Aaptos
 - Aaptos [ACCEPTED GENUS 2296:LH2 nidx=null]
 + Aaptos Gray, 1867 [ACCEPTED GENUS 2298:84KLV nidx=null]
Abarenicola
 - Abarenicola [ACCEPTED GENUS 2296:LJX nidx=null]
 + Abarenicola Wells, 1959 [ACCEPTED GENUS 2298:84KLX nidx=null]
Abderos
 - Abderos [ACCEPTED GENUS 2296:LLB nidx=null]
 + Abderos Schüller & Jirkov, 2013 [ACCEPTED GENUS 2298:84KLZ nidx=null]
Abditacythere
 - Abditacythere [ACCEPTED GENUS 2296:627WC nidx=null]
 + Abditacythere Hartmann, 1964 [ACCEPTED GENUS 2298:84KM2 nidx=null]
Aberranta
 - Aberranta [ACCEPTED GENUS 2296:LMF nidx=null]
 + Aberranta Hartman, 1965 [ACCEPTED GENUS 2298:84KM7 nidx=null]
Aberrantidae
 - Aberrantidae [ACCEPTED FAMILY 2296:622PF nidx=null]
 + Aberrantidae Wolf, 1987 [ACCEPTED FAMILY 2298:84JSS nidx=null]
Aberrantidrilus
 - Aberrantidrilus [ACCEPTED GENUS 2296:LMG nidx=null]
 + Aberrantidrilus Martin, 2015 [ACCEPTED GENUS 2298:84KM8 nidx=null]
Abrocythereis
 - Abrocythereis [ACCEPTED GENUS 2296:LRB nidx=null]
 + Abrocythereis Gou in Gou, Zheng & Huang, 1983 [ACCEPTED GENUS 2298:84KMB nidx=null]
Abrotanais
 - Abrotanais [ACCEPTED GENUS 2296:LS2 nidx=null]
 + Abrotanais Gellert & Błażewicz, 2018 [ACCEPTED GENUS 2298:84KMC nidx=null]
Abyssarya
 - Abyssarya [ACCEPTED GENUS 2296:LTK nidx=null]
 + Abyssarya Bonifácio & Menot, 2018 [ACCEPTED GENUS 2298:84KMG nidx=null]
Abyssidrilus
 - Abyssidrilus [ACCEPTED GENUS 2296:LTQ nidx=null]
 + Abyssidrilus Erséus, 1992 [ACCEPTED GENUS 2298:84KMH nidx=null]
Abyssobythere
 - Abyssobythere [ACCEPTED GENUS 2296:LTW nidx=null]
 + Abyssobythere Ayress & Whatley, 1989 [ACCEPTED GENUS 2298:84KMJ nidx=null]
Abyssocapitella
 - Abyssocapitella [ACCEPTED GENUS 2296:LTX nidx=null]
 + Abyssocapitella Buzhinskaja & Smirnov, 2000 [ACCEPTED GENUS 2298:84KMK nidx=null]
Abyssocladia
 - Abyssocladia [ACCEPTED GENUS 2296:LTZ nidx=null]
 + Abyssocladia Lévi, 1964 [ACCEPTED GENUS 2298:84KML nidx=null]
Abyssoclymene
 - Abyssoclymene [ACCEPTED GENUS 2296:627XR nidx=null]
 + Abyssoclymene Hartman, 1967 [ACCEPTED GENUS 2298:84KMM nidx=null]
Abyssocypris
 - Abyssocypris [ACCEPTED GENUS 2296:627Y4 nidx=null]
 + Abyssocypris Bold, 1974 [ACCEPTED GENUS 2298:84KMN nidx=null]
Abyssocythere
 - Abyssocythere [ACCEPTED GENUS 2296:6289S nidx=null]
 + Abyssocythere Benson, 1971 [ACCEPTED GENUS 2298:84KMP nidx=null]
Abyssocythereis
 - Abyssocythereis [ACCEPTED GENUS 2296:627XT nidx=null]
 + Abyssocythereis Schornikov, 1975 [ACCEPTED GENUS 2298:84KMQ nidx=null]
Abyssonemertes
 - Abyssonemertes [ACCEPTED GENUS 2296:627XW nidx=null]
 + Abyssonemertes Chernyshev & Polyakova, 2017 [ACCEPTED GENUS 2298:84KMR nidx=null]
Abyssoninoe
 - Abyssoninoe [ACCEPTED GENUS 2296:627Y8 nidx=null]
 + Abyssoninoe Orensanz, 1990 [ACCEPTED GENUS 2298:84KMS nidx=null]
Abyssophilos
 - Abyssophilos [ACCEPTED GENUS 2296:6289X nidx=null]
 + Abyssophilos Jellinek & Swanson, 2003 [ACCEPTED GENUS 2298:84KMT nidx=null]
Abyssoprimnoa
 - Abyssoprimnoa [ACCEPTED GENUS 2296:6289Y nidx=null]
 + Abyssoprimnoa Cairns, 2015 [ACCEPTED GENUS 2298:84KMV nidx=null]
Acaena philippii
 - Acaena philippii Gand. [SYNONYM SPECIES 2296:8QGY nidx=null parent=8QFX]
 + Acaena philippii Gand. [SYNONYM SPECIES 2298:84T4B nidx=null parent=8QFX]
Acalle
 - Acalle [ACCEPTED GENUS 2296:627XJ nidx=null]
 + Acalle Gray, 1867 [ACCEPTED GENUS 2298:84KMW nidx=null]
Acallocheirus
 - Acallocheirus [ACCEPTED GENUS 2296:LWJ nidx=null]
 + Acallocheirus Bird & Bamber, 2013 [ACCEPTED GENUS 2298:84KMX nidx=null]
Acanella
 - Acanella [ACCEPTED GENUS 2296:6289L nidx=null]
 + Acanella Gray, 1870 [ACCEPTED GENUS 2298:84KMY nidx=null]
Acanthacis
 - Acanthacis [ACCEPTED GENUS 2296:LY5 nidx=null]
 + Acanthacis Deichmann, 1936 [ACCEPTED GENUS 2298:84KMZ nidx=null]
Acanthancora
 - Acanthancora [ACCEPTED GENUS 2296:LYP nidx=null]
 + Acanthancora Topsent, 1927 [ACCEPTED GENUS 2298:84KN2 nidx=null]
Acanthapseudes
 - Acanthapseudes [ACCEPTED GENUS 2296:LYV nidx=null]
 + Acanthapseudes Roman, 1976 [ACCEPTED GENUS 2298:84KN3 nidx=null]
Acanthascus
 - Acanthascus [ACCEPTED GENUS 2296:LZ7 nidx=null]
 + Acanthascus Schulze, 1886 [ACCEPTED GENUS 2298:84KN4 nidx=null]
Acanthastrea
 - Acanthastrea [ACCEPTED GENUS 2296:LZD nidx=null]
 + Acanthastrea Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84KN5 nidx=null]
Acanthella
 - Acanthella [ACCEPTED GENUS 2296:LZF nidx=null]
 + Acanthella Schmidt, 1862 [ACCEPTED GENUS 2298:84KN6 nidx=null]
Acanthella inflexa
 - Acanthella inflexa (Pulitzer-Finali, 1982) [ACCEPTED SPECIES 2296:8TGY nidx=null]
 + Acanthella inflexa (Pulitzer-Finali, 1982) [SYNONYM SPECIES 2298:84T4H nidx=null parent=539LM]
Acantheurypon
 - Acantheurypon [ACCEPTED GENUS 2296:LZS nidx=null]
 + Acantheurypon Topsent, 1927 [ACCEPTED GENUS 2298:84KN7 nidx=null]
Acanthicolepis
 - Acanthicolepis [ACCEPTED GENUS 2296:LZW nidx=null]
 + Acanthicolepis McIntosh, 1900 [ACCEPTED GENUS 2298:84KN8 nidx=null]
Acanthoaxiidae
 - Acanthoaxiidae [ACCEPTED FAMILY 2296:62334 nidx=null]
 + Acanthoaxiidae van Ofwegen & McFadden, 2010 [ACCEPTED FAMILY 2298:84JZ7 nidx=null]
Acanthoaxis
 - Acanthoaxis [ACCEPTED GENUS 2296:M2T nidx=null]
 + Acanthoaxis van Ofwegen & McFadden, 2010 [ACCEPTED GENUS 2298:84KN9 nidx=null]
Acanthobonellia
 - Acanthobonellia [ACCEPTED GENUS 2296:M36 nidx=null]
 + Acanthobonellia Fisher, 1948 [ACCEPTED GENUS 2298:84KNB nidx=null]
Acanthochaetetes
 - Acanthochaetetes [ACCEPTED GENUS 2296:M4F nidx=null]
 + Acanthochaetetes Fischer, 1970 [ACCEPTED GENUS 2298:84KND nidx=null]
Acanthochaetetidae
 - Acanthochaetetidae [ACCEPTED FAMILY 2296:6232T nidx=null]
 + Acanthochaetetidae Fischer, 1970 [ACCEPTED FAMILY 2298:84JST nidx=null]
Acanthoclada
 - Acanthoclada [ACCEPTED GENUS 2296:M4X nidx=null]
 + Acanthoclada Bergquist, 1970 [ACCEPTED GENUS 2298:84KNF nidx=null]
Acanthodendrilla
 - Acanthodendrilla [ACCEPTED GENUS 2296:M6G nidx=null]
 + Acanthodendrilla Bergquist, 1995 [ACCEPTED GENUS 2298:84KNJ nidx=null]
Acanthodesmia
 - Acanthodesmia [ACCEPTED GENUS 2296:M6N nidx=null]
 + Acanthodesmia Müller, 1857 [ACCEPTED GENUS 2298:84KNK nidx=null]
Acanthodrilidae
 - Acanthodrilidae [ACCEPTED FAMILY 2296:5V8 nidx=null]
 + Acanthodrilidae Claus, 1880 [ACCEPTED FAMILY 2298:84JSV nidx=null]
Acanthodrilus
 - Acanthodrilus [ACCEPTED GENUS 2296:M77 nidx=null]
 + Acanthodrilus Perrier, 1872 [ACCEPTED GENUS 2298:84KNL nidx=null]
Acanthogorgia
 - Acanthogorgia [ACCEPTED GENUS 2296:M7V nidx=null]
 + Acanthogorgia Gray, 1857 [ACCEPTED GENUS 2298:84KNM nidx=null]
Acanthogorgiidae
 - Acanthogorgiidae [ACCEPTED FAMILY 2296:5VC nidx=null]
 + Acanthogorgiidae Gray, 1859 [ACCEPTED FAMILY 2298:84JSW nidx=null]
Acanthohamingia
 - Acanthohamingia [ACCEPTED GENUS 2296:M85 nidx=null]
 + Acanthohamingia Ikeda, 1910 [ACCEPTED GENUS 2298:84KNN nidx=null]
Acanthoisis
 - Acanthoisis [ACCEPTED GENUS 2296:M8B nidx=null]
 + Acanthoisis Studer, 1887 [ACCEPTED GENUS 2298:84KNP nidx=null]
Acanthomuricea
 - Acanthomuricea [ACCEPTED GENUS 2296:M9P nidx=null]
 + Acanthomuricea Hentschel, 1903 [ACCEPTED GENUS 2298:84KNR nidx=null]
Acanthopale
 - Acanthopale [ACCEPTED GENUS 2296:627P3 nidx=null]
 + Acanthopale San Martín, 1986 [ACCEPTED GENUS 2298:84KNS nidx=null]
Acanthophyllia
 - Acanthophyllia [ACCEPTED GENUS 2296:MBP nidx=null]
 + Acanthophyllia Wells, 1937 [ACCEPTED GENUS 2298:84KNV nidx=null]
Acanthopolymastia
 - Acanthopolymastia [ACCEPTED GENUS 2296:MC3 nidx=null]
 + Acanthopolymastia Kelly-Borges & Bergquist, 1997 [ACCEPTED GENUS 2298:84KNW nidx=null]
Acanthopriapulus
 - Acanthopriapulus [ACCEPTED GENUS 2296:MC8 nidx=null]
 + Acanthopriapulus van der Land, 1970 [ACCEPTED GENUS 2298:84KNX nidx=null]
Acanthoprimnoa
 - Acanthoprimnoa [ACCEPTED GENUS 2296:MC9 nidx=null]
 + Acanthoprimnoa Cairns & Bayer, 2004 [ACCEPTED GENUS 2298:84KNY nidx=null]
Acanthoptilum
 - Acanthoptilum [ACCEPTED GENUS 2296:MCQ nidx=null]
 + Acanthoptilum Kölliker, 1870 [ACCEPTED GENUS 2298:84KNZ nidx=null]
Acanthorhabdus
 - Acanthorhabdus [ACCEPTED GENUS 2296:MD4 nidx=null]
 + Acanthorhabdus Burton, 1929 [ACCEPTED GENUS 2298:84KP3 nidx=null]
Acanthostrongylophora
 - Acanthostrongylophora [ACCEPTED GENUS 2296:627QF nidx=null]
 + Acanthostrongylophora Hooper, 1984 [ACCEPTED GENUS 2298:84KP5 nidx=null]
Acanthostylotella
 - Acanthostylotella [ACCEPTED GENUS 2296:627QG nidx=null]
 + Acanthostylotella Burton & Rao, 1932 [ACCEPTED GENUS 2298:84KP6 nidx=null]
Acanthotetilla
 - Acanthotetilla [ACCEPTED GENUS 2296:6282J nidx=null]
 + Acanthotetilla Burton, 1959 [ACCEPTED GENUS 2298:84KP7 nidx=null]
Acanthotriaena
 - Acanthotriaena [ACCEPTED GENUS 2296:MFF nidx=null]
 + Acanthotriaena Vacelet, Vasseur & Lévi, 1976 [ACCEPTED GENUS 2298:84KP8 nidx=null]
Acanthotylotra
 - Acanthotylotra [ACCEPTED GENUS 2296:MFR nidx=null]
 + Acanthotylotra Volkmer-Ribeiro, Tavares & Fürstenau-Oliveira, 2009 [ACCEPTED GENUS 2298:84KP9 nidx=null]
Acarnidae
 - Acarnidae [ACCEPTED FAMILY 2296:5VS nidx=null]
 + Acarnidae Dendy, 1922 [ACCEPTED FAMILY 2298:84JSX nidx=null]
Acarnus
 - Acarnus [ACCEPTED GENUS 2296:MGX nidx=null]
 + Acarnus Gray, 1867 [ACCEPTED GENUS 2298:84KPC nidx=null]
Acerocnema pokornyi
 - Acerocnema pokornyi Becker, 1894 [SYNONYM SPECIES 2296:64FMJ nidx=null parent=94Z8]
 + Acerocnema pokornyi Becker, 1894 [SYNONYM SPECIES 2298:84T6B nidx=null parent=94Z8]
Acerrotrupa
 - Acerrotrupa [ACCEPTED GENUS 2296:MMP nidx=null]
 + Acerrotrupa Yu & Wang, 1981 [ACCEPTED GENUS 2298:84KPL nidx=null]
Acetabulastoma
 - Acetabulastoma [ACCEPTED GENUS 2296:MN9 nidx=null]
 + Acetabulastoma Schornikov, 1970 [ACCEPTED GENUS 2298:84KPM nidx=null]
Achaeta
 - Achaeta [ACCEPTED GENUS 2296:MNY nidx=null]
 + Achaeta Vejdovský, 1878 [ACCEPTED GENUS 2298:84KPN nidx=null]
Achaetobonellia
 - Achaetobonellia [ACCEPTED GENUS 2296:MP2 nidx=null]
 + Achaetobonellia Fisher, 1953 [ACCEPTED GENUS 2298:84KPP nidx=null]
Achelia
 - Achelia [ACCEPTED GENUS 2296:MQ5 nidx=null]
 + Achelia Hodge, 1864 [ACCEPTED GENUS 2298:84KPQ nidx=null]
Acheliana
 - Acheliana [ACCEPTED GENUS 2296:MQ6 nidx=null]
 + Acheliana Arnaud, 1971 [ACCEPTED GENUS 2298:84KPR nidx=null]
Acheliderma
 - Acheliderma [ACCEPTED GENUS 2296:MQ8 nidx=null]
 + Acheliderma Topsent, 1892 [ACCEPTED GENUS 2298:84KPS nidx=null]
Achimenes urticiifolia
 - Achimenes urticiifolia Poepp. & Endl. [SYNONYM SPECIES 2296:64H66 nidx=null parent=35FGQ]
 + Achimenes urticiifolia Poepp. & Endl. [SYNONYM SPECIES 2298:84T6F nidx=null parent=35FGQ]
Acholoe
 - Acholoe [ACCEPTED GENUS 2296:MSV nidx=null]
 + Acholoe Claparède, 1870 [ACCEPTED GENUS 2298:84KQ3 nidx=null]
Achoronemertes
 - Achoronemertes [ACCEPTED GENUS 2296:MTB nidx=null]
 + Achoronemertes Crandall & Gibson, 1998 [ACCEPTED GENUS 2298:84KQ6 nidx=null]
Achorutes longisetus
 - Achorutes longisetus Caroli, 1910 [SYNONYM SPECIES 2296:98H5 nidx=null parent=3SJ8D]
 + Achorutes longisetus Caroli, 1910 [SYNONYM SPECIES 2298:84T6G nidx=null parent=3SJ8D]
Achramorpha
 - Achramorpha [ACCEPTED GENUS 2296:MTR nidx=null]
 + Achramorpha Jenkin, 1908 [ACCEPTED GENUS 2298:84KPW nidx=null]
Achramorphidae
 - Achramorphidae [ACCEPTED FAMILY 2296:5X8 nidx=null]
 + Achramorphidae Borojevic, Boury-Esnault, Manuel & Vacelet, 2002 [ACCEPTED FAMILY 2298:84JSY nidx=null]
Aciculites
 - Aciculites [ACCEPTED GENUS 2296:MVP nidx=null]
 + Aciculites Schmidt, 1879 [ACCEPTED GENUS 2298:84KPX nidx=null]
Aciculomarphysa
 - Aciculomarphysa [ACCEPTED GENUS 2296:MVS nidx=null]
 + Aciculomarphysa Hartmann-Schröder in Hartmann-Schröder & Zibrowius, 1998 [ACCEPTED GENUS 2298:84KQL nidx=null]
Acinoproskelos
 - Acinoproskelos [ACCEPTED GENUS 2296:MYL nidx=null]
 + Acinoproskelos Bamber & Błażewicz-Paszkowycz, 2013 [ACCEPTED GENUS 2298:84KQS nidx=null]
Aclymene
 - Aclymene [ACCEPTED GENUS 2296:N2H nidx=null]
 + Aclymene Buzhinskaja, 1995 [ACCEPTED GENUS 2298:84KQV nidx=null]
Acoelocalyx
 - Acoelocalyx [ACCEPTED GENUS 2296:N47 nidx=null]
 + Acoelocalyx Topsent, 1910 [ACCEPTED GENUS 2298:84KQ4 nidx=null]
Acoetes
 - Acoetes [ACCEPTED GENUS 2296:N4D nidx=null]
 + Acoetes Audouin & Milne Edwards, 1832 [ACCEPTED GENUS 2298:84KQ5 nidx=null]
Acoetidae
 - Acoetidae [ACCEPTED FAMILY 2296:622R8 nidx=null]
 + Acoetidae Kinberg, 1856 [ACCEPTED FAMILY 2298:84JSZ nidx=null]
Aconitum delphinifolium var. paradoxum
 - Aconitum delphinifolium var. paradoxum (Rchb.) Jurtzev [SYNONYM VARIETY 2296:5LYJ2 nidx=null parent=5FDHF]
 + Aconitum delphinifolium var. paradoxum (Rchb.) Jurtzev [SYNONYM VARIETY 2298:84KVQ nidx=null parent=5FDHF]
Acritagasyllis
 - Acritagasyllis [ACCEPTED GENUS 2296:6284Q nidx=null]
 + Acritagasyllis Lucas, San Martín & Sikorski, 2010 [ACCEPTED GENUS 2298:84KQX nidx=null]
Acritoscincus platynotum
 - Acritoscincus platynotum Wells & Wellington, 1985 [SYNONYM SPECIES 2296:9KN7 nidx=null parent=5WF64]
 + Acritoscincus platynotum Wells & Wellington, 1985 [SYNONYM SPECIES 2298:84T6M nidx=null parent=5WF64]
Acritoscincus trilineatus
 - Acritoscincus trilineatus Wilson & Swan, 2010 [SYNONYM SPECIES 2296:64M5S nidx=null parent=KVGB]
 + Acritoscincus trilineatus Wilson & Swan, 2010 [SYNONYM SPECIES 2298:84T6N nidx=null parent=KVGB]
Acrocirridae
 - Acrocirridae [ACCEPTED FAMILY 2296:5YJ nidx=null]
 + Acrocirridae Banse, 1969 [ACCEPTED FAMILY 2298:84JT2 nidx=null]
Acrocirrus
 - Acrocirrus [ACCEPTED GENUS 2296:NCS nidx=null]
 + Acrocirrus Grube, 1873 [ACCEPTED GENUS 2298:84KQ7 nidx=null]
Acromegalomma
 - Acromegalomma [ACCEPTED GENUS 2296:627TQ nidx=null]
 + Acromegalomma Gil & Nishi, 2017 [ACCEPTED GENUS 2298:84KR2 nidx=null]
Acromitoides
 - Acromitoides [ACCEPTED GENUS 2296:NFG nidx=null]
 + Acromitoides Stiasny, 1921 [ACCEPTED GENUS 2298:84KQ8 nidx=null]
Acromitus
 - Acromitus [ACCEPTED GENUS 2296:NFH nidx=null]
 + Acromitus Light, 1914 [ACCEPTED GENUS 2298:84KQ9 nidx=null]
Acromitus flagellatus
 - Acromitus flagellatus (Haeckel) [ACCEPTED SPECIES 2296:9N6S nidx=null]
 + Acromitus flagellatus (Maas, 1903) [ACCEPTED SPECIES 2298:84M7M nidx=null]
Acromitus hardenbergi
 - Acromitus hardenbergi Stiasny, 1934 [SYNONYM SPECIES 2296:9N6T nidx=null parent=64NFB]
 + Acromitus hardenbergi Stiasny, 1934 [ACCEPTED SPECIES 2298:84M7P nidx=null]
Acrophytidae
 - Acrophytidae [ACCEPTED FAMILY 2296:5YP nidx=null]
 + Acrophytidae McFadden & van Ofwegen, 2017 [ACCEPTED FAMILY 2298:84JZD nidx=null]
Acrophytum
 - Acrophytum [ACCEPTED GENUS 2296:NGP nidx=null]
 + Acrophytum Hickson, 1900 [ACCEPTED GENUS 2298:84KR3 nidx=null]
Acropora
 - Acropora [ACCEPTED GENUS 2296:NGX nidx=null]
 + Acropora Oken, 1815 [ACCEPTED GENUS 2298:84KQB nidx=null]
Acroporidae
 - Acroporidae [ACCEPTED FAMILY 2296:5YS nidx=null]
 + Acroporidae Verrill, 1901 [ACCEPTED FAMILY 2298:84JT3 nidx=null]
Acrosmiliidae
 - Acrosmiliidae [ACCEPTED FAMILY 2296:5YW nidx=null]
 + Acrosmiliidae Alloiteau, 1952 [ACCEPTED FAMILY 2298:84JZF nidx=null]
Acrossota
 - Acrossota [ACCEPTED GENUS 2296:NJJ nidx=null]
 + Acrossota Bourne, 1914 [ACCEPTED GENUS 2298:84KR4 nidx=null]
Acrossotidae
 - Acrossotidae [ACCEPTED FAMILY 2296:5YY nidx=null]
 + Acrossotidae Bourne, 1914 [ACCEPTED FAMILY 2298:84JZG nidx=null]
Acrostichum acrocarpum
 - Acrostichum acrocarpum Mart. [SYNONYM SPECIES 2296:64N6F nidx=null parent=38ZQ2]
 + Acrostichum acrocarpum Mart. [SYNONYM SPECIES 2298:84T6Q nidx=null parent=38ZQ2]
Actenos
 - Actenos [ACCEPTED GENUS 2296:NMK nidx=null]
 + Actenos Bamber, 2013 [ACCEPTED GENUS 2298:84KR5 nidx=null]
Acteonemertes
 - Acteonemertes [ACCEPTED GENUS 2296:NMP nidx=null]
 + Acteonemertes Pantin, 1961 [ACCEPTED GENUS 2298:84KR6 nidx=null]
Acteonemertidae
 - Acteonemertidae [ACCEPTED FAMILY 2296:5Z8 nidx=null]
 + Acteonemertidae Chernyshev, 2005 [ACCEPTED FAMILY 2298:84JZM nidx=null]
Actinocythereis
 - Actinocythereis [ACCEPTED GENUS 2296:NPQ nidx=null]
 + Actinocythereis Puri, 1953 [ACCEPTED GENUS 2298:84KQD nidx=null]
Actinocythereis scutigera costata
 - Actinocythereis scutigera costata Hartmann, 1978 [ACCEPTED INFRASPECIFIC_NAME 2296:7GJFW nidx=null]
 + Actinocythereis scutigera costata Hartmann, 1978 [SYNONYM SUBSPECIES 2298:852NV nidx=null parent=64PT7]
Actinoptilum
 - Actinoptilum [ACCEPTED GENUS 2296:6285B nidx=null]
 + Actinoptilum Kükenthal, 1911 [ACCEPTED GENUS 2298:84KRB nidx=null]
Actinoseta
 - Actinoseta [ACCEPTED GENUS 2296:NRT nidx=null]
 + Actinoseta Kornicker, 1958 [ACCEPTED GENUS 2298:84KQG nidx=null]
Acuminocythere
 - Acuminocythere [ACCEPTED GENUS 2296:6286Q nidx=null]
 + Acuminocythere Swain & Gilby, 1974 [ACCEPTED GENUS 2298:84KQH nidx=null]
Acutihumerus
 - Acutihumerus [ACCEPTED GENUS 2296:NVN nidx=null]
 + Acutihumerus Gutu, 2006 [ACCEPTED GENUS 2298:84KRC nidx=null]
Adelodrilus
 - Adelodrilus [ACCEPTED GENUS 2296:P2N nidx=null]
 + Adelodrilus Cook, 1969 [ACCEPTED GENUS 2298:84KQN nidx=null]
Adelogorgia
 - Adelogorgia [ACCEPTED GENUS 2296:P2T nidx=null]
 + Adelogorgia Bayer, 1958 [ACCEPTED GENUS 2298:84KQP nidx=null]
Adelta
 - Adelta [ACCEPTED GENUS 2296:P54 nidx=null]
 + Adelta Kornicker, 1975 [ACCEPTED GENUS 2298:84KRD nidx=null]
Adenodrilus
 - Adenodrilus [ACCEPTED GENUS 2296:P6G nidx=null]
 + Adenodrilus Čekanovskaya, 1959 [ACCEPTED GENUS 2298:84KQR nidx=null]
Adenorhagas
 - Adenorhagas [ACCEPTED GENUS 2296:P7L nidx=null]
 + Adenorhagas Riser, 1990 [ACCEPTED GENUS 2298:84KRG nidx=null]
Adercodon
 - Adercodon [ACCEPTED GENUS 2296:P85 nidx=null]
 + Adercodon Mackie, 1994 [ACCEPTED GENUS 2298:84KRH nidx=null]
Admetella
 - Admetella [ACCEPTED GENUS 2296:PBP nidx=null]
 + Admetella McIntosh, 1885 [ACCEPTED GENUS 2298:84KRJ nidx=null]
Adocia digitata
 - Adocia digitata (Baer, 1906) [SYNONYM SPECIES 2296:654GZ nidx=null parent=3JCHV]
 + Adocia digitata (Baer, 1906) [SYNONYM SPECIES 2298:84T7B nidx=null parent=85SVZ]
Adocia fistulosa
 - Adocia fistulosa Pulitzer-Finali, 1993 [SYNONYM SPECIES 2296:64SJ4 nidx=null parent=3JCJS]
 + Adocia fistulosa Pulitzer-Finali, 1993 [SYNONYM SPECIES 2298:84T7C nidx=null parent=85SVX]
Adocia laevis
 - Adocia laevis Griessinger, 1971 [SYNONYM SPECIES 2296:64SHX nidx=null parent=3JCBT]
 + Adocia laevis Griessinger, 1971 [SYNONYM SPECIES 2298:84T7D nidx=null parent=85SVY]
Adocia perforata
 - Adocia perforata Pulitzer-Finali, 1986 [SYNONYM SPECIES 2296:654HZ nidx=null parent=3JCB9]
 + Adocia perforata Pulitzer-Finali, 1986 [SYNONYM SPECIES 2298:84T7F nidx=null parent=85SVW]
Adocia reptans
 - Adocia reptans Griessinger, 1971 [SYNONYM SPECIES 2296:64SJF nidx=null parent=3JCBY]
 + Adocia reptans Griessinger, 1971 [SYNONYM SPECIES 2298:84T7G nidx=null parent=85SW2]
Adocia varia
 - Adocia varia Sarà, 1958 [SYNONYM SPECIES 2296:64SJM nidx=null parent=6KXGL]
 + Adocia varia Sarà, 1958 [SYNONYM SPECIES 2298:84T7J nidx=null parent=85SW3]
Adreus
 - Adreus [ACCEPTED GENUS 2296:629JV nidx=null]
 + Adreus Gray, 1867 [ACCEPTED GENUS 2298:84KQT nidx=null]
Adyte
 - Adyte [ACCEPTED GENUS 2296:PFV nidx=null]
 + Adyte Saint-Joseph, 1899 [ACCEPTED GENUS 2298:84KQW nidx=null]
Aegialonemertes
 - Aegialonemertes [ACCEPTED GENUS 2296:629KT nidx=null]
 + Aegialonemertes Gibson, 1990 [ACCEPTED GENUS 2298:84KRL nidx=null]
Aenigmanemertes
 - Aenigmanemertes [ACCEPTED GENUS 2296:PND nidx=null]
 + Aenigmanemertes Sundberg & Gibson, 1995 [ACCEPTED GENUS 2298:84KRM nidx=null]
Aenigmocythere
 - Aenigmocythere [ACCEPTED GENUS 2296:PP3 nidx=null]
 + Aenigmocythere Bonaduce, Masoli & Pugliese, 1976 [ACCEPTED GENUS 2298:84KRN nidx=null]
Aequifurcata
 - Aequifurcata [ACCEPTED SUPERFAMILY 2296:4S7 nidx=null]
 + Aequifurcata Stiasny-Wijnhoff [ACCEPTED SUPERFAMILY 2298:84JXC nidx=null]
Aetheolineus
 - Aetheolineus [ACCEPTED GENUS 2296:629N3 nidx=null]
 + Aetheolineus Senz, 1993 [ACCEPTED GENUS 2298:84KRP nidx=null]
Aetheorhynchus
 - Aetheorhynchus [ACCEPTED GENUS 2296:629N6 nidx=null]
 + Aetheorhynchus Gibson, 1981 [ACCEPTED GENUS 2298:84KRQ nidx=null]
Aethusa tenuifolium
 - Aethusa tenuifolium Salisb. [SYNONYM SPECIES 2296:65DXM nidx=null parent=42KK4]
 + Aethusa tenuifolium Salisb. [SYNONYM SPECIES 2298:84T7X nidx=null parent=42KK4]
Afghanistina
 - Afghanistina [ACCEPTED GENUS 2296:PY7 nidx=null]
 + Afghanistina Hu & Tao, 2008 [ACCEPTED GENUS 2298:84KRS nidx=null]
Africana
 - Africana [ACCEPTED GENUS 2296:629NY nidx=null]
 + Africana Ocana & Brito, 2015 [ACCEPTED GENUS 2298:84KRV nidx=null]
Africanemertes
 - Africanemertes [ACCEPTED GENUS 2296:Q2G nidx=null]
 + Africanemertes Stiasny-Wijnhoff, 1942 [ACCEPTED GENUS 2298:84KRW nidx=null]
Afroedura langi
 - Afroedura langi 'lillie' Jacobsen, 1992 [AMBIGUOUS_SYNONYM SPECIES 2296:65FS6 nidx=null parent=65FS2]
 - Afroedura langi 'leolo' Jacobsen, 1992 [AMBIGUOUS_SYNONYM SPECIES 2296:65G43 nidx=null parent=65FRV]
 + Afroedura langi 'leolo' Jacobsen, 1992 [AMBIGUOUS_SYNONYM SPECIES 2298:84T7Y nidx=null parent=65FRV]
 + Afroedura langi 'lillie' Jacobsen, 1992 [AMBIGUOUS_SYNONYM SPECIES 2298:84T7Z nidx=null parent=65FS2]
Afronerilla
 - Afronerilla [ACCEPTED GENUS 2296:629PV nidx=null]
 + Afronerilla Faubel, 1978 [ACCEPTED GENUS 2298:84KRZ nidx=null]
Agaricia
 - Agaricia [ACCEPTED GENUS 2296:QK6 nidx=null]
 + Agaricia Lamarck, 1801 [ACCEPTED GENUS 2298:84KRT nidx=null]
Agariciidae
 - Agariciidae [ACCEPTED FAMILY 2296:64G nidx=null]
 + Agariciidae Gray, 1847 [ACCEPTED FAMILY 2298:84JT6 nidx=null]
Agaricoides
 - Agaricoides [ACCEPTED GENUS 2296:QKC nidx=null]
 + Agaricoides Simpson, 1905 [ACCEPTED GENUS 2298:84KS5 nidx=null]
Agathotanaidae
 - Agathotanaidae [ACCEPTED FAMILY 2296:64M nidx=null]
 + Agathotanaidae Lang, 1971 [ACCEPTED FAMILY 2298:84JT7 nidx=null]
Agathotanais
 - Agathotanais [ACCEPTED GENUS 2296:QMJ nidx=null]
 + Agathotanais Hansen, 1913 [ACCEPTED GENUS 2298:84KS2 nidx=null]
Agelas
 - Agelas [ACCEPTED GENUS 2296:629CW nidx=null]
 + Agelas Duchassaing & Michelotti, 1864 [ACCEPTED GENUS 2298:84KS3 nidx=null]
Agelas mauritiana var. oxeata
 - Agelas mauritiana var. oxeata Lévi, 1961 [ACCEPTED VARIETY 2296:7KX3Q nidx=null]
 + Agelas mauritiana var. oxeata Lévi, 1961 [SYNONYM VARIETY 2298:852S2 nidx=null parent=858F5]
Agelasida
 - Agelasida [ACCEPTED ORDER 2296:62285 nidx=null]
 + Agelasida Hartman, 1980 [ACCEPTED ORDER 2298:84JPD nidx=null]
Agelasidae
 - Agelasidae [ACCEPTED FAMILY 2296:64P nidx=null]
 + Agelasidae Verrill, 1907 [ACCEPTED FAMILY 2298:84JT8 nidx=null]
Agkistrodon blomhoffii
 - Agkistrodon blomhoffii Schneeweiss, 1989 [SYNONYM SPECIES 2296:65RLC nidx=null parent=6KLBS]
 + Agkistrodon blomhoffii Schneeweiss, 1989 [SYNONYM SPECIES 2298:84T8S nidx=null parent=6KLBS]
Aglaiella
 - Aglaiella [ACCEPTED GENUS 2296:QQS nidx=null]
 + Aglaiella Daday, 1910 [ACCEPTED GENUS 2298:84KS8 nidx=null]
Aglaiocypris
 - Aglaiocypris [ACCEPTED GENUS 2296:629DC nidx=null]
 + Aglaiocypris Sylvester-Bradley, 1947 [ACCEPTED GENUS 2298:84KS7 nidx=null]
Aglaophamus
 - Aglaophamus [ACCEPTED GENUS 2296:QRK nidx=null]
 + Aglaophamus Kinberg, 1866 [ACCEPTED GENUS 2298:84KS9 nidx=null]
Aglaophamus neotenus
 - Aglaophamus neotenus Noyes, 1980 [SYNONYM SPECIES 2296:65RF8 nidx=null parent=LVLJ]
 + Aglaophamus neotenus Noyes, 1980 [SYNONYM SPECIES 2298:84T6L nidx=null parent=84Z6Z]
Aglaophamus ornatus
 - Aglaophamus ornatus Hartman, 1967 [ACCEPTED SPECIES 2296:5TRFB nidx=null]
 + Aglaophamus ornatus [ACCEPTED SPECIES 2298:84T8W nidx=null]
 + Aglaophamus ornatus Hartman, 1967 [SYNONYM SPECIES 2298:84T8X nidx=null parent=65RGK]
Aglaoprimnoa
 - Aglaoprimnoa [ACCEPTED GENUS 2296:QRP nidx=null]
 + Aglaoprimnoa Bayer, 1996 [ACCEPTED GENUS 2298:84KSB nidx=null]
Agrenocythere
 - Agrenocythere [ACCEPTED GENUS 2296:QX4 nidx=null]
 + Agrenocythere Benson, 1972 [ACCEPTED GENUS 2298:84KSD nidx=null]
Agriodrilus
 - Agriodrilus [ACCEPTED GENUS 2296:QY4 nidx=null]
 + Agriodrilus Michaelsen, 1905 [ACCEPTED GENUS 2298:84KSG nidx=null]
Ainigmaptilon
 - Ainigmaptilon [ACCEPTED GENUS 2296:R6S nidx=null]
 + Ainigmaptilon Dean, 1926 [ACCEPTED GENUS 2298:84KSL nidx=null]
Ainudrilus
 - Ainudrilus [ACCEPTED GENUS 2296:R6Z nidx=null]
 + Ainudrilus Finogenova, 1982 [ACCEPTED GENUS 2298:84KSM nidx=null]
Aiolochroia
 - Aiolochroia [ACCEPTED GENUS 2296:R74 nidx=null]
 + Aiolochroia Wiedenmayer, 1977 [ACCEPTED GENUS 2298:84KSJ nidx=null]
Akanthinotanais
 - Akanthinotanais [ACCEPTED GENUS 2296:R9G nidx=null]
 + Akanthinotanais Sieg, 1977 [ACCEPTED GENUS 2298:84KSQ nidx=null]
Akanthoparapseudes
 - Akanthoparapseudes [ACCEPTED GENUS 2296:R9J nidx=null]
 + Akanthoparapseudes Heard & Morales-Núñez, 2011 [ACCEPTED GENUS 2298:84KSR nidx=null]
Akanthophoreidae
 - Akanthophoreidae [ACCEPTED FAMILY 2296:65T nidx=null]
 + Akanthophoreidae Sieg, 1986 [ACCEPTED FAMILY 2298:84JZW nidx=null]
Akanthophoreus
 - Akanthophoreus [ACCEPTED GENUS 2296:R9K nidx=null]
 + Akanthophoreus Sieg, 1986 [ACCEPTED GENUS 2298:84KSS nidx=null]
Aktedrilus
 - Aktedrilus [ACCEPTED GENUS 2296:RBP nidx=null]
 + Aktedrilus Knöllner, 1935 [ACCEPTED GENUS 2298:84KSN nidx=null]
Alacia
 - Alacia [ACCEPTED GENUS 2296:RCD nidx=null]
 + Alacia Poulsen, 1973 [ACCEPTED GENUS 2298:84KSP nidx=null]
Alaonemertes
 - Alaonemertes [ACCEPTED GENUS 2296:629JB nidx=null]
 + Alaonemertes Stiasny-Wijnhoff, 1942 [ACCEPTED GENUS 2298:84KSW nidx=null]
Alaskagorgia
 - Alaskagorgia [ACCEPTED GENUS 2296:628YN nidx=null]
 + Alaskagorgia Sánchez & Cairns, 2004 [ACCEPTED GENUS 2298:84KSX nidx=null]
Alataconcha
 - Alataconcha [ACCEPTED GENUS 2296:RF3 nidx=null]
 + Alataconcha Whatley & Zhao (Yi-Chun) , 1988 [ACCEPTED GENUS 2298:84KSY nidx=null]
Alatahermanites
 - Alatahermanites [ACCEPTED GENUS 2296:RF4 nidx=null]
 + Alatahermanites Whatley & Titterton, 1981 [ACCEPTED GENUS 2298:84KSZ nidx=null]
Alataspora
 - Alataspora [ACCEPTED GENUS 2296:RF7 nidx=null]
 + Alataspora Schulman, Kovaleva & Dubina, 1979 [ACCEPTED GENUS 2298:84KT2 nidx=null]
Alatasporidae
 - Alatasporidae [ACCEPTED FAMILY 2296:665 nidx=null]
 + Alatasporidae Shulman, Kovaleva & Dubina, 1979 [ACCEPTED FAMILY 2298:84JZX nidx=null]
Alatotrochus
 - Alatotrochus [ACCEPTED GENUS 2296:RFM nidx=null]
 + Alatotrochus Cairns, 1994 [ACCEPTED GENUS 2298:84KSV nidx=null]
Alavatanaidae
 - Alavatanaidae [ACCEPTED FAMILY 2296:668 nidx=null]
 + Alavatanaidae Vonk & Schram, 2007 [ACCEPTED FAMILY 2298:84JZY nidx=null]
Alavatanais
 - Alavatanais [ACCEPTED GENUS 2296:RFW nidx=null]
 + Alavatanais Vonk & Schram, 2007 [ACCEPTED GENUS 2298:84KT3 nidx=null]
Alaxinus
 - Alaxinus [ACCEPTED GENUS 2296:RFY nidx=null]
 + Alaxinus Gibson, Wickham & Kuris, 1990 [ACCEPTED GENUS 2298:84KT4 nidx=null]
Alaysia
 - Alaysia [ACCEPTED GENUS 2296:RG2 nidx=null]
 + Alaysia Southward, 1991 [ACCEPTED GENUS 2298:84KT5 nidx=null]
Albanemertes
 - Albanemertes [ACCEPTED GENUS 2296:RG4 nidx=null]
 + Albanemertes Senz, 1993 [ACCEPTED GENUS 2298:84KT6 nidx=null]
Albanidrilus
 - Albanidrilus [ACCEPTED GENUS 2296:RG5 nidx=null]
 + Albanidrilus Erséus, 1992 [ACCEPTED GENUS 2298:84KT7 nidx=null]
Albertaprion
 - Albertaprion [ACCEPTED GENUS 2296:RH4 nidx=null]
 + Albertaprion Jansonius & Craig, 1974 [ACCEPTED GENUS 2298:84KT8 nidx=null]
Albileberis
 - Albileberis [ACCEPTED GENUS 2296:RHX nidx=null]
 + Albileberis Hou in Hou et al., 1982 [ACCEPTED GENUS 2298:84KT9 nidx=null]
Alciopa
 - Alciopa [ACCEPTED GENUS 2296:RLM nidx=null]
 + Alciopa Audouin & Milne Edwards, 1833 [ACCEPTED GENUS 2298:84KTC nidx=null]
Alciopina
 - Alciopina [ACCEPTED GENUS 2296:RLN nidx=null]
 + Alciopina Claparède & Panceri, 1867 [ACCEPTED GENUS 2298:84KTD nidx=null]
Alcyonacea
 - Alcyonacea [ACCEPTED ORDER 2296:NJ nidx=null]
 + Alcyonacea Lamouroux, 1812 [ACCEPTED ORDER 2298:84JPF nidx=null]
Alcyoniidae
 - Alcyoniidae [ACCEPTED FAMILY 2296:66L nidx=null]
 + Alcyoniidae Lamouroux, 1812 [ACCEPTED FAMILY 2298:84JT9 nidx=null]
Alcyonium
 - Alcyonium [ACCEPTED GENUS 2296:RMG nidx=null]
 + Alcyonium Linnaeus, 1758 [ACCEPTED GENUS 2298:84KTF nidx=null]
Alcyonosyllis
 - Alcyonosyllis [ACCEPTED GENUS 2296:RMJ nidx=null]
 + Alcyonosyllis Glasby & Watson, 2001 [ACCEPTED GENUS 2298:84KTG nidx=null]
Aldersladum
 - Aldersladum [ACCEPTED GENUS 2296:RN2 nidx=null]
 + Aldersladum Benayahu & McFadden, 2011 [ACCEPTED GENUS 2298:84KTH nidx=null]
Alectona
 - Alectona [ACCEPTED GENUS 2296:RNW nidx=null]
 + Alectona Carter, 1879 [ACCEPTED GENUS 2298:84KTK nidx=null]
Alentia
 - Alentia [ACCEPTED GENUS 2296:RPY nidx=null]
 + Alentia Malmgren, 1865 [ACCEPTED GENUS 2298:84KTM nidx=null]
Alentiana
 - Alentiana [ACCEPTED GENUS 2296:RPZ nidx=null]
 + Alentiana Hartman, 1942 [ACCEPTED GENUS 2298:84KTN nidx=null]
Alertigorgia
 - Alertigorgia [ACCEPTED GENUS 2296:RQX nidx=null]
 + Alertigorgia Kükenthal, 1908 [ACCEPTED GENUS 2298:84KTP nidx=null]
Alexandronemertes
 - Alexandronemertes [ACCEPTED GENUS 2296:RTK nidx=null]
 + Alexandronemertes Chernyshev, 1992 [ACCEPTED GENUS 2298:84KTT nidx=null]
Alexandrovia
 - Alexandrovia [ACCEPTED GENUS 2296:RTL nidx=null]
 + Alexandrovia Hrabĕ, 1962 [ACCEPTED GENUS 2298:84KTR nidx=null]
Algonemertes
 - Algonemertes [ACCEPTED GENUS 2296:RVJ nidx=null]
 + Algonemertes Corrêa, 1954 [ACCEPTED GENUS 2298:84KTV nidx=null]
Alitta
 - Alitta [ACCEPTED GENUS 2296:RZ2 nidx=null]
 + Alitta Kinberg, 1865 [ACCEPTED GENUS 2298:84KTY nidx=null]
Alkmaria
 - Alkmaria [ACCEPTED GENUS 2296:RZQ nidx=null]
 + Alkmaria Horst, 1919 [ACCEPTED GENUS 2298:84KTZ nidx=null]
Alleurythoe
 - Alleurythoe [ACCEPTED GENUS 2296:S54 nidx=null]
 + Alleurythoe Sun & Li, 2017 [ACCEPTED GENUS 2298:84KV2 nidx=null]
Allmaniella
 - Allmaniella [ACCEPTED GENUS 2296:S5X nidx=null]
 + Allmaniella McIntosh, 1885 [ACCEPTED GENUS 2298:84KV3 nidx=null]
Allocypria
 - Allocypria [ACCEPTED GENUS 2296:S9L nidx=null]
 + Allocypria Rome, 1962 [ACCEPTED GENUS 2298:84KV4 nidx=null]
Allodaposia
 - Allodaposia [ACCEPTED GENUS 2296:S9X nidx=null]
 + Allodaposia Sieg, 1986 [ACCEPTED GENUS 2298:84KV5 nidx=null]
Allodero
 - Allodero [ACCEPTED GENUS 2296:628RL nidx=null]
 + Allodero Sperber, 1948 [ACCEPTED GENUS 2298:84KV6 nidx=null]
Alloleptochelia
 - Alloleptochelia [ACCEPTED GENUS 2296:SDR nidx=null]
 + Alloleptochelia Gutu, 2016 [ACCEPTED GENUS 2298:84KV8 nidx=null]
Allolobophora
 - Allolobophora [ACCEPTED GENUS 2296:SDY nidx=null]
 + Allolobophora Eisen, 1874 [ACCEPTED GENUS 2298:84KV7 nidx=null]
Allonais
 - Allonais [ACCEPTED GENUS 2296:SFL nidx=null]
 + Allonais Sperber, 1948 [ACCEPTED GENUS 2298:84KV9 nidx=null]
Alloscleria
 - Alloscleria [ACCEPTED GENUS 2296:SKR nidx=null]
 + Alloscleria Topsent, 1927 [ACCEPTED GENUS 2298:84KVD nidx=null]
Allotanais
 - Allotanais [ACCEPTED GENUS 2296:SLS nidx=null]
 + Allotanais Shiino, 1978 [ACCEPTED GENUS 2298:84KVC nidx=null]
Allothrips nubillicauda
 - Allothrips nubillicauda Watson, 1935 [ACCEPTED SPECIES 2296:BZQQ nidx=null]
 + Allothrips nubillicauda Watson, 1935 [ACCEPTED SPECIES 2298:84MRL nidx=null]
Alluroides
 - Alluroides [ACCEPTED GENUS 2296:SPN nidx=null]
 + Alluroides Beddard, 1894 [ACCEPTED GENUS 2298:84KVF nidx=null]
Alluroididae
 - Alluroididae [ACCEPTED FAMILY 2296:67Y nidx=null]
 + Alluroididae Michaelsen, 1900 [ACCEPTED FAMILY 2298:84JTB nidx=null]
Alma
 - Alma [ACCEPTED GENUS 2296:SPX nidx=null]
 + Alma Grube, 1855 [ACCEPTED GENUS 2298:84KVG nidx=null]
Almidae
 - Almidae [ACCEPTED FAMILY 2296:682 nidx=null]
 + Almidae Duboscq, 1902 [ACCEPTED FAMILY 2298:84JTC nidx=null]
Alocopocythere
 - Alocopocythere [ACCEPTED GENUS 2296:SRQ nidx=null]
 + Alocopocythere Siddiqui, 1971 [ACCEPTED GENUS 2298:84KVX nidx=null]
Alomasoma
 - Alomasoma [ACCEPTED GENUS 2296:SSP nidx=null]
 + Alomasoma Zenkevitch, 1958 [ACCEPTED GENUS 2298:84KVH nidx=null]
Alphadrilus
 - Alphadrilus [ACCEPTED GENUS 2296:62964 nidx=null]
 + Alphadrilus Brinkhurst, 1988 [ACCEPTED GENUS 2298:84KW3 nidx=null]
Alphaleberis
 - Alphaleberis [ACCEPTED GENUS 2296:SV4 nidx=null]
 + Alphaleberis Kornicker, 1981 [ACCEPTED GENUS 2298:84KW5 nidx=null]
Alphasarsiella
 - Alphasarsiella [ACCEPTED GENUS 2296:SVS nidx=null]
 + Alphasarsiella Kornicker, 1995 [ACCEPTED GENUS 2298:84KW8 nidx=null]
Alternochelata
 - Alternochelata [ACCEPTED GENUS 2296:SYY nidx=null]
 + Alternochelata Kornicker, 1958 [ACCEPTED GENUS 2298:84KVL nidx=null]
Altmanella
 - Altmanella [ACCEPTED GENUS 2296:T2G nidx=null]
 + Altmanella Fend, 2009 [ACCEPTED GENUS 2298:84KVM nidx=null]
Altumia
 - Altumia [ACCEPTED GENUS 2296:T2X nidx=null]
 + Altumia Benayahu, McFadden & Shoham, 2017 [ACCEPTED GENUS 2298:84KX9 nidx=null]
Alveopora
 - Alveopora [ACCEPTED GENUS 2296:T47 nidx=null]
 + Alveopora Blainville, 1830 [ACCEPTED GENUS 2298:84KVP nidx=null]
Alveospongia
 - Alveospongia [ACCEPTED GENUS 2296:T49 nidx=null]
 + Alveospongia Santos, Pinheiro, Hajdu & Van Soest, 2016 [ACCEPTED GENUS 2298:84KXH nidx=null]
Alvinella
 - Alvinella [ACCEPTED GENUS 2296:T4H nidx=null]
 + Alvinella Desbruyères & Laubier, 1980 [ACCEPTED GENUS 2298:84KXK nidx=null]
Alvinellidae
 - Alvinellidae [ACCEPTED FAMILY 2296:68P nidx=null]
 + Alvinellidae Desbruyères & Laubier, 1986 [ACCEPTED FAMILY 2298:84JTD nidx=null]
Amaeana
 - Amaeana [ACCEPTED GENUS 2296:T68 nidx=null]
 + Amaeana Hartman, 1959 [ACCEPTED GENUS 2298:84KVR nidx=null]
Amage
 - Amage [ACCEPTED GENUS 2296:628TG nidx=null]
 + Amage Malmgren, 1866 [ACCEPTED GENUS 2298:84KVS nidx=null]
Amage septemdecima
 - Amage septemdecima Schüller & Jirkov, 2013 [ACCEPTED SPECIES 2296:CDCB nidx=null]
 + Amage septemdecima Schüller & Jirkov, 2013 [SYNONYM SPECIES 2298:84TB4 nidx=null parent=85DN9]
Amalosoma
 - Amalosoma [ACCEPTED GENUS 2296:T75 nidx=null]
 + Amalosoma Fisher, 1948 [ACCEPTED GENUS 2298:84KVT nidx=null]
Amaranthus ×  ozanonii
 - Amaranthus ×  ozanonii Priszter [ACCEPTED SPECIES 2296:CH7W nidx=null]
 + Amaranthus ×  ozanonii Priszter [ACCEPTED SPECIES 2298:84JPJ nidx=null]
Amastigos
 - Amastigos [ACCEPTED GENUS 2296:T9W nidx=null]
 + Amastigos Piltz, 1977 [ACCEPTED GENUS 2298:84KVW nidx=null]
Amblyosillis algefnae
 - Amblyosillis algefnae Viguier, 1886 [SYNONYM SPECIES 2296:CMSM nidx=null parent=CMW4]
 + Amblyosillis algefnae [genus misspelling of Amblyosyllis] [SYNONYM SPECIES 2298:84TC3 nidx=null parent=84TCB]
Amblyosyllis
 - Amblyosyllis [ACCEPTED GENUS 2296:THP nidx=null]
 + Amblyosyllis Grube, 1857 [ACCEPTED GENUS 2298:84KVY nidx=null]
Amblyosyllis algefnae
 - Amblyosyllis algefnae Viguier, 1886 [SYNONYM SPECIES 2296:CMVX nidx=null parent=CMW4]
 + Amblyosyllis algefnae Viguier, 1886 [SYNONYM SPECIES 2298:84TC4 nidx=null parent=84TCB]
Amblyosyllis cincinnata
 - Amblyosyllis cincinnata (Verrill, 1874) [ACCEPTED SPECIES 2296:CMVY nidx=null]
 + Amblyosyllis cincinnata (Verrill, 1874) [SYNONYM SPECIES 2298:84TC5 nidx=null parent=CMW3]
Amblyosyllis dorsigera
 - Amblyosyllis dorsigera (Claparède, 1864) [SYNONYM SPECIES 2296:CMVZ nidx=null parent=CMW4]
 + Amblyosyllis dorsigera (Claparède, 1864) [SYNONYM SPECIES 2298:84TC6 nidx=null parent=84TCF]
Amblyosyllis formosa
 - Amblyosyllis formosa (Claparède, 1863) [ACCEPTED SPECIES 2296:CMW4 nidx=null]
 + Amblyosyllis formosa [ACCEPTED SPECIES 2298:84T7P nidx=null]
 + Amblyosyllis formosa (Claparède, 1863) [SYNONYM SPECIES 2298:84T7Q nidx=null parent=84TCF]
Amblyosyllis immatura
 - Amblyosyllis immatura Langerhans, 1879 [SYNONYM SPECIES 2296:CMW6 nidx=null parent=CMW4]
 + Amblyosyllis immatura Langerhans, 1879 [SYNONYM SPECIES 2298:84TC7 nidx=null parent=84TCF]
Amblyosyllis inmatura
 - Amblyosyllis inmatura [auct. misspelling for 'immatura'] [SYNONYM SPECIES 2296:CMW8 nidx=null parent=CMW4]
 + Amblyosyllis inmatura [auct. misspelling for 'immatura'] [SYNONYM SPECIES 2298:84TC8 nidx=null parent=84TCF]
Amblyosyllis inmaturata
 - Amblyosyllis inmaturata [auct. misspelling for 'immatura'] [SYNONYM SPECIES 2296:CMW9 nidx=null parent=CMW4]
 + Amblyosyllis inmaturata [auct. misspelling for 'immatura'] [SYNONYM SPECIES 2298:84TC9 nidx=null parent=84TCF]
Amblyosyllis lineata
 - Amblyosyllis lineata Grube, 1863 [SYNONYM SPECIES 2296:65ZKT nidx=null parent=CMW4]
 + Amblyosyllis lineata Grube, 1863 [ACCEPTED SPECIES 2298:84TCB nidx=null]
Amblyosyllis nigrolineata
 - Amblyosyllis nigrolineata Okada, 1934 [SYNONYM SPECIES 2296:CMWD nidx=null parent=CMWG]
 + Amblyosyllis nigrolineata Okada, 1934 [ACCEPTED SPECIES 2298:84TCC nidx=null]
Amblyosyllis plectorhyncha
 - Amblyosyllis plectorhyncha (Marenzeller, 1874) [SYNONYM SPECIES 2296:65ZL5 nidx=null parent=CMW4]
 + Amblyosyllis plectorhyncha (Marenzeller, 1874) [ACCEPTED SPECIES 2298:84TCD nidx=null]
Amblyosyllis spectabilis
 - Amblyosyllis spectabilis (Johnston, 1865) [SYNONYM SPECIES 2296:CMWH nidx=null parent=CMW4]
 + Amblyosyllis spectabilis (Johnston in Baird, 1861) [ACCEPTED SPECIES 2298:84TCF nidx=null]
Ambocythere
 - Ambocythere [ACCEPTED GENUS 2296:TKQ nidx=null]
 + Ambocythere Bold, 1957 [ACCEPTED GENUS 2298:84KVZ nidx=null]
Amboleberis
 - Amboleberis [ACCEPTED GENUS 2296:TKW nidx=null]
 + Amboleberis Kornicker, 1981 [ACCEPTED GENUS 2298:84KW2 nidx=null]
Ambolus
 - Ambolus [ACCEPTED GENUS 2296:TKX nidx=null]
 + Ambolus Ikeya, Jellinek & Tsukagoshi, 1998 [ACCEPTED GENUS 2298:84KYS nidx=null]
Ambostracon
 - Ambostracon [ACCEPTED GENUS 2296:TLF nidx=null]
 + Ambostracon Hazel, 1962 [ACCEPTED GENUS 2298:84KW4 nidx=null]
Ambtonia
 - Ambtonia [ACCEPTED GENUS 2296:TM4 nidx=null]
 + Ambtonia Malz, 1982 [ACCEPTED GENUS 2298:84KW6 nidx=null]
Ameghinocythere
 - Ameghinocythere [ACCEPTED GENUS 2296:TMZ nidx=null]
 + Ameghinocythere Whatley, Moguilevsky, Toy, Chadwick & Ramos, 1997 [ACCEPTED GENUS 2298:84KYY nidx=null]
Americonuphis
 - Americonuphis [ACCEPTED GENUS 2296:TQ6 nidx=null]
 + Americonuphis Fauchald, 1973 [ACCEPTED GENUS 2298:84KW7 nidx=null]
Amerigodrilus
 - Amerigodrilus [ACCEPTED GENUS 2296:TQC nidx=null]
 + Amerigodrilus Holmquist, 1985 [ACCEPTED GENUS 2298:84KZ8 nidx=null]
Ammolineus
 - Ammolineus [ACCEPTED GENUS 2296:TXC nidx=null]
 + Ammolineus Senz, 2001 [ACCEPTED GENUS 2298:84KZP nidx=null]
Ammonemertes
 - Ammonemertes [ACCEPTED GENUS 2296:TXM nidx=null]
 + Ammonemertes Gibson, 1990 [ACCEPTED GENUS 2298:84KZQ nidx=null]
Ammonites callisto
 - Ammonites callisto (d'Orbigny, 1847) [SYNONYM SPECIES 2296:CTZB nidx=null parent=LMG8]
 + Ammonites callisto (d'Orbigny, 1847) [SYNONYM SPECIES 2298:84TCL nidx=null parent=84W6Q]
Ammonites tenuistriatus
 - Ammonites tenuistriatus (de Grossouvre, 1888) [AMBIGUOUS_SYNONYM SPECIES 2296:66CLC nidx=null parent=4BDHS]
 + Ammonites tenuistriatus (de Grossouvre, 1888) [AMBIGUOUS_SYNONYM SPECIES 2298:84TCM nidx=null parent=4BDHS]
Ammothea
 - Ammothea [ACCEPTED GENUS 2296:TYX nidx=null]
 + Ammothea Leach, 1814 [ACCEPTED GENUS 2298:84KW9 nidx=null]
Ammotheidae
 - Ammotheidae [ACCEPTED FAMILY 2296:622RR nidx=null]
 + Ammotheidae Dohrn, 1881 [ACCEPTED FAMILY 2298:84JTF nidx=null]
Ammothella
 - Ammothella [ACCEPTED GENUS 2296:TYY nidx=null]
 + Ammothella Verrill, 1900 [ACCEPTED GENUS 2298:84KWB nidx=null]
Ammotrypane kinbergi
 - Ammotrypane kinbergi (Hansen, 1882) [SYNONYM SPECIES 2296:66DV2 nidx=null parent=74NGV]
 + Ammotrypane kinbergi (Hansen, 1882) [SYNONYM SPECIES 2298:84TCN nidx=null parent=74NGV]
Ammotrypane longicaudata
 - Ammotrypane longicaudata Caullery, 1944 [SYNONYM SPECIES 2296:CVRD nidx=null parent=5VT2C]
 + Ammotrypane longicaudata Caullery, 1944 [SYNONYM SPECIES 2298:84TCP nidx=null parent=6SNJ7]
Ammotrypanella
 - Ammotrypanella [ACCEPTED GENUS 2296:TZF nidx=null]
 + Ammotrypanella McIntosh, 1878 [ACCEPTED GENUS 2298:84KWC nidx=null]
Amniclineus
 - Amniclineus [ACCEPTED GENUS 2296:TZW nidx=null]
 + Amniclineus Gibson & Qi, 1991 [ACCEPTED GENUS 2298:84KZZ nidx=null]
Amnicythere
 - Amnicythere [ACCEPTED GENUS 2296:TZZ nidx=null]
 + Amnicythere Devoto, 1965 [ACCEPTED GENUS 2298:84L22 nidx=null]
Amorphinopsis
 - Amorphinopsis [ACCEPTED GENUS 2296:629RW nidx=null]
 + Amorphinopsis Carter, 1887 [ACCEPTED GENUS 2298:84KWD nidx=null]
Amorphinopsis excavans var. mollis
 - Amorphinopsis excavans var. mollis Annandale, 1924 [SYNONYM VARIETY 2296:5M6X3 nidx=null parent=CX6T]
 + Amorphinopsis excavans var. mollis Annandale, 1924 [SYNONYM VARIETY 2298:852S3 nidx=null parent=CX77]
Amorphonemertes
 - Amorphonemertes [ACCEPTED GENUS 2296:629TJ nidx=null]
 + Amorphonemertes Cantell, 1998 [ACCEPTED GENUS 2298:84L25 nidx=null]
Ampharana
 - Ampharana [ACCEPTED GENUS 2296:629VB nidx=null]
 + Ampharana Hartman, 1967 [ACCEPTED GENUS 2298:84KWF nidx=null]
Ampharete
 - Ampharete [ACCEPTED GENUS 2296:629VC nidx=null]
 + Ampharete Malmgren, 1866 [ACCEPTED GENUS 2298:84KWG nidx=null]
Ampharete elongata
 - Ampharete elongata (Ehlers, 1913) [ACCEPTED SPECIES 2296:CYQB nidx=null]
 + Ampharete elongata (Ehlers, 1913) [SYNONYM SPECIES 2298:84TCV nidx=null parent=84XQP]
Ampharete grubei
 - Ampharete grubei Malmgren, 1865 [ACCEPTED SPECIES 2296:CYQK nidx=null]
 + Ampharete grubei Malmgren, 1865 [SYNONYM SPECIES 2298:84T82 nidx=null parent=66DBW]
Ampharetidae
 - Ampharetidae [ACCEPTED FAMILY 2296:62347 nidx=null]
 + Ampharetidae Malmgren, 1866 [ACCEPTED FAMILY 2298:84JTG nidx=null]
Amphiacme
 - Amphiacme [ACCEPTED GENUS 2296:629X5 nidx=null]
 + Amphiacme Kükenthal, 1903 [ACCEPTED GENUS 2298:84L2F nidx=null]
Amphiastrella
 - Amphiastrella [ACCEPTED GENUS 2296:629XL nidx=null]
 + Amphiastrella Dendy, 1896 [ACCEPTED GENUS 2298:84KWH nidx=null]
Amphibelemnon
 - Amphibelemnon [ACCEPTED GENUS 2296:629XS nidx=null]
 + Amphibelemnon López-González, Gili & Williams, 2000 [ACCEPTED GENUS 2298:84L2G nidx=null]
Amphibleptula
 - Amphibleptula [ACCEPTED GENUS 2296:629Y6 nidx=null]
 + Amphibleptula Schmidt, 1879 [ACCEPTED GENUS 2298:84KWK nidx=null]
Amphicorina
 - Amphicorina [ACCEPTED GENUS 2296:629ZV nidx=null]
 + Amphicorina Claparède, 1864 [ACCEPTED GENUS 2298:84L2K nidx=null]
Amphicteis
 - Amphicteis [ACCEPTED GENUS 2296:629ZJ nidx=null]
 + Amphicteis Grube, 1850 [ACCEPTED GENUS 2298:84KWM nidx=null]
Amphicteis nasuta
 - Amphicteis nasuta Ehlers, 1887 [SYNONYM SPECIES 2296:D27G nidx=null parent=6749X]
 + Amphicteis nasuta Ehlers, 1887 [ACCEPTED SPECIES 2298:84TCX nidx=null]
Amphictene
 - Amphictene [ACCEPTED GENUS 2296:629ZK nidx=null]
 + Amphictene Savigny, 1822 [ACCEPTED GENUS 2298:84KWN nidx=null]
Amphidiscella
 - Amphidiscella [ACCEPTED GENUS 2296:62BC2 nidx=null]
 + Amphidiscella Tabachnick & Lévi, 1997 [ACCEPTED GENUS 2298:84KWP nidx=null]
Amphidiscella atlantica
 - Amphidiscella atlantica Tabachnick & Collins, 2008 [SYNONYM SPECIES 2296:66FYS nidx=null parent=5BMZ9]
 + Amphidiscella atlantica Tabachnick & Collins, 2008 [ACCEPTED SPECIES 2298:84TCY nidx=null]
Amphidiscosida
 - Amphidiscosida [ACCEPTED ORDER 2296:P2 nidx=null]
 + Amphidiscosida Schrammen, 1924 [ACCEPTED ORDER 2298:84JPH nidx=null]
Amphiduropsis
 - Amphiduropsis [ACCEPTED GENUS 2296:62BBV nidx=null]
 + Amphiduropsis Pleijel, 2001 [ACCEPTED GENUS 2298:84L2N nidx=null]
Amphiduros
 - Amphiduros [ACCEPTED GENUS 2296:62BC7 nidx=null]
 + Amphiduros Hartman, 1959 [ACCEPTED GENUS 2298:84KWQ nidx=null]
Amphiglena
 - Amphiglena [ACCEPTED GENUS 2296:62BBH nidx=null]
 + Amphiglena Claparède, 1864 [ACCEPTED GENUS 2298:84KWR nidx=null]
Amphileberis
 - Amphileberis [ACCEPTED GENUS 2296:62BCV nidx=null]
 + Amphileberis Guan, 1978 [ACCEPTED GENUS 2298:84L2P nidx=null]
Amphilectus
 - Amphilectus [ACCEPTED GENUS 2296:62BCW nidx=null]
 + Amphilectus Vosmaer, 1880 [ACCEPTED GENUS 2298:84KWS nidx=null]
Amphilectus lobata
 - Amphilectus lobata (Montagu, 1814) [SYNONYM SPECIES 2296:D32X nidx=null parent=D32W]
 + Amphilectus lobata (Montagu, 1814) [SYNONYM SPECIES 2298:84TD3 nidx=null parent=85SN3]
Amphilectus lobatus
 - Amphilectus lobatus (Montagu, 1814) [ACCEPTED SPECIES 2296:D32W nidx=null]
 + Amphilectus lobatus (Montagu, 1814) [SYNONYM SPECIES 2298:84TD2 nidx=null parent=85SN3]
Amphimedon
 - Amphimedon [ACCEPTED GENUS 2296:62B3P nidx=null]
 + Amphimedon Duchassaing & Michelotti, 1864 [ACCEPTED GENUS 2298:84KWT nidx=null]
Amphimelissa setosa
 - Amphimelissa setosa (Cleve) Bernstein, 1934 [ACCEPTED SPECIES 2296:D3Q2 nidx=null]
 + Amphimelissa setosa (Cleve) Jørgensen, 1905 [ACCEPTED SPECIES 2298:84TDB nidx=null]
Amphinemertes
 - Amphinemertes [ACCEPTED GENUS 2296:62B3Z nidx=null]
 + Amphinemertes Coe, 1940 [ACCEPTED GENUS 2298:84KWX nidx=null]
Amphinome
 - Amphinome [ACCEPTED GENUS 2296:62B5G nidx=null]
 + Amphinome Bruguière, 1789 [ACCEPTED GENUS 2298:84KWY nidx=null]
Amphinomia
 - Amphinomia [ACCEPTED GENUS 2296:62B5H nidx=null]
 + Amphinomia Hooper, 1991 [ACCEPTED GENUS 2298:84KWZ nidx=null]
Amphinomidae
 - Amphinomidae [ACCEPTED FAMILY 2296:622RY nidx=null]
 + Amphinomidae Lamarck, 1818 [ACCEPTED FAMILY 2298:84JTJ nidx=null]
Amphipolydora
 - Amphipolydora [ACCEPTED GENUS 2296:62B5R nidx=null]
 + Amphipolydora Blake, 1983 [ACCEPTED GENUS 2298:84L2V nidx=null]
Amphiporella
 - Amphiporella [ACCEPTED GENUS 2296:62B64 nidx=null]
 + Amphiporella Friedrich, 1940 [ACCEPTED GENUS 2298:84L2W nidx=null]
Amphiporidae
 - Amphiporidae [ACCEPTED FAMILY 2296:6BH nidx=null]
 + Amphiporidae Oersted, 1844 [ACCEPTED FAMILY 2298:84JTK nidx=null]
Amphiporus
 - Amphiporus [ACCEPTED GENUS 2296:62B65 nidx=null]
 + Amphiporus Ehrenberg, 1831 [ACCEPTED GENUS 2298:84KX2 nidx=null]
Amphiporus bergendali
 - Amphiporus bergendali Gering, 1912 [SYNONYM SPECIES 2296:D4YL nidx=null parent=47H2T]
 + Amphiporus bergendali Gering, 1912 [SYNONYM SPECIES 2298:84TDC nidx=null parent=84XQW]
Amphiporus falklandicus
 - Amphiporus falklandicus Wheeler, 1934 [SYNONYM SPECIES 2296:D4ZC nidx=null parent=47H2T]
 + Amphiporus falklandicus Wheeler, 1934 [SYNONYM SPECIES 2298:84TDD nidx=null parent=84XQW]
Amphiporus pulcher
 - Amphiporus pulcher [SYNONYM SPECIES 2296:66FHW nidx=null parent=47H2T]
 + Amphiporus pulcher (Johnston, 1837) [SYNONYM SPECIES 2298:84T85 nidx=null parent=84XQW]
Amphiporus pulcher pulcher
 - Amphiporus pulcher pulcher [SYNONYM SUBSPECIES 2296:5FKLZ nidx=null parent=47H2T]
 + Amphiporus pulcher pulcher (Johnston, 1837) [SYNONYM SUBSPECIES 2298:852PY nidx=null parent=84XQW]
Amphiporus pusillus
 - Amphiporus pusillus [SYNONYM SPECIES 2296:D53H nidx=null parent=47H2T]
 + Amphiporus pusillus Punnett, 1903 [SYNONYM SPECIES 2298:84TDF nidx=null parent=84XQW]
Amphiporus rectangulus
 - Amphiporus rectangulus Strand et al., 2014 [ACCEPTED SPECIES 2296:D53L nidx=null]
 + Amphiporus rectangulus Strand, Herrera-Bachiller, Nygren & Kånneby, 2014 [SYNONYM SPECIES 2298:84TDG nidx=null parent=85TH3]
Amphiporus vittatus
 - Amphiporus vittatus [SYNONYM SPECIES 2296:D54K nidx=null parent=55SJW]
 + Amphiporus vittatus (Hubrecht, 1879) [SYNONYM SPECIES 2298:84TDH nidx=null parent=55SJW]
Amphisamytha
 - Amphisamytha [ACCEPTED GENUS 2296:62B7P nidx=null]
 + Amphisamytha Hessle, 1917 [ACCEPTED GENUS 2298:84KX3 nidx=null]
Amphitethya
 - Amphitethya [ACCEPTED GENUS 2296:62B86 nidx=null]
 + Amphitethya Lendenfeld, 1907 [ACCEPTED GENUS 2298:84KX4 nidx=null]
Amphitrite birulai
 - Amphitrite birulai Ssolowiew, 1899 [SYNONYM SPECIES 2296:66FDT nidx=null parent=4D42X]
 + Amphitrite birulai Ssolowiew, 1899 [ACCEPTED SPECIES 2298:84TDM nidx=null]
Amphitrite edwardsi
 - Amphitrite edwardsi (Quatrefages, 1866) [SYNONYM SPECIES 2296:66FDX nidx=null parent=746Z6]
 + Amphitrite edwardsi [subsequent misspelling of 'edwardsii'] [SYNONYM SPECIES 2298:84T88 nidx=null parent=746Z6]
Amphitrite edwardsii
 - Amphitrite edwardsii (Quatrefages, 1866) [ACCEPTED SPECIES 2296:66FDY nidx=null]
 + Amphitrite edwardsii (Quatrefages, 1866) [SYNONYM SPECIES 2298:84T87 nidx=null parent=746Z6]
Amphitrite grayi
 - Amphitrite grayi Malmgren, 1866 [ACCEPTED SPECIES 2296:66FDJ nidx=null]
 + Amphitrite grayi Malmgren, 1866 [SYNONYM SPECIES 2298:84T8B nidx=null parent=746YT]
Amphitritecandona
 - Amphitritecandona [ACCEPTED GENUS 2296:62B8X nidx=null]
 + Amphitritecandona Karanovic, 2007 [ACCEPTED GENUS 2298:84L2Y nidx=null]
Amphitritides
 - Amphitritides [ACCEPTED GENUS 2296:62B99 nidx=null]
 + Amphitritides Augener, 1922 [ACCEPTED GENUS 2298:84KX6 nidx=null]
Amphiute
 - Amphiute [ACCEPTED GENUS 2296:62B2B nidx=null]
 + Amphiute Hanitsch, 1894 [ACCEPTED GENUS 2298:84KX7 nidx=null]
Amphoreus
 - Amphoreus [ACCEPTED GENUS 2296:62B3G nidx=null]
 + Amphoreus Reiswig & Kelly, 2018 [ACCEPTED GENUS 2298:84L35 nidx=null]
Amphoriscidae
 - Amphoriscidae [ACCEPTED FAMILY 2296:6BX nidx=null]
 + Amphoriscidae Dendy, 1893 [ACCEPTED FAMILY 2298:84JTL nidx=null]
Amphoriscus
 - Amphoriscus [ACCEPTED GENUS 2296:62B3J nidx=null]
 + Amphoriscus Haeckel, 1870 [ACCEPTED GENUS 2298:84KX8 nidx=null]
Amplicaria
 - Amplicaria [ACCEPTED GENUS 2296:62CBN nidx=null]
 + Amplicaria Knight-Jones, 1984 [ACCEPTED GENUS 2298:84L37 nidx=null]
Amythas
 - Amythas [ACCEPTED GENUS 2296:62BWB nidx=null]
 + Amythas Benham, 1921 [ACCEPTED GENUS 2298:84KXD nidx=null]
Amythasides
 - Amythasides [ACCEPTED GENUS 2296:62C8B nidx=null]
 + Amythasides Eliason, 1955 [ACCEPTED GENUS 2298:84KXF nidx=null]
Anabarites
 - Anabarites [ACCEPTED GENUS 2296:62BWM nidx=null]
 + Anabarites Missarzhevsky, 1969 [ACCEPTED GENUS 2298:84L3B nidx=null]
Anacropora
 - Anacropora [ACCEPTED GENUS 2296:62BY3 nidx=null]
 + Anacropora Ridley, 1884 [ACCEPTED GENUS 2298:84KXG nidx=null]
Anaderma
 - Anaderma [ACCEPTED GENUS 2296:62BZM nidx=null]
 + Anaderma Lévi & Lévi, 1983 [ACCEPTED GENUS 2298:84KXJ nidx=null]
Anamixilla
 - Anamixilla [ACCEPTED GENUS 2296:V3D nidx=null]
 + Anamixilla Poléjaeff, 1883 [ACCEPTED GENUS 2298:84KXN nidx=null]
Anamobaea
 - Anamobaea [ACCEPTED GENUS 2296:V3G nidx=null]
 + Anamobaea Krøyer, 1856 [ACCEPTED GENUS 2298:84L3R nidx=null]
Anarthron
 - Anarthron [ACCEPTED GENUS 2296:V8D nidx=null]
 + Anarthron Kornicker, 1975 [ACCEPTED GENUS 2298:84L42 nidx=null]
Anarthrura
 - Anarthrura [ACCEPTED GENUS 2296:V8G nidx=null]
 + Anarthrura Sars, 1882 [ACCEPTED GENUS 2298:84KXP nidx=null]
Anarthrurella
 - Anarthrurella [ACCEPTED GENUS 2296:V8H nidx=null]
 + Anarthrurella Bird, 2004 [ACCEPTED GENUS 2298:84L43 nidx=null]
Anarthruridae
 - Anarthruridae [ACCEPTED FAMILY 2296:6D3 nidx=null]
 + Anarthruridae Lang, 1971 [ACCEPTED FAMILY 2298:84JTM nidx=null]
Anarthruropsis
 - Anarthruropsis [ACCEPTED GENUS 2296:V8J nidx=null]
 + Anarthruropsis Lang, 1968 [ACCEPTED GENUS 2298:84KXQ nidx=null]
Anatanais
 - Anatanais [ACCEPTED GENUS 2296:62BRJ nidx=null]
 + Anatanais Nordenstam, 1930 [ACCEPTED GENUS 2298:84KXS nidx=null]
Anchidorvillea
 - Anchidorvillea [ACCEPTED GENUS 2296:VF8 nidx=null]
 + Anchidorvillea Hilbig & Blake, 1991 [ACCEPTED GENUS 2298:84L4F nidx=null]
Anchinoe antarctica
 - Anchinoe antarctica (Hentschel, 1914) [SYNONYM SPECIES 2296:DKLC nidx=null parent=5PF2Y]
 + Anchinoe antarctica (Hentschel, 1914) [AMBIGUOUS_SYNONYM SPECIES 2298:84TF3 nidx=null parent=85SYC]
Anchinothria
 - Anchinothria [ACCEPTED GENUS 2296:VFJ nidx=null]
 + Anchinothria Paxton, 1986 [ACCEPTED GENUS 2298:84L4G nidx=null]
Anchistrocheles
 - Anchistrocheles [ACCEPTED GENUS 2296:VFY nidx=null]
 + Anchistrocheles Brady & Norman, 1889 [ACCEPTED GENUS 2298:84KXT nidx=null]
Anchistrocheles angulata
 - Anchistrocheles angulata (Brady, 1870) [ACCEPTED SPECIES 2296:DKPR nidx=null]
 + Anchistrocheles angulata (Brady, 1870) [SYNONYM SPECIES 2298:84TF4 nidx=null parent=7579H]
Anchistrocheles antemacella
 - Anchistrocheles antemacella Maddocks, 1969 [SYNONYM SPECIES 2296:DKPS nidx=null parent=7GCCS]
 + Anchistrocheles antemacella Maddocks, 1969 [ACCEPTED SPECIES 2298:84TF5 nidx=null]
Ancistrosyllis
 - Ancistrosyllis [ACCEPTED GENUS 2296:62C4L nidx=null]
 + Ancistrosyllis McIntosh, 1878 [ACCEPTED GENUS 2298:84KXV nidx=null]
Ancohenia
 - Ancohenia [ACCEPTED GENUS 2296:VKS nidx=null]
 + Ancohenia Kornicker, 1976 [ACCEPTED GENUS 2298:84KXW nidx=null]
Ancorella
 - Ancorella [ACCEPTED GENUS 2296:VL5 nidx=null]
 + Ancorella Lendenfeld, 1907 [ACCEPTED GENUS 2298:84KXX nidx=null]
Ancorina
 - Ancorina [ACCEPTED GENUS 2296:VL6 nidx=null]
 + Ancorina Schmidt, 1862 [ACCEPTED GENUS 2298:84KXY nidx=null]
Ancorinidae
 - Ancorinidae [ACCEPTED FAMILY 2296:6DN nidx=null]
 + Ancorinidae Schmidt, 1870 [ACCEPTED FAMILY 2298:84JTN nidx=null]
Andamanella
 - Andamanella [ACCEPTED GENUS 2296:VNT nidx=null]
 + Andamanella Holthe, 2002 [ACCEPTED GENUS 2298:84L4Q nidx=null]
Andiprion
 - Andiprion [ACCEPTED GENUS 2296:VRM nidx=null]
 + Andiprion Hints, Tonarová, Eriksson, Rubinstein & De la Puente, 2017 [ACCEPTED GENUS 2298:84L4S nidx=null]
Andresia ampullifera
 - Andresia ampullifera Prenant, 1924 [ACCEPTED SPECIES 2296:66NZY nidx=null]
 + Andresia ampullifera Prenant, 1924 [SYNONYM SPECIES 2298:84T92 nidx=null parent=3JRCS]
Andrognathia
 - Andrognathia [ACCEPTED GENUS 2296:62BRX nidx=null]
 + Andrognathia Sieg, 1983 [ACCEPTED GENUS 2298:84KY6 nidx=null]
Androtanais
 - Androtanais [ACCEPTED GENUS 2296:VVB nidx=null]
 + Androtanais Sieg, 1976 [ACCEPTED GENUS 2298:84KY7 nidx=null]
Anebocythereis
 - Anebocythereis [ACCEPTED GENUS 2296:VVW nidx=null]
 + Anebocythereis Bate, 1972 [ACCEPTED GENUS 2298:84L4W nidx=null]
Anelassorhynchus
 - Anelassorhynchus [ACCEPTED GENUS 2296:62BSM nidx=null]
 + Anelassorhynchus Annandale, 1922 [ACCEPTED GENUS 2298:84KY8 nidx=null]
Angirasu
 - Angirasu [ACCEPTED GENUS 2296:62C55 nidx=null]
 + Angirasu Hoenemann, Neiber, Schram & Koenemann in Hoenemann, Neiber, Humphreys, Iliffe, Li, Schram & Koenemann, 2013 [ACCEPTED GENUS 2298:84L5B nidx=null]
Angolacythereis
 - Angolacythereis [ACCEPTED GENUS 2296:W65 nidx=null]
 + Angolacythereis Hartmann, 1974 [ACCEPTED GENUS 2298:84L5C nidx=null]
Anguillosyllis
 - Anguillosyllis [ACCEPTED GENUS 2296:62BSV nidx=null]
 + Anguillosyllis Day, 1963 [ACCEPTED GENUS 2298:84L5D nidx=null]
Anguis cinereus
 - Anguis cinereus Risso, 1826 [SYNONYM SPECIES 2296:672GR nidx=null parent=66QGB]
 + Anguis cinereus Risso, 1826 [SYNONYM SPECIES 2298:84TFM nidx=null parent=66QGB]
Angulicytherura
 - Angulicytherura [ACCEPTED GENUS 2296:W7B nidx=null]
 + Angulicytherura Schornikov & Dolgov, 1995 [ACCEPTED GENUS 2298:84L5H nidx=null]
Angulorostrum
 - Angulorostrum [ACCEPTED GENUS 2296:W7Z nidx=null]
 + Angulorostrum Kornicker, 1981 [ACCEPTED GENUS 2298:84KYB nidx=null]
Anheteromeyenia
 - Anheteromeyenia [ACCEPTED GENUS 2296:W99 nidx=null]
 + Anheteromeyenia Schröder, 1927 [ACCEPTED GENUS 2298:84KYC nidx=null]
Anhuiella
 - Anhuiella [ACCEPTED GENUS 2296:W9H nidx=null]
 + Anhuiella Liu & Huang, 1991 [ACCEPTED GENUS 2298:84L5K nidx=null]
Anisocerasites
 - Anisocerasites [ACCEPTED GENUS 2296:WCJ nidx=null]
 + Anisocerasites Eller, 1955 [ACCEPTED GENUS 2298:84L5L nidx=null]
Anisocrella
 - Anisocrella [ACCEPTED GENUS 2296:WD4 nidx=null]
 + Anisocrella Topsent, 1927 [ACCEPTED GENUS 2298:84KYF nidx=null]
Anisopechys
 - Anisopechys [ACCEPTED GENUS 2296:WF7 nidx=null]
 + Anisopechys Bird, 2004 [ACCEPTED GENUS 2298:84L5X nidx=null]
Ankitokazoa
 - Ankitokazoa [ACCEPTED GENUS 2296:WJP nidx=null]
 + Ankitokazoa Alessandrello & Bracchi, 2005 [ACCEPTED GENUS 2298:84L68 nidx=null]
Annella
 - Annella [ACCEPTED GENUS 2296:WLG nidx=null]
 + Annella Gray, 1858 [ACCEPTED GENUS 2298:84L6B nidx=null]
Annisis
 - Annisis [ACCEPTED GENUS 2296:WM6 nidx=null]
 + Annisis Alderslade, 1998 [ACCEPTED GENUS 2298:84L6C nidx=null]
Annulastrella
 - Annulastrella [ACCEPTED GENUS 2296:WMJ nidx=null]
 + Annulastrella Maldonado, 2002 [ACCEPTED GENUS 2298:84L6D nidx=null]
Annulitubus
 - Annulitubus [ACCEPTED GENUS 2296:WMN nidx=null]
 + Annulitubus Vinn, Zabini, Sene-Silva, Kirsimae & Susan-Marcos, 2016 [ACCEPTED GENUS 2298:84L6F nidx=null]
Annulonemertes
 - Annulonemertes [ACCEPTED GENUS 2296:WMV nidx=null]
 + Annulonemertes Berg, 1985 [ACCEPTED GENUS 2298:84L6G nidx=null]
Anobothrus
 - Anobothrus [ACCEPTED GENUS 2296:62BHT nidx=null]
 + Anobothrus Levinsen, 1884 [ACCEPTED GENUS 2298:84KYJ nidx=null]
Anobothrus nasuta
 - Anobothrus nasuta (Ehlers, 1887) [ACCEPTED SPECIES 2296:6749X nidx=null]
 + Anobothrus nasuta (Ehlers, 1887) [SYNONYM SPECIES 2298:84TFS nidx=null parent=84TCX]
Anomalorbis
 - Anomalorbis [ACCEPTED GENUS 2296:WSV nidx=null]
 + Anomalorbis Vine, 1972 [ACCEPTED GENUS 2298:84KYL nidx=null]
Anomalorhiza
 - Anomalorhiza [ACCEPTED GENUS 2296:WSX nidx=null]
 + Anomalorhiza Light, 1921 [ACCEPTED GENUS 2298:84KYM nidx=null]
Anomastraea
 - Anomastraea [ACCEPTED GENUS 2296:WTH nidx=null]
 + Anomastraea Marenzeller, 1901 [ACCEPTED GENUS 2298:84L6N nidx=null]
Anomochone
 - Anomochone [ACCEPTED GENUS 2296:62BJY nidx=null]
 + Anomochone Ijima, 1927 [ACCEPTED GENUS 2298:84KYN nidx=null]
Anomocora
 - Anomocora [ACCEPTED GENUS 2296:62BKD nidx=null]
 + Anomocora Studer, 1878 [ACCEPTED GENUS 2298:84KYP nidx=null]
Anomoianthella
 - Anomoianthella [ACCEPTED GENUS 2296:WV9 nidx=null]
 + Anomoianthella Bergquist, 1980 [ACCEPTED GENUS 2298:84KYQ nidx=null]
Anoplodactylus
 - Anoplodactylus [ACCEPTED GENUS 2296:WYM nidx=null]
 + Anoplodactylus Wilson, 1878 [ACCEPTED GENUS 2298:84KYR nidx=null]
Anoplodactylus compactus
 - Anoplodactylus compactus (Hilton, 1939) [ACCEPTED SPECIES 2296:66X47 nidx=null]
 + Anoplodactylus compactus (Hilton, 1939) [SYNONYM SPECIES 2298:84T9M nidx=null parent=66X4R]
Anoplodactylus digitatus
 - Anoplodactylus digitatus Arnaud, 1974 non-Böhm, 1879 [SYNONYM SPECIES 2296:66X3S nidx=null parent=678S3]
 + Anoplodactylus digitatus Arnaud, 1974 non-Böhm, 1879 [MISAPPLIED SPECIES 2298:84T9N nidx=null parent=678S3]
Anoplodactylus maritimus
 - Anoplodactylus maritimus Hedgpeth, 1948 non-Hodgson, 1914 [SYNONYM SPECIES 2296:66WS9 nidx=null parent=6793Z]
 + Anoplodactylus maritimus Hedgpeth, 1948 non-Hodgson, 1914 [MISAPPLIED SPECIES 2298:84T9P nidx=null parent=6793Z]
Anoplodactylus pygmaeus
 - Anoplodactylus pygmaeus (Hoek, 1881) non- (Hodge, 1864) [SYNONYM SPECIES 2296:5V93J nidx=null parent=66WRC]
 + Anoplodactylus pygmaeus (Hoek, 1881) non- (Hodge, 1864) [MISAPPLIED SPECIES 2298:84T9Q nidx=null parent=66WRC]
Anoplodactylus robustus
 - Anoplodactylus robustus Hilton, 1939 non-Dohrn, 1881 [SYNONYM SPECIES 2296:5V8RG nidx=null parent=67946]
 - Anoplodactylus robustus Zilberberg, 1963 non- (Dohrn, 1881) [SYNONYM SPECIES 2296:6793J nidx=null parent=5V93X]
 + Anoplodactylus robustus Hilton, 1939 non-Dohrn, 1881 [MISAPPLIED SPECIES 2298:84T9R nidx=null parent=67946]
 + Anoplodactylus robustus Zilberberg, 1963 non- (Dohrn, 1881) [MISAPPLIED SPECIES 2298:84T9S nidx=null parent=5V93X]
Anoplopisione
 - Anoplopisione [ACCEPTED GENUS 2296:WZM nidx=null]
 + Anoplopisione Laubier, 1967 [ACCEPTED GENUS 2298:84L6S nidx=null]
Anoplosyllis
 - Anoplosyllis [ACCEPTED GENUS 2296:WZY nidx=null]
 + Anoplosyllis Claparède, 1868 [ACCEPTED GENUS 2298:84L6T nidx=null]
Anoropallene
 - Anoropallene [ACCEPTED GENUS 2296:X36 nidx=null]
 + Anoropallene Stock, 1956 [ACCEPTED GENUS 2298:84KYV nidx=null]
Anotochaetonoe
 - Anotochaetonoe [ACCEPTED GENUS 2296:62BLD nidx=null]
 + Anotochaetonoe Britayev & Martin, 2006 [ACCEPTED GENUS 2298:84L6Z nidx=null]
Anotomastus
 - Anotomastus [ACCEPTED GENUS 2296:X4D nidx=null]
 + Anotomastus Hartman, 1947 [ACCEPTED GENUS 2298:84KYW nidx=null]
Anoxycalyx
 - Anoxycalyx [ACCEPTED GENUS 2296:X4X nidx=null]
 - Anoxycalyx [ACCEPTED SUBGENUS 2296:X4Y nidx=null]
 + Anoxycalyx Kirkpatrick, 1907 [ACCEPTED GENUS 2298:84KYX nidx=null]
Anscottiella
 - Anscottiella [ACCEPTED GENUS 2296:62BKH nidx=null]
 + Anscottiella Kornicker, 1975 [ACCEPTED GENUS 2298:84L73 nidx=null]
Ansphyrapus
 - Ansphyrapus [ACCEPTED GENUS 2296:X5S nidx=null]
 + Ansphyrapus Gutu, 2001 [ACCEPTED GENUS 2298:84L79 nidx=null]
Antarcticythere
 - Antarcticythere [ACCEPTED GENUS 2296:X6X nidx=null]
 + Antarcticythere Neale, 1967 [ACCEPTED GENUS 2298:84L7D nidx=null]
Antarctiloxoconcha
 - Antarctiloxoconcha [ACCEPTED GENUS 2296:X6Y nidx=null]
 + Antarctiloxoconcha Hartmann, 1986 [ACCEPTED GENUS 2298:84L7F nidx=null]
Antarctinoe
 - Antarctinoe [ACCEPTED GENUS 2296:X6Z nidx=null]
 + Antarctinoe Barnich, Fiege, Micaletto & Gambi, 2006 [ACCEPTED GENUS 2298:84L7G nidx=null]
Antarctodrilus
 - Antarctodrilus [ACCEPTED GENUS 2296:X7B nidx=null]
 + Antarctodrilus Brinkhurst, 1965 [ACCEPTED GENUS 2298:84L7H nidx=null]
Antarctolineus
 - Antarctolineus [ACCEPTED GENUS 2296:62BKQ nidx=null]
 + Antarctolineus Müller & Scripcariu, 1964 [ACCEPTED GENUS 2298:84L7J nidx=null]
Antarctonemertes
 - Antarctonemertes [ACCEPTED GENUS 2296:X7H nidx=null]
 + Antarctonemertes Friedrich, 1955 [ACCEPTED GENUS 2298:84L7L nidx=null]
Antarctotetilla
 - Antarctotetilla [ACCEPTED GENUS 2296:X7Y nidx=null]
 + Antarctotetilla Carella, Agell, Cárdenas & Uriz, 2016 [ACCEPTED GENUS 2298:84L7Q nidx=null]
Antennaria carpatica
 - Antennaria carpatica (Wahlenb.) Bluff & Fingerh. [ACCEPTED SPECIES 2296:5V9D6 nidx=null]
 + Antennaria carpatica (Wahlenb.) Bluff & Fingerh. [ACCEPTED SPECIES 2298:84T9T nidx=null]
Anthemiphyllia
 - Anthemiphyllia [ACCEPTED GENUS 2296:62DBD nidx=null]
 + Anthemiphyllia Pourtalès, 1878 [ACCEPTED GENUS 2298:84KZ4 nidx=null]
Anthemiphylliidae
 - Anthemiphylliidae [ACCEPTED FAMILY 2296:6GW nidx=null]
 + Anthemiphylliidae Vaughan, 1907 [ACCEPTED FAMILY 2298:84JTP nidx=null]
Antho
 - Antho [ACCEPTED GENUS 2296:XCT nidx=null]
 - Antho [ACCEPTED SUBGENUS 2296:62DCL nidx=null]
 + Antho Gray, 1867 [ACCEPTED GENUS 2298:84KZ5 nidx=null]
Anthogorgia
 - Anthogorgia [ACCEPTED GENUS 2296:62DCS nidx=null]
 + Anthogorgia Verrill, 1868 [ACCEPTED GENUS 2298:84L7Y nidx=null]
Anthomastus
 - Anthomastus [ACCEPTED GENUS 2296:62DD6 nidx=null]
 + Anthomastus Verrill, 1878 [ACCEPTED GENUS 2298:84KZ6 nidx=null]
Anthomuricea
 - Anthomuricea [ACCEPTED GENUS 2296:62DD8 nidx=null]
 + Anthomuricea Studer, 1887 [ACCEPTED GENUS 2298:84KZ7 nidx=null]
Anthoplexaura
 - Anthoplexaura [ACCEPTED GENUS 2296:62DDT nidx=null]
 + Anthoplexaura Kükenthal, 1908 [ACCEPTED GENUS 2298:84L82 nidx=null]
Anthoptilidae
 - Anthoptilidae [ACCEPTED FAMILY 2296:6234V nidx=null]
 + Anthoptilidae Kölliker, 1880 [ACCEPTED FAMILY 2298:84JTQ nidx=null]
Anthoptilum
 - Anthoptilum [ACCEPTED GENUS 2296:XFK nidx=null]
 + Anthoptilum Kölliker, 1880 [ACCEPTED GENUS 2298:84KZ9 nidx=null]
Anthostoma acutum
 - Anthostoma acutum Verrill, 1873 [SYNONYM SPECIES 2296:67FCB nidx=null parent=4VSKS]
 + Anthostoma acutum Verrill, 1873 [SYNONYM SPECIES 2298:84THZ nidx=null parent=84X9S]
Anthotethya
 - Anthotethya [ACCEPTED GENUS 2296:XG9 nidx=null]
 + Anthotethya Sarà & Sarà, 2002 [ACCEPTED GENUS 2298:84KZB nidx=null]
Anthothela
 - Anthothela [ACCEPTED GENUS 2296:62DDX nidx=null]
 + Anthothela Verrill, 1879 [ACCEPTED GENUS 2298:84KZC nidx=null]
Anthothelidae
 - Anthothelidae [ACCEPTED FAMILY 2296:6HB nidx=null]
 + Anthothelidae Broch, 1916 [ACCEPTED FAMILY 2298:84JTR nidx=null]
Anthracocarididae
 - Anthracocarididae [ACCEPTED FAMILY 2296:6HC nidx=null]
 + Anthracocarididae Brooks, 1962 [ACCEPTED FAMILY 2298:84JTS nidx=null]
Anthracocaris
 - Anthracocaris [ACCEPTED GENUS 2296:XGM nidx=null]
 + Anthracocaris Calman, 1933 [ACCEPTED GENUS 2298:84L83 nidx=null]
Anthrax binotatus
 - Anthrax binotatus Wiedemann, 1820 [ACCEPTED SPECIES 2296:67GVY nidx=null]
 + Anthrax binotatus Wiedemann, 1820 [ACCEPTED SPECIES 2298:84TJB nidx=null]
Antillia
 - Antillia [ACCEPTED GENUS 2296:XM5 nidx=null]
 + Antillia Duncan, 1864 [ACCEPTED GENUS 2298:84L87 nidx=null]
Antillogorgia
 - Antillogorgia [ACCEPTED GENUS 2296:XMP nidx=null]
 + Antillogorgia Bayer, 1951 [ACCEPTED GENUS 2298:84L88 nidx=null]
Antinoe
 - Antinoe [ACCEPTED GENUS 2296:XP2 nidx=null]
 + Antinoe Kinberg, 1856 [ACCEPTED GENUS 2298:84KZF nidx=null]
Antiobactrum
 - Antiobactrum [ACCEPTED GENUS 2296:XP4 nidx=null]
 + Antiobactrum Chamberlin, 1919 [ACCEPTED GENUS 2298:84KZH nidx=null]
Antiparus
 - Antiparus [ACCEPTED GENUS 2296:XPM nidx=null]
 + Antiparus Gutu, 2016 [ACCEPTED GENUS 2298:84L8G nidx=null]
Antiplotanais
 - Antiplotanais [ACCEPTED GENUS 2296:XQ5 nidx=null]
 + Antiplotanais Bamber, 2008 [ACCEPTED GENUS 2298:84L8J nidx=null]
Antipodrilus
 - Antipodrilus [ACCEPTED GENUS 2296:XQG nidx=null]
 + Antipodrilus Brinkhurst & Jamieson, 1971 [ACCEPTED GENUS 2298:84KZJ nidx=null]
Antiponemertes
 - Antiponemertes [ACCEPTED GENUS 2296:XQJ nidx=null]
 + Antiponemertes Moore & Gibson, 1981 [ACCEPTED GENUS 2298:84L8K nidx=null]
Antonbruunia
 - Antonbruunia [ACCEPTED GENUS 2296:XST nidx=null]
 + Antonbruunia Hartman & Boss, 1966 [ACCEPTED GENUS 2298:84KZK nidx=null]
Antonbruunidae
 - Antonbruunidae [ACCEPTED FAMILY 2296:6HW nidx=null]
 + Antonbruunidae Fauchald, 1977 [ACCEPTED FAMILY 2298:84JTT nidx=null]
Aonidella
 - Aonidella [ACCEPTED GENUS 2296:XYD nidx=null]
 + Aonidella López-Jamar, 1989 [ACCEPTED GENUS 2298:84L8T nidx=null]
Aonides
 - Aonides [ACCEPTED GENUS 2296:62D8B nidx=null]
 + Aonides Claparède, 1864 [ACCEPTED GENUS 2298:84KZM nidx=null]
Aparatanais
 - Aparatanais [ACCEPTED GENUS 2296:Y3W nidx=null]
 + Aparatanais Bird & Bamber, 2013 [ACCEPTED GENUS 2298:84L93 nidx=null]
Apatihowella
 - Apatihowella [ACCEPTED GENUS 2296:Y59 nidx=null]
 + Apatihowella Jellinek & Swanson, 2003 [ACCEPTED GENUS 2298:84L95 nidx=null]
Apatronemertes
 - Apatronemertes [ACCEPTED GENUS 2296:Y5S nidx=null]
 + Apatronemertes Wilfert & Gibson, 1974 [ACCEPTED GENUS 2298:84L96 nidx=null]
Apharyngtus
 - Apharyngtus [ACCEPTED GENUS 2296:YCD nidx=null]
 + Apharyngtus Westheide, 1971 [ACCEPTED GENUS 2298:84L9F nidx=null]
Aphelochaeta
 - Aphelochaeta [ACCEPTED GENUS 2296:YD9 nidx=null]
 + Aphelochaeta Blake, 1991 [ACCEPTED GENUS 2298:84KZR nidx=null]
Aphorme
 - Aphorme [ACCEPTED GENUS 2296:YGP nidx=null]
 + Aphorme Schulze, 1899 [ACCEPTED GENUS 2298:84KZT nidx=null]
Aphrocallistes
 - Aphrocallistes [ACCEPTED GENUS 2296:YHC nidx=null]
 + Aphrocallistes Gray, 1858 [ACCEPTED GENUS 2298:84KZV nidx=null]
Aphrocallistidae
 - Aphrocallistidae [ACCEPTED FAMILY 2296:6K8 nidx=null]
 + Aphrocallistidae Gray, 1867 [ACCEPTED FAMILY 2298:84JTV nidx=null]
Aphroceras
 - Aphroceras [ACCEPTED GENUS 2296:YHD nidx=null]
 + Aphroceras Gray, 1858 [ACCEPTED GENUS 2298:84KZW nidx=null]
Aphrodita
 - Aphrodita [ACCEPTED GENUS 2296:YHH nidx=null]
 + Aphrodita Linnaeus, 1758 [ACCEPTED GENUS 2298:84KZX nidx=null]
Aphroditidae
 - Aphroditidae [ACCEPTED FAMILY 2296:6K9 nidx=null]
 + Aphroditidae Malmgren, 1867 [ACCEPTED FAMILY 2298:84JTW nidx=null]
Aphrogenia
 - Aphrogenia [ACCEPTED GENUS 2296:YHP nidx=null]
 + Aphrogenia Kinberg, 1856 [ACCEPTED GENUS 2298:84KZY nidx=null]
Aphrogenia villosa laevis
 - Aphrogenia villosa laevis Horst, 1916 [SYNONYM SUBSPECIES 2296:5FPWQ nidx=null parent=5VN36]
 + Aphrogenia villosa laevis Horst, 1916 [SYNONYM SUBSPECIES 2298:852PZ nidx=null parent=84TB5]
Aphropharynx
 - Aphropharynx [ACCEPTED GENUS 2296:YHS nidx=null]
 + Aphropharynx Wilfert, 1974 [ACCEPTED GENUS 2298:84L9L nidx=null]
Apistobranchidae
 - Apistobranchidae [ACCEPTED FAMILY 2296:6KK nidx=null]
 + Apistobranchidae Mesnil & Caullery, 1898 [ACCEPTED FAMILY 2298:84JTX nidx=null]
Apistobranchus
 - Apistobranchus [ACCEPTED GENUS 2296:YNZ nidx=null]
 + Apistobranchus Levinsen, 1884 [ACCEPTED GENUS 2298:84L23 nidx=null]
Aplysilla
 - Aplysilla [ACCEPTED GENUS 2296:YSH nidx=null]
 + Aplysilla Schulze, 1878 [ACCEPTED GENUS 2298:84L28 nidx=null]
Aplysina
 - Aplysina [ACCEPTED GENUS 2296:YSJ nidx=null]
 + Aplysina Nardo, 1834 [ACCEPTED GENUS 2298:84L29 nidx=null]
Aplysinella
 - Aplysinella [ACCEPTED GENUS 2296:YSK nidx=null]
 + Aplysinella Bergquist, 1980 [ACCEPTED GENUS 2298:84L2B nidx=null]
Aplysinellidae
 - Aplysinellidae [ACCEPTED FAMILY 2296:6KX nidx=null]
 + Aplysinellidae Bergquist, 1980 [ACCEPTED FAMILY 2298:84JTZ nidx=null]
Aplysinidae
 - Aplysinidae [ACCEPTED FAMILY 2296:6KY nidx=null]
 + Aplysinidae Carter, 1875 [ACCEPTED FAMILY 2298:84JV2 nidx=null]
Aplysinopsis
 - Aplysinopsis [ACCEPTED GENUS 2296:YSL nidx=null]
 + Aplysinopsis Lendenfeld, 1888 [ACCEPTED GENUS 2298:84L2C nidx=null]
Aplysinopsis schmidtii
 - Aplysinopsis schmidtii (Marenzeller, 1878) [SYNONYM SPECIES 2296:5VNTR nidx=null parent=6ZDC8]
 + Aplysinopsis schmidtii (Marenzeller, 1878) [SYNONYM SPECIES 2298:84TB7 nidx=null parent=6ZDC8]
Apodotrocha
 - Apodotrocha [ACCEPTED GENUS 2296:YWS nidx=null]
 + Apodotrocha Westheide & Riser, 1983 [ACCEPTED GENUS 2298:84LBH nidx=null]
Apomatus
 - Apomatus [ACCEPTED GENUS 2296:YZ4 nidx=null]
 + Apomatus Philippi, 1844 [ACCEPTED GENUS 2298:84L2H nidx=null]
Aponesidea
 - Aponesidea [ACCEPTED GENUS 2296:YZQ nidx=null]
 + Aponesidea Maddocks in Maddocks & Iliffe, 1986 [ACCEPTED GENUS 2298:84LBL nidx=null]
Aponuphis
 - Aponuphis [ACCEPTED GENUS 2296:YZV nidx=null]
 + Aponuphis Kucheruk, 1978 [ACCEPTED GENUS 2298:84LBM nidx=null]
Aponychos
 - Aponychos [ACCEPTED GENUS 2296:YZY nidx=null]
 + Aponychos Bamber, Chatterjee & Marshall, 2012 [ACCEPTED GENUS 2298:84LBN nidx=null]
Apophryotrocha
 - Apophryotrocha [ACCEPTED GENUS 2296:Z2B nidx=null]
 + Apophryotrocha Jumars, 1974 [ACCEPTED GENUS 2298:84L2J nidx=null]
Aporrectodea
 - Aporrectodea [ACCEPTED GENUS 2296:Z4Q nidx=null]
 + Aporrectodea Orley, 1885 [ACCEPTED GENUS 2298:84L2M nidx=null]
Apseudella
 - Apseudella [ACCEPTED GENUS 2296:62CPK nidx=null]
 + Apseudella Lang, 1968 [ACCEPTED GENUS 2298:84L2Q nidx=null]
Apseudellidae
 - Apseudellidae [ACCEPTED FAMILY 2296:6LJ nidx=null]
 + Apseudellidae Gutu, 1972 [ACCEPTED FAMILY 2298:84JV3 nidx=null]
Apseudes
 - Apseudes [ACCEPTED GENUS 2296:62CPL nidx=null]
 + Apseudes Leach, 1814 [ACCEPTED GENUS 2298:84L2R nidx=null]
Apseudidae
 - Apseudidae [ACCEPTED FAMILY 2296:6LK nidx=null]
 + Apseudidae Leach, 1814 [ACCEPTED FAMILY 2298:84JV4 nidx=null]
Apseudoidea
 - Apseudoidea [ACCEPTED SUPERFAMILY 2296:4TL nidx=null]
 + Apseudoidea Leach, 1814 [ACCEPTED SUPERFAMILY 2298:84JRY nidx=null]
Apseudomorpha
 - Apseudomorpha [ACCEPTED GENUS 2296:ZB2 nidx=null]
 + Apseudomorpha Sieg, 1980 [ACCEPTED SUBORDER 2298:84JR4 nidx=null]
 + Apseudomorpha Miller, 1940 [ACCEPTED GENUS 2298:84JR5 nidx=null]
Apseudopsis
 - Apseudopsis [ACCEPTED GENUS 2296:ZB3 nidx=null]
 + Apseudopsis Norman, 1899 [ACCEPTED GENUS 2298:84L2S nidx=null]
Aquaumbra
 - Aquaumbra [ACCEPTED GENUS 2296:ZHF nidx=null]
 + Aquaumbra Breedy, van Ofwegen & Vargas, 2012 [ACCEPTED GENUS 2298:84LC8 nidx=null]
Aquaumbridae
 - Aquaumbridae [ACCEPTED FAMILY 2296:6LW nidx=null]
 + Aquaumbridae Breedy, van Ofwegen & Vargas, 2012 [ACCEPTED FAMILY 2298:84JZZ nidx=null]
Aquilaria agallochum
 - Aquilaria agallochum (Lour.) Roxb. ex Finl. [SYNONYM SPECIES 2296:FZM6 nidx=null parent=FZM5]
 + Aquilaria agallochum (Lour.) Roxb. ex Finl. [SYNONYM SPECIES 2298:84TC2 nidx=null parent=FZM5]
Arabella
 - Arabella [ACCEPTED GENUS 2296:ZJG nidx=null]
 + Arabella Grube, 1850 [ACCEPTED GENUS 2298:84L2Z nidx=null]
Arabellites
 - Arabellites [ACCEPTED GENUS 2296:ZJJ nidx=null]
 + Arabellites Hinde, 1879 [ACCEPTED GENUS 2298:84LC9 nidx=null]
Arabelloneris
 - Arabelloneris [ACCEPTED GENUS 2296:ZJK nidx=null]
 + Arabelloneris Hartmann-Schröder, 1979 [ACCEPTED GENUS 2298:84LCB nidx=null]
Arabescula
 - Arabescula [ACCEPTED GENUS 2296:ZJM nidx=null]
 + Arabescula Carter, 1873 [ACCEPTED GENUS 2298:84L32 nidx=null]
Arachnostega
 - Arachnostega [ACCEPTED GENUS 2296:ZMB nidx=null]
 + Arachnostega Bertling, 1992 [ACCEPTED GENUS 2298:84LCG nidx=null]
Aracia
 - Aracia [ACCEPTED GENUS 2296:ZMP nidx=null]
 + Aracia Nogueira, Fitzhugh & Rossi, 2010 [ACCEPTED GENUS 2298:84LCJ nidx=null]
Araleptochelia
 - Araleptochelia [ACCEPTED GENUS 2296:ZQ3 nidx=null]
 + Araleptochelia Błażewicz-Paszkowycz & Bamber, 2012 [ACCEPTED GENUS 2298:84LCN nidx=null]
Araphura
 - Araphura [ACCEPTED GENUS 2296:ZR9 nidx=null]
 + Araphura Bird & Holdich, 1984 [ACCEPTED GENUS 2298:84L38 nidx=null]
Arcacythere
 - Arcacythere [ACCEPTED GENUS 2296:62CRM nidx=null]
 + Arcacythere Hornibrook, 1952 [ACCEPTED GENUS 2298:84LCV nidx=null]
Arcantitanais
 - Arcantitanais [ACCEPTED GENUS 2296:ZV5 nidx=null]
 + Arcantitanais Sánchez-García, Peñalver & Perrichot, 2016 [ACCEPTED GENUS 2298:84LCW nidx=null]
Archaeoprion
 - Archaeoprion [ACCEPTED GENUS 2296:ZXB nidx=null]
 + Archaeoprion Mierzejewski, 1975 [ACCEPTED GENUS 2298:84LD3 nidx=null]
Archarenicola
 - Archarenicola [ACCEPTED GENUS 2296:ZYV nidx=null]
 + Archarenicola Horwood, 1912 [ACCEPTED GENUS 2298:84LD6 nidx=null]
Archasterope
 - Archasterope [ACCEPTED GENUS 2296:ZZ4 nidx=null]
 + Archasterope Poulsen, 1965 [ACCEPTED GENUS 2298:84LD7 nidx=null]
Archesabella
 - Archesabella [ACCEPTED GENUS 2296:322X nidx=null]
 + Archesabella Hayward, 1977 [ACCEPTED GENUS 2298:84LD8 nidx=null]
Archibonellia
 - Archibonellia [ACCEPTED GENUS 2296:323N nidx=null]
 + Archibonellia Fischer, 1919 [ACCEPTED GENUS 2298:84L3D nidx=null]
Archiconchoecemma
 - Archiconchoecemma [ACCEPTED GENUS 2296:3245 nidx=null]
 + Archiconchoecemma Chavtur & Stovbun, 2003 [ACCEPTED GENUS 2298:84L3F nidx=null]
Archiconchoecerra
 - Archiconchoecerra [ACCEPTED GENUS 2296:3246 nidx=null]
 + Archiconchoecerra Chavtur & Stovbun, 2003 [ACCEPTED GENUS 2298:84L3G nidx=null]
Archiconchoecetta
 - Archiconchoecetta [ACCEPTED GENUS 2296:3247 nidx=null]
 + Archiconchoecetta Chavtur & Stovbun, 2003 [ACCEPTED GENUS 2298:84L3H nidx=null]
Archiconchoecia
 - Archiconchoecia [ACCEPTED GENUS 2296:3248 nidx=null]
 + Archiconchoecia Müller, 1894 [ACCEPTED GENUS 2298:84L3J nidx=null]
Archiconchoecilla
 - Archiconchoecilla [ACCEPTED GENUS 2296:3249 nidx=null]
 + Archiconchoecilla Chavtur & Stovbun, 2003 [ACCEPTED GENUS 2298:84L3K nidx=null]
Archiconchoecinna
 - Archiconchoecinna [ACCEPTED GENUS 2296:62D3W nidx=null]
 + Archiconchoecinna Chavtur & Stovbun, 2003 [ACCEPTED GENUS 2298:84L3L nidx=null]
Archiconchoecissa
 - Archiconchoecissa [ACCEPTED GENUS 2296:324B nidx=null]
 + Archiconchoecissa Chavtur & Stovbun, 2003 [ACCEPTED GENUS 2298:84L3M nidx=null]
Archicythereis
 - Archicythereis [ACCEPTED GENUS 2296:324K nidx=null]
 + Archicythereis Howe in Howe & Law, 1936 [ACCEPTED GENUS 2298:84LDD nidx=null]
Archinome
 - Archinome [ACCEPTED GENUS 2296:326N nidx=null]
 + Archinome Kudenov, 1991 [ACCEPTED GENUS 2298:84LDG nidx=null]
Archypolycope
 - Archypolycope [ACCEPTED GENUS 2296:329K nidx=null]
 + Archypolycope Chavtur, 1981 [ACCEPTED GENUS 2298:84LDP nidx=null]
Arcovestia
 - Arcovestia [ACCEPTED GENUS 2296:62D52 nidx=null]
 + Arcovestia Southward & Galkin, 1997 [ACCEPTED GENUS 2298:84LDR nidx=null]
Arcteobia
 - Arcteobia [ACCEPTED GENUS 2296:32B2 nidx=null]
 + Arcteobia Annenkova, 1937 [ACCEPTED GENUS 2298:84L3S nidx=null]
Arcteonais
 - Arcteonais [ACCEPTED GENUS 2296:32B3 nidx=null]
 + Arcteonais Piguet, 1928 [ACCEPTED GENUS 2298:84L3T nidx=null]
Arctium palladinii
 - Arctium palladinii (Marcow.) Grossh. [ACCEPTED SPECIES 2296:5W3PS nidx=null]
 + Arctium palladinii (Marcow.) Grossh. [ACCEPTED SPECIES 2298:84TLJ nidx=null]
Arctocypris
 - Arctocypris [ACCEPTED GENUS 2296:32C9 nidx=null]
 + Arctocypris Petkovski, Scharf & Keyser, 2016 [ACCEPTED GENUS 2298:84LDV nidx=null]
Arctodrilus
 - Arctodrilus [ACCEPTED GENUS 2296:32CD nidx=null]
 + Arctodrilus Brinkhurst & Kathman, 1983 [ACCEPTED GENUS 2298:84L3W nidx=null]
Arctonemertes
 - Arctonemertes [ACCEPTED GENUS 2296:32CZ nidx=null]
 + Arctonemertes Friedrich, 1957 [ACCEPTED GENUS 2298:84LDX nidx=null]
Arctonoe
 - Arctonoe [ACCEPTED GENUS 2296:32D3 nidx=null]
 + Arctonoe Chamberlin, 1920 [ACCEPTED GENUS 2298:84L3X nidx=null]
Arctonoella
 - Arctonoella [ACCEPTED GENUS 2296:32D4 nidx=null]
 + Arctonoella Buzhinskaja, 1967 [ACCEPTED GENUS 2298:84L3Y nidx=null]
Arctotanais
 - Arctotanais [ACCEPTED GENUS 2296:62D4X nidx=null]
 + Arctotanais Sieg, 1980 [ACCEPTED GENUS 2298:84L3Z nidx=null]
Arculacythereis
 - Arculacythereis [ACCEPTED GENUS 2296:62D5Q nidx=null]
 + Arculacythereis Hartmann, 1981 [ACCEPTED GENUS 2298:84LDZ nidx=null]
Areacandona
 - Areacandona [ACCEPTED GENUS 2296:32GJ nidx=null]
 + Areacandona Karanovic, 2005 [ACCEPTED GENUS 2298:84LF2 nidx=null]
Areco
 - Areco [ACCEPTED GENUS 2296:32GS nidx=null]
 + Areco Righi, Ayres & Bittencourt, 1978 [ACCEPTED GENUS 2298:84L44 nidx=null]
Aremus
 - Aremus [ACCEPTED GENUS 2296:32H7 nidx=null]
 + Aremus Segadilha, Gellert & Błażewicz, 2018 [ACCEPTED GENUS 2298:84LF3 nidx=null]
Arenaria macrorrhiza
 - Arenaria macrorrhiza Req. ex Loisel. [SYNONYM SPECIES 2296:683B5 nidx=null parent=4YJGS]
 + Arenaria macrorrhiza Req. ex Loisel. [SYNONYM SPECIES 2298:84TLM nidx=null parent=4YJGS]
Arenicola
 - Arenicola [ACCEPTED GENUS 2296:32HQ nidx=null]
 + Arenicola Lamarck, 1801 [ACCEPTED GENUS 2298:84L45 nidx=null]
Arenicolidae
 - Arenicolidae [ACCEPTED FAMILY 2296:6PH nidx=null]
 + Arenicolidae Johnston, 1835 [ACCEPTED FAMILY 2298:84JV5 nidx=null]
Arenicolides
 - Arenicolides [ACCEPTED GENUS 2296:32HR nidx=null]
 + Arenicolides Mesnil, 1898 [ACCEPTED GENUS 2298:84L46 nidx=null]
Arenicolides ecaudatus
 - Arenicolides ecaudatus (Mesnil, 1897) [ACCEPTED SPECIES 2296:GFJK nidx=null]
 + Arenicolides ecaudatus (Mesnil, 1897) [SYNONYM SPECIES 2298:84TCR nidx=null parent=GFJL]
Arenogigas
 - Arenogigas [ACCEPTED GENUS 2296:32JB nidx=null]
 + Arenogigas Krämer & Döhren, 2015 [ACCEPTED GENUS 2298:84LF5 nidx=null]
Arenonemertes
 - Arenonemertes [ACCEPTED GENUS 2296:32JG nidx=null]
 + Arenonemertes Friedrich, 1933 [ACCEPTED GENUS 2298:84LF6 nidx=null]
Arenosclera
 - Arenosclera [ACCEPTED GENUS 2296:32JP nidx=null]
 + Arenosclera Pulitzer-Finali, 1982 [ACCEPTED GENUS 2298:84L47 nidx=null]
Arenotrocha
 - Arenotrocha [ACCEPTED GENUS 2296:32JT nidx=null]
 + Arenotrocha Westheide & von Nordheim, 1985 [ACCEPTED GENUS 2298:84L48 nidx=null]
Arenotrocha minuta
 - Arenotrocha minuta Westheide & Nordheim, 1985 [ACCEPTED SPECIES 2296:GFSY nidx=null]
 + Arenotrocha minuta (Lévi, 1954) [ACCEPTED SPECIES 2298:84TCS nidx=null]
Argenticytheretta
 - Argenticytheretta [ACCEPTED GENUS 2296:32LM nidx=null]
 + Argenticytheretta Rossi De Garcia, 1969 [ACCEPTED GENUS 2298:84LF9 nidx=null]
Argilloecia
 - Argilloecia [ACCEPTED GENUS 2296:32MV nidx=null]
 + Argilloecia Sars, 1866 [ACCEPTED GENUS 2298:84L49 nidx=null]
Argonemertes
 - Argonemertes [ACCEPTED GENUS 2296:62CVC nidx=null]
 + Argonemertes Moore & Gibson, 1981 [ACCEPTED GENUS 2298:84LFB nidx=null]
Arhaphuroides
 - Arhaphuroides [ACCEPTED GENUS 2296:32SJ nidx=null]
 + Arhaphuroides Sieg, 1986 [ACCEPTED GENUS 2298:84LFG nidx=null]
Arhochmus
 - Arhochmus [ACCEPTED GENUS 2296:32SQ nidx=null]
 + Arhochmus Maslakova & Norenburg, 2008 [ACCEPTED GENUS 2298:84LFH nidx=null]
Arhynchite
 - Arhynchite [ACCEPTED GENUS 2296:32SY nidx=null]
 + Arhynchite Satô, 1937 [ACCEPTED GENUS 2298:84L4C nidx=null]
Arhynchonemertes
 - Arhynchonemertes [ACCEPTED GENUS 2296:32T2 nidx=null]
 + Arhynchonemertes Riser, 1988 [ACCEPTED GENUS 2298:84LFK nidx=null]
Arhynchonemertidae
 - Arhynchonemertidae [ACCEPTED FAMILY 2296:6PZ nidx=null]
 + Arhynchonemertidae Chernyshev, 1995 [ACCEPTED FAMILY 2298:84K24 nidx=null]
Arichlidon
 - Arichlidon [ACCEPTED GENUS 2296:32TX nidx=null]
 + Arichlidon Watson Russell, 1998 [ACCEPTED GENUS 2298:84LFL nidx=null]
Aricia chevalieri
 - Aricia chevalieri Fauvel, 1902 [SYNONYM SPECIES 2296:GLZ4 nidx=null parent=4VSJM]
 + Aricia chevalieri Fauvel, 1902 [SYNONYM SPECIES 2298:84TLV nidx=null parent=85DW3]
Aricia cuvieri persica
 - Aricia cuvieri persica Fauvel, 1932 [SYNONYM SUBSPECIES 2296:5FRV9 nidx=null parent=7HKZX]
 + Aricia cuvieri persica Fauvel, 1932 [SYNONYM SUBSPECIES 2298:852Q2 nidx=null parent=85FMC]
Aricia rubra
 - Aricia rubra Webster, 1879 [SYNONYM SPECIES 2296:GM5Q nidx=null parent=4VSK3]
 + Aricia rubra Webster, 1879 [SYNONYM SPECIES 2298:84TLY nidx=null parent=85DWD]
Aricia tribulosa
 - Aricia tribulosa Ehlers, 1897 [SYNONYM SPECIES 2296:GM6K nidx=null parent=4VSK5]
 + Aricia tribulosa Ehlers, 1897 [SYNONYM SPECIES 2298:84TLZ nidx=null parent=3T6BQ]
Aricidea
 - Aricidea [ACCEPTED GENUS 2296:62CVM nidx=null]
 - Aricidea [ACCEPTED SUBGENUS 2296:62D7M nidx=null]
 + Aricidea Webster, 1879 [ACCEPTED GENUS 2298:84L4D nidx=null]
Aricidea jeffreysii
 - Aricidea jeffreysii [Auctt. (Non McIntosh, 1879) ] [SYNONYM SPECIES 2296:GMB3 nidx=null parent=682XG]
 + Aricidea jeffreysii [Auctt. (Non McIntosh, 1879) ] [SYNONYM SPECIES 2298:84TD8 nidx=null parent=682XG]
Aristonerilla
 - Aristonerilla [ACCEPTED GENUS 2296:32XF nidx=null]
 + Aristonerilla Müller, 2002 [ACCEPTED GENUS 2298:84LFT nidx=null]
Arites
 - Arites [ACCEPTED GENUS 2296:32Y4 nidx=null]
 + Arites Kozur, 1967 [ACCEPTED GENUS 2298:84LFX nidx=null]
Arkonips
 - Arkonips [ACCEPTED GENUS 2296:32YV nidx=null]
 + Arkonips Farrell & Briggs, 2007 [ACCEPTED GENUS 2298:84LFY nidx=null]
Armadillogorgia
 - Armadillogorgia [ACCEPTED GENUS 2296:32ZK nidx=null]
 + Armadillogorgia Bayer, 1980 [ACCEPTED GENUS 2298:84LG4 nidx=null]
Armadillopsis
 - Armadillopsis [ACCEPTED GENUS 2296:32ZM nidx=null]
 + Armadillopsis Sánchez-García, Peñalver & Perrichot, 2016 [ACCEPTED GENUS 2298:84LG7 nidx=null]
Armandia
 - Armandia [ACCEPTED GENUS 2296:32ZR nidx=null]
 + Armandia Filippi, 1861 [ACCEPTED GENUS 2298:84L4J nidx=null]
Armandia longicaudata
 - Armandia longicaudata (Caullery, 1944) [ACCEPTED SPECIES 2296:5VT2C nidx=null]
 + Armandia longicaudata (Caullery, 1944) [SYNONYM SPECIES 2298:84TDN nidx=null parent=6SNJ7]
Armatognathia
 - Armatognathia [ACCEPTED GENUS 2296:3329 nidx=null]
 + Armatognathia Kudinova-Pasternak, 1987 [ACCEPTED GENUS 2298:84LG9 nidx=null]
Armaturatanais
 - Armaturatanais [ACCEPTED GENUS 2296:332F nidx=null]
 + Armaturatanais Larsen, 2005 [ACCEPTED GENUS 2298:84LGB nidx=null]
Armaueria
 - Armaueria [ACCEPTED GENUS 2296:332H nidx=null]
 + Armaueria Brinkmann, 1917 [ACCEPTED GENUS 2298:84LGC nidx=null]
Armaueriidae
 - Armaueriidae [ACCEPTED FAMILY 2296:6QN nidx=null]
 + Armaueriidae Brinkmann, 1917 [ACCEPTED FAMILY 2298:84K25 nidx=null]
Arntzia
 - Arntzia [ACCEPTED GENUS 2296:334X nidx=null]
 + Arntzia López-González, Gili & Orejas, 2002 [ACCEPTED GENUS 2298:84LGK nidx=null]
Arranooba
 - Arranooba [ACCEPTED GENUS 2296:3373 nidx=null]
 + Arranooba Hutchings & Glasby, 1988 [ACCEPTED GENUS 2298:84LGQ nidx=null]
Artacama
 - Artacama [ACCEPTED GENUS 2296:339M nidx=null]
 + Artacama Malmgren, 1866 [ACCEPTED GENUS 2298:84L4N nidx=null]
Artacamella dibranchiata
 - Artacamella dibranchiata Knox & Cameron, 1971 [ACCEPTED SPECIES 2296:GVF4 nidx=null]
 + Artacamella dibranchiata Knox & Cameron, 1971 [SYNONYM SPECIES 2298:84TM3 nidx=null parent=85FKB]
Artacamella torulosa
 - Artacamella torulosa Hutchings & Peart, 2000 [ACCEPTED SPECIES 2296:GVF6 nidx=null]
 + Artacamella torulosa Hutchings & Peart, 2000 [SYNONYM SPECIES 2298:84TM4 nidx=null parent=85FKC]
Artacamella tribranchiata
 - Artacamella tribranchiata Hutchings & Peart, 2000 [ACCEPTED SPECIES 2296:GVF7 nidx=null]
 + Artacamella tribranchiata Hutchings & Peart, 2000 [SYNONYM SPECIES 2298:84TM5 nidx=null parent=85FKD]
Artemisia gmelini
 - Artemisia gmelini Willd. ex Besser [SYNONYM SPECIES 2296:GWDD nidx=null parent=5FSKG]
 + Artemisia gmelini Willd. ex Besser [SYNONYM SPECIES 2298:84TDQ nidx=null parent=5FSKG]
Artemisia lehmanniana
 - Artemisia lehmanniana Bunge [ACCEPTED SPECIES 2296:GWK2 nidx=null]
 + Artemisia lehmanniana Bunge [ACCEPTED SPECIES 2298:84TM6 nidx=null]
Artemisina
 - Artemisina [ACCEPTED GENUS 2296:62CHV nidx=null]
 + Artemisina Vosmaer, 1885 [ACCEPTED GENUS 2298:84L4R nidx=null]
Arthrogorgia
 - Arthrogorgia [ACCEPTED GENUS 2296:33CN nidx=null]
 + Arthrogorgia Kükenthal, 1908 [ACCEPTED GENUS 2298:84L4T nidx=null]
Arthrura
 - Arthrura [ACCEPTED GENUS 2296:62CJV nidx=null]
 + Arthrura Kudinova-Pasternak, 1966 [ACCEPTED GENUS 2298:84L4V nidx=null]
Articulatia
 - Articulatia [ACCEPTED GENUS 2296:33F9 nidx=null]
 + Articulatia Nogueira, Hutchings & Amaral, 2003 [ACCEPTED GENUS 2298:84LH2 nidx=null]
Arturia
 - Arturia [ACCEPTED GENUS 2296:33GP nidx=null]
 + Arturia Azevedo, Padua, Moraes, Rossi, Muricy & Klautau, 2017 [ACCEPTED GENUS 2298:84LH3 nidx=null]
Arula
 - Arula [ACCEPTED GENUS 2296:33H5 nidx=null]
 + Arula McFadden & van Ofwegen, 2012 [ACCEPTED GENUS 2298:84LH4 nidx=null]
Arulidae
 - Arulidae [ACCEPTED FAMILY 2296:6RR nidx=null]
 + Arulidae McFadden & van Ofwegen, 2012 [ACCEPTED FAMILY 2298:84K26 nidx=null]
Asabellides litoralis
 - Asabellides litoralis Annenkova, 1934 [SYNONYM SPECIES 2296:67RVK nidx=null parent=46S5S]
 + Asabellides litoralis Annenkova, 1934 [SYNONYM SPECIES 2298:84TDS nidx=null parent=46S5S]
Asbestopluma
 - Asbestopluma [ACCEPTED GENUS 2296:33LN nidx=null]
 - Asbestopluma [ACCEPTED SUBGENUS 2296:33LP nidx=null]
 + Asbestopluma Topsent, 1901 [ACCEPTED GENUS 2298:84L4X nidx=null]
Asbestopluma (Asbestopluma) infundibulum orientalis
 - Asbestopluma (Asbestopluma) infundibulum orientalis Koltun, 1970 [SYNONYM SUBSPECIES 2296:5FSX3 nidx=null parent=7MVJK]
 + Asbestopluma (Asbestopluma) infundibulum orientalis Koltun, 1970 [SYNONYM SUBSPECIES 2298:852Q3 nidx=null parent=85TC8]
Ascaltis
 - Ascaltis [ACCEPTED GENUS 2296:33MB nidx=null]
 + Ascaltis Haeckel, 1872 [ACCEPTED GENUS 2298:84L4Y nidx=null]
Ascaltis angusta
 - Ascaltis angusta Van Soest & De Voogd, 2015 [ACCEPTED SPECIES 2296:683WH nidx=null]
 + Ascaltis angusta Van Soest & De Voogd, 2015 [SYNONYM SPECIES 2298:84TM8 nidx=null parent=85SNG]
Ascaltis gegenbauri
 - Ascaltis gegenbauri Haeckel, 1872 [SYNONYM SPECIES 2296:5VRWF nidx=null parent=725R6]
 + Ascaltis gegenbauri (Haeckel, 1872) [SYNONYM SPECIES 2298:84TM9 nidx=null parent=H5BP]
Ascandra
 - Ascandra [ACCEPTED GENUS 2296:33MC nidx=null]
 + Ascandra Haeckel, 1872 [ACCEPTED GENUS 2298:84L4Z nidx=null]
Ascandra loculosa
 - Ascandra loculosa (Dendy, 1891) [ACCEPTED SPECIES 2296:H5BV nidx=null]
 + Ascandra loculosa (Haeckel, 1870) [SYNONYM SPECIES 2298:84TMB nidx=null parent=VSV8]
Asceptrulum
 - Asceptrulum [ACCEPTED GENUS 2296:33MS nidx=null]
 + Asceptrulum Duplessis & Reiswig, 2004 [ACCEPTED GENUS 2298:84LH6 nidx=null]
Asceptrulum axialis
 - Asceptrulum axialis Duplessis & Reiswig, 2004 [ACCEPTED SPECIES 2296:H5GP nidx=null]
 + Asceptrulum axialis Duplessis & Reiswig, 2004 [SYNONYM SPECIES 2298:84TMC nidx=null parent=85SNN]
Asclerocheilus
 - Asclerocheilus [ACCEPTED GENUS 2296:33PH nidx=null]
 + Asclerocheilus Ashworth, 1901 [ACCEPTED GENUS 2298:84L52 nidx=null]
Ascoleucetta
 - Ascoleucetta [ACCEPTED GENUS 2296:33QW nidx=null]
 + Ascoleucetta Dendy & Frederick, 1924 [ACCEPTED GENUS 2298:84L53 nidx=null]
Ascoleucetta amitsba
 - Ascoleucetta amitsba (Hôzawa, 1929) [ACCEPTED SPECIES 2296:H8DR nidx=null]
 + Ascoleucetta amitsba (Hôzawa, 1929) [SYNONYM SPECIES 2298:84TMG nidx=null parent=859LW]
Asconema
 - Asconema [ACCEPTED GENUS 2296:33R6 nidx=null]
 + Asconema Kent, 1870 [ACCEPTED GENUS 2298:84L54 nidx=null]
Ascorhynchidae
 - Ascorhynchidae [ACCEPTED FAMILY 2296:6SL nidx=null]
 + Ascorhynchidae Hoek, 1881 [ACCEPTED FAMILY 2298:84JV9 nidx=null]
Ascorhynchoidea
 - Ascorhynchoidea [ACCEPTED SUPERFAMILY 2296:6239W nidx=null]
 + Ascorhynchoidea Pocock, 1904 [ACCEPTED SUPERFAMILY 2298:84JRZ nidx=null]
Ascorhynchus
 - Ascorhynchus [ACCEPTED GENUS 2296:33RL nidx=null]
 + Ascorhynchus Sars, 1877 [ACCEPTED GENUS 2298:84L56 nidx=null]
Ascorhynchus agassizi
 - Ascorhynchus agassizi Bouvier, 1937 non-Schimkewitsch, 1893 [SYNONYM SPECIES 2296:5W5QB nidx=null parent=H8LZ]
 + Ascorhynchus agassizi Bouvier, 1937 non-Schimkewitsch, 1893 [MISAPPLIED SPECIES 2298:84TDX nidx=null parent=H8LZ]
Ascorhynchus agassizzii
 - Ascorhynchus agassizzii Hilton, 1942 non-Schimkewitsch, 1893 [SYNONYM SPECIES 2296:H8LS nidx=null parent=H8NB]
 + Ascorhynchus agassizzii Hilton, 1942 non-Schimkewitsch, 1893 [MISAPPLIED SPECIES 2298:84TDW nidx=null parent=H8NB]
Ascorhynchus arenicola
 - Ascorhynchus arenicola Loman, 1925 non- (Dohrn, 1881) [SYNONYM SPECIES 2296:H8LW nidx=null parent=H8PK]
 + Ascorhynchus arenicola Loman, 1925 non- (Dohrn, 1881) [MISAPPLIED SPECIES 2298:84TDY nidx=null parent=H8PK]
Ascumnella
 - Ascumnella [ACCEPTED GENUS 2296:33SD nidx=null]
 + Ascumnella Gutu & Heard, 2002 [ACCEPTED GENUS 2298:84LHB nidx=null]
Ascute
 - Ascute [ACCEPTED GENUS 2296:33SF nidx=null]
 + Ascute Dendy & Row, 1913 [ACCEPTED GENUS 2298:84L57 nidx=null]
Ascyssa
 - Ascyssa [ACCEPTED GENUS 2296:33SH nidx=null]
 + Ascyssa Haeckel, 1872 [ACCEPTED GENUS 2298:84L58 nidx=null]
Asperaxis
 - Asperaxis [ACCEPTED GENUS 2296:33ZB nidx=null]
 + Asperaxis Alderslade, 2006 [ACCEPTED GENUS 2298:84LHN nidx=null]
Aspiculophora
 - Aspiculophora [ACCEPTED GENUS 2296:342S nidx=null]
 + Aspiculophora Ruiz, Muricy, Lage, Domingos, Chenesseau & Pérez, 2017 [ACCEPTED GENUS 2298:84LHP nidx=null]
Aspidoconcha
 - Aspidoconcha [ACCEPTED GENUS 2296:343W nidx=null]
 + Aspidoconcha De Vos, 1953 [ACCEPTED GENUS 2298:84L5F nidx=null]
Aspidoscopulia
 - Aspidoscopulia [ACCEPTED GENUS 2296:345B nidx=null]
 + Aspidoscopulia Reiswig, 2002 [ACCEPTED GENUS 2298:84L5J nidx=null]
Asplenium crenatoserratum
 - Asplenium crenatoserratum Blume [SYNONYM SPECIES 2296:HK5N nidx=null parent=36HTH]
 + Asplenium crenatoserratum Blume [SYNONYM SPECIES 2298:84TNL nidx=null parent=36HTH]
Asplenium filix-femina var. flabellulatum
 - Asplenium filix-femina var. flabellulatum C. B. Clarke [SYNONYM VARIETY 2296:5MDNM nidx=null parent=JFMV]
 + Asplenium filix-femina var. flabellulatum C. B. Clarke [SYNONYM VARIETY 2298:852S4 nidx=null parent=JFMV]
Asplenium indicum var. obtusum
 - Asplenium indicum var. obtusum (Bir) Bir [SYNONYM VARIETY 2296:5MDQH nidx=null parent=7JBFL]
 + Asplenium indicum var. obtusum (Bir) Bir [SYNONYM VARIETY 2298:852S5 nidx=null parent=7JBFL]
Asplenium laui
 - Asplenium laui Ching [SYNONYM SPECIES 2296:HKQT nidx=null parent=HLTM]
 + Asplenium laui Ching [SYNONYM SPECIES 2298:84TF2 nidx=null parent=HLTM]
Asplenium sylvaticum
 - Asplenium sylvaticum (Bory) C. Presl [SYNONYM SPECIES 2296:HLH3 nidx=null parent=36J24]
 + Asplenium sylvaticum (Bory) C. Presl [SYNONYM SPECIES 2298:84TNS nidx=null parent=36J24]
Astacopsidrilus
 - Astacopsidrilus [ACCEPTED GENUS 2296:348N nidx=null]
 + Astacopsidrilus Goddard, 1909 [ACCEPTED GENUS 2298:84LHT nidx=null]
Aster greenii
 - Aster greenii Nees ex Torr. & A. Gray [AMBIGUOUS_SYNONYM SPECIES 2296:HQ72 nidx=null parent=48GSQ]
 - Aster greenii Torr. & A. Gray [AMBIGUOUS_SYNONYM SPECIES 2296:HQ73 nidx=null parent=53Q94]
 + Aster greenii Torr. & A. Gray [AMBIGUOUS_SYNONYM SPECIES 2298:84TNV nidx=null parent=53Q94]
 + Aster greenii Nees ex Torr. & A. Gray [AMBIGUOUS_SYNONYM SPECIES 2298:84TNW nidx=null parent=48GSQ]
Aster tradescanti
 - Aster tradescanti Nees [AMBIGUOUS_SYNONYM SPECIES 2296:HR4N nidx=null parent=7B6K2]
 - Aster tradescanti Michx. [AMBIGUOUS_SYNONYM SPECIES 2296:HR4P nidx=null parent=53Q88]
 + Aster tradescanti Nees [AMBIGUOUS_SYNONYM SPECIES 2298:84JQ5 nidx=null parent=7B6K2]
 + Aster tradescanti Michx. [AMBIGUOUS_SYNONYM SPECIES 2298:84JQ6 nidx=null parent=53Q88]
Asteronemertes
 - Asteronemertes [ACCEPTED GENUS 2296:34DM nidx=null]
 + Asteronemertes Chernyshev, 1991 [ACCEPTED GENUS 2298:84LHW nidx=null]
Asterophilia
 - Asterophilia [ACCEPTED GENUS 2296:34DY nidx=null]
 + Asterophilia Hanley, 1989 [ACCEPTED GENUS 2298:84LHX nidx=null]
Asteropteron
 - Asteropteron [ACCEPTED GENUS 2296:62DQB nidx=null]
 + Asteropteron Skogsberg, 1920 [ACCEPTED GENUS 2298:84L5R nidx=null]
Asteropterygion
 - Asteropterygion [ACCEPTED GENUS 2296:62DQC nidx=null]
 + Asteropterygion Kornicker, 1981 [ACCEPTED GENUS 2298:84L5S nidx=null]
Asteropus
 - Asteropus [ACCEPTED GENUS 2296:62DQD nidx=null]
 + Asteropus Sollas, 1888 [ACCEPTED GENUS 2298:84L5T nidx=null]
Asterositus
 - Asterositus [ACCEPTED GENUS 2296:62DPM nidx=null]
 + Asterositus Tanaka & Arai, 2017 [ACCEPTED GENUS 2298:84LHZ nidx=null]
Asterosmilia
 - Asterosmilia [ACCEPTED GENUS 2296:62DPN nidx=null]
 + Asterosmilia Duncan, 1867 [ACCEPTED GENUS 2298:84L5V nidx=null]
Asterospicularia
 - Asterospicularia [ACCEPTED GENUS 2296:62DQ2 nidx=null]
 + Asterospicularia Utinomi, 1951 [ACCEPTED GENUS 2298:84LJ3 nidx=null]
Astomus
 - Astomus [ACCEPTED GENUS 2296:34J4 nidx=null]
 + Astomus Jouin, 1979 [ACCEPTED GENUS 2298:84LJH nidx=null]
Astragalus alexandrii
 - Astragalus alexandrii Kharadze [SYNONYM SPECIES 2296:HW9G nidx=null parent=HWVB]
 + Astragalus alexandrii Kharadze [SYNONYM SPECIES 2298:84TPK nidx=null parent=HWVB]
Astragalus incanus subsp. macrorrhizus
 - Astragalus incanus subsp. macrorrhizus (Cav.) Lainz [SYNONYM SUBSPECIES 2296:7JCWN nidx=null parent=7JD8N]
 + Astragalus incanus subsp. macrorrhizus (Cav.) Lainz [SYNONYM SUBSPECIES 2298:84Z6V nidx=null parent=7JD8N]
Astragalus laxmanni
 - Astragalus laxmanni Nutt. [SYNONYM SPECIES 2296:HYQP nidx=null parent=HZPT]
 + Astragalus laxmanni Nutt. [SYNONYM SPECIES 2298:84JQC nidx=null parent=HZPT]
Astrangia
 - Astrangia [ACCEPTED GENUS 2296:62DRB nidx=null]
 + Astrangia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84L5Y nidx=null]
Astrea
 - Astrea [ACCEPTED GENUS 2296:34KB nidx=null]
 + Astrea Lamarck, 1801 [ACCEPTED GENUS 2298:84LJJ nidx=null]
Astreopora
 - Astreopora [ACCEPTED GENUS 2296:62DRD nidx=null]
 + Astreopora Blainville, 1830 [ACCEPTED GENUS 2298:84L5Z nidx=null]
Astreptoscolex
 - Astreptoscolex [ACCEPTED GENUS 2296:34KK nidx=null]
 + Astreptoscolex Thompson, 1979 [ACCEPTED GENUS 2298:84LJK nidx=null]
Astreptosyllis
 - Astreptosyllis [ACCEPTED GENUS 2296:34KL nidx=null]
 + Astreptosyllis Kudenov & Dorsey, 1982 [ACCEPTED GENUS 2298:84LJL nidx=null]
Astrocoenia
 - Astrocoenia [ACCEPTED GENUS 2296:34LH nidx=null]
 + Astrocoenia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84LJN nidx=null]
Astrocoeniidae
 - Astrocoeniidae [ACCEPTED FAMILY 2296:622TY nidx=null]
 + Astrocoeniidae Koby, 1890 [ACCEPTED FAMILY 2298:84JVB nidx=null]
Astrogorgia
 - Astrogorgia [ACCEPTED GENUS 2296:34M9 nidx=null]
 + Astrogorgia Verrill, 1868 [ACCEPTED GENUS 2298:84LJP nidx=null]
Astroides
 - Astroides [ACCEPTED GENUS 2296:34MD nidx=null]
 + Astroides Quoy & Gaimard, 1827 [ACCEPTED GENUS 2298:84L62 nidx=null]
Astromuricea
 - Astromuricea [ACCEPTED GENUS 2296:34MS nidx=null]
 + Astromuricea Germanos, 1895 [ACCEPTED GENUS 2298:84LJQ nidx=null]
Astrosclera
 - Astrosclera [ACCEPTED GENUS 2296:34NS nidx=null]
 + Astrosclera Lister, 1900 [ACCEPTED GENUS 2298:84L63 nidx=null]
Astroscleridae
 - Astroscleridae [ACCEPTED FAMILY 2296:6235B nidx=null]
 + Astroscleridae Lister, 1900 [ACCEPTED FAMILY 2298:84JVC nidx=null]
Astrotylus
 - Astrotylus [ACCEPTED GENUS 2296:34PJ nidx=null]
 + Astrotylus Plotkin & Janussen, 2007 [ACCEPTED GENUS 2298:84LJR nidx=null]
Asychis
 - Asychis [ACCEPTED GENUS 2296:34QY nidx=null]
 + Asychis Kinberg, 1867 [ACCEPTED GENUS 2298:84L65 nidx=null]
Asychis collariceps
 - Asychis collariceps (Augener, 1906) [ACCEPTED SPECIES 2296:J6KT nidx=null]
 + Asychis collariceps (Augener, 1906) [SYNONYM SPECIES 2298:84TPZ nidx=null parent=85DYX]
Asychis disparidentata
 - Asychis disparidentata (Moore, 1904) [ACCEPTED SPECIES 2296:687GP nidx=null]
 + Asychis disparidentata (Moore, 1904) [SYNONYM SPECIES 2298:84TF6 nidx=null parent=85DYY]
Asychis fimbriata
 - Asychis fimbriata (Treadwell, 1934) [ACCEPTED SPECIES 2296:J6KY nidx=null]
 + Asychis fimbriata (Treadwell, 1934) [SYNONYM SPECIES 2298:84TQ2 nidx=null parent=85DYZ]
Asychis shaccotanus
 - Asychis shaccotanus Uchida, 1968 [ACCEPTED SPECIES 2296:J6LB nidx=null]
 + Asychis shaccotanus Uchida, 1968 [SYNONYM SPECIES 2298:84TQ3 nidx=null parent=42DTQ]
Asychis similis
 - Asychis similis (Moore, 1906) [ACCEPTED SPECIES 2296:J6LC nidx=null]
 + Asychis similis (Moore, 1906) [SYNONYM SPECIES 2298:84TF7 nidx=null parent=85DQ3]
Asymmetricythere
 - Asymmetricythere [ACCEPTED GENUS 2296:34RK nidx=null]
 + Asymmetricythere Bassiouni, 1971 [ACCEPTED GENUS 2298:84LJV nidx=null]
Atemtanais
 - Atemtanais [ACCEPTED GENUS 2296:34WL nidx=null]
 + Atemtanais Bird, 2011 [ACCEPTED GENUS 2298:84LJX nidx=null]
Atergia
 - Atergia [ACCEPTED GENUS 2296:34X2 nidx=null]
 + Atergia Stephens, 1915 [ACCEPTED GENUS 2298:84L69 nidx=null]
Athamanta matthioli
 - Athamanta matthioli Wulfen [SYNONYM SPECIES 2296:J9NX nidx=null parent=7JCJW]
 + Athamanta matthioli Wulfen [SYNONYM SPECIES 2298:84TQ4 nidx=null parent=7JCJW]
Atherospio
 - Atherospio [ACCEPTED GENUS 2296:34ZF nidx=null]
 + Atherospio Mackie & Duff, 1986 [ACCEPTED GENUS 2298:84LK2 nidx=null]
Atjehella
 - Atjehella [ACCEPTED GENUS 2296:3543 nidx=null]
 + Atjehella Kingma, 1948 [ACCEPTED GENUS 2298:84LK5 nidx=null]
Atlantapseudes
 - Atlantapseudes [ACCEPTED GENUS 2296:354C nidx=null]
 + Atlantapseudes Bacescu, 1978 [ACCEPTED GENUS 2298:84L6H nidx=null]
Atlanticythere
 - Atlanticythere [ACCEPTED GENUS 2296:354P nidx=null]
 + Atlanticythere Benson, 1977 [ACCEPTED GENUS 2298:84LK8 nidx=null]
Atlantidrilus
 - Atlantidrilus [ACCEPTED GENUS 2296:354R nidx=null]
 + Atlantidrilus Erséus, 1982 [ACCEPTED GENUS 2298:84L6J nidx=null]
Atlantisella
 - Atlantisella [ACCEPTED GENUS 2296:354Y nidx=null]
 + Atlantisella Tabachnick, 2002 [ACCEPTED GENUS 2298:84L6K nidx=null]
Atolla
 - Atolla [ACCEPTED GENUS 2296:3568 nidx=null]
 + Atolla Haeckel, 1880 [ACCEPTED GENUS 2298:84L6L nidx=null]
Atolla bairdii
 - Atolla bairdii Fewkes, 1886 [SYNONYM SPECIES 2296:JH8M nidx=null parent=JH8V]
 + Atolla bairdii Fewkes, 1886 [ACCEPTED SPECIES 2298:84M7T nidx=null]
Atolla verrillii
 - Atolla verrillii Fewkes, 1885 [SYNONYM SPECIES 2296:688MJ nidx=null parent=JH8V]
 + Atolla verrillii Fewkes, 1886 [ACCEPTED SPECIES 2298:84M7X nidx=null]
Atollidae
 - Atollidae [ACCEPTED FAMILY 2296:6VX nidx=null]
 + Atollidae Hickson, 1906 [ACCEPTED FAMILY 2298:84JVD nidx=null]
Atorella
 - Atorella [ACCEPTED GENUS 2296:358P nidx=null]
 + Atorella Vanhöffen, 1902 [ACCEPTED GENUS 2298:84L6M nidx=null]
Atorellidae
 - Atorellidae [ACCEPTED FAMILY 2296:6W4 nidx=null]
 + Atorellidae Vanhöffen, 1902 [ACCEPTED FAMILY 2298:84JVF nidx=null]
Atrionemertes
 - Atrionemertes [ACCEPTED GENUS 2296:35CR nidx=null]
 + Atrionemertes Senz, 1993 [ACCEPTED GENUS 2298:84LKJ nidx=null]
Atyponemertes
 - Atyponemertes [ACCEPTED GENUS 2296:62DHS nidx=null]
 + Atyponemertes Friedrich, 1938 [ACCEPTED GENUS 2298:84LKR nidx=null]
Auchenoplax
 - Auchenoplax [ACCEPTED GENUS 2296:35K7 nidx=null]
 + Auchenoplax Ehlers, 1887 [ACCEPTED GENUS 2298:84L6P nidx=null]
Audouinia lamarckii
 - Audouinia lamarckii Quatrefages, 1866 [SYNONYM SPECIES 2296:67Y3D nidx=null parent=VGZM]
 + Audouinia lamarckii (Audouin & Milne Edwards, 1834) [SYNONYM SPECIES 2298:84TQV nidx=null parent=VGZM]
Auerbachia
 - Auerbachia [ACCEPTED GENUS 2296:35LB nidx=null]
 + Auerbachia Meglitsch, 1960 [ACCEPTED GENUS 2298:84LKY nidx=null]
Augeneria
 - Augeneria [ACCEPTED GENUS 2296:35LR nidx=null]
 + Augeneria Monro, 1930 [ACCEPTED GENUS 2298:84LKZ nidx=null]
Augeneriella
 - Augeneriella [ACCEPTED GENUS 2296:35LS nidx=null]
 + Augeneriella Banse, 1957 [ACCEPTED GENUS 2298:84L6Q nidx=null]
Augeneriella bansei
 - Augeneriella bansei Hartmann-Schröder, 1986 [ACCEPTED SPECIES 2296:JPYK nidx=null]
 + Augeneriella bansei Hartmann-Schröder, 1986 [SYNONYM SPECIES 2298:84TQX nidx=null parent=85FB9]
Augenerilepidonotus
 - Augenerilepidonotus [ACCEPTED GENUS 2296:35LT nidx=null]
 + Augenerilepidonotus Pettibone, 1995 [ACCEPTED GENUS 2298:84LL2 nidx=null]
Auletta
 - Auletta [ACCEPTED GENUS 2296:35RB nidx=null]
 + Auletta Schmidt, 1870 [ACCEPTED GENUS 2298:84L6V nidx=null]
Aulocalycidae
 - Aulocalycidae [ACCEPTED FAMILY 2296:6X5 nidx=null]
 + Aulocalycidae Ijima, 1927 [ACCEPTED FAMILY 2298:84JVG nidx=null]
Aulocalyx
 - Aulocalyx [ACCEPTED GENUS 2296:35RQ nidx=null]
 + Aulocalyx Schulze, 1886 [ACCEPTED GENUS 2298:84L6W nidx=null]
Aulocyathus
 - Aulocyathus [ACCEPTED GENUS 2296:35RX nidx=null]
 + Aulocyathus Marenzeller, 1904 [ACCEPTED GENUS 2298:84L6X nidx=null]
Aulocystidae
 - Aulocystidae [ACCEPTED FAMILY 2296:6X6 nidx=null]
 + Aulocystidae Sollas, 1887 [ACCEPTED FAMILY 2298:84JVH nidx=null]
Aulocystis zitteli
 - Aulocystis zitteli (Marshall & Meyer, 1877) [SYNONYM SPECIES 2296:JS8W nidx=null parent=746PM]
 + Aulocystis zitteli (Marshall & Meyer, 1877) [SYNONYM SPECIES 2298:84TFB nidx=null parent=746PM]
 + Aulocystis zitteli [ACCEPTED SPECIES 2298:84TFC nidx=null]
Aulodrilus
 - Aulodrilus [ACCEPTED GENUS 2296:35S2 nidx=null]
 + Aulodrilus Bretscher, 1899 [ACCEPTED GENUS 2298:84L72 nidx=null]
Aulophorus
 - Aulophorus [ACCEPTED GENUS 2296:35SS nidx=null]
 + Aulophorus Schmarda, 1861 [ACCEPTED GENUS 2298:84L74 nidx=null]
Aulophorus furcatus
 - Aulophorus furcatus (Oken, 1815) [ACCEPTED SPECIES 2296:JSSH nidx=null]
 + Aulophorus furcatus (Müller, 1774) [ACCEPTED SPECIES 2298:84TFD nidx=null]
Auloplacidae
 - Auloplacidae [ACCEPTED FAMILY 2296:6XB nidx=null]
 + Auloplacidae Schrammen, 1912 [ACCEPTED FAMILY 2298:84K29 nidx=null]
Auloplax
 - Auloplax [ACCEPTED GENUS 2296:35ST nidx=null]
 + Auloplax Schulze, 1904 [ACCEPTED GENUS 2298:84L75 nidx=null]
Aulorossella vanhoeffeni
 - Aulorossella vanhoeffeni Schulze & Kirkpatrick, 1910 [SYNONYM SPECIES 2296:67Y7H nidx=null parent=6WY7M]
 + Aulorossella vanhoeffeni Schulze & Kirkpatrick, 1910 [SYNONYM SPECIES 2298:84TR2 nidx=null parent=85TCL]
Aulosaccus
 - Aulosaccus [ACCEPTED GENUS 2296:35SZ nidx=null]
 + Aulosaccus Ijima, 1896 [ACCEPTED GENUS 2298:84L76 nidx=null]
Aulosaccus pinularis
 - Aulosaccus pinularis Okada, 1932 [SYNONYM SPECIES 2296:67Y7G nidx=null parent=5W9VG]
 + Aulosaccus pinularis Okada, 1932 [SYNONYM SPECIES 2298:84TR3 nidx=null parent=85SNP]
Aulospongus
 - Aulospongus [ACCEPTED GENUS 2296:62DJS nidx=null]
 + Aulospongus Norman, 1878 [ACCEPTED GENUS 2298:84L77 nidx=null]
Aurelia
 - Aurelia [ACCEPTED GENUS 2296:62DJK nidx=null]
 + Aurelia Lamarck, 1816 [ACCEPTED GENUS 2298:84L78 nidx=null]
Auricythere
 - Auricythere [ACCEPTED GENUS 2296:35VG nidx=null]
 + Auricythere Morais & Coimbra, 2014 [ACCEPTED GENUS 2298:84LL6 nidx=null]
Aurikirkbya
 - Aurikirkbya [ACCEPTED GENUS 2296:35VP nidx=null]
 + Aurikirkbya Sohn, 1950 [ACCEPTED GENUS 2298:84LL7 nidx=null]
Aurila
 - Aurila [ACCEPTED GENUS 2296:35VQ nidx=null]
 - Aurila [ACCEPTED SUBGENUS 2296:35VR nidx=null]
 + Aurila Pokorny, 1955 [ACCEPTED GENUS 2298:84L7B nidx=null]
Aurila (Aurila) abscisa
 - Aurila (Aurila) abscisa (Terquem, 1878) [ACCEPTED SPECIES 2296:JTYV nidx=null]
 + Aurila (Aurila) abscisa (Terquem, 1878) [SYNONYM SPECIES 2298:84TR5 nidx=null parent=JTZ6]
Aurosa
 - Aurosa [ACCEPTED GENUS 2296:35WP nidx=null]
 + Aurosa Haeckel, 1880 [ACCEPTED GENUS 2298:84L7C nidx=null]
Aurospio
 - Aurospio [ACCEPTED GENUS 2296:35WR nidx=null]
 + Aurospio Maciolek, 1981 [ACCEPTED GENUS 2298:84LLC nidx=null]
Australaugeneria
 - Australaugeneria [ACCEPTED GENUS 2296:35YD nidx=null]
 + Australaugeneria Pettibone, 1969 [ACCEPTED GENUS 2298:84L7K nidx=null]
Australicythere
 - Australicythere [ACCEPTED GENUS 2296:35YX nidx=null]
 + Australicythere Benson, 1964 [ACCEPTED GENUS 2298:84L7M nidx=null]
Australimoosella
 - Australimoosella [ACCEPTED GENUS 2296:35Z2 nidx=null]
 + Australimoosella Hartmann, 1978 [ACCEPTED GENUS 2298:84LLL nidx=null]
Australineus
 - Australineus [ACCEPTED GENUS 2296:35Z5 nidx=null]
 + Australineus Gibson, 1990 [ACCEPTED GENUS 2298:84LLM nidx=null]
Australisis
 - Australisis [ACCEPTED GENUS 2296:35ZJ nidx=null]
 + Australisis Bayer & Stefani, 1987 [ACCEPTED GENUS 2298:84LLN nidx=null]
Australobythere
 - Australobythere [ACCEPTED GENUS 2296:35ZW nidx=null]
 + Australobythere Yassini, Jones, King, Ayress & Dewi, 1995 [ACCEPTED GENUS 2298:84LLP nidx=null]
Australocyathus
 - Australocyathus [ACCEPTED GENUS 2296:362H nidx=null]
 + Australocyathus Cairns & Parker, 1992 [ACCEPTED GENUS 2298:84L7N nidx=null]
Australocytheridea
 - Australocytheridea [ACCEPTED GENUS 2296:362L nidx=null]
 + Australocytheridea McKenzie, 1967 [ACCEPTED GENUS 2298:84LLV nidx=null]
Australocytherideidae
 - Australocytherideidae [ACCEPTED FAMILY 2296:6XQ nidx=null]
 + Australocytherideidae Hartmann, 1980 [ACCEPTED FAMILY 2298:84K2C nidx=null]
Australoecia
 - Australoecia [ACCEPTED GENUS 2296:362V nidx=null]
 + Australoecia McKenzie, 1967 [ACCEPTED GENUS 2298:84LLX nidx=null]
Australogorgia
 - Australogorgia [ACCEPTED GENUS 2296:362Z nidx=null]
 + Australogorgia Cairns & Bayer, 2009 [ACCEPTED GENUS 2298:84LLY nidx=null]
Australogyra
 - Australogyra [ACCEPTED GENUS 2296:3633 nidx=null]
 + Australogyra Veron & Pichon, 1982 [ACCEPTED GENUS 2298:84L7P nidx=null]
Australoloxoconcha
 - Australoloxoconcha [ACCEPTED GENUS 2296:363B nidx=null]
 + Australoloxoconcha Hartmann, 1974 [ACCEPTED GENUS 2298:84LLZ nidx=null]
Australonereis
 - Australonereis [ACCEPTED GENUS 2296:363R nidx=null]
 + Australonereis Hartman, 1954 [ACCEPTED GENUS 2298:84LM2 nidx=null]
Australonoe
 - Australonoe [ACCEPTED GENUS 2296:363T nidx=null]
 + Australonoe Hanley, 1993 [ACCEPTED GENUS 2298:84LM3 nidx=null]
Australonuphis
 - Australonuphis [ACCEPTED GENUS 2296:62DL2 nidx=null]
 + Australonuphis Paxton, 1979 [ACCEPTED GENUS 2298:84L7R nidx=null]
Australophyllia
 - Australophyllia [ACCEPTED GENUS 2296:3649 nidx=null]
 + Australophyllia Benzoni & Arrigoni, 2016 [ACCEPTED GENUS 2298:84LM5 nidx=null]
Australospio
 - Australospio [ACCEPTED GENUS 2296:62DLT nidx=null]
 + Australospio Blake & Kudenov, 1978 [ACCEPTED GENUS 2298:84L7T nidx=null]
Austrinoecia
 - Austrinoecia [ACCEPTED GENUS 2296:366R nidx=null]
 + Austrinoecia Chavtur & Angel, 2011 [ACCEPTED GENUS 2298:84LM8 nidx=null]
Austroaurila
 - Austroaurila [ACCEPTED GENUS 2296:367B nidx=null]
 + Austroaurila Whatley, Chadwick, Coxill & Toy, 1987 [ACCEPTED GENUS 2298:84LM9 nidx=null]
Austrocythere
 - Austrocythere [ACCEPTED GENUS 2296:369V nidx=null]
 + Austrocythere Hartmann, 1989 [ACCEPTED GENUS 2298:84LMC nidx=null]
Austrocytheridea
 - Austrocytheridea [ACCEPTED GENUS 2296:369W nidx=null]
 + Austrocytheridea Whatley, Chadwick, Coxill & Toy, 1987 [ACCEPTED GENUS 2298:84LMD nidx=null]
Austrodecidae
 - Austrodecidae [ACCEPTED FAMILY 2296:6XX nidx=null]
 + Austrodecidae Stock, 1954 [ACCEPTED FAMILY 2298:84JVK nidx=null]
Austrodecus
 - Austrodecus [ACCEPTED GENUS 2296:62DLL nidx=null]
 + Austrodecus Hodgson, 1907 [ACCEPTED GENUS 2298:84L7W nidx=null]
Austrodecus breviceps
 - Austrodecus breviceps Hedgpeth, 1950 non-Gordon, 1938 [SYNONYM SPECIES 2296:67XFB nidx=null parent=JWCJ]
 + Austrodecus breviceps Hedgpeth, 1950 non-Gordon, 1938 [MISAPPLIED SPECIES 2298:84TFN nidx=null parent=JWCJ]
Austrolaenilla
 - Austrolaenilla [ACCEPTED GENUS 2296:36CH nidx=null]
 + Austrolaenilla Bergström, 1916 [ACCEPTED GENUS 2298:84L7Z nidx=null]
Austrolauthia spegazzinii
 - Austrolauthia spegazzinii Brethes, 1914 [ACCEPTED SPECIES 2296:JWVG nidx=null]
 + Austrolauthia spegazzinii Brethes, 1914 [ACCEPTED SPECIES 2298:84TR9 nidx=null]
Austropallene
 - Austropallene [ACCEPTED GENUS 2296:62DP3 nidx=null]
 + Austropallene Hodgson, 1915 [ACCEPTED GENUS 2298:84L84 nidx=null]
Austroparadoxostoma
 - Austroparadoxostoma [ACCEPTED GENUS 2296:62DP6 nidx=null]
 + Austroparadoxostoma Hartmann, 1979 [ACCEPTED GENUS 2298:84LMN nidx=null]
Austrophyllum
 - Austrophyllum [ACCEPTED GENUS 2296:36G4 nidx=null]
 + Austrophyllum Bergström, 1914 [ACCEPTED GENUS 2298:84L85 nidx=null]
Austropolaria magnicirrata
 - Austropolaria magnicirrata Neal, Barnich, Wiklund & Glover, 2012 [ACCEPTED SPECIES 2296:689GV nidx=null]
 + Austropolaria magnicirrata Neal, Barnich, Wiklund & Glover, 2012 [SYNONYM SPECIES 2298:84TRC nidx=null parent=85DPH]
Austroprostoma
 - Austroprostoma [ACCEPTED GENUS 2296:36GL nidx=null]
 + Austroprostoma Stiasny-Wijnhoff, 1942 [ACCEPTED GENUS 2298:84LMP nidx=null]
Austroraptus
 - Austroraptus [ACCEPTED GENUS 2296:36GX nidx=null]
 + Austroraptus Hodgson, 1907 [ACCEPTED GENUS 2298:84L86 nidx=null]
Austrotanais
 - Austrotanais [ACCEPTED GENUS 2296:36JD nidx=null]
 + Austrotanais Edgar, 2008 [ACCEPTED GENUS 2298:84LMQ nidx=null]
Austrotrachyleberis
 - Austrotrachyleberis [ACCEPTED GENUS 2296:36JY nidx=null]
 + Austrotrachyleberis Hartmann, 1988 [ACCEPTED GENUS 2298:84LMR nidx=null]
Aversovalva
 - Aversovalva [ACCEPTED GENUS 2296:36PG nidx=null]
 + Aversovalva Hornibrook, 1952 [ACCEPTED GENUS 2298:84LMX nidx=null]
Aviatanais
 - Aviatanais [ACCEPTED GENUS 2296:36PR nidx=null]
 + Aviatanais Bamber, 2005 [ACCEPTED GENUS 2298:84LMY nidx=null]
Awhiowhio
 - Awhiowhio [ACCEPTED GENUS 2296:36RD nidx=null]
 + Awhiowhio Kelly, 2007 [ACCEPTED GENUS 2298:84LMZ nidx=null]
Axechina
 - Axechina [ACCEPTED GENUS 2296:36RL nidx=null]
 + Axechina Hentschel, 1912 [ACCEPTED GENUS 2298:84L89 nidx=null]
Axelheibergella
 - Axelheibergella [ACCEPTED GENUS 2296:36RP nidx=null]
 + Axelheibergella Briggs, 1997 [ACCEPTED GENUS 2298:84LN2 nidx=null]
Axinella
 - Axinella [ACCEPTED GENUS 2296:36SH nidx=null]
 + Axinella Schmidt, 1862 [ACCEPTED GENUS 2298:84L8B nidx=null]
Axinella axifera
 - Axinella axifera Hentschel, 1912 [SYNONYM SPECIES 2296:K3SG nidx=null parent=SPGB]
 + Axinella axifera Hentschel, 1912 [SYNONYM SPECIES 2298:84TRG nidx=null parent=85SMW]
Axinella pumila
 - Axinella pumila Babiç, 1922 [ACCEPTED SPECIES 2296:K3VW nidx=null]
 + Axinella pumila Babiç, 1922 [AMBIGUOUS_SYNONYM SPECIES 2298:84TRH nidx=null parent=K3V7]
Axinellida
 - Axinellida [ACCEPTED ORDER 2296:62296 nidx=null]
 + Axinellida Lévi, 1953 [ACCEPTED ORDER 2298:84JTY nidx=null]
Axinellidae
 - Axinellidae [ACCEPTED FAMILY 2296:6YG nidx=null]
 + Axinellidae Carter, 1875 [ACCEPTED FAMILY 2298:84JVL nidx=null]
Axinyssa
 - Axinyssa [ACCEPTED GENUS 2296:36SZ nidx=null]
 + Axinyssa Lendenfeld, 1897 [ACCEPTED GENUS 2298:84L8C nidx=null]
Axiokebuita
 - Axiokebuita [ACCEPTED GENUS 2296:36T8 nidx=null]
 + Axiokebuita Pocklington & Fournier, 1987 [ACCEPTED GENUS 2298:84LN4 nidx=null]
Axionice
 - Axionice [ACCEPTED GENUS 2296:36TF nidx=null]
 + Axionice Malmgren, 1866 [ACCEPTED GENUS 2298:84L8D nidx=null]
Axiothella
 - Axiothella [ACCEPTED GENUS 2296:36TN nidx=null]
 + Axiothella Verrill, 1900 [ACCEPTED GENUS 2298:84L8F nidx=null]
Axoniderma mirabile
 - Axoniderma mirabile (Ridley & Dendy, 1886) [SYNONYM SPECIES 2296:67YZ2 nidx=null parent=VPVH]
 + Axoniderma mirabile (Ridley & Dendy, 1886) [ACCEPTED SPECIES 2298:84TRJ nidx=null]
Axos
 - Axos [ACCEPTED GENUS 2296:62FFW nidx=null]
 + Axos Gray, 1867 [ACCEPTED GENUS 2298:84L8H nidx=null]
Ayressoleberis
 - Ayressoleberis [ACCEPTED GENUS 2296:36VG nidx=null]
 + Ayressoleberis Brandão & Yasuhara, 2013 [ACCEPTED GENUS 2298:84LN6 nidx=null]
Aysegulina
 - Aysegulina [ACCEPTED GENUS 2296:36VK nidx=null]
 + Aysegulina Özdikmen, 2010 [ACCEPTED GENUS 2298:84LN7 nidx=null]
Azoricidae
 - Azoricidae [ACCEPTED FAMILY 2296:622TK nidx=null]
 + Azoricidae Sollas, 1888 [ACCEPTED FAMILY 2298:84JVM nidx=null]
Azoriella
 - Azoriella [ACCEPTED GENUS 2296:36XD nidx=null]
 + Azoriella (López-González & Gili, 2001) [ACCEPTED GENUS 2298:84LN8 nidx=null]
Azygocypridina
 - Azygocypridina [ACCEPTED GENUS 2296:36YS nidx=null]
 + Azygocypridina Sylvester-Bradley, 1950 [ACCEPTED GENUS 2298:84LN9 nidx=null]
Baccharis hieraciifolia
 - Baccharis hieraciifolia Hemsl. [SYNONYM SPECIES 2296:K79T nidx=null parent=6826B]
 + Baccharis hieraciifolia Hemsl. [SYNONYM SPECIES 2298:84TRK nidx=null parent=6826B]
Bacescapseudes
 - Bacescapseudes [ACCEPTED GENUS 2296:3736 nidx=null]
 + Bacescapseudes Gutu, 1981 [ACCEPTED GENUS 2298:84L8M nidx=null]
Baerida
 - Baerida [ACCEPTED ORDER 2296:SG nidx=null]
 + Baerida Borojevic, Boury-Esnault & Vacelet, 2000 [ACCEPTED ORDER 2298:84JPK nidx=null]
Baeriidae
 - Baeriidae [ACCEPTED FAMILY 2296:6ZF nidx=null]
 + Baeriidae Borojevic, Boury-Esnault & Vacelet, 2000 [ACCEPTED FAMILY 2298:84JVN nidx=null]
Baeturia beccarii
 - Baeturia beccarii Distant, 1892 [MISAPPLIED SPECIES 2296:KD62 nidx=null parent=64WFJ]
 + Baeturia beccarii Distant, 1888 [AMBIGUOUS_SYNONYM SPECIES 2298:84TRQ nidx=null parent=44HS2]
 + Baeturia beccarii Distant, 1892 [MISAPPLIED SPECIES 2298:84TRR nidx=null parent=64WFJ]
Baffinia
 - Baffinia [ACCEPTED GENUS 2296:62FJS nidx=null]
 + Baffinia Wesenberg-Lund, 1950 [ACCEPTED GENUS 2298:84LNP nidx=null]
Baffinicythere
 - Baffinicythere [ACCEPTED GENUS 2296:62FK4 nidx=null]
 + Baffinicythere Hazel, 1967 [ACCEPTED GENUS 2298:84L8Q nidx=null]
Baikalodrilus
 - Baikalodrilus [ACCEPTED GENUS 2296:37DT nidx=null]
 + Baikalodrilus Holmquist, 1978 [ACCEPTED GENUS 2298:84LNW nidx=null]
Baikalodrilus discolor acinacifer
 - Baikalodrilus discolor acinacifer Snimschikova, 1984 [ACCEPTED INFRASPECIFIC_NAME 2296:7GM5L nidx=null]
 + Baikalodrilus discolor acinacifer Snimschikova, 1984 [SYNONYM SUBSPECIES 2298:852NW nidx=null parent=7GM5M]
Baikalodrilus multicrystallifer
 - Baikalodrilus multicrystallifer Snimschikova, 1989 [ACCEPTED SPECIES 2296:5WB2S nidx=null]
 + Baikalodrilus multicrystallifer Snimschikova, 1989 [SYNONYM SPECIES 2298:84TRV nidx=null parent=68B2T]
Baikalodrilus scaphoideus
 - Baikalodrilus scaphoideus Snimschikova, 1989 [ACCEPTED SPECIES 2296:5WB2R nidx=null]
 + Baikalodrilus scaphoideus Snimschikova, 1989 [SYNONYM SPECIES 2298:84TRW nidx=null parent=5WB34]
Baikalodrilus solitarius
 - Baikalodrilus solitarius (Snimschikova, 1982) [ACCEPTED SPECIES 2296:5WB33 nidx=null]
 + Baikalodrilus solitarius (Snimschikova, 1982) [SYNONYM SPECIES 2298:84TRX nidx=null parent=68B2T]
Baikalodrilus undatus
 - Baikalodrilus undatus Snimschikova, 1989 [ACCEPTED SPECIES 2296:68B2R nidx=null]
 + Baikalodrilus undatus Snimschikova, 1989 [SYNONYM SPECIES 2298:84TRY nidx=null parent=5WB34]
Baikalospongia
 - Baikalospongia [ACCEPTED GENUS 2296:37DX nidx=null]
 + Baikalospongia Annandale, 1914 [ACCEPTED GENUS 2298:84L8S nidx=null]
Bairdia
 - Bairdia [ACCEPTED GENUS 2296:62FKM nidx=null]
 + Bairdia M'Coy, 1844 [ACCEPTED GENUS 2298:84L8W nidx=null]
Bairdia amygdaloides
 - Bairdia amygdaloides Brady, 1880 [ACCEPTED SPECIES 2296:68B5B nidx=null]
 + Bairdia amygdaloides Brady, 1880 [SYNONYM SPECIES 2298:84TRZ nidx=null parent=84ZGF]
Bairdia angulata
 - Bairdia angulata (Brady, 1870) [SYNONYM SPECIES 2296:5WB6H nidx=null parent=DKPR]
 + Bairdia angulata Brady, 1870 [AMBIGUOUS_SYNONYM SPECIES 2298:84TG3 nidx=null parent=7579H]
 + Bairdia angulata Posner, 1951 [AMBIGUOUS_SYNONYM SPECIES 2298:84TG4 nidx=null parent=85KPB]
 + Bairdia angulata Coryell & Sample, 1932 [AMBIGUOUS_SYNONYM SPECIES 2298:84TG5 nidx=null parent=85SGF]
Bairdia attenuata
 - Bairdia attenuata Brady, 1880 [SYNONYM SPECIES 2296:68B6G nidx=null parent=4D5Z2]
 + Bairdia attenuata Girty, 1910 [ACCEPTED SPECIES 2298:84TG6 nidx=null]
Bairdiidae
 - Bairdiidae [ACCEPTED FAMILY 2296:6ZN nidx=null]
 + Bairdiidae Sars, 1865 [ACCEPTED FAMILY 2298:84JVR nidx=null]
Bairdioidea
 - Bairdioidea [ACCEPTED SUPERFAMILY 2296:6239F nidx=null]
 + Bairdioidea Sars, 1865 [ACCEPTED SUPERFAMILY 2298:84JS2 nidx=null]
Bairdoppilata
 - Bairdoppilata [ACCEPTED GENUS 2296:62FKP nidx=null]
 + Bairdoppilata Coryell, Sample & Jennings, 1935 [ACCEPTED GENUS 2298:84L8Y nidx=null]
Bairdoppilata angulata
 - Bairdoppilata angulata (Brady, 1870) [SYNONYM SPECIES 2296:5WB79 nidx=null parent=DKPR]
 + Bairdoppilata angulata (Brady, 1870) [SYNONYM SPECIES 2298:84TS5 nidx=null parent=7579H]
Balaenanemertes
 - Balaenanemertes [ACCEPTED GENUS 2296:37GW nidx=null]
 + Balaenanemertes Bürger, 1909 [ACCEPTED GENUS 2298:84LNZ nidx=null]
Balanocephalus pellucidus
 - Balanocephalus pellucidus [SYNONYM SPECIES 2296:KFSM nidx=null parent=68CTZ]
 + Balanocephalus pellucidus Kennel, 1891 [SYNONYM SPECIES 2298:84TS7 nidx=null parent=68CTZ]
Balanophyllia
 - Balanophyllia [ACCEPTED GENUS 2296:37J4 nidx=null]
 + Balanophyllia Wood, 1844 [ACCEPTED GENUS 2298:84L8Z nidx=null]
Balanopsammia
 - Balanopsammia [ACCEPTED GENUS 2296:37J8 nidx=null]
 + Balanopsammia Ocana & Brito, 2013 [ACCEPTED GENUS 2298:84LP2 nidx=null]
Baldia
 - Baldia [ACCEPTED GENUS 2296:37KV nidx=null]
 + Baldia Garwood & Bamber, 1988 [ACCEPTED GENUS 2298:84LP4 nidx=null]
Balionemertes
 - Balionemertes [ACCEPTED GENUS 2296:37M7 nidx=null]
 + Balionemertes Sundberg, Gibson & Olsson, 2003 [ACCEPTED GENUS 2298:84LP5 nidx=null]
Balliviaspongia
 - Balliviaspongia [ACCEPTED GENUS 2296:37P4 nidx=null]
 + Balliviaspongia Boury-Esnault & Volkmer-Ribeiro, 1991 [ACCEPTED GENUS 2298:84L94 nidx=null]
Baltichaeta
 - Baltichaeta [ACCEPTED GENUS 2296:37QY nidx=null]
 + Baltichaeta Slater, Harvey, Guilbaud & Butterfield, 2016 [ACCEPTED GENUS 2298:84LPK nidx=null]
Baltidrilus
 - Baltidrilus [ACCEPTED GENUS 2296:62FCM nidx=null]
 + Baltidrilus Timm, 2013 [ACCEPTED GENUS 2298:84L97 nidx=null]
Bamberene
 - Bamberene [ACCEPTED GENUS 2296:37S3 nidx=null]
 + Bamberene Staples, 2014 [ACCEPTED GENUS 2298:84L98 nidx=null]
Bamberus
 - Bamberus [ACCEPTED GENUS 2296:37S4 nidx=null]
 + Bamberus Stępień & Błażewicz-Paszkowycz, 2013 [ACCEPTED GENUS 2298:84LPL nidx=null]
Bango
 - Bango [ACCEPTED GENUS 2296:62F4B nidx=null]
 + Bango Bamber, 2004 [ACCEPTED GENUS 2298:84L99 nidx=null]
Bansella
 - Bansella [ACCEPTED GENUS 2296:37VZ nidx=null]
 + Bansella Fitzhugh, 2010 [ACCEPTED GENUS 2298:84LPN nidx=null]
Bantamia
 - Bantamia [ACCEPTED GENUS 2296:37W3 nidx=null]
 + Bantamia Yabe & Eguchi, 1943 [ACCEPTED GENUS 2298:84LPP nidx=null]
Barantolla
 - Barantolla [ACCEPTED GENUS 2296:37XT nidx=null]
 + Barantolla Southern, 1921 [ACCEPTED GENUS 2298:84L9B nidx=null]
Barapseudia
 - Barapseudia [ACCEPTED GENUS 2296:62F45 nidx=null]
 + Barapseudia Quayle, 2016 [ACCEPTED GENUS 2298:84LPR nidx=null]
Barbidrilus
 - Barbidrilus [ACCEPTED GENUS 2296:37ZQ nidx=null]
 + Barbidrilus Loden & Locy, 1980 [ACCEPTED GENUS 2298:84L9C nidx=null]
Barrukia
 - Barrukia [ACCEPTED GENUS 2296:3887 nidx=null]
 + Barrukia Bergström, 1916 [ACCEPTED GENUS 2298:84L9H nidx=null]
Barryjamiesonia
 - Barryjamiesonia [ACCEPTED GENUS 2296:62F53 nidx=null]
 + Barryjamiesonia Ljunström, 1971 [ACCEPTED GENUS 2298:84L9J nidx=null]
Bascestus
 - Bascestus [ACCEPTED GENUS 2296:38CQ nidx=null]
 + Bascestus Błażewicz-Paszkowycz & Bamber, 2012 [ACCEPTED GENUS 2298:84LQC nidx=null]
Baseodiscus
 - Baseodiscus [ACCEPTED GENUS 2296:38CY nidx=null]
 + Baseodiscus Diesing, 1850 [ACCEPTED GENUS 2298:84L9M nidx=null]
Baseodiscus caeca
 - Baseodiscus caeca [SYNONYM SPECIES 2296:68D72 nidx=null parent=4KXLJ]
 + Baseodiscus caeca (Chapuis, 1886) [SYNONYM SPECIES 2298:84TT4 nidx=null parent=4KXLJ]
Baseodiscus insignis
 - Baseodiscus insignis [SYNONYM SPECIES 2296:68D66 nidx=null parent=5WCTV]
 + Baseodiscus insignis Punnett & Cooper, 1909 [SYNONYM SPECIES 2298:84TT5 nidx=null parent=5WCTV]
Baseodiscus mediolineatus
 - Baseodiscus mediolineatus [SYNONYM SPECIES 2296:68D65 nidx=null parent=68D67]
 + Baseodiscus mediolineatus Bürger, 1893 [SYNONYM SPECIES 2298:84TT6 nidx=null parent=68D67]
Baseodiscus mexicanum
 - Baseodiscus mexicanum [SYNONYM SPECIES 2296:5WD5S nidx=null parent=5WCTS]
 + Baseodiscus mexicanum ? [SYNONYM SPECIES 2298:84TT8 nidx=null parent=84TT7]
Baseodiscus mexicanus
 - Baseodiscus mexicanus (Bürger, 1893) [ACCEPTED SPECIES 2296:5WCTS nidx=null]
 + Baseodiscus mexicanus (Bürger, 1893) [ACCEPTED SPECIES 2298:84TT7 nidx=null]
Baseodiscus ophiocephalus
 - Baseodiscus ophiocephalus [SYNONYM SPECIES 2296:5WCTZ nidx=null parent=39JVV]
 + Baseodiscus ophiocephalus ? [SYNONYM SPECIES 2298:84TT9 nidx=null parent=39JVV]
Basslerites
 - Basslerites [ACCEPTED GENUS 2296:38GC nidx=null]
 + Basslerites Teichert, 1937 [PROVISIONALLY_ACCEPTED GENUS 2298:84L9N nidx=null]
 + Basslerites Howe in Coryell & Fields, 1937 [PROVISIONALLY_ACCEPTED GENUS 2298:84L9P nidx=null]
Bassoleptochelia
 - Bassoleptochelia [ACCEPTED GENUS 2296:38GF nidx=null]
 + Bassoleptochelia Błażewicz-Paszkowycz & Bamber, 2012 [ACCEPTED GENUS 2298:84LQD nidx=null]
Bathelia
 - Bathelia [ACCEPTED GENUS 2296:38HR nidx=null]
 + Bathelia Moseley, 1880 [ACCEPTED GENUS 2298:84L9Q nidx=null]
Bathyadmetella
 - Bathyadmetella [ACCEPTED GENUS 2296:38JM nidx=null]
 + Bathyadmetella Pettibone, 1967 [ACCEPTED GENUS 2298:84L9R nidx=null]
Bathyalcyon
 - Bathyalcyon [ACCEPTED GENUS 2296:38JQ nidx=null]
 + Bathyalcyon Versluys, 1906 [ACCEPTED GENUS 2298:84LQH nidx=null]
Bathyasychis
 - Bathyasychis [ACCEPTED GENUS 2296:38K3 nidx=null]
 + Bathyasychis Detinova, 1982 [ACCEPTED GENUS 2298:84LQJ nidx=null]
Bathybahamas
 - Bathybahamas [ACCEPTED GENUS 2296:38K9 nidx=null]
 + Bathybahamas Pettibone, 1985 [ACCEPTED GENUS 2298:84LQL nidx=null]
Bathycanadia
 - Bathycanadia [ACCEPTED GENUS 2296:38KT nidx=null]
 + Bathycanadia Levenstein, 1981 [ACCEPTED GENUS 2298:84LQN nidx=null]
Bathycatalina
 - Bathycatalina [ACCEPTED GENUS 2296:38KV nidx=null]
 + Bathycatalina Pettibone, 1976 [ACCEPTED GENUS 2298:84LQP nidx=null]
Bathychloeia
 - Bathychloeia [ACCEPTED GENUS 2296:38L6 nidx=null]
 + Bathychloeia Horst, 1910 [ACCEPTED GENUS 2298:84LQQ nidx=null]
Bathyconchoecia
 - Bathyconchoecia [ACCEPTED GENUS 2296:38LD nidx=null]
 + Bathyconchoecia Deevey, 1968 [ACCEPTED GENUS 2298:84L9S nidx=null]
Bathyconchoecia lacunosa
 - Bathyconchoecia lacunosa Müller, G.W., 1906 [ACCEPTED SPECIES 2296:KWSN nidx=null]
 + Bathyconchoecia lacunosa Müller G.W., 1906 [ACCEPTED SPECIES 2298:84THQ nidx=null]
Bathycyathus
 - Bathycyathus [ACCEPTED GENUS 2296:38LP nidx=null]
 + Bathycyathus Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84L9T nidx=null]
Bathycythere
 - Bathycythere [ACCEPTED GENUS 2296:38LR nidx=null]
 + Bathycythere Sissingh, 1971 [ACCEPTED GENUS 2298:84LQR nidx=null]
Bathyditrupa
 - Bathyditrupa [ACCEPTED GENUS 2296:38LV nidx=null]
 + Bathyditrupa Kupriyanova, 1993 [ACCEPTED GENUS 2298:84LQS nidx=null]
Bathydorus
 - Bathydorus [ACCEPTED GENUS 2296:38LY nidx=null]
 + Bathydorus Schulze, 1886 [ACCEPTED GENUS 2298:84L9V nidx=null]
Bathydrilus
 - Bathydrilus [ACCEPTED GENUS 2296:38M3 nidx=null]
 + Bathydrilus Cook, 1970 [ACCEPTED GENUS 2298:84L9W nidx=null]
Bathyedithia
 - Bathyedithia [ACCEPTED GENUS 2296:38M5 nidx=null]
 + Bathyedithia Pettibone, 1976 [ACCEPTED GENUS 2298:84LQT nidx=null]
Bathyeliasona
 - Bathyeliasona [ACCEPTED GENUS 2296:38M6 nidx=null]
 + Bathyeliasona Pettibone, 1976 [ACCEPTED GENUS 2298:84LQV nidx=null]
Bathyfauvelia
 - Bathyfauvelia [ACCEPTED GENUS 2296:38MB nidx=null]
 + Bathyfauvelia Pettibone, 1976 [ACCEPTED GENUS 2298:84LQW nidx=null]
Bathyglycinde
 - Bathyglycinde [ACCEPTED GENUS 2296:38MG nidx=null]
 + Bathyglycinde Fauchald, 1972 [ACCEPTED GENUS 2298:84LQX nidx=null]
Bathygorgia
 - Bathygorgia [ACCEPTED GENUS 2296:38MN nidx=null]
 + Bathygorgia Wright, 1885 [ACCEPTED GENUS 2298:84LQY nidx=null]
Bathyhololepidella
 - Bathyhololepidella [ACCEPTED GENUS 2296:38MT nidx=null]
 + Bathyhololepidella Buzhinskaya, 1992 [ACCEPTED GENUS 2298:84LQZ nidx=null]
Bathykermadeca
 - Bathykermadeca [ACCEPTED GENUS 2296:38MV nidx=null]
 + Bathykermadeca Pettibone, 1976 [ACCEPTED GENUS 2298:84LR2 nidx=null]
Bathykurila
 - Bathykurila [ACCEPTED GENUS 2296:38MX nidx=null]
 + Bathykurila Pettibone, 1976 [ACCEPTED GENUS 2298:84LR3 nidx=null]
Bathyleberis
 - Bathyleberis [ACCEPTED GENUS 2296:62F89 nidx=null]
 + Bathyleberis Kornicker, 1975 [ACCEPTED GENUS 2298:84L9X nidx=null]
Bathyleberis toxotes
 - Bathyleberis toxotes Kornicker, 1986 [ACCEPTED SPECIES 2296:KX8D nidx=null]
 + Bathyleberis toxotes Kornicker, 1986 [SYNONYM SPECIES 2298:84THR nidx=null parent=7FWCD]
Bathyleptochelia
 - Bathyleptochelia [ACCEPTED GENUS 2296:38ND nidx=null]
 + Bathyleptochelia Larsen, 2003 [ACCEPTED GENUS 2298:84LR5 nidx=null]
Bathylevensteina
 - Bathylevensteina [ACCEPTED GENUS 2296:62F7Y nidx=null]
 + Bathylevensteina Pettibone, 1976 [ACCEPTED GENUS 2298:84LR6 nidx=null]
Bathymacella
 - Bathymacella [ACCEPTED GENUS 2296:38NM nidx=null]
 + Bathymacella Pettibone, 1976 [ACCEPTED GENUS 2298:84LR7 nidx=null]
Bathymariana
 - Bathymariana [ACCEPTED GENUS 2296:38NQ nidx=null]
 + Bathymariana Levenstein, 1978 [ACCEPTED GENUS 2298:84LR8 nidx=null]
Bathymiranda
 - Bathymiranda [ACCEPTED GENUS 2296:62F7Z nidx=null]
 + Bathymiranda Levenstein, 1981 [ACCEPTED GENUS 2298:84LR9 nidx=null]
Bathymoorea
 - Bathymoorea [ACCEPTED GENUS 2296:38NX nidx=null]
 + Bathymoorea Pettibone, 1967 [ACCEPTED GENUS 2298:84L9Y nidx=null]
Bathynemertes
 - Bathynemertes [ACCEPTED GENUS 2296:38P9 nidx=null]
 + Bathynemertes Laidlaw, 1906 [ACCEPTED GENUS 2298:84LRB nidx=null]
Bathynocythere
 - Bathynocythere [ACCEPTED GENUS 2296:62F9B nidx=null]
 + Bathynocythere Malz & Jellinek, 1994 [ACCEPTED GENUS 2298:84LRC nidx=null]
Bathynoe
 - Bathynoe [ACCEPTED GENUS 2296:38PB nidx=null]
 + Bathynoe Ditlevsen, 1917 [ACCEPTED GENUS 2298:84LRD nidx=null]
Bathynotalia
 - Bathynotalia [ACCEPTED GENUS 2296:38PD nidx=null]
 + Bathynotalia Levenstein, 1982 [ACCEPTED GENUS 2298:84LRF nidx=null]
Bathynotopygos
 - Bathynotopygos [ACCEPTED GENUS 2296:62F9C nidx=null]
 + Bathynotopygos Kucheruk, 1981 [ACCEPTED GENUS 2298:84LRG nidx=null]
Bathypallenopsis
 - Bathypallenopsis [ACCEPTED GENUS 2296:38PP nidx=null]
 + Bathypallenopsis Stock, 1975 [ACCEPTED GENUS 2298:84LB2 nidx=null]
Bathypallenopsis mollissima
 - Bathypallenopsis mollissima (Hedgpeth, 1949) non- (Hoek, 1881) [SYNONYM SPECIES 2296:KXFK nidx=null parent=KXFT]
 - Bathypallenopsis mollissima (Fage, 1956) non- (Hoek, 1881) [SYNONYM SPECIES 2296:KXFM nidx=null parent=KXF6]
 - Bathypallenopsis mollissima (Schimkewitsch, 1893) non- (Hoek, 1881) [SYNONYM SPECIES 2296:KXFN nidx=null parent=KXFH]
 + Bathypallenopsis mollissima (Fage, 1956) non- (Hoek, 1881) [MISAPPLIED SPECIES 2298:84THS nidx=null parent=KXF6]
 + Bathypallenopsis mollissima (Schimkewitsch, 1893) non- (Hoek, 1881) [MISAPPLIED SPECIES 2298:84THT nidx=null parent=KXFH]
 + Bathypallenopsis mollissima (Hedgpeth, 1949) non- (Hoek, 1881) [MISAPPLIED SPECIES 2298:84THV nidx=null parent=KXFT]
Bathypallenopsis oscitans
 - Bathypallenopsis oscitans (Barnard, 1954) non- (Hoek, 1881) [SYNONYM SPECIES 2296:KXFQ nidx=null parent=5WDYS]
 + Bathypallenopsis oscitans (Barnard, 1954) non- (Hoek, 1881) [MISAPPLIED SPECIES 2298:84THW nidx=null parent=5WDYS]
Bathypolaria
 - Bathypolaria [ACCEPTED GENUS 2296:38QB nidx=null]
 + Bathypolaria Levenstein, 1981 [ACCEPTED GENUS 2298:84LRK nidx=null]
Bathypsammia
 - Bathypsammia [ACCEPTED GENUS 2296:38QK nidx=null]
 + Bathypsammia Marenzeller, 1907 [ACCEPTED GENUS 2298:84LB3 nidx=null]
Bathysabellaria
 - Bathysabellaria [ACCEPTED GENUS 2296:38QW nidx=null]
 + Bathysabellaria Lechapt & Gruet, 1993 [ACCEPTED GENUS 2298:84LRN nidx=null]
Bathytanais
 - Bathytanais [ACCEPTED GENUS 2296:38RV nidx=null]
 + Bathytanais Beddard, 1886 [ACCEPTED GENUS 2298:84LB4 nidx=null]
Bathytanaissus
 - Bathytanaissus [ACCEPTED GENUS 2296:38RW nidx=null]
 + Bathytanaissus Bird & Holdich, 1989 [ACCEPTED GENUS 2298:84LRR nidx=null]
Bathytasmania
 - Bathytasmania [ACCEPTED GENUS 2296:38RX nidx=null]
 + Bathytasmania Levenstein, 1982 [ACCEPTED GENUS 2298:84LRS nidx=null]
Bathytelesto
 - Bathytelesto [ACCEPTED GENUS 2296:38RY nidx=null]
 + Bathytelesto Bayer, 1981 [ACCEPTED GENUS 2298:84LRT nidx=null]
Bathyvargula
 - Bathyvargula [ACCEPTED GENUS 2296:38SK nidx=null]
 + Bathyvargula Poulsen, 1962 [ACCEPTED GENUS 2298:84LB5 nidx=null]
Bathyvermilia
 - Bathyvermilia [ACCEPTED GENUS 2296:38SL nidx=null]
 + Bathyvermilia Zibrowius, 1973 [ACCEPTED GENUS 2298:84LRV nidx=null]
Bathyvitiazia
 - Bathyvitiazia [ACCEPTED GENUS 2296:38SM nidx=null]
 + Bathyvitiazia Pettibone, 1976 [ACCEPTED GENUS 2298:84LRW nidx=null]
Bathyxiphus
 - Bathyxiphus [ACCEPTED GENUS 2296:38SN nidx=null]
 + Bathyxiphus Schulze, 1899 [ACCEPTED GENUS 2298:84LB6 nidx=null]
Bathyzetes
 - Bathyzetes [ACCEPTED GENUS 2296:38SQ nidx=null]
 + Bathyzetes Stock, 1955 [ACCEPTED GENUS 2298:84LB7 nidx=null]
Batzella
 - Batzella [ACCEPTED GENUS 2296:62F39 nidx=null]
 + Batzella Topsent, 1893 [ACCEPTED GENUS 2298:84LB9 nidx=null]
Bayergorgia
 - Bayergorgia [ACCEPTED GENUS 2296:38YP nidx=null]
 + Bayergorgia Williams & Lopez-Gonzalez, 2005 [ACCEPTED GENUS 2298:84LRZ nidx=null]
Bayerpolynoe
 - Bayerpolynoe [ACCEPTED GENUS 2296:38YT nidx=null]
 + Bayerpolynoe Pettibone, 1991 [ACCEPTED GENUS 2298:84LS2 nidx=null]
Bayerxenia
 - Bayerxenia [ACCEPTED GENUS 2296:38YV nidx=null]
 + Bayerxenia Alderslade, 2001 [ACCEPTED GENUS 2298:84LS3 nidx=null]
Bebryce
 - Bebryce [ACCEPTED GENUS 2296:393H nidx=null]
 + Bebryce Philippi, 1841 [ACCEPTED GENUS 2298:84LBF nidx=null]
Begonia johnstoni
 - Begonia johnstoni Oliv. [SYNONYM SPECIES 2296:7SG36 nidx=null parent=7SG37]
 + Begonia johnstoni Oliv. [SYNONYM SPECIES 2298:84VFL nidx=null parent=7SG37]
Begonia schmidti
 - Begonia schmidti Hort. ex Wien. [SYNONYM SPECIES 2296:7SHFF nidx=null parent=7SHNS]
 + Begonia schmidti Hort. ex Wien. [SYNONYM SPECIES 2298:84VXQ nidx=null parent=7SHNS]
Bellonella
 - Bellonella [ACCEPTED GENUS 2296:39B4 nidx=null]
 + Bellonella Gray, 1862 [ACCEPTED GENUS 2298:84LBQ nidx=null]
Bengalus
 - Bengalus [ACCEPTED GENUS 2296:39G5 nidx=null]
 + Bengalus Biseswar, 2006 [ACCEPTED GENUS 2298:84LSQ nidx=null]
Benhamipolynoe
 - Benhamipolynoe [ACCEPTED GENUS 2296:39GB nidx=null]
 + Benhamipolynoe Pettibone, 1970 [ACCEPTED GENUS 2298:84LBT nidx=null]
Benhamisetosus
 - Benhamisetosus [ACCEPTED GENUS 2296:39GC nidx=null]
 + Benhamisetosus Averincev, 1978 [ACCEPTED GENUS 2298:84LSR nidx=null]
Bennettiella
 - Bennettiella [ACCEPTED GENUS 2296:39H3 nidx=null]
 + Bennettiella Gibson, 1982 [ACCEPTED GENUS 2298:84LST nidx=null]
Bensonocythere
 - Bensonocythere [ACCEPTED GENUS 2296:39HN nidx=null]
 + Bensonocythere Hazel, 1967 [ACCEPTED GENUS 2298:84LBW nidx=null]
Benthoscolex
 - Benthoscolex [ACCEPTED GENUS 2296:39K4 nidx=null]
 + Benthoscolex Horst, 1912 [ACCEPTED GENUS 2298:84LSZ nidx=null]
Berberis serratodentata
 - Berberis serratodentata Lechl. [ACCEPTED SPECIES 2296:68KCT nidx=null]
 + Berberis serratodentata Lechl. [ACCEPTED SPECIES 2298:84W6N nidx=null]
Bergia
 - Bergia [ACCEPTED GENUS 2296:39NK nidx=null]
 + Bergia Bürger, 1890 [ACCEPTED GENUS 2298:84LBY nidx=null]
Bergquistia
 - Bergquistia [ACCEPTED GENUS 2296:39NV nidx=null]
 + Bergquistia Sim & Lee, 2002 [ACCEPTED GENUS 2298:84LT9 nidx=null]
Bergstroemia nigrimaculata
 - Bergstroemia nigrimaculata (Moore, 1909) [ACCEPTED SPECIES 2296:LKXQ nidx=null]
 + Bergstroemia nigrimaculata (Moore, 1909) [SYNONYM SPECIES 2298:84W6P nidx=null parent=5YY88]
Berguecythere
 - Berguecythere [ACCEPTED GENUS 2296:39P4 nidx=null]
 + Berguecythere Coimbra, Bottezini & Machado, 2013 [ACCEPTED GENUS 2298:84LTB nidx=null]
Berkeleyia
 - Berkeleyia [ACCEPTED GENUS 2296:39PV nidx=null]
 + Berkeleyia Hartman, 1971 [ACCEPTED GENUS 2298:84LTC nidx=null]
Bermudrilus
 - Bermudrilus [ACCEPTED GENUS 2296:39QW nidx=null]
 + Bermudrilus Erséus, 1979 [ACCEPTED GENUS 2298:84LBZ nidx=null]
Bernardpora
 - Bernardpora [ACCEPTED GENUS 2296:39R5 nidx=null]
 + Bernardpora Kitano & Fukami, 2014 [ACCEPTED GENUS 2298:84LTD nidx=null]
Berriasella callisto
 - Berriasella callisto (d'Orbigny, 1847) [ACCEPTED SPECIES 2296:LMG8 nidx=null]
 + Berriasella callisto (d'Orbigny, 1847) [ACCEPTED SPECIES 2298:84W6Q nidx=null]
Betapista
 - Betapista [ACCEPTED GENUS 2296:39VX nidx=null]
 + Betapista Banse, 1980 [ACCEPTED GENUS 2298:84LC2 nidx=null]
Bhawania
 - Bhawania [ACCEPTED GENUS 2296:39ZF nidx=null]
 + Bhawania Schmarda, 1861 [ACCEPTED GENUS 2298:84LC5 nidx=null]
Bhawania brevis
 - Bhawania brevis Gallardo, 1968 [ACCEPTED SPECIES 2296:LQ6F nidx=null]
 + Bhawania brevis Gallardo, 1968 [SYNONYM SPECIES 2298:84W6R nidx=null parent=85F4L]
Biborin
 - Biborin [ACCEPTED GENUS 2296:62GBS nidx=null]
 + Biborin Chamberlin, 1919 [ACCEPTED GENUS 2298:84LC6 nidx=null]
Bicornucythere
 - Bicornucythere [ACCEPTED GENUS 2296:62GDP nidx=null]
 + Bicornucythere Schornikov & Shaytarov, 1979 [ACCEPTED GENUS 2298:84LV5 nidx=null]
Bicornucythere bisanensis
 - Bicornucythere bisanensis (Okubo, 1975) Schornikov & Shajtarov, 1979 [SYNONYM SPECIES 2296:5WK2Z nidx=null parent=3R4JY]
 + Bicornucythere bisanensis (Okubo, 1975) [ACCEPTED SPECIES 2298:84W6S nidx=null]
Bidderia
 - Bidderia [ACCEPTED GENUS 2296:62GF5 nidx=null]
 + Bidderia Lopes, Cóndor-Luján, Azevedo, Pérez & Klautau, 2018 [ACCEPTED GENUS 2298:84LV6 nidx=null]
Biemma corrugata
 - Biemma corrugata (Bowerbank, 1866) [SYNONYM SPECIES 2296:68JD3 nidx=null parent=44S3S]
 + Biemma corrugata (Bowerbank, 1866) [AMBIGUOUS_SYNONYM SPECIES 2298:84W6V nidx=null parent=85SZZ]
Biemna
 - Biemna [ACCEPTED GENUS 2296:62G63 nidx=null]
 + Biemna Gray, 1867 [ACCEPTED GENUS 2298:84LC7 nidx=null]
Biemna humilis
 - Biemna humilis Thiele, 1903 [ACCEPTED SPECIES 2296:LSV9 nidx=null]
 + Biemna humilis Thiele, 1903 [SYNONYM SPECIES 2298:84W6W nidx=null parent=85T35]
Biemnida
 - Biemnida [ACCEPTED ORDER 2296:TD nidx=null]
 + Biemnida Morrow, 2013 [ACCEPTED ORDER 2298:84JV6 nidx=null]
Biemnidae
 - Biemnidae [ACCEPTED FAMILY 2296:77K nidx=null]
 + Biemnidae Hentschel, 1923 [ACCEPTED FAMILY 2298:84K2S nidx=null]
Bifidia
 - Bifidia [ACCEPTED GENUS 2296:62FVC nidx=null]
 + Bifidia Sieg & Zibrowius, 1988 [ACCEPTED GENUS 2298:84LV9 nidx=null]
Bignonia myrianthus
 - Bignonia myrianthus Poepp. [SYNONYM SPECIES 2296:LTND nidx=null parent=7DB5Q]
 + Bignonia myrianthus Poepp. [SYNONYM SPECIES 2298:84W6X nidx=null parent=7DB5Q]
Bimastos
 - Bimastos [ACCEPTED GENUS 2296:62G9B nidx=null]
 + Bimastos Moore, 1893 [ACCEPTED GENUS 2298:84LCD nidx=null]
Bipalponephtys cornuta
 - Bipalponephtys cornuta (Berkeley & Berkeley, 1945) [ACCEPTED SPECIES 2296:LVLG nidx=null]
 + Bipalponephtys cornuta (Berkeley & Berkeley, 1945) [SYNONYM SPECIES 2298:84W6Y nidx=null parent=84Z6X]
Bipalponephtys danida
 - Bipalponephtys danida (Nateewathana & Hylleberg, 1986) [ACCEPTED SPECIES 2296:LVLH nidx=null]
 + Bipalponephtys danida (Nateewathana & Hylleberg, 1986) [SYNONYM SPECIES 2298:84W6Z nidx=null parent=84Z6Y]
Bipalponephtys neotena
 - Bipalponephtys neotena (Noyes, 1980) [ACCEPTED SPECIES 2296:LVLJ nidx=null]
 + Bipalponephtys neotena (Noyes, 1980) [SYNONYM SPECIES 2298:84W72 nidx=null parent=84Z6Z]
Biporus
 - Biporus [ACCEPTED GENUS 2296:62FXZ nidx=null]
 + Biporus Murina & Popkov, 2000 [ACCEPTED GENUS 2298:84LCF nidx=null]
Biprostatus
 - Biprostatus [ACCEPTED GENUS 2296:62FZB nidx=null]
 + Biprostatus Pinder & Brinkhurst, 2000 [ACCEPTED GENUS 2298:84LVJ nidx=null]
Bipteria
 - Bipteria [ACCEPTED GENUS 2296:62FZC nidx=null]
 + Bipteria Kovaljova, Zubtchenko & Krasin, 1983 [ACCEPTED GENUS 2298:84LVK nidx=null]
Bipygmaeus
 - Bipygmaeus [ACCEPTED GENUS 2296:62FZG nidx=null]
 + Bipygmaeus Regenhardt, 1961 [ACCEPTED GENUS 2298:84LVL nidx=null]
Birdotanais
 - Birdotanais [ACCEPTED GENUS 2296:62FYS nidx=null]
 + Birdotanais Kakui & Angsupanich, 2012 [ACCEPTED GENUS 2298:84LVN nidx=null]
Biremis
 - Biremis [ACCEPTED GENUS 2296:62FYT nidx=null]
 + Biremis Polloni, Rowe & Teal, 1973 [ACCEPTED GENUS 2298:84LCH nidx=null]
Biropalostoma
 - Biropalostoma [ACCEPTED GENUS 2296:62FM7 nidx=null]
 + Biropalostoma Gutu & Angsupanich, 2004 [ACCEPTED GENUS 2298:84LVR nidx=null]
Birsteinia
 - Birsteinia [ACCEPTED GENUS 2296:62FM9 nidx=null]
 + Birsteinia Ivanov, 1952 [ACCEPTED GENUS 2298:84LCK nidx=null]
Bishopina
 - Bishopina [ACCEPTED GENUS 2296:62FMP nidx=null]
 + Bishopina Bonaduce, Masoli & Pugliese, 1976 [ACCEPTED GENUS 2298:84LVT nidx=null]
Bisoceratina
 - Bisoceratina [ACCEPTED GENUS 2296:62FNZ nidx=null]
 + Bisoceratina Hu & Tao, 2008 [ACCEPTED GENUS 2298:84LVV nidx=null]
Bispira
 - Bispira [ACCEPTED GENUS 2296:62FNL nidx=null]
 + Bispira Krøyer, 1856 [ACCEPTED GENUS 2298:84LCM nidx=null]
Bistylia
 - Bistylia [ACCEPTED GENUS 2296:62FPV nidx=null]
 + Bistylia Tenison-Woods, 1878 [ACCEPTED GENUS 2298:84LVX nidx=null]
Bisulcocythere
 - Bisulcocythere [ACCEPTED GENUS 2296:62G27 nidx=null]
 + Bisulcocythere Ayress & Swanson, 1991 [ACCEPTED GENUS 2298:84LVY nidx=null]
Bivalvulida
 - Bivalvulida [ACCEPTED ORDER 2296:TH nidx=null]
 + Bivalvulida Shulman, 1959 [ACCEPTED ORDER 2298:84JV7 nidx=null]
Biwadrilidae
 - Biwadrilidae [ACCEPTED FAMILY 2296:78B nidx=null]
 + Biwadrilidae Jamieson, 1971 [ACCEPTED FAMILY 2298:84JVV nidx=null]
Biwadrilus
 - Biwadrilus [ACCEPTED GENUS 2296:62G3G nidx=null]
 + Biwadrilus Jamieson, 1971 [ACCEPTED GENUS 2298:84LCP nidx=null]
Blastomussa
 - Blastomussa [ACCEPTED GENUS 2296:62G56 nidx=null]
 + Blastomussa Wells, 1968 [ACCEPTED GENUS 2298:84LCS nidx=null]
Blastotrochus
 - Blastotrochus [ACCEPTED GENUS 2296:62HHW nidx=null]
 + Blastotrochus Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84LCT nidx=null]
Blumea hieraciifolia
 - Blumea hieraciifolia (D. Don) DC. [ACCEPTED SPECIES 2296:M7GW nidx=null]
 + Blumea hieraciifolia (D. Don) DC. [ACCEPTED SPECIES 2298:84W7F nidx=null]
Bobmarleya
 - Bobmarleya [ACCEPTED GENUS 2296:62HCC nidx=null]
 + Bobmarleya Hilario & Cunha, 2008 [ACCEPTED GENUS 2298:84LWF nidx=null]
Boccardia
 - Boccardia [ACCEPTED GENUS 2296:62HDV nidx=null]
 + Boccardia Carazzi, 1893 [ACCEPTED GENUS 2298:84LCX nidx=null]
Boccardiella
 - Boccardiella [ACCEPTED GENUS 2296:62HDW nidx=null]
 + Boccardiella Blake & Kudenov, 1978 [ACCEPTED GENUS 2298:84LCY nidx=null]
Boehmia
 - Boehmia [ACCEPTED GENUS 2296:62HG7 nidx=null]
 + Boehmia Hoek, 1881 [ACCEPTED GENUS 2298:84LD2 nidx=null]
Boguea
 - Boguea [ACCEPTED GENUS 2296:3B46 nidx=null]
 + Boguea Hartman, 1945 [ACCEPTED GENUS 2298:84LD4 nidx=null]
Boguella
 - Boguella [ACCEPTED GENUS 2296:3B47 nidx=null]
 + Boguella Hartman & Fauchald, 1971 [ACCEPTED GENUS 2298:84LD5 nidx=null]
Bollandiella
 - Bollandiella [ACCEPTED GENUS 2296:3B9V nidx=null]
 + Bollandiella Glasby & Krell, 2009 [ACCEPTED GENUS 2298:84LWS nidx=null]
Bolosoma
 - Bolosoma [ACCEPTED GENUS 2296:62HGC nidx=null]
 + Bolosoma Ijima, 1904 [ACCEPTED GENUS 2298:84LD9 nidx=null]
Bomba
 - Bomba [ACCEPTED GENUS 2296:62H8J nidx=null]
 + Bomba Kelly, Reiswig & Samaai, 2016 [ACCEPTED GENUS 2298:84LWT nidx=null]
Bonaducecythere
 - Bonaducecythere [ACCEPTED GENUS 2296:3BCL nidx=null]
 + Bonaducecythere McKenzie, 1977 [ACCEPTED GENUS 2298:84LWX nidx=null]
Bonellia
 - Bonellia [ACCEPTED GENUS 2296:62GVM nidx=null]
 + Bonellia Rolando, 1822 [ACCEPTED GENUS 2298:84LDB nidx=null]
Bonelliidae
 - Bonelliidae [ACCEPTED FAMILY 2296:622FP nidx=null]
 + Bonelliidae Lacaze-Duthiers, 1858 [ACCEPTED FAMILY 2298:84JVW nidx=null]
Bonelliopsis
 - Bonelliopsis [ACCEPTED GENUS 2296:3BDG nidx=null]
 + Bonelliopsis Fisher, 1946 [ACCEPTED GENUS 2298:84LDC nidx=null]
Boninastrea
 - Boninastrea [ACCEPTED GENUS 2296:3BDZ nidx=null]
 + Boninastrea Yabe & Sugiyama, 1935 [ACCEPTED GENUS 2298:84LDF nidx=null]
Bonnyannella
 - Bonnyannella [ACCEPTED GENUS 2296:62GVW nidx=null]
 + Bonnyannella Athersuch, 1982 [ACCEPTED GENUS 2298:84LX6 nidx=null]
Bonuania
 - Bonuania [ACCEPTED GENUS 2296:3BFC nidx=null]
 + Bonuania Pillai, 1965 [ACCEPTED GENUS 2298:84LX8 nidx=null]
Bookhoutia
 - Bookhoutia [ACCEPTED GENUS 2296:3BFK nidx=null]
 + Bookhoutia Mohammad, 1973 [ACCEPTED GENUS 2298:84LX9 nidx=null]
Boreonymphon
 - Boreonymphon [ACCEPTED GENUS 2296:3BL5 nidx=null]
 + Boreonymphon Sars, 1888 [ACCEPTED GENUS 2298:84LDK nidx=null]
Boreostoma
 - Boreostoma [ACCEPTED GENUS 2296:3BLJ nidx=null]
 + Boreostoma Schornikov, 1993 [ACCEPTED GENUS 2298:84LXF nidx=null]
Borlasia elizabethae
 - Borlasia elizabethae [SYNONYM SPECIES 2296:MKFJ nidx=null parent=3BNYY]
 + Borlasia elizabethae McIntosh, 1873-1874 [SYNONYM SPECIES 2298:84W7L nidx=null parent=3BNYY]
Borlasia quinquelineata
 - Borlasia quinquelineata [SYNONYM SPECIES 2296:MKG4 nidx=null parent=68D5Y]
 + Borlasia quinquelineata Quoy & Gaimard, 1833 [SYNONYM SPECIES 2298:84W7M nidx=null parent=68D5Y]
Borlasia rufifrons
 - Borlasia rufifrons [SYNONYM SPECIES 2296:MKG6 nidx=null parent=5XK4N]
 + Borlasia rufifrons Johnston, 1837 [SYNONYM SPECIES 2298:84W7N nidx=null parent=5XK4N]
Borlasia splendida
 - Borlasia splendida [SYNONYM SPECIES 2296:MKG8 nidx=null parent=4QHY6]
 + Borlasia splendida [ACCEPTED SPECIES 2298:84W7P nidx=null]
 + Borlasia splendida Keferstein, 1862 [SYNONYM SPECIES 2298:84W7Q nidx=null parent=4QHY6]
Boroecia
 - Boroecia [ACCEPTED GENUS 2296:3BPM nidx=null]
 + Boroecia Poulsen, 1973 [ACCEPTED GENUS 2298:84LDQ nidx=null]
Boroecia alaska
 - Boroecia alaska Angel & Blachowiak-Samolyk in prep [ACCEPTED SPECIES 2296:MKPK nidx=null]
 + Boroecia alaska Angel & Blachowiak-Samolyk in prep [ACCEPTED SPECIES 2298:84W7R nidx=null]
Boroecia danae
 - Boroecia danae Angel & Blachowiak-Samolyk in prep [ACCEPTED SPECIES 2296:MKPN nidx=null]
 + Boroecia danae Angel & Blachowiak-Samolyk in prep [ACCEPTED SPECIES 2298:84W7S nidx=null]
Borojevia
 - Borojevia [ACCEPTED GENUS 2296:3BPQ nidx=null]
 + Borojevia Klautau, Azevedo, Cóndor-Luján, Rapp, Collins & Russo, 2013 [ACCEPTED GENUS 2298:84LXP nidx=null]
Bosasella
 - Bosasella [ACCEPTED GENUS 2296:3BQX nidx=null]
 + Bosasella Bonaduce, 1985 [ACCEPTED GENUS 2298:84LXQ nidx=null]
Bosquetina
 - Bosquetina [ACCEPTED GENUS 2296:3BRT nidx=null]
 + Bosquetina Keij, 1957 [ACCEPTED GENUS 2298:84LXR nidx=null]
Bothrioneurum
 - Bothrioneurum [ACCEPTED GENUS 2296:62GX6 nidx=null]
 + Bothrioneurum Stolc, 1886 [ACCEPTED GENUS 2298:84LDY nidx=null]
Boudemos
 - Boudemos [ACCEPTED GENUS 2296:3C22 nidx=null]
 + Boudemos Watson, Carvajal, Sergeeva, Pleijel & Rouse, 2016 [ACCEPTED GENUS 2298:84LY3 nidx=null]
Bourletiella lutea
 - Bourletiella lutea Gisin, 1946 [SYNONYM SPECIES 2296:68QNP nidx=null parent=692NX]
 + Bourletiella lutea Gisin, 1946 [SYNONYM SPECIES 2298:84TK5 nidx=null parent=692NX]
Bourneotrochus
 - Bourneotrochus [ACCEPTED GENUS 2296:3C3K nidx=null]
 + Bourneotrochus Wells, 1984 [ACCEPTED GENUS 2298:84LF4 nidx=null]
Brachiaster
 - Brachiaster [ACCEPTED GENUS 2296:3C6L nidx=null]
 + Brachiaster Wilson, 1925 [ACCEPTED GENUS 2298:84LF7 nidx=null]
Brachylicoa
 - Brachylicoa [ACCEPTED GENUS 2296:62GNY nidx=null]
 + Brachylicoa Gutu, 2006 [ACCEPTED GENUS 2298:84LYK nidx=null]
Brachyphyllia
 - Brachyphyllia [ACCEPTED GENUS 2296:3CHD nidx=null]
 + Brachyphyllia Reuss, 1854 [ACCEPTED GENUS 2298:84LYL nidx=null]
Brachysyllis
 - Brachysyllis [ACCEPTED GENUS 2296:3CLQ nidx=null]
 + Brachysyllis Imajima & Hartman, 1964 [ACCEPTED GENUS 2298:84LYQ nidx=null]
Brackenridgea hookerii
 - Brackenridgea hookerii Gilg [SYNONYM SPECIES 2296:N3CZ nidx=null parent=N3D2]
 + Brackenridgea hookerii Gilg [SYNONYM SPECIES 2298:84W7W nidx=null parent=N3D2]
Brada
 - Brada [ACCEPTED GENUS 2296:3CP4 nidx=null]
 + Brada Stimpson, 1853 [ACCEPTED GENUS 2298:84LFP nidx=null]
Brada granosa
 - Brada granosa Stimpson, 1854 [SYNONYM SPECIES 2296:N4JN nidx=null parent=N4JT]
 + Brada granosa Stimpson, 1853 [ACCEPTED SPECIES 2298:84TK9 nidx=null]
Brada granulata
 - Brada granulata [SYNONYM SPECIES 2296:N4JP nidx=null parent=N4JT]
 + Brada granulata Malmgren, 1867 [SYNONYM SPECIES 2298:84TKB nidx=null parent=N4JT]
Brada laevis
 - Brada laevis Grube, 1877 [SYNONYM SPECIES 2296:N4JV nidx=null parent=N4KC]
 + Brada laevis [misspelling for 'sublaevis'] [SYNONYM SPECIES 2298:84W7X nidx=null parent=N4KC]
Brada normani
 - Brada normani McIntosh, 1908 [SYNONYM SPECIES 2296:N4JZ nidx=null parent=N4JT]
 + Brada normani McIntosh, 1908 [SYNONYM SPECIES 2298:84W7Y nidx=null parent=N4JQ]
Brada parthenopeia
 - Brada parthenopeia Lo Bianco, 1893 [SYNONYM SPECIES 2296:N4K4 nidx=null parent=N4KG]
 + Brada parthenopeia Lo Bianco, 1893 [SYNONYM SPECIES 2298:84W7Z nidx=null parent=859QQ]
Brada pilosa
 - Brada pilosa Moore, 1906 [SYNONYM SPECIES 2296:N4K5 nidx=null parent=N4KG]
 + Brada pilosa Moore, 1906 [SYNONYM SPECIES 2298:84W82 nidx=null parent=859QR]
Brada setosa
 - Brada setosa Verrill, 1873 [SYNONYM SPECIES 2296:69429 nidx=null parent=N4KG]
 + Brada setosa Verrill, 1873 [SYNONYM SPECIES 2298:84TKC nidx=null parent=859QS]
Brada villosa
 - Brada villosa (Rathke, 1843) [ACCEPTED SPECIES 2296:N4KG nidx=null]
 + Brada villosa [ACCEPTED SPECIES 2298:84TKD nidx=null]
 + Brada villosa (Rathke, 1843) [SYNONYM SPECIES 2298:84TKF nidx=null parent=859QT]
Bradabyssa
 - Bradabyssa [ACCEPTED GENUS 2296:3CP5 nidx=null]
 + Bradabyssa Hartman, 1967 [ACCEPTED GENUS 2298:84LFQ nidx=null]
Bradleya
 - Bradleya [ACCEPTED GENUS 2296:3CPH nidx=null]
 + Bradleya Hornibrook, 1952 [ACCEPTED GENUS 2298:84LFR nidx=null]
Bradyleberis
 - Bradyleberis [ACCEPTED GENUS 2296:3CQG nidx=null]
 + Bradyleberis McKenzie in Howe & McKenzie, 1989 [ACCEPTED GENUS 2298:84LYS nidx=null]
Bradyon
 - Bradyon [ACCEPTED GENUS 2296:3CQN nidx=null]
 + Bradyon Jellinek, 1993 [ACCEPTED GENUS 2298:84LYT nidx=null]
Bradypallene
 - Bradypallene [ACCEPTED GENUS 2296:3CQQ nidx=null]
 + Bradypallene Kim & Hong, 1987 [ACCEPTED GENUS 2298:84LFW nidx=null]
Bradystoma
 - Bradystoma [ACCEPTED GENUS 2296:3CRD nidx=null]
 + Bradystoma Schornikov & Keyser, 2004 [ACCEPTED GENUS 2298:84LYV nidx=null]
Branchamphinome
 - Branchamphinome [ACCEPTED GENUS 2296:3CSK nidx=null]
 + Branchamphinome Hartman, 1967 [ACCEPTED GENUS 2298:84LZ2 nidx=null]
Branchethus latum
 - Branchethus latum Chamberlin, 1919 [SYNONYM SPECIES 2296:N6FM nidx=null parent=6Y9J6]
 + Branchethus latum Chamberlin, 1919 [SYNONYM SPECIES 2298:84W88 nidx=null parent=85DW8]
Branchinotogluma
 - Branchinotogluma [ACCEPTED GENUS 2296:3CST nidx=null]
 + Branchinotogluma Pettibone, 1985 [ACCEPTED GENUS 2298:84LZ3 nidx=null]
Branchiodrilus
 - Branchiodrilus [ACCEPTED GENUS 2296:3CSX nidx=null]
 + Branchiodrilus Michaelsen, 1900 [ACCEPTED GENUS 2298:84LG3 nidx=null]
Branchiomaldane
 - Branchiomaldane [ACCEPTED GENUS 2296:3CSZ nidx=null]
 + Branchiomaldane Langerhans, 1881 [ACCEPTED GENUS 2298:84LG5 nidx=null]
Branchiomma
 - Branchiomma [ACCEPTED GENUS 2296:3CT2 nidx=null]
 + Branchiomma Kölliker, 1858 [ACCEPTED GENUS 2298:84LG6 nidx=null]
Branchiomma picta
 - Branchiomma picta (McIntosh, 1885) [ACCEPTED SPECIES 2296:693CJ nidx=null]
 + Branchiomma picta (McIntosh, 1885) [SYNONYM SPECIES 2298:84W89 nidx=null parent=85FBF]
Branchiosyllis
 - Branchiosyllis [ACCEPTED GENUS 2296:3CT8 nidx=null]
 + Branchiosyllis Ehlers, 1887 [ACCEPTED GENUS 2298:84LG8 nidx=null]
Branchiplicatus
 - Branchiplicatus [ACCEPTED GENUS 2296:3CT9 nidx=null]
 + Branchiplicatus Pettibone, 1985 [ACCEPTED GENUS 2298:84LZ5 nidx=null]
Branchipolynoe
 - Branchipolynoe [ACCEPTED GENUS 2296:3CTB nidx=null]
 + Branchipolynoe Pettibone, 1984 [ACCEPTED GENUS 2298:84LZ6 nidx=null]
Branchiura
 - Branchiura [ACCEPTED GENUS 2296:3CTD nidx=null]
 + Branchiura Beddard, 1892 [ACCEPTED GENUS 2298:84JNW nidx=null]
Brandtika
 - Brandtika [ACCEPTED GENUS 2296:62H2V nidx=null]
 + Brandtika Jones, 1974 [ACCEPTED GENUS 2298:84LZ7 nidx=null]
Brania
 - Brania [ACCEPTED GENUS 2296:62GQW nidx=null]
 + Brania Quatrefages, 1866 [ACCEPTED GENUS 2298:84LGD nidx=null]
Brasilicythere
 - Brasilicythere [ACCEPTED GENUS 2296:3CV2 nidx=null]
 + Brasilicythere Sanguinetti, Ornellas & Coimbra, 1992 [ACCEPTED GENUS 2298:84LZ9 nidx=null]
Bratislavia
 - Bratislavia [ACCEPTED GENUS 2296:3CWP nidx=null]
 + Bratislavia Kosel, 1976 [ACCEPTED GENUS 2298:84LGF nidx=null]
Brattegardia
 - Brattegardia [ACCEPTED GENUS 2296:3CWQ nidx=null]
 + Brattegardia Klautau, Azevedo, Cóndor-Luján, Rapp, Collins & Russo, 2013 [ACCEPTED GENUS 2298:84LZF nidx=null]
Breitfussia
 - Breitfussia [ACCEPTED GENUS 2296:3CYS nidx=null]
 + Breitfussia Borojevic, Boury-Esnault & Vacelet, 2000 [ACCEPTED GENUS 2298:84LGG nidx=null]
Breviatria
 - Breviatria [ACCEPTED GENUS 2296:3D2X nidx=null]
 + Breviatria Pinder & Brinkhurst, 2000 [ACCEPTED GENUS 2298:84LZR nidx=null]
Brevibrachium
 - Brevibrachium [ACCEPTED GENUS 2296:3D36 nidx=null]
 + Brevibrachium Paxton, 1986 [ACCEPTED GENUS 2298:84LZS nidx=null]
Brevicirrosyllis
 - Brevicirrosyllis [ACCEPTED GENUS 2296:3D3H nidx=null]
 + Brevicirrosyllis San Martín, López & Aguado, 2009 [ACCEPTED GENUS 2298:84LZW nidx=null]
Briaraea
 - Briaraea [ACCEPTED GENUS 2296:3D6M nidx=null]
 + Briaraea Quoy & Gaimard, 1827 [ACCEPTED GENUS 2298:84M24 nidx=null]
Briareidae
 - Briareidae [ACCEPTED FAMILY 2296:622HH nidx=null]
 + Briareidae Gray, 1859 [ACCEPTED FAMILY 2298:84JVY nidx=null]
Briareopsis
 - Briareopsis [ACCEPTED GENUS 2296:3D6T nidx=null]
 + Briareopsis Bayer, 1993 [ACCEPTED GENUS 2298:84M25 nidx=null]
Briareum
 - Briareum [ACCEPTED GENUS 2296:62GRX nidx=null]
 + Briareum Blainville, 1834 [ACCEPTED GENUS 2298:84LGL nidx=null]
Brifacia
 - Brifacia [ACCEPTED GENUS 2296:3D7D nidx=null]
 + Brifacia Fitzhugh, 1998 [ACCEPTED GENUS 2298:84M26 nidx=null]
Brinkhurstia
 - Brinkhurstia [ACCEPTED GENUS 2296:3D8J nidx=null]
 + Brinkhurstia Jamieson, 1968 [ACCEPTED GENUS 2298:84LGN nidx=null]
Brinkmannia
 - Brinkmannia [ACCEPTED GENUS 2296:3D8L nidx=null]
 + Brinkmannia Stiasny-Wijnhoff, 1926 [ACCEPTED GENUS 2298:84M2L nidx=null]
Brinkmanniidae
 - Brinkmanniidae [ACCEPTED FAMILY 2296:622HK nidx=null]
 + Brinkmanniidae Stiasny-Wijnhoff [ACCEPTED FAMILY 2298:84K37 nidx=null]
Brochosogenys
 - Brochosogenys [ACCEPTED GENUS 2296:62H3L nidx=null]
 + Brochosogenys Colbath, 1987 [ACCEPTED GENUS 2298:84M2Y nidx=null]
Brunarus
 - Brunarus [ACCEPTED GENUS 2296:3DG2 nidx=null]
 + Brunarus Bamber & Marshall, 2015 [ACCEPTED GENUS 2298:84M33 nidx=null]
Brunneostoma
 - Brunneostoma [ACCEPTED GENUS 2296:3DH7 nidx=null]
 + Brunneostoma Schornikov, 1993 [ACCEPTED GENUS 2298:84M36 nidx=null]
Bruunellia
 - Bruunellia [ACCEPTED GENUS 2296:3DJ3 nidx=null]
 + Bruunellia Zenkevitch, 1966 [ACCEPTED GENUS 2298:84LGV nidx=null]
Bruuniella
 - Bruuniella [ACCEPTED GENUS 2296:3DJ4 nidx=null]
 + Bruuniella Poulsen, 1965 [ACCEPTED GENUS 2298:84LGW nidx=null]
Bruunilla
 - Bruunilla [ACCEPTED GENUS 2296:3DJ5 nidx=null]
 + Bruunilla Hartman, 1971 [ACCEPTED GENUS 2298:84LGX nidx=null]
Brychionoe
 - Brychionoe [ACCEPTED GENUS 2296:3DK6 nidx=null]
 + Brychionoe Hanley & Burke, 1991 [ACCEPTED GENUS 2298:84M39 nidx=null]
Bryodrilus
 - Bryodrilus [ACCEPTED GENUS 2296:3DMD nidx=null]
 + Bryodrilus Ude, 1892 [ACCEPTED GENUS 2298:84LGY nidx=null]
Bubarida
 - Bubarida [ACCEPTED ORDER 2296:6229V nidx=null]
 + Bubarida Morrow & Cárdenas, 2015 [ACCEPTED ORDER 2298:84JV8 nidx=null]
Bubaridae
 - Bubaridae [ACCEPTED FAMILY 2296:622HV nidx=null]
 + Bubaridae Topsent, 1894 [ACCEPTED FAMILY 2298:84JW2 nidx=null]
Bubaris durissima
 - Bubaris durissima Burton, 1928 [SYNONYM SPECIES 2296:5WSFL nidx=null parent=3LVVQ]
 + Bubaris durissima Burton, 1928 [ACCEPTED SPECIES 2298:84W8L nidx=null]
Bubaris gallica
 - Bubaris gallica Topsent, 1893 [SYNONYM SPECIES 2296:NKMG nidx=null parent=6L9JT]
 + Bubaris gallica Topsent, 1893 [SYNONYM SPECIES 2298:84W8M nidx=null parent=84Y8C]
Bubuloceratina
 - Bubuloceratina [ACCEPTED GENUS 2296:3DQZ nidx=null]
 + Bubuloceratina Hu & Tao, 2008 [ACCEPTED GENUS 2298:84M3L nidx=null]
Buchholzia
 - Buchholzia [ACCEPTED GENUS 2296:3DSK nidx=null]
 + Buchholzia Michaelsen, 1886 [ACCEPTED GENUS 2298:84LH5 nidx=null]
Buergeriella
 - Buergeriella [ACCEPTED GENUS 2296:62GTS nidx=null]
 + Buergeriella Brinkmann, 1917 [ACCEPTED GENUS 2298:84M3N nidx=null]
Buergeriellidae
 - Buergeriellidae [ACCEPTED FAMILY 2296:622HX nidx=null]
 + Buergeriellidae Brinkmann, 1917 [ACCEPTED FAMILY 2298:84K3B nidx=null]
Bulbocythere
 - Bulbocythere [ACCEPTED GENUS 2296:3DXN nidx=null]
 + Bulbocythere Coimbra & De Morais, 2016 [ACCEPTED GENUS 2298:84M42 nidx=null]
Bunakenia
 - Bunakenia [ACCEPTED GENUS 2296:62J29 nidx=null]
 + Bunakenia Gutu, 1995 [ACCEPTED GENUS 2298:84M46 nidx=null]
Bunburia
 - Bunburia [ACCEPTED GENUS 2296:62J23 nidx=null]
 + Bunburia Jóźwiak & Jakiel, 2012 [ACCEPTED GENUS 2298:84M47 nidx=null]
Bunium korshinskyi
 - Bunium korshinskyi (Lipsky) B. Fedtsch. [SYNONYM SPECIES 2296:NV43 nidx=null parent=6Y3TY]
 + Bunium korshinskyi (Lipsky) B. Fedtsch. [SYNONYM SPECIES 2298:84W8S nidx=null parent=6Y3TY]
Buntonia
 - Buntonia [ACCEPTED GENUS 2296:62HY2 nidx=null]
 + Buntonia Howe, 1935 [ACCEPTED GENUS 2298:84M4C nidx=null]
Buprestis arcuatus
 - Buprestis arcuatus Say, 1825 [SYNONYM SPECIES 2296:NW33 nidx=null parent=B3YF]
 + Buprestis arcuatus Say, 1825 [SYNONYM SPECIES 2298:84WBC nidx=null parent=B3YF]
Buprestis bifasciatus
 - Buprestis bifasciatus Olivier, 1790 [SYNONYM SPECIES 2296:NW54 nidx=null parent=Y9J6]
 + Buprestis bifasciatus Olivier, 1790 [SYNONYM SPECIES 2298:84WBD nidx=null parent=Y9J6]
Buprestis bilineatus
 - Buprestis bilineatus Weber, 1801 [SYNONYM SPECIES 2296:NW58 nidx=null parent=B47C]
 + Buprestis bilineatus Weber, 1801 [SYNONYM SPECIES 2298:84WBF nidx=null parent=B47C]
Buprestis cyaneus
 - Buprestis cyaneus Olivier, 1790 [SYNONYM SPECIES 2296:6962Y nidx=null parent=B7CX]
 + Buprestis cyaneus Olivier, 1790 [SYNONYM SPECIES 2298:84WBG nidx=null parent=B7CX]
Buprestis emarginatus
 - Buprestis emarginatus Olivier, 1790 [SYNONYM SPECIES 2296:68TR9 nidx=null parent=5VM5C]
 + Buprestis emarginatus Olivier, 1790 [SYNONYM SPECIES 2298:84WBH nidx=null parent=5VM5C]
Buprestis fasciatus
 - Buprestis fasciatus Villers, 1789 [SYNONYM SPECIES 2296:695QF nidx=null parent=Y9J6]
 + Buprestis fasciatus Villers, 1789 [SYNONYM SPECIES 2298:84WBJ nidx=null parent=Y9J6]
Buprestis giganteum
 - Buprestis giganteum Linnaeus, 1758 [SYNONYM SPECIES 2296:NWHM nidx=null parent=3BTCF]
 + Buprestis giganteum Linnaeus, 1758 [SYNONYM SPECIES 2298:84WBK nidx=null parent=3BTCF]
Buprestis major
 - Buprestis major Germar, 1837 [SYNONYM SPECIES 2296:NWPV nidx=null parent=NX9X]
 + Buprestis major Germar, 1837 [SYNONYM SPECIES 2298:84WBL nidx=null parent=NX9X]
Buprestis mucronatus
 - Buprestis mucronatus Klug, 1825 [SYNONYM SPECIES 2296:NWRN nidx=null parent=B5XZ]
 + Buprestis mucronatus Klug, 1825 [SYNONYM SPECIES 2298:84WBM nidx=null parent=B5XZ]
Buprestis pumilus
 - Buprestis pumilus Illiger, 1803 [SYNONYM SPECIES 2296:NWWH nidx=null parent=57TDZ]
 + Buprestis pumilus Illiger, 1803 [SYNONYM SPECIES 2298:84WBN nidx=null parent=57TDZ]
Buprestis pygmaeus
 - Buprestis pygmaeus Fabricius, 1787 [SYNONYM SPECIES 2296:NWX3 nidx=null parent=57TKC]
 + Buprestis pygmaeus Fabricius, 1787 [SYNONYM SPECIES 2298:84WBP nidx=null parent=57TKC]
Burchanidrilus
 - Burchanidrilus [ACCEPTED GENUS 2296:62HZM nidx=null]
 + Burchanidrilus Martin & Brinkhurst, 1998 [ACCEPTED GENUS 2298:84M4D nidx=null]
Buregia
 - Buregia [ACCEPTED GENUS 2296:62HYS nidx=null]
 + Buregia Zaspelova, 1953 [ACCEPTED GENUS 2298:84M4H nidx=null]
Buregiidae
 - Buregiidae [ACCEPTED FAMILY 2296:7GG nidx=null]
 + Buregiidae Polenova, 1953 [ACCEPTED FAMILY 2298:84K3D nidx=null]
Burgessochaeta
 - Burgessochaeta [ACCEPTED GENUS 2296:62HZP nidx=null]
 + Burgessochaeta Conway Morris, 1979 [ACCEPTED GENUS 2298:84M4J nidx=null]
Burtonitethya
 - Burtonitethya [ACCEPTED GENUS 2296:62HTF nidx=null]
 + Burtonitethya Sarà, 1994 [ACCEPTED GENUS 2298:84LHC nidx=null]
Burtonulla
 - Burtonulla [ACCEPTED GENUS 2296:62HTG nidx=null]
 + Burtonulla Borojevic & Boury-Esnault, 1986 [ACCEPTED GENUS 2298:84LHD nidx=null]
Bushiella
 - Bushiella [ACCEPTED SUBGENUS 2296:62HSS nidx=null]
 - Bushiella [ACCEPTED GENUS 2296:62HT3 nidx=null]
 + Bushiella Knight-Jones, 1973 [ACCEPTED GENUS 2298:84LHF nidx=null]
Bylgides
 - Bylgides [ACCEPTED GENUS 2296:62JLV nidx=null]
 + Bylgides Chamberlin, 1919 [ACCEPTED GENUS 2298:84LHJ nidx=null]
Bylgides acutiseris
 - Bylgides acutiseris Loshamn, 1981 [ACCEPTED SPECIES 2296:NZRM nidx=null]
 + Bylgides acutiseris [auctt., misspelling for acutisetis] [SYNONYM SPECIES 2298:84WBR nidx=null parent=NZRN]
Bythoceratina
 - Bythoceratina [ACCEPTED GENUS 2296:62K23 nidx=null]
 + Bythoceratina Hornibrook, 1952 [ACCEPTED GENUS 2298:84LHK nidx=null]
Bythocyprididae
 - Bythocyprididae [ACCEPTED FAMILY 2296:7HH nidx=null]
 + Bythocyprididae Maddocks, 1969 [ACCEPTED FAMILY 2298:84JW3 nidx=null]
Bythocypris
 - Bythocypris [ACCEPTED GENUS 2296:62JPT nidx=null]
 + Bythocypris Brady, 1880 [ACCEPTED GENUS 2298:84LHL nidx=null]
Bythocythere
 - Bythocythere [ACCEPTED GENUS 2296:62JQ5 nidx=null]
 + Bythocythere Sars, 1866 [ACCEPTED GENUS 2298:84LHM nidx=null]
Bythocythere simplex
 - Bythocythere simplex (Norman, 1865) [SYNONYM SPECIES 2296:P3L8 nidx=null parent=3X4LS]
 + Bythocythere simplex (Norman, 1865) [SYNONYM SPECIES 2298:84WBT nidx=null parent=84X5M]
Bythocytheridae
 - Bythocytheridae [ACCEPTED FAMILY 2296:7HJ nidx=null]
 + Bythocytheridae Sars, 1866 [ACCEPTED FAMILY 2298:84JW4 nidx=null]
Bythocytheropteron
 - Bythocytheropteron [ACCEPTED GENUS 2296:62K25 nidx=null]
 + Bythocytheropteron Whatley & Zhao (Yi-Chun) , 1988 [ACCEPTED GENUS 2298:84M5D nidx=null]
Bytholoxoconcha
 - Bytholoxoconcha [ACCEPTED GENUS 2296:62K27 nidx=null]
 + Bytholoxoconcha Hartmann, 1974 [ACCEPTED GENUS 2298:84M5F nidx=null]
Bythopussella
 - Bythopussella [ACCEPTED GENUS 2296:62K29 nidx=null]
 + Bythopussella Warne, 1990 [ACCEPTED GENUS 2298:84M5G nidx=null]
Cabira
 - Cabira [ACCEPTED GENUS 2296:62JQY nidx=null]
 + Cabira Webster, 1879 [ACCEPTED GENUS 2298:84LHQ nidx=null]
Cacochalina mollis
 - Cacochalina mollis Topsent, 1897 [SYNONYM SPECIES 2296:P5T6 nidx=null parent=PWRZ]
 + Cacochalina mollis Topsent, 1897 [SYNONYM SPECIES 2298:84WBZ nidx=null parent=84ZLK]
Cacoheterotanais
 - Cacoheterotanais [ACCEPTED GENUS 2296:62K3J nidx=null]
 + Cacoheterotanais Morales-Núñez & Heard, 2015 [ACCEPTED GENUS 2298:84M5P nidx=null]
Cacospongia
 - Cacospongia [ACCEPTED GENUS 2296:62JSV nidx=null]
 + Cacospongia Schmidt, 1862 [ACCEPTED GENUS 2298:84LHR nidx=null]
Cacospongia coreana
 - Cacospongia coreana (Lee & Sim, 2005) [ACCEPTED SPECIES 2296:P6LD nidx=null]
 + Cacospongia coreana (Lee & Sim, 2005) [SYNONYM SPECIES 2298:84WC3 nidx=null parent=8529R]
Cacospongia dendroides
 - Cacospongia dendroides Poléjaeff, 1884 [SYNONYM SPECIES 2296:68TBC nidx=null parent=6MWLB]
 + Cacospongia dendroides Poléjaeff, 1884 [SYNONYM SPECIES 2298:84WC4 nidx=null parent=85SYT]
Cacospongia poculum
 - Cacospongia poculum Selenka, 1867 [SYNONYM SPECIES 2296:P6LW nidx=null parent=RH2G]
 + Cacospongia poculum Selenka, 1867 [SYNONYM SPECIES 2298:84WC5 nidx=null parent=84ZR2]
Caementabunda
 - Caementabunda [ACCEPTED GENUS 2296:62JGJ nidx=null]
 + Caementabunda Benayahu, van Ofwegen & McFadden, 2018 [ACCEPTED GENUS 2298:84M6Q nidx=null]
Calamophyllia
 - Calamophyllia [ACCEPTED GENUS 2296:62J6D nidx=null]
 + Calamophyllia Blainville, 1830 [ACCEPTED GENUS 2298:84M86 nidx=null]
Calamophylliidae
 - Calamophylliidae [ACCEPTED FAMILY 2296:7JB nidx=null]
 + Calamophylliidae Vaughan & Wells, 1943 [ACCEPTED FAMILY 2298:84K3G nidx=null]
Calamyzas
 - Calamyzas [ACCEPTED GENUS 2296:62J6X nidx=null]
 + Calamyzas Arwidsson, 1932 [ACCEPTED GENUS 2298:84LHY nidx=null]
Calcarea
 - Calcarea [ACCEPTED CLASS 2296:8M nidx=null]
 + Calcarea Bowerbank, 1862 [ACCEPTED CLASS 2298:84JMW nidx=null]
Calcarostoma
 - Calcarostoma [ACCEPTED GENUS 2296:3F38 nidx=null]
 + Calcarostoma Schornikov & Keyser, 2004 [ACCEPTED GENUS 2298:84M8K nidx=null]
Calcifibrospongia
 - Calcifibrospongia [ACCEPTED GENUS 2296:3F3T nidx=null]
 + Calcifibrospongia Hartman, 1979 [ACCEPTED GENUS 2298:84LJ4 nidx=null]
Calcifibrospongiidae
 - Calcifibrospongiidae [ACCEPTED FAMILY 2296:7JM nidx=null]
 + Calcifibrospongiidae Hartman, 1979 [ACCEPTED FAMILY 2298:84JW5 nidx=null]
Calcigorgia
 - Calcigorgia [ACCEPTED GENUS 2296:3F3V nidx=null]
 + Calcigorgia Broch, 1935 [ACCEPTED GENUS 2298:84LJ5 nidx=null]
Calibelemnon
 - Calibelemnon [ACCEPTED GENUS 2296:3F7K nidx=null]
 + Calibelemnon Nutting, 1908 [ACCEPTED GENUS 2298:84LJ9 nidx=null]
Calicogorgia
 - Calicogorgia [ACCEPTED GENUS 2296:3F7Y nidx=null]
 + Calicogorgia Thomson & Henderson, 1906 [ACCEPTED GENUS 2298:84M93 nidx=null]
Califia
 - Califia [ACCEPTED GENUS 2296:3F8Q nidx=null]
 + Califia Hartman, 1957 [ACCEPTED GENUS 2298:84LJB nidx=null]
Callidrilus
 - Callidrilus [ACCEPTED GENUS 2296:62KND nidx=null]
 + Callidrilus Michaelsen, 1890 [ACCEPTED GENUS 2298:84LJC nidx=null]
Callinera
 - Callinera [ACCEPTED GENUS 2296:3FG4 nidx=null]
 + Callinera Bergendal, 1900 [ACCEPTED GENUS 2298:84LJD nidx=null]
Callipallene
 - Callipallene [ACCEPTED GENUS 2296:3FH4 nidx=null]
 + Callipallene Flynn, 1929 [ACCEPTED GENUS 2298:84LJF nidx=null]
Callipallene phantoma
 - Callipallene phantoma Utinomi, 1971 non- (Dohrn, 1881) [SYNONYM SPECIES 2296:PS9K nidx=null parent=PS9N]
 + Callipallene phantoma Utinomi, 1971 non- (Dohrn, 1881) [MISAPPLIED SPECIES 2298:84TLQ nidx=null parent=PS9N]
Callipallene producta
 - Callipallene producta Ohshima, 1933 non- (Sars, 1888) [SYNONYM SPECIES 2296:PS9L nidx=null parent=PS8L]
 + Callipallene producta Ohshima, 1933 non- (Sars, 1888) [MISAPPLIED SPECIES 2298:84TLR nidx=null parent=PS8L]
Callipallenidae
 - Callipallenidae [ACCEPTED FAMILY 2296:7KJ nidx=null]
 + Callipallenidae Hilton, 1942 [ACCEPTED FAMILY 2298:84JWB nidx=null]
Callipelta cavernicola
 - Callipelta cavernicola (Vacelet & Vasseur, 1965) [ACCEPTED SPECIES 2296:PSBG nidx=null]
 + Callipelta cavernicola (Vacelet & Vasseur, 1965) [SYNONYM SPECIES 2298:84WDD nidx=null parent=85SBY]
Callipelta mixta
 - Callipelta mixta Vacelet, Vasseur & Lévi, 1976 [ACCEPTED SPECIES 2296:PSBH nidx=null]
 + Callipelta mixta Vacelet, Vasseur & Lévi, 1976 [SYNONYM SPECIES 2298:84WDF nidx=null parent=85T7S]
Callipelta ornata
 - Callipelta ornata Sollas, 1888 [ACCEPTED SPECIES 2296:PSBJ nidx=null]
 + Callipelta ornata Sollas, 1888 [SYNONYM SPECIES 2298:84WDG nidx=null parent=85T7T]
Callipelta punctata
 - Callipelta punctata Lévi & Lévi, 1983 [ACCEPTED SPECIES 2296:PSBK nidx=null]
 + Callipelta punctata Lévi & Lévi, 1983 [SYNONYM SPECIES 2298:84WDH nidx=null parent=85T7V]
Callipelta sollasi
 - Callipelta sollasi Lévi & Lévi, 1989 [ACCEPTED SPECIES 2296:PSBL nidx=null]
 + Callipelta sollasi Lévi & Lévi, 1989 [SYNONYM SPECIES 2298:84WDJ nidx=null parent=85T7W]
Callipelta thoosa
 - Callipelta thoosa Lévi, 1964 [ACCEPTED SPECIES 2296:PSBM nidx=null]
 + Callipelta thoosa Lévi, 1964 [SYNONYM SPECIES 2298:84WDK nidx=null parent=85SBZ]
Callipodium
 - Callipodium [ACCEPTED GENUS 2296:3FHY nidx=null]
 + Callipodium Verrill, 1869 [ACCEPTED GENUS 2298:84MB3 nidx=null]
Callistocythere
 - Callistocythere [ACCEPTED GENUS 2296:3FKX nidx=null]
 + Callistocythere Ruggieri, 1953 [ACCEPTED GENUS 2298:84LJM nidx=null]
Callocythere
 - Callocythere [ACCEPTED GENUS 2296:3FN5 nidx=null]
 + Callocythere Whatley, Moguilevsky, Ramos & Coxill, 1998 [ACCEPTED GENUS 2298:84MBT nidx=null]
Callogorgia
 - Callogorgia [ACCEPTED GENUS 2296:3FNG nidx=null]
 + Callogorgia Gray, 1858 [ACCEPTED GENUS 2298:84LJS nidx=null]
Callozostron
 - Callozostron [ACCEPTED GENUS 2296:3FQS nidx=null]
 + Callozostron Wright, 1885 [ACCEPTED GENUS 2298:84MC5 nidx=null]
Callyspongia
 - Callyspongia [ACCEPTED GENUS 2296:3FRF nidx=null]
 - Callyspongia [ACCEPTED SUBGENUS 2296:3FRG nidx=null]
 + Callyspongia Duchassaing & Michelotti, 1864 [ACCEPTED GENUS 2298:84LJT nidx=null]
Callyspongia (Callyspongia) ramosa
 - Callyspongia (Callyspongia) ramosa (Gray, 1843) [ACCEPTED SPECIES 2296:PWM8 nidx=null]
 + Callyspongia (Callyspongia) ramosa (Gray, 1843) [SYNONYM SPECIES 2298:84WDP nidx=null parent=85SPN]
Callyspongia (Callyspongia) simplex
 - Callyspongia (Callyspongia) simplex Burton, 1956 [ACCEPTED SPECIES 2296:5WVBX nidx=null]
 + Callyspongia (Callyspongia) simplex Burton, 1956 [SYNONYM SPECIES 2298:84WDQ nidx=null parent=85SPM]
Callyspongia (Callyspongia) tubulosa
 - Callyspongia (Callyspongia) tubulosa sensu (Esper, 1797) [ACCEPTED SPECIES 2296:PWMH nidx=null]
 + Callyspongia (Callyspongia) tubulosa (Linnaeus, 1759) [ACCEPTED SPECIES 2298:84WDR nidx=null]
Callyspongia (Cladochalina) lineata
 - Callyspongia (Cladochalina) lineata (Duchassaing & Michelotti, 1864) [SYNONYM SPECIES 2296:PWMX nidx=null parent=PWNG]
 + Callyspongia (Cladochalina) lineata (Duchassaing & Michelotti, 1864) [SYNONYM SPECIES 2298:84WDS nidx=null parent=PWML]
Callyspongia (Cladochalina) lineata var. flabelliformis
 - Callyspongia (Cladochalina) lineata var. flabelliformis (Carter, 1882) [SYNONYM VARIETY 2296:7LDTR nidx=null parent=PWNG]
 + Callyspongia (Cladochalina) lineata var. flabelliformis (Carter, 1882) [SYNONYM VARIETY 2298:852SL nidx=null parent=PWML]
Callyspongia (Cladochalina) papyracea
 - Callyspongia (Cladochalina) papyracea (Schmidt, 1870) [SYNONYM SPECIES 2296:PWN3 nidx=null parent=PWNG]
 + Callyspongia (Cladochalina) papyracea (Schmidt, 1870) [SYNONYM SPECIES 2298:84WDT nidx=null parent=PWML]
Callyspongia (Cladochalina) vaginalis
 - Callyspongia (Cladochalina) vaginalis (Lamarck, 1814) [ACCEPTED SPECIES 2296:PWNG nidx=null]
 + Callyspongia (Cladochalina) vaginalis (Lamarck, 1814) [SYNONYM SPECIES 2298:84WDV nidx=null parent=PWML]
Callyspongia (Spinosella) vaginalis
 - Callyspongia (Spinosella) vaginalis (Lamarck, 1814) [SYNONYM SPECIES 2296:PWNT nidx=null parent=PWNG]
 + Callyspongia (Spinosella) vaginalis (Lamarck, 1814) [SYNONYM SPECIES 2298:84WDW nidx=null parent=PWML]
Callyspongia conica
 - Callyspongia conica (Keller, 1889) [PROVISIONALLY_ACCEPTED SPECIES 2296:PWQC nidx=null]
 - Callyspongia conica (Brøndsted, 1924) [PROVISIONALLY_ACCEPTED SPECIES 2296:PWQD nidx=null]
 + Callyspongia conica (Keller, 1889) [AMBIGUOUS_SYNONYM SPECIES 2298:84WDX nidx=null parent=85SPW]
 + Callyspongia conica (Brøndsted, 1924) [AMBIGUOUS_SYNONYM SPECIES 2298:84WDY nidx=null parent=85SPT]
Callyspongia elegans
 - Callyspongia elegans (Thiele, 1899) [ACCEPTED SPECIES 2296:PWQT nidx=null]
 + Callyspongia elegans (Thiele, 1899) [SYNONYM SPECIES 2298:84WDZ nidx=null parent=85SPR]
Callyspongia ramosa
 - Callyspongia ramosa (Gray, 1843) [SYNONYM SPECIES 2296:PWSV nidx=null parent=PWM8]
 + Callyspongia ramosa (Gray, 1843) [SYNONYM SPECIES 2298:84WF2 nidx=null parent=85SPN]
Callyspongia simplex
 - Callyspongia simplex (Duchassaing & Michelotti, 1864) [SYNONYM SPECIES 2296:PWTF nidx=null parent=PWNG]
 - Callyspongia simplex Burton, 1956 [SYNONYM SPECIES 2296:5X7BV nidx=null parent=5WVBX]
 + Callyspongia simplex (Duchassaing & Michelotti, 1864) [AMBIGUOUS_SYNONYM SPECIES 2298:84WF4 nidx=null parent=PWML]
 + Callyspongia simplex Burton, 1956 [AMBIGUOUS_SYNONYM SPECIES 2298:84WF5 nidx=null parent=85SPM]
Callyspongia subtilis
 - Callyspongia subtilis Pulitzer-Finali, 1993 [PROVISIONALLY_ACCEPTED SPECIES 2296:PWTV nidx=null]
 + Callyspongia subtilis Pulitzer-Finali, 1993 [AMBIGUOUS_SYNONYM SPECIES 2298:84WF6 nidx=null parent=85SPP]
Callyspongia truncata
 - Callyspongia truncata (Lindgren, 1897) [PROVISIONALLY_ACCEPTED SPECIES 2296:5X7BZ nidx=null]
 + Callyspongia truncata (Lindgren, 1897) [AMBIGUOUS_SYNONYM SPECIES 2298:84WF7 nidx=null parent=85SL3]
Callyspongia tubulosa
 - Callyspongia tubulosa sensu (Esper, 1797) [SYNONYM SPECIES 2296:5WVDC nidx=null parent=PWMH]
 + Callyspongia tubulosa sensu (Esper, 1797) [MISAPPLIED SPECIES 2298:84WF8 nidx=null parent=84WDR]
Callyspongia vaginalis
 - Callyspongia vaginalis (Lamarck, 1814) [SYNONYM SPECIES 2296:5X7DC nidx=null parent=PWNG]
 + Callyspongia vaginalis (Lamarck, 1814) [SYNONYM SPECIES 2298:84TLT nidx=null parent=PWML]
Callyspongia villosa
 - Callyspongia villosa (Lendenfeld, 1887) [ACCEPTED SPECIES 2296:5WVDB nidx=null]
 + Callyspongia villosa (Lendenfeld, 1887) [SYNONYM SPECIES 2298:84WF9 nidx=null parent=85SXG]
Callyspongiidae
 - Callyspongiidae [ACCEPTED FAMILY 2296:7KX nidx=null]
 + Callyspongiidae Laubenfels, 1936 [ACCEPTED FAMILY 2298:84JWC nidx=null]
Calonemertes
 - Calonemertes [ACCEPTED GENUS 2296:3FVJ nidx=null]
 + Calonemertes Coe, 1945 [ACCEPTED GENUS 2298:84MCL nidx=null]
Calozodion
 - Calozodion [ACCEPTED GENUS 2296:3FZH nidx=null]
 + Calozodion Gardiner, 1973 [ACCEPTED GENUS 2298:84LJY nidx=null]
Calthropella
 - Calthropella [ACCEPTED SUBGENUS 2296:3G2D nidx=null]
 - Calthropella [ACCEPTED GENUS 2296:62KQM nidx=null]
 + Calthropella Sollas, 1888 [ACCEPTED GENUS 2298:84LJZ nidx=null]
Calthropellidae
 - Calthropellidae [ACCEPTED FAMILY 2296:7LN nidx=null]
 + Calthropellidae Lendenfeld, 1907 [ACCEPTED FAMILY 2298:84JWG nidx=null]
Calvadosia
 - Calvadosia [ACCEPTED GENUS 2296:3G2P nidx=null]
 + Calvadosia James-Clark, 1863 [ACCEPTED GENUS 2298:84MCT nidx=null]
Calycosoma
 - Calycosoma [ACCEPTED GENUS 2296:3G4W nidx=null]
 + Calycosoma Schulze, 1899 [ACCEPTED GENUS 2298:84LK3 nidx=null]
Calypsopycnon
 - Calypsopycnon [ACCEPTED GENUS 2296:3G67 nidx=null]
 + Calypsopycnon Hedgpeth, 1948 [ACCEPTED GENUS 2298:84LK4 nidx=null]
Calyptorete
 - Calyptorete [ACCEPTED GENUS 2296:3G7P nidx=null]
 + Calyptorete Okada, 1925 [ACCEPTED GENUS 2298:84LK6 nidx=null]
Calyptrophora
 - Calyptrophora [ACCEPTED GENUS 2296:3G8Y nidx=null]
 + Calyptrophora Gray, 1866 [ACCEPTED GENUS 2298:84LK9 nidx=null]
Calyx
 - Calyx [ACCEPTED GENUS 2296:3G9D nidx=null]
 + Calyx Vosmaer, 1885 [ACCEPTED GENUS 2298:84LKB nidx=null]
Caminella
 - Caminella [ACCEPTED GENUS 2296:3GDF nidx=null]
 + Caminella Lendenfeld, 1894 [ACCEPTED GENUS 2298:84MFJ nidx=null]
Caminus
 - Caminus [ACCEPTED GENUS 2296:3GDM nidx=null]
 + Caminus Schmidt, 1862 [ACCEPTED GENUS 2298:84LKD nidx=null]
Caminus primus
 - Caminus primus Sim-Smith & Kelly, 2015 [ACCEPTED SPECIES 2296:69925 nidx=null]
 + Caminus primus Sim-Smith & Kelly, 2015 [SYNONYM SPECIES 2298:84WFH nidx=null parent=85S99]
Campbellonemertes
 - Campbellonemertes [ACCEPTED GENUS 2296:3GF4 nidx=null]
 + Campbellonemertes Moore & Gibson, 1972 [ACCEPTED GENUS 2298:84MFX nidx=null]
Campesyllis
 - Campesyllis [ACCEPTED GENUS 2296:3GFH nidx=null]
 + Campesyllis Chamberlin, 1919 [ACCEPTED GENUS 2298:84LKG nidx=null]
Camphorosma ovatum
 - Camphorosma ovatum Biasol. ex Moq. [SYNONYM SPECIES 2296:QCKT nidx=null parent=5G5WP]
 + Camphorosma ovatum Biasol. ex Moq. [SYNONYM SPECIES 2298:84WFM nidx=null parent=5G5WP]
Camptocythere
 - Camptocythere [ACCEPTED GENUS 2296:3GJ6 nidx=null]
 + Camptocythere Triebel, 1950 [ACCEPTED GENUS 2298:84MGG nidx=null]
Campylites
 - Campylites [ACCEPTED GENUS 2296:3GLX nidx=null]
 + Campylites Brood, 1988 [ACCEPTED GENUS 2298:84MGS nidx=null]
Campylocythere
 - Campylocythere [ACCEPTED GENUS 2296:62KSN nidx=null]
 + Campylocythere Edwards, 1944 [ACCEPTED GENUS 2298:84LKH nidx=null]
Canadia
 - Canadia [ACCEPTED GENUS 2296:3GP7 nidx=null]
 + Canadia Walcott, 1911 [ACCEPTED GENUS 2298:84MGX nidx=null]
Canarya
 - Canarya [ACCEPTED GENUS 2296:3GQH nidx=null]
 + Canarya Ocaña & van Ofwegen, 2003 [ACCEPTED GENUS 2298:84MGY nidx=null]
Candidaspongia
 - Candidaspongia [ACCEPTED GENUS 2296:3GS5 nidx=null]
 + Candidaspongia Bergquist, Sorokin & Karuso, 1999 [ACCEPTED GENUS 2298:84LKK nidx=null]
Candidella
 - Candidella [ACCEPTED GENUS 2296:3GS6 nidx=null]
 + Candidella Bayer, 1954 [ACCEPTED GENUS 2298:84LKL nidx=null]
Candobrasilopsis
 - Candobrasilopsis [ACCEPTED GENUS 2296:3GSF nidx=null]
 + Candobrasilopsis Higuti & Martens, 2012 [ACCEPTED GENUS 2298:84MH3 nidx=null]
Candocypria
 - Candocypria [ACCEPTED GENUS 2296:3GSG nidx=null]
 + Candocypria Furtos, 1933 [ACCEPTED GENUS 2298:84LKM nidx=null]
Candona
 - Candona [ACCEPTED GENUS 2296:3GSL nidx=null]
 + Candona Baird, 1845 [ACCEPTED GENUS 2298:84LKN nidx=null]
Candonidae
 - Candonidae [ACCEPTED FAMILY 2296:7NR nidx=null]
 + Candonidae Kaufmann, 1900 [ACCEPTED FAMILY 2298:84JWQ nidx=null]
Candonopsis
 - Candonopsis [ACCEPTED GENUS 2296:3GSM nidx=null]
 + Candonopsis Vavra, 1891 [ACCEPTED GENUS 2298:84MH4 nidx=null]
Cantabrina
 - Cantabrina [ACCEPTED GENUS 2296:62L5L nidx=null]
 + Cantabrina Ferrer-Hernandez, 1914 [ACCEPTED GENUS 2298:84LKP nidx=null]
Caobangia
 - Caobangia [ACCEPTED GENUS 2296:3GXP nidx=null]
 + Caobangia Giard, 1893 [ACCEPTED GENUS 2298:84MHG nidx=null]
Capilloventer
 - Capilloventer [ACCEPTED GENUS 2296:3GZY nidx=null]
 + Capilloventer Harman & Loden, 1984 [ACCEPTED GENUS 2298:84LKS nidx=null]
Capilloventridae
 - Capilloventridae [ACCEPTED FAMILY 2296:7P7 nidx=null]
 + Capilloventridae Harman & Loden, 1984 [ACCEPTED FAMILY 2298:84JWV nidx=null]
Capitella
 - Capitella [ACCEPTED GENUS 2296:62L78 nidx=null]
 + Capitella Blainville, 1828 [ACCEPTED GENUS 2298:84LKT nidx=null]
Capitellethus
 - Capitellethus [ACCEPTED GENUS 2296:3H2B nidx=null]
 + Capitellethus Chamberlin, 1919 [ACCEPTED GENUS 2298:84LKV nidx=null]
Capitellidae
 - Capitellidae [ACCEPTED FAMILY 2296:7P9 nidx=null]
 + Capitellidae Grube, 1862 [ACCEPTED FAMILY 2298:84JWW nidx=null]
Capitobranchus
 - Capitobranchus [ACCEPTED GENUS 2296:3H2M nidx=null]
 + Capitobranchus Day, 1962 [ACCEPTED GENUS 2298:84MHJ nidx=null]
Capitulatinoe
 - Capitulatinoe [ACCEPTED GENUS 2296:3H2Z nidx=null]
 + Capitulatinoe Hanley & Burke, 1989 [ACCEPTED GENUS 2298:84MHK nidx=null]
Capnella
 - Capnella [ACCEPTED GENUS 2296:3H36 nidx=null]
 + Capnella Gray, 1869 [ACCEPTED GENUS 2298:84LKW nidx=null]
Carabus herbstii
 - Carabus herbstii Dejean, 1826 [SYNONYM SPECIES 2296:QWWG nidx=null parent=5DR5R]
 + Carabus herbstii Dejean, 1826 [SYNONYM SPECIES 2298:84WG8 nidx=null parent=5DR5R]
Carazziella
 - Carazziella [ACCEPTED GENUS 2296:62KG7 nidx=null]
 + Carazziella Blake & Kudenov, 1978 [ACCEPTED GENUS 2298:84LL4 nidx=null]
Carbosesostris
 - Carbosesostris [ACCEPTED GENUS 2296:3HBN nidx=null]
 + Carbosesostris Schram, 1979 [ACCEPTED GENUS 2298:84MHQ nidx=null]
Carcinonemertes
 - Carcinonemertes [ACCEPTED GENUS 2296:3HCX nidx=null]
 + Carcinonemertes Coe, 1902 [ACCEPTED GENUS 2298:84LL5 nidx=null]
Carcinonemertidae
 - Carcinonemertidae [ACCEPTED FAMILY 2296:7QK nidx=null]
 + Carcinonemertidae Sumner, Osburn & Cole, 1913 [ACCEPTED FAMILY 2298:84JX3 nidx=null]
Cardionema ramosissima
 - Cardionema ramosissima (Weinm.) Thell. [SYNONYM SPECIES 2296:R5LC nidx=null parent=R5LB]
 + Cardionema ramosissima (Weinm.) Thell. [SYNONYM SPECIES 2298:84JQS nidx=null parent=R5LB]
Cardobairdia
 - Cardobairdia [ACCEPTED GENUS 2296:3HFZ nidx=null]
 + Cardobairdia Bold, 1960 [ACCEPTED GENUS 2298:84MHR nidx=null]
Caribbella
 - Caribbella [ACCEPTED GENUS 2296:3HHQ nidx=null]
 + Caribbella Teeter, 1975 [ACCEPTED GENUS 2298:84LLB nidx=null]
Caribella
 - Caribella [ACCEPTED GENUS 2296:3HJ2 nidx=null]
 + Caribella Teeter, 1975 [ACCEPTED GENUS 2298:84MHV nidx=null]
Caribisis
 - Caribisis [ACCEPTED GENUS 2296:3HJ6 nidx=null]
 + Caribisis Bayer & Stefani, 1987 [ACCEPTED GENUS 2298:84MHW nidx=null]
Carijoa
 - Carijoa [ACCEPTED GENUS 2296:3HK2 nidx=null]
 + Carijoa Müller, 1867 [ACCEPTED GENUS 2298:84LLD nidx=null]
Carinesta
 - Carinesta [ACCEPTED GENUS 2296:3HKQ nidx=null]
 + Carinesta Punnett, 1900 [ACCEPTED GENUS 2298:84LLF nidx=null]
Carinocythereis
 - Carinocythereis [ACCEPTED GENUS 2296:62KHD nidx=null]
 + Carinocythereis Ruggieri, 1956 [ACCEPTED GENUS 2298:84LLH nidx=null]
Carinoma
 - Carinoma [ACCEPTED GENUS 2296:3HLR nidx=null]
 + Carinoma Oudemans, 1885 [ACCEPTED GENUS 2298:84LLJ nidx=null]
Carinomella
 - Carinomella [ACCEPTED GENUS 2296:3HLS nidx=null]
 + Carinomella Coe, 1905 [ACCEPTED GENUS 2298:84LLK nidx=null]
Carinomidae
 - Carinomidae [ACCEPTED FAMILY 2296:7R7 nidx=null]
 + Carinomidae Bergendal, 1900 [ACCEPTED FAMILY 2298:84JX4 nidx=null]
Carinovalva
 - Carinovalva [ACCEPTED GENUS 2296:3HM8 nidx=null]
 + Carinovalva Sissingh, 1973 [ACCEPTED GENUS 2298:84MHX nidx=null]
Carlclausus
 - Carlclausus [ACCEPTED GENUS 2296:62KJ4 nidx=null]
 + Carlclausus Schram, Sieg & Malzahn, 1986 [ACCEPTED GENUS 2298:84MHZ nidx=null]
Carmia madraspatana
 - Carmia madraspatana (Annandale, 1914) [SYNONYM SPECIES 2296:5XC6K nidx=null parent=44RXV]
 + Carmia madraspatana (Annandale, 1914) [SYNONYM SPECIES 2298:84WGL nidx=null parent=85T2Q]
Carololangia
 - Carololangia [ACCEPTED GENUS 2296:3HRL nidx=null]
 + Carololangia Gardiner, 1975 [ACCEPTED GENUS 2298:84LLR nidx=null]
Carotalcyon
 - Carotalcyon [ACCEPTED GENUS 2296:3HRV nidx=null]
 + Carotalcyon Utinomi, 1952 [ACCEPTED GENUS 2298:84MJ4 nidx=null]
Carpoapseudes
 - Carpoapseudes [ACCEPTED GENUS 2296:3HTQ nidx=null]
 + Carpoapseudes Lang, 1968 [ACCEPTED GENUS 2298:84LLS nidx=null]
Carteriospongia contorta
 - Carteriospongia contorta Bergquist, Ayling & Wilkinson, 1988 [ACCEPTED SPECIES 2296:RH29 nidx=null]
 + Carteriospongia contorta Bergquist, Ayling & Wilkinson, 1988 [SYNONYM SPECIES 2298:84WGR nidx=null parent=85T6C]
Carteriospongia delicata
 - Carteriospongia delicata Pulitzer-Finali, 1982 [ACCEPTED SPECIES 2296:RH2B nidx=null]
 + Carteriospongia delicata Pulitzer-Finali, 1982 [SYNONYM SPECIES 2298:84WGS nidx=null parent=85T6D]
Carteriospongia elegans
 - Carteriospongia elegans (Lendenfeld, 1888) [SYNONYM SPECIES 2296:RH2C nidx=null parent=RH2G]
 + Carteriospongia elegans (Lendenfeld, 1888) [SYNONYM SPECIES 2298:84WGT nidx=null parent=84ZR2]
Carteriospongia fissurata
 - Carteriospongia fissurata (Lamarck, 1814) [SYNONYM SPECIES 2296:RH2D nidx=null parent=RH2G]
 + Carteriospongia fissurata (Lamarck, 1814) [SYNONYM SPECIES 2298:84WGV nidx=null parent=84ZR2]
Carteriospongia fissurella
 - Carteriospongia fissurella (de Laubenfels, 1948) [ACCEPTED SPECIES 2296:69DDX nidx=null]
 + Carteriospongia fissurella (Laubenfels, 1948) [SYNONYM SPECIES 2298:84WGW nidx=null parent=84ZQY]
Carteriospongia flabellifera
 - Carteriospongia flabellifera (Bowerbank, 1877) [ACCEPTED SPECIES 2296:RH2F nidx=null]
 + Carteriospongia flabellifera (Bowerbank, 1877) [SYNONYM SPECIES 2298:84WGX nidx=null parent=84ZVC]
Carteriospongia foliascens
 - Carteriospongia foliascens (Pallas, 1766) [ACCEPTED SPECIES 2296:RH2G nidx=null]
 + Carteriospongia foliascens (Pallas, 1766) [SYNONYM SPECIES 2298:84WGY nidx=null parent=84ZR2]
Carteriospongia lamellosa
 - Carteriospongia lamellosa (Esper, 1794) [SYNONYM SPECIES 2296:RH2H nidx=null parent=77G2F]
 + Carteriospongia lamellosa (Esper, 1794) [SYNONYM SPECIES 2298:84WGZ nidx=null parent=84ZR2]
Carteriospongia mystica
 - Carteriospongia mystica Hyatt, 1877 [ACCEPTED SPECIES 2296:RH2K nidx=null]
 + Carteriospongia mystica Hyatt, 1877 [SYNONYM SPECIES 2298:84WH2 nidx=null parent=85T5Y]
Carteriospongia otahitica
 - Carteriospongia otahitica (Esper, 1794) [SYNONYM SPECIES 2296:RH2L nidx=null parent=RH2G]
 + Carteriospongia otahitica (Esper, 1797) [SYNONYM SPECIES 2298:84WH3 nidx=null parent=84ZR2]
Carteriospongia otahitica var. aplanata
 - Carteriospongia otahitica var. aplanata Hyatt, 1877 [SYNONYM VARIETY 2296:5MWXB nidx=null parent=RH2G]
 + Carteriospongia otahitica var. aplanata Hyatt, 1877 [SYNONYM VARIETY 2298:852SM nidx=null parent=84ZR2]
Carteriospongia pennatula
 - Carteriospongia pennatula [ACCEPTED SPECIES 2296:RH2M nidx=null]
 + Carteriospongia pennatula [SYNONYM SPECIES 2298:84WH4 nidx=null parent=84ZR6]
Carteriospongia perforata
 - Carteriospongia perforata Hyatt, 1877 [ACCEPTED SPECIES 2296:RH2N nidx=null]
 + Carteriospongia perforata Hyatt, 1877 [SYNONYM SPECIES 2298:84WH5 nidx=null parent=85T5Z]
Carteriospongia radiata
 - Carteriospongia radiata Hyatt, 1877 [SYNONYM SPECIES 2296:RH2P nidx=null parent=77G2F]
 + Carteriospongia radiata Hyatt, 1877 [SYNONYM SPECIES 2298:84WH6 nidx=null parent=852FX]
Carteriospongia radiata var. complexa
 - Carteriospongia radiata var. complexa Hyatt, 1877 [SYNONYM VARIETY 2296:5MWXC nidx=null parent=77G2F]
 + Carteriospongia radiata var. complexa Hyatt, 1877 [SYNONYM VARIETY 2298:852SN nidx=null parent=852FX]
Carteriospongia radiata var. dulsiana
 - Carteriospongia radiata var. dulsiana Hyatt, 1877 [SYNONYM VARIETY 2296:5MWXD nidx=null parent=77G2F]
 + Carteriospongia radiata var. dulsiana Hyatt, 1877 [SYNONYM VARIETY 2298:852SP nidx=null parent=852FX]
Carteriospongia radiata var. radiata
 - Carteriospongia radiata var. radiata Hyatt, 1877 [SYNONYM VARIETY 2296:7LH8G nidx=null parent=77G2F]
 + Carteriospongia radiata var. radiata Hyatt, 1877 [SYNONYM VARIETY 2298:852SQ nidx=null parent=852FX]
Carteriospongia silicata
 - Carteriospongia silicata (Lendenfeld, 1889) [ACCEPTED SPECIES 2296:RH2Q nidx=null]
 + Carteriospongia silicata (Lendenfeld, 1889) [SYNONYM SPECIES 2298:84WH7 nidx=null parent=84ZR8]
Carteriospongia vermicularis
 - Carteriospongia vermicularis (Lendenfeld, 1889) [ACCEPTED SPECIES 2296:RH2S nidx=null]
 + Carteriospongia vermicularis (Lendenfeld, 1889) [SYNONYM SPECIES 2298:84WH8 nidx=null parent=84ZRB]
Carteriospongia vermifera
 - Carteriospongia vermifera Hyatt, 1877 [SYNONYM SPECIES 2296:RH2T nidx=null parent=RH2G]
 + Carteriospongia vermifera Hyatt, 1877 [SYNONYM SPECIES 2298:84WH9 nidx=null parent=84ZR2]
Carterispongia mantelli
 - Carterispongia mantelli (Bowerbank, 1874) [SYNONYM SPECIES 2296:RH32 nidx=null parent=RH2G]
 + Carterispongia mantelli (Bowerbank, 1874) [SYNONYM SPECIES 2298:84WHB nidx=null parent=84ZR2]
Carterispongia otahitica
 - Carterispongia otahitica (Esper, 1794) [SYNONYM SPECIES 2296:RH33 nidx=null parent=RH2G]
 + Carterispongia otahitica (Esper, 1797) [SYNONYM SPECIES 2298:84WHC nidx=null parent=84ZR2]
Carterispongia pennatula
 - Carterispongia pennatula [SYNONYM SPECIES 2296:RH34 nidx=null parent=RH2M]
 + Carterispongia pennatula [SYNONYM SPECIES 2298:84WHD nidx=null parent=84ZR6]
Carterispongia vermicularis
 - Carterispongia vermicularis (Lendenfeld, 1889) [SYNONYM SPECIES 2296:RH35 nidx=null parent=RH2S]
 + Carterispongia vermicularis (Lendenfeld, 1889) [SYNONYM SPECIES 2298:84WHF nidx=null parent=84ZRB]
Caryophyllia
 - Caryophyllia [ACCEPTED GENUS 2296:3HZ2 nidx=null]
 + Caryophyllia Lamarck, 1801 [ACCEPTED GENUS 2298:84LLW nidx=null]
Caryophylliidae
 - Caryophylliidae [ACCEPTED FAMILY 2296:7S3 nidx=null]
 + Caryophylliidae Dana, 1846 [ACCEPTED FAMILY 2298:84JX6 nidx=null]
Cassiopea
 - Cassiopea [ACCEPTED GENUS 2296:3J53 nidx=null]
 + Cassiopea Péron & Lesueur, 1810 [ACCEPTED GENUS 2298:84LM4 nidx=null]
Cassiopea xamachana
 - Cassiopea xamachana Bigelow, 1892 [SYNONYM SPECIES 2296:RN9Q nidx=null parent=RN9G]
 + Cassiopea xamachana Bigelow, 1892 [ACCEPTED SPECIES 2298:84M8J nidx=null]
Cassiopeidae
 - Cassiopeidae [ACCEPTED FAMILY 2296:7SD nidx=null]
 + Cassiopeidae Tilesius, 1831 [ACCEPTED FAMILY 2298:84JX7 nidx=null]
Castanoleberis
 - Castanoleberis [ACCEPTED GENUS 2296:3J5R nidx=null]
 + Castanoleberis Hu & Tao, 2008 [ACCEPTED GENUS 2298:84MJB nidx=null]
Catalaphyllia
 - Catalaphyllia [ACCEPTED GENUS 2296:3J9Q nidx=null]
 + Catalaphyllia Wells, 1971 [ACCEPTED GENUS 2298:84LM7 nidx=null]
Catenarius
 - Catenarius [ACCEPTED GENUS 2296:3JDR nidx=null]
 + Catenarius Bamber, 2008 [ACCEPTED GENUS 2298:84MJJ nidx=null]
Cathaycythere
 - Cathaycythere [ACCEPTED GENUS 2296:3JG9 nidx=null]
 + Cathaycythere Whatley & Zhao (Yi-Chun) , 1987 [ACCEPTED GENUS 2298:84MJL nidx=null]
Cativella
 - Cativella [ACCEPTED GENUS 2296:3JHJ nidx=null]
 + Cativella Coryell & Fields, 1937 [ACCEPTED GENUS 2298:84LMB nidx=null]
Catostylidae
 - Catostylidae [ACCEPTED FAMILY 2296:7T9 nidx=null]
 + Catostylidae Claus, 1883 [ACCEPTED FAMILY 2298:84JX9 nidx=null]
Catostylus
 - Catostylus [ACCEPTED GENUS 2296:3JKZ nidx=null]
 + Catostylus Agassiz, 1862 [ACCEPTED GENUS 2298:84LMF nidx=null]
Caudalonga
 - Caudalonga [ACCEPTED GENUS 2296:3JN4 nidx=null]
 + Caudalonga Larsen, 2005 [ACCEPTED GENUS 2298:84MJN nidx=null]
Caudites
 - Caudites [ACCEPTED GENUS 2296:3JNN nidx=null]
 + Caudites Coryell & Fields, 1937 [ACCEPTED GENUS 2298:84LMG nidx=null]
Caudoleptocythere
 - Caudoleptocythere [ACCEPTED GENUS 2296:3JNP nidx=null]
 + Caudoleptocythere (Yassini & Jones, 1995) [ACCEPTED GENUS 2298:84MJQ nidx=null]
Caulastraea
 - Caulastraea [ACCEPTED GENUS 2296:3JP6 nidx=null]
 + Caulastraea Dana, 1846 [ACCEPTED GENUS 2298:84LMH nidx=null]
Caulleriella
 - Caulleriella [ACCEPTED GENUS 2296:3JPF nidx=null]
 + Caulleriella Chamberlin, 1919 [ACCEPTED GENUS 2298:84LMJ nidx=null]
Caulleryaspis
 - Caulleryaspis [ACCEPTED GENUS 2296:3JPG nidx=null]
 + Caulleryaspis Sendall & Salazar-Vallejo, 2013 [ACCEPTED GENUS 2298:84MJS nidx=null]
Caulocalyx
 - Caulocalyx [ACCEPTED GENUS 2296:3JPN nidx=null]
 + Caulocalyx Schulze, 1886 [ACCEPTED GENUS 2298:84LMK nidx=null]
Caulophacus
 - Caulophacus [ACCEPTED SUBGENUS 2296:3JPZ nidx=null]
 - Caulophacus [ACCEPTED GENUS 2296:3JQ2 nidx=null]
 + Caulophacus Schulze, 1886 [ACCEPTED GENUS 2298:84LML nidx=null]
Caulophacus (Caulodiscus) lotifolium lotifolium
 - Caulophacus (Caulodiscus) lotifolium lotifolium Ijima, 1903 [ACCEPTED INFRASPECIFIC_NAME 2296:5DST9 nidx=null]
 + Caulophacus (Caulodiscus) lotifolium lotifolium Ijima, 1903 [SYNONYM SUBSPECIES 2298:852NX nidx=null parent=85TC2]
Caulophacus (Caulodiscus) lotifolium similis
 - Caulophacus (Caulodiscus) lotifolium similis Tabachnick & Lévi, 2004 [ACCEPTED INFRASPECIFIC_NAME 2296:7GMNT nidx=null]
 + Caulophacus (Caulodiscus) lotifolium similis Tabachnick & Lévi, 2004 [SYNONYM SUBSPECIES 2298:852NY nidx=null parent=85TC3]
Caulophacus brandti
 - Caulophacus brandti Janussen, Tabachnick & Tendal, 2004 [SYNONYM SPECIES 2296:5XF9S nidx=null parent=RXDV]
 + Caulophacus brandti Janussen, Tabachnick & Tendal, 2004 [SYNONYM SPECIES 2298:84WJG nidx=null parent=85SQ6]
Caulospongia
 - Caulospongia [ACCEPTED GENUS 2296:3JQB nidx=null]
 + Caulospongia Kent, 1871 [ACCEPTED GENUS 2298:84LMM nidx=null]
Cavellina
 - Cavellina [ACCEPTED GENUS 2296:3JRX nidx=null]
 + Cavellina Coryell, 1928 [ACCEPTED GENUS 2298:84MJV nidx=null]
Cavellinidae
 - Cavellinidae [ACCEPTED FAMILY 2296:7TP nidx=null]
 + Cavellinidae Egorov, 1950 [ACCEPTED FAMILY 2298:84K47 nidx=null]
Cavernularia
 - Cavernularia [ACCEPTED GENUS 2296:3JSF nidx=null]
 + Cavernularia Valenciennes in Milne Edwards & Haime, 1850 [ACCEPTED GENUS 2298:84LMT nidx=null]
Cavernulina
 - Cavernulina [ACCEPTED GENUS 2296:3JSG nidx=null]
 + Cavernulina Kükenthal & Broch, 1911 [ACCEPTED GENUS 2298:84MJY nidx=null]
Ceeceenus
 - Ceeceenus [ACCEPTED GENUS 2296:3JXF nidx=null]
 + Ceeceenus van Ofwegen & Benayahu, 2006 [ACCEPTED GENUS 2298:84MK3 nidx=null]
Celtia
 - Celtia [ACCEPTED GENUS 2296:3K3D nidx=null]
 + Celtia Neale, 1973 [ACCEPTED GENUS 2298:84LMW nidx=null]
Celtodoryx
 - Celtodoryx [ACCEPTED GENUS 2296:3K3K nidx=null]
 + Celtodoryx Pérez, Perrin, Carteron, Vacelet & Boury-Esnault, 2006 [ACCEPTED GENUS 2298:84MK9 nidx=null]
Cementula
 - Cementula [ACCEPTED GENUS 2296:3K3S nidx=null]
 + Cementula Nielsen, 1931 [ACCEPTED GENUS 2298:84MKB nidx=null]
Cenogenus
 - Cenogenus [ACCEPTED GENUS 2296:62K63 nidx=null]
 + Cenogenus Chamberlin, 1919 [ACCEPTED GENUS 2298:84MKD nidx=null]
Centaurea stevenii
 - Centaurea stevenii M. Bieb. [ACCEPTED SPECIES 2296:S7HW nidx=null]
 + Centaurea stevenii M. Bieb. [ACCEPTED SPECIES 2298:84WL6 nidx=null]
Centaurea ×  dufourei
 - Centaurea ×  dufourei Sennen [SYNONYM SPECIES 2296:S6GX nidx=null parent=S789]
 + Centaurea ×  dufourei Sennen [SYNONYM SPECIES 2298:84WL4 nidx=null parent=S789]
Cephalomastax
 - Cephalomastax [ACCEPTED GENUS 2296:3KFL nidx=null]
 + Cephalomastax Iwata, 1957 [ACCEPTED GENUS 2298:84MKQ nidx=null]
Cephalothrix
 - Cephalothrix [ACCEPTED GENUS 2296:3KJ5 nidx=null]
 + Cephalothrix Örsted, 1843 [ACCEPTED GENUS 2298:84LNB nidx=null]
Cephalothrix alba
 - Cephalothrix alba Gibson & Sundberg, 1992 [ACCEPTED SPECIES 2296:69K49 nidx=null]
 + Cephalothrix alba Gibson & Sundberg, 1992 [SYNONYM SPECIES 2298:84WL7 nidx=null parent=84WL9]
Cephalothrix arenarius
 - Cephalothrix arenarius Gibson, 1990 [ACCEPTED SPECIES 2296:5XK3W nidx=null]
 + Cephalothrix arenarius (Gibson, 1990) [SYNONYM SPECIES 2298:84TP3 nidx=null parent=5XJTH]
Cephalothrix coeca
 - Cephalothrix coeca [SYNONYM SPECIES 2296:5XJTC nidx=null parent=5XJTF]
 + Cephalothrix coeca Örsted, 1843 [SYNONYM SPECIES 2298:84WL8 nidx=null parent=5XJTF]
Cephalotrichella alba
 - Cephalotrichella alba (Gibson & Sundberg, 1992) [SYNONYM SPECIES 2296:5XJT4 nidx=null parent=69K49]
 + Cephalotrichella alba Gibson & Sundberg, 1992 [ACCEPTED SPECIES 2298:84WL9 nidx=null]
Cephalurichus
 - Cephalurichus [ACCEPTED GENUS 2296:3KJN nidx=null]
 + Cephalurichus Gibson, 1985 [ACCEPTED GENUS 2298:84MKZ nidx=null]
Cephea
 - Cephea [ACCEPTED GENUS 2296:3KJT nidx=null]
 + Cephea Péron & Lesueur, 1810 [ACCEPTED GENUS 2298:84LND nidx=null]
Cephea conifera
 - Cephea conifera Haeckel, 1880 [SYNONYM SPECIES 2296:SF43 nidx=null parent=SF3Z]
 + Cephea conifera Haeckel, 1880 [ACCEPTED SPECIES 2298:84M8N nidx=null]
Cepheidae
 - Cepheidae [ACCEPTED FAMILY 2296:7VS nidx=null]
 + Cepheidae Agassiz, 1862 [ACCEPTED FAMILY 2298:84JXD nidx=null]
Ceraochalina euplax
 - Ceraochalina euplax Lendenfeld, 1887 [SYNONYM SPECIES 2296:5XJBN nidx=null parent=PWM8]
 + Ceraochalina euplax Lendenfeld, 1887 [SYNONYM SPECIES 2298:84WLB nidx=null parent=85SPN]
Ceraochalina extrema
 - Ceraochalina extrema Lendenfeld, 1887 [SYNONYM SPECIES 2296:69JBN nidx=null parent=PWM8]
 + Ceraochalina extrema Lendenfeld, 1887 [SYNONYM SPECIES 2298:84WLC nidx=null parent=85SPN]
Ceraochalina levis
 - Ceraochalina levis Lendenfeld, 1887 [SYNONYM SPECIES 2296:5XJBK nidx=null parent=PWM8]
 + Ceraochalina levis Lendenfeld, 1887 [SYNONYM SPECIES 2298:84WLD nidx=null parent=85SPN]
Ceraochalina microrhaphis
 - Ceraochalina microrhaphis Lendenfeld, 1887 [SYNONYM SPECIES 2296:69JBK nidx=null parent=PWM8]
 + Ceraochalina microrhaphis Lendenfeld, 1887 [SYNONYM SPECIES 2298:84WLF nidx=null parent=85SPN]
Ceraochalina multiformis
 - Ceraochalina multiformis Lendenfeld, 1887 [SYNONYM SPECIES 2296:5XJBR nidx=null parent=PWM8]
 + Ceraochalina multiformis Lendenfeld, 1887 [SYNONYM SPECIES 2298:84WLG nidx=null parent=85SPN]
Ceraochalina multiformis var. digitata
 - Ceraochalina multiformis var. digitata Lendenfeld, 1887 [SYNONYM VARIETY 2296:5MYNG nidx=null parent=PWM8]
 + Ceraochalina multiformis var. digitata Lendenfeld, 1887 [SYNONYM VARIETY 2298:852SS nidx=null parent=85SPN]
Ceraochalina multiformis var. dura
 - Ceraochalina multiformis var. dura Lendenfeld, 1887 [SYNONYM VARIETY 2296:5MYNH nidx=null parent=PWM8]
 + Ceraochalina multiformis var. dura Lendenfeld, 1887 [SYNONYM VARIETY 2298:852ST nidx=null parent=85SPN]
Ceraochalina multiformis var. elegans
 - Ceraochalina multiformis var. elegans Lendenfeld, 1887 [SYNONYM VARIETY 2296:5MYNJ nidx=null parent=PWM8]
 + Ceraochalina multiformis var. elegans Lendenfeld, 1887 [SYNONYM VARIETY 2298:852SV nidx=null parent=85SPN]
Ceraochalina multiformis var. lamella
 - Ceraochalina multiformis var. lamella Lendenfeld, 1887 [SYNONYM VARIETY 2296:5MYNK nidx=null parent=PWM8]
 + Ceraochalina multiformis var. lamella Lendenfeld, 1887 [SYNONYM VARIETY 2298:852SW nidx=null parent=85SPN]
Ceraochalina multiformis var. maeandra
 - Ceraochalina multiformis var. maeandra Lendenfeld, 1887 [SYNONYM VARIETY 2296:5MYNL nidx=null parent=PWM8]
 + Ceraochalina multiformis var. maeandra Lendenfeld, 1887 [SYNONYM VARIETY 2298:852SX nidx=null parent=85SPN]
Ceraochalina multiformis var. mollis
 - Ceraochalina multiformis var. mollis Lendenfeld, 1887 [SYNONYM VARIETY 2296:5MYNN nidx=null parent=PWM8]
 + Ceraochalina multiformis var. mollis Lendenfeld, 1887 [SYNONYM VARIETY 2298:852SY nidx=null parent=85SPN]
Ceraochalina nuda
 - Ceraochalina nuda (Ridley, 1884) [SYNONYM SPECIES 2296:5XJC3 nidx=null parent=PWM8]
 + Ceraochalina nuda (Ridley, 1884) [SYNONYM SPECIES 2298:84WLH nidx=null parent=85SPN]
Ceraochalina nuda var. oxystrongylus
 - Ceraochalina nuda var. oxystrongylus Lendenfeld, 1887 [SYNONYM VARIETY 2296:5MYNP nidx=null parent=PWM8]
 + Ceraochalina nuda var. oxystrongylus Lendenfeld, 1887 [SYNONYM VARIETY 2298:852SZ nidx=null parent=85SPN]
Ceraochalina nuda var. oxyus
 - Ceraochalina nuda var. oxyus Lendenfeld, 1887 [SYNONYM VARIETY 2296:5MYNQ nidx=null parent=PWM8]
 + Ceraochalina nuda var. oxyus Lendenfeld, 1887 [SYNONYM VARIETY 2298:852T2 nidx=null parent=85SPN]
Ceraochalina papillata
 - Ceraochalina papillata Lendenfeld, 1887 [SYNONYM SPECIES 2296:69JC3 nidx=null parent=PWM8]
 + Ceraochalina papillata Lendenfeld, 1887 [SYNONYM SPECIES 2298:84WLJ nidx=null parent=85SPN]
Ceraochalina papillata var. intermedia
 - Ceraochalina papillata var. intermedia Lendenfeld, 1887 [SYNONYM VARIETY 2296:5MYNR nidx=null parent=PWM8]
 + Ceraochalina papillata var. intermedia Lendenfeld, 1887 [SYNONYM VARIETY 2298:852T3 nidx=null parent=85SPN]
Ceraochalina papillata var. macropora
 - Ceraochalina papillata var. macropora Lendenfeld, 1887 [SYNONYM VARIETY 2296:5MYNS nidx=null parent=PWM8]
 + Ceraochalina papillata var. macropora Lendenfeld, 1887 [SYNONYM VARIETY 2298:852T4 nidx=null parent=85SPN]
Ceraochalina papillata var. micropora
 - Ceraochalina papillata var. micropora Lendenfeld, 1887 [SYNONYM VARIETY 2296:5MYNT nidx=null parent=PWM8]
 + Ceraochalina papillata var. micropora Lendenfeld, 1887 [SYNONYM VARIETY 2298:852T5 nidx=null parent=85SPN]
Ceraochalina reteplax
 - Ceraochalina reteplax Lendenfeld, 1887 [SYNONYM SPECIES 2296:5XJBQ nidx=null parent=PWM8]
 + Ceraochalina reteplax Lendenfeld, 1887 [SYNONYM SPECIES 2298:84WLK nidx=null parent=85SPN]
Ceraochalina reticutis var. salomonensis
 - Ceraochalina reticutis var. salomonensis Dendy, 1922 [SYNONYM VARIETY 2296:5MYNV nidx=null parent=7LDTS]
 + Ceraochalina reticutis var. salomonensis Dendy, 1922 [SYNONYM VARIETY 2298:852T6 nidx=null parent=85NBD]
Ceraochalina tenella
 - Ceraochalina tenella Lendenfeld, 1887 [SYNONYM SPECIES 2296:69JBP nidx=null parent=PWM8]
 + Ceraochalina tenella Lendenfeld, 1887 [SYNONYM SPECIES 2298:84WLL nidx=null parent=85SPN]
Cerastium vulgatum var. grandiflora
 - Cerastium vulgatum var. grandiflora (D. Don) Edgew. & Hook. fil. [SYNONYM VARIETY 2296:7LH5S nidx=null parent=5GBCN]
 + Cerastium vulgatum var. grandiflora (D. Don) Edgew. & Hook. fil. [SYNONYM VARIETY 2298:84L3N nidx=null parent=5GBCN]
Cerasus serrulatus
 - Cerasus serrulatus G. Don [SYNONYM SPECIES 2296:SKX4 nidx=null parent=4N97T]
 + Cerasus serrulatus G. Don [SYNONYM SPECIES 2298:84WLM nidx=null parent=4N97T]
Ceratocaulon
 - Ceratocaulon [ACCEPTED GENUS 2296:3KRB nidx=null]
 + Ceratocaulon Jungersen, 1892 [ACCEPTED GENUS 2298:84MLJ nidx=null]
Ceratocephale
 - Ceratocephale [ACCEPTED GENUS 2296:3KRG nidx=null]
 + Ceratocephale Malmgren, 1867 [ACCEPTED GENUS 2298:84LNG nidx=null]
Ceratocephale osawai
 - Ceratocephale osawai Izuka, 1903 [SYNONYM SPECIES 2296:SMLR nidx=null parent=7CZS6]
 + Ceratocephale osawai Izuka, 1903 [SYNONYM SPECIES 2298:84WLN nidx=null parent=85FKH]
Ceratomyxa
 - Ceratomyxa [ACCEPTED GENUS 2296:62JWL nidx=null]
 + Ceratomyxa Thélohan, 1892 [ACCEPTED GENUS 2298:84MLN nidx=null]
Ceratomyxidae
 - Ceratomyxidae [ACCEPTED FAMILY 2296:7WL nidx=null]
 + Ceratomyxidae Doflein, 1899 [ACCEPTED FAMILY 2298:84K49 nidx=null]
Ceratonereis
 - Ceratonereis [ACCEPTED GENUS 2296:62K8M nidx=null]
 + Ceratonereis Kinberg, 1865 [ACCEPTED GENUS 2298:84LNH nidx=null]
Ceratoporella
 - Ceratoporella [ACCEPTED GENUS 2296:3KVL nidx=null]
 + Ceratoporella Hickson, 1912 [ACCEPTED GENUS 2298:84LNJ nidx=null]
Ceratopsion
 - Ceratopsion [ACCEPTED GENUS 2296:3KVT nidx=null]
 + Ceratopsion Strand, 1928 [ACCEPTED GENUS 2298:84LNK nidx=null]
Ceratopsion axiferum
 - Ceratopsion axiferum (Hentschel, 1912) [ACCEPTED SPECIES 2296:SPGB nidx=null]
 + Ceratopsion axiferum (Hentschel, 1912) [SYNONYM SPECIES 2298:84WLR nidx=null parent=85SMW]
Cerbaris
 - Cerbaris [ACCEPTED GENUS 2296:3KY9 nidx=null]
 + Cerbaris Topsent, 1898 [ACCEPTED GENUS 2298:84LNM nidx=null]
Cercaspis carinatus
 - Cercaspis carinatus Wagler, 1830 [SYNONYM SPECIES 2296:SQZP nidx=null parent=3WL22]
 + Cercaspis carinatus Wagler, 1830 [SYNONYM SPECIES 2298:84WLW nidx=null parent=3WL22]
Cercicladia
 - Cercicladia [ACCEPTED GENUS 2296:3KYX nidx=null]
 + Cercicladia Rios, Kelly & Vacelet, 2011 [ACCEPTED GENUS 2298:84MLR nidx=null]
Cerebratulides
 - Cerebratulides [ACCEPTED GENUS 2296:3L3G nidx=null]
 + Cerebratulides Stiasny-Wijnhoff, 1942 [ACCEPTED GENUS 2298:84MLV nidx=null]
Cerebratulina
 - Cerebratulina [ACCEPTED GENUS 2296:3L3H nidx=null]
 + Cerebratulina Gibson, 1990 [ACCEPTED GENUS 2298:84MLW nidx=null]
Cerebratulus
 - Cerebratulus [ACCEPTED GENUS 2296:3L3J nidx=null]
 + Cerebratulus Renier, 1804 [ACCEPTED GENUS 2298:84LNQ nidx=null]
Cerebratulus ater
 - Cerebratulus ater [SYNONYM SPECIES 2296:69LQD nidx=null parent=3844H]
 + Cerebratulus ater (Girard, 1851) [SYNONYM SPECIES 2298:84WLZ nidx=null parent=85TGT]
Cerebratulus magelhaensicus
 - Cerebratulus magelhaensicus [SYNONYM SPECIES 2296:69M2G nidx=null parent=4DJBG]
 + Cerebratulus magelhaensicus Bürger, 1895 [SYNONYM SPECIES 2298:84WM2 nidx=null parent=4DJBG]
Cerebratulus nigrus
 - Cerebratulus nigrus (Stimpson, 1855) [ACCEPTED SPECIES 2296:SWMC nidx=null]
 + Cerebratulus nigrus (Stimpson, 1855) [SYNONYM SPECIES 2298:84WM3 nidx=null parent=85TGS]
Cernosvitoviella
 - Cernosvitoviella [ACCEPTED GENUS 2296:3L65 nidx=null]
 + Cernosvitoviella Nielsen & Christensen, 1959 [ACCEPTED GENUS 2298:84LNS nidx=null]
Cervera
 - Cervera [ACCEPTED GENUS 2296:62JY4 nidx=null]
 + Cervera López-González, Ocaña, García-Gómez & Núñez, 1995 [ACCEPTED GENUS 2298:84MM8 nidx=null]
Cervicornia
 - Cervicornia [ACCEPTED GENUS 2296:3L9Z nidx=null]
 + Cervicornia Rützler & Hooper, 2000 [ACCEPTED GENUS 2298:84LNT nidx=null]
Cervilia
 - Cervilia [ACCEPTED GENUS 2296:62JXV nidx=null]
 + Cervilia Frickhinger, 1916 [ACCEPTED GENUS 2298:84LNV nidx=null]
Cetiopyge
 - Cetiopyge [ACCEPTED GENUS 2296:3LC9 nidx=null]
 + Cetiopyge Larsen & Heard, 2002 [ACCEPTED GENUS 2298:84MMD nidx=null]
Chaetacanthus
 - Chaetacanthus [ACCEPTED GENUS 2296:3LHF nidx=null]
 + Chaetacanthus Seidler, 1922 [ACCEPTED GENUS 2298:84LNY nidx=null]
Chaetacanthus barbatus
 - Chaetacanthus barbatus (Augener, 1910) [ACCEPTED SPECIES 2296:69MLZ nidx=null]
 + Chaetacanthus barbatus (Augener, 1910) [SYNONYM SPECIES 2298:84TQH nidx=null parent=69MLG]
Chaetocirratulus
 - Chaetocirratulus [ACCEPTED GENUS 2296:3LKK nidx=null]
 + Chaetocirratulus Blake, 2018 [ACCEPTED GENUS 2298:84MMH nidx=null]
Chaetodoryx
 - Chaetodoryx [ACCEPTED GENUS 2296:3LLW nidx=null]
 + Chaetodoryx Topsent, 1927 [ACCEPTED GENUS 2298:84LP6 nidx=null]
Chaetogaster
 - Chaetogaster [ACCEPTED GENUS 2296:3LM6 nidx=null]
 + Chaetogaster von Baer, 1827 [ACCEPTED GENUS 2298:84LP7 nidx=null]
Chaetogaster crystallinus
 - Chaetogaster crystallinus Vejdovský, 1883 [ACCEPTED SPECIES 2296:69NMN nidx=null]
 + Chaetogaster crystallinus Vejdovský, 1884 [SYNONYM SPECIES 2298:84TQL nidx=null parent=5XNMN]
Chaetoparia
 - Chaetoparia [ACCEPTED GENUS 2296:3LP5 nidx=null]
 + Chaetoparia Malmgren, 1867 [ACCEPTED GENUS 2298:84LP8 nidx=null]
Chaetopteridae
 - Chaetopteridae [ACCEPTED FAMILY 2296:7YY nidx=null]
 + Chaetopteridae Audouin & Milne Edwards, 1833 [ACCEPTED FAMILY 2298:84JXH nidx=null]
Chaetopterus
 - Chaetopterus [ACCEPTED GENUS 2296:3LQQ nidx=null]
 + Chaetopterus Cuvier, 1830 [ACCEPTED GENUS 2298:84LPF nidx=null]
Chaetopterus norvegicus
 - Chaetopterus norvegicus M. Sars, 1835 [SYNONYM SPECIES 2296:TDYN nidx=null parent=TDYZ]
 + Chaetopterus norvegicus M. Sars, 1835 [ACCEPTED SPECIES 2298:84TQM nidx=null]
Chaetostephanidae
 - Chaetostephanidae [ACCEPTED FAMILY 2296:7Z6 nidx=null]
 + Chaetostephanidae Salvini-Plawen, 1974 [ACCEPTED FAMILY 2298:84JXJ nidx=null]
Chaetozone
 - Chaetozone [ACCEPTED GENUS 2296:3LSZ nidx=null]
 + Chaetozone Malmgren, 1867 [ACCEPTED GENUS 2298:84LPG nidx=null]
Chalaronema
 - Chalaronema [ACCEPTED GENUS 2296:62M36 nidx=null]
 + Chalaronema Ijima, 1927 [ACCEPTED GENUS 2298:84LPH nidx=null]
Chalcogorgia
 - Chalcogorgia [ACCEPTED GENUS 2296:3LVK nidx=null]
 + Chalcogorgia Bayer, 1949 [ACCEPTED GENUS 2298:84MND nidx=null]
Chalina digitata
 - Chalina digitata [SYNONYM SPECIES 2296:THCZ nidx=null parent=3JCHT]
 - Chalina digitata Schmidt, 1866 [SYNONYM SPECIES 2296:THD2 nidx=null parent=7DGXC]
 + Chalina digitata [AMBIGUOUS_SYNONYM SPECIES 2298:84WMW nidx=null parent=3JCFM]
 + Chalina digitata Schmidt, 1866 [AMBIGUOUS_SYNONYM SPECIES 2298:84WMX nidx=null parent=84Z4R]
Chalina inornata
 - Chalina inornata Bowerbank, 1874 [SYNONYM SPECIES 2296:THDD nidx=null parent=7DGXC]
 + Chalina inornata Bowerbank, 1874 [SYNONYM SPECIES 2298:84WMY nidx=null parent=84Z4R]
Chalina oculata var. repens
 - Chalina oculata var. repens Carter, 1886 [SYNONYM VARIETY 2296:7LGJ9 nidx=null parent=6BXFS]
 + Chalina oculata var. repens Carter, 1886 [SYNONYM VARIETY 2298:852T7 nidx=null parent=85SS3]
Chalina palmata
 - Chalina palmata (Lamarck, 1814) [SYNONYM SPECIES 2296:THDQ nidx=null parent=PWM8]
 + Chalina palmata (Lamarck, 1814) [SYNONYM SPECIES 2298:84WMZ nidx=null parent=85SPN]
Chalina ramosa
 - Chalina ramosa (Grant, 1843) [SYNONYM SPECIES 2296:THDW nidx=null parent=PWM8]
 + Chalina ramosa (Grant, 1843) [SYNONYM SPECIES 2298:84WN2 nidx=null parent=85SPN]
Chalinidae
 - Chalinidae [ACCEPTED FAMILY 2296:7ZB nidx=null]
 + Chalinidae Gray, 1867 [ACCEPTED FAMILY 2298:84JXK nidx=null]
Chalinissa elongata var. tenuispicula
 - Chalinissa elongata var. tenuispicula Thum, 1903 [SYNONYM VARIETY 2296:5MZQM nidx=null parent=7LDTT]
 + Chalinissa elongata var. tenuispicula Thum, 1903 [AMBIGUOUS_SYNONYM VARIETY 2298:852T8 nidx=null parent=PWMD]
 + Chalinissa elongata var. tenuispicula (Thum, 1903) [ACCEPTED VARIETY 2298:852T9 nidx=null]
Chalinopora laxa
 - Chalinopora laxa Lendenfeld, 1887 [SYNONYM SPECIES 2296:THFV nidx=null parent=3JCLM]
 + Chalinopora laxa Lendenfeld, 1887 [SYNONYM SPECIES 2298:84WN4 nidx=null parent=85SPX]
Chalinula
 - Chalinula [ACCEPTED GENUS 2296:3LXX nidx=null]
 + Chalinula Schmidt, 1868 [ACCEPTED GENUS 2298:84LPM nidx=null]
Chalinula folium
 - Chalinula folium Schmidt, 1870 [SYNONYM SPECIES 2296:THH8 nidx=null parent=3JCK3]
 + Chalinula folium Schmidt, 1870 [SYNONYM SPECIES 2298:84WN5 nidx=null parent=3JCK3]
Chalinula ovulum
 - Chalinula ovulum Schmidt, 1870 [SYNONYM SPECIES 2296:THHK nidx=null parent=D32W]
 + Chalinula ovulum Schmidt, 1870 [SYNONYM SPECIES 2298:84WN6 nidx=null parent=85SN3]
Characella
 - Characella [ACCEPTED GENUS 2296:3M6Y nidx=null]
 + Characella Sollas, 1886 [ACCEPTED GENUS 2298:84LPQ nidx=null]
Charbeitanais
 - Charbeitanais [ACCEPTED GENUS 2296:3M8J nidx=null]
 + Charbeitanais Bamber & Bird, 1997 [ACCEPTED GENUS 2298:84MPP nidx=null]
Charcotus
 - Charcotus [ACCEPTED GENUS 2296:3M8N nidx=null]
 + Charcotus DattaGupta, 1981 [ACCEPTED GENUS 2298:84LPS nidx=null]
Chartocythere
 - Chartocythere [ACCEPTED GENUS 2296:3MC8 nidx=null]
 + Chartocythere Buryndina, 1969 [ACCEPTED GENUS 2298:84MPX nidx=null]
Chathamisis
 - Chathamisis [ACCEPTED GENUS 2296:62M57 nidx=null]
 + Chathamisis Grant, 1976 [ACCEPTED GENUS 2298:84MQ5 nidx=null]
Chauliopleona
 - Chauliopleona [ACCEPTED GENUS 2296:3MF8 nidx=null]
 + Chauliopleona Dojiri & Sieg, 1997 [ACCEPTED GENUS 2298:84LPV nidx=null]
Chaunangium
 - Chaunangium [ACCEPTED GENUS 2296:62M4K nidx=null]
 + Chaunangium Schulze, 1904 [ACCEPTED GENUS 2298:84LPW nidx=null]
Chaunoplectella
 - Chaunoplectella [ACCEPTED GENUS 2296:3MFL nidx=null]
 + Chaunoplectella Ijima, 1896 [ACCEPTED GENUS 2298:84LPX nidx=null]
Chauvinelia
 - Chauvinelia [ACCEPTED GENUS 2296:3MFV nidx=null]
 + Chauvinelia Laubier, 1974 [ACCEPTED GENUS 2298:84MQB nidx=null]
Chavocythere
 - Chavocythere [ACCEPTED GENUS 2296:3MG5 nidx=null]
 + Chavocythere McKenzie, Reyment & Reyment, 1990 [ACCEPTED GENUS 2298:84MQF nidx=null]
Chavturia
 - Chavturia [ACCEPTED GENUS 2296:3MG6 nidx=null]
 + Chavturia Angel, 2013 [ACCEPTED GENUS 2298:84MQG nidx=null]
Cheilonereis
 - Cheilonereis [ACCEPTED GENUS 2296:62M4N nidx=null]
 + Cheilonereis Benham, 1916 [ACCEPTED GENUS 2298:84LPY nidx=null]
Cheilopallene
 - Cheilopallene [ACCEPTED GENUS 2296:3MHK nidx=null]
 + Cheilopallene Stock, 1955 [ACCEPTED GENUS 2298:84LPZ nidx=null]
Cheiridogenys
 - Cheiridogenys [ACCEPTED GENUS 2296:3MJS nidx=null]
 + Cheiridogenys Jansonius & Craig, 1971 [ACCEPTED GENUS 2298:84MQR nidx=null]
Chejucythere
 - Chejucythere [ACCEPTED GENUS 2296:3MLH nidx=null]
 + Chejucythere Choe, 1988 [ACCEPTED GENUS 2298:84MQX nidx=null]
Chejudocythere
 - Chejudocythere [ACCEPTED GENUS 2296:3MLJ nidx=null]
 + Chejudocythere Ishizaki, 1981 [ACCEPTED GENUS 2298:84MQY nidx=null]
Chelicopia
 - Chelicopia [ACCEPTED GENUS 2296:3MMJ nidx=null]
 + Chelicopia Kornicker, 1958 [ACCEPTED GENUS 2298:84LQ2 nidx=null]
Chelidonisis
 - Chelidonisis [ACCEPTED GENUS 2296:3MMP nidx=null]
 + Chelidonisis Studer, 1890 [ACCEPTED GENUS 2298:84MR3 nidx=null]
Chelonaplysilla
 - Chelonaplysilla [ACCEPTED GENUS 2296:3MP5 nidx=null]
 + Chelonaplysilla Laubenfels, 1948 [ACCEPTED GENUS 2298:84LQ3 nidx=null]
Chelonaplysilla erecta
 - Chelonaplysilla erecta Tsurnamal, 1967 [PROVISIONALLY_ACCEPTED SPECIES 2296:TVDD nidx=null]
 + Chelonaplysilla erecta Tsurnamal, 1967 [SYNONYM SPECIES 2298:84TR4 nidx=null parent=5Y2ZJ]
Chelotropella
 - Chelotropella [ACCEPTED GENUS 2296:3MQF nidx=null]
 + Chelotropella Lendenfeld, 1907 [ACCEPTED GENUS 2298:84LQ4 nidx=null]
Chenidrilus
 - Chenidrilus [ACCEPTED GENUS 2296:3MRP nidx=null]
 + Chenidrilus Liang & Xie, 1997 [ACCEPTED GENUS 2298:84MR5 nidx=null]
Chernovskiia macrocera
 - Chernovskiia macrocera Saether, 1977 [PROVISIONALLY_ACCEPTED SPECIES 2296:TXZ4 nidx=null]
 + Chernovskiia macrocera Saether, 1977 [PROVISIONALLY_ACCEPTED SPECIES 2298:84WN9 nidx=null]
Cherokeesia
 - Cherokeesia [ACCEPTED GENUS 2296:3MT3 nidx=null]
 + Cherokeesia Copeland, Manconi & Pronzato, 2015 [ACCEPTED GENUS 2298:84MRB nidx=null]
Cherusca
 - Cherusca [ACCEPTED GENUS 2296:3MTX nidx=null]
 + Cherusca Müller, 1858 [ACCEPTED GENUS 2298:84MRC nidx=null]
Chilineus
 - Chilineus [ACCEPTED GENUS 2296:3MZV nidx=null]
 + Chilineus Friedrich, 1970 [ACCEPTED GENUS 2298:84MRP nidx=null]
Chinonereis edestus
 - Chinonereis edestus Chamberlin, 1924 [SYNONYM SPECIES 2296:5Y3SR nidx=null parent=7CZS5]
 + Chinonereis edestus Chamberlin, 1924 [SYNONYM SPECIES 2298:84WNH nidx=null parent=85FKG]
Chirimia
 - Chirimia [ACCEPTED GENUS 2296:3NB2 nidx=null]
 + Chirimia Light, 1991 [ACCEPTED GENUS 2298:84MRX nidx=null]
Chironephthya
 - Chironephthya [ACCEPTED GENUS 2296:62M7N nidx=null]
 + Chironephthya Studer, 1887 [ACCEPTED GENUS 2298:84MRZ nidx=null]
Chitinopoma
 - Chitinopoma [ACCEPTED GENUS 2296:62LW3 nidx=null]
 + Chitinopoma Levinsen, 1884 [ACCEPTED GENUS 2298:84LQG nidx=null]
Chitinopomoides
 - Chitinopomoides [ACCEPTED GENUS 2296:62M7R nidx=null]
 + Chitinopomoides Benham, 1927 [ACCEPTED GENUS 2298:84MSC nidx=null]
Chloeia
 - Chloeia [ACCEPTED GENUS 2296:3NJL nidx=null]
 + Chloeia Lamarck, 1818 [ACCEPTED GENUS 2298:84LQM nidx=null]
Chloenopsis
 - Chloenopsis [ACCEPTED GENUS 2296:3NJM nidx=null]
 + Chloenopsis Fauchald, 1977 [ACCEPTED GENUS 2298:84MSJ nidx=null]
Chloromyxidae
 - Chloromyxidae [ACCEPTED FAMILY 2296:85Y nidx=null]
 + Chloromyxidae Thélohan, 1892 [ACCEPTED FAMILY 2298:84JXM nidx=null]
Chloromyxum
 - Chloromyxum [ACCEPTED GENUS 2296:62LX3 nidx=null]
 + Chloromyxum Mingazzini, 1890 [ACCEPTED GENUS 2298:84MSR nidx=null]
Chloromyxum clupeidae
 - Chloromyxum clupeidae [SYNONYM SPECIES 2296:5Y9WY nidx=null parent=3RF7B]
 + Chloromyxum clupeidae Hahn, 1917 [SYNONYM SPECIES 2298:84WPQ nidx=null parent=3RF7B]
Chlorops socius
 - Chlorops socius Becker, 1912 [ACCEPTED SPECIES 2296:5Y9FT nidx=null]
 + Chlorops socius Becker, 1912 [ACCEPTED SPECIES 2298:84WPR nidx=null]
Choanophorus
 - Choanophorus [ACCEPTED GENUS 2296:62LHJ nidx=null]
 + Choanophorus Bubko, 1965 [ACCEPTED GENUS 2298:84MSX nidx=null]
Choanostomellia
 - Choanostomellia [ACCEPTED GENUS 2296:62LHM nidx=null]
 + Choanostomellia Zenkevitch, 1964 [ACCEPTED GENUS 2298:84LR4 nidx=null]
Chondrilla
 - Chondrilla [ACCEPTED GENUS 2296:3NXM nidx=null]
 + Chondrilla Schmidt, 1862 [ACCEPTED GENUS 2298:84JMG nidx=null]
Chondrillida
 - Chondrillida [ACCEPTED ORDER 2296:XV nidx=null]
 + Chondrillida Redmond, Morrow, Thacker, Diaz, Boury-Esnault, Cardenas, Hajdu, Lobo-Hajdu, Picton, Pomponi, Kayal & Collins, 2013 [ACCEPTED ORDER 2298:84JVP nidx=null]
Chondrillidae
 - Chondrillidae [ACCEPTED FAMILY 2296:624B5 nidx=null]
 + Chondrillidae Gray, 1872 [ACCEPTED FAMILY 2298:84JXN nidx=null]
Chondrochelia
 - Chondrochelia [ACCEPTED GENUS 2296:3NXX nidx=null]
 + Chondrochelia Gutu, 2016 [ACCEPTED GENUS 2298:84MT3 nidx=null]
Chondrocladia
 - Chondrocladia [ACCEPTED GENUS 2296:3NXZ nidx=null]
 - Chondrocladia [ACCEPTED SUBGENUS 2296:3NY2 nidx=null]
 + Chondrocladia Thomson, 1873 [ACCEPTED GENUS 2298:84LRH nidx=null]
Chondronephthya
 - Chondronephthya [ACCEPTED GENUS 2296:3NYR nidx=null]
 + Chondronephthya Utinomi, 1960 [ACCEPTED GENUS 2298:84MT4 nidx=null]
Chondropodus
 - Chondropodus [ACCEPTED GENUS 2296:3NZ4 nidx=null]
 + Chondropodus Gutu, 2006 [ACCEPTED GENUS 2298:84MT5 nidx=null]
Chondropsidae
 - Chondropsidae [ACCEPTED FAMILY 2296:86G nidx=null]
 + Chondropsidae Carter, 1886 [ACCEPTED FAMILY 2298:84JXP nidx=null]
Chondropsis
 - Chondropsis [ACCEPTED GENUS 2296:3NZ8 nidx=null]
 + Chondropsis Carter, 1886 [ACCEPTED GENUS 2298:84LRJ nidx=null]
Chondrosia
 - Chondrosia [ACCEPTED GENUS 2296:3NZF nidx=null]
 + Chondrosia Nardo, 1847 [ACCEPTED GENUS 2298:84LRL nidx=null]
Chondrosiida
 - Chondrosiida [ACCEPTED ORDER 2296:XW nidx=null]
 + Chondrosiida Boury-Esnault & Lopes, 1985 [ACCEPTED ORDER 2298:84JVQ nidx=null]
Chondrosiidae
 - Chondrosiidae [ACCEPTED FAMILY 2296:86H nidx=null]
 + Chondrosiidae Schulze, 1877 [ACCEPTED FAMILY 2298:84JXQ nidx=null]
Chone
 - Chone [ACCEPTED GENUS 2296:3P23 nidx=null]
 + Chone Krøyer, 1856 [ACCEPTED GENUS 2298:84LRM nidx=null]
Chonelasma
 - Chonelasma [ACCEPTED GENUS 2296:3P27 nidx=null]
 + Chonelasma Schulze, 1886 [ACCEPTED GENUS 2298:84LRP nidx=null]
Chonothea
 - Chonothea [ACCEPTED GENUS 2296:3P2Y nidx=null]
 + Chonothea Nakamura & Child, 1983 [ACCEPTED GENUS 2298:84LRQ nidx=null]
Christerius
 - Christerius [ACCEPTED GENUS 2296:3P98 nidx=null]
 + Christerius Holmquist, 1985 [ACCEPTED GENUS 2298:84MTF nidx=null]
Chromonephthea
 - Chromonephthea [ACCEPTED GENUS 2296:3PBW nidx=null]
 + Chromonephthea van Ofwegen, 2005 [ACCEPTED GENUS 2298:84MTK nidx=null]
Chromoplexaura
 - Chromoplexaura [ACCEPTED GENUS 2296:3PC4 nidx=null]
 + Chromoplexaura Williams, 2013 [ACCEPTED GENUS 2298:84MTL nidx=null]
Chrotella amphiacantha
 - Chrotella amphiacantha Topsent, 1904 [SYNONYM SPECIES 2296:5YK6D nidx=null parent=VCPH]
 + Chrotella amphiacantha Topsent, 1904 [SYNONYM SPECIES 2298:84WTL nidx=null parent=85LPZ]
Chrysaora
 - Chrysaora [ACCEPTED GENUS 2296:62LM8 nidx=null]
 + Chrysaora Péron & Lesueur, 1810 [ACCEPTED GENUS 2298:84LRY nidx=null]
Chrysaora helvola
 - Chrysaora helvola Brandt, 1838 [ACCEPTED SPECIES 2296:5YKPV nidx=null]
 + Chrysaora helvola Brandt, 1838 [SYNONYM SPECIES 2298:84M96 nidx=null parent=5YL26]
Chrysocythere
 - Chrysocythere [ACCEPTED GENUS 2296:3PH7 nidx=null]
 + Chrysocythere Ruggieri, 1962 [ACCEPTED GENUS 2298:84MTQ nidx=null]
Chrysogorgia
 - Chrysogorgia [ACCEPTED GENUS 2296:3PHT nidx=null]
 + Chrysogorgia Duchassaing & Michelotti, 1864 [ACCEPTED GENUS 2298:84LS4 nidx=null]
Chrysogorgiidae
 - Chrysogorgiidae [ACCEPTED FAMILY 2296:87R nidx=null]
 + Chrysogorgiidae Verrill, 1883 [ACCEPTED FAMILY 2298:84JXR nidx=null]
Chrysopetalidae
 - Chrysopetalidae [ACCEPTED FAMILY 2296:87T nidx=null]
 + Chrysopetalidae Ehlers, 1864 [ACCEPTED FAMILY 2298:84JXS nidx=null]
Chrysopetalum
 - Chrysopetalum [ACCEPTED GENUS 2296:3PKK nidx=null]
 + Chrysopetalum Ehlers, 1864 [ACCEPTED GENUS 2298:84LS5 nidx=null]
Chukucythere
 - Chukucythere [ACCEPTED GENUS 2296:3PP2 nidx=null]
 + Chukucythere Hu & Tao, 2008 [ACCEPTED GENUS 2298:84MV8 nidx=null]
Chunella
 - Chunella [ACCEPTED GENUS 2296:3PP6 nidx=null]
 + Chunella Kükenthal, 1902 [ACCEPTED GENUS 2298:84LS8 nidx=null]
Chunellidae
 - Chunellidae [ACCEPTED FAMILY 2296:88B nidx=null]
 + Chunellidae Kükenthal, 1902 [ACCEPTED FAMILY 2298:84JXT nidx=null]
Chunianna
 - Chunianna [ACCEPTED GENUS 2296:3PPB nidx=null]
 + Chunianna Coe, 1954 [ACCEPTED GENUS 2298:84MV9 nidx=null]
Chuniella
 - Chuniella [ACCEPTED GENUS 2296:3PPC nidx=null]
 + Chuniella Brinkmann, 1917 [ACCEPTED GENUS 2298:84MVB nidx=null]
Chuniellidae
 - Chuniellidae [ACCEPTED FAMILY 2296:88D nidx=null]
 + Chuniellidae Brinkmann, 1917 [ACCEPTED FAMILY 2298:84K4D nidx=null]
Cicese
 - Cicese [ACCEPTED GENUS 2296:3PTC nidx=null]
 + Cicese Díaz-Castañeda & San Martín, 2001 [ACCEPTED GENUS 2298:84MVD nidx=null]
Cilunculus
 - Cilunculus [ACCEPTED GENUS 2296:3PWQ nidx=null]
 + Cilunculus Loman, 1908 [ACCEPTED GENUS 2298:84LSB nidx=null]
Cimbaurila
 - Cimbaurila [ACCEPTED GENUS 2296:3PWV nidx=null]
 + Cimbaurila Ruggieri, 1976 [ACCEPTED GENUS 2298:84MVJ nidx=null]
Cinachyra
 - Cinachyra [ACCEPTED GENUS 2296:62LC3 nidx=null]
 + Cinachyra Sollas, 1886 [ACCEPTED GENUS 2298:84LSC nidx=null]
Cinachyra cavernosa
 - Cinachyra cavernosa (Lamarck, 1815 sensu Tsurnamal, 1969) [SYNONYM SPECIES 2296:VCNH nidx=null parent=6Q7GX]
 + Cinachyra cavernosa (Lamarck, 1815 sensu Tsurnamal, 1969) [MISAPPLIED SPECIES 2298:84TSM nidx=null parent=6Q7GX]
Cinachyrella
 - Cinachyrella [ACCEPTED GENUS 2296:3PXV nidx=null]
 + Cinachyrella Wilson, 1925 [ACCEPTED GENUS 2298:84LSD nidx=null]
Cinachyrella globulosa
 - Cinachyrella globulosa Desqueyroux-Faúndez & van Soest, 1997 [PROVISIONALLY_ACCEPTED SPECIES 2296:VCPZ nidx=null]
 + Cinachyrella globulosa Desqueyroux-Faúndez & van Soest, 1997 [AMBIGUOUS_SYNONYM SPECIES 2298:84WVR nidx=null parent=85SQN]
Cinnamomum malabatrum
 - Cinnamomum malabatrum (Burm. fil.) J. Presl [ACCEPTED SPECIES 2296:5Z7BL nidx=null]
 + Cinnamomum malabatrum (Burm. fil.) J. Presl [ACCEPTED SPECIES 2298:84WVS nidx=null]
Ciocalapata
 - Ciocalapata [ACCEPTED GENUS 2296:3Q2C nidx=null]
 + Ciocalapata de Laubenfels, 1936 [ACCEPTED GENUS 2298:84LSF nidx=null]
Ciocalypta
 - Ciocalypta [ACCEPTED GENUS 2296:3Q2D nidx=null]
 + Ciocalypta Bowerbank, 1862 [ACCEPTED GENUS 2298:84LSG nidx=null]
Circeis
 - Circeis [ACCEPTED GENUS 2296:3Q3M nidx=null]
 + Circeis Saint-Joseph, 1894 [ACCEPTED GENUS 2298:84LSH nidx=null]
Circinisis
 - Circinisis [ACCEPTED GENUS 2296:3Q3X nidx=null]
 + Circinisis Grant, 1976 [ACCEPTED GENUS 2298:84MVQ nidx=null]
Circophyllia
 - Circophyllia [ACCEPTED GENUS 2296:3Q4K nidx=null]
 + Circophyllia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84MVR nidx=null]
Circularius
 - Circularius [ACCEPTED GENUS 2296:3Q4S nidx=null]
 + Circularius McFadden & van Ofwegen, 2017 [ACCEPTED GENUS 2298:84MVS nidx=null]
Cirratulidae
 - Cirratulidae [ACCEPTED FAMILY 2296:89J nidx=null]
 + Cirratulidae Ryckholt, 1851 [ACCEPTED FAMILY 2298:84JXX nidx=null]
Cirratulus
 - Cirratulus [ACCEPTED GENUS 2296:3Q5L nidx=null]
 + Cirratulus Lamarck, 1818 [ACCEPTED GENUS 2298:84LSK nidx=null]
Cirratulus grandis
 - Cirratulus grandis [ACCEPTED SPECIES 2296:VGKF nidx=null]
 + Cirratulus grandis Verrill, 1873 [SYNONYM SPECIES 2298:84TSS nidx=null parent=84TST]
Cirratulus tenuis
 - Cirratulus tenuis Verrill, 1873 [SYNONYM SPECIES 2296:VGLF nidx=null parent=VGKF]
 + Cirratulus tenuis Verrill, 1873 [AMBIGUOUS_SYNONYM SPECIES 2298:84WVW nidx=null parent=84TST]
Cirriformia
 - Cirriformia [ACCEPTED GENUS 2296:3Q6J nidx=null]
 + Cirriformia Hartman, 1936 [ACCEPTED GENUS 2298:84LSL nidx=null]
Cirrophorus
 - Cirrophorus [ACCEPTED GENUS 2296:3Q77 nidx=null]
 + Cirrophorus Ehlers, 1908 [ACCEPTED GENUS 2298:84LSM nidx=null]
Cirrophorus rubriceps
 - Cirrophorus rubriceps [SYNONYM SPECIES 2296:VH6X nidx=null parent=4D6YK]
 + Cirrophorus rubriceps (Hartman & Fauchald, 1971) [SYNONYM SPECIES 2298:84WVX nidx=null parent=4D6YK]
Cirsium wallichii var. fasciculatum
 - Cirsium wallichii var. fasciculatum (Hook. fil.) Raizada [SYNONYM VARIETY 2296:5N4FF nidx=null parent=5N4FC]
 + Cirsium wallichii var. fasciculatum (Hook. fil.) Raizada [SYNONYM VARIETY 2298:84ZK8 nidx=null parent=5N4FC]
Cistacythereis
 - Cistacythereis [ACCEPTED GENUS 2296:3Q8X nidx=null]
 + Cistacythereis Uliczny, 1969 [ACCEPTED GENUS 2298:84MVZ nidx=null]
Cistena cylindraria
 - Cistena cylindraria (Pallas, 1766) [SYNONYM SPECIES 2296:VLD7 nidx=null parent=3RX5J]
 + Cistena cylindraria (Pallas, 1766) [SYNONYM SPECIES 2298:84WW3 nidx=null parent=75VKH]
Cistenides
 - Cistenides [ACCEPTED GENUS 2296:3Q96 nidx=null]
 + Cistenides Malmgren, 1866 [ACCEPTED GENUS 2298:84LSN nidx=null]
Cistenides gouldii
 - Cistenides gouldii Verrill, 1873 [ACCEPTED SPECIES 2296:VLDD nidx=null]
 + Cistenides gouldii Verrill, 1873 [SYNONYM SPECIES 2298:84TSV nidx=null parent=767KQ]
Cistenides okudai
 - Cistenides okudai Imajima & Hartman, 1964 [ACCEPTED SPECIES 2296:VLDG nidx=null]
 + Cistenides okudai Imajima & Hartman, 1964 [SYNONYM SPECIES 2298:84WW5 nidx=null parent=85F5W]
Citronia
 - Citronia [ACCEPTED GENUS 2296:62LFL nidx=null]
 + Citronia Cook & Bergquist, 2002 [ACCEPTED GENUS 2298:84LSP nidx=null]
Cladangia
 - Cladangia [ACCEPTED GENUS 2296:3QBP nidx=null]
 + Cladangia Milne Edwards & Haime, 1851 [ACCEPTED GENUS 2298:84LSS nidx=null]
Cladarisis
 - Cladarisis [ACCEPTED GENUS 2296:3QBS nidx=null]
 + Cladarisis Watling, 2015 [ACCEPTED GENUS 2298:84MW4 nidx=null]
Cladiella
 - Cladiella [ACCEPTED GENUS 2296:3QC6 nidx=null]
 + Cladiella Gray, 1869 [ACCEPTED GENUS 2298:84MW5 nidx=null]
Cladochalina dendroides
 - Cladochalina dendroides Lendenfeld, 1887 [SYNONYM SPECIES 2296:VNW6 nidx=null parent=PWM8]
 + Cladochalina dendroides Lendenfeld, 1887 [SYNONYM SPECIES 2298:84WW7 nidx=null parent=85SPN]
Cladochalina mammillata
 - Cladochalina mammillata Lendenfeld, 1887 [SYNONYM SPECIES 2296:VNWD nidx=null parent=PWM8]
 + Cladochalina mammillata Lendenfeld, 1887 [SYNONYM SPECIES 2298:84WW8 nidx=null parent=85SPN]
Cladochalina nuda
 - Cladochalina nuda Ridley, 1884 [SYNONYM SPECIES 2296:VNWF nidx=null parent=PWM8]
 + Cladochalina nuda Ridley, 1884 [SYNONYM SPECIES 2298:84WW9 nidx=null parent=85SPN]
Cladochalina nuda var. abruptispicula
 - Cladochalina nuda var. abruptispicula Ridley, 1884 [SYNONYM VARIETY 2296:5N4NR nidx=null parent=PWM8]
 + Cladochalina nuda var. abruptispicula Ridley, 1884 [SYNONYM VARIETY 2298:852TB nidx=null parent=85SPN]
Cladochalina tenuirhaphis
 - Cladochalina tenuirhaphis Lendenfeld, 1887 [SYNONYM SPECIES 2296:VNWK nidx=null parent=PWM8]
 + Cladochalina tenuirhaphis Lendenfeld, 1887 [SYNONYM SPECIES 2298:84WWB nidx=null parent=85SPN]
Cladocora
 - Cladocora [ACCEPTED GENUS 2296:3QD4 nidx=null]
 + Cladocora Ehrenberg, 1834 [ACCEPTED GENUS 2298:84LSV nidx=null]
Cladocroce
 - Cladocroce [ACCEPTED GENUS 2296:3QD7 nidx=null]
 + Cladocroce Topsent, 1892 [ACCEPTED GENUS 2298:84LSW nidx=null]
Cladopsammia
 - Cladopsammia [ACCEPTED GENUS 2296:62LH4 nidx=null]
 + Cladopsammia Lacaze-Duthiers, 1897 [ACCEPTED GENUS 2298:84LSX nidx=null]
Cladorhiza
 - Cladorhiza [ACCEPTED GENUS 2296:62LGV nidx=null]
 + Cladorhiza Sars, 1872 [ACCEPTED GENUS 2298:84LSY nidx=null]
Cladorhiza abyssicola var. linearis
 - Cladorhiza abyssicola var. linearis Ridley & Dendy, 1887 [SYNONYM VARIETY 2296:7LHNR nidx=null parent=VPV9]
 + Cladorhiza abyssicola var. linearis Ridley & Dendy, 1887 [SYNONYM VARIETY 2298:852TC nidx=null parent=85T56]
Cladorhiza abyssicola var. rectangularis
 - Cladorhiza abyssicola var. rectangularis Ridley & Dendy, 1887 [SYNONYM VARIETY 2296:5N4TF nidx=null parent=5YW62]
 + Cladorhiza abyssicola var. rectangularis Ridley & Dendy, 1887 [SYNONYM VARIETY 2298:852TD nidx=null parent=85T5B]
Cladorhiza acanthoxea
 - Cladorhiza acanthoxea Hestetun, Fourt, Vacelet, Boury-Esnault & Rapp, 20 [ACCEPTED SPECIES 2296:5Z85B nidx=null]
 + Cladorhiza acanthoxea Hestetun, Fourt, Vacelet, Boury-Esnault & Rapp, 2015 [SYNONYM SPECIES 2298:84WWC nidx=null parent=85T4X]
Cladorhiza caillieti
 - Cladorhiza caillieti Lundsten, Reiswig & Austin, 2014 [ACCEPTED SPECIES 2296:5Z85C nidx=null]
 + Cladorhiza caillieti Lundsten, Reiswig & Austin, 2014 [SYNONYM SPECIES 2298:84WWD nidx=null parent=85T4Y]
Cladorhiza corona
 - Cladorhiza corona Lehnert, Watling & Stone, 2005 [ACCEPTED SPECIES 2296:5Z7TD nidx=null]
 + Cladorhiza corona Lehnert, Watling & Stone, 2005 [SYNONYM SPECIES 2298:84WWF nidx=null parent=85SNX]
Cladorhiza evae
 - Cladorhiza evae Lundsten, Reiswig & Austin, 2014 [ACCEPTED SPECIES 2296:5YVTP nidx=null]
 + Cladorhiza evae Lundsten, Reiswig & Austin, 2014 [SYNONYM SPECIES 2298:84WWG nidx=null parent=85T4Z]
Cladorhiza fristedtii
 - Cladorhiza fristedtii (Lambe, 1900) [ACCEPTED SPECIES 2296:5Z7TP nidx=null]
 + Cladorhiza fristedtii (Lambe, 1900) [SYNONYM SPECIES 2298:84WWH nidx=null parent=85T52]
Cladorhiza grimaldii
 - Cladorhiza grimaldii Topsent, 1909 [ACCEPTED SPECIES 2296:VPV3 nidx=null]
 + Cladorhiza grimaldii Topsent, 1909 [SYNONYM SPECIES 2298:84WWJ nidx=null parent=85T53]
Cladorhiza hubbsi
 - Cladorhiza hubbsi Lundsten, Reiswig & Austin, 2017 [ACCEPTED SPECIES 2296:VPV4 nidx=null]
 + Cladorhiza hubbsi Lundsten, Reiswig & Austin, 2017 [SYNONYM SPECIES 2298:84WWK nidx=null parent=85SNY]
Cladorhiza kensmithi
 - Cladorhiza kensmithi Lundsten, Reiswig & Austin, 2017 [ACCEPTED SPECIES 2296:VPV8 nidx=null]
 + Cladorhiza kensmithi Lundsten, Reiswig & Austin, 2017 [SYNONYM SPECIES 2298:84WWL nidx=null parent=85SNZ]
Cladorhiza linearis
 - Cladorhiza linearis Ridley & Dendy, 1887 [ACCEPTED SPECIES 2296:VPV9 nidx=null]
 + Cladorhiza linearis Ridley & Dendy, 1887 [SYNONYM SPECIES 2298:84WWM nidx=null parent=85T56]
Cladorhiza longipinna
 - Cladorhiza longipinna Ridley & Dendy, 1886 [ACCEPTED SPECIES 2296:5YVTQ nidx=null]
 + Cladorhiza longipinna Ridley & Dendy, 1886 [SYNONYM SPECIES 2298:84WWN nidx=null parent=85SP2]
Cladorhiza mexicana
 - Cladorhiza mexicana Lundsten, Reiswig & Austin, 2017 [ACCEPTED SPECIES 2296:5YW5Q nidx=null]
 + Cladorhiza mexicana Lundsten, Reiswig & Austin, 2017 [SYNONYM SPECIES 2298:84WWP nidx=null parent=85SP3]
Cladorhiza microchela
 - Cladorhiza microchela Lévi, 1964 [ACCEPTED SPECIES 2296:VPVF nidx=null]
 + Cladorhiza microchela Lévi, 1964 [SYNONYM SPECIES 2298:84WWQ nidx=null parent=85T57]
Cladorhiza mirabilis
 - Cladorhiza mirabilis (Ridley & Dendy, 1886) [ACCEPTED SPECIES 2296:VPVH nidx=null]
 + Cladorhiza mirabilis (Ridley & Dendy, 1886) [SYNONYM SPECIES 2298:84WWR nidx=null parent=84TRJ]
Cladorhiza penniformis
 - Cladorhiza penniformis Göcke & Janussen, 2013 [ACCEPTED SPECIES 2296:VPVR nidx=null]
 + Cladorhiza penniformis Göcke & Janussen, 2013 [SYNONYM SPECIES 2298:84WWS nidx=null parent=85T58]
Cladorhiza pteron
 - Cladorhiza pteron Reiswig & Lee, 2007 [ACCEPTED SPECIES 2296:VPVT nidx=null]
 + Cladorhiza pteron Reiswig & Lee, 2007 [SYNONYM SPECIES 2298:84WWT nidx=null parent=85T59]
Cladorhiza rectangularis
 - Cladorhiza rectangularis Ridley & Dendy, 1887 [ACCEPTED SPECIES 2296:5YW62 nidx=null]
 + Cladorhiza rectangularis Ridley & Dendy, 1887 [SYNONYM SPECIES 2298:84TSX nidx=null parent=85T5B]
Cladorhiza segonzaci
 - Cladorhiza segonzaci Vacelet, 2006 [ACCEPTED SPECIES 2296:VPVX nidx=null]
 + Cladorhiza segonzaci Vacelet, 2006 [SYNONYM SPECIES 2298:84WWV nidx=null parent=85T5C]
Cladorhiza septemdentalis
 - Cladorhiza septemdentalis Koltun, 1970 [ACCEPTED SPECIES 2296:VPVY nidx=null]
 + Cladorhiza septemdentalis Koltun, 1970 [SYNONYM SPECIES 2298:84WWW nidx=null parent=85T5D]
Cladorhiza similis
 - Cladorhiza similis Ridley & Dendy, 1886 [ACCEPTED SPECIES 2296:VPVZ nidx=null]
 + Cladorhiza similis Ridley & Dendy, 1886 [SYNONYM SPECIES 2298:84WWX nidx=null parent=85SP6]
Cladorhiza waitei
 - Cladorhiza waitei Whitelegge, 1906 [SYNONYM SPECIES 2296:VPW5 nidx=null parent=44S9Q]
 + Cladorhiza waitei Whitelegge, 1906 [SYNONYM SPECIES 2298:84WWY nidx=null parent=85T2J]
Cladorhizidae
 - Cladorhizidae [ACCEPTED FAMILY 2296:624C2 nidx=null]
 + Cladorhizidae Dendy, 1922 [ACCEPTED FAMILY 2298:84JXY nidx=null]
Cladothenea
 - Cladothenea [ACCEPTED GENUS 2296:3QFG nidx=null]
 + Cladothenea Koltun, 1964 [ACCEPTED GENUS 2298:84MW8 nidx=null]
Claparedepelogenia
 - Claparedepelogenia [ACCEPTED GENUS 2296:3QGG nidx=null]
 + Claparedepelogenia Pettibone, 1997 [ACCEPTED GENUS 2298:84MW9 nidx=null]
Claparedrilus
 - Claparedrilus [ACCEPTED GENUS 2296:3QGJ nidx=null]
 + Claparedrilus Klinth, Rota & Erséus, 2017 [ACCEPTED GENUS 2298:84MWB nidx=null]
Clathria
 - Clathria [ACCEPTED GENUS 2296:3QJZ nidx=null]
 - Clathria [ACCEPTED SUBGENUS 2296:3QK2 nidx=null]
 + Clathria Schmidt, 1862 [ACCEPTED GENUS 2298:84LT2 nidx=null]
Clathria (Axosuberites) parva
 - Clathria (Axosuberites) parva Lévi, 1963 [SYNONYM SPECIES 2296:VS3F nidx=null parent=VS6G]
 + Clathria (Axosuberites) parva Lévi, 1963 [ACCEPTED SPECIES 2298:84WX4 nidx=null]
Clathria (Clathria) atoxa
 - Clathria (Clathria) atoxa (Bergquist & Fromont, 1988) [ACCEPTED SPECIES 2296:VS3Z nidx=null]
 + Clathria (Clathria) atoxa (Bergquist & Fromont, 1988) [SYNONYM SPECIES 2298:84WX5 nidx=null parent=85SRC]
Clathria (Clathria) flabellata
 - Clathria (Clathria) flabellata (Burton, 1936) [SYNONYM SPECIES 2296:VS4Y nidx=null parent=VSDP]
 + Clathria (Clathria) flabellata (Burton, 1936) [SYNONYM SPECIES 2298:84WX7 nidx=null parent=85SRD]
Clathria (Clathria) parva
 - Clathria (Clathria) parva Lévi, 1963 [ACCEPTED SPECIES 2296:VS6G nidx=null]
 + Clathria (Clathria) parva Lévi, 1963 [SYNONYM SPECIES 2298:84WX8 nidx=null parent=84WX4]
Clathria (Microciona) tuberculata
 - Clathria (Microciona) tuberculata (Burton, 1934) [SYNONYM SPECIES 2296:VSCB nidx=null parent=VS8S]
 + Clathria (Microciona) tuberculata (Burton, 1934) [SYNONYM SPECIES 2298:84WX9 nidx=null parent=VS87]
Clathria (Thalysias) flabellata
 - Clathria (Thalysias) flabellata (Burton, 1936) [ACCEPTED SPECIES 2296:VSDP nidx=null]
 + Clathria (Thalysias) flabellata (Burton, 1936) [SYNONYM SPECIES 2298:84WXB nidx=null parent=85SRD]
Clathria (Thalysias) virgultosa
 - Clathria (Thalysias) virgultosa (Lamarck, 1814) [ACCEPTED SPECIES 2296:VSFN nidx=null]
 + Clathria (Thalysias) virgultosa () [SYNONYM SPECIES 2298:84WXC nidx=null parent=84WXD]
 + Clathria (Thalysias) virgultosa (Esper, 1806) [ACCEPTED SPECIES 2298:84WXD nidx=null]
Clathria virgultosa
 - Clathria virgultosa (Lamarck, 1814) [SYNONYM SPECIES 2296:VST4 nidx=null parent=VSFN]
 + Clathria virgultosa () [SYNONYM SPECIES 2298:84WXF nidx=null parent=84WXD]
Clathrina
 - Clathrina [ACCEPTED GENUS 2296:3QK3 nidx=null]
 + Clathrina Gray, 1867 [ACCEPTED GENUS 2298:84LT3 nidx=null]
Clathrina passionensis
 - Clathrina passionensis van Soest, Kaiser & Van Syoc, 2011 [ACCEPTED SPECIES 2296:VSVQ nidx=null]
 + Clathrina passionensis van Soest, Kaiser & Van Syoc, 2011 [SYNONYM SPECIES 2298:84WXG nidx=null parent=85SNH]
Clathrinida
 - Clathrinida [ACCEPTED ORDER 2296:YN nidx=null]
 + Clathrinida Hartman, 1958 [ACCEPTED ORDER 2298:84JPM nidx=null]
Clathrinidae
 - Clathrinidae [ACCEPTED FAMILY 2296:624BX nidx=null]
 + Clathrinidae Minchin, 1900 [ACCEPTED FAMILY 2298:84JXZ nidx=null]
Clathrissa pumila var. rubra
 - Clathrissa pumila var. rubra Lendenfeld, 1888 [SYNONYM VARIETY 2296:5N4XS nidx=null parent=5DXGM]
 + Clathrissa pumila var. rubra Lendenfeld, 1888 [SYNONYM VARIETY 2298:852TF nidx=null parent=85TCR]
Clathrochone
 - Clathrochone [ACCEPTED GENUS 2296:3QK5 nidx=null]
 + Clathrochone Tabachnick, 2002 [ACCEPTED GENUS 2298:84LT4 nidx=null]
Claudrilus
 - Claudrilus [ACCEPTED GENUS 2296:3QLK nidx=null]
 + Claudrilus Martínez, Di Domenico, Rouse & Worsaae, 2015 [ACCEPTED GENUS 2298:84MWF nidx=null]
Clausoecia
 - Clausoecia [ACCEPTED GENUS 2296:3QM2 nidx=null]
 + Clausoecia Chavtur & Angel, 2011 [ACCEPTED GENUS 2298:84MWG nidx=null]
Clavadoce
 - Clavadoce [ACCEPTED GENUS 2296:3QMH nidx=null]
 + Clavadoce Hartman, 1936 [ACCEPTED GENUS 2298:84LT5 nidx=null]
Claviramus
 - Claviramus [ACCEPTED GENUS 2296:3QPY nidx=null]
 + Claviramus Fitzhugh, 2002 [ACCEPTED GENUS 2298:84MWN nidx=null]
Claviscopulia
 - Claviscopulia [ACCEPTED GENUS 2296:3QQ2 nidx=null]
 + Claviscopulia Schulze, 1899 [ACCEPTED GENUS 2298:84LT6 nidx=null]
Clavisyllis
 - Clavisyllis [ACCEPTED GENUS 2296:3QQ9 nidx=null]
 + Clavisyllis Knox, 1957 [ACCEPTED GENUS 2298:84MWP nidx=null]
Clavodorum
 - Clavodorum [ACCEPTED GENUS 2296:3QQG nidx=null]
 + Clavodorum Hartman & Fauchald, 1971 [ACCEPTED GENUS 2298:84LT7 nidx=null]
Clavularia
 - Clavularia [ACCEPTED GENUS 2296:3QQW nidx=null]
 + Clavularia Blainville, 1830 [ACCEPTED GENUS 2298:84LT8 nidx=null]
Clavulariidae
 - Clavulariidae [ACCEPTED FAMILY 2296:8BG nidx=null]
 + Clavulariidae Hickson, 1894 [ACCEPTED FAMILY 2298:84JY2 nidx=null]
Cletocythereis
 - Cletocythereis [ACCEPTED GENUS 2296:3QXC nidx=null]
 + Cletocythereis Swain, 1963 [ACCEPTED GENUS 2298:84LTG nidx=null]
Climacoidea
 - Climacoidea [ACCEPTED GENUS 2296:3QYW nidx=null]
 + Climacoidea Puri, 1956 [ACCEPTED GENUS 2298:84LTH nidx=null]
Clinocythereis
 - Clinocythereis [ACCEPTED GENUS 2296:62KWH nidx=null]
 + Clinocythereis Ayress & Swanson, 1991 [ACCEPTED GENUS 2298:84MX4 nidx=null]
Cliona
 - Cliona [ACCEPTED GENUS 2296:62L8K nidx=null]
 + Cliona Grant, 1826 [ACCEPTED GENUS 2298:84LTJ nidx=null]
Cliona delitrix
 - Cliona delitrix Pang, 1973 [ACCEPTED SPECIES 2296:5YZHN nidx=null]
 + Cliona delitrix Pang, 1973 [SYNONYM SPECIES 2298:84TTC nidx=null parent=85SRL]
Cliona schmidtii
 - Cliona schmidtii (Ridley, 1881) [ACCEPTED SPECIES 2296:W7JK nidx=null]
 + Cliona schmidtii (Ridley, 1881) [ACCEPTED SPECIES 2298:84TTD nidx=null]
Clionaida
 - Clionaida [ACCEPTED ORDER 2296:YP nidx=null]
 + Clionaida Morrow & Cárdenas, 2015 [ACCEPTED ORDER 2298:84JVS nidx=null]
Clionaidae
 - Clionaidae [ACCEPTED FAMILY 2296:8C3 nidx=null]
 + Clionaidae d'Orbigny, 1851 [ACCEPTED FAMILY 2298:84JY3 nidx=null]
Clionaopsis
 - Clionaopsis [ACCEPTED GENUS 2296:3R3F nidx=null]
 + Clionaopsis Rützler, 2002 [ACCEPTED GENUS 2298:84LTK nidx=null]
Cliothosa
 - Cliothosa [ACCEPTED GENUS 2296:3R3S nidx=null]
 + Cliothosa Topsent, 1905 [ACCEPTED GENUS 2298:84LTL nidx=null]
Clitellio
 - Clitellio [ACCEPTED GENUS 2296:3R4H nidx=null]
 - Clitellio [ACCEPTED SUBGENUS 2296:3R4J nidx=null]
 + Clitellio Savigny, 1822 [ACCEPTED GENUS 2298:84LTM nidx=null]
Clithrocytheridea
 - Clithrocytheridea [ACCEPTED GENUS 2296:3R4R nidx=null]
 + Clithrocytheridea Stephenson, 1936 [ACCEPTED GENUS 2298:84MX7 nidx=null]
Cloudina
 - Cloudina [ACCEPTED GENUS 2296:3R7Z nidx=null]
 + Cloudina Germs, 1972 [ACCEPTED GENUS 2298:84MXB nidx=null]
Cluthia
 - Cluthia [ACCEPTED GENUS 2296:3R92 nidx=null]
 + Cluthia Neale, 1973 [ACCEPTED GENUS 2298:84LTP nidx=null]
Clymeneis
 - Clymeneis [ACCEPTED GENUS 2296:3R9Q nidx=null]
 + Clymeneis Rathke, 1843 [ACCEPTED GENUS 2298:84MXF nidx=null]
Clymenella
 - Clymenella [ACCEPTED GENUS 2296:3R9R nidx=null]
 + Clymenella Verrill, 1873 [ACCEPTED GENUS 2298:84LTR nidx=null]
Clymenides incertus
 - Clymenides incertus Mesnil, 1897 [SYNONYM SPECIES 2296:5ZCXD nidx=null parent=N6NB]
 + Clymenides incertus Mesnil, 1897 [SYNONYM SPECIES 2298:84WYX nidx=null parent=N6NB]
Clymenopsis
 - Clymenopsis [ACCEPTED GENUS 2296:3R9T nidx=null]
 + Clymenopsis Verrill, 1900 [ACCEPTED GENUS 2298:84LTS nidx=null]
Clymenura
 - Clymenura [ACCEPTED GENUS 2296:62L8S nidx=null]
 + Clymenura Verrill, 1900 [ACCEPTED GENUS 2298:84LTT nidx=null]
Cnemidophorus longicaudus
 - Cnemidophorus longicaudus Gray, 1845 [SYNONYM SPECIES 2296:WH23 nidx=null parent=67XHV]
 + Cnemidophorus longicaudus Gray, 1845 [SYNONYM SPECIES 2298:84WZ2 nidx=null parent=67XHV]
Coalecerotanais
 - Coalecerotanais [ACCEPTED GENUS 2296:3RHB nidx=null]
 + Coalecerotanais Larsen, 2003 [ACCEPTED GENUS 2298:84MYK nidx=null]
Cobanocythere
 - Cobanocythere [ACCEPTED GENUS 2296:3RJ9 nidx=null]
 + Cobanocythere Hartmann, 1959 [ACCEPTED GENUS 2298:84LV2 nidx=null]
Cobanocytheridae
 - Cobanocytheridae [ACCEPTED FAMILY 2296:8D5 nidx=null]
 + Cobanocytheridae Schornikov, 1975 [ACCEPTED FAMILY 2298:84JY4 nidx=null]
Coccomyxa
 - Coccomyxa [ACCEPTED GENUS 2296:3RLV nidx=null]
 + Coccomyxa Léger & Hesse, 1907 [ACCEPTED GENUS 2298:84LV3 nidx=null]
Cocotanais
 - Cocotanais [ACCEPTED GENUS 2296:3RQW nidx=null]
 + Cocotanais Esquete, 2013 [ACCEPTED GENUS 2298:84MZ2 nidx=null]
Codonocera
 - Codonocera [ACCEPTED GENUS 2296:62N42 nidx=null]
 + Codonocera Brady, 1902 [ACCEPTED GENUS 2298:84MZ8 nidx=null]
Coelastrea
 - Coelastrea [ACCEPTED GENUS 2296:62N43 nidx=null]
 + Coelastrea Verrill, 1866 [ACCEPTED GENUS 2298:84MZ9 nidx=null]
Coella tiurensis
 - Coella tiurensis Stiasny-Wijnhoff, 1936 [SYNONYM SPECIES 2296:WRL9 nidx=null parent=4QHY8]
 + Coella tiurensis Stiasny-Wijnhoff, 1936 [ACCEPTED SPECIES 2298:84WZ7 nidx=null]
Coelocarteria
 - Coelocarteria [ACCEPTED GENUS 2296:62N3X nidx=null]
 + Coelocarteria Burton, 1934 [ACCEPTED GENUS 2298:84LV7 nidx=null]
Coelodischela
 - Coelodischela [ACCEPTED GENUS 2296:3RVD nidx=null]
 + Coelodischela Vacelet, Vasseur & Lévi, 1976 [ACCEPTED GENUS 2298:84LV8 nidx=null]
Coelogorgia
 - Coelogorgia [ACCEPTED GENUS 2296:3RVR nidx=null]
 + Coelogorgia Milne Edwards, 1857 [ACCEPTED GENUS 2298:84MZH nidx=null]
Coelogorgiidae
 - Coelogorgiidae [ACCEPTED FAMILY 2296:624DP nidx=null]
 + Coelogorgiidae Bourne, 1900 [ACCEPTED FAMILY 2298:84K4T nidx=null]
Coeloseris
 - Coeloseris [ACCEPTED GENUS 2296:62N3J nidx=null]
 + Coeloseris Vaughan, 1918 [ACCEPTED GENUS 2298:84LVB nidx=null]
Coelosphaera
 - Coelosphaera [ACCEPTED SUBGENUS 2296:3RXF nidx=null]
 - Coelosphaera [ACCEPTED GENUS 2296:3RXG nidx=null]
 + Coelosphaera Thomson, 1873 [ACCEPTED GENUS 2298:84LVC nidx=null]
Coelosphaera (Coelosphaera) solenoidea
 - Coelosphaera (Coelosphaera) solenoidea (Lévi, 1964) [ACCEPTED SPECIES 2296:WSZ7 nidx=null]
 + Coelosphaera (Coelosphaera) solenoidea (Lévi, 1964) [SYNONYM SPECIES 2298:84WZF nidx=null parent=84YGM]
Coelosphaeridae
 - Coelosphaeridae [ACCEPTED FAMILY 2296:624DV nidx=null]
 + Coelosphaeridae Dendy, 1922 [ACCEPTED FAMILY 2298:84JY5 nidx=null]
Coenemertes
 - Coenemertes [ACCEPTED GENUS 2296:3RZ3 nidx=null]
 + Coenemertes Corrêa, 1966 [ACCEPTED GENUS 2298:84MZN nidx=null]
Coenocyathus
 - Coenocyathus [ACCEPTED GENUS 2296:3RZN nidx=null]
 + Coenocyathus Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84LVD nidx=null]
Coenosmilia
 - Coenosmilia [ACCEPTED GENUS 2296:3S2Q nidx=null]
 + Coenosmilia Pourtalès, 1874 [ACCEPTED GENUS 2298:84LVF nidx=null]
Cognettia
 - Cognettia [ACCEPTED GENUS 2296:3S3V nidx=null]
 + Cognettia Nielsen & Christensen, 1959 [ACCEPTED GENUS 2298:84LVG nidx=null]
Colangia
 - Colangia [ACCEPTED GENUS 2296:3S5Q nidx=null]
 + Colangia Pourtalès, 1871 [ACCEPTED GENUS 2298:84LVH nidx=null]
Colemania albulus
 - Colemania albulus [SYNONYM SPECIES 2296:WXPN nidx=null parent=YHTB]
 + Colemania albulus Gibson, 1981 [SYNONYM SPECIES 2298:84WZG nidx=null parent=YHTB]
Collarodontia
 - Collarodontia [ACCEPTED GENUS 2296:62MSM nidx=null]
 + Collarodontia Jellinek, 1993 [ACCEPTED GENUS 2298:84N2H nidx=null]
Collectella
 - Collectella [ACCEPTED GENUS 2296:62MSP nidx=null]
 + Collectella Schmidt, 1880 [ACCEPTED GENUS 2298:84LVP nidx=null]
Collettea
 - Collettea [ACCEPTED GENUS 2296:3SC6 nidx=null]
 + Collettea Lang, 1973 [ACCEPTED GENUS 2298:84LVQ nidx=null]
Colletteidae
 - Colletteidae [ACCEPTED FAMILY 2296:8FH nidx=null]
 + Colletteidae Larsen & Wilson, 2002 [ACCEPTED FAMILY 2298:84JY6 nidx=null]
Collospongia
 - Collospongia [ACCEPTED GENUS 2296:62N64 nidx=null]
 + Collospongia Bergquist, Cambie & Kernan, 1990 [ACCEPTED GENUS 2298:84LVS nidx=null]
Collozoidae
 - Collozoidae [ACCEPTED FAMILY 2296:8FS nidx=null]
 + Collozoidae Haeckel, 1862 [ACCEPTED FAMILY 2298:84K4X nidx=null]
Colobocladus
 - Colobocladus [ACCEPTED GENUS 2296:62N5J nidx=null]
 + Colobocladus Gutu, 2006 [ACCEPTED GENUS 2298:84N2M nidx=null]
Colobranchus laevicornis
 - Colobranchus laevicornis [ACCEPTED SPECIES 2296:X6PP nidx=null]
 + Colobranchus laevicornis (Rathke, 1837) [SYNONYM SPECIES 2298:84X3P nidx=null parent=3XKGD]
Colossendeidae
 - Colossendeidae [ACCEPTED FAMILY 2296:8G2 nidx=null]
 + Colossendeidae Jarzynsky, 1870 [ACCEPTED FAMILY 2298:84JY7 nidx=null]
Colossendeidoidea
 - Colossendeidoidea [ACCEPTED SUPERFAMILY 2296:622Z6 nidx=null]
 + Colossendeidoidea Hoek, 1881 [ACCEPTED SUPERFAMILY 2298:84JS4 nidx=null]
Colossendeis
 - Colossendeis [ACCEPTED GENUS 2296:62N62 nidx=null]
 + Colossendeis Jarzynsky, 1870 [ACCEPTED GENUS 2298:84LVZ nidx=null]
Colossopantopodus
 - Colossopantopodus [ACCEPTED GENUS 2296:3SJY nidx=null]
 + Colossopantopodus Charbonnier, Vannier & Riou, 2007 [ACCEPTED GENUS 2298:84N35 nidx=null]
Colpophyllia
 - Colpophyllia [ACCEPTED GENUS 2296:3SLP nidx=null]
 + Colpophyllia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84LW2 nidx=null]
Columastraeidae
 - Columastraeidae [ACCEPTED FAMILY 2296:624FM nidx=null]
 + Columastraeidae Alloiteau, 1952 [ACCEPTED FAMILY 2298:84K52 nidx=null]
Columastrea
 - Columastrea [ACCEPTED GENUS 2296:3SMN nidx=null]
 + Columastrea d'Orbigny, 1849 [ACCEPTED GENUS 2298:84N37 nidx=null]
Columnitis
 - Columnitis [ACCEPTED GENUS 2296:3SNM nidx=null]
 + Columnitis Schmidt, 1870 [ACCEPTED GENUS 2298:84LW3 nidx=null]
Colymmatops
 - Colymmatops [ACCEPTED GENUS 2296:3SPK nidx=null]
 + Colymmatops Peters, 1855 [ACCEPTED GENUS 2298:84LW4 nidx=null]
Commensodorum
 - Commensodorum [ACCEPTED GENUS 2296:3SSJ nidx=null]
 + Commensodorum Fauchald, 1974 [ACCEPTED GENUS 2298:84LW6 nidx=null]
Communoporus
 - Communoporus [ACCEPTED GENUS 2296:3SSY nidx=null]
 + Communoporus Friedrich, 1955 [ACCEPTED GENUS 2298:84N3J nidx=null]
Comontocypris
 - Comontocypris [ACCEPTED GENUS 2296:3STD nidx=null]
 + Comontocypris Wouters, 1987 [ACCEPTED GENUS 2298:84N3K nidx=null]
Complexum
 - Complexum [ACCEPTED GENUS 2296:62N86 nidx=null]
 + Complexum van Ofwegen, Aurelle & Sartoretto, 2014 [ACCEPTED GENUS 2298:84N3L nidx=null]
Composetia
 - Composetia [ACCEPTED GENUS 2296:62MW8 nidx=null]
 + Composetia Hartmann-Schröder, 1985 [ACCEPTED GENUS 2298:84N3M nidx=null]
Compsocalyx
 - Compsocalyx [ACCEPTED GENUS 2296:3SVQ nidx=null]
 + Compsocalyx Schulze, 1904 [ACCEPTED GENUS 2298:84N3N nidx=null]
Comptonia asplenifolia
 - Comptonia asplenifolia Banks [SYNONYM SPECIES 2296:XJGY nidx=null parent=XJH2]
 + Comptonia asplenifolia Banks [SYNONYM SPECIES 2298:84JS3 nidx=null parent=XJH2]
Concentrotheca
 - Concentrotheca [ACCEPTED GENUS 2296:3SZ3 nidx=null]
 + Concentrotheca Cairns, 1979 [ACCEPTED GENUS 2298:84LW7 nidx=null]
Conchoecetta
 - Conchoecetta [ACCEPTED GENUS 2296:3SZP nidx=null]
 + Conchoecetta Claus, 1890 [ACCEPTED GENUS 2298:84LW8 nidx=null]
Conchoecia
 - Conchoecia [ACCEPTED GENUS 2296:3SZQ nidx=null]
 + Conchoecia Dana, 1849 [ACCEPTED GENUS 2298:84LW9 nidx=null]
Conchoecilla
 - Conchoecilla [ACCEPTED GENUS 2296:3SZR nidx=null]
 + Conchoecilla Claus, 1890 [ACCEPTED GENUS 2298:84LWB nidx=null]
Conchoecissa
 - Conchoecissa [ACCEPTED GENUS 2296:3SZS nidx=null]
 + Conchoecissa Claus, 1890 [ACCEPTED GENUS 2298:84LWC nidx=null]
Confluphyllia
 - Confluphyllia [ACCEPTED GENUS 2296:3T4B nidx=null]
 + Confluphyllia Cairns & Zibrowius, 1997 [ACCEPTED GENUS 2298:84LWD nidx=null]
Conglomeratusclera
 - Conglomeratusclera [ACCEPTED GENUS 2296:3T4V nidx=null]
 + Conglomeratusclera Benayahu, van Ofwegen & McFadden, 2018 [ACCEPTED GENUS 2298:84N3V nidx=null]
Conjungaspidae
 - Conjungaspidae [ACCEPTED FAMILY 2296:8HL nidx=null]
 + Conjungaspidae Hints, 1999 [ACCEPTED FAMILY 2298:84K55 nidx=null]
Conjungaspis
 - Conjungaspis [ACCEPTED GENUS 2296:62MVT nidx=null]
 + Conjungaspis Hints, 1999 [ACCEPTED GENUS 2298:84N3Y nidx=null]
Conocyathus
 - Conocyathus [ACCEPTED GENUS 2296:3TC8 nidx=null]
 + Conocyathus d'Orbigny, 1849 [ACCEPTED GENUS 2298:84LWJ nidx=null]
Conorca
 - Conorca [ACCEPTED GENUS 2296:3TF3 nidx=null]
 + Conorca Regenhardt, 1961 [ACCEPTED GENUS 2298:84N47 nidx=null]
Conorete
 - Conorete [ACCEPTED GENUS 2296:3TF4 nidx=null]
 + Conorete Ijima, 1927 [ACCEPTED GENUS 2298:84LWN nidx=null]
Conosmilia
 - Conosmilia [ACCEPTED GENUS 2296:3TFM nidx=null]
 + Conosmilia Duncan, 1865 [ACCEPTED GENUS 2298:84N4B nidx=null]
Convexella
 - Convexella [ACCEPTED GENUS 2296:3TKS nidx=null]
 + Convexella Bayer, 1996 [ACCEPTED GENUS 2298:84N4C nidx=null]
Convexochilus
 - Convexochilus [ACCEPTED GENUS 2296:3TKW nidx=null]
 + Convexochilus Schornikov, 1982 [ACCEPTED GENUS 2298:84N4D nidx=null]
Convolvulus macrorrhizus
 - Convolvulus macrorrhizus B. Heyne ex Wall. [SYNONYM SPECIES 2296:XZDZ nidx=null parent=6NDBL]
 + Convolvulus macrorrhizus B. Heyne ex Wall. [SYNONYM SPECIES 2298:84WZL nidx=null parent=6NDBL]
Cookidrilus
 - Cookidrilus [ACCEPTED GENUS 2296:3TLL nidx=null]
 + Cookidrilus Rodriguez & Giani, 1987 [ACCEPTED GENUS 2298:84LWQ nidx=null]
Coppingeria
 - Coppingeria [ACCEPTED GENUS 2296:3TQM nidx=null]
 + Coppingeria Haswell, 1892 [ACCEPTED GENUS 2298:84LWR nidx=null]
Copytus
 - Copytus [ACCEPTED GENUS 2296:62MJK nidx=null]
 + Copytus Skogsberg, 1939 [ACCEPTED GENUS 2298:84N4H nidx=null]
Coquimba
 - Coquimba [ACCEPTED GENUS 2296:3TV5 nidx=null]
 + Coquimba Ohmert, 1968 [ACCEPTED GENUS 2298:84LWV nidx=null]
Coralliaglaia
 - Coralliaglaia [ACCEPTED GENUS 2296:3TW6 nidx=null]
 + Coralliaglaia Hartmann, 1974 [ACCEPTED GENUS 2298:84N4J nidx=null]
Corallicythere
 - Corallicythere [ACCEPTED GENUS 2296:62MJQ nidx=null]
 + Corallicythere Hartmann, 1974 [ACCEPTED GENUS 2298:84N4K nidx=null]
Coralliidae
 - Coralliidae [ACCEPTED FAMILY 2296:8JJ nidx=null]
 + Coralliidae Lamouroux, 1812 [ACCEPTED FAMILY 2298:84JY8 nidx=null]
Coralliodrilus
 - Coralliodrilus [ACCEPTED GENUS 2296:3TWJ nidx=null]
 + Coralliodrilus Erséus, 1979 [ACCEPTED GENUS 2298:84LWZ nidx=null]
Coralliotrocha
 - Coralliotrocha [ACCEPTED GENUS 2296:3TWQ nidx=null]
 + Coralliotrocha Westheide & von Nordheim, 1985 [ACCEPTED GENUS 2298:84N4L nidx=null]
Corallistes
 - Corallistes [ACCEPTED GENUS 2296:3TWT nidx=null]
 + Corallistes Schmidt, 1870 [ACCEPTED GENUS 2298:84LX2 nidx=null]
Corallistidae
 - Corallistidae [ACCEPTED FAMILY 2296:8JN nidx=null]
 + Corallistidae Sollas, 1888 [ACCEPTED FAMILY 2298:84JYB nidx=null]
Corallium
 - Corallium [ACCEPTED GENUS 2296:62MJR nidx=null]
 + Corallium Cuvier, 1798 [ACCEPTED GENUS 2298:84LX3 nidx=null]
Corbitella
 - Corbitella [ACCEPTED GENUS 2296:3TYB nidx=null]
 + Corbitella Gray, 1867 [ACCEPTED GENUS 2298:84LX7 nidx=null]
Cordia salzmannii
 - Cordia salzmannii DC. [SYNONYM SPECIES 2296:6B2KL nidx=null parent=YBQ4]
 + Cordia salzmannii DC. [SYNONYM SPECIES 2298:84X2J nidx=null parent=YBQ4]
Cordylochele
 - Cordylochele [ACCEPTED GENUS 2296:62MKF nidx=null]
 + Cordylochele Sars, 1888 [ACCEPTED GENUS 2298:84LXC nidx=null]
Corethrella pallidus
 - Corethrella pallidus Lane, 1942 [ACCEPTED SPECIES 2296:6B445 nidx=null]
 + Corethrella pallidus Lane, 1942 [ACCEPTED SPECIES 2298:84X4B nidx=null]
Cornucoquimba
 - Cornucoquimba [ACCEPTED GENUS 2296:62MCG nidx=null]
 + Cornucoquimba Ohmert, 1968 [ACCEPTED GENUS 2298:84N4S nidx=null]
Cornulariidae
 - Cornulariidae [ACCEPTED FAMILY 2296:8KN nidx=null]
 + Cornulariidae Dana, 1846 [ACCEPTED FAMILY 2298:84JYF nidx=null]
Cornulella
 - Cornulella [ACCEPTED GENUS 2296:62MD2 nidx=null]
 + Cornulella Dendy, 1922 [ACCEPTED GENUS 2298:84LXG nidx=null]
Cornulum
 - Cornulum [ACCEPTED GENUS 2296:62MC2 nidx=null]
 + Cornulum Carter, 1876 [ACCEPTED GENUS 2298:84LXH nidx=null]
Coronatae
 - Coronatae [ACCEPTED ORDER 2296:62234 nidx=null]
 + Coronatae Vanhöffen, 1892 [ACCEPTED ORDER 2298:84JPN nidx=null]
Coronephthya
 - Coronephthya [ACCEPTED GENUS 2296:62MF8 nidx=null]
 + Coronephthya Utinomi, 1966 [ACCEPTED GENUS 2298:84N4X nidx=null]
Correanemertes
 - Correanemertes [ACCEPTED GENUS 2296:62MHR nidx=null]
 + Correanemertes Kirsteuer, 1967 [ACCEPTED GENUS 2298:84N52 nidx=null]
Corsoua
 - Corsoua [ACCEPTED GENUS 2296:62MHZ nidx=null]
 + Corsoua Corrêa, 1963 [ACCEPTED GENUS 2298:84N53 nidx=null]
Cortispongilla
 - Cortispongilla [ACCEPTED GENUS 2296:62LY7 nidx=null]
 + Cortispongilla Annandale, 1918 [ACCEPTED GENUS 2298:84LXK nidx=null]
Corvoheteromeyenia
 - Corvoheteromeyenia [ACCEPTED GENUS 2296:62LZ2 nidx=null]
 + Corvoheteromeyenia Ezcurra de Drago, 1979 [ACCEPTED GENUS 2298:84LXL nidx=null]
Corvomeyenia
 - Corvomeyenia [ACCEPTED GENUS 2296:62LYR nidx=null]
 + Corvomeyenia Weltner, 1913 [ACCEPTED GENUS 2298:84LXM nidx=null]
Corvospongilla
 - Corvospongilla [ACCEPTED GENUS 2296:62LZ3 nidx=null]
 + Corvospongilla Annandale, 1911 [ACCEPTED GENUS 2298:84LXN nidx=null]
Corybas lobatus
 - Corybas lobatus (Montagu, 1814) [SYNONYM SPECIES 2296:YNPF nidx=null parent=D32W]
 + Corybas lobatus (Montagu, 1814) [SYNONYM SPECIES 2298:84X4G nidx=null parent=85SN3]
Corybas ovulum
 - Corybas ovulum (Schmidt, 1870) [SYNONYM SPECIES 2296:YNQ4 nidx=null parent=D32W]
 + Corybas ovulum (Schmidt, 1870) [SYNONYM SPECIES 2298:84X4H nidx=null parent=85SN3]
Corymbophytidae
 - Corymbophytidae [ACCEPTED FAMILY 2296:8LD nidx=null]
 + Corymbophytidae McFadden & van Ofwegen, 2017 [ACCEPTED FAMILY 2298:84K57 nidx=null]
Corymbophyton
 - Corymbophyton [ACCEPTED GENUS 2296:62NTL nidx=null]
 + Corymbophyton McFadden & van Ofwegen, 2017 [ACCEPTED GENUS 2298:84N56 nidx=null]
Coscinaraea
 - Coscinaraea [ACCEPTED GENUS 2296:62NML nidx=null]
 + Coscinaraea Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84LXT nidx=null]
Coscinaraeidae
 - Coscinaraeidae [ACCEPTED FAMILY 2296:8LW nidx=null]
 + Coscinaraeidae Benzoni, Arrigoni, Stefani & Stolarski, 2012 [ACCEPTED FAMILY 2298:84K58 nidx=null]
Coscinoderma
 - Coscinoderma [ACCEPTED GENUS 2296:62NN7 nidx=null]
 + Coscinoderma Carter, 1883 [ACCEPTED GENUS 2298:84LXV nidx=null]
Coscinospongia heteroformis
 - Coscinospongia heteroformis (Bowerbank, 1869) [SYNONYM SPECIES 2296:YTG4 nidx=null parent=3SY9J]
 + Coscinospongia heteroformis (Bowerbank, 1869) [SYNONYM SPECIES 2298:84X4M nidx=null parent=85SYZ]
Cossura
 - Cossura [ACCEPTED GENUS 2296:62NSZ nidx=null]
 + Cossura Webster & Benedict, 1887 [ACCEPTED GENUS 2298:84LXW nidx=null]
Cossuridae
 - Cossuridae [ACCEPTED FAMILY 2296:8M5 nidx=null]
 + Cossuridae Day, 1963 [ACCEPTED FAMILY 2298:84JYG nidx=null]
Costifer
 - Costifer [ACCEPTED GENUS 2296:62NFP nidx=null]
 + Costifer Wilson, 1925 [ACCEPTED GENUS 2298:84LXY nidx=null]
Cotylorhiza
 - Cotylorhiza [ACCEPTED GENUS 2296:62NJF nidx=null]
 + Cotylorhiza Agassiz, 1862 [ACCEPTED GENUS 2298:84LXZ nidx=null]
Cotylorhizoides pacificus
 - Cotylorhizoides pacificus Light, 1921 [SYNONYM SPECIES 2296:YZCS nidx=null parent=77FKP]
 + Cotylorhizoides pacificus Light, 1921 [SYNONYM SPECIES 2298:84M9D nidx=null parent=77FKM]
Crambeidae
 - Crambeidae [ACCEPTED FAMILY 2296:8MP nidx=null]
 + Crambeidae Lévi, 1963 [ACCEPTED FAMILY 2298:84JYH nidx=null]
Crambione
 - Crambione [ACCEPTED GENUS 2296:62NKS nidx=null]
 + Crambione Maas, 1903 [ACCEPTED GENUS 2298:84LY5 nidx=null]
Crambionella
 - Crambionella [ACCEPTED GENUS 2296:3V5B nidx=null]
 + Crambionella Stiasny, 1921 [ACCEPTED GENUS 2298:84LY6 nidx=null]
Craniella
 - Craniella [ACCEPTED GENUS 2296:3V68 nidx=null]
 + Craniella Schmidt, 1870 [ACCEPTED GENUS 2298:84LY7 nidx=null]
Craniella gravida
 - Craniella gravida [ACCEPTED SPECIES 2296:Z4XY nidx=null]
 + Craniella gravida [SYNONYM SPECIES 2298:84W7G nidx=null parent=Z4XP]
Craniella serica
 - Craniella serica (Lebwohl, 1914) [ACCEPTED SPECIES 2296:Z4YR nidx=null]
 + Craniella serica (Lebwohl, 1914) [SYNONYM SPECIES 2298:84X4P nidx=null parent=85LQ3]
Crassibrachia
 - Crassibrachia [ACCEPTED GENUS 2296:3V9P nidx=null]
 + Crassibrachia Southward, 1968 [ACCEPTED GENUS 2298:84N6S nidx=null]
Crassiclitellata
 - Crassiclitellata [ACCEPTED ORDER 2296:324 nidx=null]
 + Crassiclitellata Jamieson, 1988 [ACCEPTED ORDER 2298:84JR9 nidx=null]
Crassonemertes
 - Crassonemertes [ACCEPTED GENUS 2296:3VBB nidx=null]
 + Crassonemertes Brinkmann, 1917 [ACCEPTED GENUS 2298:84N6W nidx=null]
Crassophyllum
 - Crassophyllum [ACCEPTED GENUS 2296:3VBC nidx=null]
 + Crassophyllum Tixier-Durivault, 1961 [ACCEPTED GENUS 2298:84N6X nidx=null]
Crataegus ×  whittakeri
 - Crataegus ×  whittakeri Sarg. [ACCEPTED SPECIES 2296:Z8NL nidx=null]
 + Crataegus ×  whittakeri Sarg. [ACCEPTED SPECIES 2298:84W7J nidx=null]
Cratenemertes
 - Cratenemertes [ACCEPTED GENUS 2296:3VC2 nidx=null]
 + Cratenemertes Friedrich, 1955 [ACCEPTED GENUS 2298:84N72 nidx=null]
Cratenemertes bergendali
 - Cratenemertes bergendali [SYNONYM SPECIES 2296:Z8QN nidx=null parent=47H2T]
 + Cratenemertes bergendali (Gering, 1912) [SYNONYM SPECIES 2298:84X4T nidx=null parent=84XQW]
Cratenemertes danae
 - Cratenemertes danae [SYNONYM SPECIES 2296:Z8QP nidx=null parent=47H2T]
 + Cratenemertes danae [SYNONYM SPECIES 2298:84X4V nidx=null parent=84XQW]
Cratenemertidae
 - Cratenemertidae [ACCEPTED FAMILY 2296:8N7 nidx=null]
 + Cratenemertidae Friedrich, 1968 [ACCEPTED FAMILY 2298:84JYJ nidx=null]
Craterastrea
 - Craterastrea [ACCEPTED GENUS 2296:3VC7 nidx=null]
 + Craterastrea Head, 1983 [ACCEPTED GENUS 2298:84N73 nidx=null]
Craterolophidae
 - Craterolophidae [ACCEPTED FAMILY 2296:8N8 nidx=null]
 + Craterolophidae Uchida, 1929 [ACCEPTED FAMILY 2298:84K5B nidx=null]
Craterolophus
 - Craterolophus [ACCEPTED GENUS 2296:3VCS nidx=null]
 + Craterolophus James-Clark, 1863 [ACCEPTED GENUS 2298:84LY8 nidx=null]
Crateromorpha
 - Crateromorpha [ACCEPTED SUBGENUS 2296:3VCT nidx=null]
 - Crateromorpha [ACCEPTED GENUS 2296:62NB7 nidx=null]
 + Crateromorpha Gray, 1872 [ACCEPTED GENUS 2298:84LY9 nidx=null]
Craticulariidae
 - Craticulariidae [ACCEPTED FAMILY 2296:624GM nidx=null]
 + Craticulariidae Rauff, 1893 [ACCEPTED FAMILY 2298:84JYK nidx=null]
Craticulineus
 - Craticulineus [ACCEPTED GENUS 2296:3VD9 nidx=null]
 + Craticulineus Gibson, 1984 [ACCEPTED GENUS 2298:84N77 nidx=null]
Creefs
 - Creefs [ACCEPTED GENUS 2296:3VH2 nidx=null]
 + Creefs Stępień & Błażewicz-Paszkowycz, 2013 [ACCEPTED GENUS 2298:84N7T nidx=null]
Crella
 - Crella [ACCEPTED SUBGENUS 2296:3VH6 nidx=null]
 - Crella [ACCEPTED GENUS 2296:3VH7 nidx=null]
 + Crella Gray, 1867 [ACCEPTED GENUS 2298:84LYG nidx=null]
Crella (Grayella) compressa
 - Crella (Grayella) compressa (Carter, 1886) [ACCEPTED SPECIES 2296:6BDXD nidx=null]
 + Crella (Grayella) compressa (Carter, 1886) [SYNONYM SPECIES 2298:84X4W nidx=null parent=85SRQ]
Crellastrina
 - Crellastrina [ACCEPTED GENUS 2296:3VH8 nidx=null]
 + Crellastrina Topsent, 1927 [ACCEPTED GENUS 2298:84LYH nidx=null]
Crellidae
 - Crellidae [ACCEPTED FAMILY 2296:8NH nidx=null]
 + Crellidae Dendy, 1922 [ACCEPTED FAMILY 2298:84JYL nidx=null]
Crellomima
 - Crellomima [ACCEPTED GENUS 2296:3VH9 nidx=null]
 + Crellomima Rezvoi, 1925 [ACCEPTED GENUS 2298:84LYJ nidx=null]
Crenicarpus
 - Crenicarpus [ACCEPTED GENUS 2296:3VK3 nidx=null]
 + Crenicarpus Drumm & Bird, 2016 [ACCEPTED GENUS 2298:84N87 nidx=null]
Cretitanaidae
 - Cretitanaidae [ACCEPTED FAMILY 2296:8NW nidx=null]
 + Cretitanaidae Schram, Sieg & Malzahn, 1986 [ACCEPTED FAMILY 2298:84K5C nidx=null]
Cretitanais
 - Cretitanais [ACCEPTED GENUS 2296:3VPY nidx=null]
 + Cretitanais Schram, Sieg & Malzahn, 1986 [ACCEPTED GENUS 2298:84N8R nidx=null]
Cretitanaoidea
 - Cretitanaoidea [ACCEPTED SUPERFAMILY 2296:4ZH nidx=null]
 + Cretitanaoidea Schram, Sieg & Malzahn, 1983 [ACCEPTED SUPERFAMILY 2298:84JXF nidx=null]
Cribrochalina
 - Cribrochalina [ACCEPTED GENUS 2296:3VSQ nidx=null]
 + Cribrochalina Schmidt, 1870 [ACCEPTED GENUS 2298:84LYM nidx=null]
Cribrochalina ambigua
 - Cribrochalina ambigua Marenzeller, 1886 [SYNONYM SPECIES 2296:ZFQC nidx=null parent=76VG8]
 + Cribrochalina ambigua Marenzeller, 1886 [SYNONYM SPECIES 2298:84W7K nidx=null parent=85SBR]
Cribrospongiidae
 - Cribrospongiidae [ACCEPTED FAMILY 2296:8P4 nidx=null]
 + Cribrospongiidae Roemer, 1864 [ACCEPTED FAMILY 2298:84JYM nidx=null]
Crinincaminus
 - Crinincaminus [ACCEPTED GENUS 2296:3VV3 nidx=null]
 + Crinincaminus Ettensohn, 1981 [ACCEPTED GENUS 2298:84N9D nidx=null]
Criodrilidae
 - Criodrilidae [ACCEPTED FAMILY 2296:8P9 nidx=null]
 + Criodrilidae Vejdovský, 1884 [ACCEPTED FAMILY 2298:84JYN nidx=null]
Criodrilus
 - Criodrilus [ACCEPTED GENUS 2296:3VWJ nidx=null]
 + Criodrilus Hoffmeister, 1845 [ACCEPTED GENUS 2298:84LYN nidx=null]
Crispatotrochus
 - Crispatotrochus [ACCEPTED GENUS 2296:3VXD nidx=null]
 + Crispatotrochus Tenison-Woods, 1878 [ACCEPTED GENUS 2298:84LYP nidx=null]
Cristapseudes
 - Cristapseudes [ACCEPTED GENUS 2296:3VXR nidx=null]
 + Cristapseudes Bacescu, 1980 [ACCEPTED GENUS 2298:84LYR nidx=null]
Cristatotanais
 - Cristatotanais [ACCEPTED GENUS 2296:3VY5 nidx=null]
 + Cristatotanais Kudinova-Pasternak, 1990 [ACCEPTED GENUS 2298:84NB8 nidx=null]
Crocodilurus lacertinus
 - Crocodilurus lacertinus Duméril & Bibron, 1839 [SYNONYM SPECIES 2296:ZKLM nidx=null parent=ZKLL]
 + Crocodilurus lacertinus Duméril & Bibron, 1839 [SYNONYM SPECIES 2298:84X4Z nidx=null parent=ZKLL]
Crozetospira
 - Crozetospira [ACCEPTED GENUS 2296:62P2G nidx=null]
 + Crozetospira Rzhavsky, 1997 [ACCEPTED GENUS 2298:84NC2 nidx=null]
Crucigera
 - Crucigera [ACCEPTED GENUS 2296:3W9L nidx=null]
 + Crucigera Benedict, 1887 [ACCEPTED GENUS 2298:84LYX nidx=null]
Crustipellis
 - Crustipellis [ACCEPTED GENUS 2296:3WB8 nidx=null]
 + Crustipellis Harman & Loden, 1978 [ACCEPTED GENUS 2298:84LYZ nidx=null]
Crybelonemertes
 - Crybelonemertes [ACCEPTED GENUS 2296:3WBV nidx=null]
 + Crybelonemertes Sundberg & Gibson, 1995 [ACCEPTED GENUS 2298:84NCJ nidx=null]
Cryogorgia
 - Cryogorgia [ACCEPTED GENUS 2296:3WC8 nidx=null]
 + Cryogorgia Williams, 2005 [ACCEPTED GENUS 2298:84NCL nidx=null]
Cryptapseudes
 - Cryptapseudes [ACCEPTED GENUS 2296:62P63 nidx=null]
 + Cryptapseudes Bacescu, 1976 [ACCEPTED GENUS 2298:84LZ8 nidx=null]
Cryptax
 - Cryptax [ACCEPTED GENUS 2296:3WFF nidx=null]
 + Cryptax de Laubenfels, 1954 [ACCEPTED GENUS 2298:84NCY nidx=null]
Cryptocandona
 - Cryptocandona [ACCEPTED GENUS 2296:3WGV nidx=null]
 + Cryptocandona Kaufmann, 1900 [ACCEPTED GENUS 2298:84ND2 nidx=null]
Cryptocope
 - Cryptocope [ACCEPTED GENUS 2296:3WJX nidx=null]
 + Cryptocope Sars, 1882 [ACCEPTED GENUS 2298:84LZC nidx=null]
Cryptocopidae
 - Cryptocopidae [ACCEPTED FAMILY 2296:8QH nidx=null]
 + Cryptocopidae Sieg, 1977 [ACCEPTED FAMILY 2298:84K5F nidx=null]
Cryptocopoides
 - Cryptocopoides [ACCEPTED GENUS 2296:3WJY nidx=null]
 + Cryptocopoides Sieg, 1976 [ACCEPTED GENUS 2298:84LZD nidx=null]
Cryptocorynetes
 - Cryptocorynetes [ACCEPTED GENUS 2296:3WK5 nidx=null]
 + Cryptocorynetes Yager, 1987 [ACCEPTED GENUS 2298:84ND5 nidx=null]
Cryptocorynetidae
 - Cryptocorynetidae [ACCEPTED FAMILY 2296:8QJ nidx=null]
 + Cryptocorynetidae Hoenemann, Neiber, Schram & Koenemann in Hoenemann, Neiber, Humphreys, Iliffe, Li, Schram & Koenemann, 2013 [ACCEPTED FAMILY 2298:84K5G nidx=null]
Cryptonemertes
 - Cryptonemertes [ACCEPTED GENUS 2296:3WP5 nidx=null]
 + Cryptonemertes Gibson, 1986 [ACCEPTED GENUS 2298:84NDG nidx=null]
Cryptonome
 - Cryptonome [ACCEPTED GENUS 2296:3WPC nidx=null]
 + Cryptonome Borda, Kudenov, Bienhold & Rouse, 2012 [ACCEPTED GENUS 2298:84NDJ nidx=null]
Cryptonota citrina
 - Cryptonota citrina Stimpson, 1854 [SYNONYM SPECIES 2296:ZYBH nidx=null parent=6ZBFV]
 + Cryptonota citrina Stimpson, 1853 [SYNONYM SPECIES 2298:84X54 nidx=null parent=6ZBFV]
Cryptophyton
 - Cryptophyton [ACCEPTED GENUS 2296:3WQW nidx=null]
 + Cryptophyton Williams, 2000 [ACCEPTED GENUS 2298:84LZK nidx=null]
Cryptosyringa
 - Cryptosyringa [ACCEPTED GENUS 2296:62P6L nidx=null]
 + Cryptosyringa Vacelet, 1979 [ACCEPTED GENUS 2298:84LZN nidx=null]
Cryptotrochus
 - Cryptotrochus [ACCEPTED GENUS 2296:6329Y nidx=null]
 + Cryptotrochus Cairns, 1988 [ACCEPTED GENUS 2298:84LZQ nidx=null]
Ctenactis
 - Ctenactis [ACCEPTED GENUS 2296:3WWM nidx=null]
 + Ctenactis Verrill, 1864 [ACCEPTED GENUS 2298:84LZT nidx=null]
Ctenapseudes
 - Ctenapseudes [ACCEPTED GENUS 2296:62Q9F nidx=null]
 + Ctenapseudes Bamber, Ariyananda & Silva, 1997 [ACCEPTED GENUS 2298:84NDX nidx=null]
Ctenella
 - Ctenella [ACCEPTED GENUS 2296:3WX4 nidx=null]
 + Ctenella Matthai, 1928 [ACCEPTED GENUS 2298:84LZV nidx=null]
Ctenobolbina
 - Ctenobolbina [ACCEPTED GENUS 2296:3WY9 nidx=null]
 + Ctenobolbina Ulrich, 1890 [ACCEPTED GENUS 2298:84NF3 nidx=null]
Ctenocella
 - Ctenocella [ACCEPTED GENUS 2296:3WYK nidx=null]
 + Ctenocella Valenciennes, 1855 [ACCEPTED GENUS 2298:84NF4 nidx=null]
Ctenodrilus
 - Ctenodrilus [ACCEPTED GENUS 2296:3WZK nidx=null]
 + Ctenodrilus Claparède, 1863 [ACCEPTED GENUS 2298:84LZX nidx=null]
Ctenonotellidae
 - Ctenonotellidae [ACCEPTED FAMILY 2296:8RW nidx=null]
 + Ctenonotellidae Schmidt, 1941 [ACCEPTED FAMILY 2298:84K5H nidx=null]
Cubiculovinea
 - Cubiculovinea [ACCEPTED GENUS 2296:3X6V nidx=null]
 + Cubiculovinea Lommerzheim, 1981 [ACCEPTED GENUS 2298:84NFS nidx=null]
Culicia
 - Culicia [ACCEPTED GENUS 2296:62PYY nidx=null]
 + Culicia Dana, 1846 [ACCEPTED GENUS 2298:84M22 nidx=null]
Cuneocythere
 - Cuneocythere [ACCEPTED GENUS 2296:3XDC nidx=null]
 + Cuneocythere Lienenklaus, 1894 [ACCEPTED GENUS 2298:84NGC nidx=null]
Cuneocytheridae
 - Cuneocytheridae [ACCEPTED FAMILY 2296:8SM nidx=null]
 + Cuneocytheridae Mandelstam, 1959 [ACCEPTED FAMILY 2298:84K5K nidx=null]
Cuneonemertes
 - Cuneonemertes [ACCEPTED GENUS 2296:3XDH nidx=null]
 + Cuneonemertes Coe, 1926 [ACCEPTED GENUS 2298:84NGD nidx=null]
Curculio plagiatum
 - Curculio plagiatum Schaller, 1783 [SYNONYM SPECIES 2296:32J32 nidx=null parent=4GC6M]
 + Curculio plagiatum Schaller, 1783 [SYNONYM SPECIES 2298:84W85 nidx=null parent=4GC6M]
Curculio tessellatus
 - Curculio tessellatus Olivier, 1790 [AMBIGUOUS_SYNONYM SPECIES 2296:32JN2 nidx=null parent=6QHB6]
 + Curculio tessellatus Olivier, 1790 [AMBIGUOUS_SYNONYM SPECIES 2298:84X5F nidx=null parent=6QHB6]
Curranemertes
 - Curranemertes [ACCEPTED GENUS 2296:3XH6 nidx=null]
 + Curranemertes Kirsteuer, 1973 [ACCEPTED GENUS 2298:84NGQ nidx=null]
Curtichelia
 - Curtichelia [ACCEPTED GENUS 2296:3XHL nidx=null]
 + Curtichelia Kudinova-Pasternak, 1987 [ACCEPTED GENUS 2298:84NGR nidx=null]
Curtipleon
 - Curtipleon [ACCEPTED GENUS 2296:3XHN nidx=null]
 + Curtipleon Sieg, 1983 [ACCEPTED GENUS 2298:84M27 nidx=null]
Cushmanidea
 - Cushmanidea [ACCEPTED GENUS 2296:3XKF nidx=null]
 + Cushmanidea Blake, 1933 [ACCEPTED GENUS 2298:84M28 nidx=null]
Cushmanideidae
 - Cushmanideidae [ACCEPTED FAMILY 2296:8T9 nidx=null]
 + Cushmanideidae Puri, 1974 in Hartmann & Puri, 1974 [ACCEPTED FAMILY 2298:84JYR nidx=null]
Cyamocytheridea
 - Cyamocytheridea [ACCEPTED GENUS 2296:3XM3 nidx=null]
 + Cyamocytheridea Oertli, 1956 [ACCEPTED GENUS 2298:84NGT nidx=null]
Cyamon
 - Cyamon [ACCEPTED GENUS 2296:3XM6 nidx=null]
 + Cyamon Gray, 1867 [ACCEPTED GENUS 2298:84M29 nidx=null]
Cyaneidae
 - Cyaneidae [ACCEPTED FAMILY 2296:8TF nidx=null]
 + Cyaneidae L. Agassiz, 1862 [ACCEPTED FAMILY 2298:84JYS nidx=null]
Cyanonemertes
 - Cyanonemertes [ACCEPTED GENUS 2296:3XPG nidx=null]
 + Cyanonemertes Iwata, 2007 [ACCEPTED GENUS 2298:84NGV nidx=null]
Cyanophthalma
 - Cyanophthalma [ACCEPTED GENUS 2296:3XPR nidx=null]
 + Cyanophthalma Norenburg, 1986 [ACCEPTED GENUS 2298:84M2C nidx=null]
Cyathelia
 - Cyathelia [ACCEPTED GENUS 2296:3XQN nidx=null]
 + Cyathelia Milne Edwards & Haime, 1849 [ACCEPTED GENUS 2298:84M2D nidx=null]
Cyathella
 - Cyathella [ACCEPTED GENUS 2296:3XQP nidx=null]
 + Cyathella Schmidt, 1880 [ACCEPTED GENUS 2298:84M2F nidx=null]
Cyathopodium
 - Cyathopodium [ACCEPTED GENUS 2296:3XRM nidx=null]
 + Cyathopodium Verrill, 1868 [ACCEPTED GENUS 2298:84NH2 nidx=null]
Cyathoseris
 - Cyathoseris [ACCEPTED GENUS 2296:3XRS nidx=null]
 + Cyathoseris Milne Edwards & Haime, 1849 [ACCEPTED GENUS 2298:84NH3 nidx=null]
Cyathosmilia
 - Cyathosmilia [ACCEPTED GENUS 2296:3XRT nidx=null]
 + Cyathosmilia Tenison-Woods, 1878 [ACCEPTED GENUS 2298:84NH4 nidx=null]
Cyathotrochus
 - Cyathotrochus [ACCEPTED GENUS 2296:3XS4 nidx=null]
 + Cyathotrochus Bourne, 1905 [ACCEPTED GENUS 2298:84M2J nidx=null]
Cyclacanthia
 - Cyclacanthia [ACCEPTED GENUS 2296:3XTG nidx=null]
 + Cyclacanthia Samaai & Kelly, 2004 [ACCEPTED GENUS 2298:84NH7 nidx=null]
Cycladophora
 - Cycladophora [ACCEPTED GENUS 2296:3XTM nidx=null]
 + Cycladophora Ehrenberg, 1847 [ACCEPTED GENUS 2298:84NH8 nidx=null]
Cyclasterope
 - Cyclasterope [ACCEPTED GENUS 2296:62Q33 nidx=null]
 + Cyclasterope Brady, 1897 [ACCEPTED GENUS 2298:84NH9 nidx=null]
Cyclobrachia
 - Cyclobrachia [ACCEPTED GENUS 2296:3XV8 nidx=null]
 + Cyclobrachia Ivanov, 1960 [ACCEPTED GENUS 2298:84M2K nidx=null]
Cyclocypris
 - Cyclocypris [ACCEPTED GENUS 2296:3XWF nidx=null]
 + Cyclocypris Brady & Norman, 1889 [ACCEPTED GENUS 2298:84M2M nidx=null]
Cycloleberis
 - Cycloleberis [ACCEPTED GENUS 2296:3XXS nidx=null]
 + Cycloleberis Skogsberg, 1920 [ACCEPTED GENUS 2298:84M2Q nidx=null]
Cyclolites
 - Cyclolites [ACCEPTED GENUS 2296:3XXX nidx=null]
 + Cyclolites Lamarck, 1801 [ACCEPTED GENUS 2298:84NHD nidx=null]
Cyclomuricea
 - Cyclomuricea [ACCEPTED GENUS 2296:3XYN nidx=null]
 + Cyclomuricea Nutting, 1908 [ACCEPTED GENUS 2298:84M2R nidx=null]
Cyclopoapseudes
 - Cyclopoapseudes [ACCEPTED GENUS 2296:3Y28 nidx=null]
 + Cyclopoapseudes Menzies, 1953 [ACCEPTED GENUS 2298:84M2S nidx=null]
Cycloseris
 - Cycloseris [ACCEPTED GENUS 2296:3Y3W nidx=null]
 + Cycloseris Milne Edwards & Haime, 1849 [ACCEPTED GENUS 2298:84M2W nidx=null]
Cyenoserpula
 - Cyenoserpula [ACCEPTED GENUS 2296:6322H nidx=null]
 + Cyenoserpula Ziegler, 1984 [ACCEPTED GENUS 2298:84NHK nidx=null]
Cylindroleberididae
 - Cylindroleberididae [ACCEPTED FAMILY 2296:8V6 nidx=null]
 + Cylindroleberididae Müller, 1906 [ACCEPTED FAMILY 2298:84JYT nidx=null]
Cylindroleberidoidea
 - Cylindroleberidoidea [ACCEPTED SUPERFAMILY 2296:4ZZ nidx=null]
 + Cylindroleberidoidea Müller, 1906 [ACCEPTED SUPERFAMILY 2298:84JS5 nidx=null]
Cylindroleberis
 - Cylindroleberis [ACCEPTED GENUS 2296:62Q3Q nidx=null]
 + Cylindroleberis Brady, 1867 [ACCEPTED GENUS 2298:84M2Z nidx=null]
Cymbastela
 - Cymbastela [ACCEPTED GENUS 2296:3YFZ nidx=null]
 + Cymbastela Hooper & Bergquist, 1992 [ACCEPTED GENUS 2298:84M34 nidx=null]
Cymbicopia
 - Cymbicopia [ACCEPTED GENUS 2296:3YG2 nidx=null]
 + Cymbicopia Kornicker, 1975 [ACCEPTED GENUS 2298:84M35 nidx=null]
Cynarina
 - Cynarina [ACCEPTED GENUS 2296:3YJK nidx=null]
 + Cynarina Brüggemann, 1877 [ACCEPTED GENUS 2298:84M38 nidx=null]
Cyphastrea
 - Cyphastrea [ACCEPTED GENUS 2296:3YML nidx=null]
 + Cyphastrea Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84M3B nidx=null]
Cypretta
 - Cypretta [ACCEPTED GENUS 2296:3YST nidx=null]
 + Cypretta Vávra, 1895 [ACCEPTED GENUS 2298:84M3C nidx=null]
Cypricercus
 - Cypricercus [ACCEPTED GENUS 2296:3YSV nidx=null]
 + Cypricercus G.O. Sars, 1895 [ACCEPTED GENUS 2298:84M3D nidx=null]
Cyprideis
 - Cyprideis [ACCEPTED GENUS 2296:3YSX nidx=null]
 + Cyprideis Jones, 1857 [ACCEPTED GENUS 2298:84M3F nidx=null]
Cyprididae
 - Cyprididae [ACCEPTED FAMILY 2296:8WC nidx=null]
 + Cyprididae Baird, 1845 [ACCEPTED FAMILY 2298:84JYV nidx=null]
Cypridina
 - Cypridina [ACCEPTED GENUS 2296:3YSY nidx=null]
 + Cypridina Milne Edwards, 1840 [ACCEPTED GENUS 2298:84M3G nidx=null]
Cypridina (Cypridina) serrata serrata
 - Cypridina (Cypridina) serrata serrata (Mueller, 1906) [SYNONYM SUBSPECIES 2296:5GSCY nidx=null parent=5DZ58]
 + Cypridina (Cypridina) serrata serrata (Müller, 1906) [SYNONYM SUBSPECIES 2298:852Q7 nidx=null parent=85N4G]
Cypridina dorsocurvata
 - Cypridina dorsocurvata Graf, 1931 [ACCEPTED SPECIES 2296:6C8V5 nidx=null]
 + Cypridina dorsocurvata Graf, 1931 [SYNONYM SPECIES 2298:84X7N nidx=null parent=33HGC]
Cypridina serrata serrata
 - Cypridina serrata serrata Mueller, 1906 [ACCEPTED INFRASPECIFIC_NAME 2296:5DZ58 nidx=null]
 - Cypridina serrata serrata (Mueller, 1906) [SYNONYM SUBSPECIES 2296:5DZ59 nidx=null parent=5DZ58]
 + Cypridina serrata serrata (Müller, 1906) [SYNONYM SUBSPECIES 2298:852P2 nidx=null parent=85N4G]
Cypridinidae
 - Cypridinidae [ACCEPTED FAMILY 2296:8WD nidx=null]
 + Cypridinidae Baird, 1850 [ACCEPTED FAMILY 2298:84JYW nidx=null]
Cypridinodes
 - Cypridinodes [ACCEPTED GENUS 2296:3YSZ nidx=null]
 + Cypridinodes Brady, 1902 [ACCEPTED GENUS 2298:84NJK nidx=null]
Cypridinoidea
 - Cypridinoidea [ACCEPTED SUPERFAMILY 2296:527 nidx=null]
 + Cypridinoidea Baird, 1850 [ACCEPTED SUPERFAMILY 2298:84JS6 nidx=null]
Cypridoidea
 - Cypridoidea [ACCEPTED SUPERFAMILY 2296:528 nidx=null]
 + Cypridoidea Baird, 1845 [ACCEPTED SUPERFAMILY 2298:84JS7 nidx=null]
Cypridopsis
 - Cypridopsis [ACCEPTED GENUS 2296:3YT3 nidx=null]
 + Cypridopsis Brady, 1867 [ACCEPTED GENUS 2298:84M3H nidx=null]
Cyprinotus
 - Cyprinotus [ACCEPTED GENUS 2296:62PT5 nidx=null]
 + Cyprinotus Brady, 1886 [ACCEPTED GENUS 2298:84M3J nidx=null]
Cypris
 - Cypris [ACCEPTED GENUS 2296:62Q4T nidx=null]
 + Cypris O.F. Müller, 1776 [ACCEPTED GENUS 2298:84M3K nidx=null]
Cyrtaulon
 - Cyrtaulon [ACCEPTED GENUS 2296:3YVZ nidx=null]
 + Cyrtaulon Schulze, 1886 [ACCEPTED GENUS 2298:84M3M nidx=null]
Cytheralison
 - Cytheralison [ACCEPTED GENUS 2296:3Z5H nidx=null]
 + Cytheralison Hornibrook, 1952 [ACCEPTED GENUS 2298:84NK5 nidx=null]
Cytheralisonidae
 - Cytheralisonidae [ACCEPTED FAMILY 2296:8XF nidx=null]
 + Cytheralisonidae Jellinek & Swanson, 2003 [ACCEPTED FAMILY 2298:84K5M nidx=null]
Cythere
 - Cythere [ACCEPTED GENUS 2296:3Z5J nidx=null]
 + Cythere Mueller, 1785 [ACCEPTED GENUS 2298:84M3P nidx=null]
Cythere costataxi
 - Cythere costataxi ? [SYNONYM SPECIES 2296:7VMB9 nidx=null parent=KDBP]
 + Cythere costataxi ? [SYNONYM SPECIES 2298:84X7W nidx=null parent=KDBP]
Cythere fischeri
 - Cythere fischeri Brady, 1869 [SYNONYM SPECIES 2296:33QH5 nidx=null parent=3W98X]
 + Cythere fischeri Brady, 1869 [SYNONYM SPECIES 2298:84X7Z nidx=null parent=3W9GF]
Cythere impressa
 - Cythere impressa Baird, 1850 [SYNONYM SPECIES 2296:33QJ9 nidx=null parent=3W9BS]
 + Cythere impressa Baird, 1850 [AMBIGUOUS_SYNONYM SPECIES 2298:84W8T nidx=null parent=72NTL]
 + Cythere impressa M'Coy, 1844 [ACCEPTED SPECIES 2298:84W8V nidx=null]
Cythere simplex
 - Cythere simplex Norman, 1865 [SYNONYM SPECIES 2296:33QP3 nidx=null parent=3X4LS]
 + Cythere simplex Norman, 1865 [AMBIGUOUS_SYNONYM SPECIES 2298:84X8H nidx=null parent=84X5M]
 + Cythere simplex (Cornuel, 1846) Deroo, 1957 [ACCEPTED SPECIES 2298:84X8J nidx=null]
Cytherella
 - Cytherella [ACCEPTED GENUS 2296:3Z5N nidx=null]
 + Cytherella Jones, 1849 [ACCEPTED GENUS 2298:84M3R nidx=null]
Cytherellidae
 - Cytherellidae [ACCEPTED FAMILY 2296:8XG nidx=null]
 + Cytherellidae Sars, 1866 [ACCEPTED FAMILY 2298:84JYY nidx=null]
Cytherelloidea
 - Cytherelloidea [ACCEPTED SUPERFAMILY 2296:52B nidx=null]
 + Cytherelloidea G.O. Sars, 1866 [ACCEPTED SUPERFAMILY 2298:84JS8 nidx=null]
 + Cytherelloidea Alexander, 1929 [ACCEPTED GENUS 2298:84JS9 nidx=null]
Cytheretta
 - Cytheretta [ACCEPTED GENUS 2296:3Z5Q nidx=null]
 + Cytheretta Mueller, 1894 [ACCEPTED GENUS 2298:84M3S nidx=null]
Cytherettidae
 - Cytherettidae [ACCEPTED FAMILY 2296:8XH nidx=null]
 + Cytherettidae Triebel, 1952 [ACCEPTED FAMILY 2298:84JYZ nidx=null]
Cytheridae
 - Cytheridae [ACCEPTED FAMILY 2296:8XJ nidx=null]
 + Cytheridae Baird, 1850 [ACCEPTED FAMILY 2298:84JZ2 nidx=null]
Cytherideidae
 - Cytherideidae [ACCEPTED FAMILY 2296:8XK nidx=null]
 + Cytherideidae Sars, 1925 [ACCEPTED FAMILY 2298:84JZ3 nidx=null]
Cytheridella
 - Cytheridella [ACCEPTED GENUS 2296:3Z5T nidx=null]
 + Cytheridella Daday, 1905 [ACCEPTED GENUS 2298:84M3V nidx=null]
Cytheroidea
 - Cytheroidea [ACCEPTED SUPERFAMILY 2296:52C nidx=null]
 + Cytheroidea Baird, 1850 [ACCEPTED SUPERFAMILY 2298:84JSB nidx=null]
Cytherois
 - Cytherois [ACCEPTED GENUS 2296:6324M nidx=null]
 + Cytherois Mueller, 1884 [ACCEPTED GENUS 2298:84M3W nidx=null]
Cytheroma
 - Cytheroma [ACCEPTED GENUS 2296:3Z5V nidx=null]
 + Cytheroma Mueller, 1894 [ACCEPTED GENUS 2298:84NK7 nidx=null]
Cytheromatidae
 - Cytheromatidae [ACCEPTED FAMILY 2296:8XL nidx=null]
 + Cytheromatidae Elofson, 1939 [ACCEPTED FAMILY 2298:84JZ4 nidx=null]
Cytheromorpha
 - Cytheromorpha [ACCEPTED GENUS 2296:3Z5W nidx=null]
 + Cytheromorpha Hirschmann, 1909 [ACCEPTED GENUS 2298:84M3X nidx=null]
Cytheropsis
 - Cytheropsis [ACCEPTED GENUS 2296:3Z5X nidx=null]
 + Cytheropsis M'Coy, 1849 [ACCEPTED GENUS 2298:84NK8 nidx=null]
Cytheropteron
 - Cytheropteron [ACCEPTED GENUS 2296:3Z5Y nidx=null]
 - Cytheropteron [ACCEPTED SUBGENUS 2296:3Z5Z nidx=null]
 + Cytheropteron Sars, 1866 [ACCEPTED GENUS 2298:84M3Y nidx=null]
Cytheropteron assimilis funafutiense
 - Cytheropteron assimilis funafutiense Chapman, 1910 [SYNONYM SUBSPECIES 2296:5GSRB nidx=null parent=7HKBN]
 + Cytheropteron assimilis funafutiense Chapman, 1910 [SYNONYM SUBSPECIES 2298:852Q8 nidx=null parent=85MRM]
Cytheropteron frigidum
 - Cytheropteron frigidum (Neale, 1967) Whatley, Chadwick, Coxill & Toy, 198 [AMBIGUOUS_SYNONYM SPECIES 2296:33RKF nidx=null parent=5V9PL]
 + Cytheropteron frigidum (Neale, 1967) Whatley, Chadwick, Coxill & Toy, 1988 [AMBIGUOUS_SYNONYM SPECIES 2298:84W9V nidx=null parent=5V9PL]
Cytherura
 - Cytherura [ACCEPTED GENUS 2296:3Z62 nidx=null]
 + Cytherura Sars, 1866 [ACCEPTED GENUS 2298:84M3Z nidx=null]
Cytheruridae
 - Cytheruridae [ACCEPTED FAMILY 2296:8XM nidx=null]
 + Cytheruridae Müller, 1894 [ACCEPTED FAMILY 2298:84JZ5 nidx=null]
Dactylia
 - Dactylia [ACCEPTED GENUS 2296:62Q5X nidx=null]
 + Dactylia Carter, 1885 [ACCEPTED GENUS 2298:84M44 nidx=null]
Dactylia repens
 - Dactylia repens (Carter, 1886) [ACCEPTED SPECIES 2296:6BXFS nidx=null]
 + Dactylia repens (Carter, 1886) [SYNONYM SPECIES 2298:84X97 nidx=null parent=85SS3]
Dactylocalycidae
 - Dactylocalycidae [ACCEPTED FAMILY 2296:8Y6 nidx=null]
 + Dactylocalycidae Gray, 1867 [ACCEPTED FAMILY 2298:84JZ6 nidx=null]
Dactylocalyx
 - Dactylocalyx [ACCEPTED GENUS 2296:3ZBJ nidx=null]
 + Dactylocalyx Stutchbury, 1841 [ACCEPTED GENUS 2298:84M45 nidx=null]
Dactylocalyx heteroformis
 - Dactylocalyx heteroformis Bowerbank, 1869 [SYNONYM SPECIES 2296:6BZ24 nidx=null parent=3SY9J]
 + Dactylocalyx heteroformis Bowerbank, 1869 [SYNONYM SPECIES 2298:84X98 nidx=null parent=85SYZ]
Dactylochalina australis
 - Dactylochalina australis Lendenfeld, 1886 [SYNONYM SPECIES 2296:6BYR8 nidx=null parent=PWM8]
 + Dactylochalina australis Lendenfeld, 1886 [SYNONYM SPECIES 2298:84X99 nidx=null parent=85SPN]
Dactylochalina candelabrum
 - Dactylochalina candelabrum Lendenfeld, 1889 [SYNONYM SPECIES 2296:6BZ2W nidx=null parent=PWM8]
 + Dactylochalina candelabrum Lendenfeld, 1887 [SYNONYM SPECIES 2298:84X9B nidx=null parent=85SPN]
Dactylochalina mollis
 - Dactylochalina mollis Lendenfeld, 1887 [SYNONYM SPECIES 2296:6BZ2X nidx=null parent=PWM8]
 + Dactylochalina mollis Lendenfeld, 1887 [SYNONYM SPECIES 2298:84X9C nidx=null parent=85SPN]
Dactylochalina reticulata
 - Dactylochalina reticulata Lendenfeld, 1886 [SYNONYM SPECIES 2296:6BYQY nidx=null parent=6BXFS]
 + Dactylochalina reticulata Lendenfeld, 1886 [SYNONYM SPECIES 2298:84X9D nidx=null parent=85SS3]
Dactylochalina villosa
 - Dactylochalina villosa Lendenfeld, 1887 [SYNONYM SPECIES 2296:6BYQZ nidx=null parent=5WVDB]
 + Dactylochalina villosa Lendenfeld, 1887 [SYNONYM SPECIES 2298:84X9F nidx=null parent=85SXG]
Dactyloprion
 - Dactyloprion [ACCEPTED GENUS 2296:3ZD6 nidx=null]
 + Dactyloprion Gutu, 2002 [ACCEPTED GENUS 2298:84NKK nidx=null]
Dactylospongia
 - Dactylospongia [ACCEPTED GENUS 2296:3ZDX nidx=null]
 + Dactylospongia Bergquist, 1965 [ACCEPTED GENUS 2298:84M48 nidx=null]
Dactylotrochus
 - Dactylotrochus [ACCEPTED GENUS 2296:6325K nidx=null]
 + Dactylotrochus Wells, 1954 [ACCEPTED GENUS 2298:84M49 nidx=null]
Daedalopelta
 - Daedalopelta [ACCEPTED GENUS 2296:3ZFK nidx=null]
 + Daedalopelta Sollas, 1888 [ACCEPTED GENUS 2298:84M4B nidx=null]
Daenerytanais
 - Daenerytanais [ACCEPTED GENUS 2296:3ZFS nidx=null]
 + Daenerytanais Sánchez-Garcia, Engel, Bird, Perrichot & Peñalver, 2017 [ACCEPTED GENUS 2298:84NKP nidx=null]
Dalhousiella
 - Dalhousiella [ACCEPTED GENUS 2296:3ZKJ nidx=null]
 + Dalhousiella McIntosh, 1901 [ACCEPTED GENUS 2298:84M4G nidx=null]
Dalhousiella ancuda
 - Dalhousiella ancuda Wesenberg-Lund, 1962 [ACCEPTED SPECIES 2296:6CBDV nidx=null]
 + Dalhousiella ancuda Wesenberg-Lund, 1962 [SYNONYM SPECIES 2298:84X9T nidx=null parent=4NB5H]
Damiria
 - Damiria [ACCEPTED GENUS 2296:3ZNW nidx=null]
 + Damiria Keller, 1891 [ACCEPTED GENUS 2298:84M4M nidx=null]
Damiriana hawaiiana
 - Damiriana hawaiiana Laubenfels, 1950 [SYNONYM SPECIES 2296:3439S nidx=null parent=6QL3Y]
 + Damiriana hawaiiana de Laubenfels, 1950 [SYNONYM SPECIES 2298:84X9X nidx=null parent=85GZK]
Damiriopsis
 - Damiriopsis [ACCEPTED GENUS 2296:3ZNX nidx=null]
 + Damiriopsis Burton, 1928 [ACCEPTED GENUS 2298:84M4N nidx=null]
Dampiercythere
 - Dampiercythere [ACCEPTED GENUS 2296:3ZPP nidx=null]
 + Dampiercythere Hartmann, 1978 [ACCEPTED GENUS 2298:84NL3 nidx=null]
Danafungia
 - Danafungia [ACCEPTED GENUS 2296:3ZQ5 nidx=null]
 + Danafungia Wells, 1966 [ACCEPTED GENUS 2298:84NL4 nidx=null]
Dananemertes
 - Dananemertes [ACCEPTED GENUS 2296:3ZQB nidx=null]
 + Dananemertes Friedrich, 1957 [ACCEPTED GENUS 2298:84NL5 nidx=null]
Danielopolina
 - Danielopolina [ACCEPTED GENUS 2296:3ZR8 nidx=null]
 + Danielopolina Kornicker & Sohn, 1976 [ACCEPTED GENUS 2298:84M4R nidx=null]
Danipussella
 - Danipussella [ACCEPTED GENUS 2296:3ZRL nidx=null]
 + Danipussella Wouters, 1988 [ACCEPTED GENUS 2298:84NL8 nidx=null]
Dantya
 - Dantya [ACCEPTED GENUS 2296:3ZS5 nidx=null]
 + Dantya Kornicker & Cohen, 1978 [ACCEPTED GENUS 2298:84M4S nidx=null]
Danymene
 - Danymene [ACCEPTED GENUS 2296:3ZSD nidx=null]
 + Danymene Kinberg, 1865 [ACCEPTED GENUS 2298:84NLB nidx=null]
Darwinella
 - Darwinella [ACCEPTED GENUS 2296:3ZWB nidx=null]
 + Darwinella Müller, 1865 [ACCEPTED GENUS 2298:84M4W nidx=null]
Darwinellidae
 - Darwinellidae [ACCEPTED FAMILY 2296:8ZF nidx=null]
 + Darwinellidae Merejkowsky, 1879 [ACCEPTED FAMILY 2298:84JZ8 nidx=null]
Darwinulidae
 - Darwinulidae [ACCEPTED FAMILY 2296:8ZG nidx=null]
 + Darwinulidae Brady & Robertson, 1885 [ACCEPTED FAMILY 2298:84JZ9 nidx=null]
Darwinuloidea
 - Darwinuloidea [ACCEPTED SUPERFAMILY 2296:52G nidx=null]
 + Darwinuloidea Brady & Norman, 1889 [ACCEPTED SUPERFAMILY 2298:84JSC nidx=null]
Dasmosmilia
 - Dasmosmilia [ACCEPTED GENUS 2296:3ZXQ nidx=null]
 + Dasmosmilia Pourtalès, 1880 [ACCEPTED GENUS 2298:84M4Z nidx=null]
Dasybranchethus
 - Dasybranchethus [ACCEPTED GENUS 2296:3ZYD nidx=null]
 + Dasybranchethus Monro, 1931 [ACCEPTED GENUS 2298:84NLK nidx=null]
Dasybranchus
 - Dasybranchus [ACCEPTED GENUS 2296:62PW6 nidx=null]
 + Dasybranchus Grube, 1850 [ACCEPTED GENUS 2298:84M52 nidx=null]
Dasychalina
 - Dasychalina [ACCEPTED GENUS 2296:3ZYP nidx=null]
 + Dasychalina Ridley & Dendy, 1886 [ACCEPTED GENUS 2298:84M54 nidx=null]
Dasychone capensis
 - Dasychone capensis McIntosh, 1885 [SYNONYM SPECIES 2296:3486L nidx=null parent=N6Q7]
 + Dasychone capensis McIntosh, 1885 [SYNONYM SPECIES 2298:84XB5 nidx=null parent=N6NN]
Dasychone foliosa
 - Dasychone foliosa Ehlers, 1913 [SYNONYM SPECIES 2296:3486T nidx=null parent=N6Q7]
 + Dasychone foliosa Ehlers, 1913 [SYNONYM SPECIES 2298:84XB6 nidx=null parent=N6Q7]
Dasychone odhneri
 - Dasychone odhneri Fauvel, 1921 [SYNONYM SPECIES 2296:34876 nidx=null parent=4TV77]
 + Dasychone odhneri Fauvel, 1921 [SYNONYM SPECIES 2298:84XB7 nidx=null parent=85FBD]
Dasychone picta
 - Dasychone picta McIntosh, 1885 [SYNONYM SPECIES 2296:34878 nidx=null parent=693CJ]
 + Dasychone picta McIntosh, 1885 [SYNONYM SPECIES 2298:84XB8 nidx=null parent=85FBF]
Dasychone violacea natalensis
 - Dasychone violacea natalensis Day, 1934 [SYNONYM SUBSPECIES 2296:7JP96 nidx=null parent=N6Q7]
 + Dasychone violacea natalensis Day, 1934 [SYNONYM SUBSPECIES 2298:852Q9 nidx=null parent=N6Q7]
Dasynema
 - Dasynema [ACCEPTED GENUS 2296:422X nidx=null]
 + Dasynema de Saint-Joseph, 1894 [ACCEPTED GENUS 2298:84NLM nidx=null]
Dasystenella
 - Dasystenella [ACCEPTED GENUS 2296:4258 nidx=null]
 + Dasystenella Versluys, 1906 [ACCEPTED GENUS 2298:84NLR nidx=null]
Dattaguptus
 - Dattaguptus [ACCEPTED GENUS 2296:426D nidx=null]
 + Dattaguptus Murina & Popkov, 2000 [ACCEPTED GENUS 2298:84M5R nidx=null]
Davisia amoena
 - Davisia amoena Gaevskaya, Kovaljova & Umnova, 1980 [ACCEPTED SPECIES 2296:34C84 nidx=null]
 + Davisia amoena Gaevskaya, Kovaljova & Umnova, 1980 [SYNONYM SPECIES 2298:84XBJ nidx=null parent=85J2W]
Davisia newfoundlandia
 - Davisia newfoundlandia Yoshino & Noble, 1973 [ACCEPTED SPECIES 2296:34C89 nidx=null]
 + Davisia newfoundlandia Yoshino & Noble, 1973 [SYNONYM SPECIES 2298:84XBK nidx=null parent=85J3J]
Davisia ophidioni
 - Davisia ophidioni Zaika, 1966 [ACCEPTED SPECIES 2296:6CFWZ nidx=null]
 + Davisia ophidioni Zaika, 1966 [SYNONYM SPECIES 2298:84XBL nidx=null parent=85J3M]
Dayipsammolyce
 - Dayipsammolyce [ACCEPTED GENUS 2296:62PWB nidx=null]
 + Dayipsammolyce Pettibone, 1997 [ACCEPTED GENUS 2298:84NLZ nidx=null]
Daylithos
 - Daylithos [ACCEPTED GENUS 2296:429G nidx=null]
 + Daylithos Salazar-Vallejo, 2012 [ACCEPTED GENUS 2298:84NM3 nidx=null]
Deanea virgultosa
 - Deanea virgultosa Bowerbank, 1875 [ACCEPTED SPECIES 2296:6CG9V nidx=null]
 + Deanea virgultosa Bowerbank, 1875 [SYNONYM SPECIES 2298:84XBN nidx=null parent=85SXS]
Debissonia
 - Debissonia [ACCEPTED GENUS 2296:62PVG nidx=null]
 + Debissonia Jellinek & Swanson, 2003 [ACCEPTED GENUS 2298:84NM6 nidx=null]
Decachela
 - Decachela [ACCEPTED GENUS 2296:62Q7M nidx=null]
 + Decachela Hilton, 1939 [ACCEPTED GENUS 2298:84M76 nidx=null]
Decamastus
 - Decamastus [ACCEPTED GENUS 2296:42BD nidx=null]
 + Decamastus Hartman, 1963 [ACCEPTED GENUS 2298:84M7B nidx=null]
Decemunciger
 - Decemunciger [ACCEPTED GENUS 2296:42CT nidx=null]
 + Decemunciger Zottoli, 1982 [ACCEPTED GENUS 2298:84NM8 nidx=null]
Decolopoda
 - Decolopoda [ACCEPTED GENUS 2296:63282 nidx=null]
 + Decolopoda Eights, 1835 [ACCEPTED GENUS 2298:84M7W nidx=null]
Deefgella
 - Deefgella [ACCEPTED GENUS 2296:42FJ nidx=null]
 + Deefgella Schallreuter, 1981 [ACCEPTED GENUS 2298:84NMC nidx=null]
Deepstaria
 - Deepstaria [ACCEPTED GENUS 2296:42FN nidx=null]
 + Deepstaria Russell, 1967 [ACCEPTED GENUS 2298:84M5S nidx=null]
Deeveya
 - Deeveya [ACCEPTED GENUS 2296:42FQ nidx=null]
 + Deeveya Kornicker & Iliffe, 1985 [ACCEPTED GENUS 2298:84M83 nidx=null]
Deeveyidae
 - Deeveyidae [ACCEPTED FAMILY 2296:92H nidx=null]
 + Deeveyidae Kornicker & Iliffe, 1985 [ACCEPTED FAMILY 2298:84K5N nidx=null]
Deeveyoecia
 - Deeveyoecia [ACCEPTED GENUS 2296:42FR nidx=null]
 + Deeveyoecia Chavtur & Angel, 2011 [ACCEPTED GENUS 2298:84NMD nidx=null]
Deidamiapseudes
 - Deidamiapseudes [ACCEPTED GENUS 2296:42HJ nidx=null]
 + Deidamiapseudes Sganga & Roccatagliata, 2016 [ACCEPTED GENUS 2298:84NMF nidx=null]
Delamarcythere
 - Delamarcythere [ACCEPTED GENUS 2296:42L8 nidx=null]
 + Delamarcythere Hartmann, 1974 [ACCEPTED GENUS 2298:84NMH nidx=null]
Delaya
 - Delaya [ACCEPTED GENUS 2296:42LS nidx=null]
 + Delaya Brinkhurst, 1988 [ACCEPTED GENUS 2298:84NMJ nidx=null]
Delectona
 - Delectona [ACCEPTED GENUS 2296:42LX nidx=null]
 + Delectona Laubenfels, 1936 [ACCEPTED GENUS 2298:84M97 nidx=null]
Deltocyathidae
 - Deltocyathidae [ACCEPTED FAMILY 2296:936 nidx=null]
 + Deltocyathidae Kitahara, Cairns, Stolarski & Miller, 2012 [ACCEPTED FAMILY 2298:84K5P nidx=null]
Deltocyathoides
 - Deltocyathoides [ACCEPTED GENUS 2296:42SS nidx=null]
 + Deltocyathoides Yabe & Eguchi, 1932 [ACCEPTED GENUS 2298:84MB4 nidx=null]
Deltocyathus
 - Deltocyathus [ACCEPTED GENUS 2296:42ST nidx=null]
 + Deltocyathus Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84MB5 nidx=null]
Deminutiocandona
 - Deminutiocandona [ACCEPTED GENUS 2296:42V9 nidx=null]
 + Deminutiocandona Karanovic, 2003 [ACCEPTED GENUS 2298:84NMN nidx=null]
Demospongiae
 - Demospongiae [ACCEPTED CLASS 2296:622CQ nidx=null]
 + Demospongiae Sollas, 1885 [ACCEPTED CLASS 2298:84JN6 nidx=null]
Dendoricella
 - Dendoricella [ACCEPTED GENUS 2296:62PH5 nidx=null]
 + Dendoricella Lundbeck, 1905 [ACCEPTED GENUS 2298:84MBP nidx=null]
Dendoricellidae
 - Dendoricellidae [ACCEPTED FAMILY 2296:62496 nidx=null]
 + Dendoricellidae Hentschel, 1923 [ACCEPTED FAMILY 2298:84JZB nidx=null]
Dendoryx simplex
 - Dendoryx simplex Baer, 1906 [SYNONYM SPECIES 2296:34LWM nidx=null parent=6QKSB]
 + Dendoryx simplex Baer, 1906 [SYNONYM SPECIES 2298:84XBX nidx=null parent=84ZDL]
Dendranthema zawadskii var. latilobum
 - Dendranthema zawadskii var. latilobum (Maxim.) Kitam. [SYNONYM VARIETY 2296:5NHHZ nidx=null parent=5YJBZ]
 + Dendranthema zawadskii var. latilobum (Maxim.) Kitam. [SYNONYM VARIETY 2298:84ZKF nidx=null parent=5YJBZ]
Dendrectilla
 - Dendrectilla [ACCEPTED GENUS 2296:42X5 nidx=null]
 + Dendrectilla Pulitzer-Finali, 1983 [ACCEPTED GENUS 2298:84NMS nidx=null]
Dendrilla
 - Dendrilla [ACCEPTED GENUS 2296:42XB nidx=null]
 + Dendrilla Lendenfeld, 1883 [ACCEPTED GENUS 2298:84MBX nidx=null]
Dendrilla cactus
 - Dendrilla cactus [ACCEPTED SPECIES 2296:34M55 nidx=null]
 + Dendrilla cactus [AMBIGUOUS_SYNONYM SPECIES 2298:84XBY nidx=null parent=85SNF]
 + Dendrilla cactus (Selenka, 1867) [AMBIGUOUS_SYNONYM SPECIES 2298:84XBZ nidx=null parent=34M54]
Dendrilla lacunosa
 - Dendrilla lacunosa Hentschel, 1912 [ACCEPTED SPECIES 2296:6CJTD nidx=null]
 + Dendrilla lacunosa Hentschel, 1912 [SYNONYM SPECIES 2298:84WCB nidx=null parent=85D7H]
Dendrilla rosea var. digitata
 - Dendrilla rosea var. digitata Lendenfeld, 1889 [SYNONYM VARIETY 2296:5NHJD nidx=null parent=34M5L]
 + Dendrilla rosea var. digitata Carter, 1886 [SYNONYM VARIETY 2298:852TH nidx=null parent=34M5L]
Dendrobaena
 - Dendrobaena [ACCEPTED GENUS 2296:42XL nidx=null]
 + Dendrobaena Eisen, 1874 [ACCEPTED GENUS 2298:84MC3 nidx=null]
Dendrobrachia
 - Dendrobrachia [ACCEPTED GENUS 2296:42XY nidx=null]
 + Dendrobrachia Brook, 1889 [ACCEPTED GENUS 2298:84NMT nidx=null]
Dendrobrachiidae
 - Dendrobrachiidae [ACCEPTED FAMILY 2296:93H nidx=null]
 + Dendrobrachiidae Brook, 1889 [ACCEPTED FAMILY 2298:84K5Q nidx=null]
Dendroceratida
 - Dendroceratida [ACCEPTED ORDER 2296:33T nidx=null]
 + Dendroceratida Minchin, 1900 [ACCEPTED ORDER 2298:84JPP nidx=null]
Dendrocora
 - Dendrocora [ACCEPTED GENUS 2296:42YW nidx=null]
 + Dendrocora Duncan, 1876 [ACCEPTED GENUS 2298:84NMV nidx=null]
Dendrogyra
 - Dendrogyra [ACCEPTED GENUS 2296:42ZX nidx=null]
 + Dendrogyra Ehrenberg, 1834 [ACCEPTED GENUS 2298:84MCQ nidx=null]
Dendronephthya
 - Dendronephthya [ACCEPTED GENUS 2296:62PJ3 nidx=null]
 + Dendronephthya Kükenthal, 1905 [ACCEPTED GENUS 2298:84NN2 nidx=null]
Dendronereides
 - Dendronereides [ACCEPTED GENUS 2296:433B nidx=null]
 + Dendronereides Southern, 1921 [ACCEPTED GENUS 2298:84NN3 nidx=null]
Dendronereis
 - Dendronereis [ACCEPTED GENUS 2296:433C nidx=null]
 + Dendronereis Peters, 1854 [ACCEPTED GENUS 2298:84NN4 nidx=null]
Dendrophyllia
 - Dendrophyllia [ACCEPTED GENUS 2296:62PHT nidx=null]
 + Dendrophyllia de Blainville, 1830 [ACCEPTED GENUS 2298:84MDK nidx=null]
Dendrophylliidae
 - Dendrophylliidae [ACCEPTED FAMILY 2296:93X nidx=null]
 + Dendrophylliidae Gray, 1847 [ACCEPTED FAMILY 2298:84JZC nidx=null]
Dendrosmilia
 - Dendrosmilia [ACCEPTED GENUS 2296:4353 nidx=null]
 + Dendrosmilia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84NN8 nidx=null]
Dendroxea
 - Dendroxea [ACCEPTED GENUS 2296:4367 nidx=null]
 + Dendroxea Griessinger, 1971 [ACCEPTED GENUS 2298:84MF6 nidx=null]
Dendya
 - Dendya [ACCEPTED GENUS 2296:436H nidx=null]
 + Dendya Bidder, 1898 [ACCEPTED GENUS 2298:84MFB nidx=null]
Dendyidae
 - Dendyidae [ACCEPTED FAMILY 2296:944 nidx=null]
 + Dendyidae Laubenfels, 1936 [ACCEPTED FAMILY 2298:84K5R nidx=null]
Denhartogia
 - Denhartogia [ACCEPTED GENUS 2296:436R nidx=null]
 + Denhartogia Ocaña & van Ofwegen, 2003 [ACCEPTED GENUS 2298:84NN9 nidx=null]
Dentatisyllis
 - Dentatisyllis [ACCEPTED GENUS 2296:62PJN nidx=null]
 + Dentatisyllis Perkins, 1981 [ACCEPTED GENUS 2298:84MFT nidx=null]
Dentibythere
 - Dentibythere [ACCEPTED GENUS 2296:438R nidx=null]
 + Dentibythere Schornikov, 1982 [ACCEPTED GENUS 2298:84NND nidx=null]
Dentibythere scabrocuneata
 - Dentibythere scabrocuneata Yassini, Jones & Jones, 1993 [SYNONYM SPECIES 2296:34TVN nidx=null parent=7CKRL]
 + Dentibythere scabrocuneata Yassini, Jones & Jones, 1993 [ACCEPTED SPECIES 2298:84XCJ nidx=null]
Dentokrithe
 - Dentokrithe [ACCEPTED GENUS 2296:62PKH nidx=null]
 + Dentokrithe Khosla & Haskins, 1980 [ACCEPTED GENUS 2298:84NNF nidx=null]
Dentomuricea
 - Dentomuricea [ACCEPTED GENUS 2296:62PKJ nidx=null]
 + Dentomuricea Grasshoff, 1977 [ACCEPTED GENUS 2298:84NNG nidx=null]
Depastromorpha
 - Depastromorpha [ACCEPTED GENUS 2296:43BC nidx=null]
 + Depastromorpha Carlgren, 1935 [ACCEPTED GENUS 2298:84MGJ nidx=null]
Depastrum
 - Depastrum [ACCEPTED GENUS 2296:43BD nidx=null]
 + Depastrum Gosse, 1858 [ACCEPTED GENUS 2298:84MGL nidx=null]
Dercitus
 - Dercitus [ACCEPTED GENUS 2296:43CX nidx=null]
 - Dercitus [ACCEPTED SUBGENUS 2296:43CY nidx=null]
 + Dercitus Gray, 1867 [ACCEPTED GENUS 2298:84MGN nidx=null]
Dermatreton
 - Dermatreton [ACCEPTED GENUS 2296:43FM nidx=null]
 + Dermatreton Jenkin, 1908 [ACCEPTED GENUS 2298:84MGP nidx=null]
Dero
 - Dero [ACCEPTED GENUS 2296:43GJ nidx=null]
 + Dero Oken, 1815 [ACCEPTED GENUS 2298:84MGR nidx=null]
Desdemona
 - Desdemona [ACCEPTED GENUS 2296:43KD nidx=null]
 + Desdemona Banse, 1957 [ACCEPTED GENUS 2298:84MH2 nidx=null]
Desmacella
 - Desmacella [ACCEPTED GENUS 2296:43LT nidx=null]
 + Desmacella Schmidt, 1870 [ACCEPTED GENUS 2298:84MH6 nidx=null]
Desmacella corrugata
 - Desmacella corrugata (Bowerbank, 1866) [SYNONYM SPECIES 2296:34ZRP nidx=null parent=44S3S]
 + Desmacella corrugata (Bowerbank, 1866) [SYNONYM SPECIES 2298:84XCN nidx=null parent=85SZZ]
Desmacella grimaldii
 - Desmacella grimaldii (Topsent, 1890) [ACCEPTED SPECIES 2296:34ZRW nidx=null]
 + Desmacella grimaldii (Topsent, 1890) [ACCEPTED SPECIES 2298:84XCP nidx=null]
Desmacella humilis
 - Desmacella humilis (Thiele, 1903) [SYNONYM SPECIES 2296:34ZS2 nidx=null parent=LSV9]
 + Desmacella humilis (Thiele, 1903) [SYNONYM SPECIES 2298:84XCQ nidx=null parent=85T35]
Desmacella lampra
 - Desmacella lampra de Laubenfels, 1954 [ACCEPTED SPECIES 2296:6CMGN nidx=null]
 + Desmacella lampra de Laubenfels, 1954 [SYNONYM SPECIES 2298:84XCR nidx=null parent=85T49]
Desmacellida
 - Desmacellida [ACCEPTED ORDER 2296:344 nidx=null]
 + Desmacellida Morrow & Cárdenas, 2015 [ACCEPTED ORDER 2298:84JVT nidx=null]
Desmacellidae
 - Desmacellidae [ACCEPTED FAMILY 2296:95B nidx=null]
 + Desmacellidae Ridley & Dendy, 1886 [ACCEPTED FAMILY 2298:84JZJ nidx=null]
Desmacididae
 - Desmacididae [ACCEPTED FAMILY 2296:95C nidx=null]
 + Desmacididae Schmidt, 1870 [ACCEPTED FAMILY 2298:84JZK nidx=null]
Desmacidon
 - Desmacidon [ACCEPTED GENUS 2296:62PMV nidx=null]
 + Desmacidon Bowerbank, 1861 [ACCEPTED GENUS 2298:84MH7 nidx=null]
Desmacidon frondosum
 - Desmacidon frondosum (Pallas, 1766) [SYNONYM SPECIES 2296:6CMHL nidx=null parent=3Q86P]
 + Desmacidon frondosum (Pallas, 1766) [SYNONYM SPECIES 2298:84XCT nidx=null parent=85SRF]
Desmacidon incognitus
 - Desmacidon incognitus Bowerbank, 1874 [SYNONYM SPECIES 2296:6CMJ2 nidx=null parent=7DGXC]
 + Desmacidon incognitus Bowerbank, 1874 [SYNONYM SPECIES 2298:84XCV nidx=null parent=84Z4R]
Desmacidon pannosus
 - Desmacidon pannosus Bowerbank, 1874 [SYNONYM SPECIES 2296:34ZV2 nidx=null parent=7DGXC]
 + Desmacidon pannosus Bowerbank, 1874 [SYNONYM SPECIES 2298:84XCW nidx=null parent=84Z4R]
Desmacidon tunicatum
 - Desmacidon tunicatum Schmidt, 1870 [SYNONYM SPECIES 2296:34ZVS nidx=null parent=5ZJ7W]
 + Desmacidon tunicatum Schmidt, 1870 [SYNONYM SPECIES 2298:84XCX nidx=null parent=5ZJ7W]
Desmanthidae
 - Desmanthidae [ACCEPTED FAMILY 2296:95D nidx=null]
 + Desmanthidae Topsent, 1893 [ACCEPTED FAMILY 2298:84JZL nidx=null]
Desmapsamma
 - Desmapsamma [ACCEPTED GENUS 2296:43M4 nidx=null]
 + Desmapsamma Burton, 1934 [ACCEPTED GENUS 2298:84MH9 nidx=null]
Desmascula
 - Desmascula [ACCEPTED GENUS 2296:43M7 nidx=null]
 + Desmascula de Laubenfels, 1950 [ACCEPTED GENUS 2298:84MHB nidx=null]
Desmonema
 - Desmonema [ACCEPTED GENUS 2296:62PM9 nidx=null]
 + Desmonema L. Agassiz, 1862 [ACCEPTED GENUS 2298:84M5T nidx=null]
Desmonema chierchianum
 - Desmonema chierchianum Vanhöffen, 1888 [ACCEPTED SPECIES 2296:353TB nidx=null]
 + Desmonema chierchianum Vanhöffen, 1888 [SYNONYM SPECIES 2298:84MB9 nidx=null parent=6CNX9]
Desmophyllum
 - Desmophyllum [ACCEPTED GENUS 2296:43PM nidx=null]
 + Desmophyllum Ehrenberg, 1834 [ACCEPTED GENUS 2298:84MHH nidx=null]
Desmoxya
 - Desmoxya [ACCEPTED GENUS 2296:43QF nidx=null]
 + Desmoxya Hallmann, 1917 [ACCEPTED GENUS 2298:84NNS nidx=null]
Dexiospira corrugata
 - Dexiospira corrugata (Montagu, 1803) [SYNONYM SPECIES 2296:3567Q nidx=null parent=4Z8FF]
 + Dexiospira corrugata (Montagu, 1803) [SYNONYM SPECIES 2298:84WD7 nidx=null parent=4Z8GK]
Diacarnus
 - Diacarnus [ACCEPTED GENUS 2296:43ZC nidx=null]
 + Diacarnus Burton, 1934 [ACCEPTED GENUS 2298:84MHS nidx=null]
Dialychone
 - Dialychone [ACCEPTED GENUS 2296:445Z nidx=null]
 + Dialychone Claparède, 1868 [ACCEPTED GENUS 2298:84MJ2 nidx=null]
Dianthus rupicolus
 - Dianthus rupicolus Schur [AMBIGUOUS_SYNONYM SPECIES 2296:35B2C nidx=null parent=5GVCT]
 - Dianthus rupicolus Jord. ex Nyman [AMBIGUOUS_SYNONYM SPECIES 2296:6D3JB nidx=null parent=7JQY6]
 + Dianthus rupicolus Schur [AMBIGUOUS_SYNONYM SPECIES 2298:84NHR nidx=null parent=5GVCT]
 + Dianthus rupicolus Jord. ex Nyman [AMBIGUOUS_SYNONYM SPECIES 2298:84NHS nidx=null parent=7JQY6]
Diaphorosoma
 - Diaphorosoma [ACCEPTED GENUS 2296:449Y nidx=null]
 + Diaphorosoma Wolf, 1986 [ACCEPTED GENUS 2298:84NP9 nidx=null]
Diapleuridae
 - Diapleuridae [ACCEPTED FAMILY 2296:96P nidx=null]
 + Diapleuridae Ijima, 1927 [ACCEPTED FAMILY 2298:84JZQ nidx=null]
Diaretula
 - Diaretula [ACCEPTED GENUS 2296:44B5 nidx=null]
 + Diaretula Schmidt, 1879 [ACCEPTED GENUS 2298:84MJ7 nidx=null]
Diasterope
 - Diasterope [ACCEPTED GENUS 2296:44D2 nidx=null]
 + Diasterope Kornicker, 1975 [ACCEPTED GENUS 2298:84MJ9 nidx=null]
Dichocoenia
 - Dichocoenia [ACCEPTED GENUS 2296:44M6 nidx=null]
 + Dichocoenia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84MJC nidx=null]
Dichogaster
 - Dichogaster [ACCEPTED GENUS 2296:44MG nidx=null]
 + Dichogaster Beddard, 1888 [ACCEPTED GENUS 2298:84MJD nidx=null]
Dicholaphis
 - Dicholaphis [ACCEPTED GENUS 2296:44MJ nidx=null]
 + Dicholaphis Kinoshita, 1907 [ACCEPTED GENUS 2298:84NPJ nidx=null]
Dichonemertes
 - Dichonemertes [ACCEPTED GENUS 2296:44MR nidx=null]
 + Dichonemertes Coe, 1938 [ACCEPTED GENUS 2298:84MJG nidx=null]
Dichopsammia
 - Dichopsammia [ACCEPTED GENUS 2296:44MZ nidx=null]
 + Dichopsammia Song, 1994 [ACCEPTED GENUS 2298:84MJH nidx=null]
Dichotella
 - Dichotella [ACCEPTED GENUS 2296:44NK nidx=null]
 + Dichotella Gray, 1870 [ACCEPTED GENUS 2298:84NPN nidx=null]
Dictyaulus
 - Dictyaulus [ACCEPTED GENUS 2296:44XG nidx=null]
 + Dictyaulus Schulze, 1896 [ACCEPTED GENUS 2298:84MJW nidx=null]
Dictyocalyx
 - Dictyocalyx [ACCEPTED GENUS 2296:44XW nidx=null]
 + Dictyocalyx Schulze, 1886 [ACCEPTED GENUS 2298:84MJZ nidx=null]
Dictyoceratida
 - Dictyoceratida [ACCEPTED ORDER 2296:34M nidx=null]
 + Dictyoceratida Minchin, 1900 [ACCEPTED ORDER 2298:84JPQ nidx=null]
Dictyociona atoxa
 - Dictyociona atoxa Bergquist & Fromont, 1988 [SYNONYM SPECIES 2296:6D5CY nidx=null parent=VS3Z]
 + Dictyociona atoxa Bergquist & Fromont, 1988 [SYNONYM SPECIES 2298:84XDP nidx=null parent=85SRC]
Dictyodendrilla
 - Dictyodendrilla [ACCEPTED GENUS 2296:633B6 nidx=null]
 + Dictyodendrilla Bergquist, 1980 [ACCEPTED GENUS 2298:84MK2 nidx=null]
Dictyodendrillidae
 - Dictyodendrillidae [ACCEPTED FAMILY 2296:98H nidx=null]
 + Dictyodendrillidae Bergquist, 1980 [ACCEPTED FAMILY 2298:84JZR nidx=null]
Dictyonellidae
 - Dictyonellidae [ACCEPTED FAMILY 2296:98K nidx=null]
 + Dictyonellidae van Soest, Diaz & Pomponi, 1990 [ACCEPTED FAMILY 2298:84JZS nidx=null]
Dictyoplax
 - Dictyoplax [ACCEPTED GENUS 2296:452G nidx=null]
 + Dictyoplax Reiswig & Dohrmann, 2014 [ACCEPTED GENUS 2298:84NPZ nidx=null]
Dicyema
 - Dicyema [ACCEPTED GENUS 2296:454F nidx=null]
 + Dicyema von Kölliker, 1849 [ACCEPTED GENUS 2298:84MK6 nidx=null]
Dicyemennea
 - Dicyemennea [ACCEPTED GENUS 2296:454G nidx=null]
 + Dicyemennea Whitman, 1883 [ACCEPTED GENUS 2298:84MK7 nidx=null]
Dicyemidae
 - Dicyemidae [ACCEPTED FAMILY 2296:6248Z nidx=null]
 + Dicyemidae van Beneden, 1882 [ACCEPTED FAMILY 2298:84JZT nidx=null]
Dicyemodeca
 - Dicyemodeca [ACCEPTED GENUS 2296:454H nidx=null]
 + Dicyemodeca (Wheeler, 1897) Bogolepova, 1957 [ACCEPTED GENUS 2298:84MK8 nidx=null]
Didiscus
 - Didiscus [ACCEPTED GENUS 2296:456G nidx=null]
 + Didiscus Dendy, 1922 [ACCEPTED GENUS 2298:84MKC nidx=null]
Didontogaster
 - Didontogaster [ACCEPTED GENUS 2296:456P nidx=null]
 + Didontogaster Thompson, 1979 [ACCEPTED GENUS 2298:84NQC nidx=null]
Didymocarpus macrophylla
 - Didymocarpus macrophylla Hook. fil. & Thomson ex C. B. Clarke [AMBIGUOUS_SYNONYM SPECIES 2296:35YCQ nidx=null parent=6D6PN]
 + Didymocarpus macrophylla Hook. fil. & Thomson ex C. B. Clarke [AMBIGUOUS_SYNONYM SPECIES 2298:84WFB nidx=null parent=6D6PN]
Diechoraea
 - Diechoraea [ACCEPTED GENUS 2296:633BN nidx=null]
 + Diechoraea Tenison-Woods, 1879 [ACCEPTED GENUS 2298:84NQQ nidx=null]
Digononemertes
 - Digononemertes [ACCEPTED GENUS 2296:632RR nidx=null]
 + Digononemertes Gibson, 1990 [ACCEPTED GENUS 2298:84NRC nidx=null]
Dilepidonotus
 - Dilepidonotus [ACCEPTED GENUS 2296:45GH nidx=null]
 + Dilepidonotus Hartman, 1967 [ACCEPTED GENUS 2298:84MKL nidx=null]
Dimorphognathia
 - Dimorphognathia [ACCEPTED GENUS 2296:45MN nidx=null]
 + Dimorphognathia Sieg, 1986 [ACCEPTED GENUS 2298:84MKM nidx=null]
Dimorphophyton
 - Dimorphophyton [ACCEPTED GENUS 2296:45MT nidx=null]
 + Dimorphophyton Williams, 2000 [ACCEPTED GENUS 2298:84NRT nidx=null]
Dinonemertes
 - Dinonemertes [ACCEPTED GENUS 2296:45T2 nidx=null]
 + Dinonemertes Laidlaw, 1906 [ACCEPTED GENUS 2298:84NRZ nidx=null]
Dinonemertes mollis
 - Dinonemertes mollis [AMBIGUOUS_SYNONYM SPECIES 2296:3695N nidx=null parent=BRBW]
 + Dinonemertes mollis Coe, 1926 [AMBIGUOUS_SYNONYM SPECIES 2298:84XFN nidx=null parent=BRBW]
Dinonemertidae
 - Dinonemertidae [ACCEPTED FAMILY 2296:6248M nidx=null]
 + Dinonemertidae Brinkmann, 1917 [ACCEPTED FAMILY 2298:84K5T nidx=null]
Dinophilidae
 - Dinophilidae [ACCEPTED FAMILY 2296:6248N nidx=null]
 + Dinophilidae Macalister, 1876 [ACCEPTED FAMILY 2298:84JZV nidx=null]
Dinophilus
 - Dinophilus [ACCEPTED GENUS 2296:6333X nidx=null]
 + Dinophilus Schmidt, 1848 [ACCEPTED GENUS 2298:84MKS nidx=null]
Dinophilus gyrociliatus
 - Dinophilus gyrociliatus O. Schmidt, 1857 [ACCEPTED SPECIES 2296:36972 nidx=null]
 + Dinophilus gyrociliatus O. Schmidt, 1857 [SYNONYM SPECIES 2298:84WFG nidx=null parent=85DQF]
Diodogorgia
 - Diodogorgia [ACCEPTED GENUS 2296:45VP nidx=null]
 + Diodogorgia Kükenthal, 1919 [ACCEPTED GENUS 2298:84MKV nidx=null]
Diopatra
 - Diopatra [ACCEPTED GENUS 2296:45XW nidx=null]
 + Diopatra Audouin & Milne Edwards, 1833 [ACCEPTED GENUS 2298:84MKX nidx=null]
Diopatrichnus
 - Diopatrichnus [ACCEPTED GENUS 2296:45XX nidx=null]
 + Diopatrichnus Kern, 1978 [ACCEPTED GENUS 2298:84NS7 nidx=null]
Dioplosyllis
 - Dioplosyllis [ACCEPTED GENUS 2296:6333L nidx=null]
 + Dioplosyllis Gidholm, 1962 [ACCEPTED GENUS 2298:84MKY nidx=null]
Diopsonemertes
 - Diopsonemertes [ACCEPTED GENUS 2296:45YK nidx=null]
 + Diopsonemertes Kajihara, Gibson & Mawatari, 2001 [ACCEPTED GENUS 2298:84NS9 nidx=null]
Diplaconotum
 - Diplaconotum [ACCEPTED GENUS 2296:464Z nidx=null]
 + Diplaconotum Loshamn, 1981 [ACCEPTED GENUS 2298:84NSD nidx=null]
Diplastrella
 - Diplastrella [ACCEPTED GENUS 2296:465G nidx=null]
 + Diplastrella Topsent, 1918 [ACCEPTED GENUS 2298:84ML2 nidx=null]
Diploastrea
 - Diploastrea [ACCEPTED GENUS 2296:466G nidx=null]
 + Diploastrea Matthai, 1914 [ACCEPTED GENUS 2298:84ML3 nidx=null]
Diplobrachia
 - Diplobrachia [ACCEPTED GENUS 2296:466N nidx=null]
 + Diplobrachia Ivanov, 1960 [ACCEPTED GENUS 2298:84ML4 nidx=null]
Diplochaetetes
 - Diplochaetetes [ACCEPTED GENUS 2296:62R53 nidx=null]
 + Diplochaetetes Weissermel, 1913 [ACCEPTED GENUS 2298:84NSF nidx=null]
Diplocirrus
 - Diplocirrus [ACCEPTED GENUS 2296:467P nidx=null]
 + Diplocirrus Haase, 1915 [ACCEPTED GENUS 2298:84ML6 nidx=null]
Diplocirrus hirsutus
 - Diplocirrus hirsutus (Hansen, 1878) [ACCEPTED SPECIES 2296:36JVP nidx=null]
 + Diplocirrus hirsutus (Hansen, 1878) [SYNONYM SPECIES 2298:84WFK nidx=null parent=85FCV]
Diplocirrus longisetosus
 - Diplocirrus longisetosus (Marenzeller, 1890) [ACCEPTED SPECIES 2296:36JVT nidx=null]
 + Diplocirrus longisetosus (Marenzeller, 1890) [SYNONYM SPECIES 2298:84WFL nidx=null parent=85FCX]
Diplocoenia
 - Diplocoenia [ACCEPTED GENUS 2296:467Z nidx=null]
 + Diplocoenia Fromentel, 1857 [ACCEPTED GENUS 2298:84NSG nidx=null]
 + Diplocoenia Duncan, 1868 [PROVISIONALLY_ACCEPTED GENUS 2298:84NSH nidx=null]
Diplomma
 - Diplomma [ACCEPTED GENUS 2296:6334V nidx=null]
 + Diplomma Stimpson, 1857 [ACCEPTED GENUS 2298:84NSK nidx=null]
Diplopleura
 - Diplopleura [ACCEPTED GENUS 2296:46CB nidx=null]
 + Diplopleura Stimpson, 1857 [ACCEPTED GENUS 2298:84MLB nidx=null]
Diplopleura caraïbica
 - Diplopleura caraïbica [SYNONYM SPECIES 2296:36MNZ nidx=null parent=36MP3]
 + Diplopleura caraïbica Stiasny-Wijnhoff, 1925 [SYNONYM SPECIES 2298:84XG8 nidx=null parent=36MP3]
Diplopleura curaçaoensis
 - Diplopleura curaçaoensis [SYNONYM SPECIES 2296:36MP2 nidx=null parent=36MP3]
 + Diplopleura curaçaoensis Stiasny-Wijnhoff, 1925 [SYNONYM SPECIES 2298:84XG9 nidx=null parent=36MP3]
Diplopodospongia
 - Diplopodospongia [ACCEPTED GENUS 2296:46CF nidx=null]
 + Diplopodospongia Sim-Smith & Kelly, 2011 [ACCEPTED GENUS 2298:84NSM nidx=null]
Diploria
 - Diploria [ACCEPTED GENUS 2296:46D7 nidx=null]
 + Diploria Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84MLC nidx=null]
Diplulmaris
 - Diplulmaris [ACCEPTED GENUS 2296:46FN nidx=null]
 + Diplulmaris Maas, 1908 [ACCEPTED GENUS 2298:84M5W nidx=null]
Dipolydora
 - Dipolydora [ACCEPTED GENUS 2296:46GD nidx=null]
 + Dipolydora Verrill, 1881 [ACCEPTED GENUS 2298:84NSP nidx=null]
Dipsastraea
 - Dipsastraea [ACCEPTED GENUS 2296:46HB nidx=null]
 + Dipsastraea Blainville, 1830 [ACCEPTED GENUS 2298:84NSR nidx=null]
Discapseudes
 - Discapseudes [ACCEPTED GENUS 2296:46M8 nidx=null]
 + Discapseudes Bacescu & Gutu, 1975 [ACCEPTED GENUS 2298:84MLK nidx=null]
Discoconchoecia
 - Discoconchoecia [ACCEPTED GENUS 2296:46PF nidx=null]
 + Discoconchoecia Martens, 1979 [ACCEPTED GENUS 2298:84MLM nidx=null]
Discodermia
 - Discodermia [ACCEPTED GENUS 2296:46PR nidx=null]
 + Discodermia du Bocage, 1869 [ACCEPTED GENUS 2298:84MLP nidx=null]
Discogorgia
 - Discogorgia [ACCEPTED GENUS 2296:46QD nidx=null]
 + Discogorgia Kükenthal, 1919 [ACCEPTED GENUS 2298:84NSV nidx=null]
Discomedusa
 - Discomedusa [ACCEPTED GENUS 2296:46R3 nidx=null]
 + Discomedusa Claus, 1877 [ACCEPTED GENUS 2298:84M5X nidx=null]
Disconatis
 - Disconatis [ACCEPTED GENUS 2296:46RG nidx=null]
 + Disconatis Hanley & Burke, 1988 [ACCEPTED GENUS 2298:84NSW nidx=null]
Discophyton
 - Discophyton [ACCEPTED GENUS 2296:46RX nidx=null]
 + Discophyton McFadden & Hochberg, 2003 [ACCEPTED GENUS 2298:84NSX nidx=null]
Discorhabdella
 - Discorhabdella [ACCEPTED GENUS 2296:46SV nidx=null]
 + Discorhabdella Dendy, 1924 [ACCEPTED GENUS 2298:84MLQ nidx=null]
Discorhabdella tuberosocapitatum
 - Discorhabdella tuberosocapitatum [SYNONYM SPECIES 2296:6CZSX nidx=null parent=6CZT9]
 + Discorhabdella tuberosocapitatum (Topsent, 1890) [SYNONYM SPECIES 2298:84XHM nidx=null parent=6CZT9]
Dispio
 - Dispio [ACCEPTED GENUS 2296:62QTC nidx=null]
 + Dispio Hartman, 1951 [ACCEPTED GENUS 2298:84MLS nidx=null]
Disteira nigrocinctus
 - Disteira nigrocinctus Rasmussen, 1997 [SYNONYM SPECIES 2296:6DB2C nidx=null parent=6MJT6]
 + Disteira nigrocinctus Rasmussen, 1997 [SYNONYM SPECIES 2298:84XHP nidx=null parent=6MJT6]
Distichogorgia
 - Distichogorgia [ACCEPTED GENUS 2296:46ZK nidx=null]
 + Distichogorgia Bayer, 1979 [ACCEPTED GENUS 2298:84NT6 nidx=null]
Distichoptilum
 - Distichoptilum [ACCEPTED GENUS 2296:46ZV nidx=null]
 + Distichoptilum Verrill, 1882 [ACCEPTED GENUS 2298:84MLX nidx=null]
Disyringa
 - Disyringa [ACCEPTED GENUS 2296:473W nidx=null]
 + Disyringa Sollas, 1888 [ACCEPTED GENUS 2298:84MLZ nidx=null]
Ditrupa
 - Ditrupa [ACCEPTED GENUS 2296:475P nidx=null]
 - Ditrupa [ACCEPTED SUBGENUS 2296:475Q nidx=null]
 + Ditrupa Berkeley, 1835 [ACCEPTED GENUS 2298:84MM2 nidx=null]
Ditrupula
 - Ditrupula [ACCEPTED GENUS 2296:475R nidx=null]
 + Ditrupula Radwanska, 2004 [ACCEPTED GENUS 2298:84NT9 nidx=null]
Divanella
 - Divanella [ACCEPTED GENUS 2296:476T nidx=null]
 + Divanella Gibson, 1974 [ACCEPTED GENUS 2298:84NTB nidx=null]
Doconesthes
 - Doconesthes [ACCEPTED GENUS 2296:632V4 nidx=null]
 + Doconesthes Topsent, 1928 [ACCEPTED GENUS 2298:84MM5 nidx=null]
Docosaccus
 - Docosaccus [ACCEPTED GENUS 2296:62R6T nidx=null]
 + Docosaccus Topsent, 1910 [ACCEPTED GENUS 2298:84MM6 nidx=null]
Dodecaceria
 - Dodecaceria [ACCEPTED GENUS 2296:47BC nidx=null]
 + Dodecaceria Örsted, 1843 [ACCEPTED GENUS 2298:84MM9 nidx=null]
Dodecaceria joubini
 - Dodecaceria joubini [ACCEPTED SPECIES 2296:373G3 nidx=null]
 + Dodecaceria joubini Gravier, 1905 [ACCEPTED SPECIES 2298:84XHQ nidx=null]
Dodecadicyema
 - Dodecadicyema [ACCEPTED GENUS 2296:632V6 nidx=null]
 + Dodecadicyema Kalavati & Narasimhamurti, 1979 [ACCEPTED GENUS 2298:84MMB nidx=null]
Dodecamastus
 - Dodecamastus [ACCEPTED GENUS 2296:47BJ nidx=null]
 + Dodecamastus Blake, 2000 [ACCEPTED GENUS 2298:84NTF nidx=null]
Dodecolopoda
 - Dodecolopoda [ACCEPTED GENUS 2296:63376 nidx=null]
 + Dodecolopoda Calman & Gordon, 1933 [ACCEPTED GENUS 2298:84MMC nidx=null]
Dodonaea viscosa var. spatulata
 - Dodonaea viscosa var. spatulata (Sm. ex Rees) Benth. [SYNONYM VARIETY 2296:5NLTQ nidx=null parent=5GXSV]
 + Dodonaea viscosa var. spatulata (Sm. ex Rees) Benth. [SYNONYM VARIETY 2298:84ZKG nidx=null parent=5GXSV]
Dokonemertes
 - Dokonemertes [ACCEPTED GENUS 2296:47DR nidx=null]
 + Dokonemertes Gibson, 1985 [ACCEPTED GENUS 2298:84NTH nidx=null]
Dolasterope
 - Dolasterope [ACCEPTED GENUS 2296:62QV8 nidx=null]
 + Dolasterope Poulsen, 1965 [ACCEPTED GENUS 2298:84NTJ nidx=null]
Dolerocypria
 - Dolerocypria [ACCEPTED GENUS 2296:6336Y nidx=null]
 + Dolerocypria Tressler, 1937 [ACCEPTED GENUS 2298:84MMF nidx=null]
Dolichacantha
 - Dolichacantha [ACCEPTED GENUS 2296:6336H nidx=null]
 + Dolichacantha Hentschel, 1914 [ACCEPTED GENUS 2298:84MMG nidx=null]
Dolichocythere
 - Dolichocythere [ACCEPTED GENUS 2296:47G8 nidx=null]
 + Dolichocythere Hao (Yi-Chun) & Ruan in Ruan & Hao (Yi-Chun) , 1988 [ACCEPTED GENUS 2298:84NTK nidx=null]
Doliodrilus
 - Doliodrilus [ACCEPTED GENUS 2296:47LB nidx=null]
 + Doliodrilus Erséus, 1984 [ACCEPTED GENUS 2298:84NTN nidx=null]
Doloria
 - Doloria [ACCEPTED GENUS 2296:47ND nidx=null]
 - Doloria [ACCEPTED SUBGENUS 2296:62QVS nidx=null]
 + Doloria Skogsberg, 1920 [ACCEPTED GENUS 2298:84NTQ nidx=null]
Domromeus
 - Domromeus [ACCEPTED GENUS 2296:47PZ nidx=null]
 + Domromeus Kornicker, 1989 [ACCEPTED GENUS 2298:84NTR nidx=null]
Dopseucythere
 - Dopseucythere [ACCEPTED GENUS 2296:47SG nidx=null]
 + Dopseucythere Malz & Jellinek, 1994 [ACCEPTED GENUS 2298:84NTT nidx=null]
Doratocythere
 - Doratocythere [ACCEPTED GENUS 2296:47SX nidx=null]
 + Doratocythere McKenzie, 1967 [ACCEPTED GENUS 2298:84NTV nidx=null]
Doricythereis
 - Doricythereis [ACCEPTED GENUS 2296:62R7X nidx=null]
 + Doricythereis Gruendel, 1976 [ACCEPTED GENUS 2298:84NTW nidx=null]
Dorvillea
 - Dorvillea [ACCEPTED GENUS 2296:47WP nidx=null]
 + Dorvillea Parfitt, 1866 [ACCEPTED GENUS 2298:84MML nidx=null]
Dorvilleidae
 - Dorvilleidae [ACCEPTED FAMILY 2296:9FG nidx=null]
 + Dorvilleidae Chamberlin, 1919 [ACCEPTED FAMILY 2298:84K22 nidx=null]
Dorydrilidae
 - Dorydrilidae [ACCEPTED FAMILY 2296:9FJ nidx=null]
 + Dorydrilidae Cook, 1971 [ACCEPTED FAMILY 2298:84K23 nidx=null]
Dorydrilus
 - Dorydrilus [ACCEPTED GENUS 2296:47XD nidx=null]
 + Dorydrilus Piguet, 1913 [ACCEPTED GENUS 2298:84MMM nidx=null]
Dosilia
 - Dosilia [ACCEPTED GENUS 2296:47ZB nidx=null]
 + Dosilia Gray, 1867 [ACCEPTED GENUS 2298:84MMN nidx=null]
Dotona
 - Dotona [ACCEPTED GENUS 2296:482D nidx=null]
 + Dotona Carter, 1880 [ACCEPTED GENUS 2298:84MMP nidx=null]
Dragmacidon
 - Dragmacidon [ACCEPTED GENUS 2296:485J nidx=null]
 + Dragmacidon Hallmann, 1917 [ACCEPTED GENUS 2298:84MMR nidx=null]
Dragmatella
 - Dragmatella [ACCEPTED GENUS 2296:485K nidx=null]
 + Dragmatella Hallmann, 1917 [ACCEPTED GENUS 2298:84MMS nidx=null]
Dragmaxia
 - Dragmaxia [ACCEPTED GENUS 2296:485M nidx=null]
 + Dragmaxia Hallmann, 1916 [ACCEPTED GENUS 2298:84MMT nidx=null]
Drawida
 - Drawida [ACCEPTED GENUS 2296:4872 nidx=null]
 + Drawida Michaelsen, 1900 [ACCEPTED GENUS 2298:84MMV nidx=null]
Drepanobanda
 - Drepanobanda [ACCEPTED GENUS 2296:4882 nidx=null]
 + Drepanobanda Stiasny-Wijnhoff, 1936 [ACCEPTED GENUS 2298:84NV4 nidx=null]
Drepanobandidae
 - Drepanobandidae [ACCEPTED FAMILY 2296:9G9 nidx=null]
 + Drepanobandidae Stiasny-Wijnhoff [ACCEPTED FAMILY 2298:84K5X nidx=null]
Drepanogigantidae
 - Drepanogigantidae [ACCEPTED FAMILY 2296:9GB nidx=null]
 + Drepanogigantidae Stiasny-Wijnhoff [ACCEPTED FAMILY 2298:84K5Y nidx=null]
Drepanogigas
 - Drepanogigas [ACCEPTED GENUS 2296:62QVL nidx=null]
 + Drepanogigas Stiasny-Wijnhoff, 1926 [ACCEPTED GENUS 2298:84NV6 nidx=null]
Drepanophorella
 - Drepanophorella [ACCEPTED GENUS 2296:489D nidx=null]
 + Drepanophorella Stiasny-Wijnhoff, 1936 [ACCEPTED GENUS 2298:84NV7 nidx=null]
Drepanophorellidae
 - Drepanophorellidae [ACCEPTED FAMILY 2296:623Z7 nidx=null]
 + Drepanophorellidae Stiasny-Wijnhoff [ACCEPTED FAMILY 2298:84K5Z nidx=null]
Drepanophoriella
 - Drepanophoriella [ACCEPTED GENUS 2296:632VL nidx=null]
 + Drepanophoriella Senz, 1993 [ACCEPTED GENUS 2298:84NV8 nidx=null]
Drepanophorina
 - Drepanophorina [ACCEPTED GENUS 2296:489F nidx=null]
 + Drepanophorina Stiasny- Wijnhoff, 1936 [ACCEPTED GENUS 2298:84NV9 nidx=null]
Drepanophorus
 - Drepanophorus [ACCEPTED GENUS 2296:489G nidx=null]
 + Drepanophorus Hubrecht, 1874 [ACCEPTED GENUS 2298:84MMX nidx=null]
Drepanophorus albolineatus
 - Drepanophorus albolineatus [SYNONYM SPECIES 2296:37MWH nidx=null parent=37MMM]
 + Drepanophorus albolineatus Bürger, 1895 [SYNONYM SPECIES 2298:84XHX nidx=null parent=37MMM]
Drepanophorus latus
 - Drepanophorus latus [SYNONYM SPECIES 2296:37MWR nidx=null parent=37MWD]
 + Drepanophorus latus Bürger, 1890 [SYNONYM SPECIES 2298:84XHY nidx=null parent=37MWD]
Drepanophorus nisidensis
 - Drepanophorus nisidensis [SYNONYM SPECIES 2296:37MWV nidx=null parent=75P64]
 + Drepanophorus nisidensis Hubrecht, 1875 [SYNONYM SPECIES 2298:84XHZ nidx=null parent=75P64]
Drepanophorus spectabilis
 - Drepanophorus spectabilis [ACCEPTED SPECIES 2296:37MX4 nidx=null]
 + Drepanophorus spectabilis (Quatrefages, 1846) [SYNONYM SPECIES 2298:84WG9 nidx=null parent=6KFKQ]
Drieschella
 - Drieschella [ACCEPTED GENUS 2296:48B8 nidx=null]
 + Drieschella Augener & Pettibone, 1970 [ACCEPTED GENUS 2298:84MMY nidx=null]
Drieschiopsis
 - Drieschiopsis [ACCEPTED GENUS 2296:632WT nidx=null]
 + Drieschiopsis Støp-Bowitz, 1991 [ACCEPTED GENUS 2298:84NVB nidx=null]
Drifa
 - Drifa [ACCEPTED GENUS 2296:48BC nidx=null]
 + Drifa Danielssen, 1887 [ACCEPTED GENUS 2298:84MMZ nidx=null]
Drilocrius
 - Drilocrius [ACCEPTED GENUS 2296:48BJ nidx=null]
 + Drilocrius Michaelsen, 1917 [ACCEPTED GENUS 2298:84MN2 nidx=null]
Drilognathus
 - Drilognathus [ACCEPTED GENUS 2296:48BK nidx=null]
 + Drilognathus Day, 1960 [ACCEPTED GENUS 2298:84MN3 nidx=null]
Drilonereis
 - Drilonereis [ACCEPTED GENUS 2296:48BM nidx=null]
 + Drilonereis Claparède, 1870 [ACCEPTED GENUS 2298:84MN5 nidx=null]
Dromedopycnon
 - Dromedopycnon [ACCEPTED GENUS 2296:48CT nidx=null]
 + Dromedopycnon Child, 1982 [ACCEPTED GENUS 2298:84MN6 nidx=null]
Drulia
 - Drulia [ACCEPTED GENUS 2296:62R8X nidx=null]
 + Drulia Gray, 1867 [ACCEPTED GENUS 2298:84MN8 nidx=null]
Drymonema
 - Drymonema [ACCEPTED GENUS 2296:48GS nidx=null]
 + Drymonema Haeckel, 1880 [ACCEPTED GENUS 2298:84M5Y nidx=null]
Drymonematidae
 - Drymonematidae [ACCEPTED FAMILY 2296:9GW nidx=null]
 + Drymonematidae Haeckel, 1880 [ACCEPTED FAMILY 2298:84K62 nidx=null]
Dryopteris maximum
 - Dryopteris maximum (Haines) Raizada & N. P. Chowdhury [SYNONYM SPECIES 2296:6DNQ9 nidx=null parent=5YH23]
 + Dryopteris maximum (Haines) Raizada & N. P. Chowdhury [SYNONYM SPECIES 2298:84XKZ nidx=null parent=5YH23]
Dryopteris ×  slossoniae
 - Dryopteris ×  slossoniae (Davenp.) Wherry [SYNONYM SPECIES 2296:37Y6X nidx=null parent=37Y6Y]
 + Dryopteris ×  slossoniae (Davenp.) Wherry [SYNONYM SPECIES 2298:84JTH nidx=null parent=37Y6Y]
Dryptoscolex
 - Dryptoscolex [ACCEPTED GENUS 2296:62R8D nidx=null]
 + Dryptoscolex Thompson, 1979 [ACCEPTED GENUS 2298:84NVF nidx=null]
Dualgenys
 - Dualgenys [ACCEPTED GENUS 2296:48KK nidx=null]
 + Dualgenys Courtinat, 1998 [ACCEPTED GENUS 2298:84NVG nidx=null]
Duncanopsammia
 - Duncanopsammia [ACCEPTED GENUS 2296:48QQ nidx=null]
 + Duncanopsammia Wells, 1936 [ACCEPTED GENUS 2298:84MNF nidx=null]
Dunocyathus
 - Dunocyathus [ACCEPTED GENUS 2296:48RG nidx=null]
 + Dunocyathus Tenison-Woods, 1878 [ACCEPTED GENUS 2298:84MNG nidx=null]
Duosclera
 - Duosclera [ACCEPTED GENUS 2296:48RZ nidx=null]
 + Duosclera Reiswig & Ricciardi, 1993 [ACCEPTED GENUS 2298:84MNJ nidx=null]
Duosnemertes
 - Duosnemertes [ACCEPTED GENUS 2296:48S2 nidx=null]
 + Duosnemertes Friedrich, 1955 [ACCEPTED GENUS 2298:84NVL nidx=null]
Duosnemertes marmorata
 - Duosnemertes marmorata (Bürger, 1895) [ACCEPTED SPECIES 2296:3832N nidx=null]
 + Duosnemertes marmorata sensu (Bürger, 1895) [ACCEPTED SPECIES 2298:84XL4 nidx=null]
Duridrilus
 - Duridrilus [ACCEPTED GENUS 2296:62R8N nidx=null]
 + Duridrilus Erséus, 1983 [ACCEPTED GENUS 2298:84MNK nidx=null]
Dushia
 - Dushia [ACCEPTED GENUS 2296:632Y5 nidx=null]
 + Dushia Corrêa, 1963 [ACCEPTED GENUS 2298:84NVN nidx=null]
Dushia atra
 - Dushia atra (Girard, 1851) [ACCEPTED SPECIES 2296:3844H nidx=null]
 + Dushia atra (Girard, 1851) [SYNONYM SPECIES 2298:84XL5 nidx=null parent=85TGT]
Dutoitella
 - Dutoitella [ACCEPTED GENUS 2296:48VV nidx=null]
 + Dutoitella Dingle, 1981 [ACCEPTED GENUS 2298:84NVP nidx=null]
Duva
 - Duva [ACCEPTED GENUS 2296:48VZ nidx=null]
 + Duva Koren & Danielssen, 1883 [ACCEPTED GENUS 2298:84MNL nidx=null]
Dysidea
 - Dysidea [ACCEPTED GENUS 2296:4959 nidx=null]
 + Dysidea Johnston, 1842 [ACCEPTED GENUS 2298:84MNN nidx=null]
Dysidea tubulata
 - Dysidea tubulata (Lehnert & van Soest, 1998) [PROVISIONALLY_ACCEPTED SPECIES 2296:389FJ nidx=null]
 + Dysidea tubulata (Lehnert & van Soest, 1998) [AMBIGUOUS_SYNONYM SPECIES 2298:84XLD nidx=null parent=85SSP]
Dysideidae
 - Dysideidae [ACCEPTED FAMILY 2296:623YZ nidx=null]
 + Dysideidae Gray, 1867 [ACCEPTED FAMILY 2298:84K27 nidx=null]
Dysponetus
 - Dysponetus [ACCEPTED GENUS 2296:497C nidx=null]
 + Dysponetus Levinsen, 1879 [ACCEPTED GENUS 2298:84MNP nidx=null]
Ecamphicteis
 - Ecamphicteis [ACCEPTED GENUS 2296:49CJ nidx=null]
 + Ecamphicteis Fauchald, 1972 [ACCEPTED GENUS 2298:84MNW nidx=null]
Echinisis
 - Echinisis [ACCEPTED GENUS 2296:49GS nidx=null]
 + Echinisis Thomson & Rennet, 1932 [ACCEPTED GENUS 2298:84NW7 nidx=null]
Echinochalina
 - Echinochalina [ACCEPTED SUBGENUS 2296:49HJ nidx=null]
 - Echinochalina [ACCEPTED GENUS 2296:49HK nidx=null]
 + Echinochalina Thiele, 1903 [ACCEPTED GENUS 2298:84MNZ nidx=null]
Echinoclathria
 - Echinoclathria [ACCEPTED GENUS 2296:49HS nidx=null]
 + Echinoclathria Carter, 1885 [ACCEPTED GENUS 2298:84MP2 nidx=null]
Echinocythereis
 - Echinocythereis [ACCEPTED GENUS 2296:49JJ nidx=null]
 + Echinocythereis Puri, 1954 [ACCEPTED GENUS 2298:84MP3 nidx=null]
Echinodictyum
 - Echinodictyum [ACCEPTED GENUS 2296:49JP nidx=null]
 + Echinodictyum Ridley, 1881 [ACCEPTED GENUS 2298:84MP4 nidx=null]
Echinodictyum cancellatum
 - Echinodictyum cancellatum (Lamarck, 1814) [ACCEPTED SPECIES 2296:38HQW nidx=null]
 + Echinodictyum cancellatum (Lamarck, 1814) [SYNONYM SPECIES 2298:84XLH nidx=null parent=84XLJ]
Echinodictyum pulchrum
 - Echinodictyum pulchrum Brøndsted, 1934 [SYNONYM SPECIES 2296:38HRP nidx=null parent=38HQW]
 + Echinodictyum pulchrum Brøndsted, 1934 [ACCEPTED SPECIES 2298:84XLJ nidx=null]
Echinofabricia
 - Echinofabricia [ACCEPTED GENUS 2296:49K2 nidx=null]
 + Echinofabricia Huang, Fitzhugh & Rouse, 2011 [ACCEPTED GENUS 2298:84NWB nidx=null]
Echinogorgia
 - Echinogorgia [ACCEPTED GENUS 2296:49K8 nidx=null]
 + Echinogorgia Kölliker, 1865 [ACCEPTED GENUS 2298:84NWD nidx=null]
Echinomorpha
 - Echinomorpha [ACCEPTED GENUS 2296:49KP nidx=null]
 + Echinomorpha Veron, 2000 [ACCEPTED GENUS 2298:84NWF nidx=null]
Echinomuricea
 - Echinomuricea [ACCEPTED GENUS 2296:49KS nidx=null]
 + Echinomuricea Verrill, 1869 [ACCEPTED GENUS 2298:84MP5 nidx=null]
Echinonema incrustans var. levis
 - Echinonema incrustans var. levis Lendenfeld, 1888 [SYNONYM VARIETY 2296:5NP2M nidx=null parent=5DXGK]
 + Echinonema incrustans var. levis Lendenfeld, 1888 [SYNONYM VARIETY 2298:852TJ nidx=null parent=85TCP]
Echinopepon glutinosus
 - Echinopepon glutinosus (Cogn.) A. K. Monro & Stafford [SYNONYM SPECIES 2296:38JNS nidx=null parent=38JPH]
 + Echinopepon glutinosus (Cogn.) A. K. Monro & Stafford [SYNONYM SPECIES 2298:84X5T nidx=null parent=38JPH]
Echinophilus
 - Echinophilus [ACCEPTED GENUS 2296:62QYL nidx=null]
 + Echinophilus Schornikov, 1973 [ACCEPTED GENUS 2298:84NWG nidx=null]
Echinophyllia
 - Echinophyllia [ACCEPTED GENUS 2296:49LM nidx=null]
 + Echinophyllia Klunzinger, 1879 [ACCEPTED GENUS 2298:84MP6 nidx=null]
Echinopora
 - Echinopora [ACCEPTED GENUS 2296:49LW nidx=null]
 + Echinopora Lamarck, 1816 [ACCEPTED GENUS 2298:84MP7 nidx=null]
Echinops gmelinii
 - Echinops gmelinii Turcz. [ACCEPTED SPECIES 2296:38K36 nidx=null]
 + Echinops gmelinii Turcz. [ACCEPTED SPECIES 2298:84X5V nidx=null]
Echinoptilidae
 - Echinoptilidae [ACCEPTED FAMILY 2296:9KM nidx=null]
 + Echinoptilidae Hubrecht, 1885 [ACCEPTED FAMILY 2298:84K28 nidx=null]
Echinoptilum
 - Echinoptilum [ACCEPTED GENUS 2296:49MB nidx=null]
 + Echinoptilum Hubrecht, 1885 [ACCEPTED GENUS 2298:84MP8 nidx=null]
Echinositus
 - Echinositus [ACCEPTED GENUS 2296:49MT nidx=null]
 + Echinositus Schornikov, 1973 [ACCEPTED GENUS 2298:84NWH nidx=null]
Echinospongilla
 - Echinospongilla [ACCEPTED GENUS 2296:49N5 nidx=null]
 + Echinospongilla Manconi & Pronzato, 2002 [ACCEPTED GENUS 2298:84MP9 nidx=null]
Echinostylinos
 - Echinostylinos [ACCEPTED GENUS 2296:49NF nidx=null]
 + Echinostylinos Topsent, 1927 [ACCEPTED GENUS 2298:84MPB nidx=null]
Echites acuminatus
 - Echites acuminatus Ruiz & Pav. [AMBIGUOUS_SYNONYM SPECIES 2296:38LRB nidx=null parent=3ZY2S]
 + Echites acuminatus Ruiz & Pav. [AMBIGUOUS_SYNONYM SPECIES 2298:84X5W nidx=null parent=3ZY2S]
Echites circinnalis
 - Echites circinnalis Woodson [SYNONYM SPECIES 2296:38LTW nidx=null parent=38M6F]
 + Echites circinnalis Woodson [SYNONYM SPECIES 2298:84X6M nidx=null parent=38M6F]
Echites dichotomus
 - Echites dichotomus Kunth [AMBIGUOUS_SYNONYM SPECIES 2296:38LV4 nidx=null parent=6P4LP]
 + Echites dichotomus Kunth [AMBIGUOUS_SYNONYM SPECIES 2298:84X6Q nidx=null parent=6P4LP]
Echites macrophyllus
 - Echites macrophyllus Kunth [SYNONYM SPECIES 2296:38LYG nidx=null parent=3XTCY]
 + Echites macrophyllus Kunth [SYNONYM SPECIES 2298:84X6R nidx=null parent=3XTCY]
Echites velutinus
 - Echites velutinus (R. Br.) Spreng. [SYNONYM SPECIES 2296:38M5Y nidx=null parent=4DTHM]
 + Echites velutinus (R. Br.) Spreng. [SYNONYM SPECIES 2298:84X6S nidx=null parent=4DTHM]
Echiuridae
 - Echiuridae [ACCEPTED FAMILY 2296:9KW nidx=null]
 + Echiuridae Quatrefages, 1847 [ACCEPTED FAMILY 2298:84K2B nidx=null]
Echiurus
 - Echiurus [ACCEPTED GENUS 2296:632YQ nidx=null]
 + Echiurus Guérin-Méneville, 1831 [ACCEPTED GENUS 2298:84MPC nidx=null]
Ecionemia
 - Ecionemia [ACCEPTED GENUS 2296:49QW nidx=null]
 + Ecionemia Bowerbank, 1862 [ACCEPTED GENUS 2298:84MPD nidx=null]
Eclipidrilus
 - Eclipidrilus [ACCEPTED GENUS 2296:632Z4 nidx=null]
 + Eclipidrilus Eisen, 1881 [ACCEPTED GENUS 2298:84MPG nidx=null]
Eclysippe
 - Eclysippe [ACCEPTED GENUS 2296:49TB nidx=null]
 + Eclysippe Eliason, 1955 [ACCEPTED GENUS 2298:84MPH nidx=null]
Ectoforcepia carteri
 - Ectoforcepia carteri (Dendy, 1896) [SYNONYM SPECIES 2296:38QM8 nidx=null parent=6JDC3]
 + Ectoforcepia carteri (Dendy, 1896) [SYNONYM SPECIES 2298:84XNC nidx=null parent=85SV2]
Ectyodoryx minuta
 - Ectyodoryx minuta Calcinai & Pansini, 2000 [SYNONYM SPECIES 2296:6DXWK nidx=null parent=3VF8G]
 + Ectyodoryx minuta Calcinai & Pansini, 2000 [SYNONYM SPECIES 2298:84XND nidx=null parent=85SZG]
Ectyomyxilla ramosa
 - Ectyomyxilla ramosa Bergquist & Fromont, 1988 [SYNONYM SPECIES 2296:38RVG nidx=null parent=45H28]
 + Ectyomyxilla ramosa Bergquist & Fromont, 1988 [SYNONYM SPECIES 2298:84XNF nidx=null parent=85T4M]
Ectyonopsis
 - Ectyonopsis [ACCEPTED GENUS 2296:62QKK nidx=null]
 + Ectyonopsis Carter, 1883 [ACCEPTED GENUS 2298:84MPJ nidx=null]
Ectyoplasia
 - Ectyoplasia [ACCEPTED GENUS 2296:632KK nidx=null]
 + Ectyoplasia Topsent, 1931 [ACCEPTED GENUS 2298:84MPK nidx=null]
Egacythere
 - Egacythere [ACCEPTED GENUS 2296:62QLX nidx=null]
 + Egacythere Puri, 1960 [ACCEPTED GENUS 2298:84NWV nidx=null]
Eguchipsammia
 - Eguchipsammia [ACCEPTED GENUS 2296:62QP2 nidx=null]
 + Eguchipsammia Cairns, 1994 [ACCEPTED GENUS 2298:84MPM nidx=null]
Ehlersia heterochaeta
 - Ehlersia heterochaeta (Moore, 1909) [ACCEPTED SPECIES 2296:6DYRX nidx=null]
 + Ehlersia heterochaeta (Moore, 1909) [SYNONYM SPECIES 2298:84WHV nidx=null parent=53MTB]
Ehlersia rosea magna
 - Ehlersia rosea magna Westheide, 1974 [SYNONYM SUBSPECIES 2296:5H2X5 nidx=null parent=59YQH]
 + Ehlersia rosea magna Westheide, 1974 [SYNONYM SUBSPECIES 2298:852QC nidx=null parent=85FH4]
Ehlersileanira
 - Ehlersileanira [ACCEPTED GENUS 2296:62QP8 nidx=null]
 + Ehlersileanira Pettibone, 1970 [ACCEPTED GENUS 2298:84MPQ nidx=null]
Eilhardia
 - Eilhardia [ACCEPTED GENUS 2296:632PW nidx=null]
 + Eilhardia Poléjaeff, 1883 [ACCEPTED GENUS 2298:84MPR nidx=null]
Eisenia
 - Eisenia [ACCEPTED GENUS 2296:62R2M nidx=null]
 + Eisenia Malm, 1877 [ACCEPTED GENUS 2298:84MPS nidx=null]
Eiseniella
 - Eiseniella [ACCEPTED GENUS 2296:632QM nidx=null]
 + Eiseniella Michaelsen, 1900 [ACCEPTED GENUS 2298:84MPT nidx=null]
Eisigella
 - Eisigella [ACCEPTED SUBGENUS 2296:8D44 nidx=null]
 + Eisigella Gravier, 1901 [ACCEPTED GENUS 2298:84T3P nidx=null]
Eknomisis
 - Eknomisis [ACCEPTED GENUS 2296:62QQS nidx=null]
 + Eknomisis Watling & France, 2011 [ACCEPTED GENUS 2298:84NWZ nidx=null]
Ekpectocythere
 - Ekpectocythere [ACCEPTED GENUS 2296:62R2S nidx=null]
 + Ekpectocythere Choe, 1988 [ACCEPTED GENUS 2298:84NX2 nidx=null]
Ekpontocypris
 - Ekpontocypris [ACCEPTED GENUS 2296:632R4 nidx=null]
 + Ekpontocypris Maddocks, 1969 [ACCEPTED GENUS 2298:84NX3 nidx=null]
Ektraleptochelia
 - Ektraleptochelia [ACCEPTED GENUS 2296:62R2T nidx=null]
 + Ektraleptochelia Bamber & Marshall, 2015 [ACCEPTED GENUS 2298:84NX4 nidx=null]
Elaphe radiatus
 - Elaphe radiatus Murthy, 2010 [SYNONYM SPECIES 2296:38YMC nidx=null parent=WRWM]
 + Elaphe radiatus Murthy, 2010 [SYNONYM SPECIES 2298:84XNQ nidx=null parent=WRWM]
Elaps herthae
 - Elaps herthae Ahl, 1927 [SYNONYM SPECIES 2296:394G2 nidx=null parent=JJZD]
 + Elaps herthae Ahl, 1927 [SYNONYM SPECIES 2298:84XNT nidx=null parent=JJZD]
Elasmogorgia
 - Elasmogorgia [ACCEPTED GENUS 2296:632BS nidx=null]
 + Elasmogorgia Wright & Studer, 1889 [ACCEPTED GENUS 2298:84NX5 nidx=null]
Elassorhis
 - Elassorhis [ACCEPTED GENUS 2296:632DF nidx=null]
 + Elassorhis Child, 1982 [ACCEPTED GENUS 2298:84MPW nidx=null]
Elbeenus
 - Elbeenus [ACCEPTED GENUS 2296:62QCV nidx=null]
 + Elbeenus Alderslade, 2002 [ACCEPTED GENUS 2298:84NX6 nidx=null]
Elcania
 - Elcania [ACCEPTED GENUS 2296:62QD9 nidx=null]
 + Elcania Moretto, 1970 [ACCEPTED GENUS 2298:84NX7 nidx=null]
Electrotanais
 - Electrotanais [ACCEPTED GENUS 2296:632GF nidx=null]
 + Electrotanais Sánchez-García, Peñalver & Delclòs, 2015 [ACCEPTED GENUS 2298:84NXB nidx=null]
Eleutherobia
 - Eleutherobia [ACCEPTED GENUS 2296:632GR nidx=null]
 + Eleutherobia Pütter, 1900 [ACCEPTED GENUS 2298:84NXH nidx=null]
Eliberidens
 - Eliberidens [ACCEPTED GENUS 2296:62QHV nidx=null]
 + Eliberidens Wolf, 1986 [ACCEPTED GENUS 2298:84NXJ nidx=null]
Eliomosa
 - Eliomosa [ACCEPTED GENUS 2296:634B3 nidx=null]
 + Eliomosa Gutu, 2006 [ACCEPTED GENUS 2298:84NXL nidx=null]
Elisesione
 - Elisesione [ACCEPTED GENUS 2296:634CB nidx=null]
 + Elisesione Salazar-Vallejo, 2016 [ACCEPTED GENUS 2298:84NXM nidx=null]
Elleriprion
 - Elleriprion [ACCEPTED GENUS 2296:634C2 nidx=null]
 + Elleriprion Zawidka, 1975 [ACCEPTED GENUS 2298:84NXN nidx=null]
Elliptoseris
 - Elliptoseris [ACCEPTED GENUS 2296:62SD2 nidx=null]
 + Elliptoseris Duncan, 1880 [ACCEPTED GENUS 2298:84NXQ nidx=null]
Ellisella
 - Ellisella [ACCEPTED GENUS 2296:634D2 nidx=null]
 + Ellisella Gray, 1858 [ACCEPTED GENUS 2298:84MPZ nidx=null]
Ellisellidae
 - Ellisellidae [ACCEPTED FAMILY 2296:9MG nidx=null]
 + Ellisellidae Gray, 1859 [ACCEPTED FAMILY 2298:84K2D nidx=null]
Elofsonella
 - Elofsonella [ACCEPTED GENUS 2296:633TP nidx=null]
 + Elofsonella Pokorny, 1955 [ACCEPTED GENUS 2298:84MQ2 nidx=null]
Elofsonia
 - Elofsonia [ACCEPTED GENUS 2296:6345P nidx=null]
 + Elofsonia Wagner, 1957 [ACCEPTED GENUS 2298:84MQ3 nidx=null]
Emaga
 - Emaga [ACCEPTED GENUS 2296:4B52 nidx=null]
 + Emaga Hartman, 1978 [ACCEPTED GENUS 2298:84NXZ nidx=null]
Embolocephalus
 - Embolocephalus [ACCEPTED GENUS 2296:4B76 nidx=null]
 + Embolocephalus Randolph, 1892 [ACCEPTED GENUS 2298:84NY3 nidx=null]
Emplectonema
 - Emplectonema [ACCEPTED GENUS 2296:4BCD nidx=null]
 + Emplectonema Stimpson, 1857 [ACCEPTED GENUS 2298:84MQC nidx=null]
Emplectonematidae
 - Emplectonematidae [ACCEPTED FAMILY 2296:9NN nidx=null]
 + Emplectonematidae Bürger, 1904 [ACCEPTED FAMILY 2298:84K2F nidx=null]
Empoulsenia
 - Empoulsenia [ACCEPTED GENUS 2296:4BD5 nidx=null]
 + Empoulsenia Kornicker, 1975 [ACCEPTED GENUS 2298:84MQD nidx=null]
Emys muticus
 - Emys muticus Cantor, 1842 [SYNONYM SPECIES 2296:39LWY nidx=null parent=3YFWF]
 + Emys muticus Cantor, 1842 [SYNONYM SPECIES 2298:84XP9 nidx=null parent=3YFWF]
Enallopsammia
 - Enallopsammia [ACCEPTED GENUS 2296:62RV8 nidx=null]
 + Enallopsammia Sismonda, 1871 [ACCEPTED GENUS 2298:84MQH nidx=null]
Enapteris
 - Enapteris [ACCEPTED GENUS 2296:4BFC nidx=null]
 + Enapteris Rosa, 1908 [ACCEPTED GENUS 2298:84NY8 nidx=null]
Enchytraeidae
 - Enchytraeidae [ACCEPTED FAMILY 2296:9NZ nidx=null]
 + Enchytraeidae Vejdovský, 1879 [ACCEPTED FAMILY 2298:84K2G nidx=null]
Enchytraeina
 - Enchytraeina [ACCEPTED GENUS 2296:4BHP nidx=null]
 + Enchytraeina von Bülow, 1957 [ACCEPTED GENUS 2298:84JRF nidx=null]
Enchytraeus
 - Enchytraeus [ACCEPTED GENUS 2296:4BHQ nidx=null]
 + Enchytraeus Henle, 1837 [ACCEPTED GENUS 2298:84MQL nidx=null]
Endecamera
 - Endecamera [ACCEPTED GENUS 2296:4BKG nidx=null]
 + Endecamera Zottoli, 1982 [ACCEPTED GENUS 2298:84NYB nidx=null]
Endectyon
 - Endectyon [ACCEPTED GENUS 2296:4BKP nidx=null]
 - Endectyon [ACCEPTED SUBGENUS 2296:4BKQ nidx=null]
 + Endectyon Topsent, 1920 [ACCEPTED GENUS 2298:84MQN nidx=null]
Endeidae
 - Endeidae [ACCEPTED FAMILY 2296:9P6 nidx=null]
 + Endeidae Norman, 1908 [ACCEPTED FAMILY 2298:84K2H nidx=null]
Endeis
 - Endeis [ACCEPTED GENUS 2296:4BKR nidx=null]
 + Endeis Philippi, 1843 [ACCEPTED GENUS 2298:84MQP nidx=null]
Endocyathopora
 - Endocyathopora [ACCEPTED GENUS 2296:4BMK nidx=null]
 + Endocyathopora Cairns, 1989 [ACCEPTED GENUS 2298:84MQQ nidx=null]
Endocythere
 - Endocythere [ACCEPTED GENUS 2296:4BMM nidx=null]
 + Endocythere Hu & Tao, 2008 [ACCEPTED GENUS 2298:84NYD nidx=null]
Endopachys
 - Endopachys [ACCEPTED GENUS 2296:4BNV nidx=null]
 + Endopachys Lonsdale, 1845 [ACCEPTED GENUS 2298:84MQS nidx=null]
Endopsammia
 - Endopsammia [ACCEPTED GENUS 2296:4BPC nidx=null]
 + Endopsammia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84MQT nidx=null]
Endorete
 - Endorete [ACCEPTED GENUS 2296:4BPK nidx=null]
 + Endorete Topsent, 1928 [ACCEPTED GENUS 2298:84MQV nidx=null]
Enewton
 - Enewton [ACCEPTED GENUS 2296:62RW3 nidx=null]
 + Enewton Cohen & Morin, 2010 [ACCEPTED GENUS 2298:84NYN nidx=null]
Enigmopora
 - Enigmopora [ACCEPTED GENUS 2296:4BW7 nidx=null]
 + Enigmopora Ditlev, 2003 [ACCEPTED GENUS 2298:84NYR nidx=null]
Enipo
 - Enipo [ACCEPTED GENUS 2296:4BWD nidx=null]
 + Enipo Malmgren, 1865 [ACCEPTED GENUS 2298:84MQZ nidx=null]
Enipo cirrata
 - Enipo cirrata Treadwell, 1925 [ACCEPTED SPECIES 2296:6FBW6 nidx=null]
 + Enipo cirrata Treadwell, 1925 [SYNONYM SPECIES 2298:84WL2 nidx=null parent=4LCD8]
Enoplobranchus
 - Enoplobranchus [ACCEPTED GENUS 2296:4BYL nidx=null]
 + Enoplobranchus Verrill, 1879 [ACCEPTED GENUS 2298:84MR2 nidx=null]
Entocytheridae
 - Entocytheridae [ACCEPTED FAMILY 2296:9QK nidx=null]
 + Entocytheridae Hoff, 1942 [ACCEPTED FAMILY 2298:84K2J nidx=null]
Entomozoacea
 - Entomozoacea [ACCEPTED SUPERFAMILY 2296:546 nidx=null]
 + Entomozoacea Pribyl, 1950 [ACCEPTED SUPERFAMILY 2298:84JXG nidx=null]
Entomozoidae
 - Entomozoidae [ACCEPTED FAMILY 2296:9QW nidx=null]
 + Entomozoidae Pribyl, 1951 [ACCEPTED FAMILY 2298:84K69 nidx=null]
Eocypridina
 - Eocypridina [ACCEPTED GENUS 2296:4CCL nidx=null]
 + Eocypridina Kesling & Ploch, 1960 [ACCEPTED GENUS 2298:84NYY nidx=null]
Eoleperditia
 - Eoleperditia [ACCEPTED GENUS 2296:4CFD nidx=null]
 + Eoleperditia Swartz, 1949 [ACCEPTED GENUS 2298:84NYZ nidx=null]
Eone
 - Eone [ACCEPTED GENUS 2296:4CGR nidx=null]
 + Eone Malmgren, 1865 [ACCEPTED GENUS 2298:84MR8 nidx=null]
Eonemertes
 - Eonemertes [ACCEPTED GENUS 2296:63498 nidx=null]
 + Eonemertes Gibson, 1990 [ACCEPTED GENUS 2298:84NZ2 nidx=null]
Eopaijenborchella
 - Eopaijenborchella [ACCEPTED GENUS 2296:4CHC nidx=null]
 + Eopaijenborchella Keij, 1957 [ACCEPTED GENUS 2298:84NZ3 nidx=null]
Eophila
 - Eophila [ACCEPTED GENUS 2296:4CHQ nidx=null]
 + Eophila Rosa, 1893 [ACCEPTED GENUS 2298:84MR9 nidx=null]
Eospongilla
 - Eospongilla [ACCEPTED GENUS 2296:4CLS nidx=null]
 + Eospongilla Dunagan, 1999 [ACCEPTED GENUS 2298:84NZ5 nidx=null]
Eotomopteris
 - Eotomopteris [ACCEPTED GENUS 2296:633WZ nidx=null]
 + Eotomopteris Briggs & Clarkson, 1987 [ACCEPTED GENUS 2298:84NZ6 nidx=null]
Eousia
 - Eousia [ACCEPTED GENUS 2296:62RWB nidx=null]
 + Eousia Gibson, 1990 [ACCEPTED GENUS 2298:84NZ7 nidx=null]
Eousia verticivarius
 - Eousia verticivarius [SYNONYM SPECIES 2296:6FM55 nidx=null parent=6FLSS]
 + Eousia verticivarius Gibson, 1990 [SYNONYM SPECIES 2298:84XQB nidx=null parent=6FLSS]
Ephesiella
 - Ephesiella [ACCEPTED GENUS 2296:62S8G nidx=null]
 + Ephesiella Chamberlin, 1919 [ACCEPTED GENUS 2298:84MRF nidx=null]
Ephesiopsis
 - Ephesiopsis [ACCEPTED GENUS 2296:633WG nidx=null]
 + Ephesiopsis Hartman & Fauchald, 1971 [ACCEPTED GENUS 2298:84MRG nidx=null]
Ephydatia
 - Ephydatia [ACCEPTED GENUS 2296:4CVH nidx=null]
 + Ephydatia Lamouroux, 1816 [ACCEPTED GENUS 2298:84MRH nidx=null]
Ephyrogymna
 - Ephyrogymna [ACCEPTED GENUS 2296:4CVQ nidx=null]
 + Ephyrogymna Hedgpeth, 1943 [ACCEPTED GENUS 2298:84MRK nidx=null]
Epigamia
 - Epigamia [ACCEPTED GENUS 2296:4D44 nidx=null]
 + Epigamia Nygren, 2004 [ACCEPTED GENUS 2298:84NZD nidx=null]
Epiphaxum
 - Epiphaxum [ACCEPTED GENUS 2296:4D9P nidx=null]
 + Epiphaxum Lonsdale, 1850 [ACCEPTED GENUS 2298:84NZG nidx=null]
Epipolasis
 - Epipolasis [ACCEPTED GENUS 2296:62S9H nidx=null]
 + Epipolasis Laubenfels, 1936 [ACCEPTED GENUS 2298:84MRM nidx=null]
Epirodrilus
 - Epirodrilus [ACCEPTED GENUS 2296:4DC9 nidx=null]
 + Epirodrilus Hrabĕ, 1930 [ACCEPTED GENUS 2298:84MRN nidx=null]
Epithetosoma
 - Epithetosoma [ACCEPTED GENUS 2296:4DGG nidx=null]
 + Epithetosoma Danielssen & Koren, 1880 [ACCEPTED GENUS 2298:84NZK nidx=null]
Eranno
 - Eranno [ACCEPTED GENUS 2296:4DM9 nidx=null]
 + Eranno Kinberg, 1865 [ACCEPTED GENUS 2298:84NZL nidx=null]
Eremidrilus
 - Eremidrilus [ACCEPTED GENUS 2296:4DR2 nidx=null]
 + Eremidrilus Fend & Rodriguez, 2003 [ACCEPTED GENUS 2298:84MRQ nidx=null]
Erica petiverii
 - Erica petiverii Willd. [SYNONYM SPECIES 2296:6GLKM nidx=null parent=5H63J]
 + Erica petiverii Willd. [SYNONYM SPECIES 2298:84X7P nidx=null parent=5H63J]
Ericiocyathus
 - Ericiocyathus [ACCEPTED GENUS 2296:4DZK nidx=null]
 + Ericiocyathus Cairns & Zibrowius, 1997 [ACCEPTED GENUS 2298:84MRT nidx=null]
Erigeron pulvinatus
 - Erigeron pulvinatus Rydb. [SYNONYM SPECIES 2296:6GPTL nidx=null parent=6GND3]
 + Erigeron pulvinatus Rydb. [SYNONYM SPECIES 2298:84X94 nidx=null parent=6GND3]
Erinaceusyllis
 - Erinaceusyllis [ACCEPTED GENUS 2296:62RL9 nidx=null]
 + Erinaceusyllis San Martín, 2003 [ACCEPTED GENUS 2298:84NZY nidx=null]
Eriodendron tomentosum
 - Eriodendron tomentosum B. L. Rob. [SYNONYM SPECIES 2296:6H3BT nidx=null parent=S2BB]
 + Eriodendron tomentosum B. L. Rob. [SYNONYM SPECIES 2298:84X95 nidx=null parent=S2BB]
Ernstia
 - Ernstia [ACCEPTED GENUS 2296:62RQQ nidx=null]
 + Ernstia Klautau, Azevedo, Cóndor-Luján, Rapp, Collins & Russo, 2013 [ACCEPTED GENUS 2298:84P22 nidx=null]
Erodium bocconii
 - Erodium bocconii Viv. [SYNONYM SPECIES 2296:3B8Y3 nidx=null parent=3B93X]
 + Erodium bocconii Viv. [SYNONYM SPECIES 2298:84X9G nidx=null parent=3B93X]
Erseia
 - Erseia [ACCEPTED GENUS 2296:62RQD nidx=null]
 + Erseia Nygren, Sundkvist, Mikac & Pleijel, 2010 [ACCEPTED GENUS 2298:84P27 nidx=null]
Erylus
 - Erylus [ACCEPTED GENUS 2296:6343Q nidx=null]
 + Erylus Gray, 1867 [ACCEPTED GENUS 2298:84MRW nidx=null]
Eryngium bourgatii
 - Eryngium bourgatii Gouan [ACCEPTED SPECIES 2296:6H4C6 nidx=null]
 + Eryngium bourgatii Gouan [ACCEPTED SPECIES 2298:84X9J nidx=null]
Erythraea linariifolia
 - Erythraea linariifolia Wittr. [SYNONYM SPECIES 2296:3BCMR nidx=null parent=7JJBT]
 + Erythraea linariifolia Wittr. [SYNONYM SPECIES 2298:84X9M nidx=null parent=7JJBT]
Erythroxylum eugeniifolium
 - Erythroxylum eugeniifolium Mart. ex O. E. Schulz [SYNONYM SPECIES 2296:6GTFF nidx=null parent=6H5H8]
 + Erythroxylum eugeniifolium Mart. ex O. E. Schulz [SYNONYM SPECIES 2298:84X9R nidx=null parent=6H5H8]
Escarpia
 - Escarpia [ACCEPTED GENUS 2296:62RSC nidx=null]
 + Escarpia Jones, 1985 [ACCEPTED GENUS 2298:84MS2 nidx=null]
Esconites
 - Esconites [ACCEPTED GENUS 2296:6344L nidx=null]
 + Esconites Thompson & Johnson, 1977 [ACCEPTED GENUS 2298:84P29 nidx=null]
Esperella crassa
 - Esperella crassa Dendy, 1896 [SYNONYM SPECIES 2296:3BJ97 nidx=null parent=44RV7]
 + Esperella crassa Dendy, 1896 [SYNONYM SPECIES 2298:84XQY nidx=null parent=85T2C]
Esperella crassissima
 - Esperella crassissima Dendy, 1905 [SYNONYM SPECIES 2296:3BJ98 nidx=null parent=44RT6]
 + Esperella crassissima Dendy, 1905 [SYNONYM SPECIES 2298:84XQZ nidx=null parent=85T3B]
Esperella cylindrica
 - Esperella cylindrica Whitelegge, 1906 [SYNONYM SPECIES 2296:6GSQD nidx=null parent=44S3X]
 + Esperella cylindrica Whitelegge, 1906 [SYNONYM SPECIES 2298:84XR2 nidx=null parent=85T3C]
Esperella erythraeana
 - Esperella erythraeana Row, 1911 [SYNONYM SPECIES 2296:3BJ9C nidx=null parent=44RVB]
 + Esperella erythraeana Row, 1911 [SYNONYM SPECIES 2298:84XR3 nidx=null parent=85T22]
Esperella fisheri
 - Esperella fisheri Laubenfels, 1926 [SYNONYM SPECIES 2296:3BJ9G nidx=null parent=44S4H]
 + Esperella fisheri Laubenfels, 1926 [SYNONYM SPECIES 2298:84XR4 nidx=null parent=44RXS]
Esperella fristedtii
 - Esperella fristedtii Lambe, 1900 [SYNONYM SPECIES 2296:3BJ9K nidx=null parent=5Z7TP]
 + Esperella fristedtii Lambe, 1900 [SYNONYM SPECIES 2298:84XR5 nidx=null parent=85T52]
Esperella hispida
 - Esperella hispida Lambe, 1893 [SYNONYM SPECIES 2296:3BJ9Q nidx=null parent=44RXG]
 + Esperella hispida Lambe, 1893 [SYNONYM SPECIES 2298:84WLS nidx=null parent=85T2N]
Esperella jophon
 - Esperella jophon Swartschewsky, 1905 [SYNONYM SPECIES 2296:3BJ9T nidx=null parent=44S5D]
 + Esperella jophon Swartschewsky, 1905 [SYNONYM SPECIES 2298:84XR6 nidx=null parent=85T2P]
Esperella mammiformis
 - Esperella mammiformis Ridley & Dendy, 1886 [SYNONYM SPECIES 2296:6GSPX nidx=null parent=44S64]
 + Esperella mammiformis Ridley & Dendy, 1886 [SYNONYM SPECIES 2298:84XR7 nidx=null parent=85T3N]
Esperella orientalis
 - Esperella orientalis Topsent, 1897 [SYNONYM SPECIES 2296:6GT27 nidx=null parent=44RVZ]
 + Esperella orientalis Topsent, 1897 [SYNONYM SPECIES 2298:84XR8 nidx=null parent=85T26]
Esperella pellucida
 - Esperella pellucida (Ridley, 1884) [SYNONYM SPECIES 2296:6H527 nidx=null parent=44RTV]
 + Esperella pellucida (Ridley, 1884) [SYNONYM SPECIES 2298:84XR9 nidx=null parent=73QRS]
Esperella rara
 - Esperella rara Dendy, 1896 [SYNONYM SPECIES 2296:6GSPP nidx=null parent=44RY9]
 + Esperella rara Dendy, 1896 [SYNONYM SPECIES 2298:84XRB nidx=null parent=85T2F]
Esperella sordida var. orientalis
 - Esperella sordida var. orientalis Topsent, 1897 [SYNONYM VARIETY 2296:5NTZH nidx=null parent=44RVZ]
 + Esperella sordida var. orientalis Topsent, 1897 [SYNONYM VARIETY 2298:852TK nidx=null parent=85T26]
Esperella textilis
 - Esperella textilis Whitelegge, 1906 [SYNONYM SPECIES 2296:3BJB3 nidx=null parent=44S8V]
 + Esperella textilis Whitelegge, 1906 [SYNONYM SPECIES 2298:84XRC nidx=null parent=85T2B]
Esperella varpachovskii
 - Esperella varpachovskii Swartschewsky, 1906 [SYNONYM SPECIES 2296:3BJB6 nidx=null parent=44S9L]
 + Esperella varpachovskii Swartschewsky, 1906 [SYNONYM SPECIES 2298:84XRD nidx=null parent=44RZ4]
Esperia diaphana
 - Esperia diaphana Schmidt, 1870 [SYNONYM SPECIES 2296:3BJBP nidx=null parent=44S43]
 + Esperia diaphana Schmidt, 1870 [SYNONYM SPECIES 2298:84XRF nidx=null parent=85T3D]
Esperia indica
 - Esperia indica Carter, 1887 [SYNONYM SPECIES 2296:3BJBZ nidx=null parent=44RXJ]
 + Esperia indica Carter, 1887 [SYNONYM SPECIES 2298:84XRG nidx=null parent=73QRS]
Esperia lanugo
 - Esperia lanugo Schmidt, 1875 [SYNONYM SPECIES 2296:3BJC6 nidx=null parent=D32W]
 + Esperia lanugo Schmidt, 1875 [SYNONYM SPECIES 2298:84XRH nidx=null parent=85SN3]
Esperia pellucida
 - Esperia pellucida Ridley, 1884 [SYNONYM SPECIES 2296:3BJCN nidx=null parent=44RTV]
 + Esperia pellucida Ridley, 1884 [SYNONYM SPECIES 2298:84XRJ nidx=null parent=73QRS]
Esperia stolonifera
 - Esperia stolonifera Merejkowski, 1878 [SYNONYM SPECIES 2296:3BJCX nidx=null parent=D32W]
 + Esperia stolonifera Merejkowski, 1878 [SYNONYM SPECIES 2298:84XRK nidx=null parent=85SN3]
Esperiopsidae
 - Esperiopsidae [ACCEPTED FAMILY 2296:9VS nidx=null]
 + Esperiopsidae Hentschel, 1923 [ACCEPTED FAMILY 2298:84K2K nidx=null]
Esperiopsis
 - Esperiopsis [ACCEPTED GENUS 2296:633D9 nidx=null]
 + Esperiopsis Carter, 1882 [ACCEPTED GENUS 2298:84MSD nidx=null]
Esperiopsis clarkei
 - Esperiopsis clarkei (Bowerbank, 1866) [SYNONYM SPECIES 2296:3BJDQ nidx=null parent=D32W]
 + Esperiopsis clarkei (Bowerbank, 1866) [SYNONYM SPECIES 2298:84XRL nidx=null parent=D32K]
Esperiopsis forcipula
 - Esperiopsis forcipula Lundbeck, 1905 [SYNONYM SPECIES 2296:6H4PR nidx=null parent=6JDC7]
 + Esperiopsis forcipula Lundbeck, 1905 [SYNONYM SPECIES 2298:84XRM nidx=null parent=85SV3]
Esperiopsis lobata
 - Esperiopsis lobata (Montagu, 1814) [SYNONYM SPECIES 2296:6H53K nidx=null parent=D32W]
 + Esperiopsis lobata (Montagu, 1814) [SYNONYM SPECIES 2298:84XRN nidx=null parent=85SN3]
Estonioprion
 - Estonioprion [ACCEPTED GENUS 2296:62RF3 nidx=null]
 + Estonioprion Hints, 1998 [ACCEPTED GENUS 2298:84P2C nidx=null]
Eteone
 - Eteone [ACCEPTED SUBGENUS 2296:62RGJ nidx=null]
 - Eteone [ACCEPTED GENUS 2296:633GH nidx=null]
 + Eteone Savigny, 1822 [ACCEPTED GENUS 2298:84MSG nidx=null]
Eteone (Mysta) bistriata
 - Eteone (Mysta) bistriata Uschakov, 1953 [SYNONYM SPECIES 2296:3BKND nidx=null parent=45FHL]
 + Eteone (Mysta) bistriata Uschakov, 1953 [SYNONYM SPECIES 2298:84XRP nidx=null parent=3BKQ9]
Eteone (Mysta) bistriata fuscodorsata
 - Eteone (Mysta) bistriata fuscodorsata Uschakov, 1953 [SYNONYM SUBSPECIES 2296:7K3R4 nidx=null parent=7HH85]
 + Eteone (Mysta) bistriata fuscodorsata Uschakov, 1953 [SYNONYM SUBSPECIES 2298:852QF nidx=null parent=3BKQ9]
Eteone barbata
 - Eteone barbata Malmgren, 1865 [ACCEPTED SPECIES 2296:3BKNR nidx=null]
 + Eteone barbata (Malmgren, 1865) [SYNONYM SPECIES 2298:84WLT nidx=null parent=45FHK]
Eteone ornata
 - Eteone ornata Grube, 1878 [ACCEPTED SPECIES 2296:3BKPM nidx=null]
 + Eteone ornata Grube, 1878 [SYNONYM SPECIES 2298:84XRQ nidx=null parent=45FHQ]
Eteone papillifera
 - Eteone papillifera Théel in Levinsen, 1883 [ACCEPTED SPECIES 2296:3BKPQ nidx=null]
 + Eteone papillifera (Théel, 1879) [SYNONYM SPECIES 2298:84XRR nidx=null parent=45FHK]
Eteone platycephala
 - Eteone platycephala Augener, 1913 [ACCEPTED SPECIES 2296:3BKPT nidx=null]
 + Eteone platycephala Augener, 1913 [SYNONYM SPECIES 2298:84XRS nidx=null parent=85DZ8]
Eteonella robertianae
 - Eteonella robertianae McIntosh, 1874 [SYNONYM SPECIES 2296:3BKQN nidx=null parent=7GS29]
 + Eteonella robertianae McIntosh, 1874 [SYNONYM SPECIES 2298:84XRT nidx=null parent=852ZD]
Ethmonaria
 - Ethmonaria [ACCEPTED GENUS 2296:633HL nidx=null]
 + Ethmonaria Yu & Wang, 1981 [ACCEPTED GENUS 2298:84P2G nidx=null]
Euarche
 - Euarche [ACCEPTED GENUS 2296:633KF nidx=null]
 + Euarche Ehlers, 1887 [ACCEPTED GENUS 2298:84P2J nidx=null]
Eubonellia
 - Eubonellia [ACCEPTED GENUS 2296:62TBF nidx=null]
 + Eubonellia Fisher, 1946 [ACCEPTED GENUS 2298:84MSK nidx=null]
Euborlasia
 - Euborlasia [ACCEPTED GENUS 2296:635BG nidx=null]
 + Euborlasia Vaillant, 1890 [ACCEPTED GENUS 2298:84MSL nidx=null]
Eucalyptus umbellata
 - Eucalyptus umbellata (Gaertn.) Domin [SYNONYM SPECIES 2296:3BQLV nidx=null parent=5H7SR]
 + Eucalyptus umbellata (Gaertn.) Domin [SYNONYM SPECIES 2298:84WLY nidx=null parent=5H7SR]
Eucandona
 - Eucandona [ACCEPTED GENUS 2296:4F35 nidx=null]
 + Eucandona Daday, 1900 [ACCEPTED GENUS 2298:84P2L nidx=null]
Euchalina paucispina
 - Euchalina paucispina Lendenfeld, 1887 [SYNONYM SPECIES 2296:6H5RW nidx=null parent=PWM8]
 + Euchalina paucispina Lendenfeld, 1887 [SYNONYM SPECIES 2298:84XRY nidx=null parent=85SPN]
Euchalina reticulata
 - Euchalina reticulata Lendenfeld, 1887 [SYNONYM SPECIES 2296:6H5S8 nidx=null parent=3JCQ7]
 + Euchalina reticulata Lendenfeld, 1887 [SYNONYM SPECIES 2298:84XRZ nidx=null parent=85SX4]
Euchalina typica
 - Euchalina typica Lendenfeld, 1887 [SYNONYM SPECIES 2296:6H63W nidx=null parent=PWM8]
 + Euchalina typica Lendenfeld, 1887 [SYNONYM SPECIES 2298:84XS2 nidx=null parent=85SPN]
Euchalinopsis dendroides
 - Euchalinopsis dendroides Lendenfeld, 1887 [SYNONYM SPECIES 2296:6GTRX nidx=null parent=PWM8]
 + Euchalinopsis dendroides Lendenfeld, 1887 [SYNONYM SPECIES 2298:84XS3 nidx=null parent=85SPN]
Euchalinopsis macropora
 - Euchalinopsis macropora Lendenfeld, 1887 [SYNONYM SPECIES 2296:6GTS9 nidx=null parent=PWM8]
 + Euchalinopsis macropora Lendenfeld, 1887 [SYNONYM SPECIES 2298:84XS4 nidx=null parent=85SPN]
Euchalinopsis minima
 - Euchalinopsis minima Lendenfeld, 1887 [SYNONYM SPECIES 2296:6H5RX nidx=null parent=PWM8]
 + Euchalinopsis minima Lendenfeld, 1887 [SYNONYM SPECIES 2298:84XS5 nidx=null parent=85SPN]
Euchalinopsis philipensis
 - Euchalinopsis philipensis Lendenfeld, 1887 [SYNONYM SPECIES 2296:6H63X nidx=null parent=PWM8]
 + Euchalinopsis philipensis Lendenfeld, 1887 [SYNONYM SPECIES 2298:84XS6 nidx=null parent=85SPN]
Euchelipluma
 - Euchelipluma [ACCEPTED GENUS 2296:4F5Y nidx=null]
 + Euchelipluma Topsent, 1909 [ACCEPTED GENUS 2298:84MSS nidx=null]
Euchone
 - Euchone [ACCEPTED GENUS 2296:4F6Y nidx=null]
 + Euchone Malmgren, 1866 [ACCEPTED GENUS 2298:84MST nidx=null]
Euclymene
 - Euclymene [ACCEPTED GENUS 2296:4F94 nidx=null]
 + Euclymene Verrill, 1900 [ACCEPTED GENUS 2298:84MSY nidx=null]
Euclymene affinis
 - Euclymene affinis (M. Sars in G.O. Sars, 1872) [ACCEPTED SPECIES 2296:6H68C nidx=null]
 + Euclymene affinis (M. Sars in G.O. Sars, 1872) [SYNONYM SPECIES 2298:84XS7 nidx=null parent=4M9X8]
Euconchoecia
 - Euconchoecia [ACCEPTED GENUS 2296:635BT nidx=null]
 + Euconchoecia Müller, 1890 [ACCEPTED GENUS 2298:84MSZ nidx=null]
Eucranta
 - Eucranta [ACCEPTED GENUS 2296:4FC2 nidx=null]
 + Eucranta Malmgren, 1865 [ACCEPTED GENUS 2298:84MT2 nidx=null]
Eucryptocaris
 - Eucryptocaris [ACCEPTED GENUS 2296:62TDJ nidx=null]
 + Eucryptocaris Schram, 1989 [ACCEPTED GENUS 2298:84P2N nidx=null]
Eucythere
 - Eucythere [ACCEPTED GENUS 2296:4FDZ nidx=null]
 + Eucythere Brady, 1868 [ACCEPTED GENUS 2298:84MT6 nidx=null]
Eucytheridae
 - Eucytheridae [ACCEPTED FAMILY 2296:9WY nidx=null]
 + Eucytheridae Puri, 1954 [ACCEPTED FAMILY 2298:84K2L nidx=null]
Eucytheridea
 - Eucytheridea [ACCEPTED GENUS 2296:62TCK nidx=null]
 + Eucytheridea Bronstein, 1930 [ACCEPTED GENUS 2298:84P2P nidx=null]
Eucytherura
 - Eucytherura [ACCEPTED GENUS 2296:635CK nidx=null]
 + Eucytherura Mueller, 1893 [ACCEPTED GENUS 2298:84MT7 nidx=null]
Eudistylia
 - Eudistylia [ACCEPTED GENUS 2296:4FGY nidx=null]
 + Eudistylia Bush, 1905 [ACCEPTED GENUS 2298:84MTD nidx=null]
Eudontosyllis aciculata
 - Eudontosyllis aciculata Knox, 1960 [ACCEPTED SPECIES 2296:3C2LZ nidx=null]
 + Eudontosyllis aciculata Knox, 1960 [SYNONYM SPECIES 2298:84XSC nidx=null parent=85DD7]
Eugenia mattogrossensis
 - Eugenia mattogrossensis Mazine [AMBIGUOUS_SYNONYM SPECIES 2296:6H8DY nidx=null parent=3C5LH]
 + Eugenia mattogrossensis Mazine [AMBIGUOUS_SYNONYM SPECIES 2298:84XBH nidx=null parent=3C5LH]
Eugorgia
 - Eugorgia [ACCEPTED GENUS 2296:4FNS nidx=null]
 + Eugorgia Verrill, 1868 [ACCEPTED GENUS 2298:84MTM nidx=null]
Euilyodrilus moldaviensis
 - Euilyodrilus moldaviensis (Oschmann, 1913) [SYNONYM SPECIES 2296:3C948 nidx=null parent=4M4PW]
 + Euilyodrilus moldaviensis (Vejdovský & Mrázek, 1903) [SYNONYM SPECIES 2298:84XSR nidx=null parent=4M4PW]
Eukerria
 - Eukerria [ACCEPTED GENUS 2296:4FRJ nidx=null]
 + Eukerria Michaelsen, 1935 [ACCEPTED GENUS 2298:84MTS nidx=null]
Eulaeospira
 - Eulaeospira [ACCEPTED GENUS 2296:4FS2 nidx=null]
 + Eulaeospira Pillai, 1970 [ACCEPTED GENUS 2298:84MTT nidx=null]
Eulagisca
 - Eulagisca [ACCEPTED GENUS 2296:4FS3 nidx=null]
 + Eulagisca McIntosh, 1885 [ACCEPTED GENUS 2298:84MTV nidx=null]
Eulalia (Pterocirrus) hunteri
 - Eulalia (Pterocirrus) hunteri Benham, 1921 [SYNONYM SPECIES 2296:3C9KY nidx=null parent=4ZNQF]
 + Eulalia (Pterocirrus) hunteri Benham, 1921 [SYNONYM SPECIES 2298:84XSS nidx=null parent=85FBX]
Eulalia (Steggoa) parasubulifera
 - Eulalia (Steggoa) parasubulifera Hartmann-Schröder, 1974 [ACCEPTED SPECIES 2296:3C9L8 nidx=null]
 + Eulalia (Steggoa) parasubulifera Hartmann-Schröder, 1974 [SYNONYM SPECIES 2298:84XST nidx=null parent=85DR3]
Eulalia anomalochaeta
 - Eulalia anomalochaeta Monro, 1930 [SYNONYM SPECIES 2296:3C9LF nidx=null parent=4ZNQF]
 + Eulalia anomalochaeta Monro, 1930 [SYNONYM SPECIES 2298:84XSV nidx=null parent=85FBX]
Eulalia capensis
 - Eulalia capensis Schmarda, 1861 [SYNONYM SPECIES 2296:3C9M5 nidx=null parent=4ZNQC]
 + Eulalia capensis Schmarda, 1861 [ACCEPTED SPECIES 2298:84WMG nidx=null]
Eulalia longocirrata
 - Eulalia longocirrata Støp-Bowitz, 1948 [ACCEPTED SPECIES 2296:3C9P3 nidx=null]
 + Eulalia longocirrata Støp-Bowitz, 1948 [SYNONYM SPECIES 2298:84XSW nidx=null parent=6YNQ2]
Eulalia nigrimaculata
 - Eulalia nigrimaculata Moore, 1909 [SYNONYM SPECIES 2296:3C9Q4 nidx=null parent=LKXQ]
 + Eulalia nigrimaculata Moore, 1909 [SYNONYM SPECIES 2298:84WMH nidx=null parent=5YY88]
Eulalia picta
 - Eulalia picta Kinberg, 1866 [SYNONYM SPECIES 2296:3C9QH nidx=null parent=47RXB]
 + Eulalia picta Kinberg, 1866 [ACCEPTED SPECIES 2298:84WMJ nidx=null]
Eulalia viridis capensis
 - Eulalia viridis capensis Schmarda, 1961 [SYNONYM SUBSPECIES 2296:5H8CQ nidx=null parent=4ZNQC]
 + Eulalia viridis capensis Schmarda, 1961 [SYNONYM SUBSPECIES 2298:852QG nidx=null parent=84WMG]
Eulalites
 - Eulalites [ACCEPTED GENUS 2296:4FSB nidx=null]
 + Eulalites Plicka, 1984 [ACCEPTED GENUS 2298:84P2T nidx=null]
Eulepethidae
 - Eulepethidae [ACCEPTED FAMILY 2296:9XH nidx=null]
 + Eulepethidae Chamberlin, 1919 [ACCEPTED FAMILY 2298:84K2N nidx=null]
Eulepethus
 - Eulepethus [ACCEPTED GENUS 2296:4FSX nidx=null]
 + Eulepethus Chamberlin, 1919 [ACCEPTED GENUS 2298:84P2V nidx=null]
Eumenia reticulata
 - Eumenia reticulata McIntosh, 1885 [SYNONYM SPECIES 2296:3CDQX nidx=null parent=78H7Z]
 + Eumenia reticulata McIntosh, 1885 [SYNONYM SPECIES 2298:84XT7 nidx=null parent=3MYQW]
Eumida
 - Eumida [ACCEPTED GENUS 2296:4FZF nidx=null]
 - Eumida [ACCEPTED SUBGENUS 2296:4FZG nidx=null]
 + Eumida Malmgren, 1865 [ACCEPTED GENUS 2298:84MTX nidx=null]
Eumolpe maxima
 - Eumolpe maxima Oken, 1817 [SYNONYM SPECIES 2296:6GYLC nidx=null parent=4LCMC]
 + Eumolpe maxima [Oken misspelling of 'maxillosa'] [SYNONYM SPECIES 2298:84XT9 nidx=null parent=4LCMC]
Eumuliercula
 - Eumuliercula [ACCEPTED GENUS 2296:4G2M nidx=null]
 + Eumuliercula Timm, 1997 [ACCEPTED GENUS 2298:84P2Y nidx=null]
Eunapius
 - Eunapius [ACCEPTED GENUS 2296:4G33 nidx=null]
 + Eunapius Gray, 1867 [ACCEPTED GENUS 2298:84MTY nidx=null]
Eunephthya
 - Eunephthya [ACCEPTED GENUS 2296:4G3H nidx=null]
 + Eunephthya Verrill, 1869 [ACCEPTED GENUS 2298:84MTZ nidx=null]
Eunereis
 - Eunereis [ACCEPTED GENUS 2296:4G3J nidx=null]
 + Eunereis Malmgren, 1865 [ACCEPTED GENUS 2298:84MV2 nidx=null]
Eunice
 - Eunice [ACCEPTED GENUS 2296:4G3S nidx=null]
 + Eunice Cuvier, 1817 [ACCEPTED GENUS 2298:84MV3 nidx=null]
Eunice australis
 - Eunice australis Quatrefages, 1866 [ACCEPTED SPECIES 2296:3CF4D nidx=null]
 + Eunice australis Quatrefages, 1866 [SYNONYM SPECIES 2298:84WMK nidx=null parent=85DWH]
Eunice bassensis
 - Eunice bassensis McIntosh, 1885 [ACCEPTED SPECIES 2296:3CF4J nidx=null]
 + Eunice bassensis McIntosh, 1885 [SYNONYM SPECIES 2298:84XTB nidx=null parent=85DWJ]
Eunice bowerbanki
 - Eunice bowerbanki Baird, 1869 [ACCEPTED SPECIES 2296:3CF4V nidx=null]
 + Eunice bowerbanki Baird, 1869 [SYNONYM SPECIES 2298:84XTC nidx=null parent=85DWK]
Eunice elseyi
 - Eunice elseyi Baird, 1869 [ACCEPTED SPECIES 2296:3CF65 nidx=null]
 + Eunice elseyi Baird, 1869 [SYNONYM SPECIES 2298:84XTD nidx=null parent=85DWM]
Eunice fuscafasciata
 - Eunice fuscafasciata (Treadwell, 1922) [ACCEPTED SPECIES 2296:3CF6R nidx=null]
 + Eunice fuscafasciata (Treadwell, 1922) [SYNONYM SPECIES 2298:84XTF nidx=null parent=84ZHW]
Eunice laticeps
 - Eunice laticeps Ehlers, 1868 [ACCEPTED SPECIES 2296:3CF88 nidx=null]
 + Eunice laticeps Ehlers, 1868 [SYNONYM SPECIES 2298:84XTG nidx=null parent=85DWP]
Eunice metatropos
 - Eunice metatropos Hanley, 1986 [ACCEPTED SPECIES 2296:3CF99 nidx=null]
 + Eunice metatropos Hanley, 1986 [SYNONYM SPECIES 2298:84XTH nidx=null parent=85DWQ]
Eunice pycnobranchiata
 - Eunice pycnobranchiata McIntosh, 1885 [ACCEPTED SPECIES 2296:3CFB8 nidx=null]
 + Eunice pycnobranchiata McIntosh, 1885 [SYNONYM SPECIES 2298:84XTJ nidx=null parent=85DWR]
Eunice rubella
 - Eunice rubella Knox, 1951 [ACCEPTED SPECIES 2296:3CFBL nidx=null]
 + Eunice rubella Knox, 1951 [SYNONYM SPECIES 2298:84XTK nidx=null parent=85DWS]
Eunice tentaculata
 - Eunice tentaculata Quatrefages, 1866 [SYNONYM SPECIES 2296:3CFCJ nidx=null parent=3CF88]
 + Eunice tentaculata Kinberg, 1865 [ACCEPTED SPECIES 2298:84WMM nidx=null]
Eunice torresiensis
 - Eunice torresiensis McIntosh, 1885 [ACCEPTED SPECIES 2296:3CFCR nidx=null]
 + Eunice torresiensis McIntosh, 1885 [SYNONYM SPECIES 2298:84XTL nidx=null parent=85DWV]
Eunicea
 - Eunicea [ACCEPTED GENUS 2296:4G3T nidx=null]
 + Eunicea Lamouroux, 1816 [ACCEPTED GENUS 2298:84MV4 nidx=null]
Eunicella
 - Eunicella [ACCEPTED GENUS 2296:635GL nidx=null]
 + Eunicella Verrill, 1869 [ACCEPTED GENUS 2298:84P2Z nidx=null]
Eunicidae
 - Eunicidae [ACCEPTED FAMILY 2296:62427 nidx=null]
 + Eunicidae Berthold, 1827 [ACCEPTED FAMILY 2298:84K2P nidx=null]
Eunicites
 - Eunicites [ACCEPTED GENUS 2296:4G3X nidx=null]
 + Eunicites Ehlers, 1868 [ACCEPTED GENUS 2298:84P32 nidx=null]
Euniphysa
 - Euniphysa [ACCEPTED GENUS 2296:4G45 nidx=null]
 + Euniphysa Wesenberg-Lund, 1949 [ACCEPTED GENUS 2298:84MV5 nidx=null]
Eunoe exoculata
 - Eunoe exoculata Treadwell, 1923 [SYNONYM SPECIES 2296:3CG3L nidx=null parent=3JRJF]
 + Eunoe exoculata Treadwell, 1923 [SYNONYM SPECIES 2298:84XTR nidx=null parent=85DTW]
Eunoe kerguelensis
 - Eunoe kerguelensis (McIntosh, 1885) [ACCEPTED SPECIES 2296:3CG3X nidx=null]
 + Eunoe kerguelensis [auct.] [SYNONYM SPECIES 2298:84XTS nidx=null parent=3JRDX]
Eunoe mamilloba
 - Eunoe mamilloba Czerniavsky, 1882 [ACCEPTED SPECIES 2296:3CG44 nidx=null]
 + Eunoe mamilloba [auctt., misspelling for mammiloba] [SYNONYM SPECIES 2298:84WMN nidx=null parent=3CG45]
Eunotomastus
 - Eunotomastus [ACCEPTED GENUS 2296:4G4H nidx=null]
 + Eunotomastus McIntosh, 1885 [ACCEPTED GENUS 2298:84MV7 nidx=null]
Euonymus carrieri
 - Euonymus carrieri Vauvel ex Carrière [SYNONYM SPECIES 2296:3CGTX nidx=null parent=7M2FK]
 + Euonymus carrieri Vauvel ex Carrière [SYNONYM SPECIES 2298:84XBW nidx=null parent=7M2FK]
Eupanthalis
 - Eupanthalis [ACCEPTED GENUS 2296:4G6X nidx=null]
 + Eupanthalis McIntosh, 1876 [ACCEPTED GENUS 2298:84MVC nidx=null]
Euphilomedes
 - Euphilomedes [ACCEPTED GENUS 2296:4G9L nidx=null]
 + Euphilomedes Poulsen, 1962 [ACCEPTED GENUS 2298:84MVF nidx=null]
Euphione
 - Euphione [ACCEPTED GENUS 2296:4G9P nidx=null]
 + Euphione McIntosh, 1885 [ACCEPTED GENUS 2298:84MVG nidx=null]
Euphionella
 - Euphionella [ACCEPTED GENUS 2296:4G9Q nidx=null]
 + Euphionella Monro, 1936 [ACCEPTED GENUS 2298:84MVH nidx=null]
Euphrosine
 - Euphrosine [ACCEPTED GENUS 2296:635G9 nidx=null]
 + Euphrosine Lamarck, 1818 [ACCEPTED GENUS 2298:84MVK nidx=null]
Euphrosine lanceolata
 - Euphrosine lanceolata McIntosh, 1876 [SYNONYM SPECIES 2296:3CS9L nidx=null parent=3CS92]
 + Euphrosine lanceolata McIntosh, 1876 [SYNONYM SPECIES 2298:84XTY nidx=null parent=6HCCG]
Euphrosinella
 - Euphrosinella [ACCEPTED GENUS 2296:62TFY nidx=null]
 + Euphrosinella Detinova, 1985 [ACCEPTED GENUS 2298:84P37 nidx=null]
Euphrosinidae
 - Euphrosinidae [ACCEPTED FAMILY 2296:623PW nidx=null]
 + Euphrosinidae Williams, 1852 [ACCEPTED FAMILY 2298:84K2Q nidx=null]
Euphrosinopsis
 - Euphrosinopsis [ACCEPTED GENUS 2296:635FY nidx=null]
 + Euphrosinopsis Kudenov, 1993 [ACCEPTED GENUS 2298:84P38 nidx=null]
Euphyllia
 - Euphyllia [ACCEPTED GENUS 2296:4GB9 nidx=null]
 + Euphyllia Dana, 1846 [ACCEPTED GENUS 2298:84MVL nidx=null]
Euphylliidae
 - Euphylliidae [ACCEPTED FAMILY 2296:9YC nidx=null]
 + Euphylliidae Alloiteau, 1952 [ACCEPTED FAMILY 2298:84K6G nidx=null]
Eupilema
 - Eupilema [ACCEPTED GENUS 2296:4GBS nidx=null]
 + Eupilema Haeckel, 1880 [ACCEPTED GENUS 2298:84M5Z nidx=null]
Eupistella
 - Eupistella [ACCEPTED GENUS 2296:4GC8 nidx=null]
 + Eupistella Chamberlin, 1919 [ACCEPTED GENUS 2298:84P3B nidx=null]
Euplectella
 - Euplectella [ACCEPTED GENUS 2296:4GCS nidx=null]
 + Euplectella Owen, 1841 [ACCEPTED GENUS 2298:84MVM nidx=null]
Euplectellidae
 - Euplectellidae [ACCEPTED FAMILY 2296:9YF nidx=null]
 + Euplectellidae Gray, 1867 [ACCEPTED FAMILY 2298:84K2R nidx=null]
Euplexaura
 - Euplexaura [ACCEPTED GENUS 2296:62T83 nidx=null]
 + Euplexaura Verrill, 1869 [ACCEPTED GENUS 2298:84MVN nidx=null]
Eupolia abyssorum
 - Eupolia abyssorum [SYNONYM SPECIES 2296:3CWT6 nidx=null parent=68CV3]
 + Eupolia abyssorum Joubin, 1902 [SYNONYM SPECIES 2298:84XV4 nidx=null parent=68CV3]
Eupolia alpha
 - Eupolia alpha [SYNONYM SPECIES 2296:3CWT7 nidx=null parent=68D6R]
 + Eupolia alpha Joubin, 1902 [SYNONYM SPECIES 2298:84XV5 nidx=null parent=68D6R]
Eupolia amboinensis
 - Eupolia amboinensis [SYNONYM SPECIES 2296:3CWT8 nidx=null parent=5WCTV]
 + Eupolia amboinensis Staub, 1900 [SYNONYM SPECIES 2298:84XV6 nidx=null parent=5WCTV]
Eupolia antillensis
 - Eupolia antillensis [SYNONYM SPECIES 2296:6HCL4 nidx=null parent=5WD6Q]
 + Eupolia antillensis Bürger, 1895 [AMBIGUOUS_SYNONYM SPECIES 2298:84XV7 nidx=null parent=5WD6Q]
Eupolia ascophora
 - Eupolia ascophora [SYNONYM SPECIES 2296:3CWTB nidx=null parent=5WCTV]
 + Eupolia ascophora Bürger, 1890 [SYNONYM SPECIES 2298:84XV8 nidx=null parent=5WCTV]
Eupolia aurea
 - Eupolia aurea [SYNONYM SPECIES 2296:3CWTC nidx=null parent=5WD72]
 + Eupolia aurea Bürger, 1896 [SYNONYM SPECIES 2298:84XV9 nidx=null parent=5WD72]
Eupolia australis
 - Eupolia australis [SYNONYM SPECIES 2296:3CWTD nidx=null parent=68CV2]
 + Eupolia australis Hubrecht, 1887 [SYNONYM SPECIES 2298:84XVB nidx=null parent=68CV2]
Eupolia brocki
 - Eupolia brocki [SYNONYM SPECIES 2296:3CWTF nidx=null parent=68D67]
 + Eupolia brocki ? [SYNONYM SPECIES 2298:84XVD nidx=null parent=68D67]
Eupolia brockii
 - Eupolia brockii [SYNONYM SPECIES 2296:6HCKX nidx=null parent=68D67]
 + Eupolia brockii Bürger, 1890 [SYNONYM SPECIES 2298:84XVC nidx=null parent=68D67]
Eupolia filholi
 - Eupolia filholi [SYNONYM SPECIES 2296:3CWTH nidx=null parent=68CTV]
 + Eupolia filholi Joubin, 1902 [SYNONYM SPECIES 2298:84XVF nidx=null parent=68CTV]
Eupolia giardii
 - Eupolia giardii [SYNONYM SPECIES 2296:3CWTJ nidx=null parent=68D5V]
 + Eupolia giardii Hubrecht, 1887 [SYNONYM SPECIES 2298:84XVG nidx=null parent=68D5V]
Eupolia hemprichi
 - Eupolia hemprichi [SYNONYM SPECIES 2296:3CWTK nidx=null parent=68D67]
 + Eupolia hemprichi ? [SYNONYM SPECIES 2298:84XVH nidx=null parent=68D67]
Eupolia indica
 - Eupolia indica [SYNONYM SPECIES 2296:3CWTL nidx=null parent=5WD66]
 + Eupolia indica Punnett, 1903 [SYNONYM SPECIES 2298:84XVJ nidx=null parent=5WD66]
Eupolia maculosa
 - Eupolia maculosa [SYNONYM SPECIES 2296:3CWTN nidx=null parent=68D5T]
 + Eupolia maculosa Bürger, 1895 [SYNONYM SPECIES 2298:84XVK nidx=null parent=68D5T]
Eupolia mediolineata
 - Eupolia mediolineata [SYNONYM SPECIES 2296:3CWTP nidx=null parent=68D67]
 + Eupolia mediolineata Bürger, 1893 [SYNONYM SPECIES 2298:84XVL nidx=null parent=68D67]
Eupolia melanogramma
 - Eupolia melanogramma [SYNONYM SPECIES 2296:3CWTQ nidx=null parent=68D5Y]
 + Eupolia melanogramma Punnett, 1900 [SYNONYM SPECIES 2298:84XVM nidx=null parent=68D5Y]
Eupolia mexicana
 - Eupolia mexicana [SYNONYM SPECIES 2296:3CWTR nidx=null parent=5WCTS]
 + Eupolia mexicana Bürger, 1893 [SYNONYM SPECIES 2298:84XVN nidx=null parent=84TT7]
Eupolia minor
 - Eupolia minor [SYNONYM SPECIES 2296:3CWTS nidx=null parent=5WD64]
 + Eupolia minor Hubrecht, 1879 [SYNONYM SPECIES 2298:84XVP nidx=null parent=5WD64]
Eupolia multiporata
 - Eupolia multiporata [SYNONYM SPECIES 2296:3CWTT nidx=null parent=68CTS]
 + Eupolia multiporata Punnett, 1900 [SYNONYM SPECIES 2298:84XVQ nidx=null parent=68CTS]
Eupolia nipponensis
 - Eupolia nipponensis [SYNONYM SPECIES 2296:6HCL9 nidx=null parent=68D5S]
 + Eupolia nipponensis Hubrecht, 1887 [SYNONYM SPECIES 2298:84XVR nidx=null parent=68D5S]
Eupolia novemlineata
 - Eupolia novemlineata [SYNONYM SPECIES 2296:3CWTV nidx=null parent=68D5Y]
 + Eupolia novemlineata Bürger, 1893 [SYNONYM SPECIES 2298:84XVS nidx=null parent=68D5Y]
Eupolia pallida
 - Eupolia pallida [SYNONYM SPECIES 2296:3CWTW nidx=null parent=5WD5Z]
 + Eupolia pallida Isler, 1900 [SYNONYM SPECIES 2298:84XVT nidx=null parent=5WD5Z]
Eupolia pholidota
 - Eupolia pholidota [SYNONYM SPECIES 2296:3CWTY nidx=null parent=68D5Z]
 + Eupolia pholidota Punnett, 1900 [SYNONYM SPECIES 2298:84XVV nidx=null parent=68D5Z]
Eupolia platei
 - Eupolia platei [SYNONYM SPECIES 2296:3CWTZ nidx=null parent=5WCTY]
 + Eupolia platei Bürger, 1896 [SYNONYM SPECIES 2298:84XVW nidx=null parent=5WCTY]
Eupolia quinquelineata
 - Eupolia quinquelineata [SYNONYM SPECIES 2296:6HCKY nidx=null parent=68D5Y]
 + Eupolia quinquelineata ? [SYNONYM SPECIES 2298:84XVX nidx=null parent=68D5Y]
Eupolia rugosa
 - Eupolia rugosa [SYNONYM SPECIES 2296:6HCKV nidx=null parent=5WCTX]
 + Eupolia rugosa Punnett, 1900 [SYNONYM SPECIES 2298:84XVY nidx=null parent=5WCTX]
Eupolia sulcata
 - Eupolia sulcata [SYNONYM SPECIES 2296:6HCL7 nidx=null parent=68CTX]
 + Eupolia sulcata Isler, 1900 [SYNONYM SPECIES 2298:84XVZ nidx=null parent=68CTX]
Eupolia unistriata
 - Eupolia unistriata [SYNONYM SPECIES 2296:6HCL8 nidx=null parent=5WCTW]
 + Eupolia unistriata Isler, 1900 [SYNONYM SPECIES 2298:84XW2 nidx=null parent=5WCTW]
Eupolycope
 - Eupolycope [ACCEPTED GENUS 2296:62T87 nidx=null]
 + Eupolycope Chavtur, 1981 [ACCEPTED GENUS 2298:84P3C nidx=null]
Eupolymnia
 - Eupolymnia [ACCEPTED GENUS 2296:634VV nidx=null]
 + Eupolymnia Verrill, 1900 [ACCEPTED GENUS 2298:84MVV nidx=null]
Eupolyodontes
 - Eupolyodontes [ACCEPTED GENUS 2296:63587 nidx=null]
 + Eupolyodontes Buchanan, 1894 [ACCEPTED GENUS 2298:84MVX nidx=null]
Eupraxillella
 - Eupraxillella [ACCEPTED GENUS 2296:62T7W nidx=null]
 + Eupraxillella Hartmann-Schröder & Rosenfeldt, 1989 [ACCEPTED GENUS 2298:84P3D nidx=null]
Euratella
 - Euratella [ACCEPTED GENUS 2296:62T89 nidx=null]
 + Euratella Chamberlin, 1919 [ACCEPTED GENUS 2298:84MW2 nidx=null]
Eurete
 - Eurete [ACCEPTED GENUS 2296:4GJT nidx=null]
 + Eurete Semper, 1868 [ACCEPTED GENUS 2298:84MW3 nidx=null]
Euretidae
 - Euretidae [ACCEPTED FAMILY 2296:9YV nidx=null]
 + Euretidae Zittel, 1877 [ACCEPTED FAMILY 2298:84K2T nidx=null]
Euritmia
 - Euritmia [ACCEPTED GENUS 2296:4GLK nidx=null]
 + Euritmia Sarda-Borroy, 1987 [ACCEPTED GENUS 2298:84P3J nidx=null]
Eurotanais
 - Eurotanais [ACCEPTED GENUS 2296:4GN7 nidx=null]
 + Eurotanais Sánchez-García, Peñalver & Delclòs, 2015 [ACCEPTED GENUS 2298:84P3K nidx=null]
Eurycyde
 - Eurycyde [ACCEPTED GENUS 2296:4GRL nidx=null]
 + Eurycyde Schiödte, 1857 [ACCEPTED GENUS 2298:84MWD nidx=null]
Euryplegma
 - Euryplegma [ACCEPTED GENUS 2296:4GWY nidx=null]
 + Euryplegma Schulze, 1886 [ACCEPTED GENUS 2298:84MWJ nidx=null]
Eurypon
 - Eurypon [ACCEPTED GENUS 2296:4GXB nidx=null]
 + Eurypon Gray, 1867 [ACCEPTED GENUS 2298:84MWK nidx=null]
Eurypylus
 - Eurypylus [ACCEPTED GENUS 2296:62SWR nidx=null]
 + Eurypylus Brady, 1869 [ACCEPTED GENUS 2298:84MWL nidx=null]
Euryspongia
 - Euryspongia [ACCEPTED GENUS 2296:4GYS nidx=null]
 + Euryspongia Row, 1911 [ACCEPTED GENUS 2298:84MWM nidx=null]
Eurysyllis
 - Eurysyllis [ACCEPTED GENUS 2296:4GZM nidx=null]
 + Eurysyllis Ehlers, 1864 [ACCEPTED GENUS 2298:84MWQ nidx=null]
Eurythoe
 - Eurythoe [ACCEPTED GENUS 2296:4H29 nidx=null]
 + Eurythoe Kinberg, 1857 [ACCEPTED GENUS 2298:84MWR nidx=null]
Eurythoe borealis
 - Eurythoe borealis [SYNONYM SPECIES 2296:3D775 nidx=null parent=763JD]
 + Eurythoe borealis M. Sars, 1862 [SYNONYM SPECIES 2298:84XW8 nidx=null parent=763JD]
Eusamythella
 - Eusamythella [ACCEPTED GENUS 2296:62T94 nidx=null]
 + Eusamythella Hartman, 1971 [ACCEPTED GENUS 2298:84MWS nidx=null]
Eusarsiella
 - Eusarsiella [ACCEPTED GENUS 2296:4H3P nidx=null]
 + Eusarsiella Cohen & Kornicker, 1975 [ACCEPTED GENUS 2298:84MWT nidx=null]
Euscenium
 - Euscenium [ACCEPTED GENUS 2296:4H4F nidx=null]
 + Euscenium Haeckel, 1887 [ACCEPTED GENUS 2298:84P3Q nidx=null]
Eusmilia
 - Eusmilia [ACCEPTED GENUS 2296:4H5V nidx=null]
 + Eusmilia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84MWW nidx=null]
Euspongia officinalis var. mollissima
 - Euspongia officinalis var. mollissima (Schmidt, 1862) [SYNONYM VARIETY 2296:5NWN7 nidx=null parent=6ZBNB]
 + Euspongia officinalis var. mollissima (Schmidt, 1862) [SYNONYM VARIETY 2298:852TL nidx=null parent=85LDZ]
Eusyllis
 - Eusyllis [ACCEPTED GENUS 2296:4H97 nidx=null]
 + Eusyllis Malmgren, 1867 [ACCEPTED GENUS 2298:84MWX nidx=null]
Eusyllis monilicornis
 - Eusyllis monilicornis Saint Joseph, 1887 [SYNONYM SPECIES 2296:3DBPH nidx=null parent=3DBNN]
 + Eusyllis monilicornis Malmgren, 1867 [SYNONYM SPECIES 2298:84XWB nidx=null parent=3DBNR]
Euthalenessa
 - Euthalenessa [ACCEPTED GENUS 2296:4HB8 nidx=null]
 + Euthalenessa Darboux, 1900 [ACCEPTED GENUS 2298:84P3T nidx=null]
Euthelepus
 - Euthelepus [ACCEPTED GENUS 2296:4HBK nidx=null]
 + Euthelepus McIntosh, 1885 [ACCEPTED GENUS 2298:84MWY nidx=null]
Euzonus (Thoracophelia) furcifera
 - Euzonus (Thoracophelia) furcifera (Ehlers, 1897) [ACCEPTED SPECIES 2296:6HLRW nidx=null]
 + Euzonus (Thoracophelia) furcifera (Ehlers, 1897) [SYNONYM SPECIES 2298:84XWW nidx=null parent=56KB7]
Euzonus (Thoracophelia) heterocirrus
 - Euzonus (Thoracophelia) heterocirrus Rozbaczylo & Zamorano, 1970 [ACCEPTED SPECIES 2296:3DG4B nidx=null]
 + Euzonus (Thoracophelia) heterocirrus Rozbaczylo & Zamorano, 1970 [SYNONYM SPECIES 2298:84XWX nidx=null parent=56KB8]
Euzonus (Thoracophelia) profundus
 - Euzonus (Thoracophelia) profundus Hartman, 1967 [ACCEPTED SPECIES 2296:3DG4D nidx=null]
 + Euzonus (Thoracophelia) profundus Hartman, 1967 [SYNONYM SPECIES 2298:84XWY nidx=null parent=56KBF]
Evelineus
 - Evelineus [ACCEPTED GENUS 2296:4HMB nidx=null]
 + Evelineus Corrêa, 1954 [ACCEPTED GENUS 2298:84P3Y nidx=null]
Exallopus
 - Exallopus [ACCEPTED GENUS 2296:4HQT nidx=null]
 + Exallopus Jumars, 1974 [ACCEPTED GENUS 2298:84MX6 nidx=null]
Exogone
 - Exogone [ACCEPTED SUBGENUS 2296:4HXB nidx=null]
 - Exogone [ACCEPTED GENUS 2296:4HXC nidx=null]
 + Exogone Örsted, 1845 [ACCEPTED GENUS 2298:84MX9 nidx=null]
Exogone (Exogone) acerata
 - Exogone (Exogone) acerata San Martín & Parapar, 1990 [ACCEPTED SPECIES 2296:3DNCN nidx=null]
 + Exogone (Exogone) acerata San Martín & Parapar, 1990 [SYNONYM SPECIES 2298:84XX3 nidx=null parent=84XXK]
Exogone (Exogone) arrakatarkoola
 - Exogone (Exogone) arrakatarkoola San Martín, 2005 [ACCEPTED SPECIES 2296:3DNCP nidx=null]
 + Exogone (Exogone) arrakatarkoola San Martín, 2005 [SYNONYM SPECIES 2298:84XX4 nidx=null parent=85DDC]
Exogone (Exogone) bondi
 - Exogone (Exogone) bondi Ruíz-Ramírez & Salazar-Vallejo, 2001 [ACCEPTED SPECIES 2296:3DNCQ nidx=null]
 + Exogone (Exogone) bondi Ruíz-Ramírez & Salazar-Vallejo, 2001 [SYNONYM SPECIES 2298:84XX5 nidx=null parent=6HN8Z]
Exogone (Exogone) breviantennata
 - Exogone (Exogone) breviantennata Hartmann-Schröder, 1959 [ACCEPTED SPECIES 2296:3DNCR nidx=null]
 + Exogone (Exogone) breviantennata Hartmann-Schröder, 1959 [SYNONYM SPECIES 2298:84XX6 nidx=null parent=84XXM]
Exogone (Exogone) dwisula
 - Exogone (Exogone) dwisula Kudenov & Harris, 1995 [ACCEPTED SPECIES 2296:3DNCT nidx=null]
 + Exogone (Exogone) dwisula Kudenov & Harris, 1995 [SYNONYM SPECIES 2298:84XX7 nidx=null parent=84XXQ]
Exogone (Exogone) goorapuranga
 - Exogone (Exogone) goorapuranga San Martín, 2005 [ACCEPTED SPECIES 2296:3DNCV nidx=null]
 + Exogone (Exogone) goorapuranga San Martín, 2005 [SYNONYM SPECIES 2298:84XX8 nidx=null parent=85DDD]
Exogone (Exogone) rolani
 - Exogone (Exogone) rolani San Martín, 1991 [ACCEPTED SPECIES 2296:6HMX7 nidx=null]
 + Exogone (Exogone) rolani San Martín, 1991 [SYNONYM SPECIES 2298:84XX9 nidx=null parent=3DNFZ]
Exogone (Parexogone) acutipalpa
 - Exogone (Parexogone) acutipalpa Kudenov & Harris, 1995 [ACCEPTED SPECIES 2296:3DNDF nidx=null]
 + Exogone (Parexogone) acutipalpa Kudenov & Harris, 1995 [SYNONYM SPECIES 2298:84XXB nidx=null parent=85F5K]
Exogone (Parexogone) annamurrayae
 - Exogone (Parexogone) annamurrayae San Martín, 2005 [ACCEPTED SPECIES 2296:3DNDG nidx=null]
 + Exogone (Parexogone) annamurrayae San Martín, 2005 [SYNONYM SPECIES 2298:84XXC nidx=null parent=85F5L]
Exogone (Parexogone) breviseta
 - Exogone (Parexogone) breviseta Kudenov & Harris, 1995 [ACCEPTED SPECIES 2296:3DNDH nidx=null]
 + Exogone (Parexogone) breviseta Kudenov & Harris, 1995 [SYNONYM SPECIES 2298:84XXD nidx=null parent=85F5M]
Exogone (Parexogone) canyonincolae
 - Exogone (Parexogone) canyonincolae Sardá, Gil, Taboada & Gili, 2009 [ACCEPTED SPECIES 2296:3DNDK nidx=null]
 + Exogone (Parexogone) canyonincolae Sardá, Gil, Taboada & Gili, 2009 [SYNONYM SPECIES 2298:84XXF nidx=null parent=85F5N]
Exogone (Parexogone) cognettii
 - Exogone (Parexogone) cognettii Castelli, Badalamenti & Lardici, 1987 [ACCEPTED SPECIES 2296:3DNDM nidx=null]
 + Exogone (Parexogone) cognettii Castelli, Badalamenti & Lardici, 1987 [SYNONYM SPECIES 2298:84XXG nidx=null parent=85F5P]
Exogone (Parexogone) mediterranea
 - Exogone (Parexogone) mediterranea San Martín, 1984 [SYNONYM SPECIES 2296:3DNDS nidx=null parent=3DNDT]
 + Exogone (Parexogone) mediterranea San Martín, 1984 [SYNONYM SPECIES 2298:84XXH nidx=null parent=85F5Q]
Exogone (Parexogone) meridionalis
 - Exogone (Parexogone) meridionalis Cognetti, 1955 [ACCEPTED SPECIES 2296:3DNDT nidx=null]
 + Exogone (Parexogone) meridionalis Cognetti, 1955 [SYNONYM SPECIES 2298:84XXJ nidx=null parent=85F5Q]
Exogone acerata
 - Exogone acerata San Martín & Parapar, 1990 [SYNONYM SPECIES 2296:6HMWT nidx=null parent=3DNCN]
 + Exogone acerata San Martín & Parapar, 1990 [ACCEPTED SPECIES 2298:84XXK nidx=null]
Exogone acutipalpa
 - Exogone acutipalpa Kudenov & Harris, 1995 [SYNONYM SPECIES 2296:6HMX5 nidx=null parent=3DNDF]
 + Exogone acutipalpa Kudenov & Harris, 1995 [SYNONYM SPECIES 2298:84XXL nidx=null parent=85F5K]
Exogone breviantennata
 - Exogone breviantennata Hartmann-Schröder, 1959 [SYNONYM SPECIES 2296:6HMWX nidx=null parent=3DNCR]
 + Exogone breviantennata Hartmann-Schröder, 1959 [ACCEPTED SPECIES 2298:84XXM nidx=null]
Exogone breviseta
 - Exogone breviseta Kudenov & Harris, 1995 [SYNONYM SPECIES 2296:6HN99 nidx=null parent=3DNDH]
 + Exogone breviseta Kudenov & Harris, 1995 [SYNONYM SPECIES 2298:84XXN nidx=null parent=85F5M]
Exogone cognettii
 - Exogone cognettii Castelli, Bandalamenti & Lardicci, 1987 [SYNONYM SPECIES 2296:6HN8N nidx=null parent=3DNDM]
 + Exogone cognettii Castelli, Bandalamenti & Lardicci, 1987 [SYNONYM SPECIES 2298:84XXP nidx=null parent=85F5P]
Exogone dwisula
 - Exogone dwisula Kudenov & Harris, 1995 [SYNONYM SPECIES 2296:6HMWM nidx=null parent=3DNCT]
 + Exogone dwisula Kudenov & Harris, 1995 [ACCEPTED SPECIES 2298:84XXQ nidx=null]
Exogone hebes meridionalis
 - Exogone hebes meridionalis Cognetti, 1955 [SYNONYM SUBSPECIES 2296:5HBHN nidx=null parent=3DNDT]
 + Exogone hebes meridionalis Cognetti, 1955 [SYNONYM SUBSPECIES 2298:852QH nidx=null parent=85F5Q]
Exogone mediterranea
 - Exogone mediterranea San Martín, 1984 [SYNONYM SPECIES 2296:3DNFG nidx=null parent=3DNDT]
 + Exogone mediterranea San Martín, 1984 [SYNONYM SPECIES 2298:84XXR nidx=null parent=85F5Q]
Exogone parahomoseta mediterranea
 - Exogone parahomoseta mediterranea San Martín, 1984 [SYNONYM SUBSPECIES 2296:5HBHP nidx=null parent=3DNDT]
 + Exogone parahomoseta mediterranea San Martín, 1984 [SYNONYM SUBSPECIES 2298:852QJ nidx=null parent=85F5Q]
Exogonita
 - Exogonita [ACCEPTED GENUS 2296:4HXF nidx=null]
 + Exogonita Hartman & Fauchald, 1971 [ACCEPTED GENUS 2298:84P43 nidx=null]
Exogonoides
 - Exogonoides [ACCEPTED GENUS 2296:4HXG nidx=null]
 + Exogonoides Day, 1963 [ACCEPTED GENUS 2298:84P44 nidx=null]
Exposterocythere
 - Exposterocythere [ACCEPTED GENUS 2296:4J35 nidx=null]
 + Exposterocythere Whatley, Ballent & Maybury, 1995 [ACCEPTED GENUS 2298:84P46 nidx=null]
Exposterocythere margaritata
 - Exposterocythere margaritata (Kroemmelbein, 1975) Whatley, Ballent & Maybury, 1 [ACCEPTED SPECIES 2296:3DQJ8 nidx=null]
 + Exposterocythere margaritata (Kroemmelbein, 1975) Whatley, Ballent & Maybury, 1995 [ACCEPTED SPECIES 2298:84XXV nidx=null]
Exposterocythere queenslandensis
 - Exposterocythere queenslandensis (Kroemmelbein, 1975) Whatley, Ballent & Maybury, 1 [ACCEPTED SPECIES 2296:3DQJ9 nidx=null]
 + Exposterocythere queenslandensis (Kroemmelbein, 1975) Whatley, Ballent & Maybury, 1995 [ACCEPTED SPECIES 2298:84XXW nidx=null]
Exspina
 - Exspina [ACCEPTED GENUS 2296:4J3D nidx=null]
 + Exspina Lang, 1968 [ACCEPTED GENUS 2298:84MXC nidx=null]
Exsuperantia
 - Exsuperantia [ACCEPTED GENUS 2296:4J3G nidx=null]
 + Exsuperantia Özdikmen, 2009 [ACCEPTED GENUS 2298:84P47 nidx=null]
Ezziona
 - Ezziona [ACCEPTED GENUS 2296:4J5J nidx=null]
 + Ezziona Alderslade & Janes, 2017 [ACCEPTED GENUS 2298:84P49 nidx=null]
Fabaeformiscandona
 - Fabaeformiscandona [ACCEPTED GENUS 2296:4J5M nidx=null]
 + Fabaeformiscandona Krstic, 1972 [ACCEPTED GENUS 2298:84MXG nidx=null]
Fabespora
 - Fabespora [ACCEPTED GENUS 2296:62T9P nidx=null]
 + Fabespora Naidenova & Zaika, 1969 [ACCEPTED GENUS 2298:84P4D nidx=null]
Fabesporidae
 - Fabesporidae [ACCEPTED FAMILY 2296:623R5 nidx=null]
 + Fabesporidae Naidenova & Zaika, 1969 [ACCEPTED FAMILY 2298:84K6K nidx=null]
Fabricia
 - Fabricia [ACCEPTED GENUS 2296:634XP nidx=null]
 + Fabricia Blainville, 1828 [ACCEPTED GENUS 2298:84MXH nidx=null]
Fabriciidae
 - Fabriciidae [ACCEPTED FAMILY 2296:6242T nidx=null]
 + Fabriciidae Rioja, 1923 [ACCEPTED FAMILY 2298:84K2V nidx=null]
Fabriciola
 - Fabriciola [ACCEPTED GENUS 2296:4J6D nidx=null]
 + Fabriciola Friedrich, 1939 [ACCEPTED GENUS 2298:84MXJ nidx=null]
Fabriciola berkeleyi
 - Fabriciola berkeleyi Banse, 1956 [ACCEPTED SPECIES 2296:3DR6S nidx=null]
 + Fabriciola berkeleyi Banse, 1956 [SYNONYM SPECIES 2298:84WND nidx=null parent=85FC5]
Fabriciola brevibranchiata
 - Fabriciola brevibranchiata Fitzhugh, 1992 [ACCEPTED SPECIES 2296:6HM8H nidx=null]
 + Fabriciola brevibranchiata Fitzhugh, 1992 [SYNONYM SPECIES 2298:84XXX nidx=null parent=85FC6]
Fabriciola cri
 - Fabriciola cri Rouse, 1996 [ACCEPTED SPECIES 2296:3DR6W nidx=null]
 + Fabriciola cri Rouse, 1996 [SYNONYM SPECIES 2298:84XXY nidx=null parent=85FC7]
Fabriciola flammula
 - Fabriciola flammula Rouse, 1993 [ACCEPTED SPECIES 2296:3DR6X nidx=null]
 + Fabriciola flammula Rouse, 1993 [SYNONYM SPECIES 2298:84XXZ nidx=null parent=85FC8]
Fabriciola ghardaqa
 - Fabriciola ghardaqa Banse, 1959 [ACCEPTED SPECIES 2296:3DR6Y nidx=null]
 + Fabriciola ghardaqa Banse, 1959 [SYNONYM SPECIES 2298:84WNF nidx=null parent=85FC9]
Fabriciola mediaseta
 - Fabriciola mediaseta Fitzhugh, 1990 [ACCEPTED SPECIES 2296:3DR72 nidx=null]
 + Fabriciola mediaseta Fitzhugh, 1990 [SYNONYM SPECIES 2298:84XY2 nidx=null parent=85FCB]
Fabriciola phuketensis
 - Fabriciola phuketensis Fitzhugh, 1999 [ACCEPTED SPECIES 2296:3DR77 nidx=null]
 + Fabriciola phuketensis Fitzhugh, 1999 [SYNONYM SPECIES 2298:84XY3 nidx=null parent=85FCC]
Fabriciola rubra
 - Fabriciola rubra Fitzhugh, 1998 [ACCEPTED SPECIES 2296:3DR78 nidx=null]
 + Fabriciola rubra Fitzhugh, 1998 [SYNONYM SPECIES 2298:84XY4 nidx=null parent=85FCD]
Fabriciola tonerella
 - Fabriciola tonerella Banse, 1956 [ACCEPTED SPECIES 2296:6HLWF nidx=null]
 + Fabriciola tonerella Banse, 1959 [SYNONYM SPECIES 2298:84WNG nidx=null parent=85FCF]
Fabrisabella
 - Fabrisabella [ACCEPTED GENUS 2296:4J6G nidx=null]
 + Fabrisabella Hartman, 1969 [ACCEPTED GENUS 2298:84MXK nidx=null]
Fageapseudes
 - Fageapseudes [ACCEPTED GENUS 2296:4J7H nidx=null]
 + Fageapseudes Bacescu & Gutu, 1971 [ACCEPTED GENUS 2298:84P4F nidx=null]
Falcatoflabellum
 - Falcatoflabellum [ACCEPTED GENUS 2296:4J98 nidx=null]
 + Falcatoflabellum Cairns, 1995 [ACCEPTED GENUS 2298:84MXL nidx=null]
Falklandiella annulata
 - Falklandiella annulata Hartman, 1967 [ACCEPTED SPECIES 2296:6HNQM nidx=null]
 + Falklandiella annulata Hartman, 1967 [SYNONYM SPECIES 2298:84XY6 nidx=null parent=74RHS]
Fallacihowella
 - Fallacihowella [ACCEPTED GENUS 2296:4JBD nidx=null]
 + Fallacihowella Jellinek & Swanson, 2003 [ACCEPTED GENUS 2298:84P4K nidx=null]
Falsapseudes
 - Falsapseudes [ACCEPTED GENUS 2296:4JCB nidx=null]
 + Falsapseudes Gutu, 2006 [ACCEPTED GENUS 2298:84P4L nidx=null]
Falsobuntonia
 - Falsobuntonia [ACCEPTED GENUS 2296:4JDF nidx=null]
 + Falsobuntonia Malz, 1982 [ACCEPTED GENUS 2298:84P4M nidx=null]
Falsocythere
 - Falsocythere [ACCEPTED GENUS 2296:4JDP nidx=null]
 + Falsocythere Ruggieri, 1972 [ACCEPTED GENUS 2298:84P4N nidx=null]
Fangophilina
 - Fangophilina [ACCEPTED GENUS 2296:4JFM nidx=null]
 + Fangophilina Schmidt, 1880 [ACCEPTED GENUS 2298:84MXP nidx=null]
Fannyella
 - Fannyella [ACCEPTED GENUS 2296:634ZJ nidx=null]
 + Fannyella Gray, 1872 [ACCEPTED GENUS 2298:84P4P nidx=null]
Farrea
 - Farrea [ACCEPTED GENUS 2296:4JHL nidx=null]
 + Farrea Bowerbank, 1862 [ACCEPTED GENUS 2298:84MXR nidx=null]
Farreidae
 - Farreidae [ACCEPTED FAMILY 2296:623QY nidx=null]
 + Farreidae Gray, 1872 [ACCEPTED FAMILY 2298:84K2W nidx=null]
Fascaplysinopsis
 - Fascaplysinopsis [ACCEPTED GENUS 2296:4JJ8 nidx=null]
 + Fascaplysinopsis Bergquist, 1980 [ACCEPTED GENUS 2298:84MXS nidx=null]
Fasciclia
 - Fasciclia [ACCEPTED GENUS 2296:4JJD nidx=null]
 + Fasciclia Janes, 2008 [ACCEPTED GENUS 2298:84P4R nidx=null]
Fasciculonemertes
 - Fasciculonemertes [ACCEPTED GENUS 2296:4JJP nidx=null]
 + Fasciculonemertes Sanchez & Cancino, 1980 [ACCEPTED GENUS 2298:84P4S nidx=null]
Fasciospongia
 - Fasciospongia [ACCEPTED GENUS 2296:4JK2 nidx=null]
 + Fasciospongia Burton, 1934 [ACCEPTED GENUS 2298:84MXT nidx=null]
Fastuoscolex
 - Fastuoscolex [ACCEPTED GENUS 2296:4JKJ nidx=null]
 + Fastuoscolex Thompson, 1979 [ACCEPTED GENUS 2298:84P4T nidx=null]
Fauchaldius
 - Fauchaldius [ACCEPTED GENUS 2296:4JKV nidx=null]
 + Fauchaldius Carrera-Parra & Salazar Vallejo, 1998 [ACCEPTED GENUS 2298:84P4V nidx=null]
Fauchaldonuphis
 - Fauchaldonuphis [ACCEPTED GENUS 2296:4JKW nidx=null]
 + Fauchaldonuphis Paxton, 2005 [ACCEPTED GENUS 2298:84P4W nidx=null]
Fauvelia
 - Fauvelia [ACCEPTED GENUS 2296:4JM6 nidx=null]
 + Fauvelia Gravier, 1900 [ACCEPTED GENUS 2298:84MXV nidx=null]
Fauvelicirratulus
 - Fauvelicirratulus [ACCEPTED GENUS 2296:4JM7 nidx=null]
 + Fauvelicirratulus Çinar & Petersen, 2011 [ACCEPTED GENUS 2298:84P4Z nidx=null]
Fauveliopsidae
 - Fauveliopsidae [ACCEPTED FAMILY 2296:623QH nidx=null]
 + Fauveliopsidae Hartman, 1971 [ACCEPTED FAMILY 2298:84K2X nidx=null]
Fauveliopsis
 - Fauveliopsis [ACCEPTED GENUS 2296:4JM8 nidx=null]
 + Fauveliopsis McIntosh, 1922 [ACCEPTED GENUS 2298:84MXW nidx=null]
Fauveliopsis arabica
 - Fauveliopsis arabica Hartman, 1976 [ACCEPTED SPECIES 2296:3DW9X nidx=null]
 + Fauveliopsis arabica Hartman, 1976 [SYNONYM SPECIES 2298:84XY7 nidx=null parent=85FBZ]
Fauveliopsis confusa
 - Fauveliopsis confusa Thiel, Purschke & Böggemann, 2011 [ACCEPTED SPECIES 2296:6HPBL nidx=null]
 + Fauveliopsis confusa Thiel, Purschke & Böggemann, 2011 [SYNONYM SPECIES 2298:84XY8 nidx=null parent=85FC2]
Fauveliopsis fauchaldi
 - Fauveliopsis fauchaldi Katzmann & Laubier, 1974 [ACCEPTED SPECIES 2296:6HPBM nidx=null]
 + Fauveliopsis fauchaldi Katzmann & Laubier, 1974 [SYNONYM SPECIES 2298:84XY9 nidx=null parent=85DVK]
Favia
 - Favia [ACCEPTED GENUS 2296:62SNH nidx=null]
 + Favia De Blainville, 1820 [ACCEPTED GENUS 2298:84MXY nidx=null]
Faviidae
 - Faviidae [ACCEPTED FAMILY 2296:623RK nidx=null]
 + Faviidae Milne Edwards & Haime, 1857 [ACCEPTED FAMILY 2298:84K2Y nidx=null]
Favites
 - Favites [ACCEPTED GENUS 2296:4JMK nidx=null]
 + Favites Link, 1807 [ACCEPTED GENUS 2298:84MXZ nidx=null]
Fellia
 - Fellia [ACCEPTED GENUS 2296:4JQM nidx=null]
 + Fellia Poulsen, 1969 [ACCEPTED GENUS 2298:84MY3 nidx=null]
Fenestraspongia
 - Fenestraspongia [ACCEPTED GENUS 2296:4JRQ nidx=null]
 + Fenestraspongia Bergquist, 1980 [ACCEPTED GENUS 2298:84MY4 nidx=null]
Fernandinacythere
 - Fernandinacythere [ACCEPTED GENUS 2296:634N7 nidx=null]
 + Fernandinacythere Gottwald, 1983 [ACCEPTED GENUS 2298:84P53 nidx=null]
Ferricythere
 - Ferricythere [ACCEPTED GENUS 2296:4JVG nidx=null]
 + Ferricythere Hu & Tao, 2008 [ACCEPTED GENUS 2298:84P54 nidx=null]
Fibulia
 - Fibulia [ACCEPTED GENUS 2296:4JXT nidx=null]
 + Fibulia Carter, 1886 [ACCEPTED GENUS 2298:84MY6 nidx=null]
Fibulia ectyofibrosa
 - Fibulia ectyofibrosa [SYNONYM SPECIES 2296:6HV7Y nidx=null parent=6N9NP]
 + Fibulia ectyofibrosa (Lévi, 1963) [SYNONYM SPECIES 2298:84XYH nidx=null parent=6N9NP]
Ficopomatus
 - Ficopomatus [ACCEPTED GENUS 2296:4JYR nidx=null]
 + Ficopomatus Southern, 1921 [ACCEPTED GENUS 2298:84MY7 nidx=null]
Fieldingia
 - Fieldingia [ACCEPTED GENUS 2296:4JZK nidx=null]
 + Fieldingia Kent, 1870 [ACCEPTED GENUS 2298:84MY8 nidx=null]
Fieldingiidae
 - Fieldingiidae [ACCEPTED FAMILY 2296:623S6 nidx=null]
 + Fieldingiidae Tabachnick & Janussen, 2004 [ACCEPTED FAMILY 2298:84K6L nidx=null]
Filibranchus roseus
 - Filibranchus roseus Malm, 1874 [ACCEPTED SPECIES 2296:6J2VF nidx=null]
 + Filibranchus roseus Malm, 1874 [SYNONYM SPECIES 2298:84XYJ nidx=null parent=589X4]
Filigorgia
 - Filigorgia [ACCEPTED GENUS 2296:4K3V nidx=null]
 + Filigorgia Stiasny, 1937 [ACCEPTED GENUS 2298:84P58 nidx=null]
Filitanais
 - Filitanais [ACCEPTED GENUS 2296:4K4Q nidx=null]
 + Filitanais Kudinova-Pasternak, 1973 [ACCEPTED GENUS 2298:84MY9 nidx=null]
Filograna
 - Filograna [ACCEPTED GENUS 2296:4K4Z nidx=null]
 + Filograna Berkeley, 1835 [ACCEPTED GENUS 2298:84MYC nidx=null]
Filogranella
 - Filogranella [ACCEPTED GENUS 2296:4K52 nidx=null]
 + Filogranella Ben-Eliahu & Dafni, 1979 [ACCEPTED GENUS 2298:84MYD nidx=null]
Filogranula
 - Filogranula [ACCEPTED GENUS 2296:4K53 nidx=null]
 + Filogranula Langerhans, 1884 [ACCEPTED GENUS 2298:84MYF nidx=null]
Fimbriaphyllia
 - Fimbriaphyllia [ACCEPTED GENUS 2296:4K5G nidx=null]
 + Fimbriaphyllia Veron & Pichon, 1980 [ACCEPTED GENUS 2298:84P5B nidx=null]
Fimbriosthenelais
 - Fimbriosthenelais [ACCEPTED GENUS 2296:4K5R nidx=null]
 + Fimbriosthenelais Pettibone, 1971 [ACCEPTED GENUS 2298:84MYG nidx=null]
Finmarchinella
 - Finmarchinella [ACCEPTED GENUS 2296:4K6B nidx=null]
 + Finmarchinella Swain, 1963 [ACCEPTED GENUS 2298:84MYJ nidx=null]
Fissurituba
 - Fissurituba [ACCEPTED GENUS 2296:4K8N nidx=null]
 + Fissurituba Chiplonkar & Tapaswi, 1973 [ACCEPTED GENUS 2298:84P5F nidx=null]
Flabegraviera
 - Flabegraviera [ACCEPTED GENUS 2296:4K9T nidx=null]
 + Flabegraviera Salazar-Vallejo, 2012 [ACCEPTED GENUS 2298:84P5G nidx=null]
Flabellicytherois
 - Flabellicytherois [ACCEPTED GENUS 2296:62SPS nidx=null]
 + Flabellicytherois Schornikov, 1993 [ACCEPTED GENUS 2298:84P5H nidx=null]
Flabellidae
 - Flabellidae [ACCEPTED FAMILY 2296:623RC nidx=null]
 + Flabellidae Bourne, 1905 [ACCEPTED FAMILY 2298:84K2Z nidx=null]
Flabelliderma
 - Flabelliderma [ACCEPTED GENUS 2296:62SQ4 nidx=null]
 + Flabelliderma Hartman, 1969 [ACCEPTED GENUS 2298:84MYM nidx=null]
Flabelligella
 - Flabelligella [ACCEPTED GENUS 2296:634Q4 nidx=null]
 + Flabelligella Hartman, 1965 [ACCEPTED GENUS 2298:84MYN nidx=null]
Flabelligena
 - Flabelligena [ACCEPTED GENUS 2296:63524 nidx=null]
 + Flabelligena Gillet, 2001 [ACCEPTED GENUS 2298:84P5J nidx=null]
Flabelligera
 - Flabelligera [ACCEPTED GENUS 2296:62SPT nidx=null]
 + Flabelligera Sars, 1829 [ACCEPTED GENUS 2298:84MYP nidx=null]
Flabelligera bofortica
 - Flabelligera bofortica [auct.] [SYNONYM SPECIES 2296:6J6NS nidx=null parent=6J6NR]
 + Flabelligera bofortica [misspelling of bophortica] [SYNONYM SPECIES 2298:84XYL nidx=null parent=6J6NR]
Flabelligera induta
 - Flabelligera induta Ehlers, 1897 [ACCEPTED SPECIES 2296:6J6PJ nidx=null]
 + Flabelligera induta Ehlers, 1897 [SYNONYM SPECIES 2298:84XYM nidx=null parent=85DRN]
Flabelligera mastigophora
 - Flabelligera mastigophora Annenkova, 1952 [ACCEPTED SPECIES 2296:6J6P8 nidx=null]
 + Flabelligera mastigophora Annenkova, 1952 [SYNONYM SPECIES 2298:84WNP nidx=null parent=85DNV]
Flabelligera persimilis
 - Flabelligera persimilis Annenkova-Chlopina, 1924 [ACCEPTED SPECIES 2296:6J72J nidx=null]
 + Flabelligera persimilis Annenkova-Chlopina, 1924 [SYNONYM SPECIES 2298:84XYN nidx=null parent=85DRP]
Flabelligeridae
 - Flabelligeridae [ACCEPTED FAMILY 2296:6243C nidx=null]
 + Flabelligeridae de Saint-Joseph, 1894 [ACCEPTED FAMILY 2298:84K32 nidx=null]
Flabelliseta
 - Flabelliseta [ACCEPTED GENUS 2296:63526 nidx=null]
 + Flabelliseta Hartman, 1978 [ACCEPTED GENUS 2298:84P5K nidx=null]
Flabellum
 - Flabellum [ACCEPTED GENUS 2296:4KB2 nidx=null]
 + Flabellum Lesson, 1831 [ACCEPTED GENUS 2298:84MYQ nidx=null]
Flabesymbios
 - Flabesymbios [ACCEPTED GENUS 2296:4KB3 nidx=null]
 + Flabesymbios Salazar-Vallejo, 2012 [ACCEPTED GENUS 2298:84P5L nidx=null]
Flabetheca
 - Flabetheca [ACCEPTED GENUS 2296:4KB4 nidx=null]
 + Flabetheca Qian & Yin, 1985 [ACCEPTED GENUS 2298:84P5M nidx=null]
Flagelligorgia
 - Flagelligorgia [ACCEPTED GENUS 2296:62T29 nidx=null]
 + Flagelligorgia Cairns & Cordeiro, 2017 [ACCEPTED GENUS 2298:84P5N nidx=null]
Flagellocythere
 - Flagellocythere [ACCEPTED GENUS 2296:4KBK nidx=null]
 + Flagellocythere Hartmann, 1974 [ACCEPTED GENUS 2298:84P5P nidx=null]
Flagellopantopus
 - Flagellopantopus [ACCEPTED GENUS 2296:4KBL nidx=null]
 + Flagellopantopus Poschmann & Dunlop, 2005 [ACCEPTED GENUS 2298:84P5Q nidx=null]
Flaminga
 - Flaminga [ACCEPTED GENUS 2296:4KC5 nidx=null]
 + Flaminga Corrêa, 1957 [ACCEPTED GENUS 2298:84P5R nidx=null]
Flascarpia
 - Flascarpia [ACCEPTED GENUS 2296:4KCR nidx=null]
 + Flascarpia Blake, 1993 [ACCEPTED GENUS 2298:84P5S nidx=null]
Fletcheria
 - Fletcheria [ACCEPTED GENUS 2296:4KFK nidx=null]
 + Fletcheria Okulitch, 1937 [ACCEPTED GENUS 2298:84P5T nidx=null]
Florectisis
 - Florectisis [ACCEPTED GENUS 2296:4KHB nidx=null]
 + Florectisis Alderslade, 1998 [ACCEPTED GENUS 2298:84P5V nidx=null]
Floresca
 - Floresca [ACCEPTED GENUS 2296:634R2 nidx=null]
 + Floresca Haeckel, 1880 [ACCEPTED GENUS 2298:84M62 nidx=null]
Floriprotis
 - Floriprotis [ACCEPTED GENUS 2296:4KJJ nidx=null]
 + Floriprotis Uchida, 1978 [ACCEPTED GENUS 2298:84P5W nidx=null]
Flota
 - Flota [ACCEPTED GENUS 2296:4KKC nidx=null]
 + Flota Hartman, 1967 [ACCEPTED GENUS 2298:84MYS nidx=null]
Flucticularia
 - Flucticularia [ACCEPTED GENUS 2296:4KKH nidx=null]
 + Flucticularia Regenhardt, 1961 [ACCEPTED GENUS 2298:84P5X nidx=null]
Folsomina yosiii
 - Folsomina yosiii Lawrence, PN, 1969 [SYNONYM SPECIES 2296:6JD9T nidx=null parent=6JD9Z]
 + Folsomina yosiii Lawrence, PN, 1969 [SYNONYM SPECIES 2298:84XZB nidx=null parent=6JD9Z]
Fomitchella
 - Fomitchella [ACCEPTED GENUS 2296:4KNV nidx=null]
 + Fomitchella Yang & He, 1985 [ACCEPTED GENUS 2298:84P5Z nidx=null]
Forcepia
 - Forcepia [ACCEPTED GENUS 2296:4KQT nidx=null]
 - Forcepia [ACCEPTED SUBGENUS 2296:62T35 nidx=null]
 + Forcepia Carter, 1874 [ACCEPTED GENUS 2298:84MYT nidx=null]
Forcepia (Forcepia) carteri
 - Forcepia (Forcepia) carteri Dendy, 1896 [ACCEPTED SPECIES 2296:6JDC3 nidx=null]
 + Forcepia (Forcepia) carteri Dendy, 1896 [SYNONYM SPECIES 2298:84XZD nidx=null parent=85SV2]
Forcepia (Forcepia) forcipula
 - Forcepia (Forcepia) forcipula (Lundbeck, 1905) [ACCEPTED SPECIES 2296:6JDC7 nidx=null]
 + Forcepia (Forcepia) forcipula (Lundbeck, 1905) [SYNONYM SPECIES 2298:84XZF nidx=null parent=85SV3]
Forcepia carteri
 - Forcepia carteri Dendy, 1896 [AMBIGUOUS_SYNONYM SPECIES 2296:6JDFH nidx=null parent=6JDC3]
 + Forcepia carteri Dendy, 1896 [AMBIGUOUS_SYNONYM SPECIES 2298:84XZG nidx=null parent=85SV2]
Forcepia forcipula
 - Forcepia forcipula (Lundbeck, 1905) [SYNONYM SPECIES 2296:6JDF8 nidx=null parent=6JDC7]
 + Forcepia forcipula (Lundbeck, 1905) [SYNONYM SPECIES 2298:84XZH nidx=null parent=85SV3]
Forcipicythere
 - Forcipicythere [ACCEPTED GENUS 2296:4KR5 nidx=null]
 + Forcipicythere Hao (Yi-Chun) & Ruan in Ruan & Hao (Yi-Chun) , 1988 [ACCEPTED GENUS 2298:84P63 nidx=null]
Fossundecima
 - Fossundecima [ACCEPTED GENUS 2296:4KW8 nidx=null]
 + Fossundecima Thompson, 1979 [ACCEPTED GENUS 2298:84P64 nidx=null]
Foveoleberis
 - Foveoleberis [ACCEPTED GENUS 2296:62SQD nidx=null]
 + Foveoleberis Malz, 1980 [ACCEPTED GENUS 2298:84P66 nidx=null]
Foveolocyathus
 - Foveolocyathus [ACCEPTED GENUS 2296:4KXG nidx=null]
 + Foveolocyathus Cairns, 1997 [ACCEPTED GENUS 2298:84MYW nidx=null]
Fragilonemertes
 - Fragilonemertes [ACCEPTED GENUS 2296:4KYL nidx=null]
 + Fragilonemertes Riser, 1998 [ACCEPTED GENUS 2298:84P67 nidx=null]
Francapseudes
 - Francapseudes [ACCEPTED GENUS 2296:4KYV nidx=null]
 + Francapseudes Bacescu, 1981 [ACCEPTED GENUS 2298:84MYX nidx=null]
Frenguellicythere
 - Frenguellicythere [ACCEPTED GENUS 2296:4L49 nidx=null]
 + Frenguellicythere Bertels-Psotka & Martinez, 1999 [ACCEPTED GENUS 2298:84P69 nidx=null]
Fridericia
 - Fridericia [ACCEPTED GENUS 2296:4L5K nidx=null]
 + Fridericia Michaelsen, 1889 [ACCEPTED GENUS 2298:84MYY nidx=null]
Fridericiella pacifica
 - Fridericiella pacifica (Friedrich, 1956) [SYNONYM SPECIES 2296:6JP4F nidx=null parent=73HZH]
 + Fridericiella pacifica (Friedrich, 1956) [ACCEPTED SPECIES 2298:84XZN nidx=null]
Friedrichia
 - Friedrichia [ACCEPTED GENUS 2296:4L5Y nidx=null]
 + Friedrichia Kirsteuer, 1965 [ACCEPTED GENUS 2298:84MYZ nidx=null]
Frontonemertes
 - Frontonemertes [ACCEPTED GENUS 2296:4L95 nidx=null]
 + Frontonemertes Iwata, 2006 [ACCEPTED GENUS 2298:84P6C nidx=null]
Fungia
 - Fungia [ACCEPTED GENUS 2296:63547 nidx=null]
 + Fungia Lamarck, 1801 [ACCEPTED GENUS 2298:84MZ4 nidx=null]
Fungiacyathidae
 - Fungiacyathidae [ACCEPTED FAMILY 2296:6245Q nidx=null]
 + Fungiacyathidae Chevalier & Beauvais, 1987 [ACCEPTED FAMILY 2298:84K33 nidx=null]
Fungiacyathus
 - Fungiacyathus [ACCEPTED GENUS 2296:62T3W nidx=null]
 + Fungiacyathus Sars, 1872 [ACCEPTED GENUS 2298:84MZ5 nidx=null]
Fungiidae
 - Fungiidae [ACCEPTED FAMILY 2296:62462 nidx=null]
 + Fungiidae Dana, 1846 [ACCEPTED FAMILY 2298:84K34 nidx=null]
Funginus
 - Funginus [ACCEPTED GENUS 2296:634RW nidx=null]
 + Funginus Tixier-Durivault, 1978 [ACCEPTED GENUS 2298:84P6J nidx=null]
Funiculina
 - Funiculina [ACCEPTED GENUS 2296:62T3X nidx=null]
 + Funiculina Lamarck, 1816 [ACCEPTED GENUS 2298:84MZ6 nidx=null]
Funiculinidae
 - Funiculinidae [ACCEPTED FAMILY 2296:623TR nidx=null]
 + Funiculinidae Gray, 1870 [ACCEPTED FAMILY 2298:84K35 nidx=null]
Furugelmina
 - Furugelmina [ACCEPTED GENUS 2296:4LH3 nidx=null]
 + Furugelmina Chernyshev, 1998 [ACCEPTED GENUS 2298:84P6L nidx=null]
Furugelmina heteromusculosa
 - Furugelmina heteromusculosa Chernyshev, 1998 [ACCEPTED SPECIES 2296:6K53H nidx=null]
 + Furugelmina heteromusculosa Chernyshev, 1998 [SYNONYM SPECIES 2298:84XZT nidx=null parent=858MC]
Galapagocythere
 - Galapagocythere [ACCEPTED GENUS 2296:4LRN nidx=null]
 + Galapagocythere Bate, Whittaker & Mayes, 1981 [ACCEPTED GENUS 2298:84P6Q nidx=null]
Galapagomystides
 - Galapagomystides [ACCEPTED GENUS 2296:4LRT nidx=null]
 + Galapagomystides Blake, 1985 [ACCEPTED GENUS 2298:84MZB nidx=null]
Galathealinum
 - Galathealinum [ACCEPTED GENUS 2296:4LS9 nidx=null]
 + Galathealinum Kirkegaard, 1956 [ACCEPTED GENUS 2298:84MZC nidx=null]
Galathowenia
 - Galathowenia [ACCEPTED GENUS 2296:4LSJ nidx=null]
 + Galathowenia Kirkegaard, 1959 [ACCEPTED GENUS 2298:84MZD nidx=null]
Galaxea
 - Galaxea [ACCEPTED GENUS 2296:4LSN nidx=null]
 + Galaxea Oken, 1815 [ACCEPTED GENUS 2298:84MZF nidx=null]
Galeolaria
 - Galeolaria [ACCEPTED GENUS 2296:62ST3 nidx=null]
 + Galeolaria Lamarck, 1818 [ACCEPTED GENUS 2298:84P6Y nidx=null]
Gallardoneris
 - Gallardoneris [ACCEPTED GENUS 2296:4LX6 nidx=null]
 + Gallardoneris Carrera-Parra, 2006 [ACCEPTED GENUS 2298:84P6Z nidx=null]
Galliaecytheridea
 - Galliaecytheridea [ACCEPTED GENUS 2296:63555 nidx=null]
 + Galliaecytheridea Oertli, 1957 [ACCEPTED GENUS 2298:84P72 nidx=null]
Gamagyangnella
 - Gamagyangnella [ACCEPTED GENUS 2296:4LZH nidx=null]
 + Gamagyangnella Choe, 1988 [ACCEPTED GENUS 2298:84P74 nidx=null]
Gambiella
 - Gambiella [ACCEPTED GENUS 2296:4M24 nidx=null]
 + Gambiella Witte, 1985 [ACCEPTED GENUS 2298:84P75 nidx=null]
Gamboa
 - Gamboa [ACCEPTED GENUS 2296:4M28 nidx=null]
 + Gamboa Bamber, 2012 [ACCEPTED GENUS 2298:84P76 nidx=null]
Ganganereis sootai
 - Ganganereis sootai Misra, 1999 [ACCEPTED SPECIES 2296:3F93D nidx=null]
 + Ganganereis sootai Misra, 1999 [SYNONYM SPECIES 2298:84Y2H nidx=null parent=85F57]
Garciaella
 - Garciaella [ACCEPTED GENUS 2296:4M7B nidx=null]
 + Garciaella Dingle & Honigstein, 1994 [ACCEPTED GENUS 2298:84P7C nidx=null]
Garcinia pictorius
 - Garcinia pictorius (Roxb.) D' Arcy [SYNONYM SPECIES 2296:6K93F nidx=null parent=6JWRP]
 + Garcinia pictorius (Roxb.) D' Arcy [SYNONYM SPECIES 2298:84XD5 nidx=null parent=6JWRP]
Gardineria
 - Gardineria [ACCEPTED GENUS 2296:4M7P nidx=null]
 + Gardineria Vaughan, 1907 [ACCEPTED GENUS 2298:84MZK nidx=null]
Gardineriidae
 - Gardineriidae [ACCEPTED FAMILY 2296:62476 nidx=null]
 + Gardineriidae Stolarski, 1996 [ACCEPTED FAMILY 2298:84K38 nidx=null]
Gardineroseris
 - Gardineroseris [ACCEPTED GENUS 2296:4M7Q nidx=null]
 + Gardineroseris Scheer & Pillai, 1974 [ACCEPTED GENUS 2298:84MZL nidx=null]
Gastrolepidia
 - Gastrolepidia [ACCEPTED GENUS 2296:4MDT nidx=null]
 + Gastrolepidia Schmarda, 1861 [ACCEPTED GENUS 2298:84MZR nidx=null]
Gastrophanella
 - Gastrophanella [ACCEPTED GENUS 2296:62STQ nidx=null]
 + Gastrophanella Schmidt, 1879 [ACCEPTED GENUS 2298:84MZS nidx=null]
Gastropion
 - Gastropion [ACCEPTED GENUS 2296:62T63 nidx=null]
 + Gastropion Moretto, 1998 [ACCEPTED GENUS 2298:84P7F nidx=null]
Gattiola cincinnata
 - Gattiola cincinnata Verrill, 1874 [SYNONYM SPECIES 2296:6JXK7 nidx=null parent=CMVY]
 + Gattiola cincinnata Verrill, 1874 [SYNONYM SPECIES 2298:84Y2N nidx=null parent=CMW3]
Gattiola spectabilis
 - Gattiola spectabilis Johnston, 1865 [SYNONYM SPECIES 2296:6K9K7 nidx=null parent=CMW4]
 + Gattiola spectabilis Johnston in Baird, 1861 [SYNONYM SPECIES 2298:84Y2P nidx=null parent=84TCF]
Gattyana
 - Gattyana [ACCEPTED GENUS 2296:62STV nidx=null]
 + Gattyana McIntosh, 1897 [ACCEPTED GENUS 2298:84MZV nidx=null]
Gaudichaudius
 - Gaudichaudius [ACCEPTED GENUS 2296:62T5V nidx=null]
 + Gaudichaudius Pettibone, 1986 [ACCEPTED GENUS 2298:84P7G nidx=null]
Gaussicia
 - Gaussicia [ACCEPTED GENUS 2296:4MH6 nidx=null]
 + Gaussicia Poulsen, 1973 [ACCEPTED GENUS 2298:84MZW nidx=null]
Geissoloma marginatum
 - Geissoloma marginatum (L.) Kunth [SYNONYM SPECIES 2296:3FGVN nidx=null parent=3FGVP]
 + Geissoloma marginatum (L.) Kunth [SYNONYM SPECIES 2298:84XD8 nidx=null parent=3FGVP]
Gejavis
 - Gejavis [ACCEPTED GENUS 2296:4MLK nidx=null]
 + Gejavis Błażewicz-Paszkowycz & Bamber, 2012 [ACCEPTED GENUS 2298:84P7J nidx=null]
Gelanemertes
 - Gelanemertes [ACCEPTED GENUS 2296:4MLS nidx=null]
 + Gelanemertes Coe, 1926 [ACCEPTED GENUS 2298:84P7K nidx=null]
Gelliodes
 - Gelliodes [ACCEPTED GENUS 2296:4MNH nidx=null]
 + Gelliodes Ridley, 1884 [ACCEPTED GENUS 2298:84MZX nidx=null]
Gelliodes fibulata
 - Gelliodes fibulata sensu (Schmidt, 1862) [AMBIGUOUS_SYNONYM SPECIES 2296:3FJTT nidx=null parent=3JC8P]
 + Gelliodes fibulata sensu (Schmidt, 1862) [MISAPPLIED SPECIES 2298:84Y2R nidx=null parent=3JC8P]
Gelliodes filiformis
 - Gelliodes filiformis Brøndsted, 1923 [SYNONYM SPECIES 2296:6JZVP nidx=null parent=PWM8]
 + Gelliodes filiformis Brøndsted, 1924 [SYNONYM SPECIES 2298:84Y2S nidx=null parent=85SPN]
Gelliodes flagelliformis
 - Gelliodes flagelliformis Brøndsted, 1923 [SYNONYM SPECIES 2296:3FJTW nidx=null parent=PWM8]
 + Gelliodes flagelliformis Brøndsted, 1924 [SYNONYM SPECIES 2298:84Y2T nidx=null parent=85SPN]
Gelliodes setosa
 - Gelliodes setosa Keller, 1889 [SYNONYM SPECIES 2296:6JZXC nidx=null parent=6S345]
 + Gelliodes setosa Keller, 1889 [ACCEPTED SPECIES 2298:84Y2V nidx=null]
Gellius anatarius
 - Gellius anatarius Lévi & Lévi, 1983 [SYNONYM SPECIES 2296:6JZX3 nidx=null parent=3JC7W]
 + Gellius anatarius Lévi & Lévi, 1983 [SYNONYM SPECIES 2298:84Y2W nidx=null parent=3JC7L]
Gellius arcticus
 - Gellius arcticus Hentschel, 1916 [SYNONYM SPECIES 2296:3FJV3 nidx=null parent=3JC7Z]
 + Gellius arcticus Hentschel, 1916 [SYNONYM SPECIES 2298:84Y2X nidx=null parent=85SWY]
Gellius digitatus
 - Gellius digitatus Koltun, 1958 [SYNONYM SPECIES 2296:3FJVP nidx=null parent=3JC8K]
 + Gellius digitatus Koltun, 1958 [SYNONYM SPECIES 2298:84WTM nidx=null parent=85SVT]
Gellius irregularis
 - Gellius irregularis Kieschnick, 1896 [SYNONYM SPECIES 2296:3FJWB nidx=null parent=3JC95]
 - Gellius irregularis [SYNONYM SPECIES 2296:6JZWV nidx=null parent=3JC94]
 + Gellius irregularis [AMBIGUOUS_SYNONYM SPECIES 2298:84Y2Y nidx=null parent=85SVM]
 + Gellius irregularis Kieschnick, 1896 [AMBIGUOUS_SYNONYM SPECIES 2298:84Y2Z nidx=null parent=85SVP]
Gellius pedunculatus
 - Gellius pedunculatus Lévi, 1993 [SYNONYM SPECIES 2296:3FJWX nidx=null parent=3JC9M]
 + Gellius pedunculatus Lévi, 1993 [SYNONYM SPECIES 2298:84Y32 nidx=null parent=85SVJ]
Gellius tenellus
 - Gellius tenellus Topsent, 1916 [SYNONYM SPECIES 2296:3FJXP nidx=null parent=6L9GZ]
 + Gellius tenellus Topsent, 1916 [SYNONYM SPECIES 2298:84Y33 nidx=null parent=85SVN]
Gellius tener
 - Gellius tener Topsent, 1927 [SYNONYM SPECIES 2296:3FJXQ nidx=null parent=6KXGT]
 + Gellius tener Topsent, 1927 [SYNONYM SPECIES 2298:84Y34 nidx=null parent=85SVK]
Gellius tylotoxus
 - Gellius tylotoxus [SYNONYM SPECIES 2296:3FJXZ nidx=null parent=6KXGW]
 + Gellius tylotoxus Hentschel, 1914 [SYNONYM SPECIES 2298:84Y35 nidx=null parent=6KXGW]
Genetyllis nana
 - Genetyllis nana (de Saint Joseph, 1908) [ACCEPTED SPECIES 2296:3FKQ6 nidx=null]
 + Genetyllis nana (Saint Joseph, 1906) [SYNONYM SPECIES 2298:84Y3B nidx=null parent=748RH]
Genicularia
 - Genicularia [ACCEPTED GENUS 2296:4MSK nidx=null]
 + Genicularia Quenstedt, 1858 [ACCEPTED GENUS 2298:84N22 nidx=null]
Gentiana ×  billingtonii
 - Gentiana ×  billingtonii Farw. ex J. S. Pringle [ACCEPTED SPECIES 2296:3FLTY nidx=null]
 + Gentiana ×  billingtonii Farw. ex J. S. Pringle [ACCEPTED SPECIES 2298:84JX5 nidx=null]
Geodia
 - Geodia [ACCEPTED GENUS 2296:4MWN nidx=null]
 + Geodia Lamarck, 1815 [ACCEPTED GENUS 2298:84N26 nidx=null]
Geodia lendenfeldi
 - Geodia lendenfeldi Stone, Lehnert & Reiswig, 2011 [ACCEPTED SPECIES 2296:3FPBD nidx=null]
 + Geodia lendenfeldi Stone, Lehnert & Reiswig, 2011 [SYNONYM SPECIES 2298:84Y3C nidx=null parent=85SV6]
Geodia loricata
 - Geodia loricata (Lendenfeld, 1894) [ACCEPTED SPECIES 2296:3FPBK nidx=null]
 + Geodia loricata (Lendenfeld, 1894) [SYNONYM SPECIES 2298:84Y3D nidx=null parent=5WX26]
Geodia nigra
 - Geodia nigra (Lindgren, 1897) [PROVISIONALLY_ACCEPTED SPECIES 2296:3FPC5 nidx=null]
 + Geodia nigra (Lindgren, 1897) [AMBIGUOUS_SYNONYM SPECIES 2298:84Y3F nidx=null parent=85SV8]
Geodia piriformis
 - Geodia piriformis Bösraug, 1913 [ACCEPTED SPECIES 2296:3FPCS nidx=null]
 + Geodia piriformis Bösraug, 1913 [SYNONYM SPECIES 2298:84WTP nidx=null parent=85SV5]
Geodia poculata var. piriformis
 - Geodia poculata var. piriformis Bösraug, 1913 [SYNONYM VARIETY 2296:5P4VY nidx=null parent=3FPCS]
 + Geodia poculata var. piriformis Bösraug, 1913 [SYNONYM VARIETY 2298:852TN nidx=null parent=85SV5]
Geodia reniformis var. robusta
 - Geodia reniformis var. robusta Lebwohl, 1914 [ACCEPTED VARIETY 2296:5P4W2 nidx=null]
 + Geodia reniformis var. robusta Lebwohl, 1914 [SYNONYM VARIETY 2298:852TP nidx=null parent=85SV7]
Geodia robusta
 - Geodia robusta (Lendenfeld, 1910) [AMBIGUOUS_SYNONYM SPECIES 2296:6KBX6 nidx=null parent=3FPBD]
 + Geodia robusta (Lendenfeld, 1910) [AMBIGUOUS_SYNONYM SPECIES 2298:84Y3G nidx=null parent=85SV6]
Geodia velata
 - Geodia velata (Lebwohl, 1914) [ACCEPTED SPECIES 2296:6KC8L nidx=null]
 + Geodia velata (Lebwohl, 1914) [SYNONYM SPECIES 2298:84Y3J nidx=null parent=68WQ6]
Geodiidae
 - Geodiidae [ACCEPTED FAMILY 2296:6247G nidx=null]
 + Geodiidae Gray, 1867 [ACCEPTED FAMILY 2298:84K39 nidx=null]
Geodinella robusta
 - Geodinella robusta Lendenfeld, 1910 [SYNONYM SPECIES 2296:6KBY8 nidx=null parent=3FPBD]
 + Geodinella robusta Lendenfeld, 1910 [SYNONYM SPECIES 2298:84WTQ nidx=null parent=85SV6]
Geodinella robusta var. carolae
 - Geodinella robusta var. carolae Lendenfeld, 1910 [SYNONYM VARIETY 2296:5P4W4 nidx=null parent=5P4VN]
 + Geodinella robusta var. carolae Lendenfeld, 1910 [SYNONYM VARIETY 2298:852TQ nidx=null parent=85SV6]
Geodinella robusta var. megaclada
 - Geodinella robusta var. megaclada Lendenfeld, 1910 [SYNONYM VARIETY 2296:5P4W5 nidx=null parent=5P4VP]
 + Geodinella robusta var. megaclada Lendenfeld, 1910 [SYNONYM VARIETY 2298:852TR nidx=null parent=85SV6]
Geodinella robusta var. megasterra
 - Geodinella robusta var. megasterra Lendenfeld, 1910 [SYNONYM VARIETY 2296:5P4W6 nidx=null parent=5P4VQ]
 + Geodinella robusta var. megasterra Lendenfeld, 1910 [SYNONYM VARIETY 2298:852TS nidx=null parent=85SV6]
Geonemertes
 - Geonemertes [ACCEPTED GENUS 2296:4MYM nidx=null]
 + Geonemertes Semper, 1863 [ACCEPTED GENUS 2298:84P7Q nidx=null]
Geranium arabicum subsp. arabicum
 - Geranium arabicum subsp. arabicum Forssk. [ACCEPTED SUBSPECIES 2296:5HG6G nidx=null]
 + Geranium arabicum subsp. arabicum [ACCEPTED SUBSPECIES 2298:852QK nidx=null]
Geranium asphodeloides subsp. asphodeloides
 - Geranium asphodeloides subsp. asphodeloides Burm. f. [SYNONYM SUBSPECIES 2296:5HG6K nidx=null parent=6KCF9]
 + Geranium asphodeloides subsp. asphodeloides [SYNONYM SUBSPECIES 2298:852QL nidx=null parent=6KCF9]
Geranium atropurpureum var. atropurpureum
 - Geranium atropurpureum var. atropurpureum A. Heller [SYNONYM VARIETY 2296:5P4ZV nidx=null parent=6KCK5]
 + Geranium atropurpureum var. atropurpureum [SYNONYM VARIETY 2298:84ZKQ nidx=null parent=6KCK5]
Geranium bicknellii var. bicknellii
 - Geranium bicknellii var. bicknellii Britton [SYNONYM VARIETY 2296:5P526 nidx=null parent=6KCHT]
 + Geranium bicknellii var. bicknellii [SYNONYM VARIETY 2298:84LDJ nidx=null parent=6KCHT]
Geranium caespitosum var. caespitosum
 - Geranium caespitosum var. caespitosum E. James [SYNONYM VARIETY 2296:7M3CQ nidx=null parent=6KCK5]
 + Geranium caespitosum var. caespitosum [SYNONYM VARIETY 2298:84ZKR nidx=null parent=6KCK5]
Geranium carolinianum var. carolinianum
 - Geranium carolinianum var. carolinianum L. [SYNONYM VARIETY 2296:5P52G nidx=null parent=6KCJG]
 + Geranium carolinianum var. carolinianum [SYNONYM VARIETY 2298:84LDL nidx=null parent=6KCJG]
Geranium cataractarum subsp. cataractarum
 - Geranium cataractarum subsp. cataractarum Coss. [SYNONYM SUBSPECIES 2296:5HG6W nidx=null parent=6KCKZ]
 + Geranium cataractarum subsp. cataractarum [SYNONYM SUBSPECIES 2298:852QM nidx=null parent=6KCKZ]
Geranium cuneatum subsp. cuneatum
 - Geranium cuneatum subsp. cuneatum Hook. [ACCEPTED SUBSPECIES 2296:5HG7G nidx=null]
 + Geranium cuneatum subsp. cuneatum [ACCEPTED SUBSPECIES 2298:84ZD5 nidx=null]
Geranium franchetii var. franchetii
 - Geranium franchetii var. franchetii R. Knuth in Engl. [SYNONYM VARIETY 2296:5P55B nidx=null parent=6KDYC]
 + Geranium franchetii var. franchetii [SYNONYM VARIETY 2298:852TT nidx=null parent=6KDYC]
Geranium henryi var. henryi
 - Geranium henryi var. henryi R. Knuth [SYNONYM VARIETY 2296:5P55J nidx=null parent=6KDN5]
 + Geranium henryi var. henryi [SYNONYM VARIETY 2298:852TV nidx=null parent=6KDN5]
Geranium hernandesii var. hernandesii
 - Geranium hernandesii var. hernandesii Moç. & Sessé ex DC. [SYNONYM VARIETY 2296:5P55L nidx=null parent=6KDNY]
 + Geranium hernandesii var. hernandesii [SYNONYM VARIETY 2298:852TW nidx=null parent=6KDNY]
Geranium humile subsp. humile
 - Geranium humile subsp. humile Hillebr. [SYNONYM SUBSPECIES 2296:5HG7V nidx=null parent=6KDNQ]
 + Geranium humile subsp. humile [SYNONYM SUBSPECIES 2298:852QN nidx=null parent=6KDNQ]
Geranium incanum var. incanum
 - Geranium incanum var. incanum Burm. f. [SYNONYM VARIETY 2296:5P564 nidx=null parent=6KDPR]
 + Geranium incanum var. incanum [SYNONYM VARIETY 2298:852TX nidx=null parent=6KDPR]
Geranium kotschyi subsp. kotschyi
 - Geranium kotschyi subsp. kotschyi Boiss. [ACCEPTED SUBSPECIES 2296:5HG82 nidx=null]
 + Geranium kotschyi subsp. kotschyi [ACCEPTED SUBSPECIES 2298:852QP nidx=null]
Geranium linearilobum subsp. linearilobum
 - Geranium linearilobum subsp. linearilobum DC. in Lam. & DC. [SYNONYM SUBSPECIES 2296:5HG83 nidx=null parent=6KDSP]
 + Geranium linearilobum subsp. linearilobum [SYNONYM SUBSPECIES 2298:852QQ nidx=null parent=6KDSP]
Geranium pratense subsp. pratense
 - Geranium pratense subsp. pratense L. [SYNONYM SUBSPECIES 2296:7JSFX nidx=null parent=3FV2S]
 + Geranium pratense subsp. pratense [SYNONYM SUBSPECIES 2298:852QR nidx=null parent=3FV2S]
Geranium pyrenaicum subsp. pyrenaicum
 - Geranium pyrenaicum subsp. pyrenaicum Burm. f. [ACCEPTED SUBSPECIES 2296:5HGBN nidx=null]
 + Geranium pyrenaicum subsp. pyrenaicum [ACCEPTED SUBSPECIES 2298:84KS4 nidx=null]
Geranium seemannii subsp. seemannii
 - Geranium seemannii subsp. seemannii Peyr. [ACCEPTED SUBSPECIES 2296:7JSJH nidx=null]
 + Geranium seemannii subsp. seemannii [ACCEPTED SUBSPECIES 2298:852QS nidx=null]
Geranium sibbaldioides subsp. sibbaldioides
 - Geranium sibbaldioides subsp. sibbaldioides Benth. [ACCEPTED SUBSPECIES 2296:5HGD2 nidx=null]
 + Geranium sibbaldioides subsp. sibbaldioides [ACCEPTED SUBSPECIES 2298:852QT nidx=null]
Geranium vagans subsp. vagans
 - Geranium vagans subsp. vagans Baker [ACCEPTED SUBSPECIES 2296:7K4HV nidx=null]
 + Geranium vagans subsp. vagans [ACCEPTED SUBSPECIES 2298:852QV nidx=null]
Geranium viscosissimum var. viscosissimum
 - Geranium viscosissimum var. viscosissimum Fisch. & C.A. Mey. in C.A. Mey. [SYNONYM VARIETY 2296:7M3BY nidx=null parent=6KDCL]
 + Geranium viscosissimum var. viscosissimum [SYNONYM VARIETY 2298:84LDS nidx=null parent=6KDCL]
Gerascanthus goeldianus
 - Gerascanthus goeldianus (Huber) Borhidi [SYNONYM SPECIES 2296:6KF3W nidx=null parent=YBDT]
 + Gerascanthus goeldianus (Huber) Borhidi [SYNONYM SPECIES 2298:84XDR nidx=null parent=YBDT]
Gerdocypris
 - Gerdocypris [ACCEPTED GENUS 2296:4N6B nidx=null]
 + Gerdocypris McKenzie, 1983 [ACCEPTED GENUS 2298:84P7S nidx=null]
Gersemia
 - Gersemia [ACCEPTED GENUS 2296:4N8B nidx=null]
 + Gersemia von Marenzeller, 1878 [ACCEPTED GENUS 2298:84N2C nidx=null]
Gesaia
 - Gesaia [ACCEPTED GENUS 2296:4N93 nidx=null]
 + Gesaia Kirtley, 1994 [ACCEPTED GENUS 2298:84P7T nidx=null]
Gesaneris
 - Gesaneris [ACCEPTED GENUS 2296:4N94 nidx=null]
 + Gesaneris Carrera-Parra, 2006 [ACCEPTED GENUS 2298:84P7V nidx=null]
Gesiella
 - Gesiella [ACCEPTED GENUS 2296:4N99 nidx=null]
 + Gesiella Pettibone, 1976 [ACCEPTED GENUS 2298:84P7W nidx=null]
Ghardaglaia
 - Ghardaglaia [ACCEPTED GENUS 2296:6356H nidx=null]
 + Ghardaglaia Hartmann, 1964 [ACCEPTED GENUS 2298:84P7X nidx=null]
Gianius
 - Gianius [ACCEPTED GENUS 2296:4NBX nidx=null]
 + Gianius Erséus, 1992 [ACCEPTED GENUS 2298:84N2D nidx=null]
Gibboborchella
 - Gibboborchella [ACCEPTED GENUS 2296:4ND9 nidx=null]
 + Gibboborchella Gruendel, 1976 [ACCEPTED GENUS 2298:84P82 nidx=null]
Gibsonnemertes
 - Gibsonnemertes [ACCEPTED GENUS 2296:62SF9 nidx=null]
 + Gibsonnemertes Härlin, 1998 [ACCEPTED GENUS 2298:84P83 nidx=null]
Gigantapseudes
 - Gigantapseudes [ACCEPTED GENUS 2296:4NFF nidx=null]
 + Gigantapseudes Kudinova-Pasternak, 1978 [ACCEPTED GENUS 2298:84N2G nidx=null]
Gigantapseudidae
 - Gigantapseudidae [ACCEPTED FAMILY 2296:623G7 nidx=null]
 + Gigantapseudidae Kudinova-Pasternak, 1978 [ACCEPTED FAMILY 2298:84K3C nidx=null]
Gigantocypris
 - Gigantocypris [ACCEPTED GENUS 2296:4NG2 nidx=null]
 + Gigantocypris Mueller, 1895 [ACCEPTED GENUS 2298:84N2J nidx=null]
Gilibelemnon
 - Gilibelemnon [ACCEPTED GENUS 2296:634GL nidx=null]
 + Gilibelemnon López-González & Williams, 2002 [ACCEPTED GENUS 2298:84P85 nidx=null]
Ginkgo baieraeformis subsp. baieraeformis
 - Ginkgo baieraeformis subsp. baieraeformis (Kilprer) Czier [ACCEPTED SUBSPECIES 2296:5HGSH nidx=null]
 + Ginkgo baieraeformis subsp. baieraeformis [ACCEPTED SUBSPECIES 2298:852QW nidx=null]
Ginkgo marginata subsp. marginata
 - Ginkgo marginata subsp. marginata (Nathorst) Czier [ACCEPTED SUBSPECIES 2296:5HGSN nidx=null]
 + Ginkgo marginata subsp. marginata [ACCEPTED SUBSPECIES 2298:852QX nidx=null]
Ginkgocythere
 - Ginkgocythere [ACCEPTED GENUS 2296:4NL9 nidx=null]
 + Ginkgocythere Hu & Tao, 2008 [ACCEPTED GENUS 2298:84P87 nidx=null]
Glabroapseudes
 - Glabroapseudes [ACCEPTED GENUS 2296:4NQ3 nidx=null]
 + Glabroapseudes Guerrero-Kommritz & Heard, 2003 [ACCEPTED GENUS 2298:84P8B nidx=null]
Glacioloxoconcha
 - Glacioloxoconcha [ACCEPTED GENUS 2296:4NQN nidx=null]
 + Glacioloxoconcha Hartmann, 1990 [ACCEPTED GENUS 2298:84P8C nidx=null]
Glandulospio
 - Glandulospio [ACCEPTED GENUS 2296:4NRZ nidx=null]
 + Glandulospio Meißner, Bick, Guggolz & Götting, 2014 [ACCEPTED GENUS 2298:84P8D nidx=null]
Glencoeleberis
 - Glencoeleberis [ACCEPTED GENUS 2296:4NW2 nidx=null]
 + Glencoeleberis Jellinek & Swanson, 2003 [ACCEPTED GENUS 2298:84P8F nidx=null]
Globimetula oreophilus
 - Globimetula oreophilus (Oliv. ex Hook.) Tiegh. [SYNONYM SPECIES 2296:6KHK7 nidx=null parent=6KHJP]
 + Globimetula oreophilus (Oliv. ex Hook.) Tiegh. [SYNONYM SPECIES 2298:84XFG nidx=null parent=6KHJP]
Globulidrilus
 - Globulidrilus [ACCEPTED GENUS 2296:62SGT nidx=null]
 + Globulidrilus Christensen & Dózsa-Farkas, 2012 [ACCEPTED GENUS 2298:84P8G nidx=null]
Glomerula
 - Glomerula [ACCEPTED GENUS 2296:634H8 nidx=null]
 + Glomerula Nielsen, 1931 [ACCEPTED GENUS 2298:84P8J nidx=null]
Glossoscolecidae
 - Glossoscolecidae [ACCEPTED FAMILY 2296:623KJ nidx=null]
 + Glossoscolecidae Michaelsen, 1900 [ACCEPTED FAMILY 2298:84K3F nidx=null]
Glycera
 - Glycera [ACCEPTED GENUS 2296:4PBK nidx=null]
 + Glycera Lamarck, 1818 [ACCEPTED GENUS 2298:84N2S nidx=null]
Glycera convoluta capensis
 - Glycera convoluta capensis Monro, 1933 [SYNONYM SUBSPECIES 2296:7K67J nidx=null parent=6KL2N]
 + Glycera convoluta capensis Monro, 1933 [SYNONYM SUBSPECIES 2298:852QY nidx=null parent=6KKP4]
Glycera nicobarica
 - Glycera nicobarica Grube, 1866 [AMBIGUOUS_SYNONYM SPECIES 2296:6KKQQ nidx=null parent=6KL3T]
 + Glycera nicobarica Grube, 1868 [PROVISIONALLY_ACCEPTED SPECIES 2298:84Y4M nidx=null]
Glycera prashadi
 - Glycera prashadi Fauvel, 1932 [ACCEPTED SPECIES 2296:6KL2N nidx=null]
 + Glycera prashadi Fauvel, 1932 [SYNONYM SPECIES 2298:84Y4N nidx=null parent=6KKP4]
Glycera rouxii
 - Glycera rouxii Audouin & Milne Edwards, 1833 [SYNONYM SPECIES 2296:6KKQC nidx=null parent=6KL3T]
 + Glycera rouxii Audouin & Milne Edwards, 1833 [SYNONYM SPECIES 2298:84WVT nidx=null parent=6KL3T]
Glycerella
 - Glycerella [ACCEPTED GENUS 2296:4PBL nidx=null]
 + Glycerella Arwidsson, 1899 [ACCEPTED GENUS 2298:84P8K nidx=null]
Glyceridae
 - Glyceridae [ACCEPTED FAMILY 2296:623KN nidx=null]
 + Glyceridae Grube, 1850 [ACCEPTED FAMILY 2298:84K3H nidx=null]
Glycinde
 - Glycinde [ACCEPTED GENUS 2296:4PBT nidx=null]
 + Glycinde Müller, 1858 [ACCEPTED GENUS 2298:84N2T nidx=null]
Glyphanostomum
 - Glyphanostomum [ACCEPTED GENUS 2296:4PCJ nidx=null]
 + Glyphanostomum Levinsen, 1884 [ACCEPTED GENUS 2298:84N2V nidx=null]
Glyphidocythere
 - Glyphidocythere [ACCEPTED GENUS 2296:62SJM nidx=null]
 + Glyphidocythere Ayress, Correge & Whatley, 1993 [ACCEPTED GENUS 2298:84P8L nidx=null]
Glyphidrilocrius
 - Glyphidrilocrius [ACCEPTED GENUS 2296:4PCZ nidx=null]
 + Glyphidrilocrius Jamieson, 1972 [ACCEPTED GENUS 2298:84N2W nidx=null]
Glyphidrilus
 - Glyphidrilus [ACCEPTED GENUS 2296:4PD2 nidx=null]
 + Glyphidrilus Horst, 1889 [ACCEPTED GENUS 2298:84N2X nidx=null]
Glyphochaeta
 - Glyphochaeta [ACCEPTED GENUS 2296:4PDF nidx=null]
 + Glyphochaeta Bick, 2005 [ACCEPTED GENUS 2298:84P8N nidx=null]
Glyphohesione
 - Glyphohesione [ACCEPTED GENUS 2296:634JN nidx=null]
 + Glyphohesione Friedrich, 1950 [ACCEPTED GENUS 2298:84P8P nidx=null]
Glyptobairdia
 - Glyptobairdia [ACCEPTED GENUS 2296:4PF7 nidx=null]
 + Glyptobairdia Stephenson, 1946 [ACCEPTED GENUS 2298:84N32 nidx=null]
Gnaphalium chrysocomum
 - Gnaphalium chrysocomum Mill. [SYNONYM SPECIES 2296:3GJZX nidx=null parent=5HM6Q]
 + Gnaphalium chrysocomum Mill. [SYNONYM SPECIES 2298:84XFM nidx=null parent=5HM6Q]
Gnathampharete
 - Gnathampharete [ACCEPTED GENUS 2296:4PJH nidx=null]
 + Gnathampharete Desbruyères, 1978 [ACCEPTED GENUS 2298:84P8Q nidx=null]
Godzilliidae
 - Godzilliidae [ACCEPTED FAMILY 2296:623LL nidx=null]
 + Godzilliidae Schram, Yager & Emerson, 1986 [ACCEPTED FAMILY 2298:84K3J nidx=null]
Godzilliognomus
 - Godzilliognomus [ACCEPTED GENUS 2296:4PRK nidx=null]
 + Godzilliognomus Yager, 1989 [ACCEPTED GENUS 2298:84P8S nidx=null]
Godzillius
 - Godzillius [ACCEPTED GENUS 2296:4PRL nidx=null]
 + Godzillius Schram, Yager & Emerson, 1986 [ACCEPTED GENUS 2298:84P8T nidx=null]
Gomphocythere
 - Gomphocythere [ACCEPTED GENUS 2296:4PWB nidx=null]
 + Gomphocythere Sars, 1924 [ACCEPTED GENUS 2298:84P8W nidx=null]
Gomphodella
 - Gomphodella [ACCEPTED GENUS 2296:4PWC nidx=null]
 + Gomphodella De Deckker, 1981 [ACCEPTED GENUS 2298:84P8X nidx=null]
Goniada
 - Goniada [ACCEPTED GENUS 2296:4Q2R nidx=null]
 + Goniada Audouin & H Milne Edwards, 1833 [ACCEPTED GENUS 2298:84N3B nidx=null]
Goniada maorica
 - Goniada maorica Benham, 1909 [ACCEPTED SPECIES 2296:3GV87 nidx=null]
 + Goniada maorica Benham, 1932 [SYNONYM SPECIES 2298:84Y52 nidx=null parent=3GV8R]
Goniadella
 - Goniadella [ACCEPTED GENUS 2296:4Q2S nidx=null]
 + Goniadella Hartman, 1950 [ACCEPTED GENUS 2298:84N3C nidx=null]
Goniadidae
 - Goniadidae [ACCEPTED FAMILY 2296:623MG nidx=null]
 + Goniadidae Kinberg, 1866 [ACCEPTED FAMILY 2298:84K3K nidx=null]
Goniadides
 - Goniadides [ACCEPTED GENUS 2296:4Q2T nidx=null]
 + Goniadides Hartmann-Schröder, 1960 [ACCEPTED GENUS 2298:84N3D nidx=null]
Goniadopsis
 - Goniadopsis [ACCEPTED GENUS 2296:634LT nidx=null]
 + Goniadopsis Fauvel, 1928 [ACCEPTED GENUS 2298:84P8Z nidx=null]
Goniastrea
 - Goniastrea [ACCEPTED GENUS 2296:4Q3C nidx=null]
 + Goniastrea Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84N3F nidx=null]
Goniocorella
 - Goniocorella [ACCEPTED GENUS 2296:4Q4J nidx=null]
 + Goniocorella Yabe & Eguchi, 1932 [ACCEPTED GENUS 2298:84N3G nidx=null]
Goniopora
 - Goniopora [ACCEPTED GENUS 2296:4Q6H nidx=null]
 + Goniopora de Blainville, 1830 [ACCEPTED GENUS 2298:84N3H nidx=null]
Gononemertes
 - Gononemertes [ACCEPTED GENUS 2296:4Q9J nidx=null]
 + Gononemertes Bergendal, 1900 [ACCEPTED GENUS 2298:84P94 nidx=null]
Goreauiella
 - Goreauiella [ACCEPTED GENUS 2296:4QDK nidx=null]
 + Goreauiella Hartman, 1969 [ACCEPTED GENUS 2298:84N3R nidx=null]
Gorekia
 - Gorekia [ACCEPTED GENUS 2296:4QDL nidx=null]
 + Gorekia Bergström, 1916 [ACCEPTED GENUS 2298:84N3S nidx=null]
Gorgonia
 - Gorgonia [ACCEPTED GENUS 2296:4QDY nidx=null]
 + Gorgonia Linnaeus, 1758 [ACCEPTED GENUS 2298:84N3T nidx=null]
Gorgoniapolynoe
 - Gorgoniapolynoe [ACCEPTED GENUS 2296:4QDZ nidx=null]
 + Gorgoniapolynoe Pettibone, 1991 [ACCEPTED GENUS 2298:84P97 nidx=null]
Gorgoniidae
 - Gorgoniidae [ACCEPTED FAMILY 2296:623NH nidx=null]
 + Gorgoniidae Lamouroux, 1812 [ACCEPTED FAMILY 2298:84K3L nidx=null]
Gorgonisis
 - Gorgonisis [ACCEPTED GENUS 2296:634M6 nidx=null]
 + Gorgonisis Alderslade, 1998 [ACCEPTED GENUS 2298:84P98 nidx=null]
Gorgonorhynchus
 - Gorgonorhynchus [ACCEPTED GENUS 2296:62SLW nidx=null]
 + Gorgonorhynchus Dakin & Fordham, 1931 [ACCEPTED GENUS 2298:84P99 nidx=null]
Gossia longiseta
 - Gossia longiseta Quatrefages, 1866 [SYNONYM SPECIES 2296:3H482 nidx=null parent=3DNFN]
 + Gossia longiseta (Gosse, 1855) [SYNONYM SPECIES 2298:84Y5F nidx=null parent=3DNFN]
Gotlandites
 - Gotlandites [ACCEPTED GENUS 2296:4QGB nidx=null]
 + Gotlandites Bergman, 1987 [ACCEPTED GENUS 2298:84P9D nidx=null]
Gouiecythere
 - Gouiecythere [ACCEPTED GENUS 2296:4QGS nidx=null]
 + Gouiecythere Hu & Tao, 2008 [ACCEPTED GENUS 2298:84P9F nidx=null]
Grallatotanais
 - Grallatotanais [ACCEPTED GENUS 2296:4QMB nidx=null]
 + Grallatotanais Gutu & Iliffe, 2001 [ACCEPTED GENUS 2298:84P9M nidx=null]
Grammcythella
 - Grammcythella [ACCEPTED GENUS 2296:4QNR nidx=null]
 + Grammcythella Swanson, Jellinek & Malz, 2005 [ACCEPTED GENUS 2298:84P9P nidx=null]
Grania
 - Grania [ACCEPTED GENUS 2296:4QRZ nidx=null]
 + Grania Southern, 1913 [ACCEPTED GENUS 2298:84N44 nidx=null]
Grantessa
 - Grantessa [ACCEPTED GENUS 2296:4QSW nidx=null]
 + Grantessa Lendenfeld, 1885 [ACCEPTED GENUS 2298:84N45 nidx=null]
Grantessa pelagica
 - Grantessa pelagica (Ridley, 1881) [ACCEPTED SPECIES 2296:3H86L nidx=null]
 + Grantessa pelagica (Ridley, 1881) [SYNONYM SPECIES 2298:84WXS nidx=null parent=85T9G]
Grantia
 - Grantia [ACCEPTED GENUS 2296:4QSX nidx=null]
 + Grantia Fleming, 1828 [ACCEPTED GENUS 2298:84N46 nidx=null]
Grantiidae
 - Grantiidae [ACCEPTED FAMILY 2296:625BZ nidx=null]
 + Grantiidae Dendy, 1892 [ACCEPTED FAMILY 2298:84K3M nidx=null]
Grantilla
 - Grantilla [ACCEPTED GENUS 2296:4QSZ nidx=null]
 + Grantilla Row, 1909 [ACCEPTED GENUS 2298:84N48 nidx=null]
Grantilla quadriradiata
 - Grantilla quadriradiata Row, 1909 [ACCEPTED SPECIES 2296:6L3YX nidx=null]
 + Grantilla quadriradiata Row, 1909 [SYNONYM SPECIES 2298:84WXT nidx=null parent=53LN5]
Grantiopsis
 - Grantiopsis [ACCEPTED GENUS 2296:4QT2 nidx=null]
 + Grantiopsis Dendy, 1893 [ACCEPTED GENUS 2298:84N49 nidx=null]
Graptocythere
 - Graptocythere [ACCEPTED GENUS 2296:4QWH nidx=null]
 + Graptocythere Ruggieri, 1972 [ACCEPTED GENUS 2298:84P9R nidx=null]
Grasshoffia
 - Grasshoffia [ACCEPTED GENUS 2296:4QX9 nidx=null]
 + Grasshoffia Williams, 2015 [ACCEPTED GENUS 2298:84P9S nidx=null]
Grassleia
 - Grassleia [ACCEPTED GENUS 2296:4QXB nidx=null]
 + Grassleia Solis-Weiss, 1993 [ACCEPTED GENUS 2298:84P9T nidx=null]
Gravesia pulchrum
 - Gravesia pulchrum (Gilg) Jac.-Fél. [SYNONYM SPECIES 2296:3HBRC nidx=null parent=3HBRB]
 + Gravesia pulchrum (Gilg) Jac.-Fél. [SYNONYM SPECIES 2298:84XFR nidx=null parent=3HBRB]
Gravierella
 - Gravierella [ACCEPTED GENUS 2296:4QY9 nidx=null]
 + Gravierella Fauvel, 1919 [ACCEPTED GENUS 2298:84N4F nidx=null]
Grekoffiana
 - Grekoffiana [ACCEPTED GENUS 2296:636FH nidx=null]
 + Grekoffiana Rossi De Garcia, 1969 [ACCEPTED GENUS 2298:84P9V nidx=null]
Grubeopolynoe
 - Grubeopolynoe [ACCEPTED GENUS 2296:636GJ nidx=null]
 + Grubeopolynoe Pettibone, 1969 [ACCEPTED GENUS 2298:84N4N nidx=null]
Grubeulepis
 - Grubeulepis [ACCEPTED GENUS 2296:4R8K nidx=null]
 + Grubeulepis Pettibone, 1969 [ACCEPTED GENUS 2298:84N4P nidx=null]
Grubianella
 - Grubianella [ACCEPTED GENUS 2296:4R8L nidx=null]
 + Grubianella McIntosh, 1885 [ACCEPTED GENUS 2298:84N4Q nidx=null]
Guaiagorgia
 - Guaiagorgia [ACCEPTED GENUS 2296:4RBV nidx=null]
 + Guaiagorgia Grasshoff & Alderslade, 1997 [ACCEPTED GENUS 2298:84P9Y nidx=null]
Guaranidrilus
 - Guaranidrilus [ACCEPTED GENUS 2296:4RD4 nidx=null]
 + Guaranidrilus Černosvitov, 1937 [ACCEPTED GENUS 2298:84N4R nidx=null]
Guestphalinus
 - Guestphalinus [ACCEPTED GENUS 2296:4RFH nidx=null]
 + Guestphalinus Michaelsen, 1933 [ACCEPTED GENUS 2298:84N4V nidx=null]
Guillermogonita
 - Guillermogonita [ACCEPTED GENUS 2296:4RGZ nidx=null]
 + Guillermogonita Böggemann, 2009 [ACCEPTED GENUS 2298:84PB3 nidx=null]
Guitarra
 - Guitarra [ACCEPTED GENUS 2296:4RJ2 nidx=null]
 + Guitarra Carter, 1874 [ACCEPTED GENUS 2298:84N4Z nidx=null]
Guitarra fimbriata var. indica
 - Guitarra fimbriata var. indica Dendy, 1916 [SYNONYM VARIETY 2296:5P7X2 nidx=null parent=3HLFD]
 + Guitarra fimbriata var. indica Dendy, 1916 [SYNONYM VARIETY 2298:852TY nidx=null parent=3HLFC]
Guitarridae
 - Guitarridae [ACCEPTED FAMILY 2296:625D3 nidx=null]
 + Guitarridae Dendy, 1924 [ACCEPTED FAMILY 2298:84K3N nidx=null]
Gunnarea
 - Gunnarea [ACCEPTED GENUS 2296:4RKS nidx=null]
 + Gunnarea Johannson, 1927 [ACCEPTED GENUS 2298:84N54 nidx=null]
Gurjanovella
 - Gurjanovella [ACCEPTED GENUS 2296:4RLX nidx=null]
 + Gurjanovella Uschakov, 1926 [ACCEPTED GENUS 2298:84PB8 nidx=null]
Gurjanovella littoralis marisalbi
 - Gurjanovella littoralis marisalbi [SYNONYM SUBSPECIES 2296:5HK6F nidx=null parent=3HMQM]
 + Gurjanovella littoralis marisalbi Ushakov, 1926 [SYNONYM SUBSPECIES 2298:852QZ nidx=null parent=3HMQM]
Gurjanovella littoralis var. maris-albi
 - Gurjanovella littoralis var. maris-albi [SYNONYM VARIETY 2296:5P7Z4 nidx=null parent=3HMQM]
 + Gurjanovella littoralis var. maris-albi Ushakov, 1926 [SYNONYM VARIETY 2298:852TZ nidx=null parent=3HMQM]
Gurjanovella littoralis var. murmanicum
 - Gurjanovella littoralis var. murmanicum [SYNONYM VARIETY 2296:5P7Z5 nidx=null parent=3HMQN]
 + Gurjanovella littoralis var. murmanicum Ushakov, 1926 [SYNONYM VARIETY 2298:852V2 nidx=null parent=84Y5P]
Gurjanovella murmanicum
 - Gurjanovella murmanicum Ushakov, 1926 [ACCEPTED SPECIES 2296:3HMQN nidx=null]
 + Gurjanovella murmanicum Ushakov, 1926 [ACCEPTED SPECIES 2298:84Y5P nidx=null]
Gutuapseudes
 - Gutuapseudes [ACCEPTED GENUS 2296:4RN4 nidx=null]
 + Gutuapseudes Edgar, 1997 [ACCEPTED GENUS 2298:84PBC nidx=null]
Guynia
 - Guynia [ACCEPTED GENUS 2296:4RNK nidx=null]
 + Guynia Duncan, 1873 [ACCEPTED GENUS 2298:84N55 nidx=null]
Guyniidae
 - Guyniidae [ACCEPTED FAMILY 2296:625D8 nidx=null]
 + Guyniidae Hickson, 1910 [ACCEPTED FAMILY 2298:84K3P nidx=null]
Gymnodinium waltzii
 - Gymnodinium waltzii Baumeister, 1957 [SYNONYM SPECIES 2296:3HRZ3 nidx=null parent=3HRPY]
 + Gymnodinium waltzii Baumeister, 1957 [SYNONYM SPECIES 2298:84Y5V nidx=null parent=3HRPY]
Gymnodorvillea
 - Gymnodorvillea [ACCEPTED GENUS 2296:4RTP nidx=null]
 + Gymnodorvillea Wainwright & Perkins, 1982 [ACCEPTED GENUS 2298:84PBD nidx=null]
Gymnonereis
 - Gymnonereis [ACCEPTED GENUS 2296:4RV5 nidx=null]
 + Gymnonereis Horst, 1919 [ACCEPTED GENUS 2298:84N58 nidx=null]
Gymnorete
 - Gymnorete [ACCEPTED GENUS 2296:4RWR nidx=null]
 + Gymnorete Ijima, 1927 [ACCEPTED GENUS 2298:84N59 nidx=null]
Gynaeconitis
 - Gynaeconitis [ACCEPTED GENUS 2296:4RYX nidx=null]
 + Gynaeconitis Regenhardt, 1961 [ACCEPTED GENUS 2298:84PBF nidx=null]
Gyptis
 - Gyptis [ACCEPTED GENUS 2296:4S3G nidx=null]
 + Gyptis Marion, 1874 [ACCEPTED GENUS 2298:84N5C nidx=null]
Gyrophyllum
 - Gyrophyllum [ACCEPTED GENUS 2296:4S67 nidx=null]
 + Gyrophyllum Studer, 1891 [ACCEPTED GENUS 2298:84PBH nidx=null]
Gyrosmilia
 - Gyrosmilia [ACCEPTED GENUS 2296:4S6K nidx=null]
 + Gyrosmilia Milne Edwards & Haime, 1851 [ACCEPTED GENUS 2298:84N5F nidx=null]
Haber
 - Haber [ACCEPTED GENUS 2296:4S7X nidx=null]
 + Haber Holmquist, 1978 [ACCEPTED GENUS 2298:84N5G nidx=null]
Hadacypridina
 - Hadacypridina [ACCEPTED GENUS 2296:635ZZ nidx=null]
 + Hadacypridina Poulsen, 1962 [ACCEPTED GENUS 2298:84PBK nidx=null]
Hadoprion
 - Hadoprion [ACCEPTED GENUS 2296:4SBN nidx=null]
 + Hadoprion Eriksson & Bergman, 1998 [ACCEPTED GENUS 2298:84PBL nidx=null]
Hadrachaeta
 - Hadrachaeta [ACCEPTED GENUS 2296:4SBT nidx=null]
 + Hadrachaeta Hutchings, 1977 [ACCEPTED GENUS 2298:84PBM nidx=null]
Haematocleptes
 - Haematocleptes [ACCEPTED GENUS 2296:4SG3 nidx=null]
 + Haematocleptes Wirén, 1886 [ACCEPTED GENUS 2298:84N5K nidx=null]
Haemonais
 - Haemonais [ACCEPTED GENUS 2296:635PS nidx=null]
 + Haemonais Bretscher, 1900 [ACCEPTED GENUS 2298:84N5L nidx=null]
Hainanius
 - Hainanius [ACCEPTED GENUS 2296:4SLJ nidx=null]
 + Hainanius Bamber, 1999 [ACCEPTED GENUS 2298:84PBT nidx=null]
Halichondria
 - Halichondria [ACCEPTED SUBGENUS 2296:4SQ9 nidx=null]
 - Halichondria [ACCEPTED GENUS 2296:635Q8 nidx=null]
 + Halichondria Fleming, 1828 [ACCEPTED GENUS 2298:84N5P nidx=null]
Halichondria (Halichondria) armata
 - Halichondria (Halichondria) armata Lindgren, 1897 [ACCEPTED SPECIES 2296:3JBVK nidx=null]
 + Halichondria (Halichondria) armata Lindgren, 1897 [SYNONYM SPECIES 2298:84Y6D nidx=null parent=85SN2]
Halichondria (Halichondria) corrugata
 - Halichondria (Halichondria) corrugata Diaz, van Soest & Pomponi, 1993 [ACCEPTED SPECIES 2296:3JBW4 nidx=null]
 + Halichondria (Halichondria) corrugata Diaz, van Soest & Pomponi, 1993 [SYNONYM SPECIES 2298:84Y6F nidx=null parent=85SVD]
Halichondria (Halichondria) granulata
 - Halichondria (Halichondria) granulata Keller, 1891 [ACCEPTED SPECIES 2296:3JBWK nidx=null]
 + Halichondria (Halichondria) granulata Keller, 1891 [SYNONYM SPECIES 2298:84Y6G nidx=null parent=85SVF]
Halichondria (Halichondria) tenera
 - Halichondria (Halichondria) tenera (Marenzeller, 1878) [ACCEPTED SPECIES 2296:3JBY6 nidx=null]
 + Halichondria (Halichondria) tenera (Marenzeller, 1878) [SYNONYM SPECIES 2298:84Y6H nidx=null parent=84Y87]
Halichondria armata
 - Halichondria armata Lindgren, 1897 [SYNONYM SPECIES 2296:6L9G3 nidx=null parent=3JBVK]
 + Halichondria armata Lindgren, 1897 [SYNONYM SPECIES 2298:84Y6J nidx=null parent=85SN2]
Halichondria aspera
 - Halichondria aspera Bowerbank, 1875 [SYNONYM SPECIES 2296:3JBYW nidx=null parent=553SQ]
 + Halichondria aspera Bowerbank, 1875 [AMBIGUOUS_SYNONYM SPECIES 2298:84Y6K nidx=null parent=85T9M]
Halichondria compressa
 - Halichondria compressa Carter, 1886 [SYNONYM SPECIES 2296:3JBZZ nidx=null parent=6BDXD]
 + Halichondria compressa Carter, 1886 [AMBIGUOUS_SYNONYM SPECIES 2298:84Y6L nidx=null parent=85SRQ]
Halichondria corrugata
 - Halichondria corrugata Bowerbank, 1866 [SYNONYM SPECIES 2296:3JC29 nidx=null parent=44S3S]
 - Halichondria corrugata Diaz, van Soest & Pomponi, 1993 [SYNONYM SPECIES 2296:6L9FL nidx=null parent=3JBW4]
 + Halichondria corrugata Bowerbank, 1866 [AMBIGUOUS_SYNONYM SPECIES 2298:84Y6M nidx=null parent=85SZZ]
 + Halichondria corrugata Diaz, van Soest & Pomponi, 1993 [AMBIGUOUS_SYNONYM SPECIES 2298:84Y6N nidx=null parent=85SVD]
Halichondria digitata
 - Halichondria digitata Baer, 1906 [SYNONYM SPECIES 2296:3JC2J nidx=null parent=3JCHV]
 + Halichondria digitata Baer, 1906 [SYNONYM SPECIES 2298:84Y6P nidx=null parent=85SVZ]
Halichondria granulata
 - Halichondria granulata Keller, 1891 [SYNONYM SPECIES 2296:3JC3J nidx=null parent=3JBWK]
 + Halichondria granulata Keller, 1891 [AMBIGUOUS_SYNONYM SPECIES 2298:84Y6Q nidx=null parent=85SVF]
Halichondria suberica
 - Halichondria suberica (Montagu, 1814) [SYNONYM SPECIES 2296:3JC6Q nidx=null parent=53D8P]
 + Halichondria suberica [SYNONYM SPECIES 2298:84Y6S nidx=null parent=53D8P]
Halichondria tenera
 - Halichondria tenera (Marenzeller, 1878) [SYNONYM SPECIES 2296:3JC6W nidx=null parent=3JBY6]
 + Halichondria tenera (Marenzeller, 1878) [SYNONYM SPECIES 2298:84Y6T nidx=null parent=84Y87]
Halichondriidae
 - Halichondriidae [ACCEPTED FAMILY 2296:625H2 nidx=null]
 + Halichondriidae Gray, 1867 [ACCEPTED FAMILY 2298:84K3Q nidx=null]
Haliclona
 - Haliclona [ACCEPTED GENUS 2296:4SQC nidx=null]
 - Haliclona [ACCEPTED SUBGENUS 2296:4SQD nidx=null]
 + Haliclona Grant, 1841 [ACCEPTED GENUS 2298:84N5Q nidx=null]
Haliclona (Gellius) anatarius
 - Haliclona (Gellius) anatarius (Lévi & Lévi, 1983) [ACCEPTED SPECIES 2296:3JC7W nidx=null]
 + Haliclona (Gellius) anatarius (Lévi & Lévi, 1983) [SYNONYM SPECIES 2298:84Y6V nidx=null parent=3JC7L]
Haliclona (Gellius) arctica
 - Haliclona (Gellius) arctica (Hentschel, 1916) [ACCEPTED SPECIES 2296:3JC7Z nidx=null]
 + Haliclona (Gellius) arctica (Hentschel, 1916) [SYNONYM SPECIES 2298:84Y6W nidx=null parent=85SWY]
Haliclona (Gellius) digitata
 - Haliclona (Gellius) digitata (Koltun, 1958) [ACCEPTED SPECIES 2296:3JC8K nidx=null]
 + Haliclona (Gellius) digitata (Koltun, 1958) [SYNONYM SPECIES 2298:84Y6X nidx=null parent=85SVT]
Haliclona (Gellius) foraminosa
 - Haliclona (Gellius) foraminosa (Topsent, 1904) [ACCEPTED SPECIES 2296:3JC8T nidx=null]
 + Haliclona (Gellius) foraminosa (Topsent, 1904) [SYNONYM SPECIES 2298:84Y6Y nidx=null parent=85SVL]
Haliclona (Gellius) fragilis
 - Haliclona (Gellius) fragilis (Bergquist & Warne, 1980) [ACCEPTED SPECIES 2296:3JC8V nidx=null]
 + Haliclona (Gellius) fragilis (Bergquist & Warne, 1980) [SYNONYM SPECIES 2298:84Y6Z nidx=null parent=85SVR]
Haliclona (Gellius) irregularis
 - Haliclona (Gellius) irregularis sensu (Brøndsted, 1924) [PROVISIONALLY_ACCEPTED SPECIES 2296:3JC94 nidx=null]
 - Haliclona (Gellius) irregularis (Kieschnick, 1896) [ACCEPTED SPECIES 2296:3JC95 nidx=null]
 + Haliclona (Gellius) irregularis sensu (Brøndsted, 1924) [MISAPPLIED SPECIES 2298:84Y72 nidx=null parent=85SVM]
 + Haliclona (Gellius) irregularis (Kieschnick, 1896) [SYNONYM SPECIES 2298:84Y73 nidx=null parent=85SVP]
Haliclona (Gellius) pedunculata
 - Haliclona (Gellius) pedunculata (Lévi, 1993) [ACCEPTED SPECIES 2296:3JC9M nidx=null]
 + Haliclona (Gellius) pedunculata (Lévi, 1993) [SYNONYM SPECIES 2298:84Y74 nidx=null parent=85SVJ]
Haliclona (Gellius) tenella
 - Haliclona (Gellius) tenella (Topsent, 1916) [ACCEPTED SPECIES 2296:6L9GZ nidx=null]
 + Haliclona (Gellius) tenella (Topsent, 1916) [SYNONYM SPECIES 2298:84Y75 nidx=null parent=85SVN]
Haliclona (Gellius) tenera
 - Haliclona (Gellius) tenera (Topsent, 1927) [ACCEPTED SPECIES 2296:6KXGT nidx=null]
 + Haliclona (Gellius) tenera (Topsent, 1927) [SYNONYM SPECIES 2298:84Y76 nidx=null parent=85SVK]
Haliclona (Gellius) violacea
 - Haliclona (Gellius) violacea (Laubenfels, 1950) [ACCEPTED SPECIES 2296:6KXGP nidx=null]
 + Haliclona (Gellius) violacea (de Laubenfels, 1950) [SYNONYM SPECIES 2298:84Y78 nidx=null parent=85SVQ]
Haliclona (Halichoclona) perforata
 - Haliclona (Halichoclona) perforata (Pulitzer-Finali, 1986) [ACCEPTED SPECIES 2296:3JCB9 nidx=null]
 + Haliclona (Halichoclona) perforata (Pulitzer-Finali, 1986) [SYNONYM SPECIES 2298:84Y79 nidx=null parent=85SVW]
Haliclona (Haliclona) laevis
 - Haliclona (Haliclona) laevis (Griessinger, 1971) [ACCEPTED SPECIES 2296:3JCBT nidx=null]
 + Haliclona (Haliclona) laevis (Griessinger, 1971) [SYNONYM SPECIES 2298:84Y7B nidx=null parent=85SVY]
Haliclona (Haliclona) reptans
 - Haliclona (Haliclona) reptans (Griessinger, 1971) [ACCEPTED SPECIES 2296:3JCBY nidx=null]
 + Haliclona (Haliclona) reptans (Griessinger, 1971) [SYNONYM SPECIES 2298:84Y7C nidx=null parent=85SW2]
Haliclona (Haliclona) varia
 - Haliclona (Haliclona) varia (Sarà, 1958) [ACCEPTED SPECIES 2296:6KXGL nidx=null]
 + Haliclona (Haliclona) varia (Sarà, 1958) [SYNONYM SPECIES 2298:84Y7D nidx=null parent=85SW3]
Haliclona (Rhizoniera) pedunculata
 - Haliclona (Rhizoniera) pedunculata (Boury-Esnault, Pansini & Uriz, 1994) [ACCEPTED SPECIES 2296:6KXGJ nidx=null]
 + Haliclona (Rhizoniera) pedunculata (Boury-Esnault, Pansini & Uriz, 1994) [SYNONYM SPECIES 2298:84Y7F nidx=null parent=85SWT]
Haliclona arctica
 - Haliclona arctica (Hentschel, 1916) [AMBIGUOUS_SYNONYM SPECIES 2296:3JCFJ nidx=null parent=3JC7Z]
 + Haliclona arctica (Hentschel, 1916) [AMBIGUOUS_SYNONYM SPECIES 2298:84Y7G nidx=null parent=85SWY]
Haliclona cylindrica
 - Haliclona cylindrica (Tanita, 1961) [ACCEPTED SPECIES 2296:6L9HK nidx=null]
 + Haliclona cylindrica (Tanita, 1961) [AMBIGUOUS_SYNONYM SPECIES 2298:84Y7J nidx=null parent=85SXB]
Haliclona densa
 - Haliclona densa (Carter, 1887) [PROVISIONALLY_ACCEPTED SPECIES 2296:3JCHQ nidx=null]
 + Haliclona densa (Carter, 1887) [AMBIGUOUS_SYNONYM SPECIES 2298:84Y7K nidx=null parent=85SWZ]
Haliclona digitata
 - Haliclona digitata sensu (Carter, 1882) [ACCEPTED SPECIES 2296:3JCHT nidx=null]
 - Haliclona digitata (Baer, 1906) [PROVISIONALLY_ACCEPTED SPECIES 2296:3JCHV nidx=null]
 - Haliclona digitata Tanita & Hoshino, 1989 [PROVISIONALLY_ACCEPTED SPECIES 2296:6KXHL nidx=null]
 + Haliclona digitata (Baer, 1906) [SYNONYM SPECIES 2298:84Y7L nidx=null parent=85SVZ]
 + Haliclona digitata sensu (Carter, 1882) [MISAPPLIED SPECIES 2298:84Y7M nidx=null parent=3JCFM]
 + Haliclona digitata Tanita & Hoshino, 1989 [SYNONYM SPECIES 2298:84Y7N nidx=null parent=84Y7V]
Haliclona fistulosa
 - Haliclona fistulosa (Pulitzer-Finali, 1993) [ACCEPTED SPECIES 2296:3JCJS nidx=null]
 + Haliclona fistulosa (Pulitzer-Finali, 1993) [AMBIGUOUS_SYNONYM SPECIES 2298:84WYT nidx=null parent=85SVX]
Haliclona folium
 - Haliclona folium (Lundbeck, 1902) [PROVISIONALLY_ACCEPTED SPECIES 2296:3JCK2 nidx=null]
 + Haliclona folium (Lundbeck, 1902) [AMBIGUOUS_SYNONYM SPECIES 2298:84Y7P nidx=null parent=85SXH]
Haliclona foraminosa
 - Haliclona foraminosa (Thiele, 1905) [PROVISIONALLY_ACCEPTED SPECIES 2296:3JCK4 nidx=null]
 - Haliclona foraminosa (Topsent, 1904) [AMBIGUOUS_SYNONYM SPECIES 2296:3JCK5 nidx=null parent=3JC8T]
 + Haliclona foraminosa (Thiele, 1905) [AMBIGUOUS_SYNONYM SPECIES 2298:84Y7Q nidx=null parent=85SXC]
 + Haliclona foraminosa (Topsent, 1904) [AMBIGUOUS_SYNONYM SPECIES 2298:84Y7R nidx=null parent=85SVL]
Haliclona fragilis
 - Haliclona fragilis Bergquist & Warne, 1980 [PROVISIONALLY_ACCEPTED SPECIES 2296:3JCK9 nidx=null]
 + Haliclona fragilis Bergquist & Warne, 1980 [AMBIGUOUS_SYNONYM SPECIES 2298:84Y7S nidx=null parent=85SWW]
Haliclona glacialis
 - Haliclona glacialis (Hentschel, 1916) [ACCEPTED SPECIES 2296:3JCKH nidx=null]
 + Haliclona glacialis (Hentschel, 1916) [SYNONYM SPECIES 2298:84Y7T nidx=null parent=85SWX]
Haliclona irregularis
 - Haliclona irregularis (Kirkpatrick, 1900) [PROVISIONALLY_ACCEPTED SPECIES 2296:3JCLB nidx=null]
 + Haliclona irregularis (Kirkpatrick, 1900) [AMBIGUOUS_SYNONYM SPECIES 2298:84Y7W nidx=null parent=85SX3]
Haliclona laxa
 - Haliclona laxa (Lendenfeld, 1887) [ACCEPTED SPECIES 2296:3JCLM nidx=null]
 + Haliclona laxa (Lendenfeld, 1887) [SYNONYM SPECIES 2298:84Y7X nidx=null parent=85SPX]
Haliclona mollis
 - Haliclona mollis (Baer, 1906) [PROVISIONALLY_ACCEPTED SPECIES 2296:3JCMR nidx=null]
 - Haliclona mollis (Schmidt, 1870) [ACCEPTED SPECIES 2296:3JCMS nidx=null]
 + Haliclona mollis (Baer, 1906) [AMBIGUOUS_SYNONYM SPECIES 2298:84Y7Y nidx=null parent=85SX5]
Haliclona nishimurai
 - Haliclona nishimurai Tanita, 1977 [ACCEPTED SPECIES 2296:3JCN5 nidx=null]
 + Haliclona nishimurai Tanita, 1977 [SYNONYM SPECIES 2298:84Y7Z nidx=null parent=85SW4]
Haliclona nodosa
 - Haliclona nodosa Lévi, 1993 [PROVISIONALLY_ACCEPTED SPECIES 2296:3JCN8 nidx=null]
 + Haliclona nodosa Lévi, 1993 [AMBIGUOUS_SYNONYM SPECIES 2298:84Y82 nidx=null parent=85SX6]
Haliclona onomichiensis
 - Haliclona onomichiensis Hoshino, 1981 [ACCEPTED SPECIES 2296:3JCNK nidx=null]
 + Haliclona onomichiensis Hoshino, 1981 [SYNONYM SPECIES 2298:84Y83 nidx=null parent=85SW5]
Haliclona scyphonoides
 - Haliclona scyphonoides (Ridley, 1884) [ACCEPTED SPECIES 2296:3JCQW nidx=null]
 + Haliclona scyphonoides () [ACCEPTED SPECIES 2298:84Y84 nidx=null]
Haliclona sortitio
 - Haliclona sortitio Hoshino, 1981 [ACCEPTED SPECIES 2296:3JCRD nidx=null]
 + Haliclona sortitio Hoshino, 1981 [SYNONYM SPECIES 2298:84Y85 nidx=null parent=85SW6]
Haliclona spinosella
 - Haliclona spinosella (Row, 1911) [PROVISIONALLY_ACCEPTED SPECIES 2296:3JCRH nidx=null]
 + Haliclona spinosella (Row, 1911) [AMBIGUOUS_SYNONYM SPECIES 2298:84Y86 nidx=null parent=85SX8]
Haliclona tenera
 - Haliclona tenera (Marenzeller, 1878) [SYNONYM SPECIES 2296:3JCSB nidx=null parent=3JBY6]
 + Haliclona tenera (Marenzeller, 1878) [ACCEPTED SPECIES 2298:84Y87 nidx=null]
Haliclona varia
 - Haliclona varia (Sarà, 1958) [AMBIGUOUS_SYNONYM SPECIES 2296:3JCT9 nidx=null parent=6KXGL]
 + Haliclona varia (Sarà, 1958) [AMBIGUOUS_SYNONYM SPECIES 2298:84Y88 nidx=null parent=85SW3]
Haliclona viola
 - Haliclona viola Hoshino, 1981 [PROVISIONALLY_ACCEPTED SPECIES 2296:3JCTK nidx=null]
 + Haliclona viola Hoshino, 1981 [AMBIGUOUS_SYNONYM SPECIES 2298:84Y89 nidx=null parent=85SX9]
Haliclona violapurpura
 - Haliclona violapurpura Hoshino, 1981 [ACCEPTED SPECIES 2296:3JCTM nidx=null]
 + Haliclona violapurpura Hoshino, 1981 [SYNONYM SPECIES 2298:84Y8B nidx=null parent=85SW7]
Haliclonissa
 - Haliclonissa [ACCEPTED GENUS 2296:63628 nidx=null]
 + Haliclonissa Burton, 1932 [ACCEPTED GENUS 2298:84N5R nidx=null]
Haliclystidae
 - Haliclystidae [ACCEPTED FAMILY 2296:625GR nidx=null]
 + Haliclystidae Haeckel, 1879 [ACCEPTED FAMILY 2298:84K73 nidx=null]
Haliclystus
 - Haliclystus [ACCEPTED GENUS 2296:4SQF nidx=null]
 + Haliclystus James-Clark, 1863 [ACCEPTED GENUS 2298:84N5S nidx=null]
Halicnemia
 - Halicnemia [ACCEPTED GENUS 2296:4SQH nidx=null]
 + Halicnemia Bowerbank, 1864 [ACCEPTED GENUS 2298:84N5T nidx=null]
Halicnemia gallica
 - Halicnemia gallica (Topsent, 1893) [SYNONYM SPECIES 2296:6KXK4 nidx=null parent=6L9JT]
 + Halicnemia gallica (Topsent, 1893) [ACCEPTED SPECIES 2298:84Y8C nidx=null]
Halicometes
 - Halicometes [ACCEPTED GENUS 2296:4SQL nidx=null]
 + Halicometes Topsent, 1898 [ACCEPTED GENUS 2298:84N5V nidx=null]
Halicryptidae
 - Halicryptidae [ACCEPTED FAMILY 2296:625GS nidx=null]
 + Halicryptidae Salvini-Plawen, 1974 [ACCEPTED FAMILY 2298:84K74 nidx=null]
Halicryptomorpha
 - Halicryptomorpha [ACCEPTED ORDER 2296:3B3 nidx=null]
 + Halicryptomorpha Adrianov & Malakhov, 1995 [ACCEPTED ORDER 2298:84JVZ nidx=null]
Halicryptus
 - Halicryptus [ACCEPTED GENUS 2296:4SQR nidx=null]
 + Halicryptus von Siebold, 1849 [ACCEPTED GENUS 2298:84N5W nidx=null]
Haliestes
 - Haliestes [ACCEPTED GENUS 2296:4SR8 nidx=null]
 + Haliestes Siveter, Suton, Briggs & Siveter, 2004 [ACCEPTED GENUS 2298:84PBX nidx=null]
Haliestidae
 - Haliestidae [ACCEPTED FAMILY 2296:625H5 nidx=null]
 + Haliestidae Bamber, 2007 [ACCEPTED FAMILY 2298:84K76 nidx=null]
Halimanemertes
 - Halimanemertes [ACCEPTED GENUS 2296:4SRH nidx=null]
 + Halimanemertes Gibson, 1990 [ACCEPTED GENUS 2298:84PBY nidx=null]
Halimocyathus
 - Halimocyathus [ACCEPTED GENUS 2296:4SRT nidx=null]
 + Halimocyathus James-Clark, 1863 [ACCEPTED GENUS 2298:84N5X nidx=null]
Halipteridae
 - Halipteridae [ACCEPTED FAMILY 2296:625GY nidx=null]
 + Halipteridae Williams, 1995 [ACCEPTED FAMILY 2298:84K3R nidx=null]
Halipteris
 - Halipteris [ACCEPTED GENUS 2296:4SSM nidx=null]
 + Halipteris Kölliker, 1870 [ACCEPTED GENUS 2298:84N5Y nidx=null]
Halipteris heptazooidea
 - Halipteris heptazooidea Acuña & Zamponi, 1992 [ACCEPTED SPECIES 2296:6KYQN nidx=null]
 + Halipteris heptazooidea Acuña & Zamponi, 1992 [SYNONYM SPECIES 2298:84Y8F nidx=null parent=6KZ2T]
Halisarca
 - Halisarca [ACCEPTED GENUS 2296:4SST nidx=null]
 + Halisarca Johnston, 1842 [ACCEPTED GENUS 2298:84N5Z nidx=null]
Halisarcidae
 - Halisarcidae [ACCEPTED FAMILY 2296:625GZ nidx=null]
 + Halisarcidae Schmidt, 1862 [ACCEPTED FAMILY 2298:84K3S nidx=null]
Halispongia mantelli
 - Halispongia mantelli Bowerbank, 1874 [SYNONYM SPECIES 2296:6KZ4Y nidx=null parent=RH2G]
 + Halispongia mantelli Bowerbank, 1874 [SYNONYM SPECIES 2298:84Y8H nidx=null parent=84ZR2]
Halispongia ventriculoides
 - Halispongia ventriculoides Bowerbank, 1874 [SYNONYM SPECIES 2296:6KYSS nidx=null parent=RH2G]
 + Halispongia ventriculoides Bowerbank, 1874 [SYNONYM SPECIES 2298:84Y8J nidx=null parent=84ZR2]
Halmyrapseudes
 - Halmyrapseudes [ACCEPTED GENUS 2296:635QN nidx=null]
 + Halmyrapseudes Bacescu & Gutu, 1974 [ACCEPTED GENUS 2298:84N62 nidx=null]
Halocypretta
 - Halocypretta [ACCEPTED GENUS 2296:4SVX nidx=null]
 + Halocypretta Chavtur & Stovbun, 2008 [ACCEPTED GENUS 2298:84PBZ nidx=null]
Halocypria
 - Halocypria [ACCEPTED GENUS 2296:4SVY nidx=null]
 + Halocypria Poulsen, 1969 [ACCEPTED GENUS 2298:84N64 nidx=null]
Halocyprida
 - Halocyprida [ACCEPTED ORDER 2296:3B5 nidx=null]
 + Halocyprida Dana, 1853 [ACCEPTED ORDER 2298:84JPV nidx=null]
Halocyprididae
 - Halocyprididae [ACCEPTED FAMILY 2296:625HX nidx=null]
 + Halocyprididae Dana, 1853 [ACCEPTED FAMILY 2298:84K3T nidx=null]
Halocypridoidea
 - Halocypridoidea [ACCEPTED SUPERFAMILY 2296:57B nidx=null]
 + Halocypridoidea Dana, 1853 [ACCEPTED SUPERFAMILY 2298:84JSD nidx=null]
Halocypris
 - Halocypris [ACCEPTED GENUS 2296:4SVZ nidx=null]
 + Halocypris Dana, 1853 [ACCEPTED GENUS 2298:84N65 nidx=null]
Halomitra
 - Halomitra [ACCEPTED GENUS 2296:4SX4 nidx=null]
 + Halomitra Dana, 1846 [ACCEPTED GENUS 2298:84N66 nidx=null]
Halosydna
 - Halosydna [ACCEPTED GENUS 2296:4SZB nidx=null]
 + Halosydna Kinberg, 1856 [ACCEPTED GENUS 2298:84N68 nidx=null]
Halosydnella
 - Halosydnella [ACCEPTED GENUS 2296:4SZC nidx=null]
 + Halosydnella Hartman, 1938 [ACCEPTED GENUS 2298:84N69 nidx=null]
Halosydnopsis
 - Halosydnopsis [ACCEPTED GENUS 2296:4SZD nidx=null]
 + Halosydnopsis Uschakov & Wu, 1959 [ACCEPTED GENUS 2298:84N6B nidx=null]
Hamacantha
 - Hamacantha [ACCEPTED SUBGENUS 2296:4T3G nidx=null]
 - Hamacantha [ACCEPTED GENUS 2296:4T3H nidx=null]
 + Hamacantha Gray, 1867 [ACCEPTED GENUS 2298:84N6C nidx=null]
Hamacanthidae
 - Hamacanthidae [ACCEPTED FAMILY 2296:624YQ nidx=null]
 + Hamacanthidae Gray, 1872 [ACCEPTED FAMILY 2298:84K3V nidx=null]
Hamatipeda
 - Hamatipeda [ACCEPTED GENUS 2296:4T4D nidx=null]
 + Hamatipeda Blazewicz-Paszkowycz, 2007 [ACCEPTED GENUS 2298:84PC2 nidx=null]
Hamingia
 - Hamingia [ACCEPTED GENUS 2296:4T5G nidx=null]
 + Hamingia Danielssen & Koren, 1880 [ACCEPTED GENUS 2298:84N6F nidx=null]
Hanaiborchella
 - Hanaiborchella [ACCEPTED GENUS 2296:635QX nidx=null]
 + Hanaiborchella Gruendel, 1976 [ACCEPTED GENUS 2298:84PC4 nidx=null]
Hanaiceratina
 - Hanaiceratina [ACCEPTED GENUS 2296:4T7F nidx=null]
 + Hanaiceratina McKenzie, 1974 [ACCEPTED GENUS 2298:84PC5 nidx=null]
Hanchiangella
 - Hanchiangella [ACCEPTED GENUS 2296:4T7L nidx=null]
 + Hanchiangella Huo, 1956 [ACCEPTED GENUS 2298:84PC6 nidx=null]
Hansacypris
 - Hansacypris [ACCEPTED GENUS 2296:4T9F nidx=null]
 + Hansacypris Wouters, 1984 [ACCEPTED GENUS 2298:84PC7 nidx=null]
Haplocope
 - Haplocope [ACCEPTED GENUS 2296:62TRT nidx=null]
 + Haplocope Sars, 1882 [ACCEPTED GENUS 2298:84N6H nidx=null]
Haplosclerida
 - Haplosclerida [ACCEPTED ORDER 2296:3BF nidx=null]
 + Haplosclerida Topsent, 1928 [ACCEPTED ORDER 2298:84JPW nidx=null]
Haploscoloplos alaskensis
 - Haploscoloplos alaskensis Hartman, 1948 [SYNONYM SPECIES 2296:6LD7N nidx=null parent=5F3CZ]
 + Haploscoloplos alaskensis Hartman, 1948 [SYNONYM SPECIES 2298:84Y94 nidx=null parent=85FMX]
Haplosyllides
 - Haplosyllides [ACCEPTED GENUS 2296:4TL8 nidx=null]
 + Haplosyllides Augener, 1922 [ACCEPTED GENUS 2298:84PCG nidx=null]
Haplosyllis
 - Haplosyllis [ACCEPTED GENUS 2296:4TL9 nidx=null]
 + Haplosyllis Langerhans, 1879 [ACCEPTED GENUS 2298:84N6N nidx=null]
Haplosyllis oligochaeta
 - Haplosyllis oligochaeta [SYNONYM SPECIES 2296:3JPHR nidx=null parent=3JPHX]
 + Haplosyllis oligochaeta (Bobretzky, 1870) [SYNONYM SPECIES 2298:84Y95 nidx=null parent=3JPHX]
Haplotaxida
 - Haplotaxida [ACCEPTED ORDER 2296:3BH nidx=null]
 + Haplotaxida Brinkhurst, 1971 [ACCEPTED ORDER 2298:84JPX nidx=null]
Haplotaxidae
 - Haplotaxidae [ACCEPTED FAMILY 2296:624ZC nidx=null]
 + Haplotaxidae Michaelsen, 1900 [ACCEPTED FAMILY 2298:84K3W nidx=null]
Haplotaxis
 - Haplotaxis [ACCEPTED GENUS 2296:4TLD nidx=null]
 + Haplotaxis Hoffmeister, 1843 [ACCEPTED GENUS 2298:84N6P nidx=null]
Harbansus
 - Harbansus [ACCEPTED GENUS 2296:4TNW nidx=null]
 + Harbansus Kornicker, 1978 [ACCEPTED GENUS 2298:84N6Q nidx=null]
Harleya
 - Harleya [ACCEPTED GENUS 2296:4TQ3 nidx=null]
 + Harleya Jellinek & Swanson, 2003 [ACCEPTED GENUS 2298:84PCK nidx=null]
Harmothoe
 - Harmothoe [ACCEPTED GENUS 2296:4TRD nidx=null]
 + Harmothoe Kinberg, 1856 [ACCEPTED GENUS 2298:84N6T nidx=null]
Harmothoe mexicana
 - Harmothoe mexicana Chamberlin, 1919 [ACCEPTED SPECIES 2296:3JRGL nidx=null]
 + Harmothoe mexicana Chamberlin, 1919 [SYNONYM SPECIES 2298:84WZ6 nidx=null parent=85DTS]
Harmothoe tenebricosa
 - Harmothoe tenebricosa Moore, 1910 [ACCEPTED SPECIES 2296:3JRJF nidx=null]
 + Harmothoe tenebricosa Moore, 1910 [SYNONYM SPECIES 2298:84Y97 nidx=null parent=85DTW]
Hartiella
 - Hartiella [ACCEPTED GENUS 2296:4TX5 nidx=null]
 + Hartiella Danielopol, 1971 [ACCEPTED GENUS 2298:84PCV nidx=null]
Hartmania
 - Hartmania [ACCEPTED GENUS 2296:4TXD nidx=null]
 + Hartmania Pettibone, 1955 [ACCEPTED GENUS 2298:84N6Y nidx=null]
Hartmaniella
 - Hartmaniella [ACCEPTED GENUS 2296:63655 nidx=null]
 + Hartmaniella Imajima, 1977 [ACCEPTED GENUS 2298:84N6Z nidx=null]
Hartmaniellidae
 - Hartmaniellidae [ACCEPTED FAMILY 2296:625B4 nidx=null]
 + Hartmaniellidae Imajima, 1977 [ACCEPTED FAMILY 2298:84K3X nidx=null]
Hartmanipsammolyce
 - Hartmanipsammolyce [ACCEPTED GENUS 2296:4TXG nidx=null]
 + Hartmanipsammolyce Pettibone, 1997 [ACCEPTED GENUS 2298:84PCW nidx=null]
Hartmannosa
 - Hartmannosa [ACCEPTED GENUS 2296:4TXL nidx=null]
 + Hartmannosa Özdikmen, 2009 [ACCEPTED GENUS 2298:84PCX nidx=null]
Hartmanonuphis
 - Hartmanonuphis [ACCEPTED GENUS 2296:4TXQ nidx=null]
 + Hartmanonuphis Paxton, 1986 [ACCEPTED GENUS 2298:84PCY nidx=null]
Hauchiella
 - Hauchiella [ACCEPTED GENUS 2296:6364Z nidx=null]
 + Hauchiella Levinsen, 1893 [ACCEPTED GENUS 2298:84N76 nidx=null]
Haughtonileberis
 - Haughtonileberis [ACCEPTED GENUS 2296:635SC nidx=null]
 + Haughtonileberis Dingle, 1969 [ACCEPTED GENUS 2298:84PCZ nidx=null]
Havanardia
 - Havanardia [ACCEPTED GENUS 2296:6365Q nidx=null]
 + Havanardia Pokorny, 1968 [ACCEPTED GENUS 2298:84PD2 nidx=null]
Hedgpethia
 - Hedgpethia [ACCEPTED GENUS 2296:62TVJ nidx=null]
 + Hedgpethia Turpaeva, 1973 [ACCEPTED GENUS 2298:84N7B nidx=null]
Hedgpethius
 - Hedgpethius [ACCEPTED GENUS 2296:635VJ nidx=null]
 + Hedgpethius Child, 1974 [ACCEPTED GENUS 2298:84N7C nidx=null]
Hediste
 - Hediste [ACCEPTED GENUS 2296:62TWP nidx=null]
 + Hediste Malmgren, 1867 [ACCEPTED GENUS 2298:84N7D nidx=null]
Heilogonemertes
 - Heilogonemertes [ACCEPTED GENUS 2296:6368K nidx=null]
 + Heilogonemertes Gibson, 2002 [ACCEPTED GENUS 2298:84PD7 nidx=null]
Heinia
 - Heinia [ACCEPTED GENUS 2296:62THG nidx=null]
 + Heinia Bold, 1985 [ACCEPTED GENUS 2298:84PD8 nidx=null]
Heinzmalzina
 - Heinzmalzina [ACCEPTED GENUS 2296:635HL nidx=null]
 + Heinzmalzina Mostafawi, 1992 [ACCEPTED GENUS 2298:84PD9 nidx=null]
Heliania
 - Heliania [ACCEPTED GENUS 2296:62TKC nidx=null]
 + Heliania Gray, 1860 [ACCEPTED GENUS 2298:84PDC nidx=null]
Heliaster
 - Heliaster [ACCEPTED GENUS 2296:635KG nidx=null]
 + Heliaster Hollande & Enjumet, 1960 [ACCEPTED GENUS 2298:84N7H nidx=null]
Helicogorgia
 - Helicogorgia [ACCEPTED GENUS 2296:635LJ nidx=null]
 + Helicogorgia Verrill, 1883 [ACCEPTED GENUS 2298:84PDG nidx=null]
Helicoprimnoa
 - Helicoprimnoa [ACCEPTED GENUS 2296:62TKV nidx=null]
 + Helicoprimnoa Cairns, 2012 [ACCEPTED GENUS 2298:84PDH nidx=null]
Helicosiphon
 - Helicosiphon [ACCEPTED GENUS 2296:635KY nidx=null]
 + Helicosiphon Gravier, 1907 [ACCEPTED GENUS 2298:84PDJ nidx=null]
Heligme rheedii
 - Heligme rheedii Náves [SYNONYM SPECIES 2296:6LKHN nidx=null parent=3Y8YV]
 + Heligme rheedii Náves [SYNONYM SPECIES 2298:84XHT nidx=null parent=3Y8YV]
Heliocythere
 - Heliocythere [ACCEPTED GENUS 2296:635NF nidx=null]
 + Heliocythere Bonaduce, Ruggieri & Russo, 1988 [ACCEPTED GENUS 2298:84PDK nidx=null]
Heliofungia
 - Heliofungia [ACCEPTED GENUS 2296:635NK nidx=null]
 + Heliofungia Wells, 1966 [ACCEPTED GENUS 2298:84N7K nidx=null]
Heliopora
 - Heliopora [ACCEPTED GENUS 2296:635P4 nidx=null]
 + Heliopora de Blainville, 1830 [ACCEPTED GENUS 2298:84N7L nidx=null]
Helioporacea
 - Helioporacea [ACCEPTED ORDER 2296:3BT nidx=null]
 + Helioporacea Bock, 1938 [ACCEPTED ORDER 2298:84JPY nidx=null]
Helioporidae
 - Helioporidae [ACCEPTED FAMILY 2296:6253K nidx=null]
 + Helioporidae Moseley, 1876 [ACCEPTED FAMILY 2298:84K3Y nidx=null]
Helioseris
 - Helioseris [ACCEPTED GENUS 2296:637CY nidx=null]
 + Helioseris Milne Edwards & Haime, 1849 [ACCEPTED GENUS 2298:84N7M nidx=null]
Helleborus bocconi
 - Helleborus bocconi Schur [SYNONYM SPECIES 2296:3KF9B nidx=null parent=6LNJZ]
 + Helleborus bocconi Schur [SYNONYM SPECIES 2298:84XHW nidx=null parent=6LNJZ]
Helmetophorus
 - Helmetophorus [ACCEPTED GENUS 2296:62VDT nidx=null]
 + Helmetophorus Hartman, 1978 [ACCEPTED GENUS 2298:84PDN nidx=null]
Helmutneris
 - Helmutneris [ACCEPTED GENUS 2296:62VF6 nidx=null]
 + Helmutneris Carrera-Parra, 2006 [ACCEPTED GENUS 2298:84PDP nidx=null]
Helodrilus
 - Helodrilus [ACCEPTED GENUS 2296:637GK nidx=null]
 + Helodrilus Hoffmeister, 1845 [ACCEPTED GENUS 2298:84N7P nidx=null]
Hemiasterella
 - Hemiasterella [ACCEPTED GENUS 2296:637HW nidx=null]
 + Hemiasterella Carter, 1879 [ACCEPTED GENUS 2298:84N7Q nidx=null]
Hemiasterella camelus
 - Hemiasterella camelus Van Soest, 2017 [ACCEPTED SPECIES 2296:3KLM2 nidx=null]
 + Hemiasterella camelus Van Soest, 2017 [SYNONYM SPECIES 2298:84YBD nidx=null parent=85JT7]
Hemiasterellidae
 - Hemiasterellidae [ACCEPTED FAMILY 2296:624RV nidx=null]
 + Hemiasterellidae Lendenfeld, 1889 [ACCEPTED FAMILY 2298:84K3Z nidx=null]
Hemiastrella digitata
 - Hemiastrella digitata [SYNONYM SPECIES 2296:3KLMD nidx=null parent=3KLM4]
 + Hemiastrella digitata Burton, 1929 [SYNONYM SPECIES 2298:84YBF nidx=null parent=3KLM4]
Hemiastrella vasiformis
 - Hemiastrella vasiformis [SYNONYM SPECIES 2296:6LNRM nidx=null parent=3KLMB]
 + Hemiastrella vasiformis (Kirkpatrick, 1903) [SYNONYM SPECIES 2298:84YBG nidx=null parent=3KLMB]
Hemichela
 - Hemichela [ACCEPTED GENUS 2296:4V22 nidx=null]
 + Hemichela Stock, 1954 [ACCEPTED GENUS 2298:84N7R nidx=null]
Hemicorallium
 - Hemicorallium [ACCEPTED GENUS 2296:4V2W nidx=null]
 + Hemicorallium Gray, 1867 [ACCEPTED GENUS 2298:84PDR nidx=null]
Hemicyprideis
 - Hemicyprideis [ACCEPTED GENUS 2296:637KK nidx=null]
 + Hemicyprideis Malz & Triebel, 1970 [ACCEPTED GENUS 2298:84PDS nidx=null]
Hemicythere
 - Hemicythere [ACCEPTED GENUS 2296:4V3X nidx=null]
 + Hemicythere Sars, 1925 [ACCEPTED GENUS 2298:84N7S nidx=null]
Hemicytheria
 - Hemicytheria [ACCEPTED GENUS 2296:4V3Y nidx=null]
 + Hemicytheria Pokorny, 1955 [ACCEPTED GENUS 2298:84PDT nidx=null]
Hemicytheridae
 - Hemicytheridae [ACCEPTED FAMILY 2296:624RW nidx=null]
 + Hemicytheridae Puri, 1953 [ACCEPTED FAMILY 2298:84K42 nidx=null]
Hemicytheridea
 - Hemicytheridea [ACCEPTED GENUS 2296:4V3Z nidx=null]
 + Hemicytheridea Kingma, 1948 [ACCEPTED GENUS 2298:84PDV nidx=null]
Hemicytherura
 - Hemicytherura [ACCEPTED GENUS 2296:4V42 nidx=null]
 + Hemicytherura Elofson, 1941 [ACCEPTED GENUS 2298:84N7W nidx=null]
Hemicytherura stationis
 - Hemicytherura stationis (Mueller, 1908) Whatley, Chadwick, Coxill & Toy, 1 [ACCEPTED SPECIES 2296:3KN76 nidx=null]
 + Hemicytherura stationis (Mueller, 1908) Whatley, Chadwick, Coxill & Toy, 1988 [ACCEPTED SPECIES 2298:84YBM nidx=null]
Hemienchytraeus
 - Hemienchytraeus [ACCEPTED GENUS 2296:4V4W nidx=null]
 + Hemienchytraeus Černosvitov, 1934 [ACCEPTED GENUS 2298:84N7X nidx=null]
Hemifridericia
 - Hemifridericia [ACCEPTED GENUS 2296:637KM nidx=null]
 + Hemifridericia Nielsen & Christensen, 1959 [ACCEPTED GENUS 2298:84N7Y nidx=null]
Hemigellius
 - Hemigellius [ACCEPTED GENUS 2296:4V5K nidx=null]
 + Hemigellius Burton, 1932 [ACCEPTED GENUS 2298:84N82 nidx=null]
Hemikalliapseudes
 - Hemikalliapseudes [ACCEPTED GENUS 2296:4V6N nidx=null]
 + Hemikalliapseudes Lang, 1956 [ACCEPTED GENUS 2298:84N83 nidx=null]
Hemikrithe
 - Hemikrithe [ACCEPTED GENUS 2296:4V6P nidx=null]
 + Hemikrithe Bold, 1950 [ACCEPTED GENUS 2298:84PDY nidx=null]
Hemilepidia
 - Hemilepidia [ACCEPTED GENUS 2296:4V76 nidx=null]
 + Hemilepidia Schmarda, 1861 [ACCEPTED GENUS 2298:84N84 nidx=null]
Hemilepidia erythrotaenia
 - Hemilepidia erythrotaenia Schmarda, 1861 [ACCEPTED SPECIES 2296:3KPL9 nidx=null]
 + Hemilepidia erythrotaenia Schmarda, 1861 [SYNONYM SPECIES 2298:84X2F nidx=null parent=85F87]
Hemimycale
 - Hemimycale [ACCEPTED GENUS 2296:4V8K nidx=null]
 + Hemimycale Burton, 1934 [ACCEPTED GENUS 2298:84N85 nidx=null]
Hemingwayella
 - Hemingwayella [ACCEPTED GENUS 2296:4V8V nidx=null]
 + Hemingwayella Neale, 1975 [ACCEPTED GENUS 2298:84PF2 nidx=null]
Hemiparacytheridea
 - Hemiparacytheridea [ACCEPTED GENUS 2296:4V9V nidx=null]
 + Hemiparacytheridea Herrig, 1963 [ACCEPTED GENUS 2298:84PF3 nidx=null]
Hemiparvocythere
 - Hemiparvocythere [ACCEPTED GENUS 2296:4V9W nidx=null]
 + Hemiparvocythere Hartmann, 1982 [ACCEPTED GENUS 2298:84PF4 nidx=null]
Hemipodia
 - Hemipodia [ACCEPTED GENUS 2296:636ZY nidx=null]
 + Hemipodia Kinberg, 1865 [ACCEPTED GENUS 2298:84PF5 nidx=null]
Hemitedania
 - Hemitedania [ACCEPTED GENUS 2296:4VFB nidx=null]
 + Hemitedania Hallmann, 1914 [ACCEPTED GENUS 2298:84N88 nidx=null]
Hemitrachyleberis
 - Hemitrachyleberis [ACCEPTED GENUS 2296:4VG3 nidx=null]
 + Hemitrachyleberis Hartmann, 1974 [ACCEPTED GENUS 2298:84PF7 nidx=null]
Henlea
 - Henlea [ACCEPTED GENUS 2296:4VKB nidx=null]
 + Henlea Michaelsen, 1889 [ACCEPTED GENUS 2298:84N89 nidx=null]
Henneguya
 - Henneguya [ACCEPTED GENUS 2296:4VKG nidx=null]
 + Henneguya Thélohan, 1892 [ACCEPTED GENUS 2298:84PF8 nidx=null]
Henryhowella
 - Henryhowella [ACCEPTED GENUS 2296:4VLV nidx=null]
 + Henryhowella Puri, 1957 [ACCEPTED GENUS 2298:84N8C nidx=null]
Heptabrachia
 - Heptabrachia [ACCEPTED GENUS 2296:4VNX nidx=null]
 + Heptabrachia Ivanov, 1952 [ACCEPTED GENUS 2298:84N8D nidx=null]
Heptaceras
 - Heptaceras [ACCEPTED GENUS 2296:4VNZ nidx=null]
 + Heptaceras Ehlers, 1868 [ACCEPTED GENUS 2298:84PFC nidx=null]
Heptaprimnoa
 - Heptaprimnoa [ACCEPTED GENUS 2296:4VPM nidx=null]
 + Heptaprimnoa Cairns, 2012 [ACCEPTED GENUS 2298:84PFF nidx=null]
Heptonema
 - Heptonema [ACCEPTED GENUS 2296:4VQB nidx=null]
 + Heptonema Poulsen, 1965 [ACCEPTED GENUS 2298:84N8F nidx=null]
Herengeria
 - Herengeria [ACCEPTED GENUS 2296:4VSS nidx=null]
 + Herengeria Lévi & Lévi, 1988 [ACCEPTED GENUS 2298:84N8J nidx=null]
Hermadion
 - Hermadion [ACCEPTED GENUS 2296:4VTR nidx=null]
 + Hermadion Kinberg, 1856 [ACCEPTED GENUS 2298:84N8K nidx=null]
Hermadionella
 - Hermadionella [ACCEPTED GENUS 2296:4VTS nidx=null]
 + Hermadionella Uschakov, 1982 [ACCEPTED GENUS 2298:84PFG nidx=null]
Hermenia
 - Hermenia [ACCEPTED GENUS 2296:62VBW nidx=null]
 + Hermenia Grube, 1856 [ACCEPTED GENUS 2298:84N8M nidx=null]
Hermilepidonotus
 - Hermilepidonotus [ACCEPTED GENUS 2296:62V3K nidx=null]
 + Hermilepidonotus Uschakov, 1974 [ACCEPTED GENUS 2298:84PFJ nidx=null]
Hermionopsis
 - Hermionopsis [ACCEPTED GENUS 2296:4VV7 nidx=null]
 + Hermionopsis Seidler, 1923 [ACCEPTED GENUS 2298:84N8N nidx=null]
Hermodice
 - Hermodice [ACCEPTED GENUS 2296:6373M nidx=null]
 + Hermodice Kinberg, 1857 [ACCEPTED GENUS 2298:84N8P nidx=null]
Hermundura
 - Hermundura [ACCEPTED GENUS 2296:4VVK nidx=null]
 + Hermundura Müller, 1858 [ACCEPTED GENUS 2298:84PFL nidx=null]
Hermundura americana
 - Hermundura americana (Hartman, 1947) [SYNONYM SPECIES 2296:3L2F6 nidx=null parent=6LRGX]
 + Hermundura americana (Hartman, 1947) [ACCEPTED SPECIES 2298:84YCB nidx=null]
Hermundura gracilis
 - Hermundura gracilis (Hartmann-Schröder, 1959) [SYNONYM SPECIES 2296:3L2FD nidx=null parent=6LRGX]
 + Hermundura gracilis (Hartmann-Schröder, 1959) [ACCEPTED SPECIES 2298:84YCC nidx=null]
Heronidrilus
 - Heronidrilus [ACCEPTED GENUS 2296:4VW9 nidx=null]
 + Heronidrilus Erséus & Jamieson, 1981 [ACCEPTED GENUS 2298:84PFM nidx=null]
Herpolitha
 - Herpolitha [ACCEPTED GENUS 2296:4VXM nidx=null]
 + Herpolitha Eschscholtz, 1825 [ACCEPTED GENUS 2298:84N8Q nidx=null]
Herpotanais
 - Herpotanais [ACCEPTED GENUS 2296:4VXW nidx=null]
 + Herpotanais Wolff, 1956 [ACCEPTED GENUS 2298:84PFN nidx=null]
Herrmannina
 - Herrmannina [ACCEPTED GENUS 2296:4VYK nidx=null]
 + Herrmannina Kegel, 1934 [ACCEPTED GENUS 2298:84PFP nidx=null]
Hertwigia
 - Hertwigia [ACCEPTED GENUS 2296:4VZ2 nidx=null]
 + Hertwigia Schmidt, 1880 [ACCEPTED GENUS 2298:84N8S nidx=null]
Hesiobranchia
 - Hesiobranchia [ACCEPTED GENUS 2296:62V3R nidx=null]
 + Hesiobranchia Ruta & Pleijel, 2006 [ACCEPTED GENUS 2298:84PFQ nidx=null]
Hesiodeira
 - Hesiodeira [ACCEPTED GENUS 2296:4VZG nidx=null]
 + Hesiodeira Blake & Hilbig, 1990 [ACCEPTED GENUS 2298:84PFR nidx=null]
Hesiolyra
 - Hesiolyra [ACCEPTED GENUS 2296:4VZJ nidx=null]
 + Hesiolyra Blake, 1985 [ACCEPTED GENUS 2298:84PFS nidx=null]
Hesione
 - Hesione [ACCEPTED GENUS 2296:4VZK nidx=null]
 + Hesione Lamarck, 1818 [ACCEPTED GENUS 2298:84N8T nidx=null]
Hesionella
 - Hesionella [ACCEPTED GENUS 2296:4VZL nidx=null]
 + Hesionella Hartman, 1939 [ACCEPTED GENUS 2298:84N8V nidx=null]
Hesionella pacifica
 - Hesionella pacifica Friedrich, 1956 [SYNONYM SPECIES 2296:3L3YY nidx=null parent=73HZH]
 + Hesionella pacifica Friedrich, 1956 [SYNONYM SPECIES 2298:84YCD nidx=null parent=84XZN]
Hesionidae
 - Hesionidae [ACCEPTED FAMILY 2296:6254C nidx=null]
 + Hesionidae Grube, 1850 [ACCEPTED FAMILY 2298:84K43 nidx=null]
Hesionides
 - Hesionides [ACCEPTED GENUS 2296:4VZM nidx=null]
 + Hesionides Friedrich, 1937 [ACCEPTED GENUS 2298:84N8W nidx=null]
Hesionura
 - Hesionura [ACCEPTED GENUS 2296:4VZN nidx=null]
 + Hesionura Hartmann-Schröder, 1958 [ACCEPTED GENUS 2298:84N8X nidx=null]
Hesiospina
 - Hesiospina [ACCEPTED GENUS 2296:4VZP nidx=null]
 + Hesiospina Imajima & Hartman, 1964 [ACCEPTED GENUS 2298:84N8Y nidx=null]
Hesperonoe
 - Hesperonoe [ACCEPTED GENUS 2296:4W45 nidx=null]
 + Hesperonoe Chamberlin, 1919 [ACCEPTED GENUS 2298:84N8Z nidx=null]
Hesperophyllum tectum
 - Hesperophyllum tectum Chamberlin, 1919 [SYNONYM SPECIES 2296:3L5S5 nidx=null parent=6SBFC]
 + Hesperophyllum tectum Chamberlin, 1919 [SYNONYM SPECIES 2298:84X3R nidx=null parent=84XS8]
Heteralentia
 - Heteralentia [ACCEPTED GENUS 2296:4W78 nidx=null]
 + Heteralentia Hanley & Burke, 1991 [ACCEPTED GENUS 2298:84PFT nidx=null]
Heteraphrodita
 - Heteraphrodita [ACCEPTED GENUS 2296:4W7Z nidx=null]
 + Heteraphrodita Pettibone, 1966 [ACCEPTED GENUS 2298:84N92 nidx=null]
Heterochaetella
 - Heterochaetella [ACCEPTED GENUS 2296:62V3C nidx=null]
 + Heterochaetella Yamaguchi, 1953 [ACCEPTED GENUS 2298:84PFW nidx=null]
Heterochone
 - Heterochone [ACCEPTED GENUS 2296:4WBF nidx=null]
 + Heterochone Ijima, 1927 [ACCEPTED GENUS 2298:84N93 nidx=null]
Heteroclymene
 - Heteroclymene [ACCEPTED GENUS 2296:4WCB nidx=null]
 + Heteroclymene Arwidsson, 1906 [ACCEPTED GENUS 2298:84N94 nidx=null]
Heteroconchella
 - Heteroconchella [ACCEPTED GENUS 2296:4WCP nidx=null]
 + Heteroconchella Hu & Tao, 2008 [ACCEPTED GENUS 2298:84PFX nidx=null]
Heterocyathus
 - Heterocyathus [ACCEPTED GENUS 2296:4WDN nidx=null]
 + Heterocyathus Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84N95 nidx=null]
Heterocyprideis
 - Heterocyprideis [ACCEPTED GENUS 2296:4WDV nidx=null]
 + Heterocyprideis Elofson, 1941 [ACCEPTED GENUS 2298:84N96 nidx=null]
Heterocypris
 - Heterocypris [ACCEPTED GENUS 2296:4WDW nidx=null]
 + Heterocypris Claus, 1893 [ACCEPTED GENUS 2298:84N97 nidx=null]
Heterocythereis
 - Heterocythereis [ACCEPTED GENUS 2296:636RH nidx=null]
 + Heterocythereis Elofson, 1941 [ACCEPTED GENUS 2298:84PFY nidx=null]
Heterodesmus
 - Heterodesmus [ACCEPTED GENUS 2296:6374L nidx=null]
 + Heterodesmus Brady, 1866 [ACCEPTED GENUS 2298:84PFZ nidx=null]
Heterodrilus
 - Heterodrilus [ACCEPTED GENUS 2296:636SR nidx=null]
 + Heterodrilus Pierantoni, 1902 [ACCEPTED GENUS 2298:84N98 nidx=null]
Heteroenopleus
 - Heteroenopleus [ACCEPTED GENUS 2296:6374R nidx=null]
 + Heteroenopleus Wern, 1998 [ACCEPTED GENUS 2298:84PG2 nidx=null]
Heterofragilia
 - Heterofragilia [ACCEPTED GENUS 2296:4WF4 nidx=null]
 + Heterofragilia Hedgpeth, 1943 [ACCEPTED GENUS 2298:84N99 nidx=null]
Heterogorgia
 - Heterogorgia [ACCEPTED GENUS 2296:4WFW nidx=null]
 + Heterogorgia Verrill, 1868 [ACCEPTED GENUS 2298:84N9B nidx=null]
Heteroisotoma stebajevae
 - Heteroisotoma stebajevae Jie, D, Potapov, M & Sokolova, E, 2011 [SYNONYM SPECIES 2296:6M54L nidx=null parent=6M4SL]
 + Heteroisotoma stebajevae Jie, D, Potapov, M & Sokolova, E, 2011 [SYNONYM SPECIES 2298:84YCN nidx=null parent=6M4SL]
Heteromastus
 - Heteromastus [ACCEPTED GENUS 2296:4WHZ nidx=null]
 + Heteromastus Eisig, 1887 [ACCEPTED GENUS 2298:84N9F nidx=null]
Heteromeyenia
 - Heteromeyenia [ACCEPTED GENUS 2296:4WJD nidx=null]
 + Heteromeyenia Potts, 1881 [ACCEPTED GENUS 2298:84N9G nidx=null]
Heteromeyenia repens
 - Heteromeyenia repens (Potts, 1880) [ACCEPTED SPECIES 2296:6LSX6 nidx=null]
 + Heteromeyenia repens (Potts, 1881) [SYNONYM SPECIES 2298:84YDH nidx=null parent=6LT8S]
Heteronemertea
 - Heteronemertea [ACCEPTED ORDER 2296:3C8 nidx=null]
 + Heteronemertea Bürger, 1892 [ACCEPTED ORDER 2298:84JPZ nidx=null]
Heteronemertes
 - Heteronemertes [ACCEPTED GENUS 2296:4WKR nidx=null]
 + Heteronemertes Chernyshev, 1995 [ACCEPTED GENUS 2298:84PG3 nidx=null]
Heteronereis grandifolia
 - Heteronereis grandifolia Malmgren, 1865 [SYNONYM SPECIES 2296:6LSLP nidx=null parent=474S9]
 + Heteronereis grandifolia (Rathke, 1843) [SYNONYM SPECIES 2298:84YDJ nidx=null parent=474S9]
Heteronymphon
 - Heteronymphon [ACCEPTED GENUS 2296:4WLD nidx=null]
 + Heteronymphon Gordon, 1932 [ACCEPTED GENUS 2298:84N9H nidx=null]
Heteropelogenia
 - Heteropelogenia [ACCEPTED GENUS 2296:4WM4 nidx=null]
 + Heteropelogenia Pettibone, 1997 [ACCEPTED GENUS 2298:84PG4 nidx=null]
Heteropia
 - Heteropia [ACCEPTED GENUS 2296:4WN4 nidx=null]
 + Heteropia Carter, 1886 [ACCEPTED GENUS 2298:84N9J nidx=null]
Heteropiidae
 - Heteropiidae [ACCEPTED FAMILY 2296:6255Y nidx=null]
 + Heteropiidae Dendy, 1893 [ACCEPTED FAMILY 2298:84K44 nidx=null]
Heteropodarke
 - Heteropodarke [ACCEPTED GENUS 2296:4WNM nidx=null]
 + Heteropodarke Hartmann-Schröder, 1962 [ACCEPTED GENUS 2298:84N9K nidx=null]
Heteropolynoe
 - Heteropolynoe [ACCEPTED GENUS 2296:636SW nidx=null]
 + Heteropolynoe Bidenkap, 1907 [ACCEPTED GENUS 2298:84N9M nidx=null]
Heteropolypus
 - Heteropolypus [ACCEPTED GENUS 2296:4WNV nidx=null]
 + Heteropolypus Tixier-Durivault, 1964 [ACCEPTED GENUS 2298:84PG5 nidx=null]
Heteropsammia
 - Heteropsammia [ACCEPTED GENUS 2296:4WPD nidx=null]
 + Heteropsammia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84N9P nidx=null]
Heterorete
 - Heterorete [ACCEPTED GENUS 2296:4WQD nidx=null]
 + Heterorete Dendy, 1916 [ACCEPTED GENUS 2298:84N9Q nidx=null]
Heterorotula
 - Heterorotula [ACCEPTED GENUS 2296:4WQM nidx=null]
 + Heterorotula Penney & Racek, 1968 [ACCEPTED GENUS 2298:84N9R nidx=null]
Heterospio
 - Heterospio [ACCEPTED GENUS 2296:4WSG nidx=null]
 + Heterospio Ehlers, 1874 [ACCEPTED GENUS 2298:84N9S nidx=null]
Heterotanais
 - Heterotanais [ACCEPTED GENUS 2296:4WTR nidx=null]
 + Heterotanais Sars, 1882 [ACCEPTED GENUS 2298:84N9T nidx=null]
Heterotanoides
 - Heterotanoides [ACCEPTED GENUS 2296:4WTS nidx=null]
 + Heterotanoides Sieg, 1977 [ACCEPTED GENUS 2298:84N9V nidx=null]
Heterotanoididae
 - Heterotanoididae [ACCEPTED FAMILY 2296:624TG nidx=null]
 + Heterotanoididae Bird, 2012 [ACCEPTED FAMILY 2298:84K79 nidx=null]
Heterotella
 - Heterotella [ACCEPTED GENUS 2296:4WTW nidx=null]
 + Heterotella Gray, 1867 [ACCEPTED GENUS 2298:84N9W nidx=null]
Heteroxenia
 - Heteroxenia [ACCEPTED GENUS 2296:4WVM nidx=null]
 + Heteroxenia Kölliker, 1874 [ACCEPTED GENUS 2298:84PGB nidx=null]
Heteroxya
 - Heteroxya [ACCEPTED GENUS 2296:4WVR nidx=null]
 + Heteroxya Topsent, 1898 [ACCEPTED GENUS 2298:84N9Y nidx=null]
Heteroxyidae
 - Heteroxyidae [ACCEPTED FAMILY 2296:6255J nidx=null]
 + Heteroxyidae Dendy, 1905 [ACCEPTED FAMILY 2298:84K7H nidx=null]
Hexactinella
 - Hexactinella [ACCEPTED GENUS 2296:4WXV nidx=null]
 + Hexactinella Carter, 1885 [ACCEPTED GENUS 2298:84NB2 nidx=null]
Hexactinellida
 - Hexactinellida [ACCEPTED CLASS 2296:CF nidx=null]
 + Hexactinellida Schmidt, 1870 [ACCEPTED CLASS 2298:84JND nidx=null]
Hexadella
 - Hexadella [ACCEPTED GENUS 2296:4WY3 nidx=null]
 + Hexadella Topsent, 1896 [ACCEPTED GENUS 2298:84NB3 nidx=null]
Hexapleomera
 - Hexapleomera [ACCEPTED GENUS 2296:4WZJ nidx=null]
 + Hexapleomera Dudich, 1931 [ACCEPTED GENUS 2298:84NB4 nidx=null]
Hicksonella
 - Hicksonella [ACCEPTED GENUS 2296:4X59 nidx=null]
 + Hicksonella Nutting, 1910 [ACCEPTED GENUS 2298:84PGH nidx=null]
Hicorius minimus
 - Hicorius minimus (Britton) Sarg. [SYNONYM SPECIES 2296:3LKHG nidx=null parent=RHS3]
 + Hicorius minimus (Britton) Sarg. [SYNONYM SPECIES 2298:84XL6 nidx=null parent=RHS3]
Hieracium austroamericanum
 - Hieracium austroamericanum Dahlst. ex Zahn [SYNONYM SPECIES 2296:6M72J nidx=null parent=3LRX9]
 + Hieracium austroamericanum Dahlst. ex Zahn [SYNONYM SPECIES 2298:84XLB nidx=null parent=3LRX9]
Hieracium liottardii
 - Hieracium liottardii Vill. [SYNONYM SPECIES 2296:3LQHW nidx=null parent=5HXJY]
 + Hieracium liottardii Vill. [SYNONYM SPECIES 2298:84XNB nidx=null parent=5HXJY]
Hieracium sylvaticum
 - Hieracium sylvaticum Porta [AMBIGUOUS_SYNONYM SPECIES 2296:3LTRD nidx=null parent=5KFK8]
 + Hieracium sylvaticum Porta [AMBIGUOUS_SYNONYM SPECIES 2298:84XNR nidx=null parent=5KFK8]
Higginsia
 - Higginsia [ACCEPTED GENUS 2296:4X6K nidx=null]
 + Higginsia Higgin, 1877 [ACCEPTED GENUS 2298:84NB7 nidx=null]
Higginsia anfractuosa
 - Higginsia anfractuosa Hooper & Lévi, 1993 [ACCEPTED SPECIES 2296:3LVVF nidx=null]
 + Higginsia anfractuosa Hooper & Lévi, 1993 [SYNONYM SPECIES 2298:84YGD nidx=null parent=85GBV]
Higginsia durissima
 - Higginsia durissima (Burton, 1928) [ACCEPTED SPECIES 2296:3LVVQ nidx=null]
 + Higginsia durissima (Burton, 1928) [SYNONYM SPECIES 2298:84YGF nidx=null parent=84W8L]
Higginsia fragilis
 - Higginsia fragilis Lévi, 1961 [ACCEPTED SPECIES 2296:3LVVR nidx=null]
 + Higginsia fragilis Lévi, 1961 [SYNONYM SPECIES 2298:84YGG nidx=null parent=85T7X]
Hilbigneris
 - Hilbigneris [ACCEPTED GENUS 2296:4X7M nidx=null]
 + Hilbigneris Carrera-Parra, 2006 [ACCEPTED GENUS 2298:84PGK nidx=null]
Himalayaia
 - Himalayaia [ACCEPTED GENUS 2296:4X9K nidx=null]
 + Himalayaia Singh & Dar Shukla, 1981 [ACCEPTED GENUS 2298:84PGP nidx=null]
Hindenites
 - Hindenites [ACCEPTED GENUS 2296:4XCF nidx=null]
 + Hindenites Bergman, 1987 [ACCEPTED GENUS 2298:84PGR nidx=null]
Hindeoprion
 - Hindeoprion [ACCEPTED GENUS 2296:4XCG nidx=null]
 + Hindeoprion Szaniawski & Wrona, 1973 [ACCEPTED GENUS 2298:84PGS nidx=null]
Hintziella
 - Hintziella [ACCEPTED GENUS 2296:4XDL nidx=null]
 + Hintziella Berdan, 1988 [ACCEPTED GENUS 2298:84PGV nidx=null]
Hinumanemertes
 - Hinumanemertes [ACCEPTED GENUS 2296:4XDM nidx=null]
 + Hinumanemertes Iwata, 1970 [ACCEPTED GENUS 2298:84PGW nidx=null]
Hipponoe
 - Hipponoe [ACCEPTED GENUS 2296:636V9 nidx=null]
 + Hipponoe Audouin & Milne Edwards, 1830 [ACCEPTED GENUS 2298:84PGX nidx=null]
Hippospongia
 - Hippospongia [ACCEPTED GENUS 2296:4XGK nidx=null]
 + Hippospongia Schulze, 1879 [ACCEPTED GENUS 2298:84NBD nidx=null]
Hircinia dendroides
 - Hircinia dendroides (Poléjaeff, 1884) [SYNONYM SPECIES 2296:3M3S4 nidx=null parent=6MWLB]
 + Hircinia dendroides (Poléjaeff, 1884) [AMBIGUOUS_SYNONYM SPECIES 2298:84YGK nidx=null parent=85SYT]
Hirohitonemertes
 - Hirohitonemertes [ACCEPTED GENUS 2296:4XHM nidx=null]
 + Hirohitonemertes Crandall, Norenburg, Chernyshev, Maslakova, Schwartz & Kajihara, 2002 [ACCEPTED GENUS 2298:84PGY nidx=null]
Hirsutocythere
 - Hirsutocythere [ACCEPTED GENUS 2296:4XJG nidx=null]
 + Hirsutocythere Howe, 1951 [ACCEPTED GENUS 2298:84PGZ nidx=null]
Hirsutonuphis
 - Hirsutonuphis [ACCEPTED GENUS 2296:4XJK nidx=null]
 + Hirsutonuphis Paxton, 1986 [ACCEPTED GENUS 2298:84PH2 nidx=null]
Hispidopetra
 - Hispidopetra [ACCEPTED GENUS 2296:4XLY nidx=null]
 + Hispidopetra Hartman, 1969 [ACCEPTED GENUS 2298:84NBG nidx=null]
Histodermella
 - Histodermella [ACCEPTED GENUS 2296:4XN8 nidx=null]
 + Histodermella Lundbeck, 1910 [ACCEPTED GENUS 2298:84NBH nidx=null]
Histodermella solenoidea
 - Histodermella solenoidea Lévi, 1964 [SYNONYM SPECIES 2296:3M5J7 nidx=null parent=WSZ7]
 + Histodermella solenoidea Lévi, 1964 [ACCEPTED SPECIES 2298:84YGM nidx=null]
Histriobdella
 - Histriobdella [ACCEPTED GENUS 2296:4XNK nidx=null]
 + Histriobdella Van Beneden, 1858 [ACCEPTED GENUS 2298:84NBJ nidx=null]
Histriobdellidae
 - Histriobdellidae [ACCEPTED FAMILY 2296:624V4 nidx=null]
 + Histriobdellidae Claus & Moquin-Tandon, 1884 [ACCEPTED FAMILY 2298:84K45 nidx=null]
Hodometrica
 - Hodometrica [ACCEPTED GENUS 2296:4XQD nidx=null]
 + Hodometrica Miller, 1940 [ACCEPTED GENUS 2298:84NBK nidx=null]
Hodor
 - Hodor [ACCEPTED GENUS 2296:4XQJ nidx=null]
 + Hodor Bonifácio & Menot, 2018 [ACCEPTED GENUS 2298:84PH6 nidx=null]
Hoferellus
 - Hoferellus [ACCEPTED GENUS 2296:4XRF nidx=null]
 + Hoferellus Berg, 1898 [ACCEPTED GENUS 2298:84PH8 nidx=null]
Hogmochilina
 - Hogmochilina [ACCEPTED GENUS 2296:4XSP nidx=null]
 + Hogmochilina Solle, 1935 [ACCEPTED GENUS 2298:84PH9 nidx=null]
Hoilungia
 - Hoilungia [ACCEPTED GENUS 2296:4XT5 nidx=null]
 + Hoilungia Eitel, Schierwater & Wörheide, 2018 [ACCEPTED GENUS 2298:84PHB nidx=null]
Holascus
 - Holascus [ACCEPTED GENUS 2296:4XTP nidx=null]
 + Holascus Schulze, 1886 [ACCEPTED GENUS 2298:84NBL nidx=null]
Holcotrochus
 - Holcotrochus [ACCEPTED GENUS 2296:4XVG nidx=null]
 + Holcotrochus Dennant, 1902 [ACCEPTED GENUS 2298:84NBN nidx=null]
Hologynus
 - Hologynus [ACCEPTED GENUS 2296:4XZ4 nidx=null]
 + Hologynus Brinkhurst, 1988 [ACCEPTED GENUS 2298:84PHD nidx=null]
Hololepida
 - Hololepida [ACCEPTED GENUS 2296:4XZD nidx=null]
 + Hololepida Moore, 1905 [ACCEPTED GENUS 2298:84NBP nidx=null]
Hololepidella
 - Hololepidella [ACCEPTED GENUS 2296:6377Z nidx=null]
 + Hololepidella Willey, 1905 [ACCEPTED GENUS 2298:84NBQ nidx=null]
Holopsamma
 - Holopsamma [ACCEPTED GENUS 2296:4Y35 nidx=null]
 + Holopsamma Carter, 1885 [ACCEPTED GENUS 2298:84NBR nidx=null]
Holoxea
 - Holoxea [ACCEPTED GENUS 2296:4Y4W nidx=null]
 + Holoxea Topsent, 1892 [ACCEPTED GENUS 2298:84NBT nidx=null]
Homaphrodite
 - Homaphrodite [ACCEPTED GENUS 2296:4Y9C nidx=null]
 + Homaphrodite Gall & Grauvogel, 1966 [ACCEPTED GENUS 2298:84PHP nidx=null]
Homasterope
 - Homasterope [ACCEPTED GENUS 2296:4Y9L nidx=null]
 + Homasterope Kornicker, 1975 [ACCEPTED GENUS 2298:84PHQ nidx=null]
Homaxinella
 - Homaxinella [ACCEPTED GENUS 2296:4Y9N nidx=null]
 + Homaxinella Topsent, 1916 [ACCEPTED GENUS 2298:84NBV nidx=null]
Homoieurete
 - Homoieurete [ACCEPTED GENUS 2296:4YCY nidx=null]
 + Homoieurete Reiswig & Kelly, 2011 [ACCEPTED GENUS 2298:84PHV nidx=null]
Homophyllia
 - Homophyllia [ACCEPTED GENUS 2296:63799 nidx=null]
 + Homophyllia Brüggemann, 1877 [ACCEPTED GENUS 2298:84NBX nidx=null]
Homophymia
 - Homophymia [ACCEPTED GENUS 2296:6378Y nidx=null]
 + Homophymia Vacelet & Vasseur, 1971 [ACCEPTED GENUS 2298:84NBY nidx=null]
Homophyton
 - Homophyton [ACCEPTED GENUS 2296:636WZ nidx=null]
 + Homophyton Gray, 1866 [ACCEPTED GENUS 2298:84NBZ nidx=null]
Homoscleromorpha
 - Homoscleromorpha [ACCEPTED CLASS 2296:62257 nidx=null]
 + Homoscleromorpha Bergquist, 1978 [ACCEPTED CLASS 2298:84JNF nidx=null]
Homosclerophorida
 - Homosclerophorida [ACCEPTED ORDER 2296:3CT nidx=null]
 + Homosclerophorida Dendy, 1905 [ACCEPTED ORDER 2298:84JQ3 nidx=null]
Hoplangia
 - Hoplangia [ACCEPTED GENUS 2296:4YJF nidx=null]
 + Hoplangia Gosse, 1860 [ACCEPTED GENUS 2298:84NC3 nidx=null]
Hoplonemertea
 - Hoplonemertea [ACCEPTED CLASS 2296:CQ nidx=null]
 + Hoplonemertea Hubrecht, 1879 [ACCEPTED CLASS 2298:84JQ4 nidx=null]
Hoplopolemius
 - Hoplopolemius [ACCEPTED GENUS 2296:4YPB nidx=null]
 + Hoplopolemius Sganga & Roccatagliata, 2016 [ACCEPTED GENUS 2298:84PJ7 nidx=null]
Horastrea
 - Horastrea [ACCEPTED GENUS 2296:4YRC nidx=null]
 + Horastrea Pichon, 1971 [ACCEPTED GENUS 2298:84NC6 nidx=null]
Horstileanira
 - Horstileanira [ACCEPTED GENUS 2296:4YVT nidx=null]
 + Horstileanira Pettibone, 1970 [ACCEPTED GENUS 2298:84NC8 nidx=null]
Houssayella
 - Houssayella [ACCEPTED GENUS 2296:4YY5 nidx=null]
 + Houssayella Bonetto & Ezcurra de Drago, 1966 [ACCEPTED GENUS 2298:84NCB nidx=null]
Howeina
 - Howeina [ACCEPTED GENUS 2296:4Z26 nidx=null]
 + Howeina Hanai, 1957 [ACCEPTED GENUS 2298:84PJD nidx=null]
Hrabea
 - Hrabea [ACCEPTED GENUS 2296:4Z2R nidx=null]
 + Hrabea Yamaguchi, 1936 [ACCEPTED GENUS 2298:84NCD nidx=null]
Hrabeus
 - Hrabeus [ACCEPTED GENUS 2296:4Z2S nidx=null]
 + Hrabeus Semernoy, 2004 [ACCEPTED GENUS 2298:84PJF nidx=null]
Hsiaolina
 - Hsiaolina [ACCEPTED GENUS 2296:4Z2W nidx=null]
 + Hsiaolina Hu & Tao, 2008 [ACCEPTED GENUS 2298:84PJG nidx=null]
Huainanella
 - Huainanella [ACCEPTED GENUS 2296:4Z3C nidx=null]
 + Huainanella Wang, 1983 [ACCEPTED GENUS 2298:84PJH nidx=null]
Hubrechtella
 - Hubrechtella [ACCEPTED GENUS 2296:4Z55 nidx=null]
 + Hubrechtella Bergendal, 1902 [ACCEPTED GENUS 2298:84NCG nidx=null]
Hubrechtia
 - Hubrechtia [ACCEPTED GENUS 2296:4Z56 nidx=null]
 + Hubrechtia Bürger, 1892 [ACCEPTED GENUS 2298:84PJJ nidx=null]
Huilkalineus
 - Huilkalineus [ACCEPTED GENUS 2296:4Z6J nidx=null]
 + Huilkalineus Senz, 1993 [ACCEPTED GENUS 2298:84PJL nidx=null]
Huilkia
 - Huilkia [ACCEPTED GENUS 2296:4Z6K nidx=null]
 + Huilkia de la Serna de Esteban & Moretto, 1968 [ACCEPTED GENUS 2298:84PJM nidx=null]
Hulingsina
 - Hulingsina [ACCEPTED GENUS 2296:4Z6X nidx=null]
 + Hulingsina Puri, 1958 [ACCEPTED GENUS 2298:84PJN nidx=null]
Humphreyscandona
 - Humphreyscandona [ACCEPTED GENUS 2296:636YD nidx=null]
 + Humphreyscandona Karanovic & Marmonier, 2003 [ACCEPTED GENUS 2298:84PJP nidx=null]
Humphreysella
 - Humphreysella [ACCEPTED GENUS 2296:4Z9B nidx=null]
 + Humphreysella Kornicker & Danielopol in Kornicker, Danielopol & Humphreys, 2006 [ACCEPTED GENUS 2298:84PJQ nidx=null]
Hutchingsiella
 - Hutchingsiella [ACCEPTED GENUS 2296:636KK nidx=null]
 + Hutchingsiella Londoño-Mesa, 2003 [ACCEPTED GENUS 2298:84PJV nidx=null]
Hyalascus
 - Hyalascus [ACCEPTED GENUS 2296:4ZCT nidx=null]
 + Hyalascus Ijima, 1896 [ACCEPTED GENUS 2298:84NCM nidx=null]
Hyalinoecia
 - Hyalinoecia [ACCEPTED GENUS 2296:4ZDJ nidx=null]
 + Hyalinoecia Malmgren, 1867 [ACCEPTED GENUS 2298:84NCN nidx=null]
Hyalocaulus
 - Hyalocaulus [ACCEPTED GENUS 2296:636K2 nidx=null]
 + Hyalocaulus Marshall & Meyer, 1877 [ACCEPTED GENUS 2298:84NCP nidx=null]
Hyalocoecia
 - Hyalocoecia [ACCEPTED GENUS 2296:636JZ nidx=null]
 + Hyalocoecia Chavtur, in Chavtur & Bashmanov, 2018 [ACCEPTED GENUS 2298:84PJW nidx=null]
Hyalonema
 - Hyalonema [ACCEPTED SUBGENUS 2296:4ZFH nidx=null]
 - Hyalonema [ACCEPTED GENUS 2296:4ZFJ nidx=null]
 + Hyalonema Gray, 1832 [ACCEPTED GENUS 2298:84NCQ nidx=null]
Hyalonema (Coscinonema) ovatum
 - Hyalonema (Coscinonema) ovatum Okada, 1932 [ACCEPTED SPECIES 2296:3MWJ5 nidx=null]
 + Hyalonema (Coscinonema) ovatum Okada, 1932 [SYNONYM SPECIES 2298:84YH7 nidx=null parent=85SXT]
Hyalonema (Stylocalyx) thomsonii
 - Hyalonema (Stylocalyx) thomsonii [SYNONYM SPECIES 2296:3MWMS nidx=null parent=3MWK5]
 + Hyalonema (Stylocalyx) thomsonii Marshall, 1875 [SYNONYM SPECIES 2298:84YHC nidx=null parent=3MWK5]
Hyalonema ovatum
 - Hyalonema ovatum Okada, 1932 [SYNONYM SPECIES 2296:3MWPS nidx=null parent=3MWJ5]
 + Hyalonema ovatum Okada, 1932 [AMBIGUOUS_SYNONYM SPECIES 2298:84YHD nidx=null parent=85SXT]
Hyalonema reflexum
 - Hyalonema reflexum Ijima, 1894 [SYNONYM SPECIES 2296:3MWQ9 nidx=null parent=6YJRC]
 + Hyalonema reflexum Ijima, 1894 [SYNONYM SPECIES 2298:84YHF nidx=null parent=85SYQ]
Hyalonematidae
 - Hyalonematidae [ACCEPTED FAMILY 2296:B7G nidx=null]
 + Hyalonematidae Gray, 1857 [ACCEPTED FAMILY 2298:84K48 nidx=null]
Hyalopale
 - Hyalopale [ACCEPTED GENUS 2296:4ZFM nidx=null]
 + Hyalopale Perkins, 1985 [ACCEPTED GENUS 2298:84PJX nidx=null]
Hyaloplacoida
 - Hyaloplacoida [ACCEPTED GENUS 2296:4ZG4 nidx=null]
 + Hyaloplacoida Tabachnick, 1989 [ACCEPTED GENUS 2298:84NCR nidx=null]
Hyalopomatus
 - Hyalopomatus [ACCEPTED GENUS 2296:4ZG9 nidx=null]
 + Hyalopomatus Marenzeller, 1878 [ACCEPTED GENUS 2298:84NCS nidx=null]
Hyalospinifera
 - Hyalospinifera [ACCEPTED GENUS 2296:4ZHG nidx=null]
 + Hyalospinifera Kucheruk, 1979 [ACCEPTED GENUS 2298:84PJY nidx=null]
Hyalostylus
 - Hyalostylus [ACCEPTED GENUS 2296:4ZHN nidx=null]
 + Hyalostylus Schulze, 1886 [ACCEPTED GENUS 2298:84NCT nidx=null]
Hyattella
 - Hyattella [ACCEPTED GENUS 2296:4ZJJ nidx=null]
 + Hyattella Lendenfeld, 1888 [ACCEPTED GENUS 2298:84NCV nidx=null]
Hyboscolex
 - Hyboscolex [ACCEPTED GENUS 2296:4ZLN nidx=null]
 + Hyboscolex Schmarda, 1861 [ACCEPTED GENUS 2298:84NCW nidx=null]
Hydnophora
 - Hydnophora [ACCEPTED GENUS 2296:4ZNZ nidx=null]
 + Hydnophora Fischer von Waldheim, 1807 [ACCEPTED GENUS 2298:84NCX nidx=null]
Hydnophyllia
 - Hydnophyllia [ACCEPTED GENUS 2296:4ZP2 nidx=null]
 + Hydnophyllia Reis, 1889 [ACCEPTED GENUS 2298:84PK4 nidx=null]
Hydroides
 - Hydroides [ACCEPTED GENUS 2296:4ZT5 nidx=null]
 + Hydroides Gunnerus, 1768 [ACCEPTED GENUS 2298:84NCZ nidx=null]
Hydroides homocerus
 - Hydroides homocerus [auct. misspelling (gender suffix) ] [SYNONYM SPECIES 2296:3N7BJ nidx=null parent=3N7BH]
 + Hydroides homocerus [misspelling of homoceros] [SYNONYM SPECIES 2298:84YJ2 nidx=null parent=3N7BH]
Hymedesmia
 - Hymedesmia [ACCEPTED GENUS 2296:525X nidx=null]
 + Hymedesmia Bowerbank, 1864 [ACCEPTED GENUS 2298:84ND6 nidx=null]
Hymedesmia (Ectyodesmia) inflata
 - Hymedesmia (Ectyodesmia) inflata Vacelet, 1969 [SYNONYM SPECIES 2296:3NH4T nidx=null parent=3NH6S]
 + Hymedesmia (Ectyodesmia) inflata Vacelet, 1969 [SYNONYM SPECIES 2298:84YJ3 nidx=null parent=85SY8]
Hymedesmia (Hymedesmia) antarctica
 - Hymedesmia (Hymedesmia) antarctica Boury-Esnault & van Beveren, 1982 [ACCEPTED SPECIES 2296:3NH59 nidx=null]
 + Hymedesmia (Hymedesmia) antarctica Boury-Esnault & van Beveren, 1982 [SYNONYM SPECIES 2298:84YJ4 nidx=null parent=84YJ5]
 + Hymedesmia (Hymedesmia) antarctica Hentschel, 1914 [ACCEPTED SPECIES 2298:84YJ5 nidx=null]
Hymedesmia (Hymedesmia) inflata
 - Hymedesmia (Hymedesmia) inflata Vacelet, 1969 [PROVISIONALLY_ACCEPTED SPECIES 2296:3NH6S nidx=null]
 + Hymedesmia (Hymedesmia) inflata Vacelet, 1969 [AMBIGUOUS_SYNONYM SPECIES 2298:84YJ6 nidx=null parent=85SY8]
Hymedesmia (Hymedesmia) tenuicula
 - Hymedesmia (Hymedesmia) tenuicula Lundbeck, 1910 [ACCEPTED SPECIES 2296:3NH9H nidx=null]
 + Hymedesmia (Hymedesmia) tenuicula Lundbeck, 1910 [SYNONYM SPECIES 2298:84YJ7 nidx=null parent=85SY9]
Hymedesmia (Stylopus) antarctica
 - Hymedesmia (Stylopus) antarctica Hentschel, 1914 [ACCEPTED SPECIES 2296:6MPH6 nidx=null]
 + Hymedesmia (Stylopus) antarctica Hentschel, 1914 [SYNONYM SPECIES 2298:84YJ8 nidx=null parent=85SYB]
Hymedesmia (Stylopus) dermata var. antarctica
 - Hymedesmia (Stylopus) dermata var. antarctica Hentschel, 1914 [ACCEPTED VARIETY 2296:5PF2Y nidx=null]
 + Hymedesmia (Stylopus) dermata var. antarctica Hentschel, 1914 [SYNONYM VARIETY 2298:852V3 nidx=null parent=85SYC]
Hymedesmia (Stylopus) longurius var. antarctica
 - Hymedesmia (Stylopus) longurius var. antarctica Hentschel, 1914 [SYNONYM VARIETY 2296:5PF2Z nidx=null parent=6MPH6]
 + Hymedesmia (Stylopus) longurius var. antarctica Hentschel, 1914 [SYNONYM VARIETY 2298:852V4 nidx=null parent=85SYB]
Hymedesmia dermata var. antarctica
 - Hymedesmia dermata var. antarctica Hentschel, 1914 [SYNONYM VARIETY 2296:5PF33 nidx=null parent=5PF2Y]
 + Hymedesmia dermata var. antarctica Hentschel, 1914 [SYNONYM VARIETY 2298:852V5 nidx=null parent=85SYC]
Hymedesmia inflata
 - Hymedesmia inflata Vacelet, 1969 [SYNONYM SPECIES 2296:3NHDF nidx=null parent=3NH6S]
 + Hymedesmia inflata Vacelet, 1969 [AMBIGUOUS_SYNONYM SPECIES 2298:84YJ9 nidx=null parent=85SY8]
Hymedesmia longurius var. antarctica
 - Hymedesmia longurius var. antarctica Hentschel, 1914 [SYNONYM VARIETY 2296:5PF38 nidx=null parent=6MPH6]
 + Hymedesmia longurius var. antarctica Hentschel, 1914 [SYNONYM VARIETY 2298:852V6 nidx=null parent=85SYB]
Hymedesmia similima var. antarctica
 - Hymedesmia similima var. antarctica Hentschel, 1914 [SYNONYM VARIETY 2296:7M5BJ nidx=null parent=5PF2W]
 + Hymedesmia similima var. antarctica Hentschel, 1914 [SYNONYM VARIETY 2298:852V7 nidx=null parent=5PF2W]
Hymedesmia tenuicula
 - Hymedesmia tenuicula Lundbeck, 1910 [SYNONYM SPECIES 2296:3NHGQ nidx=null parent=3NH9H]
 + Hymedesmia tenuicula Lundbeck, 1910 [AMBIGUOUS_SYNONYM SPECIES 2298:84YJC nidx=null parent=85SY9]
Hymedesmiidae
 - Hymedesmiidae [ACCEPTED FAMILY 2296:B9P nidx=null]
 + Hymedesmiidae Topsent, 1928 [ACCEPTED FAMILY 2298:84K4B nidx=null]
Hymenancora
 - Hymenancora [ACCEPTED GENUS 2296:5264 nidx=null]
 + Hymenancora Lundbeck, 1910 [ACCEPTED GENUS 2298:84ND7 nidx=null]
Hymeniacidon
 - Hymeniacidon [ACCEPTED GENUS 2296:526J nidx=null]
 + Hymeniacidon Bowerbank, 1858 [ACCEPTED GENUS 2298:84ND8 nidx=null]
Hymeniacidon halichondroides
 - Hymeniacidon halichondroides (Burton, 1932) [AMBIGUOUS_SYNONYM SPECIES 2296:3NHXY nidx=null parent=7DS6L]
 + Hymeniacidon halichondroides (Burton, 1932) [AMBIGUOUS_SYNONYM SPECIES 2298:84YJF nidx=null parent=85SYF]
Hymeniacidon sinapium
 - Hymeniacidon sinapium de Laubenfels, 1930 [ACCEPTED SPECIES 2296:3NHZJ nidx=null]
 + Hymeniacidon sinapium de Laubenfels, 1930 [SYNONYM SPECIES 2298:84X4X nidx=null parent=3NHYZ]
Hymenophyllum microcarpon
 - Hymenophyllum microcarpon Fée [SYNONYM SPECIES 2296:3NKJ4 nidx=null parent=6MP46]
 + Hymenophyllum microcarpon Fée [SYNONYM SPECIES 2298:84X4Y nidx=null parent=6MP46]
Hymeraphia
 - Hymeraphia [ACCEPTED GENUS 2296:5297 nidx=null]
 + Hymeraphia Bowerbank, 1864 [ACCEPTED GENUS 2298:84ND9 nidx=null]
Hymerhabdia
 - Hymerhabdia [ACCEPTED GENUS 2296:5298 nidx=null]
 + Hymerhabdia Topsent, 1892 [ACCEPTED GENUS 2298:84NDB nidx=null]
Hymerhabdiidae
 - Hymerhabdiidae [ACCEPTED FAMILY 2296:6256B nidx=null]
 + Hymerhabdiidae Morrow, Picton, Erpenbeck, Boury-Esnault, Maggs & Allcock, 2012 [ACCEPTED FAMILY 2298:84K7L nidx=null]
Hymetrochota
 - Hymetrochota [ACCEPTED GENUS 2296:5299 nidx=null]
 + Hymetrochota Topsent, 1904 [ACCEPTED GENUS 2298:84PKB nidx=null]
Hyolithellus
 - Hyolithellus [ACCEPTED GENUS 2296:63726 nidx=null]
 + Hyolithellus Bengtson in Bengtson, Conway Morris, Cooper, Jell & Runnegar, 1990 [ACCEPTED GENUS 2298:84PKC nidx=null]
Hyolithes
 - Hyolithes [ACCEPTED GENUS 2296:529V nidx=null]
 + Hyolithes Eichwald, 1840 [ACCEPTED GENUS 2298:84PKD nidx=null]
Hypania
 - Hypania [ACCEPTED GENUS 2296:52B6 nidx=null]
 + Hypania Ostroumoff, 1897 [ACCEPTED GENUS 2298:84NDD nidx=null]
Hypaniola
 - Hypaniola [ACCEPTED GENUS 2296:52B7 nidx=null]
 + Hypaniola Annenkova, 1927 [ACCEPTED GENUS 2298:84NDF nidx=null]
Hypereteone
 - Hypereteone [ACCEPTED GENUS 2296:636QT nidx=null]
 + Hypereteone Bergström, 1914 [ACCEPTED GENUS 2298:84PKF nidx=null]
Hyperhalosydna
 - Hyperhalosydna [ACCEPTED GENUS 2296:63736 nidx=null]
 + Hyperhalosydna Augener, 1922 [ACCEPTED GENUS 2298:84NDH nidx=null]
Hypericum linariifolium
 - Hypericum linariifolium Vahl [ACCEPTED SPECIES 2296:3NPSG nidx=null]
 + Hypericum linariifolium Vahl [ACCEPTED SPECIES 2298:84XPR nidx=null]
Hyphalocope
 - Hyphalocope [ACCEPTED GENUS 2296:52HX nidx=null]
 + Hyphalocope Karanovic & Brandão, 2012 [ACCEPTED GENUS 2298:84PKJ nidx=null]
Hypnogorgia
 - Hypnogorgia [ACCEPTED GENUS 2296:52LC nidx=null]
 + Hypnogorgia Duchassaing & Michelotti, 1864 [ACCEPTED GENUS 2298:84NDM nidx=null]
Hypocritecythere
 - Hypocritecythere [ACCEPTED GENUS 2296:52PQ nidx=null]
 + Hypocritecythere Titterton & Whatley, 2009 [ACCEPTED GENUS 2298:84PKM nidx=null]
Hypsicomus
 - Hypsicomus [ACCEPTED GENUS 2296:52ZZ nidx=null]
 + Hypsicomus Grube, 1870 [ACCEPTED GENUS 2298:84NDR nidx=null]
Hypsicomus midoculi
 - Hypsicomus midoculi (Hoagland, 1919) [ACCEPTED SPECIES 2296:3P3TT nidx=null]
 + Hypsicomus midoculi (Hoagland, 1919) [SYNONYM SPECIES 2298:84YJS nidx=null parent=85F3D]
Hyrtios
 - Hyrtios [ACCEPTED GENUS 2296:62WG6 nidx=null]
 + Hyrtios Duchassaing & Michelotti, 1864 [ACCEPTED GENUS 2298:84NDS nidx=null]
Hyrtios cavernosus
 - Hyrtios cavernosus [AMBIGUOUS_SYNONYM SPECIES 2296:3P5K9 nidx=null parent=3MXND]
 + Hyrtios cavernosus (Pallas, 1766) [AMBIGUOUS_SYNONYM SPECIES 2298:84X53 nidx=null parent=3MXND]
Hyrtios erectus
 - Hyrtios erectus (Keller, 1889) [ACCEPTED SPECIES 2296:3P5KG nidx=null]
 + Hyrtios erectus (Keller, 1889) [ACCEPTED SPECIES 2298:84YJT nidx=null]
Hyrtios tubulatus
 - Hyrtios tubulatus Lehnert & van Soest, 1998 [SYNONYM SPECIES 2296:3P5KS nidx=null parent=389FJ]
 + Hyrtios tubulatus Lehnert & van Soest, 1998 [SYNONYM SPECIES 2298:84YJV nidx=null parent=85SSP]
Hystriciola
 - Hystriciola [ACCEPTED GENUS 2296:537J nidx=null]
 + Hystriciola Thompson, 1979 [ACCEPTED GENUS 2298:84PLB nidx=null]
Ianthella
 - Ianthella [ACCEPTED GENUS 2296:538Q nidx=null]
 + Ianthella Gray, 1869 [ACCEPTED GENUS 2298:84NDT nidx=null]
Ianthellidae
 - Ianthellidae [ACCEPTED FAMILY 2296:62587 nidx=null]
 + Ianthellidae Hyatt, 1875 [ACCEPTED FAMILY 2298:84K4F nidx=null]
Ichthyotomidae
 - Ichthyotomidae [ACCEPTED FAMILY 2296:624VW nidx=null]
 + Ichthyotomidae Eisig, 1906 [ACCEPTED FAMILY 2298:84K4G nidx=null]
Ichthyotomus
 - Ichthyotomus [ACCEPTED GENUS 2296:62WGY nidx=null]
 + Ichthyotomus Eisig, 1906 [ACCEPTED GENUS 2298:84NDW nidx=null]
Iciligorgia
 - Iciligorgia [ACCEPTED GENUS 2296:638HN nidx=null]
 + Iciligorgia Duchassaing, 1870 [ACCEPTED GENUS 2298:84NDY nidx=null]
Idanthyrsus
 - Idanthyrsus [ACCEPTED GENUS 2296:53GT nidx=null]
 + Idanthyrsus Kinberg, 1866 [ACCEPTED GENUS 2298:84NDZ nidx=null]
Ideogorgia
 - Ideogorgia [ACCEPTED GENUS 2296:53HF nidx=null]
 + Ideogorgia Bayer, 1981 [ACCEPTED GENUS 2298:84NF2 nidx=null]
Idiocythere
 - Idiocythere [ACCEPTED GENUS 2296:53KB nidx=null]
 + Idiocythere Triebel, 1958 [ACCEPTED GENUS 2298:84PLN nidx=null]
Idiotrochus
 - Idiotrochus [ACCEPTED GENUS 2296:53N8 nidx=null]
 + Idiotrochus Wells, 1935 [ACCEPTED GENUS 2298:84NF7 nidx=null]
Ifalukella
 - Ifalukella [ACCEPTED GENUS 2296:53Q2 nidx=null]
 + Ifalukella Bayer, 1955 [ACCEPTED GENUS 2298:84PLP nidx=null]
Ifalukellidae
 - Ifalukellidae [ACCEPTED FAMILY 2296:BDG nidx=null]
 + Ifalukellidae Bayer, 1955 [ACCEPTED FAMILY 2298:84K4H nidx=null]
Igene
 - Igene [ACCEPTED GENUS 2296:53QL nidx=null]
 + Igene Kornicker, 1975 [ACCEPTED GENUS 2298:84PLQ nidx=null]
Igernella
 - Igernella [ACCEPTED GENUS 2296:53QN nidx=null]
 + Igernella Topsent, 1905 [ACCEPTED GENUS 2298:84NF9 nidx=null]
Iheyomytilidicola
 - Iheyomytilidicola [ACCEPTED GENUS 2296:53RW nidx=null]
 + Iheyomytilidicola Miura & Hashimoto, 1996 [ACCEPTED GENUS 2298:84PLR nidx=null]
Ijimadictyum
 - Ijimadictyum [ACCEPTED GENUS 2296:53S8 nidx=null]
 + Ijimadictyum Mehl, 1992 [ACCEPTED GENUS 2298:84NFB nidx=null]
Ijimaiella
 - Ijimaiella [ACCEPTED GENUS 2296:638JM nidx=null]
 + Ijimaiella Tabachnick, 2002 [ACCEPTED GENUS 2298:84NFC nidx=null]
Ikeda
 - Ikeda [ACCEPTED GENUS 2296:53SJ nidx=null]
 + Ikeda Wharton, 1913 [ACCEPTED GENUS 2298:84NFD nidx=null]
Ikedella
 - Ikedella [ACCEPTED GENUS 2296:53SL nidx=null]
 + Ikedella Monro, 1927 [ACCEPTED GENUS 2298:84NFF nidx=null]
Ikedidae
 - Ikedidae [ACCEPTED FAMILY 2296:BDN nidx=null]
 + Ikedidae Bock, 1942 [ACCEPTED FAMILY 2298:84K4J nidx=null]
Ikedosoma
 - Ikedosoma [ACCEPTED GENUS 2296:53SM nidx=null]
 + Ikedosoma Bock, 1942 [ACCEPTED GENUS 2298:84NFG nidx=null]
Ikosipodoides
 - Ikosipodoides [ACCEPTED GENUS 2296:638JN nidx=null]
 + Ikosipodoides Westheide, 2000 [ACCEPTED GENUS 2298:84PLS nidx=null]
Ikosipodus
 - Ikosipodus [ACCEPTED GENUS 2296:53SV nidx=null]
 + Ikosipodus Westheide, 1982 [ACCEPTED GENUS 2298:84PLT nidx=null]
Ildraites
 - Ildraites [ACCEPTED GENUS 2296:53TM nidx=null]
 + Ildraites Eller, 1936 [ACCEPTED GENUS 2298:84PLV nidx=null]
Iliffeoecia
 - Iliffeoecia [ACCEPTED GENUS 2296:638J9 nidx=null]
 + Iliffeoecia Maddocks, 1991 [ACCEPTED GENUS 2298:84PLW nidx=null]
Ilyobates praetexta
 - Ilyobates praetexta Sars, 1866 [ACCEPTED SPECIES 2296:3PH9G nidx=null]
 + Ilyobates praetexta Sars, 1866 [SYNONYM SPECIES 2298:84YKH nidx=null parent=6NNMR]
Ilyocypris
 - Ilyocypris [ACCEPTED GENUS 2296:53XF nidx=null]
 + Ilyocypris Brady & Norman, 1889 [ACCEPTED GENUS 2298:84NFJ nidx=null]
Ilyodrilus
 - Ilyodrilus [ACCEPTED GENUS 2296:53XH nidx=null]
 + Ilyodrilus Eisen, 1879 [ACCEPTED GENUS 2298:84NFK nidx=null]
Ilyphagus
 - Ilyphagus [ACCEPTED GENUS 2296:53XS nidx=null]
 + Ilyphagus Chamberlin, 1919 [ACCEPTED GENUS 2298:84NFM nidx=null]
Ilyphagus octobranchus
 - Ilyphagus octobranchus Hartman, 1965 [ACCEPTED SPECIES 2296:3PHFR nidx=null]
 + Ilyphagus octobranchus Hartman, 1965 [SYNONYM SPECIES 2298:84X56 nidx=null parent=85FD2]
Imajimaea
 - Imajimaea [ACCEPTED GENUS 2296:53Y7 nidx=null]
 + Imajimaea Nygren, 2004 [ACCEPTED GENUS 2298:84PLX nidx=null]
Imajimainereis
 - Imajimainereis [ACCEPTED GENUS 2296:53Y8 nidx=null]
 + Imajimainereis de León-González & Solís-Weiss, 2000 [ACCEPTED GENUS 2298:84PLY nidx=null]
Imajimapholoe
 - Imajimapholoe [ACCEPTED GENUS 2296:53Y9 nidx=null]
 + Imajimapholoe Pettibone, 1992 [ACCEPTED GENUS 2298:84PLZ nidx=null]
Inanidrilus
 - Inanidrilus [ACCEPTED GENUS 2296:543D nidx=null]
 + Inanidrilus Erséus, 1979 [ACCEPTED GENUS 2298:84NFP nidx=null]
Incisiprion
 - Incisiprion [ACCEPTED GENUS 2296:638JV nidx=null]
 + Incisiprion Hints, 1998 [ACCEPTED GENUS 2298:84PM4 nidx=null]
Incongruellina
 - Incongruellina [ACCEPTED GENUS 2296:638K7 nidx=null]
 + Incongruellina Ruggieri, 1958 [ACCEPTED GENUS 2298:84PM5 nidx=null]
Inconnivus
 - Inconnivus [ACCEPTED GENUS 2296:545V nidx=null]
 + Inconnivus Błażewicz-Paszkowycz & Bamber, 2012 [ACCEPTED GENUS 2298:84PM6 nidx=null]
Inconstantia
 - Inconstantia [ACCEPTED GENUS 2296:545W nidx=null]
 + Inconstantia McFadden & van Ofwegen, 2012 [ACCEPTED GENUS 2298:84PM7 nidx=null]
Incrustatus
 - Incrustatus [ACCEPTED GENUS 2296:5465 nidx=null]
 + Incrustatus van Ofwegen, Häussermann & Försterra, 2007 [ACCEPTED GENUS 2298:84PM8 nidx=null]
Indiella ridgenensis
 - Indiella ridgenensis Sautya, Tabachnick & Ingole, 2011 [ACCEPTED SPECIES 2296:3PLQ4 nidx=null]
 + Indiella ridgenensis Sautya, Tabachnick & Ingole, 2011 [SYNONYM SPECIES 2298:84YKK nidx=null parent=859ZD]
Indimoosella
 - Indimoosella [ACCEPTED GENUS 2296:547G nidx=null]
 + Indimoosella Jellinek, 1993 [ACCEPTED GENUS 2298:84PM9 nidx=null]
Indoapseudes
 - Indoapseudes [ACCEPTED GENUS 2296:547W nidx=null]
 + Indoapseudes Bacescu, 1976 [ACCEPTED GENUS 2298:84NFR nidx=null]
Indocandona
 - Indocandona [ACCEPTED GENUS 2296:638K9 nidx=null]
 + Indocandona Gupta, 1984 [ACCEPTED GENUS 2298:84PMB nidx=null]
Indocera
 - Indocera [ACCEPTED GENUS 2296:548K nidx=null]
 + Indocera Singh & Dar Shukla, 1981 [ACCEPTED GENUS 2298:84PMC nidx=null]
Indophyllia
 - Indophyllia [ACCEPTED GENUS 2296:54BM nidx=null]
 + Indophyllia Gerth, 1921 [ACCEPTED GENUS 2298:84NFT nidx=null]
Inermidrilus
 - Inermidrilus [ACCEPTED GENUS 2296:54DY nidx=null]
 + Inermidrilus Erséus, 1992 [ACCEPTED GENUS 2298:84NFX nidx=null]
Inermonephtys
 - Inermonephtys [ACCEPTED GENUS 2296:638L7 nidx=null]
 + Inermonephtys Fauchald, 1968 [ACCEPTED GENUS 2298:84NFY nidx=null]
Inermosyllis
 - Inermosyllis [ACCEPTED GENUS 2296:62WL8 nidx=null]
 + Inermosyllis San Martín, 2003 [ACCEPTED GENUS 2298:84PMF nidx=null]
Inflatella
 - Inflatella [ACCEPTED GENUS 2296:62WMB nidx=null]
 + Inflatella Schmidt, 1875 [ACCEPTED GENUS 2298:84NFZ nidx=null]
Inflatocalyx
 - Inflatocalyx [ACCEPTED GENUS 2296:62WMC nidx=null]
 + Inflatocalyx Verseveldt & Bayer, 1988 [ACCEPTED GENUS 2298:84PMG nidx=null]
Ingotia
 - Ingotia [ACCEPTED GENUS 2296:638MK nidx=null]
 + Ingotia Alderslade, 2001 [ACCEPTED GENUS 2298:84PMH nidx=null]
Insociabilitanais
 - Insociabilitanais [ACCEPTED GENUS 2296:54KB nidx=null]
 + Insociabilitanais Larsen, 2005 [ACCEPTED GENUS 2298:84PMJ nidx=null]
Insolicorypha
 - Insolicorypha [ACCEPTED GENUS 2296:54KF nidx=null]
 + Insolicorypha Conway Morris, 1979 [ACCEPTED GENUS 2298:84PMK nidx=null]
Insulodrilus
 - Insulodrilus [ACCEPTED GENUS 2296:54LD nidx=null]
 + Insulodrilus Brinkhurst, 1965 [ACCEPTED GENUS 2298:84PML nidx=null]
Intermedichelia
 - Intermedichelia [ACCEPTED GENUS 2296:54M4 nidx=null]
 + Intermedichelia Gutu, 1996 [ACCEPTED GENUS 2298:84PMM nidx=null]
Intoshella
 - Intoshella [ACCEPTED GENUS 2296:54MW nidx=null]
 + Intoshella Darboux, 1899 [ACCEPTED GENUS 2298:84NG4 nidx=null]
Inversacytherella
 - Inversacytherella [ACCEPTED GENUS 2296:54NT nidx=null]
 + Inversacytherella Swanson, Jellinek & Malz, 2005 [ACCEPTED GENUS 2298:84PMP nidx=null]
Iophon
 - Iophon [ACCEPTED GENUS 2296:54RJ nidx=null]
 + Iophon Gray, 1867 [ACCEPTED GENUS 2298:84NG5 nidx=null]
Iospilidae
 - Iospilidae [ACCEPTED FAMILY 2296:BF3 nidx=null]
 + Iospilidae Bergström, 1914 [ACCEPTED FAMILY 2298:84K4L nidx=null]
Iospilus
 - Iospilus [ACCEPTED GENUS 2296:638M6 nidx=null]
 + Iospilus Viguier, 1886 [ACCEPTED GENUS 2298:84NG7 nidx=null]
Iotisis
 - Iotisis [ACCEPTED GENUS 2296:54SC nidx=null]
 + Iotisis Alderslade, 1998 [ACCEPTED GENUS 2298:84PMQ nidx=null]
Iotroata
 - Iotroata [ACCEPTED GENUS 2296:54SH nidx=null]
 + Iotroata Laubenfels, 1936 [ACCEPTED GENUS 2298:84NG8 nidx=null]
Iotrochopsamma
 - Iotrochopsamma [ACCEPTED GENUS 2296:54SJ nidx=null]
 + Iotrochopsamma de Laubenfels, 1954 [ACCEPTED GENUS 2298:84NG9 nidx=null]
Iotrochota
 - Iotrochota [ACCEPTED GENUS 2296:54SK nidx=null]
 + Iotrochota Ridley, 1884 [ACCEPTED GENUS 2298:84NGB nidx=null]
Iotrochotidae
 - Iotrochotidae [ACCEPTED FAMILY 2296:BF7 nidx=null]
 + Iotrochotidae Dendy, 1922 [ACCEPTED FAMILY 2298:84K4M nidx=null]
Iphianissa
 - Iphianissa [ACCEPTED GENUS 2296:54T2 nidx=null]
 + Iphianissa Kinberg, 1866 [ACCEPTED GENUS 2298:84PMS nidx=null]
Iphione
 - Iphione [ACCEPTED GENUS 2296:54TP nidx=null]
 + Iphione Kinberg, 1856 [ACCEPTED GENUS 2298:84NGF nidx=null]
Iphionella
 - Iphionella [ACCEPTED GENUS 2296:54TQ nidx=null]
 + Iphionella McIntosh, 1885 [ACCEPTED GENUS 2298:84NGG nidx=null]
Iphionidae
 - Iphionidae [ACCEPTED FAMILY 2296:BFC nidx=null]
 + Iphionidae Kinberg, 1856 [ACCEPTED FAMILY 2298:84K4N nidx=null]
Iphionides
 - Iphionides [ACCEPTED GENUS 2296:54TR nidx=null]
 + Iphionides Hartmann-Schröder, 1977 [ACCEPTED GENUS 2298:84PMV nidx=null]
Iphiteon
 - Iphiteon [ACCEPTED GENUS 2296:62WM9 nidx=null]
 + Iphiteon Bowerbank, 1869 [ACCEPTED GENUS 2298:84NGH nidx=null]
Iphitime
 - Iphitime [ACCEPTED GENUS 2296:638M9 nidx=null]
 + Iphitime Marenzeller, 1902 [ACCEPTED GENUS 2298:84NGJ nidx=null]
Ircinia
 - Ircinia [ACCEPTED GENUS 2296:54XV nidx=null]
 + Ircinia Nardo, 1833 [ACCEPTED GENUS 2298:84NGK nidx=null]
Ircinia dendroides
 - Ircinia dendroides (Poléjaeff, 1884) [PROVISIONALLY_ACCEPTED SPECIES 2296:6MWLB nidx=null]
 + Ircinia dendroides (Poléjaeff, 1884) [AMBIGUOUS_SYNONYM SPECIES 2298:84YKQ nidx=null parent=85SYT]
Irciniidae
 - Irciniidae [ACCEPTED FAMILY 2296:BFG nidx=null]
 + Irciniidae Gray, 1867 [ACCEPTED FAMILY 2298:84K4P nidx=null]
Iridogorgia
 - Iridogorgia [ACCEPTED GENUS 2296:54ZS nidx=null]
 + Iridogorgia Verrill, 1883 [ACCEPTED GENUS 2298:84NGP nidx=null]
Irmula
 - Irmula [ACCEPTED GENUS 2296:552Z nidx=null]
 + Irmula Ehlers, 1913 [ACCEPTED GENUS 2298:84PMZ nidx=null]
Isabella
 - Isabella [ACCEPTED GENUS 2296:62WCG nidx=null]
 + Isabella Schlacher-Hoenlinger, Pisera & Hooper, 2005 [ACCEPTED GENUS 2298:84PN2 nidx=null]
Ischyronemertes
 - Ischyronemertes [ACCEPTED GENUS 2296:55B4 nidx=null]
 + Ischyronemertes Gibson, 1990 [ACCEPTED GENUS 2298:84PN4 nidx=null]
Ishizakiella
 - Ishizakiella [ACCEPTED GENUS 2296:55CF nidx=null]
 + Ishizakiella McKenzie & Sudijono, 1981 [ACCEPTED GENUS 2298:84PN5 nidx=null]
Isidella
 - Isidella [ACCEPTED GENUS 2296:55CN nidx=null]
 + Isidella Gray, 1857 [ACCEPTED GENUS 2298:84NGW nidx=null]
Isididae
 - Isididae [ACCEPTED FAMILY 2296:BG3 nidx=null]
 + Isididae Lamouroux, 1812 [ACCEPTED FAMILY 2298:84K4Q nidx=null]
Isidoides
 - Isidoides [ACCEPTED GENUS 2296:55CS nidx=null]
 + Isidoides Nutting, 1910 [ACCEPTED GENUS 2298:84PN7 nidx=null]
Isis
 - Isis [ACCEPTED GENUS 2296:55D2 nidx=null]
 + Isis Linnaeus, 1758 [ACCEPTED GENUS 2298:84PN8 nidx=null]
Isochaetides
 - Isochaetides [ACCEPTED GENUS 2296:62WCJ nidx=null]
 + Isochaetides Hrabĕ, 1966 [ACCEPTED GENUS 2298:84NGX nidx=null]
Isocirrus
 - Isocirrus [ACCEPTED GENUS 2296:638D2 nidx=null]
 + Isocirrus Arwidsson, 1906 [ACCEPTED GENUS 2298:84NGY nidx=null]
Isocypridina
 - Isocypridina [ACCEPTED GENUS 2296:55FJ nidx=null]
 + Isocypridina Kornicker, 1975 [ACCEPTED GENUS 2298:84PNC nidx=null]
Isodictya
 - Isodictya [ACCEPTED GENUS 2296:55G3 nidx=null]
 + Isodictya Bowerbank, 1864 [ACCEPTED GENUS 2298:84NH6 nidx=null]
Isodictya clarkei
 - Isodictya clarkei Bowerbank, 1866 [SYNONYM SPECIES 2296:3Q85L nidx=null parent=D32W]
 + Isodictya clarkei Bowerbank, 1866 [SYNONYM SPECIES 2298:84YL7 nidx=null parent=D32K]
Isodictya densa
 - Isodictya densa [SYNONYM SPECIES 2296:3Q85Y nidx=null parent=3JCHQ]
 + Isodictya densa [AMBIGUOUS_SYNONYM SPECIES 2298:84YL8 nidx=null parent=85SWZ]
Isodictya dicksonii
 - Isodictya dicksonii Fristedt, 1887 [SYNONYM SPECIES 2296:3Q863 nidx=null parent=76VG8]
 + Isodictya dicksonii Fristedt, 1887 [SYNONYM SPECIES 2298:84YL9 nidx=null parent=85SBR]
Isodictya frondosa
 - Isodictya frondosa (Pallas, 1766) [ACCEPTED SPECIES 2296:3Q86P nidx=null]
 + Isodictya frondosa (Pallas, 1766) [AMBIGUOUS_SYNONYM SPECIES 2298:84YLB nidx=null parent=85SRF]
Isodictya lobata
 - Isodictya lobata (Montagu, 1814) [SYNONYM SPECIES 2296:3Q87J nidx=null parent=D32W]
 + Isodictya lobata (Montagu, 1814) [SYNONYM SPECIES 2298:84YLC nidx=null parent=85SN3]
Isodictya simulans var. tubuloramosa
 - Isodictya simulans var. tubuloramosa Carter, 1887 [SYNONYM VARIETY 2296:5PHZ2 nidx=null parent=5P8RL]
 + Isodictya simulans var. tubuloramosa Carter, 1887 [SYNONYM VARIETY 2298:852V8 nidx=null parent=85R97]
Isodictya tenera
 - Isodictya tenera Marenzeller, 1878 [SYNONYM SPECIES 2296:6N9B8 nidx=null parent=3JBY6]
 + Isodictya tenera Marenzeller, 1878 [SYNONYM SPECIES 2298:84YLD nidx=null parent=84Y87]
Isodictyidae
 - Isodictyidae [ACCEPTED FAMILY 2296:BG9 nidx=null]
 + Isodictyidae Dendy, 1924 [ACCEPTED FAMILY 2298:84K4R nidx=null]
Isoetes dodgei
 - Isoetes dodgei Eaton [SYNONYM SPECIES 2296:3Q8MP nidx=null parent=3Q8T5]
 + Isoetes dodgei Eaton [SYNONYM SPECIES 2298:84JYD nidx=null parent=3Q8T5]
Isoetes ×  dodgei
 - Isoetes ×  dodgei A. A. Eaton [ACCEPTED SPECIES 2296:3Q8MQ nidx=null]
 + Isoetes ×  dodgei A. A. Eaton [ACCEPTED SPECIES 2298:84JYC nidx=null]
Isolda
 - Isolda [ACCEPTED GENUS 2296:55HG nidx=null]
 + Isolda Mueller, 1858 [ACCEPTED GENUS 2298:84NHB nidx=null]
Isophyllia
 - Isophyllia [ACCEPTED GENUS 2296:55KW nidx=null]
 + Isophyllia Milne Edwards & Haime, 1851 [ACCEPTED GENUS 2298:84NHF nidx=null]
Isopodidus
 - Isopodidus [ACCEPTED GENUS 2296:55L8 nidx=null]
 + Isopodidus Larsen & Heard, 2002 [ACCEPTED GENUS 2298:84PNK nidx=null]
Isopora
 - Isopora [ACCEPTED GENUS 2296:55LB nidx=null]
 + Isopora Studer, 1879 [ACCEPTED GENUS 2298:84PNL nidx=null]
Isops loricata
 - Isops loricata (Lendenfeld, 1894) [SYNONYM SPECIES 2296:6MZRK nidx=null parent=3FPBK]
 + Isops loricata (Lendenfeld, 1894) [SYNONYM SPECIES 2298:84YLH nidx=null parent=5WX26]
Isops nigra
 - Isops nigra Lindgren, 1897 [SYNONYM SPECIES 2296:6MZRJ nidx=null parent=3FPC5]
 + Isops nigra Lindgren, 1897 [SYNONYM SPECIES 2298:84YLJ nidx=null parent=85SV8]
Isops velata
 - Isops velata (Lebwohl, 1914) [SYNONYM SPECIES 2296:3QBFC nidx=null parent=6KC8L]
 + Isops velata (Lebwohl, 1914) [SYNONYM SPECIES 2298:84YLK nidx=null parent=68WQ6]
Isoraphiniidae
 - Isoraphiniidae [ACCEPTED FAMILY 2296:BGG nidx=null]
 + Isoraphiniidae Schrammen, 1924 [ACCEPTED FAMILY 2298:84K4S nidx=null]
Itanemertes
 - Itanemertes [ACCEPTED GENUS 2296:55T6 nidx=null]
 + Itanemertes Corrêa, 1957 [ACCEPTED GENUS 2298:84PNN nidx=null]
Ithyomus
 - Ithyomus [ACCEPTED GENUS 2296:55V2 nidx=null]
 + Ithyomus Bird, 2004 [ACCEPTED GENUS 2298:84PNS nidx=null]
Iubarenicola
 - Iubarenicola [ACCEPTED GENUS 2296:55WN nidx=null]
 + Iubarenicola Alessandrello, Bracchi & Riou, 2004 [ACCEPTED GENUS 2298:84PNV nidx=null]
Iungentitanais
 - Iungentitanais [ACCEPTED GENUS 2296:55X6 nidx=null]
 + Iungentitanais Sieg, 1976 [ACCEPTED GENUS 2298:84NHL nidx=null]
Iwatanemertes
 - Iwatanemertes [ACCEPTED GENUS 2296:55YF nidx=null]
 + Iwatanemertes Gibson, 1990 [ACCEPTED GENUS 2298:84PNX nidx=null]
Iwatanemertes piperatus
 - Iwatanemertes piperatus [SYNONYM SPECIES 2296:3QF8K nidx=null parent=3QF8L]
 + Iwatanemertes piperatus (Stimpson, 1855) [SYNONYM SPECIES 2298:84YLM nidx=null parent=3QF8L]
Jacobella
 - Jacobella [ACCEPTED GENUS 2296:5645 nidx=null]
 + Jacobella Swanson, 1979 [ACCEPTED GENUS 2298:84PP3 nidx=null]
Jainella
 - Jainella [ACCEPTED GENUS 2296:62W68 nidx=null]
 + Jainella Bhatia & Kumar, 1979 [ACCEPTED GENUS 2298:84PP4 nidx=null]
Jakobia
 - Jakobia [ACCEPTED GENUS 2296:566J nidx=null]
 + Jakobia Zenkevitch, 1958 [ACCEPTED GENUS 2298:84NHN nidx=null]
Jamiesoniella
 - Jamiesoniella [ACCEPTED GENUS 2296:568D nidx=null]
 + Jamiesoniella Erséus, 1981 [ACCEPTED GENUS 2298:84NHP nidx=null]
Janita
 - Janita [ACCEPTED GENUS 2296:569V nidx=null]
 + Janita Saint Joseph, 1894 [ACCEPTED GENUS 2298:84PP6 nidx=null]
Jankeijcythere
 - Jankeijcythere [ACCEPTED GENUS 2296:569X nidx=null]
 + Jankeijcythere McKenzie, 1988 [ACCEPTED GENUS 2298:84PP7 nidx=null]
Janua
 - Janua [ACCEPTED GENUS 2296:56B4 nidx=null]
 + Janua Saint-Joseph, 1894 [ACCEPTED GENUS 2298:84NHQ nidx=null]
Janua (Dexiospira) corrugata
 - Janua (Dexiospira) corrugata (Montagu, 1803) [SYNONYM SPECIES 2296:3QLLJ nidx=null parent=4Z8FF]
 + Janua (Dexiospira) corrugata (Montagu, 1803) [SYNONYM SPECIES 2298:84YLQ nidx=null parent=4Z8GK]
Janua corrugatus
 - Janua corrugatus (Montagu, 1803) [SYNONYM SPECIES 2296:3QLLZ nidx=null parent=4Z8FF]
 + Janua corrugatus (Montagu, 1803) [SYNONYM SPECIES 2298:84X5H nidx=null parent=4Z8GK]
Janulum
 - Janulum [ACCEPTED GENUS 2296:56B6 nidx=null]
 + Janulum Laubenfels, 1936 [ACCEPTED GENUS 2298:84PP9 nidx=null]
Jasmineira
 - Jasmineira [ACCEPTED GENUS 2296:6386P nidx=null]
 + Jasmineira Langerhans, 1880 [ACCEPTED GENUS 2298:84NHV nidx=null]
Jasmineira candela
 - Jasmineira candela (Grube, 1863) [ACCEPTED SPECIES 2296:6NCZ2 nidx=null]
 + Jasmineira candela (Grube, 1863) [SYNONYM SPECIES 2298:84X5J nidx=null parent=5Z98T]
Jasmineira oculata
 - Jasmineira oculata Langerhans, 1884 [ACCEPTED SPECIES 2296:3QM9S nidx=null]
 + Jasmineira oculata Langerhans, 1884 [SYNONYM SPECIES 2298:84YLR nidx=null parent=VVXC]
Jasminisis
 - Jasminisis [ACCEPTED GENUS 2296:62W72 nidx=null]
 + Jasminisis Alderslade, 1998 [ACCEPTED GENUS 2298:84PPD nidx=null]
Jasonisis
 - Jasonisis [ACCEPTED GENUS 2296:63873 nidx=null]
 + Jasonisis Alderslade & McFadden, 2012 [ACCEPTED GENUS 2298:84PPF nidx=null]
Jaspis
 - Jaspis [ACCEPTED GENUS 2296:62W6S nidx=null]
 + Jaspis Gray, 1867 [ACCEPTED GENUS 2298:84NHW nidx=null]
Jaspis johnstonii
 - Jaspis johnstonii (Schmidt, 1862) [ACCEPTED SPECIES 2296:6NF78 nidx=null]
 + Jaspis johnstonii (Schmidt, 1862) [ACCEPTED SPECIES 2298:84X5K nidx=null]
Javanella
 - Javanella [ACCEPTED GENUS 2296:56FF nidx=null]
 + Javanella Kingma, 1948 [ACCEPTED GENUS 2298:84PPG nidx=null]
Javania
 - Javania [ACCEPTED GENUS 2296:56FG nidx=null]
 + Javania Duncan, 1876 [ACCEPTED GENUS 2298:84NHX nidx=null]
Jenkina
 - Jenkina [ACCEPTED GENUS 2296:56HX nidx=null]
 + Jenkina Brøndsted, 1931 [ACCEPTED GENUS 2298:84NHY nidx=null]
Jenkinidae
 - Jenkinidae [ACCEPTED FAMILY 2296:BHS nidx=null]
 + Jenkinidae Borojevic, Boury-Esnault & Vacelet, 2000 [ACCEPTED FAMILY 2298:84K4V nidx=null]
Jereicopsis
 - Jereicopsis [ACCEPTED GENUS 2296:56JV nidx=null]
 + Jereicopsis Lévi & Lévi, 1983 [ACCEPTED GENUS 2298:84NHZ nidx=null]
Jereminella
 - Jereminella [ACCEPTED GENUS 2296:56JX nidx=null]
 + Jereminella Lugeon, 1919 [ACCEPTED GENUS 2298:84PPH nidx=null]
Jimmorinia
 - Jimmorinia [ACCEPTED GENUS 2296:56M3 nidx=null]
 + Jimmorinia Cohen & Kornicker in Cohen, Kornicker & Iliffe, 2000 [ACCEPTED GENUS 2298:84PPJ nidx=null]
Johannesia
 - Johannesia [ACCEPTED GENUS 2296:56PG nidx=null]
 + Johannesia Gerasimova, Erpenbeck & Plotkin, 2008 [ACCEPTED GENUS 2298:84PPK nidx=null]
Jolydrilus
 - Jolydrilus [ACCEPTED GENUS 2296:56R9 nidx=null]
 + Jolydrilus Er. Marcus, 1965 [ACCEPTED GENUS 2298:84NJ3 nidx=null]
Jonesia
 - Jonesia [ACCEPTED GENUS 2296:56RJ nidx=null]
 + Jonesia Brady, 1866 [ACCEPTED GENUS 2298:84NJ4 nidx=null]
Jonesia simplex
 - Jonesia simplex (Norman, 1865) [SYNONYM SPECIES 2296:3QQG5 nidx=null parent=3X4LS]
 + Jonesia simplex (Norman, 1865) [ACCEPTED SPECIES 2298:84X5M nidx=null]
Josephella
 - Josephella [ACCEPTED GENUS 2296:56T5 nidx=null]
 + Josephella Caullery & Mesnil, 1896 [ACCEPTED GENUS 2298:84NJ5 nidx=null]
Jugamphicteis
 - Jugamphicteis [ACCEPTED GENUS 2296:56VM nidx=null]
 + Jugamphicteis Fauchald & Hancock, 1981 [ACCEPTED GENUS 2298:84PPR nidx=null]
Jugaria granulata
 - Jugaria granulata (Linnaeus, 1767) [ACCEPTED SPECIES 2296:3QRR4 nidx=null]
 + Jugaria granulata (Linnaeus, 1767) [SYNONYM SPECIES 2298:84YLX nidx=null parent=NYPG]
Jugaria kofiadii
 - Jugaria kofiadii Rzhavsky, 1988 [ACCEPTED SPECIES 2296:3QRR5 nidx=null]
 + Jugaria kofiadii Rzhavsky, 1988 [SYNONYM SPECIES 2298:84YLY nidx=null parent=NYPH]
Jugaria similis
 - Jugaria similis (Bush, 1905) [ACCEPTED SPECIES 2296:3QRR7 nidx=null]
 + Jugaria similis (Bush, 1905) [SYNONYM SPECIES 2298:84YLZ nidx=null parent=NYPK]
Jugosocythereis
 - Jugosocythereis [ACCEPTED GENUS 2296:56W4 nidx=null]
 + Jugosocythereis Puri, 1957 [ACCEPTED GENUS 2298:84NJ6 nidx=null]
Julavis
 - Julavis [ACCEPTED GENUS 2296:56WJ nidx=null]
 + Julavis Laubenfels, 1936 [ACCEPTED GENUS 2298:84NJ7 nidx=null]
Julmarichardia
 - Julmarichardia [ACCEPTED GENUS 2296:6387S nidx=null]
 + Julmarichardia Gutu, 1989 [ACCEPTED GENUS 2298:84PPT nidx=null]
Junceella
 - Junceella [ACCEPTED GENUS 2296:56XT nidx=null]
 + Junceella Valenciennes, 1855 [ACCEPTED GENUS 2298:84PPV nidx=null]
Junctichela
 - Junctichela [ACCEPTED GENUS 2296:56XZ nidx=null]
 + Junctichela Kornicker & Caraion, 1978 [ACCEPTED GENUS 2298:84PPW nidx=null]
Jurapseudes
 - Jurapseudes [ACCEPTED GENUS 2296:56ZH nidx=null]
 + Jurapseudes Schram, Sieg & Malzahn, 1986 [ACCEPTED GENUS 2298:84PPX nidx=null]
Jurapseudidae
 - Jurapseudidae [ACCEPTED FAMILY 2296:BJN nidx=null]
 + Jurapseudidae Schram, Sieg & Malzahn, 1986 [ACCEPTED FAMILY 2298:84K7Q nidx=null]
Jurapseudoidea
 - Jurapseudoidea [ACCEPTED SUPERFAMILY 2296:59Y nidx=null]
 + Jurapseudoidea Schram, Sieg & Malzahn, 1986 [ACCEPTED SUPERFAMILY 2298:84JXL nidx=null]
Juryoecia
 - Juryoecia [ACCEPTED GENUS 2296:572C nidx=null]
 + Juryoecia Chavtur & Angel, 2011 [ACCEPTED GENUS 2298:84PPY nidx=null]
Justicia clinopodium
 - Justicia clinopodium Greenm. [ACCEPTED SPECIES 2296:3QW62 nidx=null]
 + Justicia clinopodium Greenm. [ACCEPTED SPECIES 2298:84XQN nidx=null]
Kahayandrilus
 - Kahayandrilus [ACCEPTED GENUS 2296:637W7 nidx=null]
 + Kahayandrilus Ohtaka & Wulandari, 2016 [ACCEPTED GENUS 2298:84PPZ nidx=null]
Kainonereis
 - Kainonereis [ACCEPTED GENUS 2296:575Z nidx=null]
 + Kainonereis Chamberlin, 1919 [ACCEPTED GENUS 2298:84PQ2 nidx=null]
Kaliapsis
 - Kaliapsis [ACCEPTED GENUS 2296:637W8 nidx=null]
 + Kaliapsis Bowerbank, 1869 [ACCEPTED GENUS 2298:84NJB nidx=null]
Kalliapseudes
 - Kalliapseudes [ACCEPTED GENUS 2296:578Z nidx=null]
 + Kalliapseudes Stebbing, 1910 [ACCEPTED GENUS 2298:84NJC nidx=null]
Kalliapseudidae
 - Kalliapseudidae [ACCEPTED FAMILY 2296:BK5 nidx=null]
 + Kalliapseudidae Lang, 1956 [ACCEPTED FAMILY 2298:84K4W nidx=null]
Kalloleptochelia
 - Kalloleptochelia [ACCEPTED GENUS 2296:579G nidx=null]
 + Kalloleptochelia Gutu, 2016 [ACCEPTED GENUS 2298:84PQ4 nidx=null]
Kaloketos
 - Kaloketos [ACCEPTED GENUS 2296:62W89 nidx=null]
 + Kaloketos Koenemann, Iliffe & Yager, 2004 [ACCEPTED GENUS 2298:84PQ5 nidx=null]
Kameginemertes
 - Kameginemertes [ACCEPTED GENUS 2296:57BL nidx=null]
 + Kameginemertes Iwata, 1998 [ACCEPTED GENUS 2298:84PQ7 nidx=null]
Kangarina abyssicola abyssicola
 - Kangarina abyssicola abyssicola (Mueller, 1894) [ACCEPTED INFRASPECIFIC_NAME 2296:7H96C nidx=null]
 + Kangarina abyssicola abyssicola (Mueller, 1894) [SYNONYM SUBSPECIES 2298:852P3 nidx=null parent=85MVK]
Kanikipa
 - Kanikipa [ACCEPTED GENUS 2296:62VWN nidx=null]
 + Kanikipa Bird, 2011 [ACCEPTED GENUS 2298:84PQ9 nidx=null]
Kareloecia
 - Kareloecia [ACCEPTED GENUS 2296:57HW nidx=null]
 + Kareloecia Maddocks, 1991 [ACCEPTED GENUS 2298:84PQC nidx=null]
Karroonsyllis
 - Karroonsyllis [ACCEPTED GENUS 2296:57L6 nidx=null]
 + Karroonsyllis San Martín & López, 2003 [ACCEPTED GENUS 2298:84PQF nidx=null]
Katechonemertes
 - Katechonemertes [ACCEPTED GENUS 2296:57PL nidx=null]
 + Katechonemertes Moore & Gibson, 1981 [ACCEPTED GENUS 2298:84PQH nidx=null]
Kathrynella
 - Kathrynella [ACCEPTED GENUS 2296:57Q3 nidx=null]
 + Kathrynella Omodeo, 1996 [ACCEPTED GENUS 2298:84NJL nidx=null]
Kebira
 - Kebira [ACCEPTED GENUS 2296:57T2 nidx=null]
 + Kebira Row, 1909 [ACCEPTED GENUS 2298:84NJP nidx=null]
Kefersteinia cirrhata
 - Kefersteinia cirrhata (Keferstein, 1862) [SYNONYM SPECIES 2296:3R4FV nidx=null parent=4NB5P]
 + Kefersteinia cirrhata [ACCEPTED SPECIES 2298:84X6N nidx=null]
 + Kefersteinia cirrhata (Keferstein, 1862) [SYNONYM SPECIES 2298:84X6P nidx=null parent=4NB5P]
Keijcyoidea
 - Keijcyoidea [ACCEPTED GENUS 2296:57TT nidx=null]
 + Keijcyoidea Malz, 1981 [ACCEPTED GENUS 2298:84PQL nidx=null]
Keijcyoidea keyi
 - Keijcyoidea keyi [SYNONYM SPECIES 2296:3R4JM nidx=null parent=3R4JN]
 + Keijcyoidea keyi (Mckenzie, 1967) [SYNONYM SPECIES 2298:84YM3 nidx=null parent=3R4JN]
Keijella
 - Keijella [ACCEPTED GENUS 2296:62W8X nidx=null]
 + Keijella Ruggieri, 1967 [ACCEPTED GENUS 2298:84PQM nidx=null]
Keijella bisanensis
 - Keijella bisanensis (Okubo, 1975) [ACCEPTED SPECIES 2296:3R4JY nidx=null]
 + Keijella bisanensis (Okubo, 1975) [SYNONYM SPECIES 2298:84YM4 nidx=null parent=84W6S]
Keijia
 - Keijia [ACCEPTED GENUS 2296:57TV nidx=null]
 + Keijia Teeter, 1975 [ACCEPTED GENUS 2298:84PQN nidx=null]
Keilorites
 - Keilorites [ACCEPTED GENUS 2296:62W99 nidx=null]
 + Keilorites Brood, 1980 [ACCEPTED GENUS 2298:84PQP nidx=null]
Kempfidea
 - Kempfidea [ACCEPTED GENUS 2296:57W3 nidx=null]
 + Kempfidea Weiss, 1998 [ACCEPTED GENUS 2298:84PQS nidx=null]
Kencandona
 - Kencandona [ACCEPTED GENUS 2296:57WD nidx=null]
 + Kencandona Karanovic, 2007 [ACCEPTED GENUS 2298:84PQT nidx=null]
Kennethia
 - Kennethia [ACCEPTED GENUS 2296:57WZ nidx=null]
 + Kennethia De Deckker, 1979 [ACCEPTED GENUS 2298:84PQV nidx=null]
Kenostrychus
 - Kenostrychus [ACCEPTED GENUS 2296:57XB nidx=null]
 + Kenostrychus Sutton, Briggs, Siveter & Siveter, 2001 [ACCEPTED GENUS 2298:84PQX nidx=null]
Kerasemna humilis
 - Kerasemna humilis (Thiele, 1903) [SYNONYM SPECIES 2296:3R5T7 nidx=null parent=LSV9]
 + Kerasemna humilis (Thiele, 1903) [SYNONYM SPECIES 2298:84YM7 nidx=null parent=85T35]
Kerasemna tenuityla
 - Kerasemna tenuityla Pulitzer-Finali, 1982 [SYNONYM SPECIES 2296:3R5T8 nidx=null parent=73QRT]
 + Kerasemna tenuityla Pulitzer-Finali, 1982 [SYNONYM SPECIES 2298:84YM8 nidx=null parent=85T36]
Keratoisis
 - Keratoisis [ACCEPTED GENUS 2296:57Z6 nidx=null]
 + Keratoisis Wright, 1869 [ACCEPTED GENUS 2298:84NJS nidx=null]
Kermadecella
 - Kermadecella [ACCEPTED GENUS 2296:5824 nidx=null]
 + Kermadecella Darboux, 1899 [ACCEPTED GENUS 2298:84NJT nidx=null]
Keroeides
 - Keroeides [ACCEPTED GENUS 2296:582R nidx=null]
 + Keroeides Studer, 1887 [ACCEPTED GENUS 2298:84NJV nidx=null]
Keroeididae
 - Keroeididae [ACCEPTED FAMILY 2296:BLM nidx=null]
 + Keroeididae Kinoshita, 1910 [ACCEPTED FAMILY 2298:84K4Y nidx=null]
Keska
 - Keska [ACCEPTED GENUS 2296:583V nidx=null]
 + Keska Błażewicz-Paszkowycz, Bamber & Jóźwiak, 2013 [ACCEPTED GENUS 2298:84PQZ nidx=null]
Keysercypria
 - Keysercypria [ACCEPTED GENUS 2296:5858 nidx=null]
 + Keysercypria Karanovic, 2011 [ACCEPTED GENUS 2298:84PR3 nidx=null]
Keysercythere
 - Keysercythere [ACCEPTED GENUS 2296:5859 nidx=null]
 + Keysercythere Karanovic & Brandão, 2015 [ACCEPTED GENUS 2298:84PR4 nidx=null]
Keysercytheridae
 - Keysercytheridae [ACCEPTED FAMILY 2296:BLT nidx=null]
 + Keysercytheridae Karanovic & Brandão, 2015 [ACCEPTED FAMILY 2298:84K7R nidx=null]
Kimberleya
 - Kimberleya [ACCEPTED GENUS 2296:589B nidx=null]
 + Kimberleya Pillai, 2009 [ACCEPTED GENUS 2298:84PR9 nidx=null]
Kinberginereis
 - Kinberginereis [ACCEPTED GENUS 2296:637Y5 nidx=null]
 + Kinberginereis Pettibone, 1971 [ACCEPTED GENUS 2298:84NK2 nidx=null]
Kinbergonuphis
 - Kinbergonuphis [ACCEPTED GENUS 2296:6389T nidx=null]
 + Kinbergonuphis Fauchald, 1982 [ACCEPTED GENUS 2298:84NK3 nidx=null]
Kincaidiana
 - Kincaidiana [ACCEPTED GENUS 2296:62VY6 nidx=null]
 + Kincaidiana Altman, 1936 [ACCEPTED GENUS 2298:84NK4 nidx=null]
Kionotrochus
 - Kionotrochus [ACCEPTED GENUS 2296:58CC nidx=null]
 + Kionotrochus Dennant, 1906 [ACCEPTED GENUS 2298:84NK9 nidx=null]
Kirkegaardia
 - Kirkegaardia [ACCEPTED GENUS 2296:58DG nidx=null]
 + Kirkegaardia Blake, 2016 [ACCEPTED GENUS 2298:84PRD nidx=null]
Kirkpatrickia
 - Kirkpatrickia [ACCEPTED GENUS 2296:58DN nidx=null]
 + Kirkpatrickia Topsent, 1912 [ACCEPTED GENUS 2298:84NKB nidx=null]
Kirsteueria
 - Kirsteueria [ACCEPTED GENUS 2296:62W9C nidx=null]
 + Kirsteueria Gibson, 1978 [ACCEPTED GENUS 2298:84PRF nidx=null]
Kirsteueriella
 - Kirsteueriella [ACCEPTED GENUS 2296:637XC nidx=null]
 + Kirsteueriella Chernyshev, 2002 [ACCEPTED GENUS 2298:84PRG nidx=null]
Kishinouyeidae
 - Kishinouyeidae [ACCEPTED FAMILY 2296:62597 nidx=null]
 + Kishinouyeidae Uchida, 1929 [ACCEPTED FAMILY 2298:84K4Z nidx=null]
Kliella
 - Kliella [ACCEPTED GENUS 2296:58HT nidx=null]
 + Kliella Schaefer, 1945 [ACCEPTED GENUS 2298:84PRH nidx=null]
Kliellidae
 - Kliellidae [ACCEPTED FAMILY 2296:BMK nidx=null]
 + Kliellidae Schäfer, 1945 [ACCEPTED FAMILY 2298:84K53 nidx=null]
Klyxum
 - Klyxum [ACCEPTED GENUS 2296:58JZ nidx=null]
 + Klyxum Alderslade, 2000 [ACCEPTED GENUS 2298:84PRJ nidx=null]
Knightjonesia
 - Knightjonesia [ACCEPTED GENUS 2296:58KS nidx=null]
 + Knightjonesia Pillai, 2009 [ACCEPTED GENUS 2298:84PRK nidx=null]
Knopia
 - Knopia [ACCEPTED GENUS 2296:58L9 nidx=null]
 + Knopia Alderslade & McFadden, 2007 [ACCEPTED GENUS 2298:84PRL nidx=null]
Kohnia
 - Kohnia [ACCEPTED GENUS 2296:58Q2 nidx=null]
 + Kohnia Sundberg & Gibson, 1995 [ACCEPTED GENUS 2298:84PRM nidx=null]
Koinoporus
 - Koinoporus [ACCEPTED GENUS 2296:58QJ nidx=null]
 + Koinoporus Sánchez & Moretto, 1988 [ACCEPTED GENUS 2298:84PRN nidx=null]
Koltunia
 - Koltunia [ACCEPTED GENUS 2296:58SN nidx=null]
 + Koltunia Plotkin, Morrow, Gerasimova & Rapp, 2017 [ACCEPTED GENUS 2298:84PRP nidx=null]
Koltunicladia
 - Koltunicladia [ACCEPTED GENUS 2296:58SP nidx=null]
 + Koltunicladia Hestetun, Vacelet, Boury-Esnault, Borchiellini, Kelly, Rios, Cristobo & Rapp, 2016 [ACCEPTED GENUS 2298:84PRQ nidx=null]
Komarekiona
 - Komarekiona [ACCEPTED GENUS 2296:58T2 nidx=null]
 + Komarekiona Gates, 1974 [ACCEPTED GENUS 2298:84NKC nidx=null]
Komarekionidae
 - Komarekionidae [ACCEPTED FAMILY 2296:BN7 nidx=null]
 + Komarekionidae Gates, 1974 [ACCEPTED FAMILY 2298:84K54 nidx=null]
Konarus
 - Konarus [ACCEPTED GENUS 2296:58TR nidx=null]
 + Konarus Bamber, 2006 [ACCEPTED GENUS 2298:84PRR nidx=null]
Kootenayscolex
 - Kootenayscolex [ACCEPTED GENUS 2296:637ZS nidx=null]
 + Kootenayscolex Nanglu & Caron, 2018 [ACCEPTED GENUS 2298:84PRV nidx=null]
Kophobelemnidae
 - Kophobelemnidae [ACCEPTED FAMILY 2296:624X8 nidx=null]
 + Kophobelemnidae Gray, 1860 [ACCEPTED FAMILY 2298:84K56 nidx=null]
Kophobelemnon
 - Kophobelemnon [ACCEPTED GENUS 2296:58V7 nidx=null]
 + Kophobelemnon Asbjörnsen, 1856 [ACCEPTED GENUS 2298:84NKF nidx=null]
Kopilrok
 - Kopilrok [ACCEPTED GENUS 2296:62VZT nidx=null]
 + Kopilrok Holmquist, 1985 [ACCEPTED GENUS 2298:84NKG nidx=null]
Kornickeria
 - Kornickeria [ACCEPTED GENUS 2296:58X8 nidx=null]
 + Kornickeria Cohen & Morin, 1993 [ACCEPTED GENUS 2298:84PRW nidx=null]
Korotkevitschia
 - Korotkevitschia [ACCEPTED GENUS 2296:58XK nidx=null]
 + Korotkevitschia Friedrich, 1968 [ACCEPTED GENUS 2298:84PRX nidx=null]
Koslowskisyrinx
 - Koslowskisyrinx [ACCEPTED GENUS 2296:637ZZ nidx=null]
 + Koslowskisyrinx Mierzejewski, 1986 [ACCEPTED GENUS 2298:84PRZ nidx=null]
Kotoracythere
 - Kotoracythere [ACCEPTED GENUS 2296:5924 nidx=null]
 + Kotoracythere Ishizaki, 1966 [ACCEPTED GENUS 2298:84NKJ nidx=null]
Kovalevskiella
 - Kovalevskiella [ACCEPTED GENUS 2296:592R nidx=null]
 + Kovalevskiella Klein, 1963 [ACCEPTED GENUS 2298:84PS2 nidx=null]
Kozlowskiprion
 - Kozlowskiprion [ACCEPTED GENUS 2296:62VZF nidx=null]
 + Kozlowskiprion Kielan-Jaworowska, 1966 [ACCEPTED GENUS 2298:84PS3 nidx=null]
Krenedrilus
 - Krenedrilus [ACCEPTED GENUS 2296:595D nidx=null]
 + Krenedrilus Dumnicka, 1983 [ACCEPTED GENUS 2298:84PS4 nidx=null]
Krithe
 - Krithe [ACCEPTED GENUS 2296:596P nidx=null]
 + Krithe Brady, Crosskey & Robertson, 1874 [ACCEPTED GENUS 2298:84NKL nidx=null]
Krithidae
 - Krithidae [ACCEPTED FAMILY 2296:BNV nidx=null]
 + Krithidae Mandelstam, 1958 [ACCEPTED FAMILY 2298:84K59 nidx=null]
Krohnia
 - Krohnia [ACCEPTED GENUS 2296:62VZM nidx=null]
 + Krohnia Quatrefages, 1866 [ACCEPTED GENUS 2298:84NKN nidx=null]
Ktenosquamisis
 - Ktenosquamisis [ACCEPTED GENUS 2296:599C nidx=null]
 + Ktenosquamisis Alderslade, 1998 [ACCEPTED GENUS 2298:84PS8 nidx=null]
Kuarrhaphis
 - Kuarrhaphis [ACCEPTED GENUS 2296:599P nidx=null]
 + Kuarrhaphis Dendy & Row, 1913 [ACCEPTED GENUS 2298:84NKQ nidx=null]
Kudinopasternakia
 - Kudinopasternakia [ACCEPTED GENUS 2296:62VLJ nidx=null]
 + Kudinopasternakia Gutu, 1991 [ACCEPTED GENUS 2298:84NKR nidx=null]
Kudoa
 - Kudoa [ACCEPTED GENUS 2296:637LJ nidx=null]
 + Kudoa Meglitsch, 1947 [ACCEPTED GENUS 2298:84PS9 nidx=null]
Kudoa quadratum
 - Kudoa quadratum Naidenova, 1970 non (Thélohan, 1895) [SYNONYM SPECIES 2296:3RF7J nidx=null parent=3RF7G]
 + Kudoa quadratum (Thélohan, 1895) [ACCEPTED SPECIES 2298:84YN6 nidx=null]
 + Kudoa quadratum Naidenova, 1970 non (Thélohan, 1895) [MISAPPLIED SPECIES 2298:84YN7 nidx=null parent=3RF7G]
Kudoidae
 - Kudoidae [ACCEPTED FAMILY 2296:BP4 nidx=null]
 + Kudoidae Meglitsch, 1960 [ACCEPTED FAMILY 2298:84K7W nidx=null]
Kuiperiana
 - Kuiperiana [ACCEPTED GENUS 2296:59B2 nidx=null]
 + Kuiperiana Bassiouni, 1962 [ACCEPTED GENUS 2298:84PSB nidx=null]
Kuiperiana meridionalis
 - Kuiperiana meridionalis (Mueller, 1908) Ayress, 1993 [ACCEPTED SPECIES 2296:3RFG5 nidx=null]
 + Kuiperiana meridionalis (Mueller, 1908) [SYNONYM SPECIES 2298:84YN8 nidx=null parent=84ZD8]
Kukumia
 - Kukumia [ACCEPTED GENUS 2296:637KS nidx=null]
 + Kukumia Gibson & Sundberg, 2002 [ACCEPTED GENUS 2298:84PSC nidx=null]
Kulikovia
 - Kulikovia [ACCEPTED GENUS 2296:59BP nidx=null]
 + Kulikovia Chernyshev, Polyakova, Turanov & Kajihara, 2017 [ACCEPTED GENUS 2298:84PSD nidx=null]
Kumonga
 - Kumonga [ACCEPTED GENUS 2296:59CK nidx=null]
 + Kumonga Hoenemann, Neiber, Schram & Koenemann in Hoenemann, Neiber, Humphreys, Iliffe, Li, Schram & Koenemann, 2013 [ACCEPTED GENUS 2298:84PSF nidx=null]
Kumongidae
 - Kumongidae [ACCEPTED FAMILY 2296:BP6 nidx=null]
 + Kumongidae Hoenemann, Neiber, Schram & Koenemann in Hoenemann, Neiber, Humphreys, Iliffe, Li, Schram & Koenemann, 2013 [ACCEPTED FAMILY 2298:84K7X nidx=null]
Kunluniacypris
 - Kunluniacypris [ACCEPTED GENUS 2296:59D5 nidx=null]
 + Kunluniacypris Kempf, 2015 [ACCEPTED GENUS 2298:84PSG nidx=null]
Kunmingella
 - Kunmingella [ACCEPTED GENUS 2296:59D7 nidx=null]
 + Kunmingella Huo, 1956 [ACCEPTED GENUS 2298:84PSH nidx=null]
Kurchatovus
 - Kurchatovus [ACCEPTED GENUS 2296:62VMG nidx=null]
 + Kurchatovus DattaGupta, 1977 [ACCEPTED GENUS 2298:84NKT nidx=null]
Kurenkovia
 - Kurenkovia [ACCEPTED GENUS 2296:62VMK nidx=null]
 + Kurenkovia Sokolskaya, 1969 [ACCEPTED GENUS 2298:84NKV nidx=null]
 + Kurenkovia Melnikova, 1981 [ACCEPTED GENUS 2298:84NKW nidx=null]
Kuwaita
 - Kuwaita [ACCEPTED GENUS 2296:59HJ nidx=null]
 + Kuwaita Mohammad, 1973 [ACCEPTED GENUS 2298:84NKY nidx=null]
Kyopoda
 - Kyopoda [ACCEPTED GENUS 2296:59K3 nidx=null]
 + Kyopoda Larson, 1988 [ACCEPTED GENUS 2298:84NL2 nidx=null]
Kyopodiidae
 - Kyopodiidae [ACCEPTED FAMILY 2296:BPB nidx=null]
 + Kyopodiidae Larson, 1988 [ACCEPTED FAMILY 2298:84K5D nidx=null]
Kyphocythere
 - Kyphocythere [ACCEPTED GENUS 2296:59K9 nidx=null]
 + Kyphocythere Sars, 1925 [ACCEPTED GENUS 2298:84PSM nidx=null]
Kyrtoecia
 - Kyrtoecia [ACCEPTED GENUS 2296:59KQ nidx=null]
 + Kyrtoecia Chavtur & Angel, 2011 [ACCEPTED GENUS 2298:84PSN nidx=null]
Labioleanira
 - Labioleanira [ACCEPTED GENUS 2296:59N9 nidx=null]
 + Labioleanira Pettibone, 1992 [ACCEPTED GENUS 2298:84PSP nidx=null]
Labiosthenolepis
 - Labiosthenolepis [ACCEPTED GENUS 2296:59ND nidx=null]
 + Labiosthenolepis Pettibone, 1992 [ACCEPTED GENUS 2298:84PSQ nidx=null]
Labisophlita forcipula
 - Labisophlita forcipula (Lundbeck, 1905) [SYNONYM SPECIES 2296:3RJSJ nidx=null parent=6JDC7]
 + Labisophlita forcipula (Lundbeck, 1905) [SYNONYM SPECIES 2298:84YNJ nidx=null parent=85SV3]
Labraxeudes
 - Labraxeudes [ACCEPTED GENUS 2296:59PD nidx=null]
 + Labraxeudes Błażewicz-Paszkowycz & Bamber, 2007 [ACCEPTED GENUS 2298:84PSR nidx=null]
Labrorostratus
 - Labrorostratus [ACCEPTED GENUS 2296:59PZ nidx=null]
 + Labrorostratus Saint-Joseph, 1888 [ACCEPTED GENUS 2298:84NL6 nidx=null]
Labyrinthocyathus
 - Labyrinthocyathus [ACCEPTED GENUS 2296:59QN nidx=null]
 + Labyrinthocyathus Cairns, 1979 [ACCEPTED GENUS 2298:84NL9 nidx=null]
Lacinituba
 - Lacinituba [ACCEPTED GENUS 2296:59VK nidx=null]
 + Lacinituba Chiplonkar & Tapaswi, 1973 [ACCEPTED GENUS 2298:84PST nidx=null]
Lactuca brachyrrhyncha
 - Lactuca brachyrrhyncha Greenm. [ACCEPTED SPECIES 2296:3RT24 nidx=null]
 + Lactuca brachyrrhyncha Greenm. [ACCEPTED SPECIES 2298:84XQX nidx=null]
Lacydonia
 - Lacydonia [ACCEPTED GENUS 2296:59YB nidx=null]
 + Lacydonia Marion, 1874 [ACCEPTED GENUS 2298:84NLG nidx=null]
Lacydoniidae
 - Lacydoniidae [ACCEPTED FAMILY 2296:BQC nidx=null]
 + Lacydoniidae Bergström, 1914 [ACCEPTED FAMILY 2298:84K5J nidx=null]
Laeonereis
 - Laeonereis [ACCEPTED GENUS 2296:62VN8 nidx=null]
 + Laeonereis Hartman, 1945 [ACCEPTED GENUS 2298:84NLJ nidx=null]
Laeospira asperata
 - Laeospira asperata (Bush, 1905) [ACCEPTED SPECIES 2296:6NTBS nidx=null]
 + Laeospira asperata (Bush, 1905) [SYNONYM SPECIES 2298:84YNS nidx=null parent=77YV4]
Laeospira berkeleyana
 - Laeospira berkeleyana (Rioja, 1942) [ACCEPTED SPECIES 2296:6NTBR nidx=null]
 + Laeospira berkeleyana (Rioja, 1942) [SYNONYM SPECIES 2298:84YNT nidx=null parent=4HTDW]
Laeospira borealis
 - Laeospira borealis (Daudin, 1800) [ACCEPTED SPECIES 2296:6NTC3 nidx=null]
 + Laeospira borealis (Daudin, 1800) [SYNONYM SPECIES 2298:84YNV nidx=null parent=4Z8FH]
Laeospira corallinae
 - Laeospira corallinae (de Silva & Knight-Jones, 1962) [ACCEPTED SPECIES 2296:6NTC6 nidx=null]
 + Laeospira corallinae (de Silva & Knight-Jones, 1962) [SYNONYM SPECIES 2298:84YNW nidx=null parent=4Z8F8]
Laeospira moerchi
 - Laeospira moerchi (Levinsen, 1883) [ACCEPTED SPECIES 2296:6NTC2 nidx=null]
 + Laeospira moerchi [misspelling for L. morchi] [SYNONYM SPECIES 2298:84YNX nidx=null parent=85FFW]
Laeospira rosepigmentata
 - Laeospira rosepigmentata Uchida, 1971 [ACCEPTED SPECIES 2296:6NTBJ nidx=null]
 + Laeospira rosepigmentata Uchida, 1971 [SYNONYM SPECIES 2298:84YNY nidx=null parent=4HTDW]
Laeospira rupestris
 - Laeospira rupestris (Gee & Knight-Jones, 1962) [ACCEPTED SPECIES 2296:6NTBM nidx=null]
 + Laeospira rupestris (Gee & Knight-Jones, 1962) [SYNONYM SPECIES 2298:84YNZ nidx=null parent=4Z8FF]
Laetmonecticus
 - Laetmonecticus [ACCEPTED GENUS 2296:62VNT nidx=null]
 + Laetmonecticus Buzhinskaya, 1986 [ACCEPTED GENUS 2298:84PSW nidx=null]
Laetmonectidae
 - Laetmonectidae [ACCEPTED FAMILY 2296:BQK nidx=null]
 + Laetmonectidae Buzhinskaja, 1986 [ACCEPTED FAMILY 2298:84K5L nidx=null]
Laetmonice
 - Laetmonice [ACCEPTED GENUS 2296:637NT nidx=null]
 + Laetmonice Kinberg, 1856 [ACCEPTED GENUS 2298:84NLL nidx=null]
Lagis
 - Lagis [ACCEPTED GENUS 2296:62VR3 nidx=null]
 + Lagis Malmgren, 1866 [ACCEPTED GENUS 2298:84NLP nidx=null]
Lagis bocki naikaiensis
 - Lagis bocki naikaiensis Kitamori, 1965 [ACCEPTED INFRASPECIFIC_NAME 2296:7H8ZW nidx=null]
 + Lagis bocki naikaiensis Kitamori, 1965 [SYNONYM SUBSPECIES 2298:852P4 nidx=null parent=3RX5F]
Lagisca
 - Lagisca [ACCEPTED GENUS 2296:62W2R nidx=null]
 + Lagisca Malmgren, 1865 [ACCEPTED GENUS 2298:84NLQ nidx=null]
Lagisca floccosa
 - Lagisca floccosa (Savigny, 1818) [ACCEPTED SPECIES 2296:3RX66 nidx=null]
 + Lagisca floccosa [ACCEPTED SPECIES 2298:84X7G nidx=null]
Lagisca globulosa
 - Lagisca globulosa Hartmann-Schröder, 1962 [ACCEPTED SPECIES 2296:3RX68 nidx=null]
 + Lagisca globulosa Hartmann-Schröder, 1962 [SYNONYM SPECIES 2298:84YP2 nidx=null parent=6LCG2]
Lagisca multisetosa
 - Lagisca multisetosa Moore, 1902 [ACCEPTED SPECIES 2296:3RX6P nidx=null]
 + Lagisca multisetosa Moore, 1902 [SYNONYM SPECIES 2298:84X7H nidx=null parent=3JRGS]
Lagisca pottsi
 - Lagisca pottsi Horst, 1917 [ACCEPTED SPECIES 2296:3RX6V nidx=null]
 + Lagisca pottsi Horst, 1917 [SYNONYM SPECIES 2298:84YP3 nidx=null parent=67XL8]
Lamadrilus
 - Lamadrilus [ACCEPTED GENUS 2296:62VRT nidx=null]
 + Lamadrilus Timm, 1998 [ACCEPTED GENUS 2298:84PSX nidx=null]
Lamellastraea
 - Lamellastraea [ACCEPTED GENUS 2296:6383B nidx=null]
 + Lamellastraea Duncan, 1868 [ACCEPTED GENUS 2298:84PSY nidx=null]
Lamelleulepethus
 - Lamelleulepethus [ACCEPTED GENUS 2296:637RC nidx=null]
 + Lamelleulepethus Pettibone, 1986 [ACCEPTED GENUS 2298:84PSZ nidx=null]
Lamellibrachia
 - Lamellibrachia [ACCEPTED GENUS 2296:6383C nidx=null]
 + Lamellibrachia Webb, 1969 [ACCEPTED GENUS 2298:84NLX nidx=null]
Lamellibrachia sagami
 - Lamellibrachia sagami Kobayashi, Miura & Kojima, 2015 [ACCEPTED SPECIES 2296:3RZ25 nidx=null]
 + Lamellibrachia sagami Kobayashi, Miura & Kojima, 2015 [SYNONYM SPECIES 2298:84YP4 nidx=null parent=3RYZZ]
Lamellisabella
 - Lamellisabella [ACCEPTED GENUS 2296:637SJ nidx=null]
 + Lamellisabella Uschakov, 1933 [ACCEPTED GENUS 2298:84NLY nidx=null]
Lamellisyllis
 - Lamellisyllis [ACCEPTED GENUS 2296:6384J nidx=null]
 + Lamellisyllis Day, 1960 [ACCEPTED GENUS 2298:84PT2 nidx=null]
Lamellodysidea
 - Lamellodysidea [ACCEPTED GENUS 2296:62VSN nidx=null]
 + Lamellodysidea Cook & Bergquist, 2002 [ACCEPTED GENUS 2298:84NM2 nidx=null]
Lamellomorpha
 - Lamellomorpha [ACCEPTED GENUS 2296:6384N nidx=null]
 + Lamellomorpha Bergquist, 1968 [ACCEPTED GENUS 2298:84NM4 nidx=null]
Laminatubus
 - Laminatubus [ACCEPTED GENUS 2296:62VST nidx=null]
 + Laminatubus ten Hove & Zibrowius, 1986 [ACCEPTED GENUS 2298:84PT4 nidx=null]
Laminospongia
 - Laminospongia [ACCEPTED GENUS 2296:637T6 nidx=null]
 + Laminospongia Pulitzer-Finali, 1983 [ACCEPTED GENUS 2298:84NM7 nidx=null]
Lamispina
 - Lamispina [ACCEPTED GENUS 2296:62VSW nidx=null]
 + Lamispina Salazar-Vallejo, 2014 [ACCEPTED GENUS 2298:84PT5 nidx=null]
Lampophyton
 - Lampophyton [ACCEPTED GENUS 2296:639HF nidx=null]
 + Lampophyton Williams, 2000 [ACCEPTED GENUS 2298:84PTG nidx=null]
Lamprodrilus
 - Lamprodrilus [ACCEPTED GENUS 2296:639GY nidx=null]
 + Lamprodrilus Michaelsen, 1901 [ACCEPTED GENUS 2298:84NMK nidx=null]
Lamprortus
 - Lamprortus [ACCEPTED GENUS 2296:639J3 nidx=null]
 + Lamprortus Rodriguez, 1994 [ACCEPTED GENUS 2298:84PTH nidx=null]
Lanassa
 - Lanassa [ACCEPTED GENUS 2296:639JW nidx=null]
 + Lanassa Malmgren, 1866 [ACCEPTED GENUS 2298:84NMM nidx=null]
Lanceolatites
 - Lanceolatites [ACCEPTED GENUS 2296:639LC nidx=null]
 + Lanceolatites Bergman, 1987 [ACCEPTED GENUS 2298:84PTK nidx=null]
Lanceostoma
 - Lanceostoma [ACCEPTED GENUS 2296:62XLK nidx=null]
 + Lanceostoma Schornikov & Keyser, 2004 [ACCEPTED GENUS 2298:84PTL nidx=null]
Langerhansia anops
 - Langerhansia anops (Ehlers, 1897) [SYNONYM SPECIES 2296:3S6WF nidx=null parent=59YN4]
 + Langerhansia anops (Ehlers, 1897) [SYNONYM SPECIES 2298:84X7L nidx=null parent=84YV6]
Langerhansia cornuta hystricis
 - Langerhansia cornuta hystricis (McIntosh, 1902) [SYNONYM SUBSPECIES 2296:5J98B nidx=null parent=7J56Y]
 + Langerhansia cornuta hystricis (McIntosh, 1902) [AMBIGUOUS_SYNONYM SUBSPECIES 2298:852R4 nidx=null parent=85FL6]
Langerhansia japonica
 - Langerhansia japonica Imajima, 1966 [ACCEPTED SPECIES 2296:3S6WP nidx=null]
 + Langerhansia japonica Imajima, 1966 [SYNONYM SPECIES 2298:84YPC nidx=null parent=85FGZ]
Langia formosa
 - Langia formosa [SYNONYM SPECIES 2296:6NWZP nidx=null parent=36MP4]
 + Langia formosa Hubrecht, 1879 [SYNONYM SPECIES 2298:84YPD nidx=null parent=36MP4]
Langia obockiana
 - Langia obockiana [SYNONYM SPECIES 2296:3S6XD nidx=null parent=36MP6]
 + Langia obockiana Joubin, 1887 [SYNONYM SPECIES 2298:84YPF nidx=null parent=36MP6]
Langia vivesi
 - Langia vivesi [SYNONYM SPECIES 2296:3S6XF nidx=null parent=36MP7]
 + Langia vivesi Joubin, 1905 [SYNONYM SPECIES 2298:84YPG nidx=null parent=36MP7]
Langitanais
 - Langitanais [ACCEPTED GENUS 2296:639KZ nidx=null]
 + Langitanais Sieg, 1976 [ACCEPTED GENUS 2298:84NMQ nidx=null]
Lanice
 - Lanice [ACCEPTED GENUS 2296:639MG nidx=null]
 + Lanice Malmgren, 1866 [ACCEPTED GENUS 2298:84NMR nidx=null]
Lanicides
 - Lanicides [ACCEPTED GENUS 2296:62XMJ nidx=null]
 + Lanicides Hessle, 1917 [ACCEPTED GENUS 2298:84PTN nidx=null]
Lanicola
 - Lanicola [ACCEPTED GENUS 2296:639MJ nidx=null]
 + Lanicola Hartmann-Schröder, 1986 [ACCEPTED GENUS 2298:84PTP nidx=null]
Lankacythere
 - Lankacythere [ACCEPTED GENUS 2296:62XM4 nidx=null]
 + Lankacythere Bhatia & Kumar, 1979 [ACCEPTED GENUS 2298:84PTQ nidx=null]
Lanthanocephalus
 - Lanthanocephalus [ACCEPTED GENUS 2296:62XNF nidx=null]
 + Lanthanocephalus Williams & Starmer, 2000 [ACCEPTED GENUS 2298:84PTT nidx=null]
Lanuginella
 - Lanuginella [ACCEPTED GENUS 2296:62XNM nidx=null]
 + Lanuginella Schmidt, 1870 [ACCEPTED GENUS 2298:84NMX nidx=null]
Lanugonychia
 - Lanugonychia [ACCEPTED GENUS 2296:62XNL nidx=null]
 + Lanugonychia Lendenfeld, 1915 [ACCEPTED GENUS 2298:84NMY nidx=null]
Laocoetis
 - Laocoetis [ACCEPTED GENUS 2296:639N2 nidx=null]
 + Laocoetis Pomel, 1872 [ACCEPTED GENUS 2298:84NMZ nidx=null]
Laonice
 - Laonice [ACCEPTED GENUS 2296:639N8 nidx=null]
 + Laonice Malmgren, 1867 [ACCEPTED GENUS 2298:84NN5 nidx=null]
Laonice annenkowae
 - Laonice annenkowae Zachs, 1925 [ACCEPTED SPECIES 2296:6NWQ2 nidx=null]
 + Laonice annenkowae Zachs, 1925 [SYNONYM SPECIES 2298:84YPK nidx=null parent=72TXM]
Laonice cirrata postcirrata
 - Laonice cirrata postcirrata Hartmann-Schröder, 1965 [SYNONYM SUBSPECIES 2296:5J9D8 nidx=null parent=3S88N]
 + Laonice cirrata postcirrata Hartmann-Schröder, 1965 [SYNONYM SUBSPECIES 2298:852R5 nidx=null parent=85DVB]
Laonice cirrata praecirrata
 - Laonice cirrata praecirrata Hartmann-Schröder, 1965 [SYNONYM SUBSPECIES 2296:5J9D9 nidx=null parent=3S88N]
 + Laonice cirrata praecirrata Hartmann-Schröder, 1965 [SYNONYM SUBSPECIES 2298:852R6 nidx=null parent=85DVC]
Laonice foliata
 - Laonice foliata (Moore, 1923) [ACCEPTED SPECIES 2296:3S88R nidx=null]
 + Laonice foliata (Moore, 1923) [SYNONYM SPECIES 2298:84YPL nidx=null parent=3S88N]
Laonice quadridentata
 - Laonice quadridentata Blake & Kudenov, 1978 [ACCEPTED SPECIES 2296:3S89B nidx=null]
 + Laonice quadridentata Blake & Kudenov, 1978 [SYNONYM SPECIES 2298:84YPM nidx=null parent=3S88L]
Laonice sacculata
 - Laonice sacculata (Moore, 1923) [ACCEPTED SPECIES 2296:3S89D nidx=null]
 + Laonice sacculata (Moore, 1923) [SYNONYM SPECIES 2298:84YPN nidx=null parent=3S88N]
Laonome
 - Laonome [ACCEPTED GENUS 2296:62XMZ nidx=null]
 + Laonome Malmgren, 1866 [ACCEPTED GENUS 2298:84NN6 nidx=null]
Laperousecythere
 - Laperousecythere [ACCEPTED GENUS 2296:639B5 nidx=null]
 + Laperousecythere Brouwers, 1993 [ACCEPTED GENUS 2298:84NNB nidx=null]
Laphania
 - Laphania [ACCEPTED GENUS 2296:62XB4 nidx=null]
 + Laphania Malmgren, 1866 [ACCEPTED GENUS 2298:84NNC nidx=null]
Lapidogorgia
 - Lapidogorgia [ACCEPTED GENUS 2296:639C9 nidx=null]
 + Lapidogorgia Grasshoff, 1999 [ACCEPTED GENUS 2298:84PTX nidx=null]
Lapispecus
 - Lapispecus [ACCEPTED GENUS 2296:62XCC nidx=null]
 + Lapispecus Voigt, 1970 [ACCEPTED GENUS 2298:84PTY nidx=null]
Laqueoserpula
 - Laqueoserpula [ACCEPTED GENUS 2296:639C4 nidx=null]
 + Laqueoserpula Lommerzheim, 1979 [ACCEPTED GENUS 2298:84PTZ nidx=null]
Larsenotanais
 - Larsenotanais [ACCEPTED GENUS 2296:62XFC nidx=null]
 + Larsenotanais Blazewicz-Paszkowycz, 2007 [ACCEPTED GENUS 2298:84PV6 nidx=null]
Larsmentia
 - Larsmentia [ACCEPTED GENUS 2296:62XFB nidx=null]
 + Larsmentia Bamber & Marshall, 2015 [ACCEPTED GENUS 2298:84PV7 nidx=null]
Larymna
 - Larymna [ACCEPTED GENUS 2296:5B25 nidx=null]
 + Larymna Kinberg, 1865 [ACCEPTED GENUS 2298:84PV8 nidx=null]
Lasionectes
 - Lasionectes [ACCEPTED GENUS 2296:5B5G nidx=null]
 + Lasionectes Yager & Schram, 1986 [ACCEPTED GENUS 2298:84PVG nidx=null]
Lateothela
 - Lateothela [ACCEPTED GENUS 2296:5B98 nidx=null]
 + Lateothela Moore, Alderslade & Miller, 2017 [ACCEPTED GENUS 2298:84PVH nidx=null]
Latinopsis
 - Latinopsis [ACCEPTED GENUS 2296:5BCP nidx=null]
 + Latinopsis Karanovic & Datry, 2009 [ACCEPTED GENUS 2298:84PVJ nidx=null]
Latitanais
 - Latitanais [ACCEPTED GENUS 2296:5BD8 nidx=null]
 + Latitanais Kudinova-Pasternak, 1987 [ACCEPTED GENUS 2298:84PVK nidx=null]
Latomeandridae
 - Latomeandridae [ACCEPTED FAMILY 2296:BT4 nidx=null]
 + Latomeandridae Alloiteau, 1952 [ACCEPTED FAMILY 2298:84K84 nidx=null]
Latrunclava
 - Latrunclava [ACCEPTED GENUS 2296:62X7N nidx=null]
 + Latrunclava Kelly, Reiswig & Samaai, 2016 [ACCEPTED GENUS 2298:84PVP nidx=null]
Latrunculia
 - Latrunculia [ACCEPTED GENUS 2296:638VN nidx=null]
 - Latrunculia [ACCEPTED SUBGENUS 2296:6397N nidx=null]
 + Latrunculia du Bocage, 1869 [ACCEPTED GENUS 2298:84NNM nidx=null]
Latrunculiidae
 - Latrunculiidae [ACCEPTED FAMILY 2296:BT9 nidx=null]
 + Latrunculiidae Topsent, 1922 [ACCEPTED FAMILY 2298:84K5S nidx=null]
Laubieriellus
 - Laubieriellus [ACCEPTED GENUS 2296:5BF8 nidx=null]
 + Laubieriellus Maciolek, 1981 [ACCEPTED GENUS 2298:84PVQ nidx=null]
Laubieriopsis
 - Laubieriopsis [ACCEPTED GENUS 2296:5BFB nidx=null]
 + Laubieriopsis Petersen, 2000 [ACCEPTED GENUS 2298:84PVR nidx=null]
Laubieriopsis brevis japonica
 - Laubieriopsis brevis japonica Imajima, 2009 [ACCEPTED INFRASPECIFIC_NAME 2296:7GZ8D nidx=null]
 + Laubieriopsis brevis japonica Imajima, 2009 [SYNONYM SUBSPECIES 2298:852P5 nidx=null parent=3SM64]
Laubierpholoe
 - Laubierpholoe [ACCEPTED GENUS 2296:5BFC nidx=null]
 + Laubierpholoe Pettibone, 1992 [ACCEPTED GENUS 2298:84PVS nidx=null]
Laubierus
 - Laubierus [ACCEPTED GENUS 2296:5BFD nidx=null]
 + Laubierus Blake, 1993 [ACCEPTED GENUS 2298:84PVT nidx=null]
Laxosuberella topsenti
 - Laxosuberella topsenti (Burton, 1929) [SYNONYM SPECIES 2296:3SNW8 nidx=null parent=53D8T]
 + Laxosuberella topsenti (Burton, 1929) [SYNONYM SPECIES 2298:84YPV nidx=null parent=85SXL]
Laxosuberites incrustans
 - Laxosuberites incrustans [SYNONYM SPECIES 2296:3SNWJ nidx=null parent=4N7CX]
 + Laxosuberites incrustans [AMBIGUOUS_SYNONYM SPECIES 2298:84X9H nidx=null parent=85T6L]
Laxotethya
 - Laxotethya [ACCEPTED GENUS 2296:5BKC nidx=null]
 + Laxotethya Sarà & Sarà, 2002 [ACCEPTED GENUS 2298:84NNP nidx=null]
Leaena
 - Leaena [ACCEPTED GENUS 2296:5BKZ nidx=null]
 + Leaena Malmgren, 1866 [ACCEPTED GENUS 2298:84NNQ nidx=null]
Leanira
 - Leanira [ACCEPTED GENUS 2296:5BL6 nidx=null]
 + Leanira Kinberg, 1856 [ACCEPTED GENUS 2298:84NNR nidx=null]
Lefroyella
 - Lefroyella [ACCEPTED GENUS 2296:5BSW nidx=null]
 + Lefroyella Thomson, 1877 [ACCEPTED GENUS 2298:84NNT nidx=null]
Legitimocythere
 - Legitimocythere [ACCEPTED GENUS 2296:5BTM nidx=null]
 + Legitimocythere Coles & Whatley, 1989 [ACCEPTED GENUS 2298:84NNV nidx=null]
Legnodesmus
 - Legnodesmus [ACCEPTED GENUS 2296:5BTQ nidx=null]
 + Legnodesmus Ehlers, 1869 [ACCEPTED GENUS 2298:84PW2 nidx=null]
Leguminocythereis
 - Leguminocythereis [ACCEPTED GENUS 2296:5BTX nidx=null]
 + Leguminocythereis Howe in Howe & Law, 1936 [ACCEPTED GENUS 2298:84NNX nidx=null]
Leicacandona
 - Leicacandona [ACCEPTED GENUS 2296:638W8 nidx=null]
 + Leicacandona Karanovic, 2007 [ACCEPTED GENUS 2298:84PW3 nidx=null]
Leiobolidium repletum
 - Leiobolidium repletum Reiswig, 2000 [SYNONYM SPECIES 2296:3SXY5 nidx=null parent=3MWM9]
 + Leiobolidium repletum [SYNONYM SPECIES 2298:84YQ2 nidx=null parent=3MWM9]
Leiocapitella
 - Leiocapitella [ACCEPTED GENUS 2296:5BVS nidx=null]
 + Leiocapitella Hartman, 1947 [ACCEPTED GENUS 2298:84NNY nidx=null]
Leiocapitellides
 - Leiocapitellides [ACCEPTED GENUS 2296:5BVT nidx=null]
 + Leiocapitellides Hartmann-Schröder, 1960 [ACCEPTED GENUS 2298:84PW4 nidx=null]
Leiochone
 - Leiochone [ACCEPTED GENUS 2296:5BVZ nidx=null]
 + Leiochone Grube, 1868 [ACCEPTED GENUS 2298:84PW5 nidx=null]
Leiochrides
 - Leiochrides [ACCEPTED GENUS 2296:5BW2 nidx=null]
 + Leiochrides Augener, 1914 [ACCEPTED GENUS 2298:84NNZ nidx=null]
Leiochrus
 - Leiochrus [ACCEPTED GENUS 2296:5BW5 nidx=null]
 + Leiochrus Ehlers, 1908 [ACCEPTED GENUS 2298:84NP2 nidx=null]
Leiodermatium
 - Leiodermatium [ACCEPTED GENUS 2296:5BWF nidx=null]
 + Leiodermatium Schmidt, 1870 [ACCEPTED GENUS 2298:84NP3 nidx=null]
Leioplegma
 - Leioplegma [ACCEPTED GENUS 2296:5BXW nidx=null]
 + Leioplegma Reiswig & Tsurumi, 1996 [ACCEPTED GENUS 2298:84NP4 nidx=null]
Leioselasma cyanocinctus
 - Leioselasma cyanocinctus Kharin, 1984 [SYNONYM SPECIES 2296:6P766 nidx=null parent=3N88Z]
 + Leioselasma cyanocinctus Kharin, 1984 [SYNONYM SPECIES 2298:84YQ5 nidx=null parent=3N88Z]
Leioselasma pacificus
 - Leioselasma pacificus Kharin, 1984 [SYNONYM SPECIES 2296:6P764 nidx=null parent=3N8BD]
 + Leioselasma pacificus Kharin, 1984 [SYNONYM SPECIES 2298:84YQ6 nidx=null parent=3N8BD]
Leiosella
 - Leiosella [ACCEPTED GENUS 2296:5BYJ nidx=null]
 + Leiosella Lendenfeld, 1888 [ACCEPTED GENUS 2298:84NP5 nidx=null]
Leitoscoloplos
 - Leitoscoloplos [ACCEPTED GENUS 2296:5C2C nidx=null]
 + Leitoscoloplos Day, 1977 [ACCEPTED GENUS 2298:84NP6 nidx=null]
Leitoscoloplos acutus
 - Leitoscoloplos acutus (Verrill, 1873) [SYNONYM SPECIES 2296:3T3CS nidx=null parent=4VSKS]
 + Leitoscoloplos acutus (Verrill, 1873) [ACCEPTED SPECIES 2298:84X9S nidx=null]
Lelapia
 - Lelapia [ACCEPTED GENUS 2296:5C2V nidx=null]
 + Lelapia Gray, 1867 [ACCEPTED GENUS 2298:84NP7 nidx=null]
Lelapiella
 - Lelapiella [ACCEPTED GENUS 2296:5C2W nidx=null]
 + Lelapiella Vacelet, 1977 [ACCEPTED GENUS 2298:84NP8 nidx=null]
Lelapiellidae
 - Lelapiellidae [ACCEPTED FAMILY 2296:BV5 nidx=null]
 + Lelapiellidae Borojevic, Boury-Esnault & Vacelet, 1990 [ACCEPTED FAMILY 2298:84K5V nidx=null]
Lelapiidae
 - Lelapiidae [ACCEPTED FAMILY 2296:BV6 nidx=null]
 + Lelapiidae Dendy & Row, 1913 [ACCEPTED FAMILY 2298:84K5W nidx=null]
Lemnalia
 - Lemnalia [ACCEPTED GENUS 2296:5C5Q nidx=null]
 + Lemnalia Gray, 1868 [ACCEPTED GENUS 2298:84PW9 nidx=null]
Lendenfeldia
 - Lendenfeldia [ACCEPTED GENUS 2296:5C7C nidx=null]
 + Lendenfeldia Bergquist, 1980 [ACCEPTED GENUS 2298:84NPB nidx=null]
Leocrates
 - Leocrates [ACCEPTED GENUS 2296:6398Q nidx=null]
 + Leocrates Kinberg, 1866 [ACCEPTED GENUS 2298:84NPD nidx=null]
Leocrates atlanticus
 - Leocrates atlanticus (McIntosh, 1885) [ACCEPTED SPECIES 2296:6P8X6 nidx=null]
 + Leocrates atlanticus (McIntosh, 1885) [ACCEPTED SPECIES 2298:84YQD nidx=null]
Leocratides
 - Leocratides [ACCEPTED GENUS 2296:63992 nidx=null]
 + Leocratides Ehlers, 1908 [ACCEPTED GENUS 2298:84PWH nidx=null]
Leodamas
 - Leodamas [ACCEPTED GENUS 2296:62X8P nidx=null]
 + Leodamas Kinberg, 1866 [ACCEPTED GENUS 2298:84PWJ nidx=null]
Leodice
 - Leodice [ACCEPTED GENUS 2296:62X8S nidx=null]
 + Leodice Lamarck, 1818 [ACCEPTED GENUS 2298:84PWK nidx=null]
Leodora
 - Leodora [ACCEPTED GENUS 2296:6398S nidx=null]
 + Leodora Saint-Joseph, 1894 [ACCEPTED GENUS 2298:84NPF nidx=null]
Leogenys
 - Leogenys [ACCEPTED GENUS 2296:62WX3 nidx=null]
 + Leogenys du Chêne, 1976 [ACCEPTED GENUS 2298:84PWL nidx=null]
Leonnates
 - Leonnates [ACCEPTED GENUS 2296:5CBJ nidx=null]
 + Leonnates Kinberg, 1865 [ACCEPTED GENUS 2298:84PWM nidx=null]
Leonnates jousseaumei
 - Leonnates jousseaumei Gravier, 1901 [SYNONYM SPECIES 2296:3T6KQ nidx=null parent=3T6KP]
 + Leonnates jousseaumei [misspelling for L. jousseaumi] [SYNONYM SPECIES 2298:84YQG nidx=null parent=3T6KP]
Leperditiidae
 - Leperditiidae [ACCEPTED FAMILY 2296:BW2 nidx=null]
 + Leperditiidae Jones, 1856 [ACCEPTED FAMILY 2298:84K89 nidx=null]
Lepidametria
 - Lepidametria [ACCEPTED GENUS 2296:638WW nidx=null]
 + Lepidametria Webster, 1879 [ACCEPTED GENUS 2298:84NPH nidx=null]
Lepidasthenia
 - Lepidasthenia [ACCEPTED GENUS 2296:62X8Y nidx=null]
 + Lepidasthenia Malmgren, 1867 [ACCEPTED GENUS 2298:84NPK nidx=null]
Lepidasthenia digueti
 - Lepidasthenia digueti Gravier, 1905 [ACCEPTED SPECIES 2296:6P9X5 nidx=null]
 + Lepidasthenia digueti Gravier, 1905 [SYNONYM SPECIES 2298:84YQK nidx=null parent=85DWZ]
Lepidasthenia picta
 - Lepidasthenia picta Treadwell, 1928 [SYNONYM SPECIES 2296:6P9XS nidx=null parent=6P9XL]
 + Lepidasthenia picta Treadwell, 1928 [ACCEPTED SPECIES 2298:84YQM nidx=null]
Lepidasthenia varius
 - Lepidasthenia varius Treadwell, 1917 [ACCEPTED SPECIES 2296:6P9XL nidx=null]
 + Lepidasthenia varius Treadwell, 1917 [SYNONYM SPECIES 2298:84X9Z nidx=null parent=6P9XK]
Lepidastheniella
 - Lepidastheniella [ACCEPTED GENUS 2296:638WY nidx=null]
 + Lepidastheniella Monro, 1924 [ACCEPTED GENUS 2298:84NPL nidx=null]
Lepidastheniella monroi
 - Lepidastheniella monroi Benham, 1950 [ACCEPTED SPECIES 2296:6P9XB nidx=null]
 + Lepidastheniella monroi Benham, 1950 [SYNONYM SPECIES 2298:84XB2 nidx=null parent=6P9XD]
Lepidisis
 - Lepidisis [ACCEPTED GENUS 2296:5CFB nidx=null]
 + Lepidisis Verrill, 1883 [ACCEPTED GENUS 2298:84NPM nidx=null]
Lepidofimbria
 - Lepidofimbria [ACCEPTED GENUS 2296:5CH7 nidx=null]
 + Lepidofimbria Hartman, 1967 [ACCEPTED GENUS 2298:84NPP nidx=null]
Lepidogyra
 - Lepidogyra [ACCEPTED GENUS 2296:5CHF nidx=null]
 + Lepidogyra Hartman, 1967 [ACCEPTED GENUS 2298:84NPQ nidx=null]
Lepidoleucon
 - Lepidoleucon [ACCEPTED GENUS 2296:5CHP nidx=null]
 + Lepidoleucon Vacelet, 1967 [ACCEPTED GENUS 2298:84NPR nidx=null]
Lepidoleuconidae
 - Lepidoleuconidae [ACCEPTED FAMILY 2296:BWL nidx=null]
 + Lepidoleuconidae Vacelet, 1967 [ACCEPTED FAMILY 2298:84K63 nidx=null]
Lepidomuricea
 - Lepidomuricea [ACCEPTED GENUS 2296:5CHY nidx=null]
 + Lepidomuricea Kükenthal, 1919 [ACCEPTED GENUS 2298:84PWQ nidx=null]
Lepidonopsis
 - Lepidonopsis [ACCEPTED GENUS 2296:5CJD nidx=null]
 + Lepidonopsis Pettibone, 1977 [ACCEPTED GENUS 2298:84PWR nidx=null]
Lepidonotopodium
 - Lepidonotopodium [ACCEPTED GENUS 2296:5CJF nidx=null]
 + Lepidonotopodium Pettibone, 1983 [ACCEPTED GENUS 2298:84PWS nidx=null]
Lepidonotus (Physalidonotus) barbatus
 - Lepidonotus (Physalidonotus) barbatus Augener, 1910 [SYNONYM SPECIES 2296:6PCLD nidx=null parent=69MLZ]
 + Lepidonotus (Physalidonotus) barbatus Augener, 1910 [SYNONYM SPECIES 2298:84YQZ nidx=null parent=69MLG]
Lepidonotus branchiferus
 - Lepidonotus branchiferus Moore, 1903 [SYNONYM SPECIES 2296:6PCC4 nidx=null parent=3CMGF]
 + Lepidonotus branchiferus Moore, 1903 [SYNONYM SPECIES 2298:84YR2 nidx=null parent=6GZBH]
Lepidonotus panamensis
 - Lepidonotus panamensis Hartman, 1939 [ACCEPTED SPECIES 2296:3TCCR nidx=null]
 + Lepidonotus panamensis Hartman, 1939 [SYNONYM SPECIES 2298:84YR4 nidx=null parent=5XMLB]
Lepidonotus pomareae panamensis
 - Lepidonotus pomareae panamensis Hartman, 1939 [SYNONYM SUBSPECIES 2296:7JWQG nidx=null parent=3TCCR]
 + Lepidonotus pomareae panamensis Hartman, 1939 [SYNONYM SUBSPECIES 2298:852R7 nidx=null parent=5XMLB]
Lepidonotus semicinctus
 - Lepidonotus semicinctus [SYNONYM SPECIES 2296:3TCDD nidx=null parent=3TCDF]
 + Lepidonotus semicinctus [lapsus for L. semitectus] [SYNONYM SPECIES 2298:84YR5 nidx=null parent=3TCDF]
Lepidonotus setosior
 - Lepidonotus setosior Chamberlin, 1919 [ACCEPTED SPECIES 2296:3TCDG nidx=null]
 + Lepidonotus setosior Chamberlin, 1919 [SYNONYM SPECIES 2298:84XB4 nidx=null parent=85FJZ]
Lepidonotus suluensis
 - Lepidonotus suluensis Horst, 1917 [ACCEPTED SPECIES 2296:3TCDT nidx=null]
 + Lepidonotus suluensis Horst, 1917 [SYNONYM SPECIES 2298:84YR6 nidx=null parent=3CMGK]
Lepidosphaera
 - Lepidosphaera [ACCEPTED GENUS 2296:5CL5 nidx=null]
 + Lepidosphaera Lévi & Lévi, 1979 [ACCEPTED GENUS 2298:84NPW nidx=null]
Lepidothenea
 - Lepidothenea [ACCEPTED GENUS 2296:5CLP nidx=null]
 + Lepidothenea Laubenfels, 1936 [ACCEPTED GENUS 2298:84PWT nidx=null]
Leprea (Terebella) lapidaria
 - Leprea (Terebella) lapidaria Augener, 1918 [SYNONYM SPECIES 2296:3TGK2 nidx=null parent=7C28S]
 + Leprea (Terebella) lapidaria (Linnaeus, 1767) [SYNONYM SPECIES 2298:84YR9 nidx=null parent=7BPX9]
Leptastrea
 - Leptastrea [ACCEPTED GENUS 2296:5CSJ nidx=null]
 + Leptastrea Milne Edwards & Haime, 1849 [ACCEPTED GENUS 2298:84NQ3 nidx=null]
Leptobrachia
 - Leptobrachia [ACCEPTED GENUS 2296:638XV nidx=null]
 + Leptobrachia Brandt, 1836 [ACCEPTED GENUS 2298:84M64 nidx=null]
Leptochelia
 - Leptochelia [ACCEPTED GENUS 2296:5CWH nidx=null]
 + Leptochelia Dana, 1849 [ACCEPTED GENUS 2298:84NQ7 nidx=null]
Leptocheliidae
 - Leptocheliidae [ACCEPTED FAMILY 2296:BXB nidx=null]
 + Leptocheliidae Lang, 1973 [ACCEPTED FAMILY 2298:84K65 nidx=null]
Leptocyathus
 - Leptocyathus [ACCEPTED GENUS 2296:5CYK nidx=null]
 + Leptocyathus Milne Edwards & Haime, 1850 [ACCEPTED GENUS 2298:84PX5 nidx=null]
Leptocytheridae
 - Leptocytheridae [ACCEPTED FAMILY 2296:624XY nidx=null]
 + Leptocytheridae Hanai, 1957 [ACCEPTED FAMILY 2298:84K67 nidx=null]
Leptoecia
 - Leptoecia [ACCEPTED GENUS 2296:5D2L nidx=null]
 + Leptoecia Chamberlin, 1919 [ACCEPTED GENUS 2298:84NQB nidx=null]
Leptognathia
 - Leptognathia [ACCEPTED GENUS 2296:62WXY nidx=null]
 + Leptognathia Sars, 1882 [ACCEPTED GENUS 2298:84NQF nidx=null]
Leptognathiella
 - Leptognathiella [ACCEPTED GENUS 2296:5D3F nidx=null]
 + Leptognathiella Hansen, 1913 [ACCEPTED GENUS 2298:84NQG nidx=null]
Leptognathiidae
 - Leptognathiidae [ACCEPTED FAMILY 2296:BXL nidx=null]
 + Leptognathiidae Sieg, 1976 [ACCEPTED FAMILY 2298:84K68 nidx=null]
Leptognathioides
 - Leptognathioides [ACCEPTED GENUS 2296:5D3G nidx=null]
 + Leptognathioides Bird & Holdich, 1984 [ACCEPTED GENUS 2298:84PX7 nidx=null]
Leptognathiopsis
 - Leptognathiopsis [ACCEPTED GENUS 2296:5D3H nidx=null]
 + Leptognathiopsis Holdich & Bird, 1986 [ACCEPTED GENUS 2298:84PX8 nidx=null]
Leptogorgia
 - Leptogorgia [ACCEPTED GENUS 2296:5D3N nidx=null]
 + Leptogorgia Milne Edwards, 1857 [ACCEPTED GENUS 2298:84NQH nidx=null]
Leptolicoa
 - Leptolicoa [ACCEPTED GENUS 2296:5D53 nidx=null]
 + Leptolicoa Gutu, 2006 [ACCEPTED GENUS 2298:84PXB nidx=null]
Leptomeria billardierii
 - Leptomeria billardierii R. Br. [SYNONYM SPECIES 2296:3TR9G nidx=null parent=3TR9N]
 + Leptomeria billardierii R. Br. [SYNONYM SPECIES 2298:84XSB nidx=null parent=3TR9N]
Leptonemertes
 - Leptonemertes [ACCEPTED GENUS 2296:5D7N nidx=null]
 + Leptonemertes Girard, 1893 [ACCEPTED GENUS 2298:84PXF nidx=null]
Leptonereis
 - Leptonereis [ACCEPTED GENUS 2296:5D7R nidx=null]
 - Leptonereis [ACCEPTED SUBGENUS 2296:5D7S nidx=null]
 + Leptonereis Kinberg, 1865 [ACCEPTED GENUS 2298:84PXG nidx=null]
Leptonerilla
 - Leptonerilla [ACCEPTED GENUS 2296:5D7T nidx=null]
 + Leptonerilla Westheide & Purschke, 1996 [ACCEPTED GENUS 2298:84PXH nidx=null]
Leptopenus
 - Leptopenus [ACCEPTED GENUS 2296:5D8L nidx=null]
 + Leptopenus Moseley, 1880 [ACCEPTED GENUS 2298:84NQJ nidx=null]
Leptophytidae
 - Leptophytidae [ACCEPTED FAMILY 2296:BXZ nidx=null]
 + Leptophytidae McFadden & van Ofwegen, 2017 [ACCEPTED FAMILY 2298:84K8C nidx=null]
Leptophyton
 - Leptophyton [ACCEPTED GENUS 2296:5D9R nidx=null]
 + Leptophyton van Ofwegen & Schleyer, 1997 [ACCEPTED GENUS 2298:84PXL nidx=null]
Leptoprion
 - Leptoprion [ACCEPTED GENUS 2296:62WXK nidx=null]
 + Leptoprion Myannil & Zaslavskaya, 1985 [ACCEPTED GENUS 2298:84PXM nidx=null]
Leptopsammia
 - Leptopsammia [ACCEPTED GENUS 2296:62WYQ nidx=null]
 + Leptopsammia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84NQL nidx=null]
Leptoria
 - Leptoria [ACCEPTED GENUS 2296:5DC2 nidx=null]
 + Leptoria Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84NQM nidx=null]
Leptosastra
 - Leptosastra [ACCEPTED GENUS 2296:5DCD nidx=null]
 + Leptosastra Topsent, 1904 [ACCEPTED GENUS 2298:84NQN nidx=null]
Leptoseris
 - Leptoseris [ACCEPTED GENUS 2296:5DCY nidx=null]
 + Leptoseris Milne Edwards & Haime, 1849 [ACCEPTED GENUS 2298:84NQP nidx=null]
Letepsammia
 - Letepsammia [ACCEPTED GENUS 2296:5DNL nidx=null]
 + Letepsammia Yabe & Eguchi, 1932 [ACCEPTED GENUS 2298:84NQW nidx=null]
Leucaltidae
 - Leucaltidae [ACCEPTED FAMILY 2296:BZ4 nidx=null]
 + Leucaltidae Dendy & Row, 1913 [ACCEPTED FAMILY 2298:84K6B nidx=null]
Leucaltis
 - Leucaltis [ACCEPTED GENUS 2296:5DQN nidx=null]
 + Leucaltis Haeckel, 1872 [ACCEPTED GENUS 2298:84NQX nidx=null]
Leucandra
 - Leucandra [ACCEPTED GENUS 2296:5DQP nidx=null]
 + Leucandra Haeckel, 1872 [ACCEPTED GENUS 2298:84NQY nidx=null]
Leucandra echinata
 - Leucandra echinata (Carter, 1886) [PROVISIONALLY_ACCEPTED SPECIES 2296:6Q4CZ nidx=null]
 + Leucandra echinata (Carter, 1886) [AMBIGUOUS_SYNONYM SPECIES 2298:84YTS nidx=null parent=85SZ5]
Leucandrilla
 - Leucandrilla [ACCEPTED GENUS 2296:5DQQ nidx=null]
 + Leucandrilla Borojevic, Boury-Esnault & Vacelet, 2000 [ACCEPTED GENUS 2298:84NQZ nidx=null]
Leucascandra
 - Leucascandra [ACCEPTED GENUS 2296:5DR7 nidx=null]
 + Leucascandra Borojevic & Klautau, 2000 [ACCEPTED GENUS 2298:84NR2 nidx=null]
Leucascidae
 - Leucascidae [ACCEPTED FAMILY 2296:BZ5 nidx=null]
 + Leucascidae Dendy, 1893 [ACCEPTED FAMILY 2298:84K6C nidx=null]
Leucascus
 - Leucascus [ACCEPTED GENUS 2296:5DR8 nidx=null]
 + Leucascus Dendy, 1892 [ACCEPTED GENUS 2298:84NR3 nidx=null]
Leucascus amitsbo
 - Leucascus amitsbo (Hôzawa, 1929) [SYNONYM SPECIES 2296:6Q3XM nidx=null parent=H8DR]
 + Leucascus amitsbo (Hôzawa, 1929) [SYNONYM SPECIES 2298:84YTV nidx=null parent=859LW]
Leucetta
 - Leucetta [ACCEPTED GENUS 2296:5DRG nidx=null]
 + Leucetta Haeckel, 1872 [ACCEPTED GENUS 2298:84NR4 nidx=null]
Leucettaga
 - Leucettaga [ACCEPTED GENUS 2296:5DRH nidx=null]
 + Leucettaga Haeckel, 1872 [ACCEPTED GENUS 2298:84NR5 nidx=null]
Leucettidae
 - Leucettidae [ACCEPTED FAMILY 2296:BZ6 nidx=null]
 + Leucettidae Laubenfels, 1936 [ACCEPTED FAMILY 2298:84K6D nidx=null]
Leucettusa
 - Leucettusa [ACCEPTED GENUS 2296:5DRJ nidx=null]
 + Leucettusa Haeckel, 1872 [ACCEPTED GENUS 2298:84NR6 nidx=null]
Leucia
 - Leucia [ACCEPTED GENUS 2296:5DRM nidx=null]
 + Leucia Malmgren, 1867 [ACCEPTED GENUS 2298:84NR7 nidx=null]
Leucilla
 - Leucilla [ACCEPTED GENUS 2296:5DRR nidx=null]
 + Leucilla Haeckel, 1872 [ACCEPTED GENUS 2298:84NR8 nidx=null]
Leuclathrina
 - Leuclathrina [ACCEPTED GENUS 2296:5DS4 nidx=null]
 + Leuclathrina Borojevic & Boury-Esnault, 1987 [ACCEPTED GENUS 2298:84NR9 nidx=null]
Leucocephalonemertes
 - Leucocephalonemertes [ACCEPTED GENUS 2296:5DSL nidx=null]
 + Leucocephalonemertes Cantell, 1996 [ACCEPTED GENUS 2298:84PXY nidx=null]
Leucomalthe
 - Leucomalthe [ACCEPTED GENUS 2296:5DV2 nidx=null]
 + Leucomalthe Haeckel, 1872 [ACCEPTED GENUS 2298:84NRF nidx=null]
Leuconia
 - Leuconia [ACCEPTED GENUS 2296:5DVN nidx=null]
 + Leuconia Grant, 1833 [ACCEPTED GENUS 2298:84NHC nidx=null]
Leuconia echinata
 - Leuconia echinata Carter, 1886 [SYNONYM SPECIES 2296:6PT36 nidx=null parent=6Q4CZ]
 + Leuconia echinata Carter, 1886 [AMBIGUOUS_SYNONYM SPECIES 2298:84YTY nidx=null parent=85SZ5]
Leucopsacidae
 - Leucopsacidae [ACCEPTED FAMILY 2296:BZB nidx=null]
 + Leucopsacidae Ijima, 1903 [ACCEPTED FAMILY 2298:84K6F nidx=null]
Leucopsacus
 - Leucopsacus [ACCEPTED GENUS 2296:62WMR nidx=null]
 + Leucopsacus Ijima, 1898 [ACCEPTED GENUS 2298:84NRG nidx=null]
Leucopsila
 - Leucopsila [ACCEPTED GENUS 2296:5DXD nidx=null]
 + Leucopsila Dendy & Row, 1913 [ACCEPTED GENUS 2298:84NRH nidx=null]
Leucosolenia
 - Leucosolenia [ACCEPTED GENUS 2296:5DY6 nidx=null]
 + Leucosolenia Bowerbank, 1864 [ACCEPTED GENUS 2298:84NRJ nidx=null]
Leucosolenia corallorrhiza
 - Leucosolenia corallorrhiza (Haeckel, 1872) [SYNONYM SPECIES 2296:6PTPC nidx=null parent=7262R]
 + Leucosolenia corallorrhiza (Haeckel, 1872) [ACCEPTED SPECIES 2298:84YV2 nidx=null]
Leucosolenia gegenbauri
 - Leucosolenia gegenbauri (Haeckel, 1870) [ACCEPTED SPECIES 2296:725R6 nidx=null]
 + Leucosolenia gegenbauri Haeckel, 1870 [SYNONYM SPECIES 2298:84YV3 nidx=null parent=H5BP]
Leucosolenia solida
 - Leucosolenia solida Brøndsted, 1931 [ACCEPTED SPECIES 2296:6Q5R3 nidx=null]
 + Leucosolenia solida Brøndsted, 1931 [SYNONYM SPECIES 2298:84YV4 nidx=null parent=85SZC]
Leucosolenida
 - Leucosolenida [ACCEPTED ORDER 2296:3FZ nidx=null]
 + Leucosolenida Hartman, 1958 [ACCEPTED ORDER 2298:84JQ7 nidx=null]
Leucosoleniidae
 - Leucosoleniidae [ACCEPTED FAMILY 2296:BZD nidx=null]
 + Leucosoleniidae Minchin, 1900 [ACCEPTED FAMILY 2298:84K6H nidx=null]
Leucyssa
 - Leucyssa [ACCEPTED GENUS 2296:638N5 nidx=null]
 + Leucyssa Haeckel, 1872 [ACCEPTED GENUS 2298:84NRK nidx=null]
Leuroleberis
 - Leuroleberis [ACCEPTED GENUS 2296:62WNS nidx=null]
 + Leuroleberis Kornicker, 1981 [ACCEPTED GENUS 2298:84NRL nidx=null]
Levantiniella
 - Levantiniella [ACCEPTED GENUS 2296:62WQ5 nidx=null]
 + Levantiniella Carella, Agell, Cárdenas & Uriz, 2016 [ACCEPTED GENUS 2298:84PY5 nidx=null]
Levensteiniella
 - Levensteiniella [ACCEPTED GENUS 2296:638P6 nidx=null]
 + Levensteiniella Pettibone, 1985 [ACCEPTED GENUS 2298:84PY6 nidx=null]
Leviapseudes
 - Leviapseudes [ACCEPTED GENUS 2296:638P8 nidx=null]
 + Leviapseudes Sieg, 1983 [ACCEPTED GENUS 2298:84NRN nidx=null]
Levidorum
 - Levidorum [ACCEPTED GENUS 2296:638PD nidx=null]
 + Levidorum Hartman, 1967 [ACCEPTED GENUS 2298:84NRP nidx=null]
Levinella
 - Levinella [ACCEPTED GENUS 2296:62X2H nidx=null]
 + Levinella Borojevic & Boury-Esnault, 1986 [ACCEPTED GENUS 2298:84NRQ nidx=null]
Levinellidae
 - Levinellidae [ACCEPTED FAMILY 2296:BZK nidx=null]
 + Levinellidae Borojevic & Boury-Esnault, 1986 [ACCEPTED FAMILY 2298:84K6J nidx=null]
Levinsenia
 - Levinsenia [ACCEPTED GENUS 2296:638QH nidx=null]
 + Levinsenia Mesnil, 1897 [ACCEPTED GENUS 2298:84NRR nidx=null]
Levinsenia gracilis minuta
 - Levinsenia gracilis minuta Hartmann-Schröder, 1965 [ACCEPTED INFRASPECIFIC_NAME 2296:7GZMM nidx=null]
 + Levinsenia gracilis minuta (Hartmann-Schröder, 1965) [SYNONYM SUBSPECIES 2298:852P6 nidx=null parent=6Q6YM]
Levisettius
 - Levisettius [ACCEPTED GENUS 2296:62X2J nidx=null]
 + Levisettius Thompson, 1979 [ACCEPTED GENUS 2298:84PY7 nidx=null]
Levisulculus
 - Levisulculus [ACCEPTED GENUS 2296:62X2M nidx=null]
 + Levisulculus Jaanusson, 1957 [ACCEPTED GENUS 2298:84PY8 nidx=null]
Levocytherura
 - Levocytherura [ACCEPTED GENUS 2296:638QL nidx=null]
 + Levocytherura Schornikov, 1969 [ACCEPTED GENUS 2298:84PY9 nidx=null]
Liatris scariosa var. novaeangliae
 - Liatris scariosa var. novaeangliae (Lunell) Gandhi, S. M. Young & P. Somers [ACCEPTED VARIETY 2296:5PSBH nidx=null]
 + Liatris scariosa var. novaeangliae (Lunell) Gandhi, S. M. Young & P. Somers [ACCEPTED VARIETY 2298:84ZKT nidx=null]
Lichas araneus
 - Lichas araneus (Lindström, 1885) [SYNONYM SPECIES 2296:6PW5V nidx=null parent=78HD6]
 + Lichas araneus (Lindström, 1885) [SYNONYM SPECIES 2298:84YVB nidx=null parent=78HD6]
Lignella
 - Lignella [ACCEPTED GENUS 2296:6394F nidx=null]
 + Lignella Gray, 1870 [ACCEPTED GENUS 2298:84NRX nidx=null]
Lignopsis
 - Lignopsis [ACCEPTED GENUS 2296:62WTN nidx=null]
 + Lignopsis Perez & Zamponi, 2000 [ACCEPTED GENUS 2298:84PYF nidx=null]
Limnemertes
 - Limnemertes [ACCEPTED GENUS 2296:6396G nidx=null]
 + Limnemertes Gibson & Wang, 2002 [ACCEPTED GENUS 2298:84PYH nidx=null]
Limnocythere
 - Limnocythere [ACCEPTED GENUS 2296:62YK2 nidx=null]
 + Limnocythere Brady, 1968 [ACCEPTED GENUS 2298:84NS2 nidx=null]
Limnocytheridae
 - Limnocytheridae [ACCEPTED FAMILY 2296:C2Z nidx=null]
 + Limnocytheridae Klie, 1938 [ACCEPTED FAMILY 2298:84K6M nidx=null]
Limnodriloides
 - Limnodriloides [ACCEPTED GENUS 2296:62YJS nidx=null]
 + Limnodriloides Pierantoni, 1903 [ACCEPTED GENUS 2298:84NS3 nidx=null]
Limnodrilus
 - Limnodrilus [ACCEPTED GENUS 2296:62YK4 nidx=null]
 + Limnodrilus Claparède, 1862 [ACCEPTED GENUS 2298:84NS4 nidx=null]
Limnodrilus claparedeanus
 - Limnodrilus claparedeanus Ratzel, 1868 [SYNONYM SPECIES 2296:72DF6 nidx=null parent=6QDF3]
 + Limnodrilus claparedeanus [subsequent misspelling of 'claparedianus'] [SYNONYM SPECIES 2298:84YVL nidx=null parent=6QDF3]
Limonium alleizettii
 - Limonium alleizettii (Pau) Balls [SYNONYM SPECIES 2296:6QDYJ nidx=null parent=72DYJ]
 + Limonium alleizettii (Pau) Balls [SYNONYM SPECIES 2298:84XSX nidx=null parent=72DYJ]
Linaria broussonnetii
 - Linaria broussonnetii Chav. [SYNONYM SPECIES 2296:72F78 nidx=null parent=7K9YD]
 + Linaria broussonnetii Chav. [SYNONYM SPECIES 2298:84XT8 nidx=null parent=7K9YD]
Linaria cymbalaria var. hederiifolia
 - Linaria cymbalaria var. hederiifolia (Salisb.) Chav. [SYNONYM VARIETY 2296:7M7JZ nidx=null parent=5GRLH]
 + Linaria cymbalaria var. hederiifolia (Salisb.) Chav. [SYNONYM VARIETY 2298:84ZL2 nidx=null parent=5GRLH]
Lindaspio
 - Lindaspio [ACCEPTED GENUS 2296:62YQG nidx=null]
 + Lindaspio Blake & Maciolek, 1992 [ACCEPTED GENUS 2298:84PYK nidx=null]
Lindrilus
 - Lindrilus [ACCEPTED GENUS 2296:62Z2C nidx=null]
 + Lindrilus Martínez, Di Domenico, Rouse & Worsaae, 2015 [ACCEPTED GENUS 2298:84PYQ nidx=null]
Lineopsella
 - Lineopsella [ACCEPTED GENUS 2296:62YBY nidx=null]
 + Lineopsella Friedrich, 1970 [ACCEPTED GENUS 2298:84PYR nidx=null]
Lineopselloides
 - Lineopselloides [ACCEPTED GENUS 2296:62YCC nidx=null]
 + Lineopselloides Gibson, 1990 [ACCEPTED GENUS 2298:84PYS nidx=null]
Lineopsis
 - Lineopsis [ACCEPTED GENUS 2296:62YCB nidx=null]
 + Lineopsis Staub, 1900; not Friedrich, 1958 [ACCEPTED GENUS 2298:84PYT nidx=null]
Lineopsis islandicus
 - Lineopsis islandicus [SYNONYM SPECIES 2296:72HM2 nidx=null parent=3V2LQ]
 + Lineopsis islandicus Friedrich, 1958 [SYNONYM SPECIES 2298:84YVP nidx=null parent=3V2LQ]
Lineus
 - Lineus [ACCEPTED GENUS 2296:62YBG nidx=null]
 + Lineus Sowerby, 1806 [ACCEPTED GENUS 2298:84NSB nidx=null]
Lineus piperatus
 - Lineus piperatus [SYNONYM SPECIES 2296:3V2R9 nidx=null parent=3QF8L]
 + Lineus piperatus (Stimpson, 1855) [SYNONYM SPECIES 2298:84YVQ nidx=null parent=3QF8L]
Linocheles
 - Linocheles [ACCEPTED GENUS 2296:62YDR nidx=null]
 + Linocheles Brady, 1907 [ACCEPTED GENUS 2298:84PYV nidx=null]
Linopherus
 - Linopherus [ACCEPTED GENUS 2296:62YGB nidx=null]
 + Linopherus Quatrefages, 1866 [ACCEPTED GENUS 2298:84NSC nidx=null]
Linuche
 - Linuche [ACCEPTED GENUS 2296:62YHC nidx=null]
 + Linuche Eschscholtz, 1829 [ACCEPTED GENUS 2298:84M67 nidx=null]
Linuche draco
 - Linuche draco (Haeckel, 1880) [SYNONYM SPECIES 2296:3V4KQ nidx=null parent=3V4KR]
 + Linuche draco (Haeckel, 1880) [ACCEPTED SPECIES 2298:84MBS nidx=null]
Linuchidae
 - Linuchidae [ACCEPTED FAMILY 2296:C43 nidx=null]
 + Linuchidae Haeckel, 1880 [ACCEPTED FAMILY 2298:84K6N nidx=null]
Liosina
 - Liosina [ACCEPTED GENUS 2296:5F6K nidx=null]
 + Liosina Thiele, 1899 [ACCEPTED GENUS 2298:84NSQ nidx=null]
Lipastrotethya
 - Lipastrotethya [ACCEPTED GENUS 2296:5F96 nidx=null]
 + Lipastrotethya de Laubenfels, 1954 [ACCEPTED GENUS 2298:84NSS nidx=null]
Lipkea
 - Lipkea [ACCEPTED GENUS 2296:5F9G nidx=null]
 + Lipkea Vogt, 1886 [ACCEPTED GENUS 2298:84NST nidx=null]
Lipkeidae
 - Lipkeidae [ACCEPTED FAMILY 2296:C4D nidx=null]
 + Lipkeidae Vogt, 1887 [ACCEPTED FAMILY 2298:84K6P nidx=null]
Lipobranchius
 - Lipobranchius [ACCEPTED GENUS 2296:5F9M nidx=null]
 + Lipobranchius Cunningham & Ramage, 1888 [ACCEPTED GENUS 2298:84PYZ nidx=null]
Lissodendoryx
 - Lissodendoryx [ACCEPTED SUBGENUS 2296:5FFP nidx=null]
 - Lissodendoryx [ACCEPTED GENUS 2296:5FFQ nidx=null]
 + Lissodendoryx Topsent, 1892 [ACCEPTED GENUS 2298:84NSY nidx=null]
Lissodendoryx (Ectyodoryx) minuta
 - Lissodendoryx (Ectyodoryx) minuta (Calcinai & Pansini, 2000) [ACCEPTED SPECIES 2296:3VF8G nidx=null]
 + Lissodendoryx (Ectyodoryx) minuta (Calcinai & Pansini, 2000) [SYNONYM SPECIES 2298:84YW4 nidx=null parent=85SZG]
Lissodendoryx (Lissodendoryx) simplex
 - Lissodendoryx (Lissodendoryx) simplex (Baer, 1906) [PROVISIONALLY_ACCEPTED SPECIES 2296:6QKSB nidx=null]
 + Lissodendoryx (Lissodendoryx) simplex (Baer, 1906) [AMBIGUOUS_SYNONYM SPECIES 2298:84YW5 nidx=null parent=84ZDL]
Lissodendoryx minuta
 - Lissodendoryx minuta (Calcinai & Pansini, 2000) [SYNONYM SPECIES 2296:3VFCQ nidx=null parent=3VF8G]
 + Lissodendoryx minuta (Calcinai & Pansini, 2000) [AMBIGUOUS_SYNONYM SPECIES 2298:84YW6 nidx=null parent=85SZG]
Lissomyema
 - Lissomyema [ACCEPTED GENUS 2296:5FGF nidx=null]
 + Lissomyema Fisher, 1946 [ACCEPTED GENUS 2298:84NSZ nidx=null]
Lissopholidisis
 - Lissopholidisis [ACCEPTED GENUS 2296:62XYP nidx=null]
 + Lissopholidisis Alderslade, 1998 [ACCEPTED GENUS 2298:84PZ9 nidx=null]
Lissotrochus
 - Lissotrochus [ACCEPTED GENUS 2296:5FHS nidx=null]
 + Lissotrochus Cairns, 2004 [ACCEPTED GENUS 2298:84PZB nidx=null]
Listriolobus
 - Listriolobus [ACCEPTED GENUS 2296:5FJ3 nidx=null]
 + Listriolobus Fischer, 1926 [not Spengel, 1912] [ACCEPTED GENUS 2298:84NT3 nidx=null]
Lithobactrum
 - Lithobactrum [ACCEPTED GENUS 2296:5FL9 nidx=null]
 + Lithobactrum Kirkpatrick, 1903 [ACCEPTED GENUS 2298:84NT4 nidx=null]
Lithocampe
 - Lithocampe [ACCEPTED GENUS 2296:5FLF nidx=null]
 + Lithocampe Ehrenberg, 1844 [ACCEPTED GENUS 2298:84PZC nidx=null]
Lithochela
 - Lithochela [ACCEPTED GENUS 2296:5FLL nidx=null]
 + Lithochela Burton, 1929 [ACCEPTED GENUS 2298:84NT5 nidx=null]
Lithonida
 - Lithonida [ACCEPTED ORDER 2296:3GM nidx=null]
 + Lithonida Vacelet, 1981 [ACCEPTED ORDER 2298:84JQ8 nidx=null]
Lithophragma glabrum var. ramulosa
 - Lithophragma glabrum var. ramulosa (Suksd.) Goodrich [SYNONYM VARIETY 2296:7LVCT nidx=null parent=3VKZ5]
 + Lithophragma glabrum var. ramulosa (Suksd.) Goodrich [SYNONYM VARIETY 2298:84ZKW nidx=null parent=3VKZ5]
Lithophyllon
 - Lithophyllon [ACCEPTED GENUS 2296:639Z4 nidx=null]
 + Lithophyllon Rehberg, 1892 [ACCEPTED GENUS 2298:84NT7 nidx=null]
Lithoplocamia
 - Lithoplocamia [ACCEPTED GENUS 2296:5FNL nidx=null]
 + Lithoplocamia Dendy, 1922 [ACCEPTED GENUS 2298:84NT8 nidx=null]
Lithotelestidae
 - Lithotelestidae [ACCEPTED FAMILY 2296:C54 nidx=null]
 + Lithotelestidae Bayer & Muzik, 1977 [ACCEPTED FAMILY 2298:84K8F nidx=null]
Litigorgia
 - Litigorgia [ACCEPTED GENUS 2296:5FQ5 nidx=null]
 + Litigorgia Verrill, 1868 [ACCEPTED GENUS 2298:84PZF nidx=null]
Litocorsa
 - Litocorsa [ACCEPTED GENUS 2296:5FQV nidx=null]
 + Litocorsa Pearson, 1970 [ACCEPTED GENUS 2298:84NTC nidx=null]
Litophyton
 - Litophyton [ACCEPTED GENUS 2296:5FRL nidx=null]
 + Litophyton Forskål, 1775 [ACCEPTED GENUS 2298:84PZG nidx=null]
Lituaria
 - Lituaria [ACCEPTED GENUS 2296:5FTB nidx=null]
 + Lituaria Valenciennes in Milne Edwards & Haime, 1850 [ACCEPTED GENUS 2298:84PZH nidx=null]
Lituaria habereri
 - Lituaria habereri Balss, 1910 [ACCEPTED SPECIES 2296:3VNTR nidx=null]
 + Lituaria habereri Balss, 1909 [SYNONYM SPECIES 2298:84YWG nidx=null parent=3VNTS]
Lituaria valenciennes
 - Lituaria valenciennes D'Hondt, 1984 [ACCEPTED SPECIES 2296:3VNTZ nidx=null]
 + Lituaria valenciennes D'Hondt, 1984 [SYNONYM SPECIES 2298:84YWH nidx=null parent=72KC8]
Lizardia
 - Lizardia [ACCEPTED GENUS 2296:5FV4 nidx=null]
 + Lizardia Pleijel & Rouse, 2005 [ACCEPTED GENUS 2298:84PZK nidx=null]
Loandalia americana
 - Loandalia americana Hartman, 1947 [SYNONYM SPECIES 2296:3VQT9 nidx=null parent=6LRGX]
 + Loandalia americana Hartman, 1947 [SYNONYM SPECIES 2298:84YWL nidx=null parent=84YCB]
Loandalia gracilis
 - Loandalia gracilis Hartmann-Schröder, 1959 [SYNONYM SPECIES 2296:72JZG nidx=null parent=6LRGX]
 + Loandalia gracilis Hartmann-Schröder, 1959 [SYNONYM SPECIES 2298:84YWM nidx=null parent=84YCC]
Lobactis
 - Lobactis [ACCEPTED GENUS 2296:5FW5 nidx=null]
 + Lobactis Verrill, 1864 [ACCEPTED GENUS 2298:84PZL nidx=null]
Lobonema
 - Lobonema [ACCEPTED GENUS 2296:5FZQ nidx=null]
 + Lobonema Mayer, 1910 [ACCEPTED GENUS 2298:84M68 nidx=null]
Lobonemoides
 - Lobonemoides [ACCEPTED GENUS 2296:5FZR nidx=null]
 + Lobonemoides Light, 1914 [ACCEPTED GENUS 2298:84M69 nidx=null]
Loboneris
 - Loboneris [ACCEPTED GENUS 2296:5FZS nidx=null]
 + Loboneris Carrera-Parra, 2006 [ACCEPTED GENUS 2298:84PZN nidx=null]
Lobopelma
 - Lobopelma [ACCEPTED GENUS 2296:5FZX nidx=null]
 + Lobopelma Hanley, 1987 [ACCEPTED GENUS 2298:84PZP nidx=null]
Lobophyllia
 - Lobophyllia [ACCEPTED GENUS 2296:5G22 nidx=null]
 + Lobophyllia de Blainville, 1830 [ACCEPTED GENUS 2298:84NTP nidx=null]
Lobophylliidae
 - Lobophylliidae [ACCEPTED FAMILY 2296:C5R nidx=null]
 + Lobophylliidae Dai & Horng, 2009 [ACCEPTED FAMILY 2298:84K8G nidx=null]
Lobophytum
 - Lobophytum [ACCEPTED GENUS 2296:5G25 nidx=null]
 + Lobophytum Marenzeller, 1886 [ACCEPTED GENUS 2298:84PZQ nidx=null]
Lobopsammia
 - Lobopsammia [ACCEPTED GENUS 2296:62XZG nidx=null]
 + Lobopsammia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84PZR nidx=null]
Lochmaeotrochus
 - Lochmaeotrochus [ACCEPTED GENUS 2296:62XZK nidx=null]
 + Lochmaeotrochus Alcock, 1902 [ACCEPTED GENUS 2298:84NTS nidx=null]
Loculicytheretta
 - Loculicytheretta [ACCEPTED GENUS 2296:5G52 nidx=null]
 + Loculicytheretta Ruggieri, 1954 [ACCEPTED GENUS 2298:84PZV nidx=null]
Lohowia
 - Lohowia [ACCEPTED GENUS 2296:5G7M nidx=null]
 + Lohowia Alderslade, 2003 [ACCEPTED GENUS 2298:84PZW nidx=null]
Loimia
 - Loimia [ACCEPTED GENUS 2296:5G7Q nidx=null]
 + Loimia Malmgren, 1866 [ACCEPTED GENUS 2298:84NTX nidx=null]
Lollipocladia
 - Lollipocladia [ACCEPTED GENUS 2296:5G8R nidx=null]
 + Lollipocladia Vacelet, 2008 [ACCEPTED GENUS 2298:84PZX nidx=null]
Lonchiphora
 - Lonchiphora [ACCEPTED GENUS 2296:62XP4 nidx=null]
 + Lonchiphora Ijima, 1927 [ACCEPTED GENUS 2298:84NTZ nidx=null]
Longibrachium
 - Longibrachium [ACCEPTED GENUS 2296:5GCL nidx=null]
 + Longibrachium Paxton, 1986 [ACCEPTED GENUS 2298:84PZY nidx=null]
Longicarpus
 - Longicarpus [ACCEPTED GENUS 2296:5GCN nidx=null]
 + Longicarpus Hutchings & Murray, 1984 [ACCEPTED GENUS 2298:84PZZ nidx=null]
Longiflagrum
 - Longiflagrum [ACCEPTED GENUS 2296:5GDF nidx=null]
 + Longiflagrum Gutu, 1995 [ACCEPTED GENUS 2298:84Q22 nidx=null]
Longipalpa saltatrix
 - Longipalpa saltatrix Worsaae, Sterrer & Iliffe, 2004 [ACCEPTED SPECIES 2296:3VYRM nidx=null]
 + Longipalpa saltatrix Worsaae, Sterrer & Iliffe, 2004 [SYNONYM SPECIES 2298:84YX3 nidx=null parent=85FF2]
Longipedis
 - Longipedis [ACCEPTED GENUS 2296:62Y2F nidx=null]
 + Longipedis Larsen & Shimomura, 2006 [ACCEPTED GENUS 2298:84Q24 nidx=null]
Longosomatidae
 - Longosomatidae [ACCEPTED FAMILY 2296:C6G nidx=null]
 + Longosomatidae Hartman, 1944 [ACCEPTED FAMILY 2298:84K6Q nidx=null]
Lopadorrhynchidae
 - Lopadorrhynchidae [ACCEPTED FAMILY 2296:C6L nidx=null]
 + Lopadorrhynchidae Claparède, 1870 [ACCEPTED FAMILY 2298:84K6R nidx=null]
Lopadorrhynchus
 - Lopadorrhynchus [ACCEPTED GENUS 2296:5GFY nidx=null]
 + Lopadorrhynchus Grube, 1855 [ACCEPTED GENUS 2298:84NV2 nidx=null]
Lophocalyx
 - Lophocalyx [ACCEPTED GENUS 2296:5GJ9 nidx=null]
 + Lophocalyx Schulze, 1887 [ACCEPTED GENUS 2298:84NV5 nidx=null]
Lophochaeta
 - Lophochaeta [ACCEPTED GENUS 2296:5GJQ nidx=null]
 + Lophochaeta Štolc, 1886 [ACCEPTED GENUS 2298:84Q25 nidx=null]
Lophophysema
 - Lophophysema [ACCEPTED GENUS 2296:5GMQ nidx=null]
 + Lophophysema Schulze, 1900 [ACCEPTED GENUS 2298:84NVC nidx=null]
Lophos
 - Lophos [ACCEPTED GENUS 2296:5GNX nidx=null]
 + Lophos Termier, Termier & Lapparent, 1973 [ACCEPTED GENUS 2298:84Q26 nidx=null]
Lophosmilia
 - Lophosmilia [ACCEPTED GENUS 2296:5GPB nidx=null]
 + Lophosmilia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84Q27 nidx=null]
Lophosyllis
 - Lophosyllis [ACCEPTED GENUS 2296:5GPV nidx=null]
 + Lophosyllis Sars, 1867 [ACCEPTED GENUS 2298:84Q28 nidx=null]
Lophuroecia
 - Lophuroecia [ACCEPTED GENUS 2296:5GRB nidx=null]
 + Lophuroecia Chavtur, in Chavtur & Bashmanov, 2018 [ACCEPTED GENUS 2298:84Q29 nidx=null]
Loranemertes
 - Loranemertes [ACCEPTED GENUS 2296:5GS6 nidx=null]
 + Loranemertes Chernyshev, 1992 [ACCEPTED GENUS 2298:84Q2B nidx=null]
Loricoecia
 - Loricoecia [ACCEPTED GENUS 2296:5GTS nidx=null]
 + Loricoecia Poulsen, 1973 [ACCEPTED GENUS 2298:84NVK nidx=null]
Lowrya
 - Lowrya [ACCEPTED GENUS 2296:5GWS nidx=null]
 + Lowrya Parker, 1998 [ACCEPTED GENUS 2298:84Q2D nidx=null]
Loxocauda
 - Loxocauda [ACCEPTED GENUS 2296:5GXS nidx=null]
 + Loxocauda Schornikov, 1969 [ACCEPTED GENUS 2298:84Q2F nidx=null]
Loxoconcha
 - Loxoconcha [ACCEPTED GENUS 2296:5GY3 nidx=null]
 + Loxoconcha Sars, 1866 [ACCEPTED GENUS 2298:84NVQ nidx=null]
Loxoconcha (Loxocorniculum) fischeri
 - Loxoconcha (Loxocorniculum) fischeri (Brady, 1869) [ACCEPTED SPECIES 2296:3W98X nidx=null]
 + Loxoconcha (Loxocorniculum) fischeri (Brady, 1869) [SYNONYM SPECIES 2298:84YXD nidx=null parent=3W9GF]
Loxoconcha (Loxocorniculum) lenticuloides
 - Loxoconcha (Loxocorniculum) lenticuloides (Swain & Gilby, 1974) [ACCEPTED SPECIES 2296:3W98Y nidx=null]
 + Loxoconcha (Loxocorniculum) lenticuloides (Swain & Gilby, 1974) [SYNONYM SPECIES 2298:84YXF nidx=null parent=84YXR]
Loxoconcha (Loxocorniculum) matagordensis
 - Loxoconcha (Loxocorniculum) matagordensis (Swain, 1955) [ACCEPTED SPECIES 2296:3W98Z nidx=null]
 + Loxoconcha (Loxocorniculum) matagordensis (Swain, 1955) [SYNONYM SPECIES 2298:84YXG nidx=null parent=85SHY]
Loxoconcha (Myrena) meridionalis
 - Loxoconcha (Myrena) meridionalis (Mueller, 1908) Ahmad, Neale & Siddiqui, 1991 [SYNONYM SPECIES 2296:3W995 nidx=null parent=3RFG5]
 + Loxoconcha (Myrena) meridionalis (Mueller, 1908) [SYNONYM SPECIES 2298:84YXH nidx=null parent=84ZD8]
Loxoconcha (Palmoconcha) laevimarginata
 - Loxoconcha (Palmoconcha) laevimarginata (Swain & Gilby, 1974) [ACCEPTED SPECIES 2296:3W996 nidx=null]
 + Loxoconcha (Palmoconcha) laevimarginata (Swain & Gilby, 1974) [SYNONYM SPECIES 2298:84YXJ nidx=null parent=4C67K]
Loxoconcha bairdi
 - Loxoconcha bairdi Mueller, 1912 [ACCEPTED SPECIES 2296:3W99M nidx=null]
 + Loxoconcha bairdi Mueller, 1912 [SYNONYM SPECIES 2298:84XDG nidx=null parent=72NTL]
Loxoconcha impressa
 - Loxoconcha impressa (Baird, 1850) [ACCEPTED SPECIES 2296:3W9BS nidx=null]
 + Loxoconcha impressa (Baird, 1850) [SYNONYM SPECIES 2298:84XDK nidx=null parent=72NTL]
Loxoconcha meridionalis
 - Loxoconcha meridionalis Mueller, 1908 [SYNONYM SPECIES 2296:3W9CT nidx=null parent=3RFG5]
 + Loxoconcha meridionalis Mueller, 1908 [SYNONYM SPECIES 2298:84YXN nidx=null parent=84ZD8]
Loxoconchella
 - Loxoconchella [ACCEPTED GENUS 2296:5GY4 nidx=null]
 + Loxoconchella Triebel, 1954 [ACCEPTED GENUS 2298:84NVR nidx=null]
Loxoconchella anomala malaysiana
 - Loxoconchella anomala malaysiana Keij, 1978 [ACCEPTED INFRASPECIFIC_NAME 2296:7HC5Y nidx=null]
 + Loxoconchella anomala malaysiana Keij, 1978 [SYNONYM SUBSPECIES 2298:852P7 nidx=null parent=3W9G5]
Loxoconchidae
 - Loxoconchidae [ACCEPTED FAMILY 2296:C7X nidx=null]
 + Loxoconchidae Sars, 1925 [ACCEPTED FAMILY 2298:84K6T nidx=null]
Loxoconchidea
 - Loxoconchidea [ACCEPTED GENUS 2296:5GY5 nidx=null]
 + Loxoconchidea Bonaduce, Ciampo & Masoli, 1976 [ACCEPTED GENUS 2298:84NVS nidx=null]
Loxocorniculum
 - Loxocorniculum [ACCEPTED GENUS 2296:5GY6 nidx=null]
 + Loxocorniculum Benson & Coleman, 1963 [ACCEPTED GENUS 2298:84Q2G nidx=null]
Loxocorniculum lenticuloides
 - Loxocorniculum lenticuloides Swain & Gilby, 1974 [SYNONYM SPECIES 2296:3W9GK nidx=null parent=3W98Y]
 + Loxocorniculum lenticuloides Swain & Gilby, 1974 [ACCEPTED SPECIES 2298:84YXR nidx=null]
Loxocythere
 - Loxocythere [ACCEPTED GENUS 2296:5GYC nidx=null]
 + Loxocythere Hornibrook, 1952 [ACCEPTED GENUS 2298:84Q2H nidx=null]
Loxogramme remotefrondigera
 - Loxogramme remotefrondigera (Hayata) C. Chr. [ACCEPTED SPECIES 2296:3W9NM nidx=null]
 + Loxogramme remotefrondigera (Hayata) C. Chr. [ACCEPTED SPECIES 2298:84MY2 nidx=null]
Loxoreticulatum
 - Loxoreticulatum [ACCEPTED GENUS 2296:5GZP nidx=null]
 + Loxoreticulatum Benson, 1964 [ACCEPTED GENUS 2298:84Q2J nidx=null]
Lubomirskia
 - Lubomirskia [ACCEPTED GENUS 2296:5H3L nidx=null]
 + Lubomirskia Dybowsky, 1880 [ACCEPTED GENUS 2298:84NVT nidx=null]
Lubomirskiidae
 - Lubomirskiidae [ACCEPTED FAMILY 2296:624HP nidx=null]
 + Lubomirskiidae Weltner, 1895 [ACCEPTED FAMILY 2298:84K6V nidx=null]
Lucasocythere
 - Lucasocythere [ACCEPTED GENUS 2296:5H4B nidx=null]
 + Lucasocythere Swain & Gilby, 1974 [ACCEPTED GENUS 2298:84Q2L nidx=null]
Lucernaria
 - Lucernaria [ACCEPTED GENUS 2296:5H4L nidx=null]
 + Lucernaria O. F. Müller, 1776 [ACCEPTED GENUS 2298:84NVV nidx=null]
Lucernariidae
 - Lucernariidae [ACCEPTED FAMILY 2296:C8C nidx=null]
 + Lucernariidae Johnston, 1847 [ACCEPTED FAMILY 2298:84K6W nidx=null]
Lucernariopsis vanhoeffeni
 - Lucernariopsis vanhoeffeni (Browne, 1910) [ACCEPTED SPECIES 2296:3WBBS nidx=null]
 + Lucernariopsis vanhoeffeni (Browne, 1910) [SYNONYM SPECIES 2298:84XDQ nidx=null parent=698W5]
Luffariella
 - Luffariella [ACCEPTED GENUS 2296:5H7T nidx=null]
 + Luffariella Thiele, 1899 [ACCEPTED GENUS 2298:84NVY nidx=null]
Lugia
 - Lugia [ACCEPTED GENUS 2296:5H83 nidx=null]
 + Lugia Quatrefages, 1866 [ACCEPTED GENUS 2298:84NVZ nidx=null]
Lugia aurantiaca
 - Lugia aurantiaca (Schmarda, 1861) [ACCEPTED SPECIES 2296:6QQD7 nidx=null]
 + Lugia aurantiaca (Schmarda, 1861) [SYNONYM SPECIES 2298:84YXS nidx=null parent=3BKNN]
Lumbricalus
 - Lumbricalus [ACCEPTED GENUS 2296:5H9H nidx=null]
 + Lumbricalus Frame, 1992 [ACCEPTED GENUS 2298:84Q2N nidx=null]
Lumbricidae
 - Lumbricidae [ACCEPTED FAMILY 2296:C8L nidx=null]
 + Lumbricidae Rafinesque, 1815 [ACCEPTED FAMILY 2298:84K6Y nidx=null]
Lumbricillus
 - Lumbricillus [ACCEPTED GENUS 2296:5H9J nidx=null]
 + Lumbricillus Ørsted, 1844 [ACCEPTED GENUS 2298:84NW2 nidx=null]
Lumbriclymene
 - Lumbriclymene [ACCEPTED GENUS 2296:5H9K nidx=null]
 + Lumbriclymene Sars, 1872 [ACCEPTED GENUS 2298:84NW3 nidx=null]
Lumbriclymenella
 - Lumbriclymenella [ACCEPTED GENUS 2296:5H9L nidx=null]
 + Lumbriclymenella Arwidsson, 1911 [ACCEPTED GENUS 2298:84Q2P nidx=null]
Lumbricomastus
 - Lumbricomastus [ACCEPTED GENUS 2296:5H9M nidx=null]
 + Lumbricomastus Thomassin, 1970 [ACCEPTED GENUS 2298:84Q2Q nidx=null]
Lumbriconereis (Notocirrus) tetraura
 - Lumbriconereis (Notocirrus) tetraura (Schmarda, 1861) [SYNONYM SPECIES 2296:6QQ5N nidx=null parent=72PX8]
 + Lumbriconereis (Notocirrus) tetraura (Schmarda, 1861) [SYNONYM SPECIES 2298:84YXV nidx=null parent=4VRR6]
Lumbriconereis albidentata
 - Lumbriconereis albidentata Ehlers, 1908 [SYNONYM SPECIES 2296:6R25K nidx=null parent=6R287]
 + Lumbriconereis albidentata Ehlers, 1908 [SYNONYM SPECIES 2298:84XDY nidx=null parent=8592R]
Lumbriconereis albidentata sadko
 - Lumbriconereis albidentata sadko Annenkova, 1952 [SYNONYM SUBSPECIES 2296:5JFKD nidx=null parent=7HBVY]
 + Lumbriconereis albidentata sadko Annenkova, 1952 [SYNONYM SUBSPECIES 2298:852R8 nidx=null parent=85FKZ]
Lumbriconereis flabellicola
 - Lumbriconereis flabellicola Fage, 1936 [SYNONYM SPECIES 2296:6QQ5F nidx=null parent=6R27P]
 + Lumbriconereis flabellicola Fage, 1936 [SYNONYM SPECIES 2298:84YXW nidx=null parent=3KGMK]
Lumbriconereis mucronata
 - Lumbriconereis mucronata Ehlers, 1908 [SYNONYM SPECIES 2296:72Q6X nidx=null parent=6R27B]
 + Lumbriconereis mucronata Ehlers, 1908 [SYNONYM SPECIES 2298:84YXX nidx=null parent=85DXQ]
Lumbriconereis punctata
 - Lumbriconereis punctata McIntosh, 1885 [SYNONYM SPECIES 2296:6R26W nidx=null parent=72Q8Y]
 + Lumbriconereis punctata McIntosh, 1885 [SYNONYM SPECIES 2298:84YXY nidx=null parent=85FD9]
Lumbriconereis tetraura
 - Lumbriconereis tetraura (Schmarda, 1861) [SYNONYM SPECIES 2296:6QQ6T nidx=null parent=72PX8]
 + Lumbriconereis tetraura (Schmarda, 1861) [SYNONYM SPECIES 2298:84YXZ nidx=null parent=4VRR6]
Lumbriculida
 - Lumbriculida [ACCEPTED ORDER 2296:3H9 nidx=null]
 + Lumbriculida Brinkhurst, 1971 [ACCEPTED ORDER 2298:84JQ9 nidx=null]
Lumbriculidae
 - Lumbriculidae [ACCEPTED FAMILY 2296:C8M nidx=null]
 + Lumbriculidae Vejdovský, 1884 [ACCEPTED FAMILY 2298:84K6Z nidx=null]
Lumbriculus
 - Lumbriculus [ACCEPTED GENUS 2296:5H9Q nidx=null]
 + Lumbriculus Grube, 1844 [ACCEPTED GENUS 2298:84NW4 nidx=null]
Lumbricus
 - Lumbricus [ACCEPTED GENUS 2296:5H9R nidx=null]
 + Lumbricus Linnaeus, 1758 [ACCEPTED GENUS 2298:84NW5 nidx=null]
Lumbrinereis branchiata
 - Lumbrinereis branchiata Treadwell, 1921 [SYNONYM SPECIES 2296:72Q6D nidx=null parent=6QQ7T]
 + Lumbrinereis branchiata Treadwell, 1921 [SYNONYM SPECIES 2298:84XF6 nidx=null parent=4VRQN]
Lumbrinereis tetraura
 - Lumbrinereis tetraura (Schmarda, 1861) [SYNONYM SPECIES 2296:6QQ7Z nidx=null parent=72PX8]
 + Lumbrinereis tetraura (Schmarda, 1861) [SYNONYM SPECIES 2298:84YY4 nidx=null parent=4VRR6]
Lumbrineridae
 - Lumbrineridae [ACCEPTED FAMILY 2296:C8N nidx=null]
 + Lumbrineridae Schmarda, 1861 [ACCEPTED FAMILY 2298:84K72 nidx=null]
Lumbrinerides
 - Lumbrinerides [ACCEPTED GENUS 2296:5H9S nidx=null]
 + Lumbrinerides Orensanz, 1973 [ACCEPTED GENUS 2298:84NW6 nidx=null]
Lumbrineriopsis
 - Lumbrineriopsis [ACCEPTED GENUS 2296:5H9T nidx=null]
 + Lumbrineriopsis Orensanz, 1973 [ACCEPTED GENUS 2298:84NW8 nidx=null]
Lumbrineriopsis magnidendata
 - Lumbrineriopsis magnidendata Winsnes, 1981 [ACCEPTED SPECIES 2296:72PW9 nidx=null]
 + Lumbrineriopsis magnidendata [lapsus for original Lumbrineris magnidentata] [SYNONYM SPECIES 2298:84YY5 nidx=null parent=852ZN]
Lumbrineris
 - Lumbrineris [ACCEPTED GENUS 2296:639S5 nidx=null]
 + Lumbrineris Blainville, 1828 [ACCEPTED GENUS 2298:84NW9 nidx=null]
Lumbrineris albidentata
 - Lumbrineris albidentata Ehlers, 1908 [ACCEPTED SPECIES 2296:6R287 nidx=null]
 + Lumbrineris albidentata Ehlers, 1908 [SYNONYM SPECIES 2298:84XF7 nidx=null parent=8592R]
Lumbrineris albidentata sadko
 - Lumbrineris albidentata sadko Annenkova, 1952 [ACCEPTED INFRASPECIFIC_NAME 2296:7HBVY nidx=null]
 + Lumbrineris albidentata sadko Annenkova, 1952 [SYNONYM SUBSPECIES 2298:84ZF7 nidx=null parent=85FKZ]
Lumbrineris branchiata
 - Lumbrineris branchiata Treadwell, 1921 [ACCEPTED SPECIES 2296:6QQ7T nidx=null]
 + Lumbrineris branchiata Treadwell, 1921 [SYNONYM SPECIES 2298:84XF8 nidx=null parent=4VRQN]
Lumbrineris candida
 - Lumbrineris candida Treadwell, 1921 [ACCEPTED SPECIES 2296:72Q7T nidx=null]
 + Lumbrineris candida Treadwell, 1921 [SYNONYM SPECIES 2298:84XF9 nidx=null parent=4VRQP]
Lumbrineris flabellicola
 - Lumbrineris flabellicola Fage, 1936 [ACCEPTED SPECIES 2296:6R27P nidx=null]
 + Lumbrineris flabellicola Fage, 1936 [SYNONYM SPECIES 2298:84YY6 nidx=null parent=3KGMK]
Lumbrineris heteropoda atlantica
 - Lumbrineris heteropoda atlantica Day, 1960 [SYNONYM SUBSPECIES 2296:5JFKQ nidx=null parent=7H97V]
 + Lumbrineris heteropoda atlantica Day, 1960 [SYNONYM SUBSPECIES 2298:852R9 nidx=null parent=84ZF8]
Lumbrineris impatiens
 - Lumbrineris impatiens Claparède, 1868 [SYNONYM SPECIES 2296:6QPVL nidx=null parent=4VRQW]
 + Lumbrineris impatiens Claparède, 1868 [SYNONYM SPECIES 2298:84XFC nidx=null parent=85TL6]
Lumbrineris magnidentata
 - Lumbrineris magnidentata Winsnes, 1981 [ACCEPTED SPECIES 2296:6R27C nidx=null]
 + Lumbrineris magnidentata Winsnes, 1981 [SYNONYM SPECIES 2298:84YY8 nidx=null parent=852ZN]
Lumbrineris mucronata
 - Lumbrineris mucronata (Ehlers, 1908) [ACCEPTED SPECIES 2296:6R27B nidx=null]
 + Lumbrineris mucronata (Ehlers, 1908) [SYNONYM SPECIES 2298:84YY9 nidx=null parent=85DXQ]
Lumbrineris nipponica
 - Lumbrineris nipponica Imajima & Higuchi, 1975 [ACCEPTED SPECIES 2296:7327B nidx=null]
 + Lumbrineris nipponica Imajima & Higuchi, 1975 [SYNONYM SPECIES 2298:84YYB nidx=null parent=85FD8]
Lumbrineris pallasii
 - Lumbrineris pallasii Blainville, 1828 [ACCEPTED SPECIES 2296:72Q8Z nidx=null]
 + Lumbrineris pallasii Blainville, 1828 [SYNONYM SPECIES 2298:84YYC nidx=null parent=6R283]
Lumbrineris punctata
 - Lumbrineris punctata McIntosh, 1885 [ACCEPTED SPECIES 2296:72Q8Y nidx=null]
 + Lumbrineris punctata (McIntosh, 1885) [SYNONYM SPECIES 2298:84YYD nidx=null parent=85FD9]
Lumbrineris robusta
 - Lumbrineris robusta Ehlers, 1887 [ACCEPTED SPECIES 2296:6QPWV nidx=null]
 + Lumbrineris robusta Ehlers, 1887 [SYNONYM SPECIES 2298:84YYF nidx=null parent=4VRR2]
Lumbrineris splendida
 - Lumbrineris splendida Blainville, 1828 [ACCEPTED SPECIES 2296:6QQ8W nidx=null]
 + Lumbrineris splendida Blainville, 1828 [SYNONYM SPECIES 2298:84YYG nidx=null parent=85DXR]
Lumbrineris tetraura
 - Lumbrineris tetraura (Schmarda, 1861) [ACCEPTED SPECIES 2296:72PX8 nidx=null]
 + Lumbrineris tetraura (Schmarda, 1861) [SYNONYM SPECIES 2298:84XFD nidx=null parent=4VRR6]
Lumbrineris verrilli
 - Lumbrineris verrilli Perkins, 1979 [ACCEPTED SPECIES 2296:6QPX5 nidx=null]
 + Lumbrineris verrilli Perkins, 1979 [SYNONYM SPECIES 2298:84XFF nidx=null parent=85FDB]
Lutetiospongilla
 - Lutetiospongilla [ACCEPTED GENUS 2296:639SG nidx=null]
 + Lutetiospongilla Richter & Wuttke, 1999 [ACCEPTED GENUS 2298:84Q2S nidx=null]
Lutodrilidae
 - Lutodrilidae [ACCEPTED FAMILY 2296:C8Y nidx=null]
 + Lutodrilidae McMahan, 1976 [ACCEPTED FAMILY 2298:84K75 nidx=null]
Lutodrilus
 - Lutodrilus [ACCEPTED GENUS 2296:62Y53 nidx=null]
 + Lutodrilus McMahan, 1976 [ACCEPTED GENUS 2298:84NWK nidx=null]
Luvula
 - Luvula [ACCEPTED GENUS 2296:5HFM nidx=null]
 + Luvula Coryell & Fields, 1937 [ACCEPTED GENUS 2298:84NWN nidx=null]
Lycastonereis
 - Lycastonereis [ACCEPTED GENUS 2296:5HHK nidx=null]
 + Lycastonereis Nageswara Rao, 1981 [ACCEPTED GENUS 2298:84Q2W nidx=null]
Lychniscosida
 - Lychniscosida [ACCEPTED ORDER 2296:3HB nidx=null]
 + Lychniscosida Schrammen, 1903 [ACCEPTED ORDER 2298:84JQB nidx=null]
Lychnocystis
 - Lychnocystis [ACCEPTED GENUS 2296:5HJ6 nidx=null]
 + Lychnocystis Reiswig, 2002 [ACCEPTED GENUS 2298:84NWR nidx=null]
Lychnorhiza
 - Lychnorhiza [ACCEPTED GENUS 2296:5HJC nidx=null]
 + Lychnorhiza Haeckel, 1880 [ACCEPTED GENUS 2298:84M6B nidx=null]
Lychnorhizidae
 - Lychnorhizidae [ACCEPTED FAMILY 2296:C9C nidx=null]
 + Lychnorhizidae Haeckel, 1880 [ACCEPTED FAMILY 2298:84K77 nidx=null]
Lycodrilides
 - Lycodrilides [ACCEPTED GENUS 2296:5HKG nidx=null]
 + Lycodrilides Hrabĕ, 1982 [ACCEPTED GENUS 2298:84Q2Z nidx=null]
Lycopodina
 - Lycopodina [ACCEPTED GENUS 2296:5HLD nidx=null]
 + Lycopodina Lundbeck, 1905 [ACCEPTED GENUS 2298:84Q32 nidx=null]
Lygdamis
 - Lygdamis [ACCEPTED GENUS 2296:5HNM nidx=null]
 + Lygdamis Kinberg, 1866 [ACCEPTED GENUS 2298:84NWW nidx=null]
Lymphachaeta
 - Lymphachaeta [ACCEPTED GENUS 2296:5HQG nidx=null]
 + Lymphachaeta Snimschikova, 1982 [ACCEPTED GENUS 2298:84Q33 nidx=null]
Lyonothamnus floribundus subsp. asplenifolius
 - Lyonothamnus floribundus subsp. asplenifolius (Greene) A. E. Murray [ACCEPTED SUBSPECIES 2296:5JGLG nidx=null]
 + Lyonothamnus floribundus subsp. asplenifolius (Greene) A. E. Murray [ACCEPTED SUBSPECIES 2298:84ZF9 nidx=null]
Lysarete
 - Lysarete [ACCEPTED GENUS 2296:62Y4B nidx=null]
 + Lysarete Kinberg, 1865 [ACCEPTED GENUS 2298:84NX9 nidx=null]
Lysilla
 - Lysilla [ACCEPTED GENUS 2296:62Y5J nidx=null]
 + Lysilla Malmgren, 1866 [ACCEPTED GENUS 2298:84NXF nidx=null]
Lysippe
 - Lysippe [ACCEPTED GENUS 2296:5HVF nidx=null]
 + Lysippe Malmgren, 1866 [ACCEPTED GENUS 2298:84NXG nidx=null]
Lyssacinosida
 - Lyssacinosida [ACCEPTED ORDER 2296:623CN nidx=null]
 + Lyssacinosida Zittel, 1877 [ACCEPTED ORDER 2298:84JQD nidx=null]
Lytreia
 - Lytreia [ACCEPTED GENUS 2296:5HX3 nidx=null]
 + Lytreia Bayer, 1981 [ACCEPTED GENUS 2298:84NXP nidx=null]
Maasella
 - Maasella [ACCEPTED GENUS 2296:5HXL nidx=null]
 + Maasella Poche, 1914 [ACCEPTED GENUS 2298:84Q36 nidx=null]
Macandrewia
 - Macandrewia [ACCEPTED GENUS 2296:62Y5S nidx=null]
 + Macandrewia Gray, 1859 [ACCEPTED GENUS 2298:84NXS nidx=null]
Macandrewia cavernicola
 - Macandrewia cavernicola Vacelet & Vasseur, 1965 [SYNONYM SPECIES 2296:3WX44 nidx=null parent=PSBG]
 + Macandrewia cavernicola Vacelet & Vasseur, 1965 [SYNONYM SPECIES 2298:84YYY nidx=null parent=85SBY]
Macandrewiidae
 - Macandrewiidae [ACCEPTED FAMILY 2296:624JM nidx=null]
 + Macandrewiidae Schrammen, 1924 [ACCEPTED FAMILY 2298:84K78 nidx=null]
Maccabeus
 - Maccabeus [ACCEPTED GENUS 2296:5HZG nidx=null]
 + Maccabeus Por, 1973 [ACCEPTED GENUS 2298:84NXT nidx=null]
Macellicephala
 - Macellicephala [ACCEPTED SUBGENUS 2296:5J23 nidx=null]
 - Macellicephala [ACCEPTED GENUS 2296:5J24 nidx=null]
 + Macellicephala McIntosh, 1885 [ACCEPTED GENUS 2298:84NXV nidx=null]
Macellicephala affinis
 - Macellicephala affinis Fauvel, 1914 [ACCEPTED SPECIES 2296:3WXT4 nidx=null]
 + Macellicephala affinis Fauvel, 1914 [SYNONYM SPECIES 2298:84YYZ nidx=null parent=KWZK]
Macellicephala paucidentata
 - Macellicephala paucidentata Eliason, 1962 [ACCEPTED SPECIES 2296:3WXTZ nidx=null]
 + Macellicephala paucidentata Eliason, 1962 [SYNONYM SPECIES 2298:84YZ2 nidx=null parent=36GQ3]
Macellicephaloides
 - Macellicephaloides [ACCEPTED GENUS 2296:5J25 nidx=null]
 + Macellicephaloides Uschakov, 1955 [ACCEPTED GENUS 2298:84NXW nidx=null]
Macelloides
 - Macelloides [ACCEPTED GENUS 2296:5J28 nidx=null]
 + Macelloides Uschakov, 1957 [ACCEPTED GENUS 2298:84NXX nidx=null]
Macilenta
 - Macilenta [ACCEPTED GENUS 2296:5J55 nidx=null]
 + Macilenta Gellert & Błażewicz, 2018 [ACCEPTED GENUS 2298:84Q39 nidx=null]
Mackencythere
 - Mackencythere [ACCEPTED GENUS 2296:5J58 nidx=null]
 + Mackencythere Malz & Ikeya, 1982 [ACCEPTED GENUS 2298:84Q3B nidx=null]
Macquaridrilus
 - Macquaridrilus [ACCEPTED GENUS 2296:5J6N nidx=null]
 + Macquaridrilus Jamieson, 1968 [ACCEPTED GENUS 2298:84NY5 nidx=null]
Macrinella
 - Macrinella [ACCEPTED GENUS 2296:62Y4X nidx=null]
 + Macrinella Lang, 1971 [ACCEPTED GENUS 2298:84NY7 nidx=null]
Macroasteropteron
 - Macroasteropteron [ACCEPTED GENUS 2296:5J8K nidx=null]
 + Macroasteropteron Kornicker, 1994 [ACCEPTED GENUS 2298:84Q3F nidx=null]
Macrochaeta
 - Macrochaeta [ACCEPTED GENUS 2296:62Y4W nidx=null]
 + Macrochaeta Grube, 1850 [ACCEPTED GENUS 2298:84NY9 nidx=null]
Macrochaeta polyonyx
 - Macrochaeta polyonyx Eliason, 1962 [ACCEPTED SPECIES 2296:6R4BB nidx=null]
 + Macrochaeta polyonyx Eliason, 1962 [SYNONYM SPECIES 2298:84XFP nidx=null parent=85DMS]
Macrochoecilla
 - Macrochoecilla [ACCEPTED GENUS 2296:639TF nidx=null]
 + Macrochoecilla Chavtur, in Chavtur & Bashmanov, 2018 [ACCEPTED GENUS 2298:84Q3G nidx=null]
Macroclymene
 - Macroclymene [ACCEPTED GENUS 2296:5JB3 nidx=null]
 + Macroclymene Verrill, 1900 [ACCEPTED GENUS 2298:84NYC nidx=null]
Macroclymenella
 - Macroclymenella [ACCEPTED GENUS 2296:5JB4 nidx=null]
 + Macroclymenella Augener, 1926 [ACCEPTED GENUS 2298:84Q3H nidx=null]
Macroconchoecia
 - Macroconchoecia [ACCEPTED GENUS 2296:5JBF nidx=null]
 + Macroconchoecia Granata & Caporaccio, 1949 [ACCEPTED GENUS 2298:84NYF nidx=null]
Macrocypria
 - Macrocypria [ACCEPTED GENUS 2296:5JC7 nidx=null]
 + Macrocypria Sars, 1923 [ACCEPTED GENUS 2298:84Q3J nidx=null]
Macrocyprididae
 - Macrocyprididae [ACCEPTED FAMILY 2296:CB2 nidx=null]
 + Macrocyprididae Müller, 1912 [ACCEPTED FAMILY 2298:84K7B nidx=null]
Macrocypridina
 - Macrocypridina [ACCEPTED GENUS 2296:5JC8 nidx=null]
 + Macrocypridina Skogsberg, 1920 [ACCEPTED GENUS 2298:84NYJ nidx=null]
Macrocypridoidea
 - Macrocypridoidea [ACCEPTED SUPERFAMILY 2296:5BV nidx=null]
 + Macrocypridoidea Müller, 1912 [ACCEPTED SUPERFAMILY 2298:84JSF nidx=null]
Macrocyprina
 - Macrocyprina [ACCEPTED GENUS 2296:5JC9 nidx=null]
 + Macrocyprina Triebel, 1960 [ACCEPTED GENUS 2298:84NYK nidx=null]
Macrocypris
 - Macrocypris [ACCEPTED GENUS 2296:62XV2 nidx=null]
 + Macrocypris Brady, 1867 [ACCEPTED GENUS 2298:84NYL nidx=null]
Macrocyprissa
 - Macrocyprissa [ACCEPTED GENUS 2296:5JCB nidx=null]
 + Macrocyprissa Triebel, 1960 [ACCEPTED GENUS 2298:84Q3K nidx=null]
Macrocythere
 - Macrocythere [ACCEPTED GENUS 2296:5JCF nidx=null]
 + Macrocythere Sars, 1926 [ACCEPTED GENUS 2298:84Q3L nidx=null]
Macrocythere simplex
 - Macrocythere simplex (Norman, 1865) [ACCEPTED SPECIES 2296:3X4LS nidx=null]
 + Macrocythere simplex (Norman, 1865) [SYNONYM SPECIES 2298:84YZF nidx=null parent=84X5M]
Macrolabrum
 - Macrolabrum [ACCEPTED GENUS 2296:5JF4 nidx=null]
 + Macrolabrum Bacescu, 1976 [ACCEPTED GENUS 2298:84NYP nidx=null]
Macromckenziea
 - Macromckenziea [ACCEPTED GENUS 2296:62Y6F nidx=null]
 + Macromckenziea Maddocks, 1990 [ACCEPTED GENUS 2298:84Q3P nidx=null]
Macroprimnoa
 - Macroprimnoa [ACCEPTED GENUS 2296:5JLL nidx=null]
 + Macroprimnoa Cairns, 2018 [ACCEPTED GENUS 2298:84Q3Q nidx=null]
Macropyxis
 - Macropyxis [ACCEPTED GENUS 2296:5JMJ nidx=null]
 + Macropyxis Maddocks, 1990 [ACCEPTED GENUS 2298:84NYT nidx=null]
Macrosarisa
 - Macrosarisa [ACCEPTED GENUS 2296:62XW2 nidx=null]
 + Macrosarisa Maddocks, 1990 [ACCEPTED GENUS 2298:84NYW nidx=null]
Macroscapha
 - Macroscapha [ACCEPTED GENUS 2296:5JNC nidx=null]
 + Macroscapha Maddocks, 1990 [ACCEPTED GENUS 2298:84NYX nidx=null]
Maculaura
 - Maculaura [ACCEPTED GENUS 2296:62Y83 nidx=null]
 + Maculaura Hiebert & Maslakova, 2015 [ACCEPTED GENUS 2298:84Q3R nidx=null]
Maddocksella
 - Maddocksella [ACCEPTED GENUS 2296:5JX3 nidx=null]
 + Maddocksella Mckenzie, 1982 [ACCEPTED GENUS 2298:84Q3T nidx=null]
Madracis
 - Madracis [ACCEPTED GENUS 2296:5JYX nidx=null]
 + Madracis Milne Edwards & Haime, 1849 [ACCEPTED GENUS 2298:84NZB nidx=null]
Madrepora
 - Madrepora [ACCEPTED GENUS 2296:5JZ7 nidx=null]
 + Madrepora Linnaeus, 1758 [ACCEPTED GENUS 2298:84NZC nidx=null]
Maeandropolydora
 - Maeandropolydora [ACCEPTED GENUS 2296:5JZQ nidx=null]
 + Maeandropolydora Voigt, 1965 [ACCEPTED GENUS 2298:84Q3V nidx=null]
Magelona
 - Magelona [ACCEPTED GENUS 2296:5K48 nidx=null]
 + Magelona F. Müller, 1858 [ACCEPTED GENUS 2298:84NZJ nidx=null]
Magelonidae
 - Magelonidae [ACCEPTED FAMILY 2296:CC4 nidx=null]
 + Magelonidae Cunningham & Ramage, 1888 [ACCEPTED FAMILY 2298:84K7C nidx=null]
Mahesia
 - Mahesia [ACCEPTED GENUS 2296:5K84 nidx=null]
 + Mahesia Westheide, 2000 [ACCEPTED GENUS 2298:84Q42 nidx=null]
Majungaella
 - Majungaella [ACCEPTED GENUS 2296:62Y94 nidx=null]
 + Majungaella Grekoff, 1963 [ACCEPTED GENUS 2298:84Q43 nidx=null]
Majungaella scheibnerovae
 - Majungaella scheibnerovae (Kroemmelbein, 1975) Whatley, Ballent & Maybury, 1 [ACCEPTED SPECIES 2296:3XJW3 nidx=null]
 + Majungaella scheibnerovae (Kroemmelbein, 1975) Whatley, Ballent & Maybury, 1995 [ACCEPTED SPECIES 2298:84Z2J nidx=null]
Majungaella ticka
 - Majungaella ticka (Kroemmelbein, 1975) Whatley, Ballent & Maybury, 1 [ACCEPTED SPECIES 2296:3XJW4 nidx=null]
 + Majungaella ticka (Kroemmelbein, 1975) Whatley, Ballent & Maybury, 1995 [ACCEPTED SPECIES 2298:84Z2K nidx=null]
Makassaritanais
 - Makassaritanais [ACCEPTED GENUS 2296:5KB3 nidx=null]
 + Makassaritanais Gutu, 2012 [ACCEPTED GENUS 2298:84Q44 nidx=null]
Makedia
 - Makedia [ACCEPTED GENUS 2296:5KB7 nidx=null]
 + Makedia Manconi, Cubeddu & Pronzato, 1999 [ACCEPTED GENUS 2298:84NZM nidx=null]
Makraleptochelia
 - Makraleptochelia [ACCEPTED GENUS 2296:5KBP nidx=null]
 + Makraleptochelia Araujo-Silva & Larsen, 2012 [ACCEPTED GENUS 2298:84Q45 nidx=null]
Malacacanthus
 - Malacacanthus [ACCEPTED GENUS 2296:5KBZ nidx=null]
 + Malacacanthus Thomson, 1910 [ACCEPTED GENUS 2298:84Q47 nidx=null]
Malacobdella
 - Malacobdella [ACCEPTED GENUS 2296:5KCD nidx=null]
 + Malacobdella Blainville, 1827 [ACCEPTED GENUS 2298:84NZP nidx=null]
Malacobdellidae
 - Malacobdellidae [ACCEPTED FAMILY 2296:CCM nidx=null]
 + Malacobdellidae Blanchard, 1847 [ACCEPTED FAMILY 2298:84K7D nidx=null]
Malacobelemnon
 - Malacobelemnon [ACCEPTED GENUS 2296:62XX8 nidx=null]
 + Malacobelemnon Tixier-Durivault, 1965 [ACCEPTED GENUS 2298:84Q49 nidx=null]
Malacoceros
 - Malacoceros [ACCEPTED GENUS 2296:5KCK nidx=null]
 + Malacoceros Quatrefages, 1843 [ACCEPTED GENUS 2298:84NZQ nidx=null]
Malacosaccus
 - Malacosaccus [ACCEPTED GENUS 2296:5KDL nidx=null]
 + Malacosaccus Schulze, 1886 [ACCEPTED GENUS 2298:84NZR nidx=null]
Malawispongia
 - Malawispongia [ACCEPTED GENUS 2296:5KGG nidx=null]
 + Malawispongia Brien, 1972 [ACCEPTED GENUS 2298:84NZS nidx=null]
Malawispongiidae
 - Malawispongiidae [ACCEPTED FAMILY 2296:CCX nidx=null]
 + Malawispongiidae Manconi & Pronzato, 2002 [ACCEPTED FAMILY 2298:84K7F nidx=null]
Malaycythereis
 - Malaycythereis [ACCEPTED GENUS 2296:5KGY nidx=null]
 + Malaycythereis Zhao (Yi-Chun) & Whatley, 1989 [ACCEPTED GENUS 2298:84Q4F nidx=null]
Maldane
 - Maldane [ACCEPTED GENUS 2296:5KHX nidx=null]
 + Maldane Grube, 1860 [ACCEPTED GENUS 2298:84NZT nidx=null]
Maldane chilensis
 - Maldane chilensis Hartmann-Schröder, 1965 [ACCEPTED SPECIES 2296:3XMLG nidx=null]
 + Maldane chilensis Hartmann-Schröder, 1965 [SYNONYM SPECIES 2298:84Z38 nidx=null parent=85DP9]
Maldane collariceps
 - Maldane collariceps Augener, 1906 [SYNONYM SPECIES 2296:3XMLJ nidx=null parent=J6KT]
 + Maldane collariceps Augener, 1906 [SYNONYM SPECIES 2298:84Z39 nidx=null parent=85DYX]
Maldane disparidentata
 - Maldane disparidentata Moore, 1904 [SYNONYM SPECIES 2296:3XMLQ nidx=null parent=687GP]
 + Maldane disparidentata Moore, 1904 [SYNONYM SPECIES 2298:84Z3B nidx=null parent=85DYY]
Maldane similis
 - Maldane similis Moore, 1906 [SYNONYM SPECIES 2296:3XMM5 nidx=null parent=J6LC]
 + Maldane similis Moore, 1906 [SYNONYM SPECIES 2298:84Z3C nidx=null parent=85DQ3]
Maldanella
 - Maldanella [ACCEPTED GENUS 2296:5KHY nidx=null]
 + Maldanella McIntosh, 1885 [ACCEPTED GENUS 2298:84NZV nidx=null]
Maldanella fimbriata
 - Maldanella fimbriata Treadwell, 1934 [SYNONYM SPECIES 2296:3XMMD nidx=null parent=J6KY]
 + Maldanella fimbriata Treadwell, 1934 [SYNONYM SPECIES 2298:84Z3D nidx=null parent=85DYZ]
Maldanidae
 - Maldanidae [ACCEPTED FAMILY 2296:CCZ nidx=null]
 + Maldanidae Malmgren, 1867 [ACCEPTED FAMILY 2298:84K7G nidx=null]
Maldeotaia
 - Maldeotaia [ACCEPTED GENUS 2296:5KHZ nidx=null]
 + Maldeotaia Singh & Dar Shukla, 1981 [ACCEPTED GENUS 2298:84Q4G nidx=null]
Malmgrenia
 - Malmgrenia [ACCEPTED GENUS 2296:5KNM nidx=null]
 + Malmgrenia McIntosh, 1874 [ACCEPTED GENUS 2298:84P23 nidx=null]
Malmgreniella
 - Malmgreniella [ACCEPTED GENUS 2296:5KNN nidx=null]
 + Malmgreniella Hartman, 1967 [ACCEPTED GENUS 2298:84P24 nidx=null]
Malzella
 - Malzella [ACCEPTED GENUS 2296:5KQR nidx=null]
 + Malzella Hazel, 1983 [ACCEPTED GENUS 2298:84P28 nidx=null]
Mamilloecia
 - Mamilloecia [ACCEPTED GENUS 2296:5KRM nidx=null]
 + Mamilloecia Graves, 2012 [ACCEPTED GENUS 2298:84Q4L nidx=null]
Mammetuba
 - Mammetuba [ACCEPTED GENUS 2296:5KRY nidx=null]
 + Mammetuba Ghare & Vartak, 1984 [ACCEPTED GENUS 2298:84Q4M nidx=null]
Mammiphitime
 - Mammiphitime [ACCEPTED GENUS 2296:5KS6 nidx=null]
 + Mammiphitime Orensanz, 1990 [ACCEPTED GENUS 2298:84Q4N nidx=null]
Manania
 - Manania [ACCEPTED GENUS 2296:5KSH nidx=null]
 + Manania James-Clark, 1863 [ACCEPTED GENUS 2298:84P2D nidx=null]
Manawa
 - Manawa [ACCEPTED GENUS 2296:5KST nidx=null]
 + Manawa Hornibrook, 1949 [ACCEPTED GENUS 2298:84Q4P nidx=null]
Manayunkia
 - Manayunkia [ACCEPTED GENUS 2296:62ZML nidx=null]
 + Manayunkia Leidy, 1859 [ACCEPTED GENUS 2298:84P2F nidx=null]
Mandrocles
 - Mandrocles [ACCEPTED GENUS 2296:62ZLS nidx=null]
 + Mandrocles Kinberg, 1866 [ACCEPTED GENUS 2298:84Q4Q nidx=null]
Mangalocypria
 - Mangalocypria [ACCEPTED GENUS 2296:62ZNH nidx=null]
 + Mangalocypria Wouters, 1998 [ACCEPTED GENUS 2298:84Q4R nidx=null]
Manicina
 - Manicina [ACCEPTED GENUS 2296:5KVZ nidx=null]
 + Manicina Ehrenberg, 1834 [ACCEPTED GENUS 2298:84P2H nidx=null]
Manihinea
 - Manihinea [ACCEPTED GENUS 2296:5KW7 nidx=null]
 + Manihinea Pulitzer-Finali, 1993 [ACCEPTED GENUS 2298:84P2K nidx=null]
Marenzelleria
 - Marenzelleria [ACCEPTED GENUS 2296:5L8R nidx=null]
 + Marenzelleria Mesnil, 1896 [ACCEPTED GENUS 2298:84P2S nidx=null]
Mariansabellaria
 - Mariansabellaria [ACCEPTED GENUS 2296:5LC9 nidx=null]
 + Mariansabellaria Kirtley, 1994 [ACCEPTED GENUS 2298:84Q4Z nidx=null]
Marifugia
 - Marifugia [ACCEPTED GENUS 2296:5LCZ nidx=null]
 + Marifugia Absolon & Hrabe, 1930 [ACCEPTED GENUS 2298:84Q53 nidx=null]
Marionidrilus
 - Marionidrilus [ACCEPTED GENUS 2296:62ZQZ nidx=null]
 + Marionidrilus Erséus, 1992 [ACCEPTED GENUS 2298:84P35 nidx=null]
Marionina
 - Marionina [ACCEPTED GENUS 2296:62ZQY nidx=null]
 + Marionina Michaelsen in Pfeffer, 1890 [ACCEPTED GENUS 2298:84P36 nidx=null]
Marivagia
 - Marivagia [ACCEPTED GENUS 2296:62ZSL nidx=null]
 + Marivagia Galil & Gershwin, 2010 [ACCEPTED GENUS 2298:84M6C nidx=null]
Marleneites
 - Marleneites [ACCEPTED GENUS 2296:62ZSN nidx=null]
 + Marleneites Eller, 1941 [ACCEPTED GENUS 2298:84Q55 nidx=null]
Marlenites
 - Marlenites [ACCEPTED GENUS 2296:5LGF nidx=null]
 + Marlenites Taugourdeau, 1971 [ACCEPTED GENUS 2298:84Q56 nidx=null]
Marphysa
 - Marphysa [ACCEPTED GENUS 2296:5LJJ nidx=null]
 + Marphysa Quatrefages, 1865 [ACCEPTED GENUS 2298:84P39 nidx=null]
Marphysa bulla
 - Marphysa bulla Liu, Hutchings & Kupriyanova, 2018 [ACCEPTED SPECIES 2296:3Y895 nidx=null]
 + Marphysa bulla Liu, Hutchings & Kupriyanova, 2018 [SYNONYM SPECIES 2298:84Z4L nidx=null parent=3Y8BT]
Marphysa dartevellei
 - Marphysa dartevellei Monro, 1936 [ACCEPTED SPECIES 2296:3Y89D nidx=null]
 + Marphysa dartevellei Monro, 1936 [SYNONYM SPECIES 2298:84Z4M nidx=null parent=85FK4]
Marphysa mcintoshi
 - Marphysa mcintoshi Crossland, 1903 [SYNONYM SPECIES 2296:735QK nidx=null parent=6QTQK]
 + Marphysa mcintoshi [misspelling of macintoshi] [SYNONYM SPECIES 2298:84Z4N nidx=null parent=6QTQK]
Marphysa mixta
 - Marphysa mixta Fauchald, 1970 [ACCEPTED SPECIES 2296:6QTQJ nidx=null]
 + Marphysa mixta Fauchald, 1970 [SYNONYM SPECIES 2298:84Z4P nidx=null parent=85FK5]
Marphysa sanguinea americana
 - Marphysa sanguinea americana Monro, 1933 [SYNONYM SUBSPECIES 2296:5JJSJ nidx=null parent=3Y8B5]
 + Marphysa sanguinea americana Monro, 1933 [SYNONYM SUBSPECIES 2298:852RB nidx=null parent=85DXZ]
Martenscypridopsis
 - Martenscypridopsis [ACCEPTED GENUS 2296:5LM3 nidx=null]
 + Martenscypridopsis Karanovic, 2000 [ACCEPTED GENUS 2298:84Q57 nidx=null]
Martinidrilus
 - Martinidrilus [ACCEPTED GENUS 2296:5LND nidx=null]
 + Martinidrilus Fend & Lenat, 2007 [ACCEPTED GENUS 2298:84P3F nidx=null]
Marwickcythereis
 - Marwickcythereis [ACCEPTED GENUS 2296:5LPK nidx=null]
 + Marwickcythereis Whatley & Millson, 1992 [ACCEPTED GENUS 2298:84Q58 nidx=null]
Marycarmenia
 - Marycarmenia [ACCEPTED GENUS 2296:5LPQ nidx=null]
 + Marycarmenia Nunez, 1998 [ACCEPTED GENUS 2298:84Q59 nidx=null]
Marywadea
 - Marywadea [ACCEPTED GENUS 2296:5LPW nidx=null]
 + Marywadea Glaessner, 1976 [ACCEPTED GENUS 2298:84Q5B nidx=null]
Mastigias
 - Mastigias [ACCEPTED GENUS 2296:62ZDK nidx=null]
 + Mastigias Agassiz, 1862 [ACCEPTED GENUS 2298:84M6D nidx=null]
Mastigias gracilis
 - Mastigias gracilis [ACCEPTED SPECIES 2296:3YCV2 nidx=null]
 + Mastigias gracilis (Vanhöffen, 1888) [ACCEPTED SPECIES 2298:84MC6 nidx=null]
Mastigias ocellatus
 - Mastigias ocellatus [ACCEPTED SPECIES 2296:3YCV3 nidx=null]
 + Mastigias ocellatus (Modeer, 1791) [ACCEPTED SPECIES 2298:84MC7 nidx=null]
Mastigietta
 - Mastigietta [ACCEPTED GENUS 2296:62ZDJ nidx=null]
 + Mastigietta Stiasny, 1921 [ACCEPTED GENUS 2298:84M6F nidx=null]
Mastigiidae
 - Mastigiidae [ACCEPTED FAMILY 2296:CF9 nidx=null]
 + Mastigiidae Stiasny, 1920 [ACCEPTED FAMILY 2298:84K7J nidx=null]
Mastobranchus
 - Mastobranchus [ACCEPTED GENUS 2296:5LWP nidx=null]
 + Mastobranchus Eisig, 1887 [ACCEPTED GENUS 2298:84P3N nidx=null]
Matsucythere
 - Matsucythere [ACCEPTED GENUS 2296:62ZF7 nidx=null]
 + Matsucythere Hu & Tao, 2008 [ACCEPTED GENUS 2298:84Q5J nidx=null]
Maupasia
 - Maupasia [ACCEPTED GENUS 2296:5M4Y nidx=null]
 + Maupasia Viguier, 1886 [ACCEPTED GENUS 2298:84P3V nidx=null]
Mawia
 - Mawia [ACCEPTED GENUS 2296:5M6P nidx=null]
 + Mawia Avian, Ramšak, Tirelli, D'Ambra & Malej, 2016 [ACCEPTED GENUS 2298:84M6G nidx=null]
Maxmuelleria
 - Maxmuelleria [ACCEPTED GENUS 2296:5M7J nidx=null]
 + Maxmuelleria Bock, 1942 [ACCEPTED GENUS 2298:84P3W nidx=null]
Mayella
 - Mayella [ACCEPTED GENUS 2296:5M8S nidx=null]
 + Mayella Hartmann-Schröder, 1959 [ACCEPTED GENUS 2298:84Q5P nidx=null]
Mazopherusa
 - Mazopherusa [ACCEPTED GENUS 2296:62ZHF nidx=null]
 + Mazopherusa Hay, 2002 [ACCEPTED GENUS 2298:84Q5R nidx=null]
Mckenziartia
 - Mckenziartia [ACCEPTED GENUS 2296:5MB6 nidx=null]
 + Mckenziartia Labutis & Bentley, 1988 [ACCEPTED GENUS 2298:84Q5S nidx=null]
Meandrina
 - Meandrina [ACCEPTED GENUS 2296:5MBD nidx=null]
 + Meandrina Lamarck, 1801 [ACCEPTED GENUS 2298:84P3Z nidx=null]
Meandrinidae
 - Meandrinidae [ACCEPTED FAMILY 2296:CG5 nidx=null]
 + Meandrinidae Gray, 1847 [ACCEPTED FAMILY 2298:84K7K nidx=null]
Meckelia piperata
 - Meckelia piperata [SYNONYM SPECIES 2296:738NF nidx=null parent=3QF8L]
 + Meckelia piperata Stimpson, 1855 [SYNONYM SPECIES 2298:84Z4Y nidx=null parent=3QF8L]
Medioantenna
 - Medioantenna [ACCEPTED GENUS 2296:5MHD nidx=null]
 + Medioantenna Imajima, 1997 [ACCEPTED GENUS 2298:84Q5W nidx=null]
Mediocytherideis
 - Mediocytherideis [ACCEPTED GENUS 2296:5MHJ nidx=null]
 + Mediocytherideis Mandelstam, 1956 [ACCEPTED GENUS 2298:84Q5X nidx=null]
Mediomastus
 - Mediomastus [ACCEPTED GENUS 2296:5MHL nidx=null]
 + Mediomastus Hartman, 1944 [ACCEPTED GENUS 2298:84P45 nidx=null]
Megaciella
 - Megaciella [ACCEPTED GENUS 2296:62ZJW nidx=null]
 + Megaciella Hallmann, 1920 [ACCEPTED GENUS 2298:84P4H nidx=null]
Megacythere
 - Megacythere [ACCEPTED GENUS 2296:5MN6 nidx=null]
 + Megacythere Puri, 1960 [ACCEPTED GENUS 2298:84P4J nidx=null]
Megadrilus
 - Megadrilus [ACCEPTED GENUS 2296:5MNT nidx=null]
 + Megadrilus Martınez, Di Domenico, Rouse & Worsaae, 2015 [ACCEPTED GENUS 2298:84Q5Z nidx=null]
Meganerilla
 - Meganerilla [ACCEPTED GENUS 2296:62ZBJ nidx=null]
 + Meganerilla Boaden, 1961 [ACCEPTED GENUS 2298:84P55 nidx=null]
Meganopteron
 - Meganopteron [ACCEPTED GENUS 2296:5MX3 nidx=null]
 + Meganopteron Hu & Tao, 2008 [ACCEPTED GENUS 2298:84Q63 nidx=null]
Megapogon
 - Megapogon [ACCEPTED GENUS 2296:5MYT nidx=null]
 + Megapogon Jenkin, 1908 [ACCEPTED GENUS 2298:84P57 nidx=null]
Megaramphoprion
 - Megaramphoprion [ACCEPTED GENUS 2296:5MZK nidx=null]
 + Megaramphoprion Eriksson, 2001 [ACCEPTED GENUS 2298:84Q64 nidx=null]
Megarhethus
 - Megarhethus [ACCEPTED GENUS 2296:5MZS nidx=null]
 + Megarhethus Child, 1982 [ACCEPTED GENUS 2298:84P59 nidx=null]
Megasyllis
 - Megasyllis [ACCEPTED GENUS 2296:5N3W nidx=null]
 + Megasyllis San Martín, Hutchings & Aguado, 2008 [ACCEPTED GENUS 2298:84Q65 nidx=null]
Meiodorvillea
 - Meiodorvillea [ACCEPTED GENUS 2296:5N8T nidx=null]
 + Meiodorvillea Jumars, 1974 [ACCEPTED GENUS 2298:84P5Y nidx=null]
Meiodrilus
 - Meiodrilus [ACCEPTED GENUS 2296:62YS3 nidx=null]
 + Meiodrilus Martínez, Di Domenico, Rouse & Worsaae, 2015 [ACCEPTED GENUS 2298:84Q68 nidx=null]
Meionemertes
 - Meionemertes [ACCEPTED GENUS 2296:5N94 nidx=null]
 + Meionemertes Gibson, 1986 [ACCEPTED GENUS 2298:84Q69 nidx=null]
Meiopriapulidae
 - Meiopriapulidae [ACCEPTED FAMILY 2296:CJB nidx=null]
 + Meiopriapulidae Adrianov & Malakhov, 1995 [ACCEPTED FAMILY 2298:84K7P nidx=null]
Meiopriapulomorpha
 - Meiopriapulomorpha [ACCEPTED ORDER 2296:3JC nidx=null]
 + Meiopriapulomorpha Adrianov & Malakhov, 1995 [ACCEPTED ORDER 2298:84JW6 nidx=null]
Meiopriapulus
 - Meiopriapulus [ACCEPTED GENUS 2296:62Z3R nidx=null]
 + Meiopriapulus Morse, 1981 [ACCEPTED GENUS 2298:84P62 nidx=null]
Meischcandona
 - Meischcandona [ACCEPTED GENUS 2296:5N9T nidx=null]
 + Meischcandona Karanovic, 2001 [ACCEPTED GENUS 2298:84Q6C nidx=null]
Mekon
 - Mekon [ACCEPTED GENUS 2296:62Z36 nidx=null]
 + Mekon Bamber & Boxshall, 2006 [ACCEPTED GENUS 2298:84Q6D nidx=null]
Melaenis
 - Melaenis [ACCEPTED GENUS 2296:62YQY nidx=null]
 + Melaenis Malmgren, 1865 [ACCEPTED GENUS 2298:84P65 nidx=null]
Melanoraphia
 - Melanoraphia [ACCEPTED GENUS 2296:62Z3X nidx=null]
 + Melanoraphia Arduini, Pinna & Teruzzi, 1982 [ACCEPTED GENUS 2298:84Q6F nidx=null]
Melavargula
 - Melavargula [ACCEPTED GENUS 2296:5NMS nidx=null]
 + Melavargula Poulsen, 1962 [ACCEPTED GENUS 2298:84Q6G nidx=null]
Melinantipoda
 - Melinantipoda [ACCEPTED GENUS 2296:5NQF nidx=null]
 + Melinantipoda Hartman, 1967 [ACCEPTED GENUS 2298:84P6N nidx=null]
Melinna
 - Melinna [ACCEPTED GENUS 2296:5NQJ nidx=null]
 + Melinna Malmgren, 1866 [ACCEPTED GENUS 2298:84P6P nidx=null]
Melinnampharete
 - Melinnampharete [ACCEPTED GENUS 2296:5NQL nidx=null]
 + Melinnampharete Annenkova, 1937 [ACCEPTED GENUS 2298:84P6R nidx=null]
Melinnata
 - Melinnata [ACCEPTED GENUS 2296:5NQM nidx=null]
 + Melinnata Hartman, 1965 [ACCEPTED GENUS 2298:84P6S nidx=null]
Melinnexis rostrata
 - Melinnexis rostrata (Wesenberg-Lund, 1950) [SYNONYM SPECIES 2296:3ZFNH nidx=null parent=3ZFP4]
 + Melinnexis rostrata (Wesenberg-Lund, 1950) [SYNONYM SPECIES 2298:84Z5N nidx=null parent=85DYM]
Melinnoides
 - Melinnoides [ACCEPTED GENUS 2296:5NQN nidx=null]
 + Melinnoides Benham, 1927 [ACCEPTED GENUS 2298:84P6T nidx=null]
Melinnopsides
 - Melinnopsides [ACCEPTED GENUS 2296:5NQP nidx=null]
 + Melinnopsides Day, 1964 [ACCEPTED GENUS 2298:84P6V nidx=null]
Melinnopsis
 - Melinnopsis [ACCEPTED GENUS 2296:5NQQ nidx=null]
 + Melinnopsis McIntosh, 1885 [ACCEPTED GENUS 2298:84P6W nidx=null]
Melithaea
 - Melithaea [ACCEPTED GENUS 2296:5NS4 nidx=null]
 + Melithaea Milne Edwards, 1857 [ACCEPTED GENUS 2298:84P77 nidx=null]
Melithaeidae
 - Melithaeidae [ACCEPTED FAMILY 2296:CKL nidx=null]
 + Melithaeidae Gray, 1870 [ACCEPTED FAMILY 2298:84K7S nidx=null]
Mellonympha
 - Mellonympha [ACCEPTED GENUS 2296:62Z5P nidx=null]
 + Mellonympha Schulze, 1897 [ACCEPTED GENUS 2298:84P78 nidx=null]
Melonanchora
 - Melonanchora [ACCEPTED GENUS 2296:5NVM nidx=null]
 + Melonanchora Carter, 1874 [ACCEPTED GENUS 2298:84P79 nidx=null]
Melophlus
 - Melophlus [ACCEPTED GENUS 2296:5NVV nidx=null]
 + Melophlus Thiele, 1899 [ACCEPTED GENUS 2298:84P7B nidx=null]
Melophlus hajdui
 - Melophlus hajdui Moraes, 2011 [ACCEPTED SPECIES 2296:3ZN2S nidx=null]
 + Melophlus hajdui Moraes, 2011 [SYNONYM SPECIES 2298:84Z5W nidx=null parent=85T8Y]
Melophlus ruber
 - Melophlus ruber Lehnert & van Soest, 1998 [ACCEPTED SPECIES 2296:3ZN2T nidx=null]
 + Melophlus ruber Lehnert & van Soest, 1998 [SYNONYM SPECIES 2298:84Z5X nidx=null parent=85T8Z]
Menacella
 - Menacella [ACCEPTED GENUS 2296:5NYS nidx=null]
 + Menacella Gray, 1870 [ACCEPTED GENUS 2298:84Q6K nidx=null]
Mendamanus
 - Mendamanus [ACCEPTED GENUS 2296:5NZ6 nidx=null]
 + Mendamanus Bamber, 1999 [ACCEPTED GENUS 2298:84Q6M nidx=null]
Menella
 - Menella [ACCEPTED GENUS 2296:5P2K nidx=null]
 + Menella Gray, 1870 [ACCEPTED GENUS 2298:84Q6N nidx=null]
Menogenys
 - Menogenys [ACCEPTED GENUS 2296:5P4W nidx=null]
 + Menogenys Ottone, 1988 [ACCEPTED GENUS 2298:84Q6R nidx=null]
Mergonemertes
 - Mergonemertes [ACCEPTED GENUS 2296:5P8P nidx=null]
 + Mergonemertes Brinkmann, 1917 [ACCEPTED GENUS 2298:84Q6S nidx=null]
Meridiescandona
 - Meridiescandona [ACCEPTED GENUS 2296:5P9G nidx=null]
 + Meridiescandona Karanovic, 2003 [ACCEPTED GENUS 2298:84Q6T nidx=null]
Meridionale
 - Meridionale [ACCEPTED GENUS 2296:5P9N nidx=null]
 + Meridionale Staples, 2014 [ACCEPTED GENUS 2298:84P7L nidx=null]
Meridionalicythere
 - Meridionalicythere [ACCEPTED GENUS 2296:5P9P nidx=null]
 + Meridionalicythere Whatley, Chadwick, Coxill & Toy, 1987 [ACCEPTED GENUS 2298:84Q6V nidx=null]
Meringosoma
 - Meringosoma [ACCEPTED GENUS 2296:62Z7L nidx=null]
 + Meringosoma Ehlers, 1869 [ACCEPTED GENUS 2298:84Q6W nidx=null]
Merlia
 - Merlia [ACCEPTED GENUS 2296:5PCC nidx=null]
 + Merlia Kirkpatrick, 1908 [ACCEPTED GENUS 2298:84P7N nidx=null]
Merliida
 - Merliida [ACCEPTED ORDER 2296:3JM nidx=null]
 + Merliida Vacelet, 1979 [ACCEPTED ORDER 2298:84JW7 nidx=null]
Merliidae
 - Merliidae [ACCEPTED FAMILY 2296:624MH nidx=null]
 + Merliidae Kirkpatrick, 1908 [ACCEPTED FAMILY 2298:84K7V nidx=null]
Meromonakantha
 - Meromonakantha [ACCEPTED GENUS 2296:5PDZ nidx=null]
 + Meromonakantha Sieg, 1986 [ACCEPTED GENUS 2298:84Q6X nidx=null]
Mertensia hawaiiensis
 - Mertensia hawaiiensis Brack. [SYNONYM SPECIES 2296:3ZWT4 nidx=null parent=52HWZ]
 + Mertensia hawaiiensis Brack. [SYNONYM SPECIES 2298:84Z66 nidx=null parent=52HWZ]
Merulina
 - Merulina [ACCEPTED GENUS 2296:5PG9 nidx=null]
 + Merulina Ehrenberg, 1834 [ACCEPTED GENUS 2298:84P84 nidx=null]
Merulinidae
 - Merulinidae [ACCEPTED FAMILY 2296:CM5 nidx=null]
 + Merulinidae Verrill, 1865 [ACCEPTED FAMILY 2298:84K7Y nidx=null]
Mesenchytraeus
 - Mesenchytraeus [ACCEPTED GENUS 2296:5PKS nidx=null]
 + Mesenchytraeus Eisen, 1878 [ACCEPTED GENUS 2298:84P88 nidx=null]
Mesochaetopterus
 - Mesochaetopterus [ACCEPTED GENUS 2296:5PNN nidx=null]
 + Mesochaetopterus Potts, 1914 [ACCEPTED GENUS 2298:84P89 nidx=null]
Mesocorallicythere
 - Mesocorallicythere [ACCEPTED GENUS 2296:5PPZ nidx=null]
 + Mesocorallicythere Hartmann, 1974 [ACCEPTED GENUS 2298:84Q74 nidx=null]
Mesocythere
 - Mesocythere [ACCEPTED GENUS 2296:5PQK nidx=null]
 + Mesocythere Hartmann, 1956 [ACCEPTED GENUS 2298:84Q75 nidx=null]
Mesogligorgia
 - Mesogligorgia [ACCEPTED GENUS 2296:5PRQ nidx=null]
 + Mesogligorgia Lopez-Gonzalez, 2007 [ACCEPTED GENUS 2298:84Q76 nidx=null]
Mesokalliapseudes
 - Mesokalliapseudes [ACCEPTED GENUS 2296:5PSM nidx=null]
 + Mesokalliapseudes Lang, 1956 [ACCEPTED GENUS 2298:84Q77 nidx=null]
Mesonerilla
 - Mesonerilla [ACCEPTED GENUS 2296:62Z9L nidx=null]
 + Mesonerilla Remane, 1949 [ACCEPTED GENUS 2298:84P8H nidx=null]
Mesopothelepus
 - Mesopothelepus [ACCEPTED GENUS 2296:5PX4 nidx=null]
 + Mesopothelepus Nogueira, Fitzhugh, Hutchings & Carrerette, 2017 [ACCEPTED GENUS 2298:84Q78 nidx=null]
Mesotanais
 - Mesotanais [ACCEPTED GENUS 2296:5Q24 nidx=null]
 + Mesotanais Dollfus, 1897 [ACCEPTED GENUS 2298:84P8M nidx=null]
Mespilus arbutifolius
 - Mespilus arbutifolius (Lindl.) Link [SYNONYM SPECIES 2296:6RBH6 nidx=null parent=6M55X]
 + Mespilus arbutifolius (Lindl.) Link [SYNONYM SPECIES 2298:84K36 nidx=null parent=6M55X]
Metabonellia
 - Metabonellia [ACCEPTED GENUS 2296:5Q5H nidx=null]
 + Metabonellia Stephen & Edmonds, 1972 [ACCEPTED GENUS 2298:84P8R nidx=null]
Metaconchoecia
 - Metaconchoecia [ACCEPTED GENUS 2296:5Q7V nidx=null]
 + Metaconchoecia Granata & Caporiacco, 1949 [ACCEPTED GENUS 2298:84P8V nidx=null]
Metafannyella
 - Metafannyella [ACCEPTED GENUS 2296:62YYV nidx=null]
 + Metafannyella Cairns & Bayer, 2009 [ACCEPTED GENUS 2298:84Q7L nidx=null]
Metagathotanais
 - Metagathotanais [ACCEPTED GENUS 2296:62YYD nidx=null]
 + Metagathotanais Bird & Holdich, 1988 [ACCEPTED GENUS 2298:84Q7M nidx=null]
Metalaeospira
 - Metalaeospira [ACCEPTED GENUS 2296:5QC8 nidx=null]
 + Metalaeospira Pillai, 1970 [ACCEPTED GENUS 2298:84Q7N nidx=null]
Metaleptochelia
 - Metaleptochelia [ACCEPTED GENUS 2296:5QCR nidx=null]
 + Metaleptochelia Gutu, 2016 [ACCEPTED GENUS 2298:84Q7P nidx=null]
Metallogorgia
 - Metallogorgia [ACCEPTED GENUS 2296:5QDT nidx=null]
 + Metallogorgia Versluys, 1902 [ACCEPTED GENUS 2298:84P92 nidx=null]
Metanarella
 - Metanarella [ACCEPTED GENUS 2296:5QFR nidx=null]
 + Metanarella Cairns, 2012 [ACCEPTED GENUS 2298:84Q7Q nidx=null]
Metania
 - Metania [ACCEPTED GENUS 2296:62ZVS nidx=null]
 + Metania Gray, 1867 [ACCEPTED GENUS 2298:84P93 nidx=null]
Metaniidae
 - Metaniidae [ACCEPTED FAMILY 2296:CNV nidx=null]
 + Metaniidae Volkmer-Ribeiro, 1986 [ACCEPTED FAMILY 2298:84K7Z nidx=null]
Metapolycope
 - Metapolycope [ACCEPTED GENUS 2296:62ZVV nidx=null]
 + Metapolycope Kornicker & Morkhoven, 1976 [ACCEPTED GENUS 2298:84P9B nidx=null]
Metapseudes
 - Metapseudes [ACCEPTED GENUS 2296:5QKY nidx=null]
 + Metapseudes Stephensen, 1927 [ACCEPTED GENUS 2298:84P9C nidx=null]
Metapseudidae
 - Metapseudidae [ACCEPTED FAMILY 2296:CNW nidx=null]
 + Metapseudidae Lang, 1970 [ACCEPTED FAMILY 2298:84K82 nidx=null]
Metasarsiella
 - Metasarsiella [ACCEPTED GENUS 2296:5QM4 nidx=null]
 + Metasarsiella Kornicker, 1991 [ACCEPTED GENUS 2298:84Q7R nidx=null]
Metaschisma
 - Metaschisma [ACCEPTED GENUS 2296:5QM9 nidx=null]
 + Metaschisma Kornicker, 1994 [ACCEPTED GENUS 2298:84Q7S nidx=null]
Metastelma decaisneana
 - Metastelma decaisneana (Miq.) Benth. & Hook. fil. [SYNONYM SPECIES 2296:73CLT nidx=null parent=54YSW]
 + Metastelma decaisneana (Miq.) Benth. & Hook. fil. [SYNONYM SPECIES 2298:84XL8 nidx=null parent=54YSW]
Metasychis
 - Metasychis [ACCEPTED GENUS 2296:5QNK nidx=null]
 + Metasychis Light, 1991 [ACCEPTED GENUS 2298:84Q7W nidx=null]
Metatanais
 - Metatanais [ACCEPTED GENUS 2296:5QNS nidx=null]
 + Metatanais Shiino, 1952 [ACCEPTED GENUS 2298:84P9G nidx=null]
Metataxis
 - Metataxis [ACCEPTED GENUS 2296:5QNT nidx=null]
 + Metataxis Righi, 1985 [ACCEPTED GENUS 2298:84Q7Y nidx=null]
Metatrichia vesparia
 - Metatrichia vesparia (Batsch) Nann.-Bremek. ex G.W.Martin & Alexop., 1969 [ACCEPTED SPECIES 2296:6RCN2 nidx=null]
 + Metatrichia vesparia (Batsch) Nann.-Bremek. ex G.W.Martin & Alexop., 1969 [ACCEPTED SPECIES 2298:84XL9 nidx=null]
Metavargula
 - Metavargula [ACCEPTED GENUS 2296:5QPQ nidx=null]
 + Metavargula Kornicker, 1970 [ACCEPTED GENUS 2298:84Q83 nidx=null]
Metavermilia
 - Metavermilia [ACCEPTED GENUS 2296:5QPS nidx=null]
 + Metavermilia Bush, 1905 [ACCEPTED GENUS 2298:84P9J nidx=null]
Metaxypsamma
 - Metaxypsamma [ACCEPTED GENUS 2296:5QQK nidx=null]
 + Metaxypsamma Wolf, 1986 [ACCEPTED GENUS 2298:84Q85 nidx=null]
Methanoaricia
 - Methanoaricia [ACCEPTED GENUS 2296:5QSJ nidx=null]
 + Methanoaricia Blake, 2000 [ACCEPTED GENUS 2298:84Q86 nidx=null]
Metschnikowiidae
 - Metschnikowiidae [ACCEPTED FAMILY 2296:CQ2 nidx=null]
 + Metschnikowiidae Czerniavsky, 1880 [ACCEPTED FAMILY 2298:84K83 nidx=null]
Mexidrilus
 - Mexidrilus [ACCEPTED GENUS 2296:5R6B nidx=null]
 + Mexidrilus Erséus, 1992 [ACCEPTED GENUS 2298:84PB5 nidx=null]
Mexieulepis
 - Mexieulepis [ACCEPTED GENUS 2296:5R6C nidx=null]
 + Mexieulepis Rioja, 1962 [ACCEPTED GENUS 2298:84PB6 nidx=null]
Micconemertes
 - Micconemertes [ACCEPTED GENUS 2296:5R9S nidx=null]
 + Micconemertes Gibson, 1997 [ACCEPTED GENUS 2298:84Q8D nidx=null]
Miconia cinnamomiifolia
 - Miconia cinnamomiifolia (Jacq.) Triana [SYNONYM SPECIES 2296:42MYJ nidx=null parent=42N35]
 + Miconia cinnamomiifolia (Jacq.) Triana [SYNONYM SPECIES 2298:84Y2F nidx=null parent=42N35]
Micospina
 - Micospina [ACCEPTED GENUS 2296:5RB3 nidx=null]
 + Micospina Watson, Carvajal, Sergeeva, Pleijel & Rouse, 2016 [ACCEPTED GENUS 2298:84Q8G nidx=null]
Micrabacia
 - Micrabacia [ACCEPTED GENUS 2296:5RB6 nidx=null]
 + Micrabacia Milne Edwards & Haime, 1849 [ACCEPTED GENUS 2298:84Q8H nidx=null]
Micrabaciidae
 - Micrabaciidae [ACCEPTED FAMILY 2296:CQ8 nidx=null]
 + Micrabaciidae Vaughan, 1905 [ACCEPTED FAMILY 2298:84K85 nidx=null]
Micrellides
 - Micrellides [ACCEPTED GENUS 2296:63B26 nidx=null]
 + Micrellides Gibson, 1985 [ACCEPTED GENUS 2298:84Q8J nidx=null]
Microasteropteron
 - Microasteropteron [ACCEPTED GENUS 2296:5RGC nidx=null]
 + Microasteropteron Poulsen, 1965 [ACCEPTED GENUS 2298:84PBG nidx=null]
Microceratina
 - Microceratina [ACCEPTED GENUS 2296:5RKQ nidx=null]
 + Microceratina Swanson, 1980 [ACCEPTED GENUS 2298:84Q8M nidx=null]
Microcionidae
 - Microcionidae [ACCEPTED FAMILY 2296:CQS nidx=null]
 + Microcionidae Carter, 1875 [ACCEPTED FAMILY 2298:84K87 nidx=null]
Microclymene
 - Microclymene [ACCEPTED GENUS 2296:5RMR nidx=null]
 + Microclymene Arwidsson, 1906 [ACCEPTED GENUS 2298:84PBN nidx=null]
Microcyema
 - Microcyema [ACCEPTED GENUS 2296:5RQ7 nidx=null]
 + Microcyema Van Beneden, 1882 [ACCEPTED GENUS 2298:84PBQ nidx=null]
Microcypris
 - Microcypris [ACCEPTED GENUS 2296:5RQC nidx=null]
 + Microcypris Kaufmann, 1900 [ACCEPTED GENUS 2298:84PBR nidx=null]
Microcythere
 - Microcythere [ACCEPTED GENUS 2296:5RQJ nidx=null]
 + Microcythere Mueller, 1894 [ACCEPTED GENUS 2298:84PBS nidx=null]
Microcytheridae
 - Microcytheridae [ACCEPTED FAMILY 2296:CQZ nidx=null]
 + Microcytheridae Klie, 1938 [ACCEPTED FAMILY 2298:84K88 nidx=null]
Microcytherura
 - Microcytherura [ACCEPTED GENUS 2296:5RQK nidx=null]
 + Microcytherura Mueller, 1894 [ACCEPTED GENUS 2298:84Q8Q nidx=null]
Microdorvillea
 - Microdorvillea [ACCEPTED GENUS 2296:63B4F nidx=null]
 + Microdorvillea Westheide & Von Nordheim, 1985 [ACCEPTED GENUS 2298:84Q8S nidx=null]
Microhoweina
 - Microhoweina [ACCEPTED GENUS 2296:5RVQ nidx=null]
 + Microhoweina Mohammed & Keyser, 2012 [ACCEPTED GENUS 2298:84Q8V nidx=null]
Microloxoconcha
 - Microloxoconcha [ACCEPTED GENUS 2296:63B4V nidx=null]
 + Microloxoconcha Hartmann, 1954 [ACCEPTED GENUS 2298:84Q8X nidx=null]
Micromaldane
 - Micromaldane [ACCEPTED GENUS 2296:5RZ3 nidx=null]
 + Micromaldane Monro, 1939 [ACCEPTED GENUS 2298:84PC3 nidx=null]
Micromussa
 - Micromussa [ACCEPTED GENUS 2296:5S36 nidx=null]
 + Micromussa Veron, 2000 [ACCEPTED GENUS 2298:84Q8Y nidx=null]
Micronephthys
 - Micronephthys [ACCEPTED GENUS 2296:5S46 nidx=null]
 + Micronephthys Friedrich, 1939 [ACCEPTED GENUS 2298:84PC9 nidx=null]
Micronephthys cornuta
 - Micronephthys cornuta (Berkeley & Berkeley, 1945) [SYNONYM SPECIES 2296:4322K nidx=null parent=LVLG]
 + Micronephthys cornuta (Berkeley & Berkeley, 1945) [ACCEPTED SPECIES 2298:84Z6X nidx=null]
Micronephthys danida
 - Micronephthys danida (Nateewathana & Hylleberg, 1986) [SYNONYM SPECIES 2296:4322L nidx=null parent=LVLH]
 + Micronephthys danida (Nateewathana & Hylleberg, 1986) [ACCEPTED SPECIES 2298:84Z6Y nidx=null]
Micronephthys neotena
 - Micronephthys neotena (Noyes, 1980) [SYNONYM SPECIES 2296:4322T nidx=null parent=LVLJ]
 + Micronephthys neotena (Noyes, 1980) [ACCEPTED SPECIES 2298:84Z6Z nidx=null]
Micronereides
 - Micronereides [ACCEPTED GENUS 2296:5S47 nidx=null]
 + Micronereides Day, 1963 [ACCEPTED GENUS 2298:84PCB nidx=null]
Micronereis
 - Micronereis [ACCEPTED GENUS 2296:5S48 nidx=null]
 + Micronereis Claparède, 1863 [ACCEPTED GENUS 2298:84PCC nidx=null]
Micronerilla
 - Micronerilla [ACCEPTED GENUS 2296:5S49 nidx=null]
 + Micronerilla Jouin, 1970 [unpublished] [ACCEPTED GENUS 2298:84Q8Z nidx=null]
Micropacter
 - Micropacter [ACCEPTED GENUS 2296:5S58 nidx=null]
 + Micropacter Koenemann, Iliffe & van der Ham, 2007 [ACCEPTED GENUS 2298:84Q93 nidx=null]
Micropacteridae
 - Micropacteridae [ACCEPTED FAMILY 2296:CRL nidx=null]
 + Micropacteridae Koenemann, Iliffe & van der Ham, 2007 [ACCEPTED FAMILY 2298:84K8T nidx=null]
Microphthalmus
 - Microphthalmus [ACCEPTED GENUS 2296:5S85 nidx=null]
 + Microphthalmus Mecznikow, 1865 [ACCEPTED GENUS 2298:84PCF nidx=null]
Microphthalmus hamosus
 - Microphthalmus hamosus Westheide, 1982 [ACCEPTED SPECIES 2296:73HZJ nidx=null]
 + Microphthalmus hamosus Westheide, 1982 [SYNONYM SPECIES 2298:84Z74 nidx=null parent=85FKN]
Microphthalmus pacificus
 - Microphthalmus pacificus (Friedrich, 1956) [ACCEPTED SPECIES 2296:73HZH nidx=null]
 + Microphthalmus pacificus (Friedrich, 1956) [SYNONYM SPECIES 2298:84Z75 nidx=null parent=84XZN]
Micropodarke
 - Micropodarke [ACCEPTED GENUS 2296:5S9K nidx=null]
 + Micropodarke Okuda, 1938 [ACCEPTED GENUS 2298:84PCH nidx=null]
Microprimnoa
 - Microprimnoa [ACCEPTED GENUS 2296:63B7N nidx=null]
 + Microprimnoa Bayer & Stefani, 1989 [ACCEPTED GENUS 2298:84Q97 nidx=null]
Microprotula
 - Microprotula [ACCEPTED GENUS 2296:63B6Q nidx=null]
 + Microprotula Uchida, 1978 [ACCEPTED GENUS 2298:84Q98 nidx=null]
Microrbinia
 - Microrbinia [ACCEPTED GENUS 2296:5SCD nidx=null]
 + Microrbinia Hartman, 1965 [ACCEPTED GENUS 2298:84PCM nidx=null]
Microscleroderma
 - Microscleroderma [ACCEPTED GENUS 2296:63B8G nidx=null]
 + Microscleroderma Kirkpatrick, 1903 [ACCEPTED GENUS 2298:84PCN nidx=null]
Microscolex
 - Microscolex [ACCEPTED GENUS 2296:63B8J nidx=null]
 + Microscolex Rosa, 1887 [ACCEPTED GENUS 2298:84PCP nidx=null]
Microspio
 - Microspio [ACCEPTED GENUS 2296:5SFN nidx=null]
 + Microspio Mesnil, 1896 [ACCEPTED GENUS 2298:84PCQ nidx=null]
Microsyssitria
 - Microsyssitria [ACCEPTED GENUS 2296:63BZP nidx=null]
 + Microsyssitria Hart, Nair & Hart, 1967 [ACCEPTED GENUS 2298:84Q9C nidx=null]
Microtylostylifer
 - Microtylostylifer [ACCEPTED GENUS 2296:5SLD nidx=null]
 + Microtylostylifer Dendy, 1924 [ACCEPTED GENUS 2298:84PD3 nidx=null]
Microxestoleberis
 - Microxestoleberis [ACCEPTED GENUS 2296:5SM2 nidx=null]
 + Microxestoleberis Mueller, 1894 [ACCEPTED GENUS 2298:84Q9F nidx=null]
Microxina
 - Microxina [ACCEPTED GENUS 2296:5SM3 nidx=null]
 + Microxina Topsent, 1916 [ACCEPTED GENUS 2298:84PD4 nidx=null]
Microxina subtilis
 - Microxina subtilis (Pulitzer-Finali, 1982) [ACCEPTED SPECIES 2296:439XG nidx=null]
 + Microxina subtilis (Pulitzer-Finali, 1982) [SYNONYM SPECIES 2298:84Z79 nidx=null parent=85SVS]
Microxistyla
 - Microxistyla [ACCEPTED GENUS 2296:5SM5 nidx=null]
 + Microxistyla Topsent, 1928 [ACCEPTED GENUS 2298:84PD5 nidx=null]
Micrura
 - Micrura [ACCEPTED GENUS 2296:5SMX nidx=null]
 + Micrura Ehrenberg, 1828 [ACCEPTED GENUS 2298:84PD6 nidx=null]
Micrurimorpha
 - Micrurimorpha [ACCEPTED GENUS 2296:5SN3 nidx=null]
 + Micrurimorpha Korotkevich, 1980 [ACCEPTED GENUS 2298:84Q9H nidx=null]
Micrurina
 - Micrurina [ACCEPTED GENUS 2296:5SN4 nidx=null]
 + Micrurina Stiasny-Wijnhoff, 1942 [ACCEPTED GENUS 2298:84Q9J nidx=null]
Micrurinella
 - Micrurinella [ACCEPTED GENUS 2296:5SN5 nidx=null]
 + Micrurinella Friedrich, 1960 [ACCEPTED GENUS 2298:84Q9K nidx=null]
Mikroconchoecia
 - Mikroconchoecia [ACCEPTED GENUS 2296:5SRG nidx=null]
 + Mikroconchoecia Claus, 1891 [ACCEPTED GENUS 2298:84PDB nidx=null]
Milliganius
 - Milliganius [ACCEPTED GENUS 2296:5STZ nidx=null]
 + Milliganius Erséus, 1992 [ACCEPTED GENUS 2298:84PDL nidx=null]
Mimicarhaphura
 - Mimicarhaphura [ACCEPTED GENUS 2296:5SZM nidx=null]
 + Mimicarhaphura Sieg, 1986 [ACCEPTED GENUS 2298:84Q9W nidx=null]
Mimipallene
 - Mimipallene [ACCEPTED GENUS 2296:5T23 nidx=null]
 + Mimipallene Child, 1982 [ACCEPTED GENUS 2298:84PDQ nidx=null]
Minabea
 - Minabea [ACCEPTED GENUS 2296:5T9J nidx=null]
 + Minabea Utinomi, 1957 [ACCEPTED GENUS 2298:84Q9X nidx=null]
Minchinella
 - Minchinella [ACCEPTED GENUS 2296:63BR7 nidx=null]
 + Minchinella Kirkpatrick, 1908 [ACCEPTED GENUS 2298:84PDZ nidx=null]
Minchinellidae
 - Minchinellidae [ACCEPTED FAMILY 2296:CTN nidx=null]
 + Minchinellidae Dendy & Row, 1913 [ACCEPTED FAMILY 2298:84K8B nidx=null]
Minicythere
 - Minicythere [ACCEPTED GENUS 2296:5TBS nidx=null]
 + Minicythere Ornellas, 1974 [ACCEPTED GENUS 2298:84QB3 nidx=null]
Minuisis
 - Minuisis [ACCEPTED GENUS 2296:63C3W nidx=null]
 + Minuisis Grant, 1976 [ACCEPTED GENUS 2298:84QB4 nidx=null]
Minusculisquama
 - Minusculisquama [ACCEPTED GENUS 2296:63C48 nidx=null]
 + Minusculisquama Pettibone, 1983 [ACCEPTED GENUS 2298:84QB5 nidx=null]
Minuspio chilensis
 - Minuspio chilensis (Hartmann-Schröder, 1962) [ACCEPTED SPECIES 2296:6RM8Q nidx=null]
 + Minuspio chilensis (Hartmann-Schröder, 1962) [SYNONYM SPECIES 2298:84Z7G nidx=null parent=85F8S]
Minuspio delta
 - Minuspio delta (Hartman, 1965) [ACCEPTED SPECIES 2296:43KJX nidx=null]
 + Minuspio delta (Hartman, 1965) [SYNONYM SPECIES 2298:84Z7H nidx=null parent=77WD7]
Minuspio gracilis
 - Minuspio gracilis (Hartmann-Schröder, 1962) [ACCEPTED SPECIES 2296:43KJY nidx=null]
 + Minuspio gracilis (Hartmann-Schröder, 1962) [SYNONYM SPECIES 2298:84Z7J nidx=null parent=85DZ5]
Minuspio japonica
 - Minuspio japonica (Okuda, 1935) [ACCEPTED SPECIES 2296:43KJZ nidx=null]
 + Minuspio japonica (Okuda, 1935) [SYNONYM SPECIES 2298:84Z7K nidx=null parent=6W8CZ]
Minuspio longibranchiata
 - Minuspio longibranchiata (Reish, 1968) [ACCEPTED SPECIES 2296:43KK2 nidx=null]
 + Minuspio longibranchiata (Reish, 1968) [SYNONYM SPECIES 2298:84XNS nidx=null parent=77WD7]
Minutanemertes
 - Minutanemertes [ACCEPTED GENUS 2296:5TFF nidx=null]
 + Minutanemertes Senz, 1993 [ACCEPTED GENUS 2298:84QB6 nidx=null]
Miracythere
 - Miracythere [ACCEPTED GENUS 2296:63C5H nidx=null]
 + Miracythere Hornibrook, 1952 [ACCEPTED GENUS 2298:84QB9 nidx=null]
Mirandotanaidae
 - Mirandotanaidae [ACCEPTED FAMILY 2296:CTZ nidx=null]
 + Mirandotanaidae Blazewicz-Paszkowycz & Bamber, 2009 [ACCEPTED FAMILY 2298:84K8W nidx=null]
Mirandotanais
 - Mirandotanais [ACCEPTED GENUS 2296:5TLM nidx=null]
 + Mirandotanais Kussakin & Tzareva, 1974 [ACCEPTED GENUS 2298:84PFB nidx=null]
Mirostenella
 - Mirostenella [ACCEPTED GENUS 2296:5TPP nidx=null]
 + Mirostenella Bayer, 1988 [ACCEPTED GENUS 2298:84QBB nidx=null]
Miscellania
 - Miscellania [ACCEPTED GENUS 2296:5TQC nidx=null]
 + Miscellania Martin, Alós & Sardá, 1990 [ACCEPTED GENUS 2298:84QBC nidx=null]
Mitinokuidrilus
 - Mitinokuidrilus [ACCEPTED GENUS 2296:5TT4 nidx=null]
 + Mitinokuidrilus Takashima & Mawatari, 1998 [ACCEPTED GENUS 2298:84QBD nidx=null]
Miura
 - Miura [ACCEPTED GENUS 2296:5TWK nidx=null]
 + Miura Blake, 1993 [ACCEPTED GENUS 2298:84QBG nidx=null]
Mobyprion
 - Mobyprion [ACCEPTED GENUS 2296:63C6R nidx=null]
 + Mobyprion Jansonius & Craig, 1974 [ACCEPTED GENUS 2298:84QBK nidx=null]
Mollicia
 - Mollicia [ACCEPTED GENUS 2296:63BJG nidx=null]
 + Mollicia Poulsen, 1973 [ACCEPTED GENUS 2298:84PGD nidx=null]
Molotanaissus
 - Molotanaissus [ACCEPTED GENUS 2296:63BL3 nidx=null]
 + Molotanaissus Błażewicz-Paszkowycz & Bamber, 2012 [ACCEPTED GENUS 2298:84QBQ nidx=null]
Monanchora
 - Monanchora [ACCEPTED GENUS 2296:63C2C nidx=null]
 + Monanchora Carter, 1883 [ACCEPTED GENUS 2298:84PGL nidx=null]
Monasterope
 - Monasterope [ACCEPTED GENUS 2296:63C24 nidx=null]
 + Monasterope Kornicker, 1991 [ACCEPTED GENUS 2298:84QBS nidx=null]
Moniligastridae
 - Moniligastridae [ACCEPTED FAMILY 2296:CVX nidx=null]
 + Moniligastridae Claus, 1880 [ACCEPTED FAMILY 2298:84K8D nidx=null]
Monoasterope
 - Monoasterope [ACCEPTED GENUS 2296:63BFF nidx=null]
 + Monoasterope Kornicker, 1991 [ACCEPTED GENUS 2298:84QBV nidx=null]
Monoceratina
 - Monoceratina [ACCEPTED GENUS 2296:63BGH nidx=null]
 + Monoceratina Roth, 1928 [ACCEPTED GENUS 2298:84QBW nidx=null]
Monocerina
 - Monocerina [ACCEPTED GENUS 2296:63BGQ nidx=null]
 + Monocerina Costa, 1861 [ACCEPTED GENUS 2298:84QBX nidx=null]
Monocraterion
 - Monocraterion [ACCEPTED GENUS 2296:63DBZ nidx=null]
 + Monocraterion Chakrabarti, 1990 [ACCEPTED GENUS 2298:84QBY nidx=null]
Monocrepidium
 - Monocrepidium [ACCEPTED GENUS 2296:63DBB nidx=null]
 + Monocrepidium Topsent, 1898 [ACCEPTED GENUS 2298:84PH3 nidx=null]
Monoditanais
 - Monoditanais [ACCEPTED GENUS 2296:63DDX nidx=null]
 + Monoditanais Sieg, 1980 [ACCEPTED GENUS 2298:84PH4 nidx=null]
Monohedotrochus
 - Monohedotrochus [ACCEPTED GENUS 2296:63D5M nidx=null]
 + Monohedotrochus Kitahara & Cairns, 2005 [ACCEPTED GENUS 2298:84QBZ nidx=null]
Monokalliapseudes
 - Monokalliapseudes [ACCEPTED GENUS 2296:63CSM nidx=null]
 + Monokalliapseudes Lang, 1956 [ACCEPTED GENUS 2298:84QC2 nidx=null]
Monomyces
 - Monomyces [ACCEPTED GENUS 2296:63CSZ nidx=null]
 + Monomyces Ehrenberg, 1834 [ACCEPTED GENUS 2298:84PHF nidx=null]
Mononemertes
 - Mononemertes [ACCEPTED GENUS 2296:63D6C nidx=null]
 + Mononemertes Coe, 1926 [ACCEPTED GENUS 2298:84QC3 nidx=null]
Monoplectroninia
 - Monoplectroninia [ACCEPTED GENUS 2296:63CVC nidx=null]
 + Monoplectroninia Pouliquen & Vacelet, 1970 [ACCEPTED GENUS 2298:84PHG nidx=null]
Monopylephorus
 - Monopylephorus [ACCEPTED GENUS 2296:63D75 nidx=null]
 + Monopylephorus Levinsen, 1884 [ACCEPTED GENUS 2298:84PHL nidx=null]
Monopylephorus rubroniveus glaber
 - Monopylephorus rubroniveus glaber Moore, 1905 [ACCEPTED INFRASPECIFIC_NAME 2296:7HHHL nidx=null]
 + Monopylephorus rubroniveus glaber Moore, 1905 [SYNONYM SUBSPECIES 2298:852P8 nidx=null parent=44989]
Monorhaphididae
 - Monorhaphididae [ACCEPTED FAMILY 2296:CX2 nidx=null]
 + Monorhaphididae Ijima, 1927 [ACCEPTED FAMILY 2298:84K8H nidx=null]
Monorhaphis
 - Monorhaphis [ACCEPTED GENUS 2296:63D6X nidx=null]
 + Monorhaphis Schulze, 1904 [ACCEPTED GENUS 2298:84PHN nidx=null]
Monostilifera
 - Monostilifera [ACCEPTED ORDER 2296:3L4 nidx=null]
 + Monostilifera Brinkmann, 1917 [ACCEPTED ORDER 2298:84JRM nidx=null]
Monotiopleuridae
 - Monotiopleuridae [ACCEPTED FAMILY 2296:CX8 nidx=null]
 + Monotiopleuridae Guber & Jaanusson, 1964 [ACCEPTED FAMILY 2298:84K95 nidx=null]
Monroika
 - Monroika [ACCEPTED GENUS 2296:63CXF nidx=null]
 + Monroika Hartman, 1951 [ACCEPTED GENUS 2298:84QC5 nidx=null]
Monstrotanais
 - Monstrotanais [ACCEPTED GENUS 2296:63D9Q nidx=null]
 + Monstrotanais Kudinova-Pasternak, 1981 [ACCEPTED GENUS 2298:84PHW nidx=null]
Montastraea
 - Montastraea [ACCEPTED GENUS 2296:63D8Y nidx=null]
 + Montastraea Blainville, 1830 [ACCEPTED GENUS 2298:84PHX nidx=null]
Montastraeidae
 - Montastraeidae [ACCEPTED FAMILY 2296:624NV nidx=null]
 + Montastraeidae Yabe & Sugiyama, 1941 [ACCEPTED FAMILY 2298:84K97 nidx=null]
Monticulastraea
 - Monticulastraea [ACCEPTED GENUS 2296:63CYT nidx=null]
 + Monticulastraea Duncan, 1880 [ACCEPTED GENUS 2298:84QC6 nidx=null]
Montigyra
 - Montigyra [ACCEPTED GENUS 2296:63CYV nidx=null]
 + Montigyra Matthai, 1928 [ACCEPTED GENUS 2298:84PHY nidx=null]
Montipora
 - Montipora [ACCEPTED GENUS 2296:5V25 nidx=null]
 + Montipora Blainville, 1830 [ACCEPTED GENUS 2298:84PHZ nidx=null]
Montlivaltia
 - Montlivaltia [ACCEPTED GENUS 2296:5V2B nidx=null]
 + Montlivaltia Lamouroux, 1821 [ACCEPTED GENUS 2298:84QC7 nidx=null]
Moolabalia
 - Moolabalia [ACCEPTED GENUS 2296:5V36 nidx=null]
 + Moolabalia Alderslade, 2001 [ACCEPTED GENUS 2298:84QC8 nidx=null]
Mooreonuphis
 - Mooreonuphis [ACCEPTED GENUS 2296:5V3L nidx=null]
 + Mooreonuphis Fauchald, 1982 [ACCEPTED GENUS 2298:84PJ5 nidx=null]
Moosella
 - Moosella [ACCEPTED GENUS 2296:5V3M nidx=null]
 + Moosella Hartmann, 1964 [ACCEPTED GENUS 2298:84QC9 nidx=null]
Moosella tomokoae
 - Moosella tomokoae (Ishizaki, 1968) Ikeya, Okubo, Kitazato & Ueda, 19 [SYNONYM SPECIES 2296:44BQ7 nidx=null parent=6DFFW]
 + Moosella tomokoae (Ishizaki, 1968) Ikeya, Okubo, Kitazato & Ueda, 1985 [SYNONYM SPECIES 2298:84Z88 nidx=null parent=6DFFW]
Mopsea
 - Mopsea [ACCEPTED GENUS 2296:5V3V nidx=null]
 + Mopsea Lamouroux, 1816 [ACCEPTED GENUS 2298:84QCB nidx=null]
Morants duplex
 - Morants duplex Chamberlin, 1919 [ACCEPTED SPECIES 2296:6RPLC nidx=null]
 + Morants duplex Chamberlin, 1919 [SYNONYM SPECIES 2298:84XP5 nidx=null parent=4Z69M]
Morgana
 - Morgana [ACCEPTED GENUS 2296:5V6P nidx=null]
 + Morgana Nogueira & Amaral, 2001 [ACCEPTED GENUS 2298:84QCC nidx=null]
Morkhovenia
 - Morkhovenia [ACCEPTED GENUS 2296:5V8R nidx=null]
 + Morkhovenia Teeter, 1975 [ACCEPTED GENUS 2298:84QCG nidx=null]
Morlockia
 - Morlockia [ACCEPTED GENUS 2296:63CL8 nidx=null]
 + Morlockia García-Valdecasas, 1984 [ACCEPTED GENUS 2298:84QCH nidx=null]
Morlockiidae
 - Morlockiidae [ACCEPTED FAMILY 2296:CXZ nidx=null]
 + Morlockiidae García-Valdecasas, 1984 [ACCEPTED FAMILY 2298:84K98 nidx=null]
Moseleya
 - Moseleya [ACCEPTED GENUS 2296:5VDJ nidx=null]
 + Moseleya Quelch, 1884 [ACCEPTED GENUS 2298:84PJK nidx=null]
Msangia
 - Msangia [ACCEPTED GENUS 2296:5VGW nidx=null]
 + Msangia Bacescu, 1976 [ACCEPTED GENUS 2298:84PJT nidx=null]
Mucibregma
 - Mucibregma [ACCEPTED GENUS 2296:5VHB nidx=null]
 + Mucibregma Fauchald & Hancock, 1981 [ACCEPTED GENUS 2298:84QCP nidx=null]
Mucroserpula
 - Mucroserpula [ACCEPTED GENUS 2296:5VJP nidx=null]
 + Mucroserpula Regenhardt, 1961 [ACCEPTED GENUS 2298:84QCQ nidx=null]
Muellerina
 - Muellerina [ACCEPTED GENUS 2296:5VKG nidx=null]
 + Muellerina Bassiouni, 1965 [ACCEPTED GENUS 2298:84PK3 nidx=null]
Muelleroecia
 - Muelleroecia [ACCEPTED GENUS 2296:5VKM nidx=null]
 + Muelleroecia Chavtur & Angel, 2011 [ACCEPTED GENUS 2298:84QCS nidx=null]
Multiprion
 - Multiprion [ACCEPTED GENUS 2296:5VNY nidx=null]
 + Multiprion Szaniawski & Wrona, 1973 [ACCEPTED GENUS 2298:84QCV nidx=null]
Multivalvulida
 - Multivalvulida [ACCEPTED ORDER 2296:3LD nidx=null]
 + Multivalvulida Shulman, 1959 [ACCEPTED ORDER 2298:84JW8 nidx=null]
Mungava
 - Mungava [ACCEPTED GENUS 2296:5VQJ nidx=null]
 + Mungava Harding, 1962 [ACCEPTED GENUS 2298:84PK5 nidx=null]
Munseyella
 - Munseyella [ACCEPTED GENUS 2296:5VRG nidx=null]
 + Munseyella Bold, 1957 [ACCEPTED GENUS 2298:84PK6 nidx=null]
Murrayona
 - Murrayona [ACCEPTED GENUS 2296:63CPN nidx=null]
 + Murrayona Kirkpatrick, 1910 [ACCEPTED GENUS 2298:84PK7 nidx=null]
Murrayonida
 - Murrayonida [ACCEPTED ORDER 2296:3LF nidx=null]
 + Murrayonida Vacelet, 1981 [ACCEPTED ORDER 2298:84JQH nidx=null]
Murrayonidae
 - Murrayonidae [ACCEPTED FAMILY 2296:CZJ nidx=null]
 + Murrayonidae Dendy & Row, 1913 [ACCEPTED FAMILY 2298:84K8J nidx=null]
Murrindisyllis
 - Murrindisyllis [ACCEPTED GENUS 2296:63CQ4 nidx=null]
 + Murrindisyllis San Martín, Aguado & Murray, 2007 [ACCEPTED GENUS 2298:84QD5 nidx=null]
Murutudes
 - Murutudes [ACCEPTED GENUS 2296:63CQ5 nidx=null]
 + Murutudes Bamber & Sheader, 2005 [ACCEPTED GENUS 2298:84QD6 nidx=null]
Mussa
 - Mussa [ACCEPTED GENUS 2296:5VXB nidx=null]
 + Mussa Oken, 1815 [ACCEPTED GENUS 2298:84PK8 nidx=null]
Mussismilia
 - Mussismilia [ACCEPTED GENUS 2296:5VXK nidx=null]
 + Mussismilia Ortmann, 1890 [ACCEPTED GENUS 2298:84PK9 nidx=null]
Mustaquimsthenelais
 - Mustaquimsthenelais [ACCEPTED GENUS 2296:5VXP nidx=null]
 + Mustaquimsthenelais Wehe, 2007 [ACCEPTED GENUS 2298:84QD8 nidx=null]
Mutilus
 - Mutilus [ACCEPTED GENUS 2296:5VYD nidx=null]
 + Mutilus Neviani, 1928 [ACCEPTED GENUS 2298:84QDB nidx=null]
Mycale
 - Mycale [ACCEPTED GENUS 2296:5VZQ nidx=null]
 - Mycale [ACCEPTED SUBGENUS 2296:5VZR nidx=null]
 + Mycale Gray, 1867 [ACCEPTED GENUS 2298:84PKG nidx=null]
Mycale (Aegogropila) crassissima
 - Mycale (Aegogropila) crassissima (Dendy, 1905) [ACCEPTED SPECIES 2296:44RT6 nidx=null]
 + Mycale (Aegogropila) crassissima (Dendy, 1905) [SYNONYM SPECIES 2298:84Z8N nidx=null parent=85T3B]
Mycale (Aegogropila) meridionalis
 - Mycale (Aegogropila) meridionalis Lévi, 1963 [ACCEPTED SPECIES 2296:44RTP nidx=null]
 + Mycale (Aegogropila) meridionalis Lévi, 1963 [SYNONYM SPECIES 2298:84Z8P nidx=null parent=85T3Q]
Mycale (Aegogropila) militaris
 - Mycale (Aegogropila) militaris Annandale, 1914 [ACCEPTED SPECIES 2296:44RTQ nidx=null]
 + Mycale (Aegogropila) militaris Annandale, 1914 [SYNONYM SPECIES 2298:84Z8Q nidx=null parent=85T2S]
Mycale (Aegogropila) pellucida
 - Mycale (Aegogropila) pellucida (Ridley, 1884) [ACCEPTED SPECIES 2296:44RTV nidx=null]
 + Mycale (Aegogropila) pellucida (Ridley, 1884) [SYNONYM SPECIES 2298:84Z8R nidx=null parent=73QRS]
Mycale (Arenochalina) anatipes
 - Mycale (Arenochalina) anatipes (Lamarck, 1813) [ACCEPTED SPECIES 2296:73R46 nidx=null]
 + Mycale (Arenochalina) anatipes (Lamarck, 1814) [SYNONYM SPECIES 2298:84Z8S nidx=null parent=6RQS5]
Mycale (Arenochalina) euplectellioides var. regularis
 - Mycale (Arenochalina) euplectellioides var. regularis Wilson, 1925 [ACCEPTED VARIETY 2296:7M9QC nidx=null]
 + Mycale (Arenochalina) euplectellioides var. regularis Wilson, 1925 [SYNONYM VARIETY 2298:852VC nidx=null parent=85T2G]
Mycale (Arenochalina) setosa
 - Mycale (Arenochalina) setosa (Keller, 1889) [ACCEPTED SPECIES 2296:6S345 nidx=null]
 + Mycale (Arenochalina) setosa [SYNONYM SPECIES 2298:84Z8T nidx=null parent=85T2D]
Mycale (Arenochalina) tenuityla
 - Mycale (Arenochalina) tenuityla (Pulitzer-Finali, 1982) [ACCEPTED SPECIES 2296:73QRT nidx=null]
 + Mycale (Arenochalina) tenuityla (Pulitzer-Finali, 1982) [SYNONYM SPECIES 2298:84Z8V nidx=null parent=85T36]
Mycale (Arenochalina) trincomaliensis
 - Mycale (Arenochalina) trincomaliensis Rao, 1941 [ACCEPTED SPECIES 2296:73QS5 nidx=null]
 + Mycale (Arenochalina) trincomaliensis Rao, 1941 [SYNONYM SPECIES 2298:84Z8W nidx=null parent=85T2D]
Mycale (Arenochalina) tylostrongyla
 - Mycale (Arenochalina) tylostrongyla Pulitzer-Finali, 1982 [SYNONYM SPECIES 2296:73R45 nidx=null parent=6RR45]
 + Mycale (Arenochalina) tylostrongyla Pulitzer-Finali, 1982 [SYNONYM SPECIES 2298:84Z8X nidx=null parent=85T2D]
Mycale (Carmia) crassa
 - Mycale (Carmia) crassa (Dendy, 1896) [ACCEPTED SPECIES 2296:44RV7 nidx=null]
 + Mycale (Carmia) crassa (Dendy, 1896) [SYNONYM SPECIES 2298:84Z8Y nidx=null parent=85T2C]
Mycale (Carmia) digitata
 - Mycale (Carmia) digitata Bergquist & Tizard, 1967 [ACCEPTED SPECIES 2296:44RV9 nidx=null]
 + Mycale (Carmia) digitata Bergquist & Tizard, 1967 [SYNONYM SPECIES 2298:84Z8Z nidx=null parent=85T3F]
Mycale (Carmia) erythraeana
 - Mycale (Carmia) erythraeana (Row, 1911) [ACCEPTED SPECIES 2296:44RVB nidx=null]
 + Mycale (Carmia) erythraeana (Row, 1911) [SYNONYM SPECIES 2298:84Z92 nidx=null parent=85T22]
Mycale (Carmia) hentscheli
 - Mycale (Carmia) hentscheli Hooper in Hooper & Wiedenmayer, 1994 [PROVISIONALLY_ACCEPTED SPECIES 2296:44RVK nidx=null]
 + Mycale (Carmia) hentscheli Hooper in Hooper & Wiedenmayer, 1994 [AMBIGUOUS_SYNONYM SPECIES 2298:84Z93 nidx=null parent=85T3G]
Mycale (Carmia) levii
 - Mycale (Carmia) levii Samaai & Gibbons, 2005 [ACCEPTED SPECIES 2296:44RVM nidx=null]
 + Mycale (Carmia) levii Samaai & Gibbons, 2005 [SYNONYM SPECIES 2298:84Z94 nidx=null parent=85T2X]
Mycale (Carmia) microxea
 - Mycale (Carmia) microxea Vacelet, Vasseur & Lévi, 1976 [ACCEPTED SPECIES 2296:44RVT nidx=null]
 + Mycale (Carmia) microxea Vacelet, Vasseur & Lévi, 1976 [SYNONYM SPECIES 2298:84Z95 nidx=null parent=85T3X]
Mycale (Carmia) modesta
 - Mycale (Carmia) modesta (Lambe, 1895) [ACCEPTED SPECIES 2296:44RVV nidx=null]
 + Mycale (Carmia) modesta (Lambe, 1895) [SYNONYM SPECIES 2298:84Z96 nidx=null parent=7433T]
Mycale (Carmia) orientalis
 - Mycale (Carmia) orientalis (Topsent, 1897) [ACCEPTED SPECIES 2296:44RVZ nidx=null]
 + Mycale (Carmia) orientalis (Topsent, 1897) [SYNONYM SPECIES 2298:84Z97 nidx=null parent=85T26]
Mycale (Carmia) tenuispiculata
 - Mycale (Carmia) tenuispiculata (Dendy, 1905) [ACCEPTED SPECIES 2296:44RWF nidx=null]
 + Mycale (Carmia) tenuispiculata (Dendy, 1905) [SYNONYM SPECIES 2298:84Z98 nidx=null parent=85T2H]
Mycale (Grapelia) carteri
 - Mycale (Grapelia) carteri (Dendy & Frederick, 1924) [SYNONYM SPECIES 2296:44RWN nidx=null parent=44RWQ]
 + Mycale (Grapelia) carteri (Dendy & Frederick, 1924) [ACCEPTED SPECIES 2298:84Z99 nidx=null]
Mycale (Grapelia) parasitica
 - Mycale (Grapelia) parasitica (Carter, 1885) [ACCEPTED SPECIES 2296:44RWQ nidx=null]
 + Mycale (Grapelia) parasitica (Carter, 1885) [SYNONYM SPECIES 2298:84Z9B nidx=null parent=44RWL]
Mycale (Mycale) armata
 - Mycale (Mycale) armata Thiele, 1903 [ACCEPTED SPECIES 2296:44RX2 nidx=null]
 + Mycale (Mycale) armata Thiele, 1903 [SYNONYM SPECIES 2298:84Z9C nidx=null parent=73QRS]
Mycale (Mycale) aruensis
 - Mycale (Mycale) aruensis Hentschel, 1912 [ACCEPTED SPECIES 2296:44RX3 nidx=null]
 + Mycale (Mycale) aruensis Hentschel, 1912 [SYNONYM SPECIES 2298:84Z9D nidx=null parent=44RX9]
Mycale (Mycale) gravelyi
 - Mycale (Mycale) gravelyi Burton, 1937 [ACCEPTED SPECIES 2296:44RXF nidx=null]
 + Mycale (Mycale) gravelyi Burton, 1937 [SYNONYM SPECIES 2298:84Z9F nidx=null parent=85T23]
Mycale (Mycale) hispida
 - Mycale (Mycale) hispida (Lambe, 1893) [ACCEPTED SPECIES 2296:44RXG nidx=null]
 + Mycale (Mycale) hispida (Lambe, 1893) [SYNONYM SPECIES 2298:84Z9G nidx=null parent=85T2N]
Mycale (Mycale) indica
 - Mycale (Mycale) indica (Carter, 1887) [ACCEPTED SPECIES 2296:44RXJ nidx=null]
 + Mycale (Mycale) indica (Carter, 1887) [SYNONYM SPECIES 2298:84Z9H nidx=null parent=73QRS]
Mycale (Mycale) macrochela
 - Mycale (Mycale) macrochela Burton, 1932 [ACCEPTED SPECIES 2296:73QS4 nidx=null]
 + Mycale (Mycale) macrochela Burton, 1932 [SYNONYM SPECIES 2298:84Z9J nidx=null parent=85T3P]
Mycale (Mycale) madraspatana
 - Mycale (Mycale) madraspatana Annandale, 1914 [ACCEPTED SPECIES 2296:44RXV nidx=null]
 + Mycale (Mycale) madraspatana Annandale, 1914 [SYNONYM SPECIES 2298:84Z9K nidx=null parent=85T2Q]
Mycale (Mycale) minor
 - Mycale (Mycale) minor Hentschel, 1911 [SYNONYM SPECIES 2296:44RXZ nidx=null parent=44RYD]
 + Mycale (Mycale) minor Hentschel, 1911 [SYNONYM SPECIES 2298:84Z9L nidx=null parent=44RX9]
Mycale (Mycale) monanchorata
 - Mycale (Mycale) monanchorata Burton & Rao, 1932 [ACCEPTED SPECIES 2296:44RY2 nidx=null]
 + Mycale (Mycale) monanchorata Burton & Rao, 1932 [SYNONYM SPECIES 2298:84Z9M nidx=null parent=85T2D]
Mycale (Mycale) rara
 - Mycale (Mycale) rara (Dendy, 1896) [ACCEPTED SPECIES 2296:44RY9 nidx=null]
 + Mycale (Mycale) rara (Dendy, 1896) [SYNONYM SPECIES 2298:84Z9N nidx=null parent=85T2F]
Mycale (Mycale) strongylophora
 - Mycale (Mycale) strongylophora (de Laubenfels, 1954) [ACCEPTED SPECIES 2296:44RYC nidx=null]
 + Mycale (Mycale) strongylophora (de Laubenfels, 1954) [SYNONYM SPECIES 2298:84Z9P nidx=null parent=73QRS]
Mycale (Mycale) sulcata
 - Mycale (Mycale) sulcata Hentschel, 1911 [ACCEPTED SPECIES 2296:44RYD nidx=null]
 + Mycale (Mycale) sulcata Hentschel, 1911 [SYNONYM SPECIES 2298:84Z9Q nidx=null parent=44RX9]
Mycale (Mycale) vansoesti
 - Mycale (Mycale) vansoesti [ACCEPTED SPECIES 2296:44RYM nidx=null]
 + Mycale (Mycale) vansoesti Calcinai, Cerrano, Totti, Romagnoli & Bavestrello, 2006 [SYNONYM SPECIES 2298:84Z9R nidx=null parent=85T35]
Mycale (Naviculina) flagellifera
 - Mycale (Naviculina) flagellifera Vacelet & Vasseur, 1971 [ACCEPTED SPECIES 2296:44RYW nidx=null]
 + Mycale (Naviculina) flagellifera Vacelet & Vasseur, 1971 [SYNONYM SPECIES 2298:84Z9S nidx=null parent=44RYR]
Mycale (Naviculina) peculiaris
 - Mycale (Naviculina) peculiaris Pulitzer-Finali, 1996 [ACCEPTED SPECIES 2296:44RZ2 nidx=null]
 + Mycale (Naviculina) peculiaris Pulitzer-Finali, 1996 [SYNONYM SPECIES 2298:84Z9T nidx=null parent=44RYR]
Mycale (Paresperella) bidentata
 - Mycale (Paresperella) bidentata (Dendy, 1905) [ACCEPTED SPECIES 2296:44RZJ nidx=null]
 + Mycale (Paresperella) bidentata (Dendy, 1905) [SYNONYM SPECIES 2298:84Z9V nidx=null parent=44RZS]
Mycale (Paresperella) dichela
 - Mycale (Paresperella) dichela (Hentschel, 1911) [ACCEPTED SPECIES 2296:44RZM nidx=null]
 + Mycale (Paresperella) dichela (Hentschel, 1911) [SYNONYM SPECIES 2298:84Z9W nidx=null parent=44RZT]
Mycale (Paresperella) repens
 - Mycale (Paresperella) repens (Whitelegge, 1907) [ACCEPTED SPECIES 2296:44RZV nidx=null]
 + Mycale (Paresperella) repens (Whitelegge, 1907) [SYNONYM SPECIES 2298:84Z9X nidx=null parent=44RZT]
Mycale (Paresperella) toxifera
 - Mycale (Paresperella) toxifera (Lévi, 1963) [ACCEPTED SPECIES 2296:44RZZ nidx=null]
 + Mycale (Paresperella) toxifera (Lévi, 1963) [SYNONYM SPECIES 2298:84Z9Y nidx=null parent=85T3Y]
Mycale (Rhaphidotheca) arctica
 - Mycale (Rhaphidotheca) arctica (Hentschel, 1929) [ACCEPTED SPECIES 2296:44S24 nidx=null]
 + Mycale (Rhaphidotheca) arctica (Hentschel, 1929) [SYNONYM SPECIES 2298:84Z9Z nidx=null parent=85T43]
Mycale aegagropila var. militaris
 - Mycale aegagropila var. militaris Annandale, 1914 [SYNONYM VARIETY 2296:5Q82F nidx=null parent=44RTQ]
 + Mycale aegagropila var. militaris Annandale, 1914 [SYNONYM VARIETY 2298:852VD nidx=null parent=85T2S]
Mycale armata
 - Mycale armata Thiele, 1903 [SYNONYM SPECIES 2296:44S2W nidx=null parent=44RX2]
 + Mycale armata Thiele, 1903 [SYNONYM SPECIES 2298:84ZB3 nidx=null parent=73QRS]
Mycale aruensis
 - Mycale aruensis Hentschel, 1912 [SYNONYM SPECIES 2296:44S2Y nidx=null parent=44RX3]
 + Mycale aruensis Hentschel, 1912 [SYNONYM SPECIES 2298:84ZB4 nidx=null parent=44RX9]
Mycale australis
 - Mycale australis Hentschel, 1911 [SYNONYM SPECIES 2296:44S33 nidx=null parent=44RVK]
 + Mycale australis Hentschel, 1911 [SYNONYM SPECIES 2298:84ZB5 nidx=null parent=85T3G]
Mycale bidentata
 - Mycale bidentata (Dendy, 1905) [SYNONYM SPECIES 2296:44S39 nidx=null parent=44RZJ]
 + Mycale bidentata (Dendy, 1905) [SYNONYM SPECIES 2298:84ZB6 nidx=null parent=44RZS]
Mycale cleistochela var. flagellifera
 - Mycale cleistochela var. flagellifera Vacelet & Vasseur, 1971 [SYNONYM VARIETY 2296:5Q82G nidx=null parent=44RYW]
 + Mycale cleistochela var. flagellifera Vacelet & Vasseur, 1971 [SYNONYM VARIETY 2298:852VF nidx=null parent=44RYR]
Mycale corrugata
 - Mycale corrugata (Bowerbank, 1866) [ACCEPTED SPECIES 2296:44S3S nidx=null]
 + Mycale corrugata (Bowerbank, 1866) [SYNONYM SPECIES 2298:84ZB7 nidx=null parent=85SZZ]
Mycale crassa
 - Mycale crassa (Dendy, 1896) [SYNONYM SPECIES 2296:44S3T nidx=null parent=44RV7]
 + Mycale crassa (Dendy, 1896) [SYNONYM SPECIES 2298:84ZB8 nidx=null parent=85T2C]
Mycale crassissima
 - Mycale crassissima (Dendy, 1905) [SYNONYM SPECIES 2296:6S2S3 nidx=null parent=44RT6]
 + Mycale crassissima (Dendy, 1905) [SYNONYM SPECIES 2298:84ZB9 nidx=null parent=85T3B]
Mycale cylindrica
 - Mycale cylindrica (Whitelegge, 1906) [ACCEPTED SPECIES 2296:44S3X nidx=null]
 + Mycale cylindrica (Whitelegge, 1906) [SYNONYM SPECIES 2298:84ZBB nidx=null parent=85T3C]
Mycale diaphana
 - Mycale diaphana (Schmidt, 1870) [ACCEPTED SPECIES 2296:44S43 nidx=null]
 + Mycale diaphana (Schmidt, 1870) [SYNONYM SPECIES 2298:84ZBC nidx=null parent=85T3D]
Mycale dichela
 - Mycale dichela (Hentschel, 1911) [SYNONYM SPECIES 2296:44S45 nidx=null parent=44RZM]
 + Mycale dichela (Hentschel, 1911) [SYNONYM SPECIES 2298:84ZBD nidx=null parent=44RZT]
Mycale digitata
 - Mycale digitata Bergquist & Tizard, 1967 [SYNONYM SPECIES 2296:44S46 nidx=null parent=44RV9]
 + Mycale digitata Bergquist & Tizard, 1967 [SYNONYM SPECIES 2298:84ZBF nidx=null parent=85T3F]
Mycale erythraeana
 - Mycale erythraeana (Row, 1911) [SYNONYM SPECIES 2296:6S33R nidx=null parent=44RVB]
 + Mycale erythraeana (Row, 1911) [SYNONYM SPECIES 2298:84ZBG nidx=null parent=85T22]
Mycale euplectellioides var. regularis
 - Mycale euplectellioides var. regularis Wilson, 1925 [SYNONYM VARIETY 2296:5Q82L nidx=null parent=7M9QC]
 + Mycale euplectellioides var. regularis Wilson, 1925 [SYNONYM VARIETY 2298:852VG nidx=null parent=85T2G]
Mycale fibrosa
 - Mycale fibrosa Boury-Esnault & van Beveren, 1982 [ACCEPTED SPECIES 2296:44S4G nidx=null]
 + Mycale fibrosa Boury-Esnault & van Beveren, 1982 [SYNONYM SPECIES 2298:84ZBH nidx=null parent=85T38]
Mycale fisheri
 - Mycale fisheri (Laubenfels, 1926) [ACCEPTED SPECIES 2296:44S4H nidx=null]
 + Mycale fisheri (Laubenfels, 1926) [SYNONYM SPECIES 2298:84ZBJ nidx=null parent=44RXS]
Mycale fistulata
 - Mycale fistulata Hentschel, 1911 [SYNONYM SPECIES 2296:44S4J nidx=null parent=6RR45]
 + Mycale fistulata Hentschel, 1911 [SYNONYM SPECIES 2298:84ZBK nidx=null parent=85T2D]
Mycale fistulata var. macrochela
 - Mycale fistulata var. macrochela Hentschel, 1911 [SYNONYM VARIETY 2296:5Q82M nidx=null parent=6RR45]
 + Mycale fistulata var. macrochela Hentschel, 1911 [SYNONYM VARIETY 2298:852VH nidx=null parent=85T2D]
Mycale flagellifera
 - Mycale flagellifera Vacelet & Vasseur, 1971 [SYNONYM SPECIES 2296:44S4L nidx=null parent=44RYW]
 + Mycale flagellifera Vacelet & Vasseur, 1971 [SYNONYM SPECIES 2298:84ZBL nidx=null parent=44RYR]
Mycale gravelyi
 - Mycale gravelyi Burton, 1937 [SYNONYM SPECIES 2296:73QRR nidx=null parent=44RXF]
 + Mycale gravelyi Burton, 1937 [SYNONYM SPECIES 2298:84ZBM nidx=null parent=85T23]
Mycale hentscheli
 - Mycale hentscheli Hooper in Hooper & Wiedenmayer, 1994 [SYNONYM SPECIES 2296:44S4X nidx=null parent=44RVK]
 + Mycale hentscheli Hooper in Hooper & Wiedenmayer, 1994 [AMBIGUOUS_SYNONYM SPECIES 2298:84ZBN nidx=null parent=85T3G]
Mycale hispida
 - Mycale hispida (Lambe, 1893) [SYNONYM SPECIES 2296:44S4Z nidx=null parent=44RXG]
 + Mycale hispida (Lambe, 1893) [SYNONYM SPECIES 2298:84XPF nidx=null parent=85T2N]
Mycale imperfecta
 - Mycale imperfecta Baer, 1906 [ACCEPTED SPECIES 2296:44S53 nidx=null]
 + Mycale imperfecta Baer, 1906 [SYNONYM SPECIES 2298:84ZBP nidx=null parent=85T2D]
Mycale incurvata
 - Mycale incurvata Lévi, 1993 [ACCEPTED SPECIES 2296:44S55 nidx=null]
 + Mycale incurvata Lévi, 1993 [SYNONYM SPECIES 2298:84ZBQ nidx=null parent=85T3K]
Mycale isochela
 - Mycale isochela Hentschel, 1911 [SYNONYM SPECIES 2296:44S58 nidx=null parent=6RR43]
 + Mycale isochela Hentschel, 1911 [SYNONYM SPECIES 2298:84ZBR nidx=null parent=85T44]
Mycale izuensis
 - Mycale izuensis Tanita & Hoshino, 1989 [ACCEPTED SPECIES 2296:44S59 nidx=null]
 + Mycale izuensis Tanita & Hoshino, 1989 [SYNONYM SPECIES 2298:84ZBS nidx=null parent=85T3L]
Mycale jophon
 - Mycale jophon (Swartschewsky, 1905) [ACCEPTED SPECIES 2296:44S5D nidx=null]
 + Mycale jophon (Swartschewsky, 1905) [SYNONYM SPECIES 2298:84ZBT nidx=null parent=85T2P]
Mycale lanugo
 - Mycale lanugo (Schmidt, 1875) [SYNONYM SPECIES 2296:44S5J nidx=null parent=D32W]
 + Mycale lanugo (Schmidt, 1875) [SYNONYM SPECIES 2298:84ZBV nidx=null parent=85SN3]
Mycale lindbergi
 - Mycale lindbergi Koltun, 1958 [ACCEPTED SPECIES 2296:44S5P nidx=null]
 + Mycale lindbergi Koltun, 1958 [SYNONYM SPECIES 2298:84XPG nidx=null parent=85T3M]
Mycale lobata
 - Mycale lobata (Montagu, 1814) [SYNONYM SPECIES 2296:44S5T nidx=null parent=D32W]
 + Mycale lobata (Montagu, 1814) [SYNONYM SPECIES 2298:84XPH nidx=null parent=85SN3]
Mycale macilenta var. australis
 - Mycale macilenta var. australis Hentschel, 1911 [SYNONYM VARIETY 2296:5Q82S nidx=null parent=44RVK]
 + Mycale macilenta var. australis Hentschel, 1911 [SYNONYM VARIETY 2298:852VJ nidx=null parent=85T3G]
Mycale macrochela
 - Mycale macrochela Burton, 1932 [SYNONYM SPECIES 2296:44S5Y nidx=null parent=73QS4]
 + Mycale macrochela Burton, 1932 [SYNONYM SPECIES 2298:84ZBW nidx=null parent=85T3P]
Mycale madraspatana
 - Mycale madraspatana Annandale, 1914 [SYNONYM SPECIES 2296:44S5Z nidx=null parent=44RXV]
 + Mycale madraspatana Annandale, 1914 [SYNONYM SPECIES 2298:84ZBX nidx=null parent=85T2Q]
Mycale mammiformis
 - Mycale mammiformis (Ridley & Dendy, 1886) [ACCEPTED SPECIES 2296:44S64 nidx=null]
 + Mycale mammiformis (Ridley & Dendy, 1886) [SYNONYM SPECIES 2298:84ZBY nidx=null parent=85T3N]
Mycale mannarensis
 - Mycale mannarensis Thomas, 1968 [ACCEPTED SPECIES 2296:44S65 nidx=null]
 + Mycale mannarensis Thomas, 1968 [SYNONYM SPECIES 2298:84ZBZ nidx=null parent=85T24]
Mycale maunakea
 - Mycale maunakea de Laubenfels, 1951 [SYNONYM SPECIES 2296:44S68 nidx=null parent=44RV3]
 + Mycale maunakea de Laubenfels, 1951 [SYNONYM SPECIES 2298:84ZC2 nidx=null parent=85T2R]
Mycale meridionalis
 - Mycale meridionalis Lévi, 1963 [SYNONYM SPECIES 2296:742RR nidx=null parent=44RTP]
 + Mycale meridionalis Lévi, 1963 [SYNONYM SPECIES 2298:84ZC3 nidx=null parent=85T3Q]
Mycale microxea
 - Mycale microxea Vacelet, Vasseur & Lévi, 1976 [SYNONYM SPECIES 2296:44S6F nidx=null parent=44RVT]
 + Mycale microxea Vacelet, Vasseur & Lévi, 1976 [SYNONYM SPECIES 2298:84ZC4 nidx=null parent=85T3X]
Mycale militaris
 - Mycale militaris Annandale, 1914 [SYNONYM SPECIES 2296:44S6G nidx=null parent=44RTQ]
 + Mycale militaris Annandale, 1914 [SYNONYM SPECIES 2298:84ZC5 nidx=null parent=85T2S]
Mycale moluccensis var. dichela
 - Mycale moluccensis var. dichela Hentschel, 1911 [SYNONYM VARIETY 2296:7LY4Z nidx=null parent=44RZM]
 + Mycale moluccensis var. dichela Hentschel, 1911 [SYNONYM VARIETY 2298:852VK nidx=null parent=44RZT]
Mycale monanchorata
 - Mycale monanchorata Burton & Rao, 1932 [SYNONYM SPECIES 2296:44S6N nidx=null parent=44RY2]
 + Mycale monanchorata Burton & Rao, 1932 [SYNONYM SPECIES 2298:84ZC6 nidx=null parent=85T2D]
Mycale multisclera
 - Mycale multisclera Pulitzer-Finali, 1993 [ACCEPTED SPECIES 2296:44S6Q nidx=null]
 + Mycale multisclera Pulitzer-Finali, 1993 [SYNONYM SPECIES 2298:84ZC7 nidx=null parent=85T3R]
Mycale ochotensis
 - Mycale ochotensis Koltun, 1959 [ACCEPTED SPECIES 2296:44S6Y nidx=null]
 + Mycale ochotensis Koltun, 1959 [SYNONYM SPECIES 2298:84ZC8 nidx=null parent=85T3S]
Mycale ovulum
 - Mycale ovulum (Schmidt, 1870) [SYNONYM SPECIES 2296:44S6Z nidx=null parent=D32W]
 + Mycale ovulum (Schmidt, 1870) [SYNONYM SPECIES 2298:84XPJ nidx=null parent=85SN3]
Mycale parasitica
 - Mycale parasitica (Carter, 1885) [SYNONYM SPECIES 2296:44S75 nidx=null parent=44RWQ]
 + Mycale parasitica (Carter, 1885) [SYNONYM SPECIES 2298:84ZC9 nidx=null parent=44RWL]
Mycale pellucida
 - Mycale pellucida (Ridley, 1884) [SYNONYM SPECIES 2296:44S7B nidx=null parent=44RTV]
 + Mycale pellucida (Ridley, 1884) [SYNONYM SPECIES 2298:84ZCB nidx=null parent=73QRS]
Mycale profunda
 - Mycale profunda Koltun, 1964 [ACCEPTED SPECIES 2296:44S7K nidx=null]
 + Mycale profunda Koltun, 1964 [SYNONYM SPECIES 2298:84ZCC nidx=null parent=85T3T]
Mycale radiosa
 - Mycale radiosa (Bowerbank, 1876) [ACCEPTED SPECIES 2296:44S7Q nidx=null]
 + Mycale radiosa (Bowerbank, 1876) [SYNONYM SPECIES 2298:84ZCD nidx=null parent=44S29]
Mycale rara
 - Mycale rara (Dendy, 1896) [SYNONYM SPECIES 2296:44S7T nidx=null parent=44RY9]
 + Mycale rara (Dendy, 1896) [SYNONYM SPECIES 2298:84ZCF nidx=null parent=85T2F]
Mycale relicta
 - Mycale relicta Annandale, 1924 [ACCEPTED SPECIES 2296:6RQS2 nidx=null]
 + Mycale relicta Annandale, 1924 [SYNONYM SPECIES 2298:84ZCG nidx=null parent=85T2V]
Mycale rhaphidotoxa
 - Mycale rhaphidotoxa Hentschel, 1912 [SYNONYM SPECIES 2296:44S7X nidx=null parent=73R3S]
 + Mycale rhaphidotoxa Hentschel, 1912 [SYNONYM SPECIES 2298:84ZCH nidx=null parent=85T2W]
Mycale setosa
 - Mycale setosa (Keller, 1889) [SYNONYM SPECIES 2296:6RQRQ nidx=null parent=6S345]
 + Mycale setosa [SYNONYM SPECIES 2298:84ZCJ nidx=null parent=85T2D]
Mycale stolonifera
 - Mycale stolonifera (Merejkowski, 1878) [SYNONYM SPECIES 2296:44S8J nidx=null parent=D32W]
 + Mycale stolonifera (Merejkowski, 1878) [SYNONYM SPECIES 2298:84ZCK nidx=null parent=85SN3]
Mycale sulcata
 - Mycale sulcata Hentschel, 1911 [SYNONYM SPECIES 2296:44S8M nidx=null parent=44RYD]
 + Mycale sulcata Hentschel, 1911 [SYNONYM SPECIES 2298:84ZCL nidx=null parent=44RX9]
Mycale sulcata var. aruensis
 - Mycale sulcata var. aruensis Hentschel, 1912 [SYNONYM VARIETY 2296:5Q82W nidx=null parent=44RX3]
 + Mycale sulcata var. aruensis Hentschel, 1912 [SYNONYM VARIETY 2298:852VL nidx=null parent=44RX9]
Mycale sulcata var. minor
 - Mycale sulcata var. minor Hentschel, 1911 [SYNONYM VARIETY 2296:5Q82X nidx=null parent=44RYD]
 + Mycale sulcata var. minor Hentschel, 1911 [SYNONYM VARIETY 2298:852VM nidx=null parent=44RX9]
Mycale tenuis
 - Mycale tenuis Sarà, 1978 [ACCEPTED SPECIES 2296:44S8S nidx=null]
 + Mycale tenuis Sarà, 1978 [SYNONYM SPECIES 2298:84ZCM nidx=null parent=85T2Z]
Mycale tenuispiculata
 - Mycale tenuispiculata (Dendy, 1905) [SYNONYM SPECIES 2296:6RR42 nidx=null parent=44RWF]
 + Mycale tenuispiculata (Dendy, 1905) [SYNONYM SPECIES 2298:84ZCN nidx=null parent=85T2H]
Mycale textilis
 - Mycale textilis (Whitelegge, 1906) [ACCEPTED SPECIES 2296:44S8V nidx=null]
 + Mycale textilis (Whitelegge, 1906) [SYNONYM SPECIES 2298:84ZCP nidx=null parent=85T2B]
Mycale toxifera
 - Mycale toxifera (Lévi, 1963) [SYNONYM SPECIES 2296:44S93 nidx=null parent=44RZZ]
 + Mycale toxifera (Lévi, 1963) [AMBIGUOUS_SYNONYM SPECIES 2298:84ZCQ nidx=null parent=85T3Y]
Mycale trincomalensis
 - Mycale trincomalensis Rao, 1941 [SYNONYM SPECIES 2296:44S98 nidx=null parent=73QS5]
 + Mycale trincomalensis Rao, 1941 [SYNONYM SPECIES 2298:84ZCR nidx=null parent=85T2D]
Mycale tylostrongyla
 - Mycale tylostrongyla Pulitzer-Finali, 1982 [SYNONYM SPECIES 2296:44S9B nidx=null parent=6RR45]
 + Mycale tylostrongyla Pulitzer-Finali, 1982 [SYNONYM SPECIES 2298:84ZCS nidx=null parent=85T2D]
Mycale varpachovskii
 - Mycale varpachovskii (Swartschewsky, 1906) [ACCEPTED SPECIES 2296:44S9L nidx=null]
 + Mycale varpachovskii (Swartschewsky, 1906) [SYNONYM SPECIES 2298:84ZCT nidx=null parent=44RZ4]
Mycale vermistyla
 - Mycale vermistyla Li, 1986 [ACCEPTED SPECIES 2296:44S9M nidx=null]
 + Mycale vermistyla Li, 1986 [SYNONYM SPECIES 2298:84ZCV nidx=null parent=85T34]
Mycale waitei
 - Mycale waitei (Whitelegge, 1906) [ACCEPTED SPECIES 2296:44S9Q nidx=null]
 + Mycale waitei (Whitelegge, 1906) [SYNONYM SPECIES 2298:84ZCW nidx=null parent=85T2J]
Mycalecarmia monanchorata
 - Mycalecarmia monanchorata (Burton & Rao, 1932) [SYNONYM SPECIES 2296:6S342 nidx=null parent=44RY2]
 + Mycalecarmia monanchorata (Burton & Rao, 1932) [SYNONYM SPECIES 2298:84ZCX nidx=null parent=85T2D]
Mycalecarmia ovulum
 - Mycalecarmia ovulum (Schmidt, 1870) [SYNONYM SPECIES 2296:44S9V nidx=null parent=D32W]
 + Mycalecarmia ovulum (Schmidt, 1870) [SYNONYM SPECIES 2298:84XPK nidx=null parent=85SN3]
Mycalidae
 - Mycalidae [ACCEPTED FAMILY 2296:CZZ nidx=null]
 + Mycalidae Lundbeck, 1905 [ACCEPTED FAMILY 2298:84K8K nidx=null]
Mycedium
 - Mycedium [ACCEPTED GENUS 2296:5VZX nidx=null]
 + Mycedium Milne Edwards & Haime, 1851 [ACCEPTED GENUS 2298:84PKH nidx=null]
Myceliospongia
 - Myceliospongia [ACCEPTED GENUS 2296:5W23 nidx=null]
 + Myceliospongia Vacelet & Pérez, 1998 [ACCEPTED GENUS 2298:84PKL nidx=null]
Mycetophila nigricoxum
 - Mycetophila nigricoxum Zetterstedt, 1852 [SYNONYM SPECIES 2296:44VBP nidx=null parent=386CN]
 + Mycetophila nigricoxum Zetterstedt, 1852 [SYNONYM SPECIES 2298:84ZD4 nidx=null parent=386CN]
Mycetophyllia
 - Mycetophyllia [ACCEPTED GENUS 2296:5W32 nidx=null]
 + Mycetophyllia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84PKN nidx=null]
Mydionobairdia
 - Mydionobairdia [ACCEPTED GENUS 2296:5W84 nidx=null]
 + Mydionobairdia Titterton & Whatley, 1988 [ACCEPTED GENUS 2298:84QDH nidx=null]
Mylitta
 - Mylitta [ACCEPTED GENUS 2296:5WBB nidx=null]
 + Mylitta Kinberg, 1866 [ACCEPTED GENUS 2298:84NPV nidx=null]
Myliusia
 - Myliusia [ACCEPTED GENUS 2296:5WBD nidx=null]
 + Myliusia Gray, 1859 [ACCEPTED GENUS 2298:84PKQ nidx=null]
Myodocopida
 - Myodocopida [ACCEPTED ORDER 2296:3LR nidx=null]
 + Myodocopida Sars, 1866 [ACCEPTED ORDER 2298:84JQJ nidx=null]
Myorhynchonemertes
 - Myorhynchonemertes [ACCEPTED GENUS 2296:5WFC nidx=null]
 + Myorhynchonemertes Senz, 1997 [ACCEPTED GENUS 2298:84QDL nidx=null]
Myoscolex
 - Myoscolex [ACCEPTED GENUS 2296:5WFM nidx=null]
 + Myoscolex Glaessner, 1979 [ACCEPTED GENUS 2298:84QDM nidx=null]
Myrcia cordiifolia
 - Myrcia cordiifolia DC. [ACCEPTED SPECIES 2296:4572R nidx=null]
 + Myrcia cordiifolia DC. [ACCEPTED SPECIES 2298:84Y4H nidx=null]
Myrena meridionalis
 - Myrena meridionalis (Mueller, 1908) Neale, 1967 [SYNONYM SPECIES 2296:4585P nidx=null parent=3RFG5]
 + Myrena meridionalis (Mueller, 1908) [ACCEPTED SPECIES 2298:84ZD8 nidx=null]
Myrianida
 - Myrianida [ACCEPTED GENUS 2296:5WHQ nidx=null]
 + Myrianida Milne Edwards, 1845 [ACCEPTED GENUS 2298:84PKR nidx=null]
Myrianida mediterranea
 - Myrianida mediterranea (Cognetti, 1953) [ACCEPTED SPECIES 2296:6S45X nidx=null]
 + Myrianida mediterranea (Cognetti, 1953) [SYNONYM SPECIES 2298:84ZD9 nidx=null parent=6S468]
Myriochele
 - Myriochele [ACCEPTED GENUS 2296:5WJC nidx=null]
 + Myriochele Malmgren, 1867 [ACCEPTED GENUS 2298:84PKT nidx=null]
Myriowenia
 - Myriowenia [ACCEPTED GENUS 2296:5WKJ nidx=null]
 + Myriowenia Hartman, 1960 [ACCEPTED GENUS 2298:84PKV nidx=null]
Myriozotisis
 - Myriozotisis [ACCEPTED GENUS 2296:5WKL nidx=null]
 + Myriozotisis Alderslade, 1998 [ACCEPTED GENUS 2298:84QDQ nidx=null]
Myrmekioderma
 - Myrmekioderma [ACCEPTED GENUS 2296:5WNQ nidx=null]
 + Myrmekioderma Ehlers, 1870 [ACCEPTED GENUS 2298:84PKW nidx=null]
Myrmekioderma granulata
 - Myrmekioderma granulata [SYNONYM SPECIES 2296:45BSN nidx=null parent=45BSM]
 + Myrmekioderma granulata (Esper, 1829) [SYNONYM SPECIES 2298:84XPS nidx=null parent=45BSM]
Myrothamnus moschatus
 - Myrothamnus moschatus (Baill.) Baill. [ACCEPTED SPECIES 2296:45D9Y nidx=null]
 + Myrothamnus moschatus (Baill.) Baill. [ACCEPTED SPECIES 2298:84Y4K nidx=null]
Myrtillus uliginosus
 - Myrtillus uliginosus (L.) Drejer [SYNONYM SPECIES 2296:744P7 nidx=null parent=5LQ4N]
 + Myrtillus uliginosus (L.) Drejer [SYNONYM SPECIES 2298:84Y4L nidx=null parent=5LQ4N]
Mysta
 - Mysta [ACCEPTED GENUS 2296:5WSW nidx=null]
 + Mysta Malmgren, 1865 [ACCEPTED GENUS 2298:84PKY nidx=null]
Mysta bistriata
 - Mysta bistriata (Uschakov, 1953) [ACCEPTED SPECIES 2296:45FHL nidx=null]
 + Mysta bistriata (Uschakov, 1953) [SYNONYM SPECIES 2298:84ZDC nidx=null parent=3BKQ9]
Mysta bistriata fuscodorsata
 - Mysta bistriata fuscodorsata (Uschakov, 1953) [ACCEPTED INFRASPECIFIC_NAME 2296:7HH85 nidx=null]
 + Mysta bistriata fuscodorsata (Uschakov, 1953) [SYNONYM SUBSPECIES 2298:852P9 nidx=null parent=3BKQ9]
Mysta papillifera
 - Mysta papillifera Théel, 1879 [ACCEPTED SPECIES 2296:45FHR nidx=null]
 + Mysta papillifera Théel, 1879 [SYNONYM SPECIES 2298:84ZDD nidx=null parent=45FHK]
Mystides
 - Mystides [ACCEPTED GENUS 2296:5WTR nidx=null]
 + Mystides Théel, 1879 [ACCEPTED GENUS 2298:84PKZ nidx=null]
Mystriocentrus
 - Mystriocentrus [ACCEPTED GENUS 2296:5WTX nidx=null]
 + Mystriocentrus Bird & Holdich, 1989 [ACCEPTED GENUS 2298:84QDX nidx=null]
Mytilidiphila
 - Mytilidiphila [ACCEPTED GENUS 2296:5WV3 nidx=null]
 + Mytilidiphila Miura & Hashimoto, 1993 [ACCEPTED GENUS 2298:84QDY nidx=null]
Myxicola
 - Myxicola [ACCEPTED GENUS 2296:5WVY nidx=null]
 + Myxicola Koch in Renier, 1847 [ACCEPTED GENUS 2298:84PL2 nidx=null]
Myxidiidae
 - Myxidiidae [ACCEPTED FAMILY 2296:D4N nidx=null]
 + Myxidiidae Thélohan, 1892 [ACCEPTED FAMILY 2298:84K8L nidx=null]
Myxidium
 - Myxidium [ACCEPTED GENUS 2296:5WVZ nidx=null]
 + Myxidium Buetschli, 1882 [ACCEPTED GENUS 2298:84PL3 nidx=null]
Myxidium sphaericum
 - Myxidium sphaericum Thélohan, 1895 [ACCEPTED SPECIES 2296:45GZC nidx=null]
 + Myxidium sphaericum Thélohan, 1895 [SYNONYM SPECIES 2298:84ZDG nidx=null parent=85L7Y]
Myxilla
 - Myxilla [ACCEPTED GENUS 2296:5WW2 nidx=null]
 - Myxilla [ACCEPTED SUBGENUS 2296:5WW3 nidx=null]
 + Myxilla Schmidt, 1862 [ACCEPTED GENUS 2298:84PL4 nidx=null]
Myxilla (Burtonanchora) lacunosa
 - Myxilla (Burtonanchora) lacunosa Lambe, 1893 [ACCEPTED SPECIES 2296:45GZN nidx=null]
 + Myxilla (Burtonanchora) lacunosa Lambe, 1893 [SYNONYM SPECIES 2298:84ZDH nidx=null parent=85HZ8]
Myxilla (Ectyomyxilla) ramosa
 - Myxilla (Ectyomyxilla) ramosa (Bergquist & Fromont, 1988) [ACCEPTED SPECIES 2296:45H28 nidx=null]
 + Myxilla (Ectyomyxilla) ramosa (Bergquist & Fromont, 1988) [SYNONYM SPECIES 2298:84ZDJ nidx=null parent=85T4M]
Myxilla (Myxilla) dendyi
 - Myxilla (Myxilla) dendyi Burton, 1959 [ACCEPTED SPECIES 2296:45H2N nidx=null]
 + Myxilla (Myxilla) dendyi Burton, 1959 [SYNONYM SPECIES 2298:84ZDK nidx=null parent=85T4P]
Myxilla (Myxilla) simplex
 - Myxilla (Myxilla) simplex (Baer, 1906) [SYNONYM SPECIES 2296:45H3T nidx=null parent=6QKSB]
 + Myxilla (Myxilla) simplex (Baer, 1906) [ACCEPTED SPECIES 2298:84ZDL nidx=null]
Myxilla (Styloptilon) anchorata
 - Myxilla (Styloptilon) anchorata (Bergquist & Fromont, 1988) [ACCEPTED SPECIES 2296:45H45 nidx=null]
 + Myxilla (Styloptilon) anchorata (Bergquist & Fromont, 1988) [SYNONYM SPECIES 2298:84ZDM nidx=null parent=85T4R]
Myxilla dendyi
 - Myxilla dendyi Burton, 1959 [AMBIGUOUS_SYNONYM SPECIES 2296:45H54 nidx=null parent=45H2N]
 + Myxilla dendyi Burton, 1959 [AMBIGUOUS_SYNONYM SPECIES 2298:84ZDN nidx=null parent=85T4P]
Myxilla lacunosa
 - Myxilla lacunosa Lambe, 1893 [SYNONYM SPECIES 2296:6S56X nidx=null parent=45GZN]
 + Myxilla lacunosa Lambe, 1893 [SYNONYM SPECIES 2298:84XPV nidx=null parent=85HZ8]
Myxilla mariana var. tylacantha
 - Myxilla mariana var. tylacantha Hentschel, 1914 [SYNONYM VARIETY 2296:5Q8XS nidx=null parent=5Q8XH]
 + Myxilla mariana var. tylacantha Hentschel, 1914 [SYNONYM VARIETY 2298:852VN nidx=null parent=85TCC]
Myxilla ramosa
 - Myxilla ramosa (Bergquist & Fromont, 1988) [SYNONYM SPECIES 2296:45H7D nidx=null parent=45H28]
 + Myxilla ramosa (Bergquist & Fromont, 1988) [AMBIGUOUS_SYNONYM SPECIES 2298:84ZDP nidx=null parent=85T4M]
Myxilla simplex
 - Myxilla simplex (Baer, 1906) [SYNONYM SPECIES 2296:45H7M nidx=null parent=6QKSB]
 + Myxilla simplex (Baer, 1906) [SYNONYM SPECIES 2298:84ZDQ nidx=null parent=84ZDL]
Myxillidae
 - Myxillidae [ACCEPTED FAMILY 2296:D4P nidx=null]
 + Myxillidae Dendy, 1922 [ACCEPTED FAMILY 2298:84K8M nidx=null]
Myxillodoryx
 - Myxillodoryx [ACCEPTED GENUS 2296:5WW4 nidx=null]
 + Myxillodoryx Aguilar-Camacho & Carballo, 2012 [ACCEPTED GENUS 2298:84QDZ nidx=null]
Myxobilatus
 - Myxobilatus [ACCEPTED GENUS 2296:5WW8 nidx=null]
 + Myxobilatus Davis, 1944 [ACCEPTED GENUS 2298:84QF2 nidx=null]
Myxobolidae
 - Myxobolidae [ACCEPTED FAMILY 2296:D4R nidx=null]
 + Myxobolidae Thélohan, 1892 [ACCEPTED FAMILY 2298:84K8N nidx=null]
Myxobolus
 - Myxobolus [ACCEPTED GENUS 2296:5WW9 nidx=null]
 + Myxobolus Bütschli, 1882 [ACCEPTED GENUS 2298:84PL5 nidx=null]
Myxodoryx
 - Myxodoryx [ACCEPTED GENUS 2296:5WWK nidx=null]
 + Myxodoryx Burton, 1929 [ACCEPTED GENUS 2298:84PL6 nidx=null]
Myxoproteus
 - Myxoproteus [ACCEPTED GENUS 2296:5WX2 nidx=null]
 + Myxoproteus Doflein, 1898 [ACCEPTED GENUS 2298:84QF3 nidx=null]
Myxosporea
 - Myxosporea [ACCEPTED CLASS 2296:F3 nidx=null]
 + Myxosporea Bütschli, 1881 [ACCEPTED SUBCLASS 2298:84JNR nidx=null]
Naenia gallica
 - Naenia gallica (Topsent, 1893) [SYNONYM SPECIES 2296:45K6X nidx=null parent=6L9JT]
 + Naenia gallica (Topsent, 1893) [SYNONYM SPECIES 2298:84ZDX nidx=null parent=84Y8C]
Naiades
 - Naiades [ACCEPTED GENUS 2296:5X4S nidx=null]
 + Naiades Delle Chiaje, 1830 [ACCEPTED GENUS 2298:84PL7 nidx=null]
Naiades cantarinii
 - Naiades cantarinii Delle Chiaje, 1830 [ACCEPTED SPECIES 2296:45KQH nidx=null]
 + Naiades cantarinii [auct. misspelling for 'cantrainii'] [SYNONYM SPECIES 2298:84ZDY nidx=null parent=45KQJ]
Naididae
 - Naididae [ACCEPTED FAMILY 2296:D57 nidx=null]
 + Naididae Ehrenberg, 1828 [ACCEPTED FAMILY 2298:84K8P nidx=null]
Naineris
 - Naineris [ACCEPTED GENUS 2296:5X4Y nidx=null]
 + Naineris Blainville, 1828 [ACCEPTED GENUS 2298:84PL8 nidx=null]
Naineris chilensis
 - Naineris chilensis Carrasco, 1977 [ACCEPTED SPECIES 2296:73SFP nidx=null]
 + Naineris chilensis Carrasco, 1977 [AMBIGUOUS_SYNONYM SPECIES 2298:84ZDZ nidx=null parent=85DZG]
 + Naineris chilensis Hartmann-Schröder, 1965 [ACCEPTED SPECIES 2298:84ZF2 nidx=null]
Naineris dendritica chilensis
 - Naineris dendritica chilensis Hartmann-Schröder, 1965 [ACCEPTED INFRASPECIFIC_NAME 2296:7HJ3R nidx=null]
 + Naineris dendritica chilensis Hartmann-Schröder, 1965 [SYNONYM SUBSPECIES 2298:852PB nidx=null parent=84ZF2]
Naineris grubei australis
 - Naineris grubei australis Hartman, 1957 [ACCEPTED INFRASPECIFIC_NAME 2296:7HJ43 nidx=null]
 + Naineris grubei australis Hartman, 1957 [SYNONYM SUBSPECIES 2298:852PC nidx=null parent=85DZF]
Nais menoni
 - Nais menoni Naidu, 1962 [ACCEPTED SPECIES 2296:45KTW nidx=null]
 + Nais menoni Naidu, 1962 [SYNONYM SPECIES 2298:84ZF3 nidx=null parent=85J4Q]
Najax solida
 - Najax solida Laubenfels, 1936 [SYNONYM SPECIES 2296:45L3K nidx=null parent=4ZRZT]
 + Najax solida Laubenfels, 1936 [SYNONYM SPECIES 2298:84ZF4 nidx=null parent=85T5P]
Nama undulatum
 - Nama undulatum A. Gray [AMBIGUOUS_SYNONYM SPECIES 2296:45LCP nidx=null parent=73SGQ]
 + Nama undulatum A. Gray [AMBIGUOUS_SYNONYM SPECIES 2298:84XQ9 nidx=null parent=73SGQ]
Namalycastis
 - Namalycastis [ACCEPTED GENUS 2296:5X6M nidx=null]
 + Namalycastis Hartman, 1959 [ACCEPTED GENUS 2298:84PLC nidx=null]
Namanereis
 - Namanereis [ACCEPTED GENUS 2296:5X6R nidx=null]
 + Namanereis Chamberlin, 1919 [ACCEPTED GENUS 2298:84PLD nidx=null]
Nanalcyon
 - Nanalcyon [ACCEPTED GENUS 2296:5X8W nidx=null]
 + Nanalcyon Imahara, 2013 [ACCEPTED GENUS 2298:84QFF nidx=null]
Nanipora
 - Nanipora [ACCEPTED GENUS 2296:63CGZ nidx=null]
 + Nanipora Miyazaki & Reimer, 2015 [ACCEPTED GENUS 2298:84QFG nidx=null]
Nannocythere
 - Nannocythere [ACCEPTED GENUS 2296:5XC8 nidx=null]
 + Nannocythere Schaefer, 1953 [ACCEPTED GENUS 2298:84QFH nidx=null]
Nannonemertes
 - Nannonemertes [ACCEPTED GENUS 2296:5XD6 nidx=null]
 + Nannonemertes Wheeler, 1936 [ACCEPTED GENUS 2298:84QFJ nidx=null]
Nanocoquimba
 - Nanocoquimba [ACCEPTED GENUS 2296:5XFM nidx=null]
 + Nanocoquimba Ohmert, 1968 [ACCEPTED GENUS 2298:84QFK nidx=null]
Nans
 - Nans [ACCEPTED GENUS 2296:63CJR nidx=null]
 + Nans Chamberlin, 1919 [ACCEPTED GENUS 2298:84QFL nidx=null]
Narapa
 - Narapa [ACCEPTED GENUS 2296:5XLL nidx=null]
 + Narapa Righi & Varela, 1983 [ACCEPTED GENUS 2298:84QFM nidx=null]
Narapidae
 - Narapidae [ACCEPTED FAMILY 2296:D69 nidx=null]
 + Narapidae Righi, 1983 [ACCEPTED FAMILY 2298:84K8Q nidx=null]
Nardoa pelagica
 - Nardoa pelagica Ridley, 1881 [SYNONYM SPECIES 2296:45PH6 nidx=null parent=3H86L]
 + Nardoa pelagica Ridley, 1881 [SYNONYM SPECIES 2298:84ZF5 nidx=null parent=85T9G]
Narella
 - Narella [ACCEPTED GENUS 2296:5XMH nidx=null]
 + Narella Gray, 1870 [ACCEPTED GENUS 2298:84PLK nidx=null]
Narelloides
 - Narelloides [ACCEPTED GENUS 2296:5XMK nidx=null]
 + Narelloides Cairns, 2012 [ACCEPTED GENUS 2298:84QFQ nidx=null]
Narrabeena
 - Narrabeena [ACCEPTED GENUS 2296:5XNT nidx=null]
 + Narrabeena Cook & Bergquist, 2002 [ACCEPTED GENUS 2298:84PLL nidx=null]
Nasoecia
 - Nasoecia [ACCEPTED GENUS 2296:5XQR nidx=null]
 + Nasoecia Chavtur & Angel, 2011 [ACCEPTED GENUS 2298:84QFR nidx=null]
Natonemertes
 - Natonemertes [ACCEPTED GENUS 2296:63DWM nidx=null]
 + Natonemertes Brinkmann, 1917 [ACCEPTED GENUS 2298:84QFS nidx=null]
Natopolynoe
 - Natopolynoe [ACCEPTED GENUS 2296:63DWL nidx=null]
 + Natopolynoe Pettibone, 1985 [ACCEPTED GENUS 2298:84QFT nidx=null]
Natsushima
 - Natsushima [ACCEPTED GENUS 2296:63DXF nidx=null]
 + Natsushima Miura & Laubier, 1990 [ACCEPTED GENUS 2298:84QFV nidx=null]
Nausithoe
 - Nausithoe [ACCEPTED GENUS 2296:5XW7 nidx=null]
 + Nausithoe Kölliker, 1853 [ACCEPTED GENUS 2298:84M6J nidx=null]
Nausithoidae
 - Nausithoidae [ACCEPTED FAMILY 2296:D6V nidx=null]
 + Nausithoidae Haeckel, 1880 [ACCEPTED FAMILY 2298:84K8R nidx=null]
Nautiliniella
 - Nautiliniella [ACCEPTED GENUS 2296:5XWJ nidx=null]
 + Nautiliniella Miura & Laubier, 1990 [ACCEPTED GENUS 2298:84QFW nidx=null]
Naviculina
 - Naviculina [ACCEPTED SUBGENUS 2296:63XN4 nidx=null]
 + Naviculina Katz, 1957 [ACCEPTED GENUS 2298:84T3S nidx=null]
Nealella
 - Nealella [ACCEPTED GENUS 2296:5XZN nidx=null]
 + Nealella Kornicker & Caraion, 1980 [ACCEPTED GENUS 2298:84QFX nidx=null]
Nealocythere
 - Nealocythere [ACCEPTED GENUS 2296:63DX7 nidx=null]
 + Nealocythere Schornikov, 1982 [ACCEPTED GENUS 2298:84QFY nidx=null]
Neamphius
 - Neamphius [ACCEPTED GENUS 2296:5Y25 nidx=null]
 + Neamphius Laubenfels, 1953 [ACCEPTED GENUS 2298:84PM3 nidx=null]
Neanthes
 - Neanthes [ACCEPTED GENUS 2296:5Y2H nidx=null]
 + Neanthes Kinberg, 1865 [ACCEPTED GENUS 2298:84PMD nidx=null]
Neanthes lighti
 - Neanthes lighti Hartman, 1938 [ACCEPTED SPECIES 2296:45Y52 nidx=null]
 + Neanthes lighti Hartman, 1938 [SYNONYM SPECIES 2298:84ZFC nidx=null parent=3JZBJ]
Neanthes seridentata
 - Neanthes seridentata Hartmann-Schröder, 1959 [ACCEPTED SPECIES 2296:45Y5Z nidx=null]
 + Neanthes seridentata Hartmann-Schröder, 1959 [SYNONYM SPECIES 2298:84ZFD nidx=null parent=7765J]
Nearocytherura
 - Nearocytherura [ACCEPTED GENUS 2296:5Y3L nidx=null]
 + Nearocytherura Ishizaki & Gunther, 1974 [ACCEPTED GENUS 2298:84QG2 nidx=null]
Nectiopoda
 - Nectiopoda [ACCEPTED ORDER 2296:3MM nidx=null]
 + Nectiopoda Schram, 1986 [ACCEPTED ORDER 2298:84JQL nidx=null]
Nectoneanthes
 - Nectoneanthes [ACCEPTED GENUS 2296:5Y7P nidx=null]
 + Nectoneanthes Imajima, 1972 [ACCEPTED GENUS 2298:84QG4 nidx=null]
Nectonemertes
 - Nectonemertes [ACCEPTED GENUS 2296:5Y7R nidx=null]
 + Nectonemertes Verrill, 1892 [ACCEPTED GENUS 2298:84PMN nidx=null]
Nectonemertes chavesi
 - Nectonemertes chavesi [SYNONYM SPECIES 2296:462V8 nidx=null parent=KF82]
 + Nectonemertes chavesi Joubin, 1906 [SYNONYM SPECIES 2298:84ZFH nidx=null parent=KF82]
Nectonemertes lobata
 - Nectonemertes lobata [SYNONYM SPECIES 2296:6S7HD nidx=null parent=KF87]
 + Nectonemertes lobata Joubin, 1906 [SYNONYM SPECIES 2298:84ZFJ nidx=null parent=KF87]
Nectonemertes major
 - Nectonemertes major Korotkevich, 1955 [ACCEPTED SPECIES 2296:462VG nidx=null]
 + Nectonemertes major (Korotkevich, 1955) [SYNONYM SPECIES 2298:84ZFK nidx=null parent=462VJ]
Nectonemertidae
 - Nectonemertidae [ACCEPTED FAMILY 2296:D7D nidx=null]
 + Nectonemertidae Verrill, 1892 [ACCEPTED FAMILY 2298:84K8S nidx=null]
Nectopantopoda
 - Nectopantopoda [ACCEPTED ORDER 2296:3MP nidx=null]
 + Nectopantopoda Bamber, 2007 [ACCEPTED ORDER 2298:84JW9 nidx=null]
Negombata
 - Negombata [ACCEPTED GENUS 2296:63DZH nidx=null]
 + Negombata Laubenfels, 1936 [ACCEPTED GENUS 2298:84PMR nidx=null]
Negombo
 - Negombo [ACCEPTED GENUS 2296:63DZG nidx=null]
 + Negombo Dendy, 1905 [ACCEPTED GENUS 2298:84PMT nidx=null]
Nellobia
 - Nellobia [ACCEPTED GENUS 2296:5YD2 nidx=null]
 + Nellobia Fisher, 1946 [ACCEPTED GENUS 2298:84PMX nidx=null]
Nematohamma
 - Nematohamma [ACCEPTED GENUS 2296:5YG6 nidx=null]
 + Nematohamma Brady & Norman, 1896 [ACCEPTED GENUS 2298:84QGH nidx=null]
Nematotanais
 - Nematotanais [ACCEPTED GENUS 2296:5YH7 nidx=null]
 + Nematotanais Bird & Holdich, 1985 [ACCEPTED GENUS 2298:84QGJ nidx=null]
Nemenzophyllia
 - Nemenzophyllia [ACCEPTED GENUS 2296:5YHN nidx=null]
 + Nemenzophyllia Hodgson & Ross, 1982 [ACCEPTED GENUS 2298:84PND nidx=null]
Nemertellina
 - Nemertellina [ACCEPTED GENUS 2296:5YHR nidx=null]
 + Nemertellina Friedrich, 1935 [ACCEPTED GENUS 2298:84QGL nidx=null]
Nemertellopsis
 - Nemertellopsis [ACCEPTED GENUS 2296:5YHS nidx=null]
 + Nemertellopsis Friedrich, 1935 [ACCEPTED GENUS 2298:84QGM nidx=null]
Nemertes
 - Nemertes [ACCEPTED GENUS 2296:5YHT nidx=null]
 + Nemertes Cuvier, 1817 [ACCEPTED GENUS 2298:84QGN nidx=null]
Nemertes (Nemertes) pulchra
 - Nemertes (Nemertes) pulchra [SYNONYM SPECIES 2296:467HY nidx=null parent=47H2T]
 + Nemertes (Nemertes) pulchra Johnston, 1837 [SYNONYM SPECIES 2298:84ZFN nidx=null parent=84XQW]
Nemertes hemprichii
 - Nemertes hemprichii [SYNONYM SPECIES 2296:467JZ nidx=null parent=68D67]
 + Nemertes hemprichii Ehrenberg, 1831 [SYNONYM SPECIES 2298:84ZFP nidx=null parent=68D67]
Nemertes lactiflorea
 - Nemertes lactiflorea [SYNONYM SPECIES 2296:467K7 nidx=null parent=D523]
 + Nemertes lactiflorea (Johnston, 1828) [SYNONYM SPECIES 2298:84ZFQ nidx=null parent=D523]
Nemertes melanocephala
 - Nemertes melanocephala [SYNONYM SPECIES 2296:467KB nidx=null parent=55SGQ]
 + Nemertes melanocephala (Johnston, 1837) [SYNONYM SPECIES 2298:84ZFR nidx=null parent=55SGQ]
Nemertes octoculata
 - Nemertes octoculata Keferstein, 1862 [SYNONYM SPECIES 2296:7474M nidx=null parent=3V2RM]
 + Nemertes octoculata (Johnston, 1828) [SYNONYM SPECIES 2298:84ZFS nidx=null parent=3V2RM]
Nemertes pulchra
 - Nemertes pulchra [SYNONYM SPECIES 2296:467KP nidx=null parent=47H2T]
 + Nemertes pulchra Johnston, 1837 [SYNONYM SPECIES 2298:84ZFT nidx=null parent=84XQW]
Nemertes quadrioculata
 - Nemertes quadrioculata [SYNONYM SPECIES 2296:467KR nidx=null parent=7BSKF]
 + Nemertes quadrioculata (Johnston, 1828) [SYNONYM SPECIES 2298:84ZFV nidx=null parent=7BSKF]
Nemertes spectabilis
 - Nemertes spectabilis [SYNONYM SPECIES 2296:467KZ nidx=null parent=6KFKQ]
 + Nemertes spectabilis (Rathe, 1799) [SYNONYM SPECIES 2298:84ZFW nidx=null parent=6KFKQ]
Nemertites
 - Nemertites [ACCEPTED GENUS 2296:5YHW nidx=null]
 + Nemertites MacLeay, 1839 [ACCEPTED GENUS 2298:84QGP nidx=null]
Nemertopsella
 - Nemertopsella [ACCEPTED GENUS 2296:5YHY nidx=null]
 + Nemertopsella Wheeler, 1940, not Friedrich, 1958 [ACCEPTED GENUS 2298:84QGQ nidx=null]
Nemertopsella actinophila
 - Nemertopsella actinophila [SYNONYM SPECIES 2296:6S74K nidx=null parent=6BM5X]
 + Nemertopsella actinophila (Bürger, 1904) [SYNONYM SPECIES 2298:84ZFX nidx=null parent=6BM5X]
Nemertopsis
 - Nemertopsis [ACCEPTED GENUS 2296:5YHZ nidx=null]
 + Nemertopsis Bürger, 1895 [ACCEPTED GENUS 2298:84PNG nidx=null]
Nemertopsis actinophila
 - Nemertopsis actinophila [SYNONYM SPECIES 2296:467NG nidx=null parent=6BM5X]
 + Nemertopsis actinophila Bürger, 1904 [SYNONYM SPECIES 2298:84ZFY nidx=null parent=6BM5X]
Nemertoscolex
 - Nemertoscolex [ACCEPTED GENUS 2296:5YJ2 nidx=null]
 + Nemertoscolex Greeff, 1879 [ACCEPTED GENUS 2298:84PNH nidx=null]
Nemertovema
 - Nemertovema [ACCEPTED GENUS 2296:5YJ3 nidx=null]
 + Nemertovema Chernyshev & Polyakova, 2018 [ACCEPTED GENUS 2298:84QGR nidx=null]
Nemidia antillicola chondrocladiae
 - Nemidia antillicola chondrocladiae (Fauvel, 1943) [SYNONYM SUBSPECIES 2296:7KF5P nidx=null parent=46QV5]
 + Nemidia antillicola chondrocladiae (Fauvel, 1943) [SYNONYM SUBSPECIES 2298:852RD nidx=null parent=85DZX]
Nemoceratina
 - Nemoceratina [ACCEPTED GENUS 2296:5YJT nidx=null]
 + Nemoceratina Gruendel & Kozur, 1971 [ACCEPTED GENUS 2298:84QGS nidx=null]
Nemopilema
 - Nemopilema [ACCEPTED GENUS 2296:5YKK nidx=null]
 + Nemopilema Kishinouye, 1922 [ACCEPTED GENUS 2298:84M6K nidx=null]
Neoamphitrite
 - Neoamphitrite [ACCEPTED GENUS 2296:5YP4 nidx=null]
 + Neoamphitrite Hessle, 1917 [ACCEPTED GENUS 2298:84PNP nidx=null]
Neoarmaueria
 - Neoarmaueria [ACCEPTED GENUS 2296:5YQF nidx=null]
 + Neoarmaueria Chernyshev, 1992 [ACCEPTED GENUS 2298:84QGW nidx=null]
Neoaulaxinia
 - Neoaulaxinia [ACCEPTED GENUS 2296:5YR4 nidx=null]
 + Neoaulaxinia Pisera & Lévi, 2002 [ACCEPTED GENUS 2298:84PNW nidx=null]
Neoaulocystis
 - Neoaulocystis [ACCEPTED GENUS 2296:5YR5 nidx=null]
 + Neoaulocystis Zhuravleva, 1962 [ACCEPTED GENUS 2298:84PNY nidx=null]
Neoaulocystis zittelli
 - Neoaulocystis zittelli (Marshall & Meyer, 1877) [SYNONYM SPECIES 2296:6S6PL nidx=null parent=746PM]
 + Neoaulocystis zittelli (Marshall & Meyer, 1877) [SYNONYM SPECIES 2298:84ZG6 nidx=null parent=746PM]
Neoaulocystis zittelli zittelli
 - Neoaulocystis zittelli zittelli (Marshall & Meyer, 1877) [SYNONYM SUBSPECIES 2296:7KF7F nidx=null parent=746PM]
 + Neoaulocystis zittelli zittelli (Marshall & Meyer, 1877) [SYNONYM SUBSPECIES 2298:852RF nidx=null parent=746PM]
Neobuntonia
 - Neobuntonia [ACCEPTED GENUS 2296:5YVH nidx=null]
 + Neobuntonia Hartmann, 1981 [ACCEPTED GENUS 2298:84QH4 nidx=null]
Neobylgides
 - Neobylgides [ACCEPTED GENUS 2296:5YVR nidx=null]
 + Neobylgides Pettibone, 1993 [ACCEPTED GENUS 2298:84QH5 nidx=null]
Neocaledoniella
 - Neocaledoniella [ACCEPTED GENUS 2296:5YW8 nidx=null]
 + Neocaledoniella Tabachnick & Lévi, 2004 [ACCEPTED GENUS 2298:84QH6 nidx=null]
Neocandona
 - Neocandona [ACCEPTED GENUS 2296:5YX4 nidx=null]
 + Neocandona Karanovic, 2005 [ACCEPTED GENUS 2298:84QH7 nidx=null]
Neocaudites
 - Neocaudites [ACCEPTED GENUS 2296:5YXX nidx=null]
 + Neocaudites Puri, 1960 [ACCEPTED GENUS 2298:84PPB nidx=null]
Neocopytus
 - Neocopytus [ACCEPTED GENUS 2296:63DSG nidx=null]
 + Neocopytus Kulkoyluoglu, Colin & Kiliç, 2007 [ACCEPTED GENUS 2298:84QH9 nidx=null]
Neocyprideis
 - Neocyprideis [ACCEPTED GENUS 2296:5Z8X nidx=null]
 + Neocyprideis Apostolescu, 1957 [ACCEPTED GENUS 2298:84QHH nidx=null]
Neocypridopsis
 - Neocypridopsis [ACCEPTED GENUS 2296:5Z8Y nidx=null]
 + Neocypridopsis Klie, 1940 [ACCEPTED GENUS 2298:84PPL nidx=null]
Neocythere
 - Neocythere [ACCEPTED GENUS 2296:5Z99 nidx=null]
 + Neocythere Mertens, 1956 [ACCEPTED GENUS 2298:84QHL nidx=null]
Neocytheretta
 - Neocytheretta [ACCEPTED GENUS 2296:63DRR nidx=null]
 + Neocytheretta Morkhoven, 1963 [ACCEPTED GENUS 2298:84QHM nidx=null]
Neocytherideididae
 - Neocytherideididae [ACCEPTED FAMILY 2296:D92 nidx=null]
 + Neocytherideididae Puri, 1957 [ACCEPTED FAMILY 2298:84K9H nidx=null]
Neocytherideis
 - Neocytherideis [ACCEPTED GENUS 2296:5Z9B nidx=null]
 + Neocytherideis Puri, 1952 [ACCEPTED GENUS 2298:84PPM nidx=null]
Neocytheromorpha
 - Neocytheromorpha [ACCEPTED GENUS 2296:5Z9C nidx=null]
 + Neocytheromorpha Guan, 1978 [ACCEPTED GENUS 2298:84QHN nidx=null]
Neodexiospira
 - Neodexiospira [ACCEPTED GENUS 2296:63DT4 nidx=null]
 + Neodexiospira Pillai, 1970 [ACCEPTED GENUS 2298:84PPN nidx=null]
Neoemplectonema
 - Neoemplectonema [ACCEPTED GENUS 2296:63DTY nidx=null]
 + Neoemplectonema Korotkevich, 1977 [ACCEPTED GENUS 2298:84QHS nidx=null]
Neoenchytraeus
 - Neoenchytraeus [ACCEPTED GENUS 2296:63DF2 nidx=null]
 + Neoenchytraeus Eisen, 1878 [ACCEPTED GENUS 2298:84QHT nidx=null]
Neofibularia
 - Neofibularia [ACCEPTED GENUS 2296:5ZG9 nidx=null]
 + Neofibularia Hechtel, 1965 [ACCEPTED GENUS 2298:84PPQ nidx=null]
Neogyptis
 - Neogyptis [ACCEPTED GENUS 2296:5ZKT nidx=null]
 + Neogyptis Pleijel, Rouse, Sundkvist & Nygren, 2012 [ACCEPTED GENUS 2298:84QHX nidx=null]
Neoheteromastus
 - Neoheteromastus [ACCEPTED GENUS 2296:63DGQ nidx=null]
 + Neoheteromastus Hartman, 1960 [ACCEPTED GENUS 2298:84PQ3 nidx=null]
Neohololepidella
 - Neohololepidella [ACCEPTED GENUS 2296:5ZNF nidx=null]
 + Neohololepidella Pettibone, 1969 [ACCEPTED GENUS 2298:84PQ6 nidx=null]
Neolagisca
 - Neolagisca [ACCEPTED GENUS 2296:5ZR6 nidx=null]
 + Neolagisca Barnich & Fiege, 2000 [ACCEPTED GENUS 2298:84QJ3 nidx=null]
Neoleanira
 - Neoleanira [ACCEPTED GENUS 2296:5ZS3 nidx=null]
 + Neoleanira Pettibone, 1970 [ACCEPTED GENUS 2298:84PQB nidx=null]
Neoleprea
 - Neoleprea [ACCEPTED GENUS 2296:5ZSW nidx=null]
 + Neoleprea Hessle, 1917 [ACCEPTED GENUS 2298:84PQD nidx=null]
Neoleptochelia
 - Neoleptochelia [ACCEPTED GENUS 2296:5ZT2 nidx=null]
 + Neoleptochelia Gutu, 2011 [ACCEPTED GENUS 2298:84QJ4 nidx=null]
Neolophocythere
 - Neolophocythere [ACCEPTED GENUS 2296:5ZV6 nidx=null]
 + Neolophocythere Grossman, 1967 [ACCEPTED GENUS 2298:84PQG nidx=null]
Neomediomastus
 - Neomediomastus [ACCEPTED GENUS 2296:5ZXF nidx=null]
 + Neomediomastus Hartman, 1969 [ACCEPTED GENUS 2298:84PQJ nidx=null]
Neomicrorbis
 - Neomicrorbis [ACCEPTED GENUS 2296:5ZZ2 nidx=null]
 + Neomicrorbis Rovereto, 1904 [ACCEPTED GENUS 2298:84QJ7 nidx=null]
Neomuelleriella
 - Neomuelleriella [ACCEPTED GENUS 2296:622K nidx=null]
 + Neomuelleriella Kornicker, 1986 [ACCEPTED GENUS 2298:84PQR nidx=null]
Neonais
 - Neonais [ACCEPTED GENUS 2296:623R nidx=null]
 + Neonais Sokolskaya, 1962 [ACCEPTED GENUS 2298:84PQW nidx=null]
Neonesidea
 - Neonesidea [ACCEPTED GENUS 2296:624L nidx=null]
 + Neonesidea Maddocks, 1969 [ACCEPTED GENUS 2298:84PQY nidx=null]
Neonesidea amygdaloides
 - Neonesidea amygdaloides (Brady, 1880) [SYNONYM SPECIES 2296:46NR3 nidx=null parent=68B5B]
 + Neonesidea amygdaloides (Brady, 1880) [ACCEPTED SPECIES 2298:84ZGF nidx=null]
Neonesidea attenuata
 - Neonesidea attenuata (Brady, 1880) [SYNONYM SPECIES 2296:46NR8 nidx=null parent=4D5Z2]
 + Neonesidea attenuata (Brady, 1880) [ACCEPTED SPECIES 2298:84XQL nidx=null]
Neonotomastus
 - Neonotomastus [ACCEPTED GENUS 2296:625H nidx=null]
 + Neonotomastus Fauchald, 1972 [ACCEPTED GENUS 2298:84PR2 nidx=null]
Neonymphon
 - Neonymphon [ACCEPTED GENUS 2296:63DJH nidx=null]
 + Neonymphon Stock, 1955 [ACCEPTED GENUS 2298:84PR5 nidx=null]
Neopaiwa
 - Neopaiwa [ACCEPTED GENUS 2296:626L nidx=null]
 + Neopaiwa Hartman & Fauchald, 1971 [ACCEPTED GENUS 2298:84PR6 nidx=null]
Neopallene
 - Neopallene [ACCEPTED GENUS 2296:626R nidx=null]
 + Neopallene Dohrn, 1881 [ACCEPTED GENUS 2298:84PR7 nidx=null]
Neopanthalis
 - Neopanthalis [ACCEPTED GENUS 2296:6275 nidx=null]
 + Neopanthalis Strelzov, 1968 [ACCEPTED GENUS 2298:84QJ9 nidx=null]
Neopellucistoma
 - Neopellucistoma [ACCEPTED GENUS 2296:628C nidx=null]
 + Neopellucistoma Ikeya & Hanai, 1982 [ACCEPTED GENUS 2298:84QJB nidx=null]
Neopelta
 - Neopelta [ACCEPTED GENUS 2296:628F nidx=null]
 + Neopelta Schmidt, 1880 [ACCEPTED GENUS 2298:84PR8 nidx=null]
Neopeltidae
 - Neopeltidae [ACCEPTED FAMILY 2296:62528 nidx=null]
 + Neopeltidae Sollas, 1888 [ACCEPTED FAMILY 2298:84K8V nidx=null]
Neopetitia
 - Neopetitia [ACCEPTED GENUS 2296:6298 nidx=null]
 + Neopetitia San Martín, 2003 [ACCEPTED GENUS 2298:84QJC nidx=null]
Neopetrosia
 - Neopetrosia [ACCEPTED GENUS 2296:629B nidx=null]
 + Neopetrosia de Laubenfels, 1949 [ACCEPTED GENUS 2298:84PRB nidx=null]
Neophrissospongia
 - Neophrissospongia [ACCEPTED GENUS 2296:63DM7 nidx=null]
 + Neophrissospongia Pisera & Lévi, 2002 [ACCEPTED GENUS 2298:84PRC nidx=null]
Neopodospongia
 - Neopodospongia [ACCEPTED GENUS 2296:62DN nidx=null]
 + Neopodospongia Sim-Smith & Kelly, 2011 [ACCEPTED GENUS 2298:84QJG nidx=null]
Neopolynoe
 - Neopolynoe [ACCEPTED GENUS 2296:62DV nidx=null]
 + Neopolynoe Loshamn, 1981 [ACCEPTED GENUS 2298:84QJH nidx=null]
Neopolynoe africana
 - Neopolynoe africana Kirkegaard, 2001 [SYNONYM SPECIES 2296:46QV6 nidx=null parent=46QV5]
 + Neopolynoe africana Kirkegaard, 2001 [SYNONYM SPECIES 2298:84ZGH nidx=null parent=85DZX]
Neopsammolyce
 - Neopsammolyce [ACCEPTED GENUS 2296:62FD nidx=null]
 + Neopsammolyce Pettibone, 1997 [ACCEPTED GENUS 2298:84QJK nidx=null]
Neopseudocapitella
 - Neopseudocapitella [ACCEPTED GENUS 2296:62FH nidx=null]
 + Neopseudocapitella Rullier & Amoureux, 1979 [ACCEPTED GENUS 2298:84QJL nidx=null]
Neosabellaria
 - Neosabellaria [ACCEPTED GENUS 2296:62KR nidx=null]
 + Neosabellaria Kirtley, 1994 [ACCEPTED GENUS 2298:84QJN nidx=null]
Neosabellides
 - Neosabellides [ACCEPTED GENUS 2296:62KS nidx=null]
 + Neosabellides Hessle, 1917 [ACCEPTED GENUS 2298:84PRS nidx=null]
Neosabellides elongatus
 - Neosabellides elongatus (Ehlers, 1912) [SYNONYM SPECIES 2296:46S5R nidx=null parent=CYQB]
 + Neosabellides elongatus (Ehlers, 1913) [ACCEPTED SPECIES 2298:84XQP nidx=null]
Neosamytha
 - Neosamytha [ACCEPTED GENUS 2296:62L2 nidx=null]
 + Neosamytha Hartman, 1967 [ACCEPTED GENUS 2298:84PRT nidx=null]
Neoschrammeniella
 - Neoschrammeniella [ACCEPTED GENUS 2296:62M6 nidx=null]
 + Neoschrammeniella Pisera & Lévi, 2002 [ACCEPTED GENUS 2298:84PRY nidx=null]
Neosemantis
 - Neosemantis [ACCEPTED GENUS 2296:62NB nidx=null]
 + Neosemantis Popofsky, 1913 [ACCEPTED GENUS 2298:84QJP nidx=null]
Neosinocythere
 - Neosinocythere [ACCEPTED GENUS 2296:62PC nidx=null]
 + Neosinocythere Huang, 1985 [ACCEPTED GENUS 2298:84QJQ nidx=null]
Neosiphonia
 - Neosiphonia [ACCEPTED GENUS 2296:62PF nidx=null]
 + Neosiphonia Sollas, 1888 [ACCEPTED GENUS 2298:84PS5 nidx=null]
Neospongodes
 - Neospongodes [ACCEPTED GENUS 2296:62QX nidx=null]
 + Neospongodes Kükenthal, 1903 [ACCEPTED GENUS 2298:84PS7 nidx=null]
Neotanaidae
 - Neotanaidae [ACCEPTED FAMILY 2296:626DN nidx=null]
 + Neotanaidae Lang, 1956 [ACCEPTED FAMILY 2298:84K8X nidx=null]
Neotanais
 - Neotanais [ACCEPTED GENUS 2296:62TB nidx=null]
 + Neotanais Beddard, 1886 [ACCEPTED GENUS 2298:84PSL nidx=null]
Neotanaoidea
 - Neotanaoidea [ACCEPTED SUPERFAMILY 2296:622MB nidx=null]
 + Neotanaoidea Sieg, 1980 [ACCEPTED SUPERFAMILY 2298:84JXV nidx=null]
Neotenotrocha
 - Neotenotrocha [ACCEPTED GENUS 2296:63FCX nidx=null]
 + Neotenotrocha Eibye-Jacobsen & Kristensen, 1994 [ACCEPTED GENUS 2298:84QJS nidx=null]
Neovermilia
 - Neovermilia [ACCEPTED GENUS 2296:6328 nidx=null]
 + Neovermilia Day, 1961 [ACCEPTED GENUS 2298:84PSV nidx=null]
Nephrodium latipinnum
 - Nephrodium latipinnum (Benth.) Baker [SYNONYM SPECIES 2296:46ZFJ nidx=null parent=5YGR6]
 + Nephrodium latipinnum (Benth.) Baker [SYNONYM SPECIES 2298:84ZGJ nidx=null parent=5YGR6]
Nephtheidae
 - Nephtheidae [ACCEPTED FAMILY 2296:DB2 nidx=null]
 + Nephtheidae Gray, 1862 [ACCEPTED FAMILY 2298:84K8Y nidx=null]
Nephthyigorgia
 - Nephthyigorgia [ACCEPTED GENUS 2296:638L nidx=null]
 + Nephthyigorgia Kükenthal, 1910 [ACCEPTED GENUS 2298:84QJT nidx=null]
Nephthys cornuta
 - Nephthys cornuta Berkeley & Berkeley, 1945 [SYNONYM SPECIES 2296:472V7 nidx=null parent=LVLG]
 + Nephthys cornuta Berkeley & Berkeley, 1945 [SYNONYM SPECIES 2298:84ZGN nidx=null parent=84Z6X]
Nephthys palatii
 - Nephthys palatii Gravier, 1904 [SYNONYM SPECIES 2296:472WP nidx=null parent=47322]
 + Nephthys palatii Gravier, 1904 [SYNONYM SPECIES 2298:84ZGP nidx=null parent=85DZ2]
Nephtyidae
 - Nephtyidae [ACCEPTED FAMILY 2296:DB3 nidx=null]
 + Nephtyidae Grube, 1850 [ACCEPTED FAMILY 2298:84K8Z nidx=null]
Nephtys
 - Nephtys [ACCEPTED GENUS 2296:638P nidx=null]
 + Nephtys Cuvier, 1817 [ACCEPTED GENUS 2298:84PT3 nidx=null]
Nephtys (Aglaophamus) ornatus
 - Nephtys (Aglaophamus) ornatus (Hartman, 1967) [SYNONYM SPECIES 2296:472Y5 nidx=null parent=5TRFB]
 + Nephtys (Aglaophamus) ornatus (Hartman, 1967) [SYNONYM SPECIES 2298:84ZGQ nidx=null parent=65RGK]
Nephtys cornuta
 - Nephtys cornuta Berkeley & Berkeley, 1945 [SYNONYM SPECIES 2296:748QJ nidx=null parent=LVLG]
 + Nephtys cornuta Berkeley & Berkeley, 1945 [SYNONYM SPECIES 2298:84XQR nidx=null parent=84Z6X]
Nephtys danida
 - Nephtys danida Nateewathana & Hylleberg, 1986 [SYNONYM SPECIES 2296:472YX nidx=null parent=LVLH]
 + Nephtys danida Nateewathana & Hylleberg, 1986 [SYNONYM SPECIES 2298:84ZGR nidx=null parent=84Z6Y]
Nephtys neotena
 - Nephtys neotena (Noyes, 1980) [SYNONYM SPECIES 2296:472ZX nidx=null parent=LVLJ]
 + Nephtys neotena (Noyes, 1980) [SYNONYM SPECIES 2298:84ZGS nidx=null parent=84Z6Z]
Nephtys palatii
 - Nephtys palatii Gravier, 1904 [ACCEPTED SPECIES 2296:47322 nidx=null]
 + Nephtys palatii Gravier, 1904 [SYNONYM SPECIES 2298:84ZGT nidx=null parent=85DZ2]
Nephtys sinensis
 - Nephtys sinensis Fauvel, 1932 [ACCEPTED SPECIES 2296:4732P nidx=null]
 + Nephtys sinensis Fauvel, 1932 [SYNONYM SPECIES 2298:84ZGV nidx=null parent=663GD]
Nepticula nigrobrunnella
 - Nepticula nigrobrunnella Groschke, 1939 [SYNONYM SPECIES 2296:473G3 nidx=null parent=52M5Z]
 + Nepticula nigrobrunnella Groschke, 1939 [SYNONYM SPECIES 2298:84ZGW nidx=null parent=52M5Z]
Nereididae
 - Nereididae [ACCEPTED FAMILY 2296:DB8 nidx=null]
 + Nereididae Blainville, 1818 [ACCEPTED FAMILY 2298:84K92 nidx=null]
Nereigenys
 - Nereigenys [ACCEPTED GENUS 2296:63FH5 nidx=null]
 + Nereigenys Ottone, 1988 [ACCEPTED GENUS 2298:84QJV nidx=null]
Nereilinum
 - Nereilinum [ACCEPTED GENUS 2296:63FGW nidx=null]
 + Nereilinum Ivanov, 1961 [ACCEPTED GENUS 2298:84PT6 nidx=null]
Nereimyra
 - Nereimyra [ACCEPTED GENUS 2296:63FH8 nidx=null]
 + Nereimyra Blainville, 1828 [ACCEPTED GENUS 2298:84PT7 nidx=null]
Nereiphylla
 - Nereiphylla [ACCEPTED GENUS 2296:63FGX nidx=null]
 + Nereiphylla Blainville, 1828 [ACCEPTED GENUS 2298:84PT8 nidx=null]
Nereis
 - Nereis [ACCEPTED GENUS 2296:63FGZ nidx=null]
 + Nereis Linnaeus, 1758 [ACCEPTED GENUS 2298:84PT9 nidx=null]
Nereis (Leptonereis) distorta
 - Nereis (Leptonereis) distorta Treadwell, 1936 [ACCEPTED SPECIES 2296:474CY nidx=null]
 + Nereis (Leptonereis) distorta Treadwell, 1936 [SYNONYM SPECIES 2298:84ZGX nidx=null parent=85FKG]
Nereis (Lycoris) larseni
 - Nereis (Lycoris) larseni Monro, 1926 [SYNONYM SPECIES 2296:474DG nidx=null parent=6RTNQ]
 + Nereis (Lycoris) larseni Monro, 1926 [SYNONYM SPECIES 2298:84ZGY nidx=null parent=45Y4V]
Nereis (Lycoris) trifasciata vandersandi
 - Nereis (Lycoris) trifasciata vandersandi Horst, 1924 [SYNONYM SUBSPECIES 2296:5JW37 nidx=null parent=7HHWK]
 + Nereis (Lycoris) trifasciata vandersandi Horst, 1924 [SYNONYM SUBSPECIES 2298:852RG nidx=null parent=85FM9]
Nereis (Neanthes) micromma
 - Nereis (Neanthes) micromma Harper, 1979 [ACCEPTED SPECIES 2296:6S8RF nidx=null]
 + Nereis (Neanthes) micromma Harper, 1979 [SYNONYM SPECIES 2298:84ZGZ nidx=null parent=84XQC]
Nereis (Neanthes) mossambica
 - Nereis (Neanthes) mossambica Day, 1957 [ACCEPTED SPECIES 2296:73WRF nidx=null]
 + Nereis (Neanthes) mossambica Day, 1957 [SYNONYM SPECIES 2298:84ZH2 nidx=null parent=85DZR]
Nereis (Platynereis) dumerilii
 - Nereis (Platynereis) dumerilii [SYNONYM SPECIES 2296:474FX nidx=null parent=4JT63]
 + Nereis (Platynereis) dumerilii Audouin & Milne Edwards, 1833 [SYNONYM SPECIES 2298:84ZH3 nidx=null parent=4JT63]
Nereis cylindraria capensis
 - Nereis cylindraria capensis Pallas, 1766 [SYNONYM SUBSPECIES 2296:5JW3D nidx=null parent=75VKL]
 + Nereis cylindraria capensis Pallas, 1766 [SYNONYM SUBSPECIES 2298:852RH nidx=null parent=85DN6]
Nereis dyamusi
 - Nereis dyamusi Izuka, 1912 [SYNONYM SPECIES 2296:474LC nidx=null parent=BSN7]
 + Nereis dyamusi Izuka, 1912 [SYNONYM SPECIES 2298:84ZH4 nidx=null parent=85DMW]
Nereis ferox
 - Nereis ferox Hansen, 1882 [SYNONYM SPECIES 2296:474LZ nidx=null parent=4P4ZC]
 + Nereis ferox Hansen, 1882 [SYNONYM SPECIES 2298:84ZH5 nidx=null parent=85FBK]
Nereis gigantea
 - Nereis gigantea Linnaeus, 1767 [ACCEPTED SPECIES 2296:474MP nidx=null]
 + Nereis gigantea Linnaeus, 1758 [SYNONYM SPECIES 2298:84ZH6 nidx=null parent=3L2BQ]
Nereis lumbricalis
 - Nereis lumbricalis Blainville, 1825 [SYNONYM SPECIES 2296:474PZ nidx=null parent=6QQ8W]
 + Nereis lumbricalis Blainville, 1825 [SYNONYM SPECIES 2298:84ZH7 nidx=null parent=85DXR]
Nereis parabifida
 - Nereis parabifida Hutchings & Turvey, 1982 [ACCEPTED SPECIES 2296:474RZ nidx=null]
 + Nereis parabifida Hutchings & Turvey, 1982 [SYNONYM SPECIES 2298:84ZH8 nidx=null parent=474HX]
Nereis scolopendrina
 - Nereis scolopendrina Blainville, 1825 [ACCEPTED SPECIES 2296:6S8R8 nidx=null]
 + Nereis scolopendrina Blainville, 1825 [SYNONYM SPECIES 2298:84ZH9 nidx=null parent=85DXS]
Nereis uncinata
 - Nereis uncinata Ehlers, 1908 [SYNONYM SPECIES 2296:474VK nidx=null parent=6RTNQ]
 + Nereis uncinata Ehlers, 1908 [SYNONYM SPECIES 2298:84ZHC nidx=null parent=45Y4V]
Nereis variegata
 - Nereis variegata Renier, 1804 [ACCEPTED SPECIES 2296:474VR nidx=null]
 - Nereis variegata Ehlers, 1901 [AMBIGUOUS_SYNONYM SPECIES 2296:474VS nidx=null parent=4P4ZC]
 + Nereis variegata Grube, 1857 [SYNONYM SPECIES 2298:84ZHD nidx=null parent=4P4ZC]
Nerilla
 - Nerilla [ACCEPTED GENUS 2296:63B3 nidx=null]
 + Nerilla Schmidt, 1848 [ACCEPTED GENUS 2298:84PTB nidx=null]
Nerillidae
 - Nerillidae [ACCEPTED FAMILY 2296:DBB nidx=null]
 + Nerillidae Levinsen, 1883 [ACCEPTED FAMILY 2298:84K93 nidx=null]
Nerillidium
 - Nerillidium [ACCEPTED GENUS 2296:63B4 nidx=null]
 + Nerillidium Remane, 1925 [ACCEPTED GENUS 2298:84PTC nidx=null]
Nerillidopsis
 - Nerillidopsis [ACCEPTED GENUS 2296:63B5 nidx=null]
 + Nerillidopsis jouin, 1967 [ACCEPTED GENUS 2298:84PTD nidx=null]
Nerine cirratulus saipanensis
 - Nerine cirratulus saipanensis Hartman, 1954 [SYNONYM SUBSPECIES 2296:5JW3Q nidx=null parent=5F3B7]
 + Nerine cirratulus saipanensis Hartman, 1954 [SYNONYM SUBSPECIES 2298:852RJ nidx=null parent=85FMW]
Nerine foliosa occidentalis
 - Nerine foliosa occidentalis Hartman, 1961 [SYNONYM SUBSPECIES 2296:5JW3R nidx=null parent=5F3B5]
 + Nerine foliosa occidentalis Hartman, 1961 [SYNONYM SUBSPECIES 2298:852RK nidx=null parent=84ZJF]
Nesodrilus
 - Nesodrilus [ACCEPTED GENUS 2296:63F9Q nidx=null]
 + Nesodrilus Pinder & Brinkhurst, 1997 [ACCEPTED GENUS 2298:84QJX nidx=null]
Nesotanais
 - Nesotanais [ACCEPTED GENUS 2296:63LK nidx=null]
 + Nesotanais Shiino, 1968 [ACCEPTED GENUS 2298:84PTM nidx=null]
Nethea
 - Nethea [ACCEPTED GENUS 2296:63NL nidx=null]
 + Nethea Sollas, 1888 [ACCEPTED GENUS 2298:84QK7 nidx=null]
Netrostoma
 - Netrostoma [ACCEPTED GENUS 2296:63P4 nidx=null]
 + Netrostoma Schultze, 1898 [ACCEPTED GENUS 2298:84M6L nidx=null]
Neuronemertes
 - Neuronemertes [ACCEPTED GENUS 2296:63RY nidx=null]
 + Neuronemertes Coe, 1926 [ACCEPTED GENUS 2298:84QK8 nidx=null]
Nicella
 - Nicella [ACCEPTED GENUS 2296:63X3 nidx=null]
 + Nicella Gray, 1870 [ACCEPTED GENUS 2298:84PV3 nidx=null]
Nicidion
 - Nicidion [ACCEPTED GENUS 2296:63XX nidx=null]
 + Nicidion Kinberg, 1865 [ACCEPTED GENUS 2298:84QKD nidx=null]
Nicidion fuscafasciata
 - Nicidion fuscafasciata Treadwell, 1922 [SYNONYM SPECIES 2296:47CLP nidx=null parent=3CF6R]
 + Nicidion fuscafasciata Treadwell, 1922 [ACCEPTED SPECIES 2298:84ZHW nidx=null]
Nicola
 - Nicola [ACCEPTED GENUS 2296:63YD nidx=null]
 + Nicola Cóndor-Luján & Klautau, 2016 [ACCEPTED GENUS 2298:84QKF nidx=null]
Nicolea
 - Nicolea [ACCEPTED GENUS 2296:63YM nidx=null]
 + Nicolea Malmgren, 1866 [ACCEPTED GENUS 2298:84PV5 nidx=null]
Nicomache
 - Nicomache [ACCEPTED SUBGENUS 2296:63YV nidx=null]
 - Nicomache [ACCEPTED GENUS 2296:63YW nidx=null]
 + Nicomache Malmgren, 1865 [ACCEPTED GENUS 2298:84PV9 nidx=null]
Nicomache japonica
 - Nicomache japonica McIntosh, 1885 [ACCEPTED SPECIES 2296:47CVJ nidx=null]
 + Nicomache japonica McIntosh, 1885 [SYNONYM SPECIES 2298:84ZHX nidx=null parent=85DXK]
Nicon
 - Nicon [ACCEPTED GENUS 2296:63Z2 nidx=null]
 + Nicon Kinberg, 1865 [ACCEPTED GENUS 2298:84PVB nidx=null]
Nicon lackeyi
 - Nicon lackeyi Hartman, 1958 [SYNONYM SPECIES 2296:47CWX nidx=null parent=5234W]
 + Nicon lackeyi Hartman, 1958 [SYNONYM SPECIES 2298:84XQV nidx=null parent=85FG2]
Nicon sinica
 - Nicon sinica Wu & Sun, 1979 [ACCEPTED SPECIES 2296:47CX9 nidx=null]
 + Nicon sinica Wu & Sun, 1979 [SYNONYM SPECIES 2298:84ZHY nidx=null parent=6YR7M]
Nidalia
 - Nidalia [ACCEPTED GENUS 2296:63ZL nidx=null]
 + Nidalia Gray, 1835 [ACCEPTED GENUS 2298:84PVC nidx=null]
Nidaliidae
 - Nidaliidae [ACCEPTED FAMILY 2296:DC5 nidx=null]
 + Nidaliidae Gray, 1869 [ACCEPTED FAMILY 2298:84K94 nidx=null]
Nidaliopsis
 - Nidaliopsis [ACCEPTED GENUS 2296:63ZM nidx=null]
 + Nidaliopsis Kükenthal, 1906 [ACCEPTED GENUS 2298:84QKH nidx=null]
Nidificaria
 - Nidificaria [ACCEPTED GENUS 2296:63ZS nidx=null]
 + Nidificaria Knight-Jones, 1984 [ACCEPTED GENUS 2298:84PVF nidx=null]
Ninoe
 - Ninoe [ACCEPTED GENUS 2296:6483 nidx=null]
 + Ninoe Kinberg, 1865 [ACCEPTED GENUS 2298:84PVN nidx=null]
Niphates
 - Niphates [ACCEPTED GENUS 2296:649C nidx=null]
 + Niphates Duchassaing & Michelotti, 1864 [ACCEPTED GENUS 2298:84PVW nidx=null]
Niphatidae
 - Niphatidae [ACCEPTED FAMILY 2296:DCH nidx=null]
 + Niphatidae van Soest, 1980 [ACCEPTED FAMILY 2298:84K96 nidx=null]
Nippognathiopsis
 - Nippognathiopsis [ACCEPTED GENUS 2296:64B3 nidx=null]
 + Nippognathiopsis Błażewicz-Paszkowycz, Bamber & Jóźwiak, 2013 [ACCEPTED GENUS 2298:84QKM nidx=null]
Nipponnemertes
 - Nipponnemertes [ACCEPTED GENUS 2296:64C3 nidx=null]
 + Nipponnemertes Friedrich, 1968 [ACCEPTED GENUS 2298:84PVY nidx=null]
Nipponocythere
 - Nipponocythere [ACCEPTED GENUS 2296:64CG nidx=null]
 + Nipponocythere Ishizaki, 1971 [ACCEPTED GENUS 2298:84QKN nidx=null]
Nipponomicrura
 - Nipponomicrura [ACCEPTED GENUS 2296:64CR nidx=null]
 + Nipponomicrura Chernyshev, 1995 [ACCEPTED GENUS 2298:84QKQ nidx=null]
Niveotanaidae
 - Niveotanaidae [ACCEPTED FAMILY 2296:DCZ nidx=null]
 + Niveotanaidae Polz, 2005 [ACCEPTED FAMILY 2298:84K9K nidx=null]
Niveotanais
 - Niveotanais [ACCEPTED GENUS 2296:64J3 nidx=null]
 + Niveotanais Polz, 2005 [ACCEPTED GENUS 2298:84QKS nidx=null]
Noanelia
 - Noanelia [ACCEPTED GENUS 2296:64JS nidx=null]
 + Noanelia Desbruyères & Laubier, 1977 [ACCEPTED GENUS 2298:84QKT nidx=null]
Nodastrella
 - Nodastrella [ACCEPTED GENUS 2296:64LJ nidx=null]
 + Nodastrella Dohrmann, Göcke, Reed & Janussen, 2012 [ACCEPTED GENUS 2298:84QKV nidx=null]
Nodobythere
 - Nodobythere [ACCEPTED SUBGENUS 2296:64LZ nidx=null]
 - Nodobythere [ACCEPTED GENUS 2296:64M2 nidx=null]
 + Nodobythere Schornikov, 1981 [ACCEPTED GENUS 2298:84QKW nidx=null]
Nodoconcha
 - Nodoconcha [ACCEPTED GENUS 2296:64M9 nidx=null]
 + Nodoconcha Hartmann, 1989 [ACCEPTED GENUS 2298:84QKX nidx=null]
Nodocoquimba
 - Nodocoquimba [ACCEPTED GENUS 2296:63F88 nidx=null]
 + Nodocoquimba Hu & Tao, 2008 [ACCEPTED GENUS 2298:84QKY nidx=null]
Nogrobs
 - Nogrobs [ACCEPTED GENUS 2296:64P5 nidx=null]
 + Nogrobs Montfort, 1808 [ACCEPTED GENUS 2298:84QL2 nidx=null]
Nomlandia
 - Nomlandia [ACCEPTED GENUS 2296:64RF nidx=null]
 + Nomlandia Durham & Barnard, 1952 [ACCEPTED GENUS 2298:84PWC nidx=null]
Nonatus
 - Nonatus [ACCEPTED GENUS 2296:64S4 nidx=null]
 + Nonatus Amaral, 1980 [ACCEPTED GENUS 2298:84QL4 nidx=null]
Nonparahalosydna
 - Nonparahalosydna [ACCEPTED GENUS 2296:64SZ nidx=null]
 + Nonparahalosydna Uschakov, 1982 [ACCEPTED GENUS 2298:84QL5 nidx=null]
Nooralia
 - Nooralia [ACCEPTED GENUS 2296:64TH nidx=null]
 + Nooralia San Martín, 2002 [ACCEPTED GENUS 2298:84QL6 nidx=null]
Nootkadrilus
 - Nootkadrilus [ACCEPTED GENUS 2296:64TN nidx=null]
 + Nootkadrilus Baker, 1982 [ACCEPTED GENUS 2298:84PWF nidx=null]
Normanicythere
 - Normanicythere [ACCEPTED GENUS 2296:64VP nidx=null]
 + Normanicythere Neale, 1959 [ACCEPTED GENUS 2298:84PWN nidx=null]
Notacandona
 - Notacandona [ACCEPTED GENUS 2296:64Y6 nidx=null]
 + Notacandona Karanovic & Marmonier, 2003 [ACCEPTED GENUS 2298:84QL7 nidx=null]
Notalia picta
 - Notalia picta (Kinberg, 1866) [ACCEPTED SPECIES 2296:47RXB nidx=null]
 + Notalia picta (Kinberg, 1866) [SYNONYM SPECIES 2298:84ZJ5 nidx=null parent=84WMJ]
Notaulax
 - Notaulax [ACCEPTED GENUS 2296:64ZH nidx=null]
 + Notaulax Tauber, 1879 [ACCEPTED GENUS 2298:84PWP nidx=null]
Noteonemertes
 - Noteonemertes [ACCEPTED GENUS 2296:64ZY nidx=null]
 + Noteonemertes Gibson, 2002 [ACCEPTED GENUS 2298:84QL8 nidx=null]
Nothria
 - Nothria [ACCEPTED GENUS 2296:657K nidx=null]
 + Nothria Malmgren, 1867 [ACCEPTED GENUS 2298:84PWX nidx=null]
Nothrites
 - Nothrites [ACCEPTED GENUS 2296:657M nidx=null]
 + Nothrites Courtinat, 1998 [ACCEPTED GENUS 2298:84QLB nidx=null]
Notiophilus aestuans
 - Notiophilus aestuans Dejean, 1826 [ACCEPTED SPECIES 2296:6SBXC nidx=null]
 + Notiophilus aestuans Dejean, 1826 [ACCEPTED SPECIES 2298:84ZJ6 nidx=null]
Notisis
 - Notisis [ACCEPTED GENUS 2296:63GFB nidx=null]
 + Notisis Gravier, 1913 [ACCEPTED GENUS 2298:84QLC nidx=null]
Notocirrus
 - Notocirrus [ACCEPTED GENUS 2296:63GGL nidx=null]
 + Notocirrus Schmarda, 1861 [ACCEPTED GENUS 2298:84PX9 nidx=null]
Notocirrus tetraurus
 - Notocirrus tetraurus Schmarda, 1861 [SYNONYM SPECIES 2296:47VKP nidx=null parent=72PX8]
 + Notocirrus tetraurus Schmarda, 1861 [SYNONYM SPECIES 2298:84ZJ7 nidx=null parent=4VRR6]
Notocyathus
 - Notocyathus [ACCEPTED GENUS 2296:65C5 nidx=null]
 + Notocyathus Tenison-Woods, 1880 [ACCEPTED GENUS 2298:84PXC nidx=null]
Notodasus
 - Notodasus [ACCEPTED GENUS 2296:65CC nidx=null]
 + Notodasus Fauchald, 1972 [ACCEPTED GENUS 2298:84QLD nidx=null]
Notodromadidae
 - Notodromadidae [ACCEPTED FAMILY 2296:626FY nidx=null]
 + Notodromadidae Kaufmann, 1900 [ACCEPTED FAMILY 2298:84K99 nidx=null]
Notodysiferus
 - Notodysiferus [ACCEPTED GENUS 2296:65CW nidx=null]
 + Notodysiferus Alderslade, 2003 [ACCEPTED GENUS 2298:84QLF nidx=null]
Notogaeanemertes
 - Notogaeanemertes [ACCEPTED GENUS 2296:65D4 nidx=null]
 + Notogaeanemertes Riser, 1988 [ACCEPTED GENUS 2298:84QLG nidx=null]
Notomastus
 - Notomastus [ACCEPTED GENUS 2296:63GJR nidx=null]
 - Notomastus [ACCEPTED SUBGENUS 2296:63GK4 nidx=null]
 + Notomastus M. Sars, 1851 [ACCEPTED GENUS 2298:84PXK nidx=null]
Notomastus (Tremomastus) profundus
 - Notomastus (Tremomastus) profundus Eisig, 1887 [SYNONYM SPECIES 2296:47WQM nidx=null parent=47WRV]
 + Notomastus (Tremomastus) profundus Eisig, 1887 [SYNONYM SPECIES 2298:84ZJ8 nidx=null parent=47WRW]
Notomastus profondus
 - Notomastus profondus (Eisig, 1887) [ACCEPTED SPECIES 2296:47WRV nidx=null]
 + Notomastus profondus [auctt. misspelling] [SYNONYM SPECIES 2298:84ZJ9 nidx=null parent=47WRW]
Notophyllia
 - Notophyllia [ACCEPTED GENUS 2296:65GW nidx=null]
 + Notophyllia Dennant, 1899 [ACCEPTED GENUS 2298:84PXN nidx=null]
Notophyllum
 - Notophyllum [ACCEPTED GENUS 2296:65GX nidx=null]
 + Notophyllum Örsted, 1843 [ACCEPTED GENUS 2298:84PXQ nidx=null]
Notophyllum (Hesperophyllum) tectum
 - Notophyllum (Hesperophyllum) tectum (Chamberlin, 1919) [ACCEPTED SPECIES 2296:6SBFC nidx=null]
 + Notophyllum (Hesperophyllum) tectum (Chamberlin, 1919) [SYNONYM SPECIES 2298:84ZJB nidx=null parent=84XS8]
Notophyllum tectum
 - Notophyllum tectum (Chamberlin, 1919) [SYNONYM SPECIES 2296:47XQW nidx=null parent=6SBFC]
 + Notophyllum tectum (Chamberlin, 1919) [ACCEPTED SPECIES 2298:84XS8 nidx=null]
Notoproctus
 - Notoproctus [ACCEPTED GENUS 2296:65HS nidx=null]
 + Notoproctus Arwidsson, 1906 [ACCEPTED GENUS 2298:84PXS nidx=null]
Notoproctus oculatus arcticus
 - Notoproctus oculatus arcticus Arwidsson, 1906 [ACCEPTED INFRASPECIFIC_NAME 2296:7HKY6 nidx=null]
 + Notoproctus oculatus arcticus Arwidsson, 1906 [ACCEPTED SUBSPECIES 2298:84ZGC nidx=null]
Notopygos
 - Notopygos [ACCEPTED GENUS 2296:65JB nidx=null]
 + Notopygos Grube, 1855 [ACCEPTED GENUS 2298:84PXT nidx=null]
Notospermus
 - Notospermus [ACCEPTED GENUS 2296:65KD nidx=null]
 + Notospermus Huschke, 1829 [ACCEPTED GENUS 2298:84QLH nidx=null]
Nototanaidae
 - Nototanaidae [ACCEPTED FAMILY 2296:DF9 nidx=null]
 + Nototanaidae Sieg, 1976 [ACCEPTED FAMILY 2298:84K9B nidx=null]
Nototanais
 - Nototanais [ACCEPTED GENUS 2296:65KS nidx=null]
 + Nototanais Richardson, 1906 [ACCEPTED GENUS 2298:84PXW nidx=null]
Nototanoides
 - Nototanoides [ACCEPTED GENUS 2296:65KT nidx=null]
 + Nototanoides Sieg & Heard, 1985 [ACCEPTED GENUS 2298:84PXX nidx=null]
Novafabricia
 - Novafabricia [ACCEPTED GENUS 2296:65NC nidx=null]
 + Novafabricia Fitzhugh, 1990 [ACCEPTED GENUS 2298:84QLJ nidx=null]
Nu
 - Nu [ACCEPTED GENUS 2296:65RJ nidx=null]
 + Nu Bonifácio & Menot, 2018 [ACCEPTED GENUS 2298:84QLK nidx=null]
Nuberis
 - Nuberis [ACCEPTED GENUS 2296:65RY nidx=null]
 + Nuberis Bamber & Marshall, 2015 [ACCEPTED GENUS 2298:84QLL nidx=null]
Nuchalosyllis
 - Nuchalosyllis [ACCEPTED GENUS 2296:65SD nidx=null]
 + Nuchalosyllis Rullier & Amoureux, 1979 [ACCEPTED GENUS 2298:84QLN nidx=null]
Nucleotethya
 - Nucleotethya [ACCEPTED GENUS 2296:65SZ nidx=null]
 + Nucleotethya Sarà & Bavestrello, 1996 [ACCEPTED GENUS 2298:84PY3 nidx=null]
Nudisyllis
 - Nudisyllis [ACCEPTED GENUS 2296:65TW nidx=null]
 + Nudisyllis Knox & Cameron, 1970 [ACCEPTED GENUS 2298:84QLP nidx=null]
Nudospongilla
 - Nudospongilla [ACCEPTED GENUS 2296:63FZ7 nidx=null]
 + Nudospongilla Annandale, 1918 [ACCEPTED GENUS 2298:84PY4 nidx=null]
Numbakulla
 - Numbakulla [ACCEPTED GENUS 2296:65V7 nidx=null]
 + Numbakulla Gutu & Heard, 2002 [ACCEPTED GENUS 2298:84QLR nidx=null]
Numbakullidae
 - Numbakullidae [ACCEPTED FAMILY 2296:626HJ nidx=null]
 + Numbakullidae Gutu & Heard, 2002 [ACCEPTED FAMILY 2298:84K9L nidx=null]
Nunana
 - Nunana [ACCEPTED GENUS 2296:65VW nidx=null]
 + Nunana McKenzie, Reyment & Reyment, 1993 [ACCEPTED GENUS 2298:84QLT nidx=null]
Nymphoides lacunosum
 - Nymphoides lacunosum (Vent.) Fernald [SYNONYM SPECIES 2296:486QN nidx=null parent=486PL]
 + Nymphoides lacunosum (Vent.) Fernald [SYNONYM SPECIES 2298:84XSD nidx=null parent=486PL]
Nymphoides orbiculatum
 - Nymphoides orbiculatum (G. Don) Kuntze [SYNONYM SPECIES 2296:486R3 nidx=null parent=486QL]
 + Nymphoides orbiculatum (G. Don) Kuntze [SYNONYM SPECIES 2298:84Y5G nidx=null parent=486QL]
Nymphoides peltatum
 - Nymphoides peltatum (S. G. Gmel.) Britten & Rendle [SYNONYM SPECIES 2296:486R6 nidx=null parent=486R7]
 + Nymphoides peltatum (S. G. Gmel.) Britten & Rendle [SYNONYM SPECIES 2298:84K4C nidx=null parent=486R7]
Nymphon
 - Nymphon [ACCEPTED GENUS 2296:664J nidx=null]
 + Nymphon Fabricius, 1794 [ACCEPTED GENUS 2298:84PYB nidx=null]
Nymphon nakamurai
 - Nymphon nakamurai Stock, 1994 [ACCEPTED SPECIES 2296:6SCS7 nidx=null]
 + Nymphon nakamurai Munilla & Soler-Membrives, 2015 [ACCEPTED SPECIES 2298:84XSK nidx=null]
Nymphonella
 - Nymphonella [ACCEPTED GENUS 2296:664K nidx=null]
 + Nymphonella Ohshima, 1927 [ACCEPTED GENUS 2298:84PYC nidx=null]
Nymphonidae
 - Nymphonidae [ACCEPTED FAMILY 2296:DGF nidx=null]
 + Nymphonidae Wilson, 1878 [ACCEPTED FAMILY 2298:84K9C nidx=null]
Nymphonoidea
 - Nymphonoidea [ACCEPTED SUPERFAMILY 2296:622MX nidx=null]
 + Nymphonoidea Pocock, 1904 [ACCEPTED SUPERFAMILY 2298:84JSG nidx=null]
Nymphopsis
 - Nymphopsis [ACCEPTED GENUS 2296:664M nidx=null]
 + Nymphopsis Haswell, 1884 [ACCEPTED GENUS 2298:84PYD nidx=null]
Oahutanais
 - Oahutanais [ACCEPTED GENUS 2296:666T nidx=null]
 + Oahutanais Morales-Núñez, Larsen & Cooke, 2016 [ACCEPTED GENUS 2298:84QM5 nidx=null]
Oasisia
 - Oasisia [ACCEPTED GENUS 2296:6676 nidx=null]
 + Oasisia Jones, 1985 [ACCEPTED GENUS 2298:84PYG nidx=null]
Obesostoma
 - Obesostoma [ACCEPTED GENUS 2296:668V nidx=null]
 + Obesostoma Schornikov, 1993 [ACCEPTED GENUS 2298:84QM7 nidx=null]
Obesutanais
 - Obesutanais [ACCEPTED GENUS 2296:6692 nidx=null]
 + Obesutanais Larsen, Blazewicz-Paszkowycz & Cunha, 2006 [ACCEPTED GENUS 2298:84QM8 nidx=null]
Oblitacythereis
 - Oblitacythereis [ACCEPTED GENUS 2296:669J nidx=null]
 + Oblitacythereis Benson, 1977 [ACCEPTED GENUS 2298:84QM9 nidx=null]
Oblongiprion
 - Oblongiprion [ACCEPTED GENUS 2296:669N nidx=null]
 + Oblongiprion Myanil & Zaslavskaya, 1985 [ACCEPTED GENUS 2298:84QMB nidx=null]
Obnemertes
 - Obnemertes [ACCEPTED GENUS 2296:669Q nidx=null]
 + Obnemertes Korotkevich, 1960 [ACCEPTED GENUS 2298:84QMC nidx=null]
Obscurapseudes
 - Obscurapseudes [ACCEPTED GENUS 2296:63FQP nidx=null]
 + Obscurapseudes Gutu, 2006 [ACCEPTED GENUS 2298:84QMD nidx=null]
Obtusoecia
 - Obtusoecia [ACCEPTED GENUS 2296:66BB nidx=null]
 + Obtusoecia Martens, 1979 [ACCEPTED GENUS 2298:84PYJ nidx=null]
Obuergeria
 - Obuergeria [ACCEPTED GENUS 2296:63G35 nidx=null]
 + Obuergeria Corrêa, 1954 [ACCEPTED GENUS 2298:84QMF nidx=null]
Occultocythereis
 - Occultocythereis [ACCEPTED GENUS 2296:66CY nidx=null]
 + Occultocythereis Howe, 1951 [ACCEPTED GENUS 2298:84PYL nidx=null]
Oceanapia
 - Oceanapia [ACCEPTED GENUS 2296:66D3 nidx=null]
 + Oceanapia Norman, 1869 [ACCEPTED GENUS 2298:84PYM nidx=null]
Oceanapia fistulosa
 - Oceanapia fistulosa () [PROVISIONALLY_ACCEPTED SPECIES 2296:48BVQ nidx=null]
 + Oceanapia fistulosa () [AMBIGUOUS_SYNONYM SPECIES 2298:84ZJH nidx=null parent=85T5F]
Ochetostoma
 - Ochetostoma [ACCEPTED GENUS 2296:63FS3 nidx=null]
 + Ochetostoma Rüppell & Leuckart, 1828 [ACCEPTED GENUS 2298:84PYW nidx=null]
Ochridaspongia
 - Ochridaspongia [ACCEPTED GENUS 2296:63G3Q nidx=null]
 + Ochridaspongia Arndt, 1937 [ACCEPTED GENUS 2298:84QMH nidx=null]
Ocnerodrilidae
 - Ocnerodrilidae [ACCEPTED FAMILY 2296:DH3 nidx=null]
 + Ocnerodrilidae Beddard, 1891 [ACCEPTED FAMILY 2298:84K9D nidx=null]
Ocnerodrilus
 - Ocnerodrilus [ACCEPTED GENUS 2296:66KR nidx=null]
 + Ocnerodrilus Eisen, 1878 [ACCEPTED GENUS 2298:84PYY nidx=null]
Octobranchus
 - Octobranchus [ACCEPTED GENUS 2296:66ML nidx=null]
 + Octobranchus Marion & Bobretzky, 1875 [ACCEPTED GENUS 2298:84PZ3 nidx=null]
Octocapitella
 - Octocapitella [ACCEPTED GENUS 2296:66MN nidx=null]
 + Octocapitella Brown, 1987 [ACCEPTED GENUS 2298:84QML nidx=null]
Octochaetidae
 - Octochaetidae [ACCEPTED FAMILY 2296:DH8 nidx=null]
 + Octochaetidae Michaelsen, 1900 [ACCEPTED FAMILY 2298:84K9F nidx=null]
Octolasion
 - Octolasion [ACCEPTED GENUS 2296:66ND nidx=null]
 + Octolasion Örley, 1885 [ACCEPTED GENUS 2298:84PZ8 nidx=null]
Octomagelona
 - Octomagelona [ACCEPTED GENUS 2296:66NL nidx=null]
 + Octomagelona Aguirrezabalaga, Ceberio & Fiege, 2001 [ACCEPTED GENUS 2298:84QMM nidx=null]
Oculinidae
 - Oculinidae [ACCEPTED FAMILY 2296:DHG nidx=null]
 + Oculinidae Gray, 1847 [ACCEPTED FAMILY 2298:84K9G nidx=null]
Oculocytheropteron
 - Oculocytheropteron [ACCEPTED GENUS 2296:66QX nidx=null]
 + Oculocytheropteron Bate, 1972 [ACCEPTED GENUS 2298:84QMN nidx=null]
Odontites bocconi
 - Odontites bocconi Kotschy [SYNONYM SPECIES 2296:6SHC4 nidx=null parent=7KG6Z]
 + Odontites bocconi Kotschy [SYNONYM SPECIES 2298:84Y5K nidx=null parent=7KG6Z]
Odontosyllis
 - Odontosyllis [ACCEPTED GENUS 2296:672S nidx=null]
 + Odontosyllis Claparède, 1863 [ACCEPTED GENUS 2298:84Q23 nidx=null]
Oenone
 - Oenone [ACCEPTED GENUS 2296:63G67 nidx=null]
 + Oenone Lamarck, 1818 [ACCEPTED GENUS 2298:84NRW nidx=null]
Oenonidae
 - Oenonidae [ACCEPTED FAMILY 2296:DJM nidx=null]
 + Oenonidae Kinberg, 1865 [ACCEPTED FAMILY 2298:84K9J nidx=null]
Oenonites
 - Oenonites [ACCEPTED GENUS 2296:63FTX nidx=null]
 + Oenonites Hinde, 1879 [ACCEPTED GENUS 2298:84QMZ nidx=null]
Oerstedia
 - Oerstedia [ACCEPTED GENUS 2296:67B4 nidx=null]
 + Oerstedia Quatrefages, 1846 [ACCEPTED GENUS 2298:84Q2C nidx=null]
Oerstedia aurantiaca
 - Oerstedia aurantiaca [SYNONYM SPECIES 2296:48YDN nidx=null parent=4B85G]
 + Oerstedia aurantiaca du Plessis, 1891 [SYNONYM SPECIES 2298:84ZJN nidx=null parent=4B85G]
Oerstedia claparedii
 - Oerstedia claparedii [SYNONYM SPECIES 2296:48YDQ nidx=null parent=4B85M]
 + Oerstedia claparedii du Plessis, 1891 [SYNONYM SPECIES 2298:84ZJP nidx=null parent=4B85M]
Oerstedia russica
 - Oerstedia russica [SYNONYM SPECIES 2296:74JCJ nidx=null parent=6SJCH]
 + Oerstedia russica (Joubin, 1890) [SYNONYM SPECIES 2298:84ZJQ nidx=null parent=6SJCH]
Oerstedia unicolor
 - Oerstedia unicolor [SYNONYM SPECIES 2296:74JCF nidx=null parent=55SJK]
 + Oerstedia unicolor Hubrecht, 1879 [SYNONYM SPECIES 2298:84ZJR nidx=null parent=55SJK]
Oerstedia vittata
 - Oerstedia vittata [SYNONYM SPECIES 2296:74JCC nidx=null parent=55SJW]
 + Oerstedia vittata Hubrecht, 1879 [SYNONYM SPECIES 2298:84ZJS nidx=null parent=55SJW]
Oerstediella crassus
 - Oerstediella crassus [SYNONYM SPECIES 2296:48YF4 nidx=null parent=48YDS]
 + Oerstediella crassus Senz, 1993 [SYNONYM SPECIES 2298:84ZJT nidx=null parent=48YDS]
Oerstediella similiformis
 - Oerstediella similiformis [SYNONYM SPECIES 2296:48YF8 nidx=null parent=74JCH]
 + Oerstediella similiformis Friedrich, 1935 [SYNONYM SPECIES 2298:84ZJV nidx=null parent=74JCH]
Oerstediella tenuicollis
 - Oerstediella tenuicollis [SYNONYM SPECIES 2296:48YF9 nidx=null parent=74JCG]
 + Oerstediella tenuicollis Kirsteuer, 1963 [SYNONYM SPECIES 2298:84ZJW nidx=null parent=74JCG]
Oerstediidae
 - Oerstediidae [ACCEPTED FAMILY 2296:DJQ nidx=null]
 + Oerstediidae Chernyshev, 1993 [ACCEPTED FAMILY 2298:84K9P nidx=null]
Oertliella
 - Oertliella [ACCEPTED GENUS 2296:67B6 nidx=null]
 + Oertliella Pokorny, 1964 [ACCEPTED GENUS 2298:84QN2 nidx=null]
Ogleus
 - Ogleus [ACCEPTED GENUS 2296:67D9 nidx=null]
 + Ogleus Morales-Núñez & Heard, 2013 [ACCEPTED GENUS 2298:84QN3 nidx=null]
Ohridospongilla
 - Ohridospongilla [ACCEPTED GENUS 2296:67F5 nidx=null]
 + Ohridospongilla Gilbert & Hadzische, 1984 [ACCEPTED GENUS 2298:84Q2K nidx=null]
Okinawaella
 - Okinawaella [ACCEPTED GENUS 2296:67HS nidx=null]
 + Okinawaella Ruan & Hao (Yi-Chun) , 1988 [ACCEPTED GENUS 2298:84QN6 nidx=null]
Olavius
 - Olavius [ACCEPTED GENUS 2296:67JK nidx=null]
 + Olavius Erséus, 1984 [ACCEPTED GENUS 2298:84Q2M nidx=null]
Olavius alius
 - Olavius alius Erséus, 1984 [ACCEPTED SPECIES 2296:492HH nidx=null]
 + Olavius alius Erséus, 1984 [SYNONYM SPECIES 2298:84XV2 nidx=null parent=85JDN]
Olavius fredi
 - Olavius fredi Erséus, 1997 [ACCEPTED SPECIES 2296:492HX nidx=null]
 + Olavius fredi Erséus, 1997 [SYNONYM SPECIES 2298:84ZJX nidx=null parent=85JDM]
Olavius longissimus
 - Olavius longissimus (Giere, 1979) [ACCEPTED SPECIES 2296:74J4B nidx=null]
 + Olavius longissimus (Giere, 1979) [SYNONYM SPECIES 2298:84ZJY nidx=null parent=85JDP]
Olavius pravus
 - Olavius pravus Erséus, 1990 [ACCEPTED SPECIES 2296:492JN nidx=null]
 + Olavius pravus Erséus, 1990 [SYNONYM SPECIES 2298:84ZJZ nidx=null parent=85JDQ]
Olavius tantulus
 - Olavius tantulus Erséus, 1984 [ACCEPTED SPECIES 2296:492JW nidx=null]
 + Olavius tantulus Erséus, 1984 [SYNONYM SPECIES 2298:84ZK2 nidx=null parent=85JDR]
Olgalepidonotus
 - Olgalepidonotus [ACCEPTED GENUS 2296:67LN nidx=null]
 + Olgalepidonotus Pettibone, 1995 [ACCEPTED GENUS 2298:84QN9 nidx=null]
Olganereis
 - Olganereis [ACCEPTED GENUS 2296:67LP nidx=null]
 + Olganereis Hartmann-Schröder, 1977 [ACCEPTED GENUS 2298:84QNB nidx=null]
Oligobrachia
 - Oligobrachia [ACCEPTED GENUS 2296:63G7P nidx=null]
 + Oligobrachia Ivanov, 1957 [ACCEPTED GENUS 2298:84Q2T nidx=null]
Oligobregma
 - Oligobregma [ACCEPTED GENUS 2296:67MV nidx=null]
 + Oligobregma Kudenov & Blake, 1978 [ACCEPTED GENUS 2298:84Q2V nidx=null]
Oligodendrorhynchus
 - Oligodendrorhynchus [ACCEPTED GENUS 2296:67NT nidx=null]
 + Oligodendrorhynchus Fernández−Álvarez & Anadón, 2012 [ACCEPTED GENUS 2298:84QNC nidx=null]
Oligognathus
 - Oligognathus [ACCEPTED GENUS 2296:67P5 nidx=null]
 + Oligognathus Spengel, 1881 [ACCEPTED GENUS 2298:84Q2X nidx=null]
Olindagorgia
 - Olindagorgia [ACCEPTED GENUS 2296:67S3 nidx=null]
 + Olindagorgia Bayer, 1981 [ACCEPTED GENUS 2298:84QNF nidx=null]
Olokun
 - Olokun [ACCEPTED GENUS 2296:63FW9 nidx=null]
 + Olokun Jóźwiak & Błażewicz, 2017 [ACCEPTED GENUS 2298:84QNH nidx=null]
Omalium marginatus
 - Omalium marginatus Say, 1832 [SYNONYM SPECIES 2296:499W2 nidx=null parent=499W3]
 + Omalium marginatus Say, 1832 [SYNONYM SPECIES 2298:84ZK4 nidx=null parent=499W3]
Omasaria
 - Omasaria [ACCEPTED GENUS 2296:67X2 nidx=null]
 - Omasaria [ACCEPTED SUBGENUS 2296:67X3 nidx=null]
 + Omasaria Regenhardt, 1961 [ACCEPTED GENUS 2298:84QNL nidx=null]
Omatoplea
 - Omatoplea [ACCEPTED GENUS 2296:67X5 nidx=null]
 + Omatoplea Diesing, 1850 [ACCEPTED GENUS 2298:84QNM nidx=null]
Omatoplea pulchra
 - Omatoplea pulchra [SYNONYM SPECIES 2296:6SK6Z nidx=null parent=47H2T]
 + Omatoplea pulchra [SYNONYM SPECIES 2298:84ZK5 nidx=null parent=84XQW]
Omegasterope
 - Omegasterope [ACCEPTED GENUS 2296:67XM nidx=null]
 + Omegasterope Kornicker, 1981 [ACCEPTED GENUS 2298:84QNN nidx=null]
Ommatoplea ophiocephala
 - Ommatoplea ophiocephala [SYNONYM SPECIES 2296:74M53 nidx=null parent=39JVV]
 + Ommatoplea ophiocephala Schmarda, 1859 [SYNONYM SPECIES 2298:84ZK6 nidx=null parent=39JVV]
Ommatoplea pulchra
 - Ommatoplea pulchra [SYNONYM SPECIES 2296:6SLT2 nidx=null parent=47H2T]
 + Ommatoplea pulchra [SYNONYM SPECIES 2298:84ZK7 nidx=null parent=84XQW]
Omphalopomopsis
 - Omphalopomopsis [ACCEPTED GENUS 2296:684Z nidx=null]
 + Omphalopomopsis Saint-Joseph, 1894 [ACCEPTED GENUS 2298:84QNV nidx=null]
Oncosclera
 - Oncosclera [ACCEPTED GENUS 2296:689S nidx=null]
 + Oncosclera Volkmer-Ribeiro, 1970 [ACCEPTED GENUS 2298:84Q3S nidx=null]
Oncoscolex dicranochaetus
 - Oncoscolex dicranochaetus Schmarda, 1861 [SYNONYM SPECIES 2296:49JGL nidx=null parent=3MYQS]
 + Oncoscolex dicranochaetus Schmarda, 1861 [SYNONYM SPECIES 2298:84ZK9 nidx=null parent=85DSV]
Oncoscolex homochaetus
 - Oncoscolex homochaetus Schmarda, 1861 [SYNONYM SPECIES 2296:49JGM nidx=null parent=3MYQS]
 + Oncoscolex homochaetus Schmarda, 1861 [SYNONYM SPECIES 2298:84ZKB nidx=null parent=85DSW]
Onogorgia
 - Onogorgia [ACCEPTED GENUS 2296:68CR nidx=null]
 + Onogorgia Cairns & Bayer, 2009 [ACCEPTED GENUS 2298:84QNZ nidx=null]
Onosma strigosum
 - Onosma strigosum Kunth [AMBIGUOUS_SYNONYM SPECIES 2296:49M32 nidx=null parent=3VLJD]
 + Onosma strigosum Kunth [AMBIGUOUS_SYNONYM SPECIES 2298:84Y5N nidx=null parent=3VLJD]
Onotoa
 - Onotoa [ACCEPTED GENUS 2296:68DG nidx=null]
 + Onotoa de Laubenfels, 1955 [ACCEPTED GENUS 2298:84Q3X nidx=null]
Onuphidae
 - Onuphidae [ACCEPTED FAMILY 2296:DLT nidx=null]
 + Onuphidae Kinberg, 1865 [ACCEPTED FAMILY 2298:84K9M nidx=null]
Onuphis
 - Onuphis [ACCEPTED GENUS 2296:63FJR nidx=null]
 + Onuphis Audouin & Milne Edwards, 1833 [ACCEPTED GENUS 2298:84Q3Y nidx=null]
Onuphis segmentispadix
 - Onuphis segmentispadix Shisko, 1982 [ACCEPTED SPECIES 2296:49QLG nidx=null]
 + Onuphis segmentispadix Shisko, 1981 [SYNONYM SPECIES 2298:84ZKD nidx=null parent=44BPH]
Oopsacas
 - Oopsacas [ACCEPTED GENUS 2296:68KV nidx=null]
 + Oopsacas Topsent, 1927 [ACCEPTED GENUS 2298:84Q46 nidx=null]
Oorhynchus
 - Oorhynchus [ACCEPTED GENUS 2296:68L4 nidx=null]
 + Oorhynchus Hoek, 1881 [ACCEPTED GENUS 2298:84Q48 nidx=null]
Oparinisis
 - Oparinisis [ACCEPTED GENUS 2296:68ML nidx=null]
 + Oparinisis Alderslade, 1998 [ACCEPTED GENUS 2298:84QP9 nidx=null]
Ophelia
 - Ophelia [ACCEPTED GENUS 2296:68P6 nidx=null]
 + Ophelia Savigny, 1822 [ACCEPTED GENUS 2298:84Q4C nidx=null]
Ophelia contractata
 - Ophelia contractata Milne Edwards in Quatrefages, 1866 [SYNONYM SPECIES 2296:74NF3 nidx=null parent=74NFC]
 + Ophelia contractata [auct. misspelling for 'coarctata'] [SYNONYM SPECIES 2298:84ZKH nidx=null parent=74NFC]
Opheliidae
 - Opheliidae [ACCEPTED FAMILY 2296:DMD nidx=null]
 + Opheliidae Malmgren, 1867 [ACCEPTED FAMILY 2298:84K9N nidx=null]
Ophelina
 - Ophelina [ACCEPTED GENUS 2296:68P9 nidx=null]
 + Ophelina Örsted, 1843 [ACCEPTED GENUS 2298:84Q4D nidx=null]
Ophelina aulogaster
 - Ophelina aulogaster (Rathke, 1843) [ACCEPTED SPECIES 2296:74NHK nidx=null]
 + Ophelina aulogaster (Rathke, 1843) [SYNONYM SPECIES 2298:84XW5 nidx=null parent=74NHN]
Ophidiogorgia
 - Ophidiogorgia [ACCEPTED GENUS 2296:68Q9 nidx=null]
 + Ophidiogorgia Bayer, 1980 [ACCEPTED GENUS 2298:84QPF nidx=null]
Ophidonais
 - Ophidonais [ACCEPTED GENUS 2296:63FKF nidx=null]
 + Ophidonais Gervais, 1838 [ACCEPTED GENUS 2298:84Q4H nidx=null]
Ophiocephalus elisabethae
 - Ophiocephalus elisabethae [SYNONYM SPECIES 2296:6SP7P nidx=null parent=3BNYY]
 + Ophiocephalus elisabethae (McIntosh, 1873-1874) [SYNONYM SPECIES 2298:84ZKJ nidx=null parent=3BNYY]
Ophiocephalus elizabethae
 - Ophiocephalus elizabethae [SYNONYM SPECIES 2296:74P7P nidx=null parent=3BNYY]
 + Ophiocephalus elizabethae (McIntosh, 1873-1874) [SYNONYM SPECIES 2298:84ZKK nidx=null parent=3BNYY]
Ophiocephalus viridis
 - Ophiocephalus viridis [SYNONYM SPECIES 2296:49WBG nidx=null parent=6SDBC]
 + Ophiocephalus viridis (Quoy & Gaimard, 1833) [SYNONYM SPECIES 2298:84ZKL nidx=null parent=6SDBC]
Ophiodromus vittatus
 - Ophiodromus vittatus Sars, 1862 [SYNONYM SPECIES 2296:49X5W nidx=null parent=6TFGW]
 + Ophiodromus vittatus Sars, 1862 [SYNONYM SPECIES 2298:84ZKM nidx=null parent=75FJM]
Ophioglycera
 - Ophioglycera [ACCEPTED GENUS 2296:68T3 nidx=null]
 + Ophioglycera Verrill, 1885 [ACCEPTED GENUS 2298:84Q4K nidx=null]
Ophiraphidites
 - Ophiraphidites [ACCEPTED GENUS 2296:68YK nidx=null]
 + Ophiraphidites Carter, 1876 [ACCEPTED GENUS 2298:84QPL nidx=null]
Ophiuricola
 - Ophiuricola [ACCEPTED GENUS 2296:68Z7 nidx=null]
 + Ophiuricola Ludwig, 1905 [ACCEPTED GENUS 2298:84Q4S nidx=null]
Ophlitaspongia
 - Ophlitaspongia [ACCEPTED GENUS 2296:68ZF nidx=null]
 + Ophlitaspongia Bowerbank, 1866 [ACCEPTED GENUS 2298:84Q4T nidx=null]
Ophryotrocha
 - Ophryotrocha [ACCEPTED GENUS 2296:692D nidx=null]
 + Ophryotrocha Claparède & Mecznikow, 1869 [ACCEPTED GENUS 2298:84Q4V nidx=null]
Ophryotrocha minuta
 - Ophryotrocha minuta Levi, 1954 [ACCEPTED SPECIES 2296:75323 nidx=null]
 + Ophryotrocha minuta Lévi, 1954 [SYNONYM SPECIES 2298:84ZKN nidx=null parent=84TCS]
Ophthalmapseudes
 - Ophthalmapseudes [ACCEPTED GENUS 2296:692P nidx=null]
 + Ophthalmapseudes Glaessner, 1962 [ACCEPTED GENUS 2298:84Q4W nidx=null]
Ophthalmonoe
 - Ophthalmonoe [ACCEPTED GENUS 2296:6939 nidx=null]
 + Ophthalmonoe Petersen & Britayev, 1997 [ACCEPTED GENUS 2298:84QPM nidx=null]
Opisthodonta
 - Opisthodonta [ACCEPTED GENUS 2296:695K nidx=null]
 + Opisthodonta Langerhans, 1879 [ACCEPTED GENUS 2298:84Q4X nidx=null]
Opisthopista
 - Opisthopista [ACCEPTED GENUS 2296:6968 nidx=null]
 + Opisthopista Caullery, 1944 [ACCEPTED GENUS 2298:84QPN nidx=null]
Opisthosyllis
 - Opisthosyllis [ACCEPTED GENUS 2296:696R nidx=null]
 + Opisthosyllis Langerhans, 1879 [ACCEPTED GENUS 2298:84Q52 nidx=null]
Opistocysta
 - Opistocysta [ACCEPTED GENUS 2296:6978 nidx=null]
 + Opistocysta Černosvitov, 1936 [ACCEPTED GENUS 2298:84Q54 nidx=null]
Oplitaspongia flabellata
 - Oplitaspongia flabellata Topsent, 1916 [SYNONYM SPECIES 2296:74RS2 nidx=null parent=VS35]
 + Oplitaspongia flabellata [SYNONYM SPECIES 2298:84ZKS nidx=null parent=VS35]
Opsipedon
 - Opsipedon [ACCEPTED GENUS 2296:63FNM nidx=null]
 + Opsipedon Heer, 1865 [ACCEPTED GENUS 2298:84QPP nidx=null]
Orangaslia
 - Orangaslia [ACCEPTED GENUS 2296:69BT nidx=null]
 + Orangaslia Alderslade, 2001 [ACCEPTED GENUS 2298:84QPR nidx=null]
Orbicella
 - Orbicella [ACCEPTED GENUS 2296:69CX nidx=null]
 + Orbicella Dana, 1846 [ACCEPTED GENUS 2298:84QPS nidx=null]
Orbinia
 - Orbinia [ACCEPTED GENUS 2296:69DD nidx=null]
 + Orbinia Quatrefages, 1866 [ACCEPTED GENUS 2298:84Q5D nidx=null]
Orbiniella
 - Orbiniella [ACCEPTED GENUS 2296:63FPL nidx=null]
 + Orbiniella Day, 1954 [ACCEPTED GENUS 2298:84Q5F nidx=null]
Orbiniidae
 - Orbiniidae [ACCEPTED FAMILY 2296:DPF nidx=null]
 + Orbiniidae Hartman, 1942 [ACCEPTED FAMILY 2298:84K9Q nidx=null]
Origocandona
 - Origocandona [ACCEPTED GENUS 2296:69TD nidx=null]
 + Origocandona Karanovic, 2005 [ACCEPTED GENUS 2298:84QQ6 nidx=null]
Orina phakelloides
 - Orina phakelloides (Kirkpatrick, 1907) [SYNONYM SPECIES 2296:6SVCM nidx=null parent=439XD]
 + Orina phakelloides [SYNONYM SPECIES 2298:84ZKX nidx=null parent=439XD]
Orionina
 - Orionina [ACCEPTED GENUS 2296:63HGC nidx=null]
 + Orionina Puri, 1954 [ACCEPTED GENUS 2298:84Q62 nidx=null]
Orlikia
 - Orlikia [ACCEPTED GENUS 2296:69V7 nidx=null]
 + Orlikia Malyutin, 1993 [ACCEPTED GENUS 2298:84QQ7 nidx=null]
Orlovibairdia
 - Orlovibairdia [ACCEPTED GENUS 2296:69V9 nidx=null]
 + Orlovibairdia McKenzie, 1977 [ACCEPTED GENUS 2298:84QQ8 nidx=null]
Orlovibairdia fumata
 - Orlovibairdia fumata (Brady, 1890) [ACCEPTED SPECIES 2296:6T6XG nidx=null]
 + Orlovibairdia fumata (Brady, 1890) [SYNONYM SPECIES 2298:84ZKY nidx=null parent=DKPZ]
Ornatoleberis
 - Ornatoleberis [ACCEPTED GENUS 2296:69WJ nidx=null]
 + Ornatoleberis Keij, 1975 [ACCEPTED GENUS 2298:84QQ9 nidx=null]
Ornatovinea
 - Ornatovinea [ACCEPTED GENUS 2296:69WQ nidx=null]
 + Ornatovinea Lommerzheim, 1979 [ACCEPTED GENUS 2298:84QQB nidx=null]
Orochi
 - Orochi [ACCEPTED GENUS 2296:69Z5 nidx=null]
 + Orochi Reuscher, Fiege & Imajima, 2015 [ACCEPTED GENUS 2298:84QQC nidx=null]
Oropallene
 - Oropallene [ACCEPTED GENUS 2296:63HJY nidx=null]
 + Oropallene Schimkewitsch, 1930 [ACCEPTED GENUS 2298:84Q67 nidx=null]
Orstomisis
 - Orstomisis [ACCEPTED GENUS 2296:63HCD nidx=null]
 + Orstomisis Bayer, 1990 [ACCEPTED GENUS 2298:84QQD nidx=null]
Orthoconchoecia
 - Orthoconchoecia [ACCEPTED GENUS 2296:63GTK nidx=null]
 + Orthoconchoecia Granata & Caporiacco, 1949 [ACCEPTED GENUS 2298:84Q6H nidx=null]
Orthoconorca
 - Orthoconorca [ACCEPTED GENUS 2296:63H5K nidx=null]
 + Orthoconorca Jäger, 1983 [ACCEPTED GENUS 2298:84QQK nidx=null]
Ortholinea
 - Ortholinea [ACCEPTED GENUS 2296:63GVJ nidx=null]
 + Ortholinea Shulman, 1962 [ACCEPTED GENUS 2298:84QQM nidx=null]
Ortholineidae
 - Ortholineidae [ACCEPTED FAMILY 2296:DQS nidx=null]
 + Ortholineidae Lom & Noble, 1984 [ACCEPTED FAMILY 2298:84K9R nidx=null]
Orthopolycope
 - Orthopolycope [ACCEPTED GENUS 2296:63H7L nidx=null]
 + Orthopolycope Chavtur, 1981 [ACCEPTED GENUS 2298:84QQN nidx=null]
Orthoprionospio
 - Orthoprionospio [ACCEPTED GENUS 2296:63H7P nidx=null]
 + Orthoprionospio Blake & Kudenov, 1978 [ACCEPTED GENUS 2298:84QQP nidx=null]
Oscarella
 - Oscarella [ACCEPTED GENUS 2296:63GLL nidx=null]
 + Oscarella Vosmaer, 1884 [ACCEPTED GENUS 2298:84Q6Y nidx=null]
Oscarellidae
 - Oscarellidae [ACCEPTED FAMILY 2296:DR5 nidx=null]
 + Oscarellidae Lendenfeld, 1887 [ACCEPTED FAMILY 2298:84K9S nidx=null]
Osedax
 - Osedax [ACCEPTED GENUS 2296:63GMD nidx=null]
 + Osedax Rouse, Goffredi & Vrijenhoek, 2004 [ACCEPTED GENUS 2298:84QQR nidx=null]
Osticythere
 - Osticythere [ACCEPTED GENUS 2296:63GR7 nidx=null]
 + Osticythere Hartmann, 1980 [ACCEPTED GENUS 2298:84QQV nidx=null]
Osticytheridae
 - Osticytheridae [ACCEPTED FAMILY 2296:DRJ nidx=null]
 + Osticytheridae Hartmann, 1980 [ACCEPTED FAMILY 2298:84K9T nidx=null]
Otocytherella
 - Otocytherella [ACCEPTED GENUS 2296:63HXQ nidx=null]
 + Otocytherella Hu & Tao, 2008 [ACCEPTED GENUS 2298:84QQW nidx=null]
Otonemertes
 - Otonemertes [ACCEPTED GENUS 2296:63HZN nidx=null]
 + Otonemertes Dawydoff, 1937 [ACCEPTED GENUS 2298:84QQX nidx=null]
Otopsis
 - Otopsis [ACCEPTED GENUS 2296:63HZP nidx=null]
 + Otopsis Ditlevsen, 1917 [ACCEPTED GENUS 2298:84Q79 nidx=null]
Ototyphlonemertes
 - Ototyphlonemertes [ACCEPTED GENUS 2296:63HMC nidx=null]
 + Ototyphlonemertes Diesing, 1863 [ACCEPTED GENUS 2298:84Q7C nidx=null]
Ototyphlonemertes pallida czerniavskyi
 - Ototyphlonemertes pallida czerniavskyi [SYNONYM SUBSPECIES 2296:5K3PM nidx=null parent=4B863]
 + Ototyphlonemertes pallida czerniavskyi Bürger, 1904 [SYNONYM SUBSPECIES 2298:852RL nidx=null parent=4B863]
Ototyphlonemertes pallida pallida
 - Ototyphlonemertes pallida pallida [SYNONYM SUBSPECIES 2296:5K3PN nidx=null parent=4B863]
 + Ototyphlonemertes pallida pallida Bürger, 1904 [SYNONYM SUBSPECIES 2298:852RM nidx=null parent=4B863]
Ototyphlonemertidae
 - Ototyphlonemertidae [ACCEPTED FAMILY 2296:DS7 nidx=null]
 + Ototyphlonemertidae Coe, 1940 [ACCEPTED FAMILY 2298:84K9V nidx=null]
Ottawina
 - Ottawina [ACCEPTED GENUS 2296:63HML nidx=null]
 + Ottawina Courtinat, 1998 [ACCEPTED GENUS 2298:84QQY nidx=null]
Ougia
 - Ougia [ACCEPTED GENUS 2296:63HQB nidx=null]
 + Ougia Wolf, 1986 [ACCEPTED GENUS 2298:84Q7D nidx=null]
Oulangia
 - Oulangia [ACCEPTED GENUS 2296:63HPH nidx=null]
 + Oulangia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84Q7F nidx=null]
Oulastrea
 - Oulastrea [ACCEPTED GENUS 2296:63HPG nidx=null]
 + Oulastrea Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84Q7G nidx=null]
Oulophyllia
 - Oulophyllia [ACCEPTED GENUS 2296:6B26 nidx=null]
 + Oulophyllia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84Q7H nidx=null]
Ovabunda
 - Ovabunda [ACCEPTED GENUS 2296:6B34 nidx=null]
 + Ovabunda Alderslade, 2001 [ACCEPTED GENUS 2298:84QQZ nidx=null]
Ovicides
 - Ovicides [ACCEPTED GENUS 2296:6B4M nidx=null]
 + Ovicides Shields, 2001 [ACCEPTED GENUS 2298:84QR2 nidx=null]
Owenia
 - Owenia [ACCEPTED GENUS 2296:63HQW nidx=null]
 + Owenia Delle Chiaje, 1844 [ACCEPTED GENUS 2298:84NS6 nidx=null]
Oweniidae
 - Oweniidae [ACCEPTED FAMILY 2296:626HX nidx=null]
 + Oweniidae Rioja, 1917 [ACCEPTED FAMILY 2298:84K9W nidx=null]
Oxalis lejeunii
 - Oxalis lejeunii Rouy [SYNONYM SPECIES 2296:7WGG9 nidx=null parent=7NJ5M]
 + Oxalis lejeunii Rouy [SYNONYM SPECIES 2298:84Y65 nidx=null parent=7NJ5M]
Oxalis plumierii
 - Oxalis plumierii Sieber ex Zucc. [SYNONYM SPECIES 2296:4BBBC nidx=null parent=5K42H]
 + Oxalis plumierii Sieber ex Zucc. [SYNONYM SPECIES 2298:84Y68 nidx=null parent=5K42H]
Oxydromus
 - Oxydromus [ACCEPTED GENUS 2296:6BB3 nidx=null]
 + Oxydromus Grube, 1855 [ACCEPTED GENUS 2298:84QR6 nidx=null]
Oxymycale strongylophora
 - Oxymycale strongylophora de Laubenfels, 1954 [SYNONYM SPECIES 2296:4BG47 nidx=null parent=44RYC]
 + Oxymycale strongylophora de Laubenfels, 1954 [SYNONYM SPECIES 2298:84ZL5 nidx=null parent=73QRS]
Oxypolella
 - Oxypolella [ACCEPTED GENUS 2296:63HT8 nidx=null]
 + Oxypolella Bergendal, 1902 [ACCEPTED GENUS 2298:84QR8 nidx=null]
Oxypolia
 - Oxypolia [ACCEPTED GENUS 2296:6BFV nidx=null]
 + Oxypolia Punnett, 1901 [ACCEPTED GENUS 2298:84Q7T nidx=null]
Oxypora
 - Oxypora [ACCEPTED GENUS 2296:6BFX nidx=null]
 + Oxypora Saville Kent, 1871 [ACCEPTED GENUS 2298:84Q7V nidx=null]
Oxysmilia
 - Oxysmilia [ACCEPTED GENUS 2296:6BHC nidx=null]
 + Oxysmilia Duchassaing, 1870 [ACCEPTED GENUS 2298:84Q7Z nidx=null]
Oxytethya
 - Oxytethya [ACCEPTED GENUS 2296:6BHX nidx=null]
 + Oxytethya Sarà & Sarà, 2002 [ACCEPTED GENUS 2298:84Q84 nidx=null]
Ozagathus
 - Ozagathus [ACCEPTED GENUS 2296:6BKG nidx=null]
 + Ozagathus Błażewicz-Paszkowycz & Bamber, 2012 [ACCEPTED GENUS 2298:84QRD nidx=null]
Pabits
 - Pabits [ACCEPTED GENUS 2296:6BM7 nidx=null]
 + Pabits Chamberlin, 1919 [ACCEPTED GENUS 2298:84Q88 nidx=null]
Pacambocythere
 - Pacambocythere [ACCEPTED GENUS 2296:6BMB nidx=null]
 + Pacambocythere Malz, 1982 [ACCEPTED GENUS 2298:84QRF nidx=null]
Pachamphilla alata
 - Pachamphilla alata Lendenfeld, 1907 [SYNONYM SPECIES 2296:6TH9L nidx=null parent=76GY8]
 + Pachamphilla alata Lendenfeld, 1907 [SYNONYM SPECIES 2298:84ZLC nidx=null parent=76GY8]
Pachastrella
 - Pachastrella [ACCEPTED GENUS 2296:6BMM nidx=null]
 + Pachastrella Schmidt, 1868 [ACCEPTED GENUS 2298:84Q89 nidx=null]
Pachastrellidae
 - Pachastrellidae [ACCEPTED FAMILY 2296:DTF nidx=null]
 + Pachastrellidae Carter, 1875 [ACCEPTED FAMILY 2298:84K9X nidx=null]
Pachychalina
 - Pachychalina [ACCEPTED GENUS 2296:6BQK nidx=null]
 + Pachychalina Schmidt, 1868 [ACCEPTED GENUS 2298:84Q8B nidx=null]
Pachychalina affinis
 - Pachychalina affinis Brøndsted, 1924 [SYNONYM SPECIES 2296:4BQHR nidx=null parent=PWM8]
 + Pachychalina affinis Brøndsted, 1924 [SYNONYM SPECIES 2298:84ZLD nidx=null parent=85SPN]
Pachychalina conica
 - Pachychalina conica Brøndsted, 1924 [SYNONYM SPECIES 2296:4BQJ5 nidx=null parent=PWQD]
 + Pachychalina conica Brøndsted, 1924 [SYNONYM SPECIES 2298:84ZLF nidx=null parent=85SPT]
Pachychalina elegans
 - Pachychalina elegans Lendenfeld, 1887 [SYNONYM SPECIES 2296:75GML nidx=null parent=PWM8]
 + Pachychalina elegans Lendenfeld, 1887 [SYNONYM SPECIES 2298:84ZLG nidx=null parent=85SPN]
Pachychalina lunae
 - Pachychalina lunae Brøndsted, 1924 [SYNONYM SPECIES 2296:4BQJV nidx=null parent=PWM8]
 + Pachychalina lunae Brøndsted, 1924 [SYNONYM SPECIES 2298:84ZLH nidx=null parent=85SPN]
Pachychalina macrospina
 - Pachychalina macrospina Lendenfeld, 1887 [SYNONYM SPECIES 2296:4BQJX nidx=null parent=PWM8]
 + Pachychalina macrospina Lendenfeld, 1887 [SYNONYM SPECIES 2298:84ZLJ nidx=null parent=85SPN]
Pachychalina multiformis
 - Pachychalina multiformis (Lendenfeld, 1887) [SYNONYM SPECIES 2296:4BQK8 nidx=null parent=PWM8]
 + Pachychalina multiformis (Lendenfeld, 1887) [SYNONYM SPECIES 2298:84ZLL nidx=null parent=85SPN]
Pachychalina oculata
 - Pachychalina oculata Lendenfeld, 1887 [SYNONYM SPECIES 2296:75GMM nidx=null parent=PWM8]
 + Pachychalina oculata Lendenfeld, 1887 [SYNONYM SPECIES 2298:84ZLM nidx=null parent=85SPN]
Pachychalina paucispina
 - Pachychalina paucispina Lendenfeld, 1887 [SYNONYM SPECIES 2296:4BQKC nidx=null parent=PWM8]
 + Pachychalina paucispina Lendenfeld, 1887 [SYNONYM SPECIES 2298:84ZLN nidx=null parent=85SPN]
Pachychalina ramulosa
 - Pachychalina ramulosa Lendenfeld, 1887 [SYNONYM SPECIES 2296:4BQKG nidx=null parent=PWM8]
 + Pachychalina ramulosa Lendenfeld, 1887 [SYNONYM SPECIES 2298:84ZLP nidx=null parent=85SPN]
Pachychalina ramulosa var. digitata
 - Pachychalina ramulosa var. digitata Lendenfeld, 1887 [SYNONYM VARIETY 2296:5QF55 nidx=null parent=PWM8]
 + Pachychalina ramulosa var. digitata Lendenfeld, 1887 [SYNONYM VARIETY 2298:852VQ nidx=null parent=85SPN]
Pachychalina rigida
 - Pachychalina rigida Lendenfeld, 1887 [SYNONYM SPECIES 2296:4BQKJ nidx=null parent=PWM8]
 + Pachychalina rigida Lendenfeld, 1887 [SYNONYM SPECIES 2298:84ZLQ nidx=null parent=85SPN]
Pachychalina tenera
 - Pachychalina tenera Thiele, 1905 [SYNONYM SPECIES 2296:4BQKV nidx=null parent=D3PC]
 + Pachychalina tenera Thiele, 1905 [ACCEPTED SPECIES 2298:84ZLR nidx=null]
Pachydictyum
 - Pachydictyum [ACCEPTED GENUS 2296:6BSG nidx=null]
 + Pachydictyum Weltner, 1901 [ACCEPTED GENUS 2298:84Q8C nidx=null]
Pachygaster leachii
 - Pachygaster leachii Curtis, 1824 [ACCEPTED SPECIES 2296:4BS59 nidx=null]
 + Pachygaster leachii Curtis, 1824 [ACCEPTED SPECIES 2298:84XYK nidx=null]
Pachymatisma
 - Pachymatisma [ACCEPTED GENUS 2296:6BV4 nidx=null]
 + Pachymatisma Bowerbank in Johnston, 1842 [ACCEPTED GENUS 2298:84Q8K nidx=null]
Pachymatisma nodosa
 - Pachymatisma nodosa Sim-Smith & Kelly, 2015 [ACCEPTED SPECIES 2296:4BSQZ nidx=null]
 + Pachymatisma nodosa Sim-Smith & Kelly, 2015 [SYNONYM SPECIES 2298:84ZLS nidx=null parent=85SV9]
Pachynemertes
 - Pachynemertes [ACCEPTED GENUS 2296:6BW7 nidx=null]
 + Pachynemertes Coe, 1936 [ACCEPTED GENUS 2298:84QRG nidx=null]
Pachypellina
 - Pachypellina [ACCEPTED GENUS 2296:6BXH nidx=null]
 + Pachypellina Burton, 1934 [ACCEPTED GENUS 2298:84Q8L nidx=null]
Pachyprocerastea
 - Pachyprocerastea [ACCEPTED GENUS 2296:6BYT nidx=null]
 + Pachyprocerastea Nygren, 2004 [ACCEPTED GENUS 2298:84QRJ nidx=null]
Pachyrotula
 - Pachyrotula [ACCEPTED GENUS 2296:6BZW nidx=null]
 + Pachyrotula Volkmer-Ribeiro & Rützler, 1997 [ACCEPTED GENUS 2298:84Q8N nidx=null]
Pachyseris
 - Pachyseris [ACCEPTED GENUS 2296:63JLR nidx=null]
 + Pachyseris Milne Edwards & Haime, 1849 [ACCEPTED GENUS 2298:84Q8P nidx=null]
Pacifidrilus
 - Pacifidrilus [ACCEPTED GENUS 2296:6C59 nidx=null]
 + Pacifidrilus Erséus, 1992 [ACCEPTED GENUS 2298:84Q8T nidx=null]
Pacifigorgia
 - Pacifigorgia [ACCEPTED GENUS 2296:6C5B nidx=null]
 + Pacifigorgia Bayer, 1951 [ACCEPTED GENUS 2298:84Q8W nidx=null]
Pacifiphyton
 - Pacifiphyton [ACCEPTED GENUS 2296:6C5H nidx=null]
 + Pacifiphyton Williams, 1997 [ACCEPTED GENUS 2298:84QRQ nidx=null]
Paedampharete
 - Paedampharete [ACCEPTED GENUS 2296:6C7B nidx=null]
 + Paedampharete Russell, 1987 [ACCEPTED GENUS 2298:84QRS nidx=null]
Pagurapseudes
 - Pagurapseudes [ACCEPTED GENUS 2296:63JMH nidx=null]
 + Pagurapseudes Whitelegge, 1901 [ACCEPTED GENUS 2298:84Q94 nidx=null]
Pagurapseudidae
 - Pagurapseudidae [ACCEPTED FAMILY 2296:626J8 nidx=null]
 + Pagurapseudidae Lang, 1970 [ACCEPTED FAMILY 2298:84K9Y nidx=null]
Pagurapseudopsididae
 - Pagurapseudopsididae [ACCEPTED FAMILY 2296:626J9 nidx=null]
 + Pagurapseudopsididae Gutu, 2006 [ACCEPTED FAMILY 2298:84K9Z nidx=null]
Pagurapseudopsis
 - Pagurapseudopsis [ACCEPTED GENUS 2296:63JMK nidx=null]
 + Pagurapseudopsis Shiino, 1963 [ACCEPTED GENUS 2298:84Q95 nidx=null]
Pagurotanais
 - Pagurotanais [ACCEPTED GENUS 2296:6CB7 nidx=null]
 + Pagurotanais Bouvier, 1918 [ACCEPTED GENUS 2298:84Q96 nidx=null]
Paijenborchella
 - Paijenborchella [ACCEPTED GENUS 2296:6CBV nidx=null]
 + Paijenborchella Kingma, 1948 [ACCEPTED GENUS 2298:84QRV nidx=null]
Paikcythere
 - Paikcythere [ACCEPTED GENUS 2296:6CBW nidx=null]
 + Paikcythere Choe, 1988 [ACCEPTED GENUS 2298:84QRW nidx=null]
Paiwa
 - Paiwa [ACCEPTED GENUS 2296:6CCH nidx=null]
 + Paiwa Chamberlin, 1919 [ACCEPTED GENUS 2298:84Q99 nidx=null]
Pakistanapseudes
 - Pakistanapseudes [ACCEPTED GENUS 2296:6CCT nidx=null]
 + Pakistanapseudes Bacescu, 1978 [ACCEPTED GENUS 2298:84Q9B nidx=null]
Palaeoaphrodite
 - Palaeoaphrodite [ACCEPTED GENUS 2296:63JNB nidx=null]
 + Palaeoaphrodite Alessandrello & Teruzzi, 1986 [ACCEPTED GENUS 2298:84QRY nidx=null]
Palaeoendeis
 - Palaeoendeis [ACCEPTED GENUS 2296:6CFW nidx=null]
 + Palaeoendeis Charbonnier, Vannier & Riou, 2007 [ACCEPTED GENUS 2298:84QRZ nidx=null]
Palaeoisopoda
 - Palaeoisopoda [ACCEPTED ORDER 2296:3QX nidx=null]
 + Palaeoisopoda Hedgpeth, 1978 [ACCEPTED ORDER 2298:84JWD nidx=null]
Palaeoisopodidae
 - Palaeoisopodidae [ACCEPTED FAMILY 2296:626KL nidx=null]
 + Palaeoisopodidae Dubinin, 1957 [ACCEPTED FAMILY 2298:84KB2 nidx=null]
Palaeoisopodus
 - Palaeoisopodus [ACCEPTED GENUS 2296:6CGJ nidx=null]
 + Palaeoisopodus Broili, 1928 [ACCEPTED GENUS 2298:84QS3 nidx=null]
Palaeomarachne
 - Palaeomarachne [ACCEPTED GENUS 2296:6CGY nidx=null]
 + Palaeomarachne Rudkin, Cuggy, Young & Thompson, 2013 [ACCEPTED GENUS 2298:84QS5 nidx=null]
Palaeonemertea
 - Palaeonemertea [ACCEPTED CLASS 2296:FP nidx=null]
 + Palaeonemertea Hubrecht, 1879 [ACCEPTED CLASS 2298:84JT4 nidx=null]
Palaeopantopoda
 - Palaeopantopoda [ACCEPTED ORDER 2296:3QY nidx=null]
 + Palaeopantopoda Broili, 1930 [ACCEPTED ORDER 2298:84JWF nidx=null]
Palaeopantopodidae
 - Palaeopantopodidae [ACCEPTED FAMILY 2296:DV3 nidx=null]
 + Palaeopantopodidae Hedgpeth, 1955 [ACCEPTED FAMILY 2298:84KB3 nidx=null]
Palaeopantopus
 - Palaeopantopus [ACCEPTED GENUS 2296:63JPZ nidx=null]
 + Palaeopantopus Broili, 1929 [ACCEPTED GENUS 2298:84QS6 nidx=null]
Palaeopelyx
 - Palaeopelyx [ACCEPTED GENUS 2296:6CHX nidx=null]
 + Palaeopelyx Eisenack, 1975 [ACCEPTED GENUS 2298:84QS7 nidx=null]
Palaeophyllia
 - Palaeophyllia [ACCEPTED GENUS 2296:6CJ7 nidx=null]
 + Palaeophyllia Alloitteau, 1957 [ACCEPTED GENUS 2298:84QS8 nidx=null]
Palaeopycnogonides
 - Palaeopycnogonides [ACCEPTED GENUS 2296:6CJM nidx=null]
 + Palaeopycnogonides Charbonnier, Vannier & Riou, 2007 [ACCEPTED GENUS 2298:84QS9 nidx=null]
Palaeoscolex
 - Palaeoscolex [ACCEPTED GENUS 2296:63K2C nidx=null]
 + Palaeoscolex Glaessner, 1979 [ACCEPTED GENUS 2298:84QSB nidx=null]
Palaeospongilla
 - Palaeospongilla [ACCEPTED GENUS 2296:6CKB nidx=null]
 + Palaeospongilla Ott & Volkheimer, 1972 [ACCEPTED GENUS 2298:84QSC nidx=null]
Palaeospongillidae
 - Palaeospongillidae [ACCEPTED FAMILY 2296:DV8 nidx=null]
 + Palaeospongillidae Volkmer-Ribeiro & Reitner, 1991 [ACCEPTED FAMILY 2298:84KB4 nidx=null]
Palaeotanais
 - Palaeotanais [ACCEPTED GENUS 2296:6CKJ nidx=null]
 + Palaeotanais Reiff, 1936 [ACCEPTED GENUS 2298:84QSD nidx=null]
Palaeothea
 - Palaeothea [ACCEPTED GENUS 2296:6CKM nidx=null]
 + Palaeothea Bergstrom, Sturmer & Winter, 1980 [ACCEPTED GENUS 2298:84QSF nidx=null]
Palaeotubus
 - Palaeotubus [ACCEPTED GENUS 2296:6CL2 nidx=null]
 + Palaeotubus Sanfilippo, Reitano, Insacco & Rosso, 2016 [ACCEPTED GENUS 2298:84QSG nidx=null]
Palauastrea
 - Palauastrea [ACCEPTED GENUS 2296:6CM8 nidx=null]
 + Palauastrea Yabe & Sugiyama, 1941 [ACCEPTED GENUS 2298:84Q9D nidx=null]
Paleaequor
 - Paleaequor [ACCEPTED GENUS 2296:6CMR nidx=null]
 + Paleaequor Watson Russell, 1986 [ACCEPTED GENUS 2298:84QSJ nidx=null]
Paleanotus
 - Paleanotus [ACCEPTED GENUS 2296:6CMS nidx=null]
 + Paleanotus Schmarda, 1861 [ACCEPTED GENUS 2298:84Q9G nidx=null]
Paleanotus heteroseta
 - Paleanotus heteroseta Hartman, 1945 [ACCEPTED SPECIES 2296:4C42P nidx=null]
 + Paleanotus heteroseta Hartman, 1945 [SYNONYM SPECIES 2298:84XZ5 nidx=null parent=85F4M]
Paleocampa
 - Paleocampa [ACCEPTED GENUS 2296:6CN3 nidx=null]
 + Paleocampa Meek & Worthen, 1865 [ACCEPTED GENUS 2298:84QSK nidx=null]
Paleoenonites
 - Paleoenonites [ACCEPTED GENUS 2296:63JPN nidx=null]
 + Paleoenonites Eller, 1942 [ACCEPTED GENUS 2298:84QSL nidx=null]
Paleorhynchus
 - Paleorhynchus [ACCEPTED GENUS 2296:63JPP nidx=null]
 + Paleorhynchus Wang, 1983 [ACCEPTED GENUS 2298:84QSM nidx=null]
Palephyra
 - Palephyra [ACCEPTED GENUS 2296:6CPW nidx=null]
 + Palephyra Haeckel, 1880 [ACCEPTED GENUS 2298:84M6M nidx=null]
Palephyra antiqua
 - Palephyra antiqua [ACCEPTED SPECIES 2296:4C47Z nidx=null]
 + Palephyra antiqua Haeckel, 1880 [ACCEPTED SPECIES 2298:84MCS nidx=null]
Paliurus
 - Paliurus [ACCEPTED GENUS 2296:6CRM nidx=null]
 + Paliurus Gabb, 1876 [ACCEPTED GENUS 2298:84Q9L nidx=null]
Pallenoides
 - Pallenoides [ACCEPTED GENUS 2296:6CS3 nidx=null]
 + Pallenoides Stock, 1951 [ACCEPTED GENUS 2298:84Q9M nidx=null]
Pallenopsidae
 - Pallenopsidae [ACCEPTED FAMILY 2296:626JS nidx=null]
 + Pallenopsidae Fry, 1978 [ACCEPTED FAMILY 2298:84KB5 nidx=null]
Pallenopsis
 - Pallenopsis [ACCEPTED GENUS 2296:6CS4 nidx=null]
 + Pallenopsis Wilson, 1881 [ACCEPTED GENUS 2298:84Q9N nidx=null]
Pallenopsis fluminensis
 - Pallenopsis fluminensis Böhm, 1879 non-Krøyer, 1844 [SYNONYM SPECIES 2296:4C5F8 nidx=null parent=75JRK]
 + Pallenopsis fluminensis Böhm, 1879 non-Krøyer, 1844 [MISAPPLIED SPECIES 2298:84XZ6 nidx=null parent=75JRK]
Pallenopsis hoekiana
 - Pallenopsis hoekiana Hedgpeth, 1943 non-Schimkewitsch, 1930 [SYNONYM SPECIES 2296:4C5FL nidx=null parent=4C5HD]
 + Pallenopsis hoekiana Hedgpeth, 1943 non-Schimkewitsch, 1930 [MISAPPLIED SPECIES 2298:84XZ8 nidx=null parent=4C5HD]
Pallenopsis ovalis
 - Pallenopsis ovalis Flynn, 1928 non-Loman, 1908 [SYNONYM SPECIES 2296:4C5GL nidx=null parent=4C5GQ]
 + Pallenopsis ovalis Flynn, 1928 non-Loman, 1908 [MISAPPLIED SPECIES 2298:84XZ9 nidx=null parent=4C5GQ]
Palliatus
 - Palliatus [ACCEPTED GENUS 2296:6CSB nidx=null]
 + Palliatus Schulman, Kovaleva & Dubina, 1979 [ACCEPTED GENUS 2298:84QSN nidx=null]
Palmenella
 - Palmenella [ACCEPTED GENUS 2296:6CTX nidx=null]
 + Palmenella Hirschmann, 1915 [ACCEPTED GENUS 2298:84Q9Q nidx=null]
Palmoconcha
 - Palmoconcha [ACCEPTED SUBGENUS 2296:63JCL nidx=null]
 - Palmoconcha [ACCEPTED GENUS 2296:63JCN nidx=null]
 + Palmoconcha Swain & Gilby, 1974 [ACCEPTED GENUS 2298:84Q9S nidx=null]
Palmoconcha laevimarginata
 - Palmoconcha laevimarginata Swain & Gilby, 1974 [SYNONYM SPECIES 2296:4C67L nidx=null parent=3W996]
 + Palmoconcha laevimarginata Swain & Gilby, 1974 [SYNONYM SPECIES 2298:84ZLT nidx=null parent=4C67K]
Palmyra
 - Palmyra [ACCEPTED GENUS 2296:6CVC nidx=null]
 + Palmyra Savigny, 1818 [ACCEPTED GENUS 2298:84QSS nidx=null]
Palmyreuphrosyne
 - Palmyreuphrosyne [ACCEPTED GENUS 2296:6CVD nidx=null]
 + Palmyreuphrosyne Fauvel, 1913 [ACCEPTED GENUS 2298:84Q9T nidx=null]
Palola
 - Palola [ACCEPTED GENUS 2296:6CVL nidx=null]
 + Palola Gray in Stair, 1847 [ACCEPTED GENUS 2298:84Q9V nidx=null]
Palposyllis
 - Palposyllis [ACCEPTED GENUS 2296:6CWX nidx=null]
 + Palposyllis Hartmann-Schröder, 1977 [ACCEPTED GENUS 2298:84QST nidx=null]
Palurites
 - Palurites [ACCEPTED GENUS 2296:6CY2 nidx=null]
 + Palurites Szaniawski & Imajima, 1996 [ACCEPTED GENUS 2298:84QSW nidx=null]
Palusleptocythere
 - Palusleptocythere [ACCEPTED GENUS 2296:6CY3 nidx=null]
 + Palusleptocythere Nakao & Tsukagoshi, 2002 [ACCEPTED GENUS 2298:84QSX nidx=null]
Pancoloides
 - Pancoloides [ACCEPTED GENUS 2296:6D4V nidx=null]
 + Pancoloides Sieg, 1980 [ACCEPTED GENUS 2298:84Q9Y nidx=null]
Pancolus
 - Pancolus [ACCEPTED GENUS 2296:6D4W nidx=null]
 + Pancolus Richardson, 1905 [ACCEPTED GENUS 2298:84Q9Z nidx=null]
Pandaros
 - Pandaros [ACCEPTED GENUS 2296:6D5M nidx=null]
 + Pandaros Duchassaing & Michelotti, 1864 [ACCEPTED GENUS 2298:84QB2 nidx=null]
Pangolinisis
 - Pangolinisis [ACCEPTED GENUS 2296:6D7V nidx=null]
 + Pangolinisis Alderslade, 1998 [ACCEPTED GENUS 2298:84QT5 nidx=null]
Pannoserpula
 - Pannoserpula [ACCEPTED GENUS 2296:6D99 nidx=null]
 + Pannoserpula Jaeger, Kapitzke & Rieter, 2001 [ACCEPTED GENUS 2298:84QT7 nidx=null]
Panorhynchus
 - Panorhynchus [ACCEPTED GENUS 2296:63JF7 nidx=null]
 + Panorhynchus de la Serna de Esteban & Moretto, 1969 [ACCEPTED GENUS 2298:84QT8 nidx=null]
Panoumethus
 - Panoumethus [ACCEPTED GENUS 2296:63JFN nidx=null]
 + Panoumethus Fitzhugh, 2002 [ACCEPTED GENUS 2298:84QT9 nidx=null]
Panousea
 - Panousea [ACCEPTED GENUS 2296:63JFM nidx=null]
 + Panousea Rullier & Amoureux, 1970 [ACCEPTED GENUS 2298:84QTB nidx=null]
Panthalis
 - Panthalis [ACCEPTED GENUS 2296:6DBQ nidx=null]
 + Panthalis Kinberg, 1856 [ACCEPTED GENUS 2298:84QBF nidx=null]
Panthalis bicolor
 - Panthalis bicolor (Augener, 1918) [ACCEPTED SPECIES 2296:4CGWH nidx=null]
 + Panthalis bicolor Grube, 1877 [SYNONYM SPECIES 2298:84ZLX nidx=null parent=8589V]
Pantinonemertes californiensis
 - Pantinonemertes californiensis Gibson, Moore & Crandall, 1982 [SYNONYM SPECIES 2296:4CH29 nidx=null parent=6W9JN]
 + Pantinonemertes californiensis Gibson, Moore & Crandall, 1982 [ACCEPTED SPECIES 2298:84ZLY nidx=null]
Pantinonemertes daguilarensis
 - Pantinonemertes daguilarensis Gibson & Sundberg, 1992 [SYNONYM SPECIES 2296:6TM65 nidx=null parent=77XJN]
 + Pantinonemertes daguilarensis Gibson & Sundberg, 1992 [ACCEPTED SPECIES 2298:84ZLZ nidx=null]
Pantopipetta
 - Pantopipetta [ACCEPTED GENUS 2296:6DCW nidx=null]
 + Pantopipetta Stock, 1963 [ACCEPTED GENUS 2298:84QBH nidx=null]
Pantopoda
 - Pantopoda [ACCEPTED ORDER 2296:3R7 nidx=null]
 + Pantopoda Gerstaecker, 1863 [ACCEPTED ORDER 2298:84JQM nidx=null]
Papillatabairdia
 - Papillatabairdia [ACCEPTED GENUS 2296:6DFY nidx=null]
 + Papillatabairdia Bentley, 1982 [ACCEPTED GENUS 2298:84QTG nidx=null]
Papillosacythere
 - Papillosacythere [ACCEPTED GENUS 2296:6DGP nidx=null]
 + Papillosacythere Whatley, Chadwick, Coxill & Toy, 1987 [ACCEPTED GENUS 2298:84QTH nidx=null]
Papyrula candidata
 - Papyrula candidata Schmidt, 1868 [SYNONYM SPECIES 2296:4CLWX nidx=null parent=76GY9]
 + Papyrula candidata Schmidt, 1868 [SYNONYM SPECIES 2298:84ZM2 nidx=null parent=76GY9]
Papyrula metastrosa
 - Papyrula metastrosa Lebwohl, 1914 [SYNONYM SPECIES 2296:4CLWY nidx=null parent=76GYK]
 + Papyrula metastrosa Lebwohl, 1914 [SYNONYM SPECIES 2298:84ZM3 nidx=null parent=76GYK]
Parabalaenanemertes
 - Parabalaenanemertes [ACCEPTED GENUS 2296:6DMM nidx=null]
 + Parabalaenanemertes Brinkmann, 1917 [ACCEPTED GENUS 2298:84QTJ nidx=null]
Parabathynoe
 - Parabathynoe [ACCEPTED GENUS 2296:6DN6 nidx=null]
 + Parabathynoe Pettibone, 1990 [ACCEPTED GENUS 2298:84QTK nidx=null]
Parabythocythere
 - Parabythocythere [ACCEPTED GENUS 2296:6DRZ nidx=null]
 + Parabythocythere Gou & Huang in Gou, Zheng & Huang, 1983 [PROVISIONALLY_ACCEPTED GENUS 2298:84QTL nidx=null]
 + Parabythocythere Kozur, 1983 [PROVISIONALLY_ACCEPTED GENUS 2298:84QTM nidx=null]
Paracalyptrophora
 - Paracalyptrophora [ACCEPTED GENUS 2296:6DSY nidx=null]
 + Paracalyptrophora Kinoshita, 1908 [ACCEPTED GENUS 2298:84QTN nidx=null]
Paracanthoisis
 - Paracanthoisis [ACCEPTED GENUS 2296:6DTQ nidx=null]
 + Paracanthoisis Alderslade, 1998 [ACCEPTED GENUS 2298:84QTP nidx=null]
Paracapitella
 - Paracapitella [ACCEPTED GENUS 2296:63J95 nidx=null]
 + Paracapitella Kirkegaard, 1983 [ACCEPTED GENUS 2298:84QTQ nidx=null]
Paracerebratulus
 - Paracerebratulus [ACCEPTED GENUS 2296:6DX2 nidx=null]
 + Paracerebratulus Senz, 1997 [ACCEPTED GENUS 2298:84QTR nidx=null]
Parachloeia
 - Parachloeia [ACCEPTED GENUS 2296:6DZH nidx=null]
 + Parachloeia Horst, 1912 [ACCEPTED GENUS 2298:84QTT nidx=null]
Paracis
 - Paracis [ACCEPTED GENUS 2296:63J44 nidx=null]
 + Paracis Kükenthal, 1919 [ACCEPTED GENUS 2298:84QCJ nidx=null]
Paracobanocythere
 - Paracobanocythere [ACCEPTED GENUS 2296:63J5K nidx=null]
 + Paracobanocythere Gottwald, 1980 [ACCEPTED GENUS 2298:84QCK nidx=null]
Paraconchoecia
 - Paraconchoecia [ACCEPTED GENUS 2296:63J78 nidx=null]
 + Paraconchoecia Claus, 1891 [ACCEPTED GENUS 2298:84QCL nidx=null]
Paraconotrochus
 - Paraconotrochus [ACCEPTED GENUS 2296:63J82 nidx=null]
 + Paraconotrochus Cairns & Parker, 1992 [ACCEPTED GENUS 2298:84QCM nidx=null]
Paracornulum
 - Paracornulum [ACCEPTED GENUS 2296:63KL2 nidx=null]
 + Paracornulum Hallmann, 1920 [ACCEPTED GENUS 2298:84QCN nidx=null]
Paracosta
 - Paracosta [ACCEPTED GENUS 2296:63KLS nidx=null]
 + Paracosta Siddiqui, 1971 [ACCEPTED GENUS 2298:84QTY nidx=null]
Paracyathus
 - Paracyathus [ACCEPTED GENUS 2296:63KQ8 nidx=null]
 + Paracyathus Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84QCT nidx=null]
Paracypria
 - Paracypria [ACCEPTED GENUS 2296:63L37 nidx=null]
 + Paracypria Sars, 1910 [ACCEPTED GENUS 2298:84QTZ nidx=null]
Paracyprideis
 - Paracyprideis [ACCEPTED GENUS 2296:63L36 nidx=null]
 + Paracyprideis Klie, 1929 [ACCEPTED GENUS 2298:84QCW nidx=null]
Paracypridina
 - Paracypridina [ACCEPTED GENUS 2296:63KQX nidx=null]
 + Paracypridina Poulsen, 1962 [ACCEPTED GENUS 2298:84QCX nidx=null]
Paracypris
 - Paracypris [ACCEPTED GENUS 2296:63KR9 nidx=null]
 + Paracypris Sars, 1866 [ACCEPTED GENUS 2298:84QCY nidx=null]
Paracythere
 - Paracythere [ACCEPTED GENUS 2296:63L2Y nidx=null]
 + Paracythere Mueller, 1894 [ACCEPTED GENUS 2298:84QV3 nidx=null]
Paracytheridae
 - Paracytheridae [ACCEPTED FAMILY 2296:DY2 nidx=null]
 + Paracytheridae Puri, 1974 [ACCEPTED FAMILY 2298:84KB8 nidx=null]
Paracytheridea
 - Paracytheridea [ACCEPTED GENUS 2296:63KRC nidx=null]
 + Paracytheridea Mueller, 1894 [ACCEPTED GENUS 2298:84QD2 nidx=null]
Paracytherideidae
 - Paracytherideidae [ACCEPTED FAMILY 2296:DY3 nidx=null]
 + Paracytherideidae Puri, 1957 [ACCEPTED FAMILY 2298:84KB7 nidx=null]
Paracytherois
 - Paracytherois [ACCEPTED GENUS 2296:63L3C nidx=null]
 + Paracytherois Mueller, 1894 [ACCEPTED GENUS 2298:84QD3 nidx=null]
Paracytheroma
 - Paracytheroma [ACCEPTED GENUS 2296:63KRB nidx=null]
 + Paracytheroma Juday, 1907 [ACCEPTED GENUS 2298:84QD4 nidx=null]
Paracytheromorpha
 - Paracytheromorpha [ACCEPTED GENUS 2296:63L3B nidx=null]
 + Paracytheromorpha Maybury & Whatley, 1986 [ACCEPTED GENUS 2298:84QV4 nidx=null]
Paracytheropteron
 - Paracytheropteron [ACCEPTED GENUS 2296:63KQD nidx=null]
 + Paracytheropteron Ruggieri, 1952 [ACCEPTED GENUS 2298:84QV5 nidx=null]
Paradesmanthus
 - Paradesmanthus [ACCEPTED GENUS 2296:63KRF nidx=null]
 + Paradesmanthus Pisera & Lévi, 2002 [ACCEPTED GENUS 2298:84QD7 nidx=null]
Paradexiospira
 - Paradexiospira [ACCEPTED GENUS 2296:63KS2 nidx=null]
 - Paradexiospira [ACCEPTED SUBGENUS 2296:63L3Q nidx=null]
 + Paradexiospira Caullery & Mesnil, 1897 [ACCEPTED GENUS 2298:84QD9 nidx=null]
Paradialychone
 - Paradialychone [ACCEPTED GENUS 2296:63L44 nidx=null]
 + Paradialychone Tovar-Hernández, 2008 [ACCEPTED GENUS 2298:84QV7 nidx=null]
Paradinonemertes
 - Paradinonemertes [ACCEPTED GENUS 2296:63KDT nidx=null]
 + Paradinonemertes Brinkmann, 1915 [ACCEPTED GENUS 2298:84QV9 nidx=null]
Paradiopatra
 - Paradiopatra [ACCEPTED GENUS 2296:63KD6 nidx=null]
 + Paradiopatra Ehlers, 1887 [ACCEPTED GENUS 2298:84QDC nidx=null]
Paradiopatra piccola
 - Paradiopatra piccola [ACCEPTED SPECIES 2296:4CTH5 nidx=null]
 + Paradiopatra piccola Paxton & Budaeva, 2013 [ACCEPTED SPECIES 2298:84ZM5 nidx=null]
Paradoloria
 - Paradoloria [ACCEPTED GENUS 2296:63KF9 nidx=null]
 + Paradoloria Poulsen, 1962 [ACCEPTED GENUS 2298:84QVB nidx=null]
Paradoneis
 - Paradoneis [ACCEPTED GENUS 2296:63KFG nidx=null]
 + Paradoneis Hartman, 1965 [ACCEPTED GENUS 2298:84QDD nidx=null]
Paradoxapseudes
 - Paradoxapseudes [ACCEPTED GENUS 2296:63KH9 nidx=null]
 + Paradoxapseudes Gutu, 1991 [ACCEPTED GENUS 2298:84QVC nidx=null]
Paradoxostoma
 - Paradoxostoma [ACCEPTED GENUS 2296:63KGZ nidx=null]
 + Paradoxostoma Fischer, 1855 [ACCEPTED GENUS 2298:84QDF nidx=null]
Paradoxostoma kerguelensis
 - Paradoxostoma kerguelensis Müller, 1908 [ACCEPTED SPECIES 2296:6TP3B nidx=null]
 + Paradoxostoma kerguelensis Müller, 1908 [SYNONYM SPECIES 2298:84ZM7 nidx=null parent=75MZJ]
Paradoxostoma navicula
 - Paradoxostoma navicula Bonaduce, Masoli, Minichelli & Pugliese, 1980 [ACCEPTED SPECIES 2296:75P42 nidx=null]
 + Paradoxostoma navicula Schornikov, 1965 [ACCEPTED SPECIES 2298:84ZM8 nidx=null]
Paradoxostomatidae
 - Paradoxostomatidae [ACCEPTED FAMILY 2296:626JW nidx=null]
 + Paradoxostomatidae Brady & Norman, 1889 [ACCEPTED FAMILY 2298:84KB9 nidx=null]
Paradrepanophoridae
 - Paradrepanophoridae [ACCEPTED FAMILY 2296:DYB nidx=null]
 + Paradrepanophoridae Stiasny-Wijnhoff [ACCEPTED FAMILY 2298:84KBB nidx=null]
Paradrepanophorus
 - Paradrepanophorus [ACCEPTED GENUS 2296:63KHH nidx=null]
 + Paradrepanophorus Stiasny-Wijnhoff, 1926 [ACCEPTED GENUS 2298:84QDG nidx=null]
Paradyte
 - Paradyte [ACCEPTED GENUS 2296:63KJF nidx=null]
 + Paradyte Pettibone, 1969 [ACCEPTED GENUS 2298:84QDJ nidx=null]
Paraehlersia
 - Paraehlersia [ACCEPTED GENUS 2296:63JYL nidx=null]
 + Paraehlersia San Martín, 2003 [ACCEPTED GENUS 2298:84QVD nidx=null]
Paraescarpia
 - Paraescarpia [ACCEPTED GENUS 2296:63JZR nidx=null]
 + Paraescarpia Southward, Schulze & Tunnicliffe, 2002 [ACCEPTED GENUS 2298:84QVG nidx=null]
Parafabricia
 - Parafabricia [ACCEPTED GENUS 2296:63KBM nidx=null]
 + Parafabricia Fitzhugh, 1992 [ACCEPTED GENUS 2298:84QVK nidx=null]
Parafilitanais
 - Parafilitanais [ACCEPTED GENUS 2296:63JR6 nidx=null]
 + Parafilitanais Kudinova-Pasternak, 1989 [ACCEPTED GENUS 2298:84QVM nidx=null]
Paragathotanais
 - Paragathotanais [ACCEPTED GENUS 2296:63JRW nidx=null]
 + Paragathotanais Lang, 1971 [ACCEPTED GENUS 2298:84QDK nidx=null]
Paragattyana
 - Paragattyana [ACCEPTED GENUS 2296:63K3W nidx=null]
 + Paragattyana Pettibone, 1993 [ACCEPTED GENUS 2298:84QVP nidx=null]
Paraglycerites
 - Paraglycerites [ACCEPTED GENUS 2296:63K42 nidx=null]
 + Paraglycerites Kozur, 1972 [ACCEPTED GENUS 2298:84QVQ nidx=null]
Paragnathites
 - Paragnathites [ACCEPTED GENUS 2296:63K3S nidx=null]
 + Paragnathites du Chêne in du Chêne, 1974 [ACCEPTED GENUS 2298:84QVR nidx=null]
Paragoniastrea
 - Paragoniastrea [ACCEPTED GENUS 2296:63K4F nidx=null]
 + Paragoniastrea Huang, Benzoni & Budd, 2014 [ACCEPTED GENUS 2298:84QVS nidx=null]
Paragorgia
 - Paragorgia [ACCEPTED GENUS 2296:63JSQ nidx=null]
 + Paragorgia Milne Edwards, 1857 [ACCEPTED GENUS 2298:84QDN nidx=null]
Paragorgiidae
 - Paragorgiidae [ACCEPTED FAMILY 2296:DYG nidx=null]
 + Paragorgiidae Kükenthal, 1916 [ACCEPTED FAMILY 2298:84KBC nidx=null]
Paragrantia
 - Paragrantia [ACCEPTED GENUS 2296:63JSR nidx=null]
 + Paragrantia Hôzawa, 1940 [ACCEPTED GENUS 2298:84QDP nidx=null]
Parahalosydna
 - Parahalosydna [ACCEPTED GENUS 2296:63K64 nidx=null]
 + Parahalosydna Horst, 1915 [ACCEPTED GENUS 2298:84QDR nidx=null]
Parahalosydnopsis
 - Parahalosydnopsis [ACCEPTED GENUS 2296:63JTV nidx=null]
 + Parahalosydnopsis Pettibone, 1977 [ACCEPTED GENUS 2298:84QVV nidx=null]
Parahaplosyllis
 - Parahaplosyllis [ACCEPTED GENUS 2296:63JV9 nidx=null]
 + Parahaplosyllis Hartmann-Schröder, 1990 [ACCEPTED GENUS 2298:84QVW nidx=null]
Parahemingnayella
 - Parahemingnayella [ACCEPTED GENUS 2296:63K6M nidx=null]
 + Parahemingnayella Dingle, 1984 [ACCEPTED GENUS 2298:84QVX nidx=null]
Parahermanites
 - Parahermanites [ACCEPTED GENUS 2296:63JV6 nidx=null]
 + Parahermanites Hu & Tao, 2008 [ACCEPTED GENUS 2298:84QVZ nidx=null]
Parahesione
 - Parahesione [ACCEPTED GENUS 2296:63JV5 nidx=null]
 + Parahesione Pettibone, 1956 [ACCEPTED GENUS 2298:84QDS nidx=null]
Paraheteropia
 - Paraheteropia [ACCEPTED GENUS 2296:63K78 nidx=null]
 + Paraheteropia Borojevic, 1965 [ACCEPTED GENUS 2298:84QDT nidx=null]
Parahigginsia
 - Parahigginsia [ACCEPTED GENUS 2296:63K7Y nidx=null]
 + Parahigginsia Dendy, 1924 [ACCEPTED GENUS 2298:84QDV nidx=null]
Parahololepidella
 - Parahololepidella [ACCEPTED GENUS 2296:63JWF nidx=null]
 + Parahololepidella Pettibone, 1969 [ACCEPTED GENUS 2298:84QDW nidx=null]
Parahubrechtia
 - Parahubrechtia [ACCEPTED GENUS 2296:63JVR nidx=null]
 + Parahubrechtia Gibson & Sundberg, 1999 [ACCEPTED GENUS 2298:84QW3 nidx=null]
Paraidanthyrsus
 - Paraidanthyrsus [ACCEPTED GENUS 2296:6F23 nidx=null]
 + Paraidanthyrsus Kirtley, 1994 [ACCEPTED GENUS 2298:84QW4 nidx=null]
Paraiospilus
 - Paraiospilus [ACCEPTED GENUS 2296:6F2H nidx=null]
 + Paraiospilus Viguier, 1911 [ACCEPTED GENUS 2298:84QW5 nidx=null]
Paraiungentitanais
 - Paraiungentitanais [ACCEPTED GENUS 2296:6F2Q nidx=null]
 + Paraiungentitanais Sieg, 1977 [ACCEPTED GENUS 2298:84QW6 nidx=null]
Parakaketio
 - Parakaketio [ACCEPTED GENUS 2296:6F3C nidx=null]
 + Parakaketio Erséus, 1982 [ACCEPTED GENUS 2298:84QW7 nidx=null]
Parakanthophoreus
 - Parakanthophoreus [ACCEPTED GENUS 2296:6F3J nidx=null]
 + Parakanthophoreus Larsen & Araújo-Silva, 2014 [ACCEPTED GENUS 2298:84QW8 nidx=null]
Parakeijella
 - Parakeijella [ACCEPTED GENUS 2296:6F3Q nidx=null]
 + Parakeijella Jellinek, 1993 [ACCEPTED GENUS 2298:84QW9 nidx=null]
Parakeijia
 - Parakeijia [ACCEPTED GENUS 2296:6F3R nidx=null]
 + Parakeijia Mckenzie in Howe & Mckenzie, 1989 [ACCEPTED GENUS 2298:84QWB nidx=null]
Parakonarus
 - Parakonarus [ACCEPTED GENUS 2296:6F48 nidx=null]
 + Parakonarus Bird, 2011 [ACCEPTED GENUS 2298:84QWH nidx=null]
Parakrithe
 - Parakrithe [ACCEPTED GENUS 2296:6F4D nidx=null]
 + Parakrithe Bold, 1958 [ACCEPTED GENUS 2298:84QWJ nidx=null]
Parakrithella
 - Parakrithella [ACCEPTED GENUS 2296:63JXF nidx=null]
 + Parakrithella Hanai, 1959 [ACCEPTED GENUS 2298:84QF4 nidx=null]
Paraktedrilus
 - Paraktedrilus [ACCEPTED GENUS 2296:6F4G nidx=null]
 + Paraktedrilus Erséus, 1992 [ACCEPTED GENUS 2298:84QF5 nidx=null]
Paralacydonia
 - Paralacydonia [ACCEPTED GENUS 2296:6F4V nidx=null]
 + Paralacydonia Fauvel, 1913 [ACCEPTED GENUS 2298:84QF6 nidx=null]
Paralacydoniidae
 - Paralacydoniidae [ACCEPTED FAMILY 2296:DYQ nidx=null]
 + Paralacydoniidae Pettibone, 1963 [ACCEPTED FAMILY 2298:84KBD nidx=null]
Paralaeospira
 - Paralaeospira [ACCEPTED GENUS 2296:6F4Y nidx=null]
 - Paralaeospira [ACCEPTED SUBGENUS 2296:6F4Z nidx=null]
 + Paralaeospira Caullery & Mesnil, 1897 [ACCEPTED GENUS 2298:84QF7 nidx=null]
Paralanice
 - Paralanice [ACCEPTED GENUS 2296:6F5K nidx=null]
 + Paralanice Caullery, 1944 [ACCEPTED GENUS 2298:84QWK nidx=null]
Paralcyoniidae
 - Paralcyoniidae [ACCEPTED FAMILY 2296:DYR nidx=null]
 + Paralcyoniidae Gray, 1869 [ACCEPTED FAMILY 2298:84KBF nidx=null]
Paralcyonium
 - Paralcyonium [ACCEPTED GENUS 2296:6F6G nidx=null]
 + Paralcyonium Milne Edwards & Haime, 1850 [ACCEPTED GENUS 2298:84QWM nidx=null]
Paralelapia
 - Paralelapia [ACCEPTED GENUS 2296:6F74 nidx=null]
 + Paralelapia Hôzawa, 1923 [ACCEPTED GENUS 2298:84QF9 nidx=null]
Paralemnalia
 - Paralemnalia [ACCEPTED GENUS 2296:63JWK nidx=null]
 + Paralemnalia Kükenthal, 1913 [ACCEPTED GENUS 2298:84QWN nidx=null]
Paralentia
 - Paralentia [ACCEPTED GENUS 2296:6F7C nidx=null]
 + Paralentia Uschakov, 1982 [ACCEPTED GENUS 2298:84QWP nidx=null]
Paraleonnates
 - Paraleonnates [ACCEPTED GENUS 2296:6F7G nidx=null]
 + Paraleonnates Chlebovitsch & Wu, 1962 [ACCEPTED GENUS 2298:84QWQ nidx=null]
Paralepidonotus
 - Paralepidonotus [ACCEPTED GENUS 2296:6F7R nidx=null]
 + Paralepidonotus Horst, 1915 [ACCEPTED GENUS 2298:84QFB nidx=null]
Paraleptochelia
 - Paraleptochelia [ACCEPTED GENUS 2296:6F82 nidx=null]
 + Paraleptochelia Gutu, 2016 [ACCEPTED GENUS 2298:84QWR nidx=null]
Paraleptognathia
 - Paraleptognathia [ACCEPTED GENUS 2296:6F84 nidx=null]
 + Paraleptognathia Kudinova-Pasternak, 1981 [ACCEPTED GENUS 2298:84QFC nidx=null]
Paraleptoria
 - Paraleptoria [ACCEPTED GENUS 2296:6F8D nidx=null]
 + Paraleptoria Budd & Bosellini, 2016 [ACCEPTED GENUS 2298:84QWS nidx=null]
Paraleucilla
 - Paraleucilla [ACCEPTED GENUS 2296:6F8Y nidx=null]
 + Paraleucilla Dendy, 1893 [ACCEPTED GENUS 2298:84QFD nidx=null]
Paralineopsis
 - Paralineopsis [ACCEPTED GENUS 2296:63K8S nidx=null]
 + Paralineopsis Iwata, 1993 [ACCEPTED GENUS 2298:84QWT nidx=null]
Paralineus
 - Paralineus [ACCEPTED GENUS 2296:63K94 nidx=null]
 + Paralineus Schütz, 1911 [ACCEPTED GENUS 2298:84QWV nidx=null]
Paralvinella
 - Paralvinella [ACCEPTED GENUS 2296:63JYF nidx=null]
 + Paralvinella Desbruyères & Laubier, 1982 [ACCEPTED GENUS 2298:84QWY nidx=null]
Paramaldane
 - Paramaldane [ACCEPTED GENUS 2296:63JXS nidx=null]
 + Paramaldane Wang & Li, 2016 [ACCEPTED GENUS 2298:84QWZ nidx=null]
Paramarphysa orientalis
 - Paramarphysa orientalis Willey, 1905 [ACCEPTED SPECIES 2296:4D2GM nidx=null]
 + Paramarphysa orientalis Willey, 1905 [SYNONYM SPECIES 2298:84ZMB nidx=null parent=84Z4Q]
Paramekodon
 - Paramekodon [ACCEPTED GENUS 2296:6FH3 nidx=null]
 + Paramekodon Brady & Norman, 1896 [ACCEPTED GENUS 2298:84QFP nidx=null]
Paramicrura
 - Paramicrura [ACCEPTED GENUS 2296:6FKF nidx=null]
 + Paramicrura Gibson & Sundberg, 1992 [ACCEPTED GENUS 2298:84QX5 nidx=null]
Paramicrurinella
 - Paramicrurinella [ACCEPTED GENUS 2296:6FKG nidx=null]
 + Paramicrurinella Gibson, 1985 [ACCEPTED GENUS 2298:84QX6 nidx=null]
Paraminabea
 - Paraminabea [ACCEPTED GENUS 2296:63LN6 nidx=null]
 + Paraminabea Williams & Alderslade, 1999 [ACCEPTED GENUS 2298:84QX7 nidx=null]
Paraminutanemertes
 - Paraminutanemertes [ACCEPTED GENUS 2296:6FKW nidx=null]
 + Paraminutanemertes Senz, 1993 [ACCEPTED GENUS 2298:84QX8 nidx=null]
Paramollicia
 - Paramollicia [ACCEPTED GENUS 2296:6FLX nidx=null]
 + Paramollicia Poulsen, 1973 [ACCEPTED GENUS 2298:84QFZ nidx=null]
Paramontastraea
 - Paramontastraea [ACCEPTED GENUS 2296:6FMR nidx=null]
 + Paramontastraea Huang & Budd, 2014 [ACCEPTED GENUS 2298:84QX9 nidx=null]
Parampharete
 - Parampharete [ACCEPTED GENUS 2296:6FND nidx=null]
 + Parampharete Hartman, 1967 [ACCEPTED GENUS 2298:84QXD nidx=null]
Paramphicteis
 - Paramphicteis [ACCEPTED GENUS 2296:6FNK nidx=null]
 + Paramphicteis Caullery, 1944 [ACCEPTED GENUS 2298:84QG3 nidx=null]
Paramphinome
 - Paramphinome [ACCEPTED GENUS 2296:6FNS nidx=null]
 + Paramphinome M. Sars in G. Sars, 1872 [ACCEPTED GENUS 2298:84QG5 nidx=null]
Paramphitrite birulai
 - Paramphitrite birulai (Ssolowiew, 1899) [ACCEPTED SPECIES 2296:4D42X nidx=null]
 + Paramphitrite birulai (Ssolowiew, 1899) [SYNONYM SPECIES 2298:84ZMC nidx=null parent=84TDM]
Paramphitrite tetrabranchia
 - Paramphitrite tetrabranchia Holthe, 1976 [ACCEPTED SPECIES 2296:4D42Z nidx=null]
 + Paramphitrite tetrabranchia Holthe, 1976 [SYNONYM SPECIES 2298:84ZMD nidx=null parent=84TDM]
Paramuricea
 - Paramuricea [ACCEPTED GENUS 2296:63LMZ nidx=null]
 + Paramuricea Kölliker, 1865 [ACCEPTED GENUS 2298:84QG7 nidx=null]
Paramurrayona
 - Paramurrayona [ACCEPTED GENUS 2296:6FPC nidx=null]
 + Paramurrayona Vacelet, 1967 [ACCEPTED GENUS 2298:84QG8 nidx=null]
Paramurrayonidae
 - Paramurrayonidae [ACCEPTED FAMILY 2296:626K9 nidx=null]
 + Paramurrayonidae Vacelet, 1967 [ACCEPTED FAMILY 2298:84KBG nidx=null]
Paramytha
 - Paramytha [ACCEPTED GENUS 2296:6FQF nidx=null]
 + Paramytha Kongsrud, Eilertsen, Alvestad, Kongshavn & Rapp, 2017 [ACCEPTED GENUS 2298:84QXJ nidx=null]
Paranadrilus
 - Paranadrilus [ACCEPTED GENUS 2296:6FQQ nidx=null]
 + Paranadrilus Gavrilov, 1955 [ACCEPTED GENUS 2298:84QGB nidx=null]
Paranais
 - Paranais [ACCEPTED GENUS 2296:6FQZ nidx=null]
 + Paranais Czerniavsky, 1881 [ACCEPTED GENUS 2298:84QGC nidx=null]
Paranaitis
 - Paranaitis [ACCEPTED GENUS 2296:6FR2 nidx=null]
 + Paranaitis Southern, 1914 [ACCEPTED GENUS 2298:84QGD nidx=null]
Paranarella
 - Paranarella [ACCEPTED GENUS 2296:6FRM nidx=null]
 + Paranarella Cairns, 2007 [ACCEPTED GENUS 2298:84QXK nidx=null]
Paranarthrura
 - Paranarthrura [ACCEPTED GENUS 2296:6FRP nidx=null]
 + Paranarthrura Hansen, 1913 [ACCEPTED GENUS 2298:84QGF nidx=null]
Paranarthrurella
 - Paranarthrurella [ACCEPTED GENUS 2296:6FRQ nidx=null]
 + Paranarthrurella Lang, 1971 [ACCEPTED GENUS 2298:84QGG nidx=null]
Parandalia americana
 - Parandalia americana (Hartman, 1947) [SYNONYM SPECIES 2296:75PFC nidx=null parent=6LRGX]
 + Parandalia americana (Hartman, 1947) [SYNONYM SPECIES 2298:84Y2G nidx=null parent=84YCB]
Paranemertes
 - Paranemertes [ACCEPTED GENUS 2296:6FTN nidx=null]
 + Paranemertes Coe, 1901 [ACCEPTED GENUS 2298:84QGK nidx=null]
Paranemertes cylindracea
 - Paranemertes cylindracea Korotkevich, 1977 [ACCEPTED SPECIES 2296:6TPJC nidx=null]
 + Paranemertes cylindracea Korotkevich, 1977 [SYNONYM SPECIES 2298:84ZMG nidx=null parent=6TPJG]
Paranemertopsis
 - Paranemertopsis [ACCEPTED GENUS 2296:6FTP nidx=null]
 + Paranemertopsis Gibson, 1990 [ACCEPTED GENUS 2298:84QXL nidx=null]
Paranereites
 - Paranereites [ACCEPTED GENUS 2296:63LNF nidx=null]
 + Paranereites Eisenack, 1939 [ACCEPTED GENUS 2298:84QXM nidx=null]
Paranerilla
 - Paranerilla [ACCEPTED GENUS 2296:63LNG nidx=null]
 + Paranerilla Jouin & Swedmark, 1965 [ACCEPTED GENUS 2298:84QGT nidx=null]
Paranesidea
 - Paranesidea [ACCEPTED GENUS 2296:63LP4 nidx=null]
 + Paranesidea Maddocks, 1969 [ACCEPTED GENUS 2298:84QGV nidx=null]
Paranesidea attenuata
 - Paranesidea attenuata (Brady, 1880) [ACCEPTED SPECIES 2296:4D5Z2 nidx=null]
 + Paranesidea attenuata (Brady, 1880) [SYNONYM SPECIES 2298:84ZMH nidx=null parent=84XQL]
Paranesotanais
 - Paranesotanais [ACCEPTED GENUS 2296:63LP7 nidx=null]
 + Paranesotanais Larsen & Shimomura, 2008 [ACCEPTED GENUS 2298:84QXN nidx=null]
Paraninoe
 - Paraninoe [ACCEPTED GENUS 2296:6FVL nidx=null]
 + Paraninoe Levenstein, 1977 [ACCEPTED GENUS 2298:84QXP nidx=null]
Paranymphon
 - Paranymphon [ACCEPTED GENUS 2296:6FYT nidx=null]
 + Paranymphon Caullery, 1896 [ACCEPTED GENUS 2298:84QGX nidx=null]
Paraonidae
 - Paraonidae [ACCEPTED FAMILY 2296:DZM nidx=null]
 + Paraonidae Cerruti, 1909 [ACCEPTED FAMILY 2298:84KBH nidx=null]
Paraonides
 - Paraonides [ACCEPTED GENUS 2296:6FZ6 nidx=null]
 + Paraonides Cerruti, 1909 [ACCEPTED GENUS 2298:84QGY nidx=null]
Paraonis
 - Paraonis [ACCEPTED GENUS 2296:6FZ9 nidx=null]
 + Paraonis Grube, 1873 [ACCEPTED GENUS 2298:84QGZ nidx=null]
Paraonis pycnobranchiata
 - Paraonis pycnobranchiata Fauchald, 1972 [ACCEPTED SPECIES 2296:4D6ZC nidx=null]
 + Paraonis pycnobranchiata Fauchald, 1972 [SYNONYM SPECIES 2298:84ZMJ nidx=null parent=85DXD]
Paraopisthosyllis
 - Paraopisthosyllis [ACCEPTED GENUS 2296:6FZF nidx=null]
 + Paraopisthosyllis Hartmann-Schröder, 1991 [ACCEPTED GENUS 2298:84QXR nidx=null]
Paraorbiniella
 - Paraorbiniella [ACCEPTED GENUS 2296:6FZG nidx=null]
 + Paraorbiniella Rullier, 1974 [ACCEPTED GENUS 2298:84QXS nidx=null]
Parapagurapseudopsis
 - Parapagurapseudopsis [ACCEPTED GENUS 2296:6G22 nidx=null]
 + Parapagurapseudopsis Brum, 1974 [ACCEPTED GENUS 2298:84QH2 nidx=null]
Parapallene
 - Parapallene [ACCEPTED GENUS 2296:63M28 nidx=null]
 + Parapallene Carpenter, 1892 [ACCEPTED GENUS 2298:84QH3 nidx=null]
Paraphilomedes
 - Paraphilomedes [ACCEPTED GENUS 2296:6G6V nidx=null]
 + Paraphilomedes Poulsen, 1962 [ACCEPTED GENUS 2298:84QXT nidx=null]
Paraphyllina
 - Paraphyllina [ACCEPTED GENUS 2296:6G8S nidx=null]
 + Paraphyllina Maas, 1903 [ACCEPTED GENUS 2298:84M6N nidx=null]
Paraphyllinidae
 - Paraphyllinidae [ACCEPTED FAMILY 2296:DZR nidx=null]
 + Paraphyllinidae Maas, 1903 [ACCEPTED FAMILY 2298:84KBJ nidx=null]
Parapionosyllis
 - Parapionosyllis [ACCEPTED GENUS 2296:63LR8 nidx=null]
 + Parapionosyllis Fauvel, 1923 [ACCEPTED GENUS 2298:84QH8 nidx=null]
Parapionosyllis paucicirra papillata
 - Parapionosyllis paucicirra papillata (Hartmann-Schröder, 1962) [ACCEPTED INFRASPECIFIC_NAME 2296:7HQB5 nidx=null]
 - Parapionosyllis paucicirra papillata Hartmann-Schröder, 1962 [SYNONYM SUBSPECIES 2296:7HQB6 nidx=null parent=7HQB5]
 + Parapionosyllis paucicirra papillata Hartmann-Schröder, 1962 [SYNONYM SUBSPECIES 2298:852PF nidx=null parent=85FLB]
Paraplexaura
 - Paraplexaura [ACCEPTED GENUS 2296:6GC8 nidx=null]
 + Paraplexaura Kükenthal, 1909 [ACCEPTED GENUS 2298:84QXX nidx=null]
Parapodrilus
 - Parapodrilus [ACCEPTED GENUS 2296:6GCV nidx=null]
 + Parapodrilus Westheide, 1965 [ACCEPTED GENUS 2298:84QHD nidx=null]
Parapolia
 - Parapolia [ACCEPTED GENUS 2296:6GCZ nidx=null]
 + Parapolia Coe, 1895 [ACCEPTED GENUS 2298:84QHF nidx=null]
Parapolycope
 - Parapolycope [ACCEPTED GENUS 2296:6GD7 nidx=null]
 + Parapolycope Klie, 1936 [ACCEPTED GENUS 2298:84QXY nidx=null]
Parapolycopissa
 - Parapolycopissa [ACCEPTED GENUS 2296:6GD8 nidx=null]
 + Parapolycopissa Chavtur, 1981 [ACCEPTED GENUS 2298:84QXZ nidx=null]
Parapolyeunoa
 - Parapolyeunoa [ACCEPTED GENUS 2296:6GDC nidx=null]
 + Parapolyeunoa Barnich, Gambi & Fiege, 2012 [ACCEPTED GENUS 2298:84QY2 nidx=null]
Parapontoparta
 - Parapontoparta [ACCEPTED GENUS 2296:6GDQ nidx=null]
 + Parapontoparta Hartmann, 1955 [ACCEPTED GENUS 2298:84QHJ nidx=null]
Paraprionospio
 - Paraprionospio [ACCEPTED GENUS 2296:63M3S nidx=null]
 + Paraprionospio Caullery, 1914 [ACCEPTED GENUS 2298:84QHK nidx=null]
Paraprionospio pinnata inaequibranchia
 - Paraprionospio pinnata inaequibranchia (Caullery, 1914) [ACCEPTED INFRASPECIFIC_NAME 2296:7HQCL nidx=null]
 + Paraprionospio pinnata inaequibranchia (Caullery, 1914) [SYNONYM SUBSPECIES 2298:852PG nidx=null parent=85F5F]
Paraprionospio tamaii
 - Paraprionospio tamaii Delgado-Blas, 2004 [SYNONYM SPECIES 2296:4D9Q9 nidx=null parent=4D9Q4]
 + Paraprionospio tamaii Delgado-Blas, 2004 [ACCEPTED SPECIES 2298:84ZMK nidx=null]
Paraprionospio treadwelli
 - Paraprionospio treadwelli (Hartman, 1951) [SYNONYM SPECIES 2296:6TR9C nidx=null parent=4D9Q4]
 + Paraprionospio treadwelli (Hartman, 1951) [ACCEPTED SPECIES 2298:84ZML nidx=null]
Paraprionospio yokoyamai
 - Paraprionospio yokoyamai Delgado-Blas, 2004 [SYNONYM SPECIES 2296:4D9QC nidx=null parent=4D9Q4]
 + Paraprionospio yokoyamai Delgado-Blas, 2004 [ACCEPTED SPECIES 2298:84ZMM nidx=null]
Paraproceraea
 - Paraproceraea [ACCEPTED GENUS 2296:63M3X nidx=null]
 + Paraproceraea Nygren, 2004 [ACCEPTED GENUS 2298:84QY3 nidx=null]
Paraprocerastea
 - Paraprocerastea [ACCEPTED GENUS 2296:63M49 nidx=null]
 + Paraprocerastea San Martín & Alós, 1989 [ACCEPTED GENUS 2298:84QY4 nidx=null]
Paraprotis
 - Paraprotis [ACCEPTED GENUS 2296:6GFK nidx=null]
 + Paraprotis Uchida, 1978 [ACCEPTED GENUS 2298:84QY6 nidx=null]
Parapseudes
 - Parapseudes [ACCEPTED GENUS 2296:6GG4 nidx=null]
 + Parapseudes Sars, 1882 [ACCEPTED GENUS 2298:84QHQ nidx=null]
Parapseudidae
 - Parapseudidae [ACCEPTED FAMILY 2296:DZX nidx=null]
 + Parapseudidae Gutu, 1981 [ACCEPTED FAMILY 2298:84KBK nidx=null]
Parapseudotanais
 - Parapseudotanais [ACCEPTED GENUS 2296:6GGF nidx=null]
 + Parapseudotanais Bird & Holdich, 1989 [ACCEPTED GENUS 2298:84QY9 nidx=null]
Parapterosyllis
 - Parapterosyllis [ACCEPTED GENUS 2296:6GGY nidx=null]
 + Parapterosyllis Hartmann-Schröder, 1960 [ACCEPTED GENUS 2298:84QYB nidx=null]
Paraquadracythere
 - Paraquadracythere [ACCEPTED GENUS 2296:6GHW nidx=null]
 + Paraquadracythere Jellinek, 1993 [ACCEPTED GENUS 2298:84QYC nidx=null]
Pararctonoella
 - Pararctonoella [ACCEPTED GENUS 2296:6GJN nidx=null]
 + Pararctonoella Pettibone, 1996 [ACCEPTED GENUS 2298:84QYD nidx=null]
Pararete
 - Pararete [ACCEPTED GENUS 2296:6GJX nidx=null]
 + Pararete Ijima, 1927 [ACCEPTED GENUS 2298:84QHR nidx=null]
Pararhaphoxya
 - Pararhaphoxya [ACCEPTED GENUS 2296:6GKL nidx=null]
 + Pararhaphoxya Burton, 1934 [ACCEPTED GENUS 2298:84QHV nidx=null]
Pararhyacodrilus
 - Pararhyacodrilus [ACCEPTED GENUS 2296:6GL4 nidx=null]
 + Pararhyacodrilus Snimschikova, 1986 [ACCEPTED GENUS 2298:84QYJ nidx=null]
Pararhyacodrilus confusus
 - Pararhyacodrilus confusus Semernoy, 2004 [ACCEPTED SPECIES 2296:76338 nidx=null]
 + Pararhyacodrilus confusus Semernoy, 2004 [SYNONYM SPECIES 2298:84ZMN nidx=null parent=85S7S]
Pararhyacodrilus palustris
 - Pararhyacodrilus palustris (Ditlevsen, 1904) [ACCEPTED SPECIES 2296:6TQQX nidx=null]
 + Pararhyacodrilus palustris (Ditlevsen, 1904) [SYNONYM SPECIES 2298:84ZMP nidx=null parent=8525G]
Pararhynchelmis
 - Pararhynchelmis [ACCEPTED GENUS 2296:6GL6 nidx=null]
 + Pararhynchelmis Fend & Lenat, 2010 [ACCEPTED GENUS 2298:84QHW nidx=null]
Parasabella
 - Parasabella [ACCEPTED GENUS 2296:6GMG nidx=null]
 + Parasabella Bush, 1905 [ACCEPTED GENUS 2298:84QYK nidx=null]
Parasabella midoculi
 - Parasabella midoculi Hoagland, 1919 [SYNONYM SPECIES 2296:6TR59 nidx=null parent=3P3TT]
 + Parasabella midoculi Hoagland, 1919 [SYNONYM SPECIES 2298:84ZMQ nidx=null parent=85F3D]
Parasabellidites
 - Parasabellidites [ACCEPTED GENUS 2296:6GMH nidx=null]
 + Parasabellidites Luo & Zhang, 1986 [ACCEPTED GENUS 2298:84QYL nidx=null]
Parasarsiella
 - Parasarsiella [ACCEPTED GENUS 2296:6GND nidx=null]
 + Parasarsiella Poulsen, 1965 [ACCEPTED GENUS 2298:84QHY nidx=null]
Parasclerocheilus
 - Parasclerocheilus [ACCEPTED GENUS 2296:6GPV nidx=null]
 + Parasclerocheilus Fauvel, 1928 [ACCEPTED GENUS 2298:84QHZ nidx=null]
Parasinelobus
 - Parasinelobus [ACCEPTED GENUS 2296:6GSY nidx=null]
 + Parasinelobus Sieg, 1980 [ACCEPTED GENUS 2298:84QJ5 nidx=null]
Parasmilia
 - Parasmilia [ACCEPTED GENUS 2296:6GTS nidx=null]
 + Parasmilia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84QYN nidx=null]
Parasphaerasclera
 - Parasphaerasclera [ACCEPTED GENUS 2296:63LSF nidx=null]
 + Parasphaerasclera McFadden & van Ofwegen, 2013 [ACCEPTED GENUS 2298:84QYP nidx=null]
Parasphaerascleridae
 - Parasphaerascleridae [ACCEPTED FAMILY 2296:626LN nidx=null]
 + Parasphaerascleridae McFadden & van Ofwegen, 2013 [ACCEPTED FAMILY 2298:84KBM nidx=null]
Parasphaerosyllis
 - Parasphaerosyllis [ACCEPTED GENUS 2296:6GVB nidx=null]
 + Parasphaerosyllis Monro, 1937 [ACCEPTED GENUS 2298:84QJ6 nidx=null]
Parasterope
 - Parasterope [ACCEPTED GENUS 2296:6GXQ nidx=null]
 + Parasterope Kornicker, 1975 [ACCEPTED GENUS 2298:84QJ8 nidx=null]
Paratanaidae
 - Paratanaidae [ACCEPTED FAMILY 2296:626L3 nidx=null]
 + Paratanaidae Lang, 1949 [ACCEPTED FAMILY 2298:84KBL nidx=null]
Paratanais
 - Paratanais [ACCEPTED GENUS 2296:63LSS nidx=null]
 + Paratanais Dana, 1853 [ACCEPTED GENUS 2298:84QJD nidx=null]
Paratanaoidea
 - Paratanaoidea [ACCEPTED SUPERFAMILY 2296:5GJ nidx=null]
 + Paratanaoidea Lang, 1949 [ACCEPTED SUPERFAMILY 2298:84JSH nidx=null]
Paratanella
 - Paratanella [ACCEPTED GENUS 2296:6H3G nidx=null]
 + Paratanella Jellinek, 1993 [ACCEPTED GENUS 2298:84QYR nidx=null]
Paratelesto
 - Paratelesto [ACCEPTED GENUS 2296:6H4D nidx=null]
 + Paratelesto Utinomi, 1958 [ACCEPTED GENUS 2298:84QYS nidx=null]
Paratetilla
 - Paratetilla [ACCEPTED GENUS 2296:63LT3 nidx=null]
 + Paratetilla Dendy, 1905 [ACCEPTED GENUS 2298:84QJF nidx=null]
Parathelepus
 - Parathelepus [ACCEPTED GENUS 2296:6H63 nidx=null]
 + Parathelepus Caullery, 1915 [ACCEPTED GENUS 2298:84QJJ nidx=null]
Paratherochaeta
 - Paratherochaeta [ACCEPTED GENUS 2296:6H6G nidx=null]
 + Paratherochaeta Salazar-Vallejo, 2013 [ACCEPTED GENUS 2298:84QYT nidx=null]
Paratimea
 - Paratimea [ACCEPTED GENUS 2296:6H7Z nidx=null]
 + Paratimea Hallmann, 1917 [ACCEPTED GENUS 2298:84QJM nidx=null]
Paratyphlotanais
 - Paratyphlotanais [ACCEPTED GENUS 2296:6HDG nidx=null]
 + Paratyphlotanais Kudinova-Pasternak & Pasternak, 1978 [ACCEPTED GENUS 2298:84QJR nidx=null]
Paratyposyllis
 - Paratyposyllis [ACCEPTED GENUS 2296:6HDK nidx=null]
 + Paratyposyllis Hartmann-Schröder, 1962 [ACCEPTED GENUS 2298:84QZ6 nidx=null]
Parautolytus
 - Parautolytus [ACCEPTED GENUS 2296:63LFN nidx=null]
 + Parautolytus Ehlers, 1900 [ACCEPTED GENUS 2298:84QZ7 nidx=null]
Paravargula
 - Paravargula [ACCEPTED GENUS 2296:63LG4 nidx=null]
 + Paravargula Poulsen, 1962 [ACCEPTED GENUS 2298:84QZ8 nidx=null]
Paraxestoleberis
 - Paraxestoleberis [ACCEPTED GENUS 2296:6HGG nidx=null]
 + Paraxestoleberis Warne, Whatley & Blagden, 2006 [ACCEPTED GENUS 2298:84QZ9 nidx=null]
Paraxionice
 - Paraxionice [ACCEPTED GENUS 2296:6HGK nidx=null]
 + Paraxionice Fauchald, 1972 [ACCEPTED GENUS 2298:84QZB nidx=null]
Parborlasia
 - Parborlasia [ACCEPTED GENUS 2296:6HJ6 nidx=null]
 + Parborlasia Friedrich, 1970 [ACCEPTED GENUS 2298:84QZC nidx=null]
Parergodrilidae
 - Parergodrilidae [ACCEPTED FAMILY 2296:626BB nidx=null]
 + Parergodrilidae Reisinger, 1925 [ACCEPTED FAMILY 2298:84KBN nidx=null]
Parergodrilus
 - Parergodrilus [ACCEPTED GENUS 2296:6HPL nidx=null]
 + Parergodrilus Reisinger, 1925 [ACCEPTED GENUS 2298:84QJY nidx=null]
Paresperella bidentata
 - Paresperella bidentata Dendy, 1905 [SYNONYM SPECIES 2296:763FX nidx=null parent=44RZJ]
 + Paresperella bidentata Dendy, 1905 [SYNONYM SPECIES 2298:84ZN6 nidx=null parent=44RZS]
Paresperella dichela
 - Paresperella dichela (Hentschel, 1911) [SYNONYM SPECIES 2296:6TRFY nidx=null parent=44RZM]
 + Paresperella dichela (Hentschel, 1911) [SYNONYM SPECIES 2298:84ZN7 nidx=null parent=44RZT]
Paresperella repens
 - Paresperella repens Whitelegge, 1907 [SYNONYM SPECIES 2296:763FZ nidx=null parent=44RZV]
 + Paresperella repens Whitelegge, 1907 [SYNONYM SPECIES 2298:84ZN8 nidx=null parent=44RZT]
Paresperella toxifera
 - Paresperella toxifera Lévi, 1963 [SYNONYM SPECIES 2296:763GB nidx=null parent=44RZZ]
 + Paresperella toxifera Lévi, 1963 [SYNONYM SPECIES 2298:84ZN9 nidx=null parent=85T3Y]
Pareulagisca
 - Pareulagisca [ACCEPTED GENUS 2296:6HQK nidx=null]
 + Pareulagisca Pettibone, 1997 [ACCEPTED GENUS 2298:84QZN nidx=null]
Pareulepis
 - Pareulepis [ACCEPTED GENUS 2296:6HQL nidx=null]
 + Pareulepis Darboux, 1900 [ACCEPTED GENUS 2298:84QK3 nidx=null]
Pareurythoe
 - Pareurythoe [ACCEPTED GENUS 2296:6HR8 nidx=null]
 + Pareurythoe Gustafson, 1930 [ACCEPTED GENUS 2298:84QK4 nidx=null]
Pareurythoe parvecarunculata
 - Pareurythoe parvecarunculata (Horst, 1912) [ACCEPTED SPECIES 2296:4DLL2 nidx=null]
 + Pareurythoe parvecarunculata (Horst, 1912) [SYNONYM SPECIES 2298:84ZNB nidx=null parent=ZYBF]
Parexogone
 - Parexogone [ACCEPTED GENUS 2296:6HS7 nidx=null]
 + Parexogone Mesnil & Caullery, 1918 [ACCEPTED GENUS 2298:84QZQ nidx=null]
Parheteromastides
 - Parheteromastides [ACCEPTED GENUS 2296:6HSW nidx=null]
 + Parheteromastides Hartmann-Schröder, 1962 [ACCEPTED GENUS 2298:84QZR nidx=null]
Parheteromastus
 - Parheteromastus [ACCEPTED GENUS 2296:6HSX nidx=null]
 + Parheteromastus Monro, 1937 [ACCEPTED GENUS 2298:84QK5 nidx=null]
Parinari wallichianum
 - Parinari wallichianum R. Br. [SYNONYM SPECIES 2296:4DML8 nidx=null parent=36QTK]
 + Parinari wallichianum R. Br. [SYNONYM SPECIES 2298:84Y8T nidx=null parent=36QTK]
Parischyronemertes
 - Parischyronemertes [ACCEPTED GENUS 2296:6HVL nidx=null]
 + Parischyronemertes Gibson, 2002 [ACCEPTED GENUS 2298:84QZT nidx=null]
Parisididae
 - Parisididae [ACCEPTED FAMILY 2296:626B5 nidx=null]
 + Parisididae Aurivillius, 1931 [ACCEPTED FAMILY 2298:84KBP nidx=null]
Parisis
 - Parisis [ACCEPTED GENUS 2296:6HVQ nidx=null]
 + Parisis Verrill, 1864 [ACCEPTED GENUS 2298:84QZV nidx=null]
Parophryotrocha
 - Parophryotrocha [ACCEPTED GENUS 2296:6J4F nidx=null]
 + Parophryotrocha Hartmann-Schröder, 1971 [ACCEPTED GENUS 2298:84QKK nidx=null]
Parougia
 - Parougia [ACCEPTED GENUS 2296:6J6Q nidx=null]
 + Parougia Wolf, 1986 [ACCEPTED GENUS 2298:84QKP nidx=null]
Paroxyna absynthi
 - Paroxyna absynthi Hendel, 1934 [SYNONYM SPECIES 2296:4DSYD nidx=null parent=QCLT]
 + Paroxyna absynthi Hendel, 1934 [SYNONYM SPECIES 2298:84Y37 nidx=null parent=QCLT]
Parsimonia
 - Parsimonia [ACCEPTED GENUS 2296:6J8B nidx=null]
 + Parsimonia Regenhardt, 1961 [ACCEPTED GENUS 2298:84QZX nidx=null]
Parthenoecia
 - Parthenoecia [ACCEPTED GENUS 2296:6J8T nidx=null]
 + Parthenoecia Chavtur, in Chavtur & Bashmanov, 2018 [ACCEPTED GENUS 2298:84QZY nidx=null]
Parulrichia
 - Parulrichia [ACCEPTED GENUS 2296:6J9J nidx=null]
 + Parulrichia Schmidt, 1941 [ACCEPTED GENUS 2298:84QZZ nidx=null]
Parumbrosa
 - Parumbrosa [ACCEPTED GENUS 2296:6J9L nidx=null]
 + Parumbrosa Kishinouye, 1910 [ACCEPTED GENUS 2298:84M6P nidx=null]
Parvicapsula
 - Parvicapsula [ACCEPTED GENUS 2296:63LM8 nidx=null]
 + Parvicapsula Shulman, 1953 [ACCEPTED GENUS 2298:84R22 nidx=null]
Parvicapsulidae
 - Parvicapsulidae [ACCEPTED FAMILY 2296:626C4 nidx=null]
 + Parvicapsulidae Shulman, 1953 [ACCEPTED FAMILY 2298:84KBS nidx=null]
Parvicirrus
 - Parvicirrus [ACCEPTED GENUS 2296:6JB3 nidx=null]
 + Parvicirrus Ris, 1993 [ACCEPTED GENUS 2298:84R23 nidx=null]
Parvidentoecia
 - Parvidentoecia [ACCEPTED GENUS 2296:6JB6 nidx=null]
 + Parvidentoecia Chavtur, in Chavtur & Bashmanov, 2018 [ACCEPTED GENUS 2298:84R24 nidx=null]
Parvidrilidae
 - Parvidrilidae [ACCEPTED FAMILY 2296:626BT nidx=null]
 + Parvidrilidae Erséus, 1999 [ACCEPTED FAMILY 2298:84KBQ nidx=null]
Parvidrilus
 - Parvidrilus [ACCEPTED GENUS 2296:6JB9 nidx=null]
 + Parvidrilus Erséus, 1999 [ACCEPTED GENUS 2298:84QKZ nidx=null]
Parvocythere
 - Parvocythere [ACCEPTED GENUS 2296:6JCL nidx=null]
 + Parvocythere Hartmann, 1959 [ACCEPTED GENUS 2298:84QL3 nidx=null]
Parvocytheridae
 - Parvocytheridae [ACCEPTED FAMILY 2296:626C5 nidx=null]
 + Parvocytheridae Hartmann, 1959 [ACCEPTED FAMILY 2298:84KBR nidx=null]
Paryndolacia
 - Paryndolacia [ACCEPTED GENUS 2296:6JDG nidx=null]
 + Paryndolacia Buzhinskaja, 2004 [ACCEPTED GENUS 2298:84R25 nidx=null]
Pastinaca fleischmannii
 - Pastinaca fleischmannii Hladnik [SYNONYM SPECIES 2296:4DZ8S nidx=null parent=5K8TJ]
 + Pastinaca fleischmannii Hladnik [SYNONYM SPECIES 2298:84Y99 nidx=null parent=5K8TJ]
Patellacythere
 - Patellacythere [ACCEPTED GENUS 2296:6JJ7 nidx=null]
 + Patellacythere Gruendel & Kozur, 1972 [ACCEPTED GENUS 2298:84R26 nidx=null]
Paucibranchia
 - Paucibranchia [ACCEPTED GENUS 2296:63LBY nidx=null]
 + Paucibranchia Molina-Acevedo, 2018 [ACCEPTED GENUS 2298:84R29 nidx=null]
Paumotella
 - Paumotella [ACCEPTED GENUS 2296:6JPY nidx=null]
 + Paumotella Chamberlin, 1919 [ACCEPTED GENUS 2298:84R2B nidx=null]
Paupidrilus
 - Paupidrilus [ACCEPTED GENUS 2296:6JQ4 nidx=null]
 + Paupidrilus Erséus, 1990 [ACCEPTED GENUS 2298:84R2C nidx=null]
Pavelius makranensis
 - Pavelius makranensis Reuscher & Fiege, 2016 [ACCEPTED SPECIES 2296:6TV5D nidx=null]
 + Pavelius makranensis Reuscher & Fiege, 2016 [SYNONYM SPECIES 2298:84ZNC nidx=null parent=85DZY]
Pavelius uschakovi
 - Pavelius uschakovi Kuznetsov & Levenstein, 1988 [ACCEPTED SPECIES 2296:75V5D nidx=null]
 + Pavelius uschakovi Kuznetsov & Levenstein, 1988 [SYNONYM SPECIES 2298:84ZND nidx=null parent=85F22]
Pavona
 - Pavona [ACCEPTED GENUS 2296:6JSB nidx=null]
 + Pavona Lamarck, 1801 [ACCEPTED GENUS 2298:84QLQ nidx=null]
Paxtonia
 - Paxtonia [ACCEPTED GENUS 2296:6JT2 nidx=null]
 + Paxtonia Budaeva & Fauchald, 2011 [ACCEPTED GENUS 2298:84R2F nidx=null]
Peavinenemertes
 - Peavinenemertes [ACCEPTED GENUS 2296:63LCZ nidx=null]
 + Peavinenemertes Iwata, 2011 [ACCEPTED GENUS 2298:84R2J nidx=null]
Pectinapseudes
 - Pectinapseudes [ACCEPTED GENUS 2296:6JVS nidx=null]
 + Pectinapseudes Bacescu & Williams, 1988 [ACCEPTED GENUS 2298:84QLV nidx=null]
Pectinaria capensis
 - Pectinaria capensis (Pallas, 1766) [ACCEPTED SPECIES 2296:75VKL nidx=null]
 + Pectinaria capensis (Pallas, 1766) [SYNONYM SPECIES 2298:84ZNG nidx=null parent=85DN6]
Pectinaria leioscapha
 - Pectinaria leioscapha Caullery, 1944 [ACCEPTED SPECIES 2296:767N6 nidx=null]
 + Pectinaria leioscapha Caullery, 1944 [SYNONYM SPECIES 2298:84ZNH nidx=null parent=D28H]
Pectinariidae
 - Pectinariidae [ACCEPTED FAMILY 2296:626CX nidx=null]
 + Pectinariidae Quatrefages, 1866 [ACCEPTED FAMILY 2298:84KBT nidx=null]
Pectinia
 - Pectinia [ACCEPTED GENUS 2296:6JW5 nidx=null]
 + Pectinia Blainville, 1825 [ACCEPTED GENUS 2298:84QLW nidx=null]
Pectinodrilus
 - Pectinodrilus [ACCEPTED GENUS 2296:6JWT nidx=null]
 + Pectinodrilus Erséus, 1992 [ACCEPTED GENUS 2298:84QLX nidx=null]
Pectispongilla
 - Pectispongilla [ACCEPTED GENUS 2296:6JX8 nidx=null]
 + Pectispongilla Annandale, 1909 [ACCEPTED GENUS 2298:84QLY nidx=null]
Pectocythere
 - Pectocythere [ACCEPTED GENUS 2296:6JXC nidx=null]
 + Pectocythere Hanai, 1957 [ACCEPTED GENUS 2298:84QLZ nidx=null]
Pectocytheridae
 - Pectocytheridae [ACCEPTED FAMILY 2296:625SK nidx=null]
 + Pectocytheridae Hanai, 1957 [ACCEPTED FAMILY 2298:84KBV nidx=null]
Pedarites
 - Pedarites [ACCEPTED GENUS 2296:6JY2 nidx=null]
 + Pedarites Eisenack, 1981 [ACCEPTED GENUS 2298:84R2N nidx=null]
Pedicellocyathus
 - Pedicellocyathus [ACCEPTED GENUS 2296:6JYT nidx=null]
 + Pedicellocyathus Cairns, 1995 [ACCEPTED GENUS 2298:84QM3 nidx=null]
Pedicularis achilleiifolia
 - Pedicularis achilleiifolia Host ex Boiss. [AMBIGUOUS_SYNONYM SPECIES 2296:6TWSJ nidx=null parent=5K95K]
 - Pedicularis achilleiifolia Turcz. ex Bunge [AMBIGUOUS_SYNONYM SPECIES 2296:7694H nidx=null parent=75WW9]
 + Pedicularis achilleiifolia Turcz. ex Bunge [AMBIGUOUS_SYNONYM SPECIES 2298:84Y9V nidx=null parent=75WW9]
 + Pedicularis achilleiifolia Host ex Boiss. [AMBIGUOUS_SYNONYM SPECIES 2298:84Y9W nidx=null parent=5K95K]
Pedicularis dolichorrhiza
 - Pedicularis dolichorrhiza Rchb. [SYNONYM SPECIES 2296:75WW4 nidx=null parent=5K95J]
 + Pedicularis dolichorrhiza Rchb. [SYNONYM SPECIES 2298:84Y9X nidx=null parent=5K95J]
Pedicythere
 - Pedicythere [ACCEPTED GENUS 2296:6JZ5 nidx=null]
 + Pedicythere Eagar, 1965 [ACCEPTED GENUS 2298:84QM4 nidx=null]
Pedinosoma
 - Pedinosoma [ACCEPTED GENUS 2296:6JZY nidx=null]
 + Pedinosoma Reibisch, 1895 [ACCEPTED GENUS 2298:84QM6 nidx=null]
Pedinosoma polaris
 - Pedinosoma polaris Buzhinskaja, 2017 [ACCEPTED SPECIES 2296:75YFS nidx=null]
 + Pedinosoma polaris Buzhinskaja, 2017 [SYNONYM SPECIES 2298:84ZNJ nidx=null parent=85DPF]
Pedonais
 - Pedonais [ACCEPTED GENUS 2296:6K3F nidx=null]
 + Pedonais Collado de la Peña & Schmelz, 2000 [ACCEPTED GENUS 2298:84R2P nidx=null]
Peinaleopolynoe
 - Peinaleopolynoe [ACCEPTED GENUS 2296:6K5Q nidx=null]
 + Peinaleopolynoe Desbruyères & Laubier, 1988 [ACCEPTED GENUS 2298:84R2Q nidx=null]
Peipsidrilus
 - Peipsidrilus [ACCEPTED GENUS 2296:6K5R nidx=null]
 + Peipsidrilus Timm, 1977 [ACCEPTED GENUS 2298:84R2R nidx=null]
Pelagia
 - Pelagia [ACCEPTED GENUS 2296:6K64 nidx=null]
 + Pelagia Péron & Lesueur, 1810 [ACCEPTED GENUS 2298:84M6R nidx=null]
Pelagiidae
 - Pelagiidae [ACCEPTED FAMILY 2296:625SS nidx=null]
 + Pelagiidae Gegenbaur, 1856 [ACCEPTED FAMILY 2298:84KBW nidx=null]
Pelagobia
 - Pelagobia [ACCEPTED GENUS 2296:6K6D nidx=null]
 + Pelagobia Greeff, 1879 [ACCEPTED GENUS 2298:84QMJ nidx=null]
Pelagomacellicephala
 - Pelagomacellicephala [ACCEPTED GENUS 2296:6K6N nidx=null]
 + Pelagomacellicephala Pettibone, 1985 [ACCEPTED GENUS 2298:84R2S nidx=null]
Pelagonemertes
 - Pelagonemertes [ACCEPTED GENUS 2296:6K6R nidx=null]
 + Pelagonemertes Moseley, 1875 [ACCEPTED GENUS 2298:84R2T nidx=null]
Pelagonemertes chavesi
 - Pelagonemertes chavesi [SYNONYM SPECIES 2296:75Y39 nidx=null parent=KF82]
 + Pelagonemertes chavesi (Joubin, 1906) [SYNONYM SPECIES 2298:84ZNK nidx=null parent=KF82]
Pelagonemertes richardi
 - Pelagonemertes richardi [SYNONYM SPECIES 2296:6TXRD nidx=null parent=3FH8G]
 + Pelagonemertes richardi Joubin, 1906 [SYNONYM SPECIES 2298:84ZNL nidx=null parent=3FH8G]
Pelagonemertes robusta
 - Pelagonemertes robusta Korotkevich, 1955 [ACCEPTED SPECIES 2296:6TY3D nidx=null]
 + Pelagonemertes robusta Korotkevich, 1955 [SYNONYM SPECIES 2298:84ZNM nidx=null parent=85KD9]
Pelargonium spatulatum
 - Pelargonium spatulatum (Andr.) G. Don [SYNONYM SPECIES 2296:75ZD4 nidx=null parent=6TZJN]
 + Pelargonium spatulatum (Andr.) G. Don [SYNONYM SPECIES 2298:84YB3 nidx=null parent=6TZJN]
Pelecocythere
 - Pelecocythere [ACCEPTED GENUS 2296:6K83 nidx=null]
 + Pelecocythere Athersuch, 1979 [ACCEPTED GENUS 2298:84R2V nidx=null]
Pellucistoma
 - Pellucistoma [ACCEPTED GENUS 2296:63L5P nidx=null]
 + Pellucistoma Coryell & Fields, 1937 [ACCEPTED GENUS 2298:84QMQ nidx=null]
Pelmatosphaera
 - Pelmatosphaera [ACCEPTED GENUS 2296:6KBS nidx=null]
 + Pelmatosphaera Caullery & Mesnil, 1904 [ACCEPTED GENUS 2298:84QMS nidx=null]
Pelmatosphaeridae
 - Pelmatosphaeridae [ACCEPTED FAMILY 2296:62657 nidx=null]
 + Pelmatosphaeridae Stunkard, 1937 [ACCEPTED FAMILY 2298:84KBX nidx=null]
Pelodrilus
 - Pelodrilus [ACCEPTED GENUS 2296:6KCL nidx=null]
 + Pelodrilus Beddard, 1891 [ACCEPTED GENUS 2298:84R2W nidx=null]
Pelodrilus africanus
 - Pelodrilus africanus Michaelsen, 1905 [ACCEPTED SPECIES 2296:76CTG nidx=null]
 + Pelodrilus africanus Michaelsen, 1905 [SYNONYM SPECIES 2298:84ZNQ nidx=null parent=85S64]
Pelogenia
 - Pelogenia [ACCEPTED GENUS 2296:6KCR nidx=null]
 + Pelogenia Schmarda, 1861 [ACCEPTED GENUS 2298:84R2X nidx=null]
Peltastisis
 - Peltastisis [ACCEPTED GENUS 2296:6KFD nidx=null]
 + Peltastisis Nutting, 1910 [ACCEPTED GENUS 2298:84R2Y nidx=null]
Penares
 - Penares [ACCEPTED GENUS 2296:6KKY nidx=null]
 + Penares Gray, 1867 [ACCEPTED GENUS 2298:84QMX nidx=null]
Penares obtusus
 - Penares obtusus Lendenfeld, 1907 [ACCEPTED SPECIES 2296:76GYN nidx=null]
 + Penares obtusus Lendenfeld, 1907 [SYNONYM SPECIES 2298:84ZNY nidx=null parent=85LJS]
Pendonemertes
 - Pendonemertes [ACCEPTED GENUS 2296:6KL9 nidx=null]
 + Pendonemertes Brinkmann, 1917 [ACCEPTED GENUS 2298:84R32 nidx=null]
Pennatula
 - Pennatula [ACCEPTED GENUS 2296:6KPB nidx=null]
 + Pennatula Linnaeus, 1758 [ACCEPTED GENUS 2298:84QN4 nidx=null]
Pennatula grandis
 - Pennatula grandis Ehrenberg, 1834 [ACCEPTED SPECIES 2296:76JM2 nidx=null]
 + Pennatula grandis Ehrenberg, 1834 [SYNONYM SPECIES 2298:84ZP2 nidx=null parent=85KKR]
Pennatula inflata
 - Pennatula inflata Kükenthal, 1910 [ACCEPTED SPECIES 2296:76JM3 nidx=null]
 + Pennatula inflata Kükenthal, 1910 [SYNONYM SPECIES 2298:84ZP3 nidx=null parent=85KKT]
Pennatulacea
 - Pennatulacea [ACCEPTED ORDER 2296:3S8 nidx=null]
 + Pennatulacea Verrill, 1865 [ACCEPTED ORDER 2298:84JQN nidx=null]
Pennatulidae
 - Pennatulidae [ACCEPTED FAMILY 2296:6265K nidx=null]
 + Pennatulidae Ehrenberg, 1834 [ACCEPTED FAMILY 2298:84KBY nidx=null]
Pennyella
 - Pennyella [ACCEPTED GENUS 2296:6KPP nidx=null]
 + Pennyella Neale, 1974 [ACCEPTED GENUS 2298:84R34 nidx=null]
Pentacolossendeis
 - Pentacolossendeis [ACCEPTED GENUS 2296:6KQY nidx=null]
 + Pentacolossendeis Hedgpeth, 1943 [ACCEPTED GENUS 2298:84QN8 nidx=null]
Pentaditrupa
 - Pentaditrupa [ACCEPTED GENUS 2296:6KRH nidx=null]
 + Pentaditrupa Regenhardt, 1961 [ACCEPTED GENUS 2298:84R35 nidx=null]
Pentanymphon
 - Pentanymphon [ACCEPTED GENUS 2296:6KST nidx=null]
 + Pentanymphon Hodgson, 1904 [ACCEPTED GENUS 2298:84QND nidx=null]
Pentapantopus
 - Pentapantopus [ACCEPTED GENUS 2296:63L7H nidx=null]
 + Pentapantopus Kühl, Poschmann & Rust, 2013 [ACCEPTED GENUS 2298:84R36 nidx=null]
Pentapycnon
 - Pentapycnon [ACCEPTED GENUS 2296:6KTH nidx=null]
 + Pentapycnon Bouvier, 1910 [ACCEPTED GENUS 2298:84QNG nidx=null]
Penteparatanais
 - Penteparatanais [ACCEPTED GENUS 2296:6KV5 nidx=null]
 + Penteparatanais Bird & Bamber, 2013 [ACCEPTED GENUS 2298:84R38 nidx=null]
Penthesilenula
 - Penthesilenula [ACCEPTED GENUS 2296:6KVJ nidx=null]
 + Penthesilenula Rossetti & Martens, 1998 [ACCEPTED GENUS 2298:84R3B nidx=null]
Peosidriloides
 - Peosidriloides [ACCEPTED GENUS 2296:63L8Y nidx=null]
 + Peosidriloides Erséus & Milligan, 1994 [ACCEPTED GENUS 2298:84R3C nidx=null]
Peosidrilus
 - Peosidrilus [ACCEPTED GENUS 2296:6KXB nidx=null]
 + Peosidrilus Baker & Erséus, 1979 [ACCEPTED GENUS 2298:84QNJ nidx=null]
Peponocyathus
 - Peponocyathus [ACCEPTED GENUS 2296:6KY8 nidx=null]
 + Peponocyathus Gravier, 1915 [ACCEPTED GENUS 2298:84QNP nidx=null]
Peraeospinosus
 - Peraeospinosus [ACCEPTED GENUS 2296:6KYZ nidx=null]
 + Peraeospinosus Sieg, 1986 [ACCEPTED GENUS 2298:84QNQ nidx=null]
Peraserpula
 - Peraserpula [ACCEPTED GENUS 2296:6KZV nidx=null]
 + Peraserpula Regenhardt, 1961 [ACCEPTED GENUS 2298:84R3F nidx=null]
Peratocytheridea
 - Peratocytheridea [ACCEPTED GENUS 2296:6L25 nidx=null]
 + Peratocytheridea Hazel, 1983 [ACCEPTED GENUS 2298:84QNR nidx=null]
Peresiella
 - Peresiella [ACCEPTED GENUS 2296:6L4S nidx=null]
 + Peresiella Harmelin, 1968 [ACCEPTED GENUS 2298:84QNT nidx=null]
Pericharax
 - Pericharax [ACCEPTED GENUS 2296:6L7C nidx=null]
 + Pericharax Poléjaeff, 1883 [ACCEPTED GENUS 2298:84QNW nidx=null]
Pericolpa
 - Pericolpa [ACCEPTED GENUS 2296:6L7T nidx=null]
 + Pericolpa Haeckel, 1880 [ACCEPTED GENUS 2298:84M6S nidx=null]
Pericolpa tetralina
 - Pericolpa tetralina Haeckel, 1880 [SYNONYM SPECIES 2296:76SG4 nidx=null parent=76SFS]
 + Pericolpa tetralina Haeckel, 1880 [ACCEPTED SPECIES 2298:84MD7 nidx=null]
Perinereis
 - Perinereis [ACCEPTED GENUS 2296:6LBR nidx=null]
 + Perinereis Kinberg, 1865 [ACCEPTED GENUS 2298:84QP2 nidx=null]
Perinereis seurati
 - Perinereis seurati Gravier, 1905 [SYNONYM SPECIES 2296:4F2JB nidx=null parent=4F2GH]
 + Perinereis seurati Gravier, 1905 [ACCEPTED SPECIES 2298:84ZP8 nidx=null]
Periphragella
 - Periphragella [ACCEPTED GENUS 2296:6LDH nidx=null]
 + Periphragella Marshall, 1875 [ACCEPTED GENUS 2298:84QP7 nidx=null]
Periphylla
 - Periphylla [ACCEPTED GENUS 2296:6LDK nidx=null]
 + Periphylla F. Müller, 1861 [ACCEPTED GENUS 2298:84M6T nidx=null]
Periphyllidae
 - Periphyllidae [ACCEPTED FAMILY 2296:6266N nidx=null]
 + Periphyllidae Haeckel, 1880 [ACCEPTED FAMILY 2298:84KBZ nidx=null]
Periphyllopsis
 - Periphyllopsis [ACCEPTED GENUS 2296:6LDM nidx=null]
 + Periphyllopsis Vanhöffen, 1902 [ACCEPTED GENUS 2298:84M6V nidx=null]
Peripontocypris
 - Peripontocypris [ACCEPTED GENUS 2296:63L9P nidx=null]
 + Peripontocypris Wouters, 1997 [ACCEPTED GENUS 2298:84R3N nidx=null]
Periscelis winnertzii
 - Periscelis winnertzii Egger, 1862 [ACCEPTED SPECIES 2296:4F3WX nidx=null]
 - Periscelis winnertzii Schiner, 1863 [SYNONYM SPECIES 2296:4F3WY nidx=null parent=4F3WX]
 + Periscelis winnertzii Egger, 1862 [ACCEPTED SPECIES 2298:84ZP9 nidx=null]
 + Periscelis winnertzii Schiner, 1863 [SYNONYM SPECIES 2298:84ZPB nidx=null parent=84ZP9]
Perissocytheridea
 - Perissocytheridea [ACCEPTED GENUS 2296:6LG7 nidx=null]
 + Perissocytheridea Stephenson, 1938 [ACCEPTED GENUS 2298:84QPB nidx=null]
Perissocytheridea estuarina
 - Perissocytheridea estuarina Benson & Maddocks, 1964 [ACCEPTED SPECIES 2296:4F4G3 nidx=null]
 + Perissocytheridea estuarina Benson & Maddocks, 1964 [SYNONYM SPECIES 2298:84ZPC nidx=null parent=4F4G2]
Perissogorgia
 - Perissogorgia [ACCEPTED GENUS 2296:63KYN nidx=null]
 + Perissogorgia Bayer & Stefani, 1989 [ACCEPTED GENUS 2298:84R3P nidx=null]
Perissonemertes
 - Perissonemertes [ACCEPTED GENUS 2296:6LGM nidx=null]
 + Perissonemertes Gibson, 1990 [ACCEPTED GENUS 2298:84R3Q nidx=null]
Peristodrilus
 - Peristodrilus [ACCEPTED GENUS 2296:6LHS nidx=null]
 + Peristodrilus Baker & Brinkhurst, 1981 [ACCEPTED GENUS 2298:84QPG nidx=null]
Perkinsiana
 - Perkinsiana [ACCEPTED GENUS 2296:6LKT nidx=null]
 + Perkinsiana Knight-Jones, 1983 [ACCEPTED GENUS 2298:84R3R nidx=null]
Perkinsyllis
 - Perkinsyllis [ACCEPTED GENUS 2296:6LKZ nidx=null]
 + Perkinsyllis San Martín, López & Aguado, 2009 [ACCEPTED GENUS 2298:84R3S nidx=null]
Perolepis
 - Perolepis [ACCEPTED GENUS 2296:6LP9 nidx=null]
 + Perolepis Ehlers, 1908 [ACCEPTED GENUS 2298:84QPJ nidx=null]
Peronochaeta
 - Peronochaeta [ACCEPTED GENUS 2296:6LPZ nidx=null]
 + Peronochaeta Conway Morris, 1979 [ACCEPTED GENUS 2298:84R3X nidx=null]
Perspicytherois
 - Perspicytherois [ACCEPTED GENUS 2296:6LT8 nidx=null]
 + Perspicytherois Swain & Gilby, 1974 [ACCEPTED GENUS 2298:84R43 nidx=null]
Petaloproctus
 - Petaloproctus [ACCEPTED GENUS 2296:63MPM nidx=null]
 + Petaloproctus Quatrefages, 1866 [ACCEPTED GENUS 2298:84QPQ nidx=null]
Petersenaspis
 - Petersenaspis [ACCEPTED GENUS 2296:6LZY nidx=null]
 + Petersenaspis Sendall & Salazar-Vallejo, 2013 [ACCEPTED GENUS 2298:84R48 nidx=null]
Petrecca
 - Petrecca [ACCEPTED GENUS 2296:6M3Q nidx=null]
 + Petrecca Blake, 1990 [ACCEPTED GENUS 2298:84R49 nidx=null]
Petrobiona
 - Petrobiona [ACCEPTED GENUS 2296:6M4C nidx=null]
 + Petrobiona Vacelet & Lévi, 1958 [ACCEPTED GENUS 2298:84QPT nidx=null]
Petrobionidae
 - Petrobionidae [ACCEPTED FAMILY 2296:62687 nidx=null]
 + Petrobionidae Borojevic, 1979 [ACCEPTED FAMILY 2298:84KC2 nidx=null]
Petrocha
 - Petrocha [ACCEPTED GENUS 2296:6M4L nidx=null]
 + Petrocha von Nordheim, 1987 [ACCEPTED GENUS 2298:84R4B nidx=null]
Petromica
 - Petromica [ACCEPTED GENUS 2296:6M57 nidx=null]
 - Petromica [ACCEPTED SUBGENUS 2296:6M58 nidx=null]
 + Petromica Topsent, 1898 [ACCEPTED GENUS 2298:84QPV nidx=null]
Petrophyllia
 - Petrophyllia [ACCEPTED GENUS 2296:6M5R nidx=null]
 + Petrophyllia Conrad, 1855 [ACCEPTED GENUS 2298:84R4C nidx=null]
Petrosaspongia
 - Petrosaspongia [ACCEPTED GENUS 2296:6M63 nidx=null]
 + Petrosaspongia Bergquist, 1995 [ACCEPTED GENUS 2298:84QPX nidx=null]
Petrosia
 - Petrosia [ACCEPTED SUBGENUS 2296:6M69 nidx=null]
 - Petrosia [ACCEPTED GENUS 2296:63MQV nidx=null]
 + Petrosia Vosmaer, 1885 [ACCEPTED GENUS 2298:84QPY nidx=null]
Petrosia pulitzeri
 - Petrosia pulitzeri Pansini, 1996 [ACCEPTED SPECIES 2296:777V2 nidx=null]
 + Petrosia pulitzeri Pansini, 1996 [SYNONYM SPECIES 2298:84ZPF nidx=null parent=85JYD]
Petrosia variabilis
 - Petrosia variabilis [SYNONYM SPECIES 2296:777V4 nidx=null parent=7G9MC]
 + Petrosia variabilis [AMBIGUOUS_SYNONYM SPECIES 2298:84ZPG nidx=null parent=85TBN]
Petrosiidae
 - Petrosiidae [ACCEPTED FAMILY 2296:625VY nidx=null]
 + Petrosiidae van Soest, 1980 [ACCEPTED FAMILY 2298:84KC3 nidx=null]
Petrostroma
 - Petrostroma [ACCEPTED GENUS 2296:6M6D nidx=null]
 + Petrostroma Döderlein, 1892 [ACCEPTED GENUS 2298:84QPZ nidx=null]
Petta
 - Petta [ACCEPTED GENUS 2296:6M6Y nidx=null]
 + Petta Malmgren, 1866 [ACCEPTED GENUS 2298:84QQ2 nidx=null]
Pettiboneia
 - Pettiboneia [ACCEPTED GENUS 2296:6M76 nidx=null]
 + Pettiboneia Orensanz, 1973 [ACCEPTED GENUS 2298:84QQ3 nidx=null]
Pettibonella
 - Pettibonella [ACCEPTED GENUS 2296:6M77 nidx=null]
 + Pettibonella Solis-Weiss & Fauchald, 1989 [ACCEPTED GENUS 2298:84R4D nidx=null]
Pettibonesia
 - Pettibonesia [ACCEPTED GENUS 2296:6M78 nidx=null]
 + Pettibonesia Nemésio, 2006 [ACCEPTED GENUS 2298:84R4F nidx=null]
Petunia ×  atkinsiana
 - Petunia ×  atkinsiana D. Don ex Loudon [ACCEPTED SPECIES 2296:4FF2W nidx=null]
 + Petunia ×  atkinsiana D. Don ex Loudon [ACCEPTED SPECIES 2298:84K66 nidx=null]
Phacellia ventilabrum
 - Phacellia ventilabrum (Pallas, 1766) [SYNONYM SPECIES 2296:4FK34 nidx=null parent=4FQG8]
 + Phacellia ventilabrum [SYNONYM SPECIES 2298:84ZPK nidx=null parent=4FQG8]
Phacellophora
 - Phacellophora [ACCEPTED GENUS 2296:63N2B nidx=null]
 + Phacellophora Brandt, 1835 [ACCEPTED GENUS 2298:84M6W nidx=null]
Phacellophoridae
 - Phacellophoridae [ACCEPTED FAMILY 2296:6267G nidx=null]
 + Phacellophoridae Straehler-Pohl, Widmer & Morandini, 2011 [ACCEPTED FAMILY 2298:84KC4 nidx=null]
Phacelocyathus
 - Phacelocyathus [ACCEPTED GENUS 2296:63N2H nidx=null]
 + Phacelocyathus Cairns, 1979 [ACCEPTED GENUS 2298:84QQ4 nidx=null]
Phacorhabdotus
 - Phacorhabdotus [ACCEPTED GENUS 2296:6MBJ nidx=null]
 + Phacorhabdotus Howe & Laurencich, 1958 [ACCEPTED GENUS 2298:84R4G nidx=null]
Phagodrilus
 - Phagodrilus [ACCEPTED GENUS 2296:6MM7 nidx=null]
 + Phagodrilus McKey-Fender, 1988 [ACCEPTED GENUS 2298:84QQF nidx=null]
Phakellia
 - Phakellia [ACCEPTED GENUS 2296:6MMQ nidx=null]
 + Phakellia Bowerbank, 1862 [ACCEPTED GENUS 2298:84QQH nidx=null]
Phakellia behringensis
 - Phakellia behringensis Hentschel, 1929 [SYNONYM SPECIES 2296:6V7FW nidx=null parent=38H5Q]
 + Phakellia behringensis [SYNONYM SPECIES 2298:84ZPR nidx=null parent=38H5Q]
Phakellia bowerbanki
 - Phakellia bowerbanki Vosmaer, 1885 [ACCEPTED SPECIES 2296:76VG8 nidx=null]
 + Phakellia bowerbanki Vosmaer, 1885 [SYNONYM SPECIES 2298:84ZPS nidx=null parent=85SBR]
Phakellia flabellata
 - Phakellia flabellata (Carter, 1885) [SYNONYM SPECIES 2296:777GC nidx=null parent=6YNLF]
 + Phakellia flabellata Carter, 1885 [ACCEPTED SPECIES 2298:84ZPT nidx=null]
Phakellia papyracea
 - Phakellia papyracea Ridley & Dendy, 1886 [ACCEPTED SPECIES 2296:4FQFH nidx=null]
 + Phakellia papyracea Ridley & Dendy, 1886 [AMBIGUOUS_SYNONYM SPECIES 2298:84ZPV nidx=null parent=85T5V]
Phakettia
 - Phakettia [ACCEPTED GENUS 2296:6MMR nidx=null]
 + Phakettia Laubenfels, 1936 [ACCEPTED GENUS 2298:84QQJ nidx=null]
Phalacrophorus
 - Phalacrophorus [ACCEPTED GENUS 2296:63MSS nidx=null]
 + Phalacrophorus Greeff, 1879 [ACCEPTED GENUS 2298:84R4P nidx=null]
Phalacrophorus borealis
 - Phalacrophorus borealis Reibisch, 1895 [SYNONYM SPECIES 2296:6V7F6 nidx=null parent=4FQSX]
 + Phalacrophorus borealis Reibisch, 1895 [ACCEPTED SPECIES 2298:84ZPW nidx=null]
Phalacrophorus pictus borealis
 - Phalacrophorus pictus borealis Reibisch, 1895 [ACCEPTED INFRASPECIFIC_NAME 2296:7HR7V nidx=null]
 + Phalacrophorus pictus borealis Reibisch, 1895 [SYNONYM SUBSPECIES 2298:852PH nidx=null parent=84ZPW]
Phalacrostemma
 - Phalacrostemma [ACCEPTED GENUS 2296:6MNF nidx=null]
 + Phalacrostemma Marenzeller, 1895 [ACCEPTED GENUS 2298:84QQL nidx=null]
Phallobaikalus
 - Phallobaikalus [ACCEPTED GENUS 2296:6MQB nidx=null]
 + Phallobaikalus Martínez-Ansemil, 2010 [ACCEPTED GENUS 2298:84R4Q nidx=null]
Phallodriloides
 - Phallodriloides [ACCEPTED GENUS 2296:6MQK nidx=null]
 + Phallodriloides Erséus, 1992 [ACCEPTED GENUS 2298:84QQS nidx=null]
Phallodrilus
 - Phallodrilus [ACCEPTED GENUS 2296:6MQL nidx=null]
 + Phallodrilus Pierantoni, 1902 [ACCEPTED GENUS 2298:84QQT nidx=null]
Phallonemertes
 - Phallonemertes [ACCEPTED GENUS 2296:63MT6 nidx=null]
 + Phallonemertes Brinkmann, 1917 [ACCEPTED GENUS 2298:84R4R nidx=null]
Phallonemertidae
 - Phallonemertidae [ACCEPTED FAMILY 2296:625X8 nidx=null]
 + Phallonemertidae Brinkmann, 1917 [ACCEPTED FAMILY 2298:84KCC nidx=null]
Phelloderma
 - Phelloderma [ACCEPTED GENUS 2296:6N4J nidx=null]
 + Phelloderma Ridley & Dendy, 1886 [ACCEPTED GENUS 2298:84QR5 nidx=null]
Phellodermidae
 - Phellodermidae [ACCEPTED FAMILY 2296:625WK nidx=null]
 + Phellodermidae van Soest & Hajdu, 2002 [ACCEPTED FAMILY 2298:84KC5 nidx=null]
Phenganax
 - Phenganax [ACCEPTED GENUS 2296:6N6G nidx=null]
 + Phenganax Alderslade & McFadden, 2011 [ACCEPTED GENUS 2298:84R4Z nidx=null]
Phenilia
 - Phenilia [ACCEPTED GENUS 2296:6N6N nidx=null]
 + Phenilia Gray, 1860 [ACCEPTED GENUS 2298:84R52 nidx=null]
Pherecardia
 - Pherecardia [ACCEPTED GENUS 2296:63MTF nidx=null]
 + Pherecardia Horst, 1886 [ACCEPTED GENUS 2298:84QR7 nidx=null]
Pherecardites
 - Pherecardites [ACCEPTED GENUS 2296:6N7B nidx=null]
 + Pherecardites Horst, 1912 [ACCEPTED GENUS 2298:84R53 nidx=null]
Pheronema
 - Pheronema [ACCEPTED GENUS 2296:6N7T nidx=null]
 + Pheronema Leidy, 1868 [ACCEPTED GENUS 2298:84QRC nidx=null]
Pheronematidae
 - Pheronematidae [ACCEPTED FAMILY 2296:625Y2 nidx=null]
 + Pheronematidae Gray, 1870 [ACCEPTED FAMILY 2298:84KC6 nidx=null]
Pheronemoides
 - Pheronemoides [ACCEPTED GENUS 2296:63MTH nidx=null]
 + Pheronemoides Gong & Li, 2017 [ACCEPTED GENUS 2298:84R54 nidx=null]
Pheroneonemertes
 - Pheroneonemertes [ACCEPTED GENUS 2296:6N7V nidx=null]
 + Pheroneonemertes Gibson, 1990 [ACCEPTED GENUS 2298:84R55 nidx=null]
Pherusa
 - Pherusa [ACCEPTED GENUS 2296:6N85 nidx=null]
 + Pherusa Oken, 1807 [ACCEPTED GENUS 2298:84NVD nidx=null]
Philomedes
 - Philomedes [ACCEPTED GENUS 2296:6NHB nidx=null]
 - Philomedes [ACCEPTED SUBGENUS 2296:6NHC nidx=null]
 + Philomedes Lilljeborg, 1853 [ACCEPTED GENUS 2298:84QRK nidx=null]
Philomedidae
 - Philomedidae [ACCEPTED FAMILY 2296:625XZ nidx=null]
 + Philomedidae Müller, 1906 [ACCEPTED FAMILY 2298:84KC7 nidx=null]
Philomontanus
 - Philomontanus [ACCEPTED GENUS 2296:6NHL nidx=null]
 + Philomontanus Bozorgi, Seiedy, Malek, Aira, Pérez-Losada & Domínguez, 2019 [ACCEPTED GENUS 2298:84R5C nidx=null]
Philoneptunus
 - Philoneptunus [ACCEPTED GENUS 2296:6NHS nidx=null]
 + Philoneptunus Whatley, Millson & Ayress, 1992 [ACCEPTED GENUS 2298:84R5D nidx=null]
Philonthus varipennis
 - Philonthus varipennis Scriba, W., 1865 [SYNONYM SPECIES 2296:4GC3V nidx=null parent=LWXC]
 + Philonthus varipennis Scriba, W., 1865 [SYNONYM SPECIES 2298:84ZQ5 nidx=null parent=LWXC]
Phiops
 - Phiops [ACCEPTED GENUS 2296:6NMD nidx=null]
 + Phiops Schram, 1979 [ACCEPTED GENUS 2298:84R5G nidx=null]
Phisidia
 - Phisidia [ACCEPTED GENUS 2296:6NML nidx=null]
 + Phisidia Saint-Joseph, 1894 [ACCEPTED GENUS 2298:84R5H nidx=null]
Phloeodictyidae
 - Phloeodictyidae [ACCEPTED FAMILY 2296:6269H nidx=null]
 + Phloeodictyidae Carter, 1882 [ACCEPTED FAMILY 2298:84KC8 nidx=null]
Phloeodictyon fistulosum
 - Phloeodictyon fistulosum [SYNONYM SPECIES 2296:4GGBS nidx=null parent=48BVQ]
 + Phloeodictyon fistulosum [AMBIGUOUS_SYNONYM SPECIES 2298:84ZQ7 nidx=null parent=85T5F]
Phlyctaenopora
 - Phlyctaenopora [ACCEPTED SUBGENUS 2296:6NSS nidx=null]
 - Phlyctaenopora [ACCEPTED GENUS 2296:6NST nidx=null]
 + Phlyctaenopora Topsent, 1904 [ACCEPTED GENUS 2298:84QS2 nidx=null]
Phlyctenophora
 - Phlyctenophora [ACCEPTED GENUS 2296:6NSZ nidx=null]
 + Phlyctenophora Brady, 1880 [ACCEPTED GENUS 2298:84QS4 nidx=null]
Phlyctobythocythere
 - Phlyctobythocythere [ACCEPTED GENUS 2296:6NTC nidx=null]
 + Phlyctobythocythere Bonaduce, Masoli & Pugliese, 1978 [ACCEPTED GENUS 2298:84R5J nidx=null]
Phlyctocythere
 - Phlyctocythere [ACCEPTED GENUS 2296:63MW6 nidx=null]
 + Phlyctocythere Keij, 1958 [ACCEPTED GENUS 2298:84R5K nidx=null]
Pholadiphila
 - Pholadiphila [ACCEPTED GENUS 2296:6NWB nidx=null]
 + Pholadiphila Dean, 1992 [ACCEPTED GENUS 2298:84R5M nidx=null]
Pholoe
 - Pholoe [ACCEPTED GENUS 2296:6NYG nidx=null]
 + Pholoe Johnston, 1839 [ACCEPTED GENUS 2298:84QSQ nidx=null]
Pholoe tecta
 - Pholoe tecta Stimpson, 1854 [ACCEPTED SPECIES 2296:4GMLN nidx=null]
 + Pholoe tecta Stimpson, 1853 [SYNONYM SPECIES 2298:84ZQ8 nidx=null parent=7HR3R]
Pholoidae
 - Pholoidae [ACCEPTED FAMILY 2296:625Z4 nidx=null]
 + Pholoidae Kinberg, 1858 [ACCEPTED FAMILY 2298:84KC9 nidx=null]
Pholoides
 - Pholoides [ACCEPTED GENUS 2296:6NYH nidx=null]
 + Pholoides Pruvot, 1895 [ACCEPTED GENUS 2298:84QSR nidx=null]
Phorbas
 - Phorbas [ACCEPTED GENUS 2296:6NZX nidx=null]
 + Phorbas Duchassaing & Michelotti, 1864 [ACCEPTED GENUS 2298:84QSV nidx=null]
Phorbas anchorata
 - Phorbas anchorata (Bergquist & Fromont, 1988) [SYNONYM SPECIES 2296:4GR6N nidx=null parent=45H45]
 + Phorbas anchorata (Bergquist & Fromont, 1988) [SYNONYM SPECIES 2298:84Y5L nidx=null parent=85T4R]
Phoriospongia
 - Phoriospongia [ACCEPTED GENUS 2296:6P2F nidx=null]
 + Phoriospongia Marshall, 1880 [ACCEPTED GENUS 2298:84QSY nidx=null]
Photeros
 - Photeros [ACCEPTED GENUS 2296:6P48 nidx=null]
 + Photeros Cohen & Morin, 2010 [ACCEPTED GENUS 2298:84R5P nidx=null]
Photocharis
 - Photocharis [ACCEPTED GENUS 2296:6P4L nidx=null]
 + Photocharis Ehrenberg, 1835 [ACCEPTED GENUS 2298:84R5Q nidx=null]
Phoxichilidiidae
 - Phoxichilidiidae [ACCEPTED FAMILY 2296:625YY nidx=null]
 + Phoxichilidiidae Sars, 1891 [ACCEPTED FAMILY 2298:84KCB nidx=null]
Phoxichilidium
 - Phoxichilidium [ACCEPTED GENUS 2296:6P59 nidx=null]
 + Phoxichilidium Milne Edwards, 1840 [ACCEPTED GENUS 2298:84QT4 nidx=null]
Phoxichilidium compactum
 - Phoxichilidium compactum Hilton, 1939 [SYNONYM SPECIES 2296:4GTD3 nidx=null parent=66X47]
 + Phoxichilidium compactum Hilton, 1939 [SYNONYM SPECIES 2298:84ZQB nidx=null parent=66X4R]
Phoxichilidoidea
 - Phoxichilidoidea [ACCEPTED SUPERFAMILY 2296:5HL nidx=null]
 + Phoxichilidoidea Sars, 1891 [ACCEPTED SUPERFAMILY 2298:84JSJ nidx=null]
Phoxiphilyra
 - Phoxiphilyra [ACCEPTED GENUS 2296:6P5C nidx=null]
 + Phoxiphilyra Stock, 1974 [ACCEPTED GENUS 2298:84QT6 nidx=null]
Phoxokalliapseudes
 - Phoxokalliapseudes [ACCEPTED GENUS 2296:6P5H nidx=null]
 + Phoxokalliapseudes Drumm & Heard, 2011 [ACCEPTED GENUS 2298:84R5R nidx=null]
Phragmatopoma
 - Phragmatopoma [ACCEPTED GENUS 2296:6P6H nidx=null]
 + Phragmatopoma Mörch, 1863 [ACCEPTED GENUS 2298:84QTC nidx=null]
Phragmatopoma digitata
 - Phragmatopoma digitata Rioja, 1962 [SYNONYM SPECIES 2296:4GTTJ nidx=null parent=4GTTN]
 + Phragmatopoma digitata Rioja, 1962 [ACCEPTED SPECIES 2298:84ZQC nidx=null]
Phragmatopoma moerchi
 - Phragmatopoma moerchi Kinberg, 1866 [SYNONYM SPECIES 2296:4GTTL nidx=null parent=4GTTN]
 + Phragmatopoma moerchi Kinberg, 1866 [ACCEPTED SPECIES 2298:84ZQD nidx=null]
Phragmatopoma moerchi digitata
 - Phragmatopoma moerchi digitata Rioja, 1962 [SYNONYM SUBSPECIES 2296:5KDTQ nidx=null parent=4GTTN]
 + Phragmatopoma moerchi digitata Rioja, 1962 [SYNONYM SUBSPECIES 2298:852RN nidx=null parent=84ZQC]
Phragmatopoma peruensis
 - Phragmatopoma peruensis Hartman, 1944 [SYNONYM SPECIES 2296:4GTTM nidx=null parent=4GTTN]
 + Phragmatopoma peruensis Hartman, 1944 [ACCEPTED SPECIES 2298:84ZQF nidx=null]
Phragmochaeta
 - Phragmochaeta [ACCEPTED GENUS 2296:6P6Y nidx=null]
 + Phragmochaeta Conway Morris & Peel, 2008 [ACCEPTED GENUS 2298:84R5S nidx=null]
Phreodrilidae
 - Phreodrilidae [ACCEPTED FAMILY 2296:625YM nidx=null]
 + Phreodrilidae Beddard, 1891 [ACCEPTED FAMILY 2298:84KCD nidx=null]
Phreodriloides
 - Phreodriloides [ACCEPTED GENUS 2296:6P8V nidx=null]
 + Phreodriloides Benham, 1907 [ACCEPTED GENUS 2298:84R5T nidx=null]
Phreodrilus
 - Phreodrilus [ACCEPTED GENUS 2296:6P8W nidx=null]
 + Phreodrilus Beddard, 1891 [ACCEPTED GENUS 2298:84QTD nidx=null]
Phycogorgia
 - Phycogorgia [ACCEPTED GENUS 2296:6PFR nidx=null]
 + Phycogorgia Milne Edwards & Haime, 1850 [ACCEPTED GENUS 2298:84R5W nidx=null]
Phyllampharete
 - Phyllampharete [ACCEPTED GENUS 2296:63MLG nidx=null]
 + Phyllampharete Hartman & Fauchald, 1971 [ACCEPTED GENUS 2298:84QTV nidx=null]
Phyllamphicteis
 - Phyllamphicteis [ACCEPTED GENUS 2296:6PHV nidx=null]
 + Phyllamphicteis Augener, 1918 [ACCEPTED GENUS 2298:84QTW nidx=null]
Phyllangia
 - Phyllangia [ACCEPTED GENUS 2296:6PHW nidx=null]
 + Phyllangia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84QTX nidx=null]
Phyllantinoe
 - Phyllantinoe [ACCEPTED GENUS 2296:6PJ5 nidx=null]
 + Phyllantinoe McIntosh, 1876 [ACCEPTED GENUS 2298:84R5Z nidx=null]
Phyllochaetopterus
 - Phyllochaetopterus [ACCEPTED GENUS 2296:6PL6 nidx=null]
 + Phyllochaetopterus Grube, 1863 [ACCEPTED GENUS 2298:84QV2 nidx=null]
Phyllocomus
 - Phyllocomus [ACCEPTED GENUS 2296:6PLQ nidx=null]
 + Phyllocomus Grube, 1877 [ACCEPTED GENUS 2298:84QV6 nidx=null]
Phyllodactylus europaeus
 - Phyllodactylus europaeus Gené, 1839 [SYNONYM SPECIES 2296:6VGBL nidx=null parent=6GXBS]
 + Phyllodactylus europaeus Gené, 1839 [SYNONYM SPECIES 2298:84ZQJ nidx=null parent=6GXBS]
Phyllodoce
 - Phyllodoce [ACCEPTED GENUS 2296:6PMK nidx=null]
 + Phyllodoce Lamarck, 1818 [ACCEPTED GENUS 2298:84JN7 nidx=null]
Phyllodocida
 - Phyllodocida [ACCEPTED ORDER 2296:3TG nidx=null]
 + Phyllodocida Dales, 1962 [ACCEPTED ORDER 2298:84JQP nidx=null]
Phyllodocidae
 - Phyllodocidae [ACCEPTED FAMILY 2296:625KP nidx=null]
 + Phyllodocidae Örsted, 1843 [ACCEPTED FAMILY 2298:84KCF nidx=null]
Phyllogorgia
 - Phyllogorgia [ACCEPTED GENUS 2296:6PNN nidx=null]
 + Phyllogorgia Milne Edwards & Haime, 1850 [ACCEPTED GENUS 2298:84R62 nidx=null]
Phyllohartmania
 - Phyllohartmania [ACCEPTED GENUS 2296:6PNR nidx=null]
 + Phyllohartmania Pettibone, 1961 [ACCEPTED GENUS 2298:84QV8 nidx=null]
Phyllorhiza
 - Phyllorhiza [ACCEPTED GENUS 2296:6PRF nidx=null]
 + Phyllorhiza Agassiz, 1862 [ACCEPTED GENUS 2298:84M6X nidx=null]
Phyllorhiza peronlesueuri
 - Phyllorhiza peronlesueuri Goy, 1990 [ACCEPTED SPECIES 2296:6VFKP nidx=null]
 + Phyllorhiza peronlesueuri Goy, 1990 [SYNONYM SPECIES 2298:84MDM nidx=null parent=77FKM]
Phyllosheila
 - Phyllosheila [ACCEPTED GENUS 2296:6PRR nidx=null]
 + Phyllosheila Pettibone, 1961 [ACCEPTED GENUS 2298:84QVJ nidx=null]
Phyllospongia
 - Phyllospongia [ACCEPTED GENUS 2296:6PRX nidx=null]
 + Phyllospongia Ehlers, 1870 [ACCEPTED GENUS 2298:84QVL nidx=null]
Phyllospongia (Antheroplax) perforata
 - Phyllospongia (Antheroplax) perforata (Hyatt, 1877) [SYNONYM SPECIES 2296:6VFQ8 nidx=null parent=RH2N]
 + Phyllospongia (Antheroplax) perforata (Hyatt, 1877) [SYNONYM SPECIES 2298:84ZQN nidx=null parent=85T5Z]
Phyllospongia (Carteriospongia) elegans
 - Phyllospongia (Carteriospongia) elegans Lendenfeld, 1888 [SYNONYM SPECIES 2296:6VFQ7 nidx=null parent=RH2G]
 + Phyllospongia (Carteriospongia) elegans Lendenfeld, 1888 [SYNONYM SPECIES 2298:84ZQP nidx=null parent=84ZR2]
Phyllospongia (Carteriospongia) foliascens
 - Phyllospongia (Carteriospongia) foliascens (Pallas, 1766) [SYNONYM SPECIES 2296:6VG27 nidx=null parent=RH2G]
 + Phyllospongia (Carteriospongia) foliascens (Pallas, 1766) [SYNONYM SPECIES 2298:84ZQQ nidx=null parent=84ZR2]
Phyllospongia (Carteriospongia) mantelli
 - Phyllospongia (Carteriospongia) mantelli (Bowerbank, 1874) [SYNONYM SPECIES 2296:77FPV nidx=null parent=RH2G]
 + Phyllospongia (Carteriospongia) mantelli (Bowerbank, 1874) [SYNONYM SPECIES 2298:84ZQR nidx=null parent=84ZR2]
Phyllospongia (Carteriospongia) silicata
 - Phyllospongia (Carteriospongia) silicata Lendenfeld, 1889 [SYNONYM SPECIES 2296:77G27 nidx=null parent=RH2Q]
 + Phyllospongia (Carteriospongia) silicata Lendenfeld, 1889 [SYNONYM SPECIES 2298:84ZQS nidx=null parent=84ZR8]
Phyllospongia (Carteriospongia) spiralis
 - Phyllospongia (Carteriospongia) spiralis Lendenfeld, 1889 [SYNONYM SPECIES 2296:6VFPY nidx=null parent=RH2G]
 + Phyllospongia (Carteriospongia) spiralis Lendenfeld, 1889 [SYNONYM SPECIES 2298:84ZQT nidx=null parent=84ZR2]
Phyllospongia (Carteriospongia) vermicularis
 - Phyllospongia (Carteriospongia) vermicularis Lendenfeld, 1889 [SYNONYM SPECIES 2296:77FPY nidx=null parent=RH2S]
 + Phyllospongia (Carteriospongia) vermicularis Lendenfeld, 1889 [SYNONYM SPECIES 2298:84ZQV nidx=null parent=84ZRB]
Phyllospongia (Spongionella) fissurata
 - Phyllospongia (Spongionella) fissurata Lendenfeld, 1889 [SYNONYM SPECIES 2296:6VG29 nidx=null parent=69DDX]
 + Phyllospongia (Spongionella) fissurata Lendenfeld, 1889 [SYNONYM SPECIES 2298:84ZQW nidx=null parent=84ZQY]
Phyllospongia alcicornis
 - Phyllospongia alcicornis (Esper, 1794) [ACCEPTED SPECIES 2296:6VFPZ nidx=null]
 + Phyllospongia alcicornis (Esper, 1794) [SYNONYM SPECIES 2298:84ZQX nidx=null parent=85T6B]
Phyllospongia elegans
 - Phyllospongia elegans Lendenfeld, 1888 [SYNONYM SPECIES 2296:6VFQC nidx=null parent=RH2G]
 + Phyllospongia elegans Lendenfeld, 1888 [SYNONYM SPECIES 2298:84Y5W nidx=null parent=84ZR2]
Phyllospongia fissurata
 - Phyllospongia fissurata Lendenfeld, 1889 [SYNONYM SPECIES 2296:6VG2C nidx=null parent=69DDX]
 + Phyllospongia fissurata Lendenfeld, 1889 [SYNONYM SPECIES 2298:84Y5X nidx=null parent=84ZQY]
Phyllospongia fissurella
 - Phyllospongia fissurella de Laubenfels, 1948 [SYNONYM SPECIES 2296:77FQC nidx=null parent=69DDX]
 + Phyllospongia fissurella Laubenfels, 1948 [ACCEPTED SPECIES 2298:84ZQY nidx=null]
Phyllospongia foliacens
 - Phyllospongia foliacens (Pallas, 1766) [SYNONYM SPECIES 2296:77G2C nidx=null parent=RH2G]
 + Phyllospongia foliacens (Pallas, 1766) [SYNONYM SPECIES 2298:84ZQZ nidx=null parent=84ZR2]
Phyllospongia foliascens
 - Phyllospongia foliascens (Pallas, 1766) [SYNONYM SPECIES 2296:6VFQF nidx=null parent=RH2G]
 + Phyllospongia foliascens (Pallas, 1766) [ACCEPTED SPECIES 2298:84ZR2 nidx=null]
Phyllospongia lamellosa
 - Phyllospongia lamellosa (Esper, 1794) [ACCEPTED SPECIES 2296:77G2F nidx=null]
 + Phyllospongia lamellosa (Esper, 1794) [SYNONYM SPECIES 2298:84ZR3 nidx=null parent=84ZR2]
Phyllospongia lekanis
 - Phyllospongia lekanis de Laubenfels, 1954 [SYNONYM SPECIES 2296:6VG2H nidx=null parent=RH2G]
 + Phyllospongia lekanis de Laubenfels, 1954 [SYNONYM SPECIES 2298:84Y5Y nidx=null parent=84ZR2]
Phyllospongia madagascariensis
 - Phyllospongia madagascariensis (Hyatt, 1877) [SYNONYM SPECIES 2296:6VFQG nidx=null parent=77G2G]
 + Phyllospongia madagascariensis [SYNONYM SPECIES 2298:84ZR4 nidx=null parent=77G2G]
Phyllospongia mantelli
 - Phyllospongia mantelli (Bowerbank, 1874) [SYNONYM SPECIES 2296:6VG2G nidx=null parent=RH2G]
 + Phyllospongia mantelli (Bowerbank, 1874) [SYNONYM SPECIES 2298:84ZR5 nidx=null parent=84ZR2]
Phyllospongia mantelli var. reticulata
 - Phyllospongia mantelli var. reticulata Lendenfeld, 1889 [SYNONYM VARIETY 2296:5QPNM nidx=null parent=RH2G]
 + Phyllospongia mantelli var. reticulata Lendenfeld, 1889 [SYNONYM VARIETY 2298:852VS nidx=null parent=84ZR2]
Phyllospongia papyracea polyphylla
 - Phyllospongia papyracea polyphylla (Lamarck, 1814) [SYNONYM SUBSPECIES 2296:7KKWN nidx=null parent=77G2F]
 + Phyllospongia papyracea polyphylla (Lamarck, 1814) [SYNONYM SUBSPECIES 2298:852RP nidx=null parent=84ZR2]
Phyllospongia pennatula
 - Phyllospongia pennatula () [SYNONYM SPECIES 2296:6VFQJ nidx=null parent=RH2M]
 + Phyllospongia pennatula () [ACCEPTED SPECIES 2298:84ZR6 nidx=null]
Phyllospongia radiata
 - Phyllospongia radiata (Hyatt, 1877) [SYNONYM SPECIES 2296:6VG2J nidx=null parent=77G2F]
 + Phyllospongia radiata (Hyatt, 1877) [SYNONYM SPECIES 2298:84ZR7 nidx=null parent=852FX]
Phyllospongia silicata
 - Phyllospongia silicata Lendenfeld, 1889 [SYNONYM SPECIES 2296:6VFP3 nidx=null parent=RH2Q]
 + Phyllospongia silicata Lendenfeld, 1889 [ACCEPTED SPECIES 2298:84ZR8 nidx=null]
Phyllospongia spiralis
 - Phyllospongia spiralis Lendenfeld, 1889 [SYNONYM SPECIES 2296:77FP3 nidx=null parent=RH2G]
 + Phyllospongia spiralis Lendenfeld, 1889 [SYNONYM SPECIES 2298:84ZR9 nidx=null parent=84ZR2]
Phyllospongia vermicularis
 - Phyllospongia vermicularis Lendenfeld, 1889 [SYNONYM SPECIES 2296:6VFP4 nidx=null parent=RH2S]
 + Phyllospongia vermicularis Lendenfeld, 1889 [ACCEPTED SPECIES 2298:84ZRB nidx=null]
Phylosiphonia conica
 - Phylosiphonia conica Keller, 1889 [SYNONYM SPECIES 2296:4HDGH nidx=null parent=PWQC]
 + Phylosiphonia conica Keller, 1889 [SYNONYM SPECIES 2298:84ZRD nidx=null parent=85SPW]
Phymaraphiniidae
 - Phymaraphiniidae [ACCEPTED FAMILY 2296:625JZ nidx=null]
 + Phymaraphiniidae Schrammen, 1924 [ACCEPTED FAMILY 2298:84KCG nidx=null]
Phymatellidae
 - Phymatellidae [ACCEPTED FAMILY 2296:625LC nidx=null]
 + Phymatellidae Schrammen, 1910 [ACCEPTED FAMILY 2298:84KCH nidx=null]
Physignathus lesueurii
 - Physignathus lesueurii Gray, 1845 [SYNONYM SPECIES 2296:4HH89 nidx=null parent=3PSS9]
 + Physignathus lesueurii Gray, 1845 [SYNONYM SPECIES 2298:84ZRL nidx=null parent=3PSS9]
Physocypria
 - Physocypria [ACCEPTED GENUS 2296:6PYX nidx=null]
 + Physocypria Vávra, 1897 [ACCEPTED GENUS 2298:84QWC nidx=null]
Physogyra
 - Physogyra [ACCEPTED GENUS 2296:6PZD nidx=null]
 + Physogyra Quelch, 1884 [ACCEPTED GENUS 2298:84QWD nidx=null]
Physophyllia
 - Physophyllia [ACCEPTED GENUS 2296:6Q25 nidx=null]
 + Physophyllia Duncan, 1884 [ACCEPTED GENUS 2298:84QWG nidx=null]
Picrorhiza kurroa
 - Picrorhiza kurroa Royle ex Benth. [SYNONYM SPECIES 2296:6VJ63 nidx=null parent=6VJ5R]
 + Picrorhiza kurroa Royle ex Benth. [SYNONYM SPECIES 2298:84Y64 nidx=null parent=6VJ5R]
Pieckonia
 - Pieckonia [ACCEPTED GENUS 2296:63MDM nidx=null]
 + Pieckonia Thompson, 1979 [ACCEPTED GENUS 2298:84R6M nidx=null]
Pierrecandona
 - Pierrecandona [ACCEPTED GENUS 2296:6QB7 nidx=null]
 + Pierrecandona Karanovic, 2007 [ACCEPTED GENUS 2298:84R6N nidx=null]
Pieterfaurea
 - Pieterfaurea [ACCEPTED GENUS 2296:63MF3 nidx=null]
 + Pieterfaurea Verseveldt & Bayer, 1988 [ACCEPTED GENUS 2298:84R6Q nidx=null]
Pigrogromitus
 - Pigrogromitus [ACCEPTED GENUS 2296:6QD6 nidx=null]
 + Pigrogromitus Calman, 1927 [ACCEPTED GENUS 2298:84QXB nidx=null]
Piguetiella
 - Piguetiella [ACCEPTED GENUS 2296:6QD7 nidx=null]
 + Piguetiella Sperber, 1939 [ACCEPTED GENUS 2298:84QXC nidx=null]
Pilargidae
 - Pilargidae [ACCEPTED FAMILY 2296:625MP nidx=null]
 + Pilargidae Saint-Joseph, 1899 [ACCEPTED FAMILY 2298:84KCJ nidx=null]
Pilargis
 - Pilargis [ACCEPTED GENUS 2296:6QDV nidx=null]
 + Pilargis Saint-Joseph, 1899 [ACCEPTED GENUS 2298:84QXF nidx=null]
Pilaridrilus
 - Pilaridrilus [ACCEPTED GENUS 2296:6QDX nidx=null]
 + Pilaridrilus Fend & Lenat, 2007 [ACCEPTED GENUS 2298:84QXG nidx=null]
Pilbaracandona
 - Pilbaracandona [ACCEPTED GENUS 2296:63MFH nidx=null]
 + Pilbaracandona Karanovic & Marmonier, 2003 [ACCEPTED GENUS 2298:84R6V nidx=null]
Pilea nummularifolia
 - Pilea nummularifolia Griseb. [SYNONYM SPECIES 2296:4HSYS nidx=null parent=77KFK]
 + Pilea nummularifolia Griseb. [SYNONYM SPECIES 2298:84Y66 nidx=null parent=77KFK]
Pileolaria moerchi
 - Pileolaria moerchi (Levinsen, 1883) [ACCEPTED SPECIES 2296:77KH4 nidx=null]
 + Pileolaria moerchi [misspelling for P. morchi] [SYNONYM SPECIES 2298:84ZRM nidx=null parent=85FFW]
Pilidiophora
 - Pilidiophora [ACCEPTED CLASS 2296:6226P nidx=null]
 + Pilidiophora Thollesson & Norenburg, 2003 [ACCEPTED CLASS 2298:84JT5 nidx=null]
Pillaiospira
 - Pillaiospira [ACCEPTED GENUS 2296:6QG7 nidx=null]
 + Pillaiospira Knight-Jones, 1973 [ACCEPTED GENUS 2298:84R6Z nidx=null]
Pinnigorgia
 - Pinnigorgia [ACCEPTED GENUS 2296:6QNS nidx=null]
 + Pinnigorgia Grasshoff & Alderslade, 1997 [ACCEPTED GENUS 2298:84R73 nidx=null]
Pinniphitime
 - Pinniphitime [ACCEPTED GENUS 2296:6QNT nidx=null]
 + Pinniphitime Orensanz, 1990 [ACCEPTED GENUS 2298:84R74 nidx=null]
Pinulasma
 - Pinulasma [ACCEPTED GENUS 2296:6QPW nidx=null]
 + Pinulasma Reiswig & Stone, 2013 [ACCEPTED GENUS 2298:84R75 nidx=null]
Pinulasma bowiensis
 - Pinulasma bowiensis Reiswig, 2018 [ACCEPTED SPECIES 2296:4HZZP nidx=null]
 + Pinulasma bowiensis Reiswig, 2018 [SYNONYM SPECIES 2298:84ZRQ nidx=null parent=85T62]
Pione
 - Pione [ACCEPTED GENUS 2296:63M6S nidx=null]
 + Pione Gray, 1867 [ACCEPTED GENUS 2298:84QXV nidx=null]
Pione abyssorum
 - Pione abyssorum (Carter, 1874) [SYNONYM SPECIES 2296:4J2QV nidx=null parent=4Z93W]
 + Pione abyssorum (Carter, 1874) [SYNONYM SPECIES 2298:84ZRR nidx=null parent=4Z93W]
Pioneercandonopsis
 - Pioneercandonopsis [ACCEPTED GENUS 2296:6QQF nidx=null]
 + Pioneercandonopsis Karanovic, 2005 [ACCEPTED GENUS 2298:84R76 nidx=null]
Pionosyllis
 - Pionosyllis [ACCEPTED GENUS 2296:6QQQ nidx=null]
 + Pionosyllis Malmgren, 1867 [ACCEPTED GENUS 2298:84QXW nidx=null]
Piper nummulariifolium
 - Piper nummulariifolium Sw. [SYNONYM SPECIES 2296:4J524 nidx=null parent=772R2]
 + Piper nummulariifolium Sw. [SYNONYM SPECIES 2298:84YGQ nidx=null parent=772R2]
Piper saxicolum
 - Piper saxicolum Vahl [SYNONYM SPECIES 2296:4J5T7 nidx=null parent=6V2P6]
 + Piper saxicolum Vahl [SYNONYM SPECIES 2298:84YGR nidx=null parent=6V2P6]
Pipestela
 - Pipestela [ACCEPTED GENUS 2296:6QRH nidx=null]
 + Pipestela Alvarez, Hooper & van Soest, 2008 [ACCEPTED GENUS 2298:84R77 nidx=null]
Piretopsis
 - Piretopsis [ACCEPTED GENUS 2296:6QTJ nidx=null]
 + Piretopsis Henningsmoen, 1953 [ACCEPTED GENUS 2298:84R78 nidx=null]
Pirodriloides
 - Pirodriloides [ACCEPTED GENUS 2296:63M7Y nidx=null]
 + Pirodriloides Erséus, 1992 [ACCEPTED GENUS 2298:84QY5 nidx=null]
Pirodrilus
 - Pirodrilus [ACCEPTED GENUS 2296:63LWC nidx=null]
 + Pirodrilus Erséus, 1992 [ACCEPTED GENUS 2298:84QY7 nidx=null]
Piromis
 - Piromis [ACCEPTED GENUS 2296:63LWB nidx=null]
 + Piromis Kinberg, 1867 [ACCEPTED GENUS 2298:84QY8 nidx=null]
Pironastraea
 - Pironastraea [ACCEPTED GENUS 2296:63LWG nidx=null]
 + Pironastraea d'Achiardi, 1875 [ACCEPTED GENUS 2298:84R79 nidx=null]
Pisione
 - Pisione [ACCEPTED GENUS 2296:6QW9 nidx=null]
 + Pisione Grube, 1857 [ACCEPTED GENUS 2298:84QYF nidx=null]
Pisionella
 - Pisionella [ACCEPTED GENUS 2296:63LVP nidx=null]
 + Pisionella Hartman, 1939 [ACCEPTED GENUS 2298:84QYG nidx=null]
Pisionidens
 - Pisionidens [ACCEPTED GENUS 2296:6QWB nidx=null]
 + Pisionidens Aiyar & Alikunhi, 1943 [ACCEPTED GENUS 2298:84QYH nidx=null]
Pista
 - Pista [ACCEPTED GENUS 2296:6QX6 nidx=null]
 + Pista Malmgren, 1866 [ACCEPTED GENUS 2298:84QYM nidx=null]
Pistella
 - Pistella [ACCEPTED GENUS 2296:6QX9 nidx=null]
 + Pistella Hartmann-Schröder, 1996 [ACCEPTED GENUS 2298:84R7C nidx=null]
Pistella lornensis
 - Pistella lornensis (Pearson, 1969) [ACCEPTED SPECIES 2296:6VMLF nidx=null]
 + Pistella lornensis (Pearson, 1969) [SYNONYM SPECIES 2298:84ZRS nidx=null parent=4J9RV]
Pistocythereis
 - Pistocythereis [ACCEPTED GENUS 2296:6QXG nidx=null]
 + Pistocythereis Gou in Gou, Zheng & Huang, 1983 [ACCEPTED GENUS 2298:84R7D nidx=null]
Pityrete
 - Pityrete [ACCEPTED GENUS 2296:6R34 nidx=null]
 + Pityrete Topsent, 1928 [ACCEPTED GENUS 2298:84QYV nidx=null]
Placina dilopha
 - Placina dilopha (Schulze, 1880) [SYNONYM SPECIES 2296:4JDM2 nidx=null parent=4JHY7]
 + Placina dilopha [SYNONYM SPECIES 2298:84ZRT nidx=null parent=4JHY7]
Placina monolopha
 - Placina monolopha (Schulze, 1880) [SYNONYM SPECIES 2296:4JDM3 nidx=null parent=4JHYH]
 + Placina monolopha [SYNONYM SPECIES 2298:84ZRV nidx=null parent=4JHYH]
Placina trilopha
 - Placina trilopha (Schulze, 1880) [SYNONYM SPECIES 2296:4JDM4 nidx=null parent=4JHYV]
 + Placina trilopha [SYNONYM SPECIES 2298:84ZRW nidx=null parent=4JHYV]
Placinastrella copiosa
 - Placinastrella copiosa (Schulze, 1880) [SYNONYM SPECIES 2296:4JDM5 nidx=null parent=4JHZ3]
 + Placinastrella copiosa [SYNONYM SPECIES 2298:84ZRX nidx=null parent=4JHZ3]
Placinolopha
 - Placinolopha [ACCEPTED GENUS 2296:6R49 nidx=null]
 + Placinolopha Topsent, 1897 [ACCEPTED GENUS 2298:84QYW nidx=null]
Placocyathus
 - Placocyathus [ACCEPTED GENUS 2296:6R4X nidx=null]
 + Placocyathus Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84R7G nidx=null]
Placodictyum
 - Placodictyum [ACCEPTED GENUS 2296:6R53 nidx=null]
 + Placodictyum Schmidt, 1870 [ACCEPTED GENUS 2298:84R7J nidx=null]
Placogorgia
 - Placogorgia [ACCEPTED GENUS 2296:6R5F nidx=null]
 + Placogorgia Wright & Studer, 1889 [ACCEPTED GENUS 2298:84QYX nidx=null]
Placopegma
 - Placopegma [ACCEPTED GENUS 2296:63M86 nidx=null]
 + Placopegma Schulze, 1896 [ACCEPTED GENUS 2298:84QYY nidx=null]
Placortis simplex
 - Placortis simplex (Schulze, 1880) [SYNONYM SPECIES 2296:6VNN4 nidx=null parent=4JJ35]
 + Placortis simplex [SYNONYM SPECIES 2298:84ZS3 nidx=null parent=4JJ35]
Placosmilia
 - Placosmilia [ACCEPTED GENUS 2296:6R6D nidx=null]
 + Placosmilia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84R7K nidx=null]
Placospherastra
 - Placospherastra [ACCEPTED GENUS 2296:6R6L nidx=null]
 + Placospherastra van Soest, 2009 [ACCEPTED GENUS 2298:84R7M nidx=null]
Placospongia
 - Placospongia [ACCEPTED GENUS 2296:6R6M nidx=null]
 + Placospongia Gray, 1867 [ACCEPTED GENUS 2298:84QYZ nidx=null]
Placospongiidae
 - Placospongiidae [ACCEPTED FAMILY 2296:625NZ nidx=null]
 + Placospongiidae Gray, 1867 [ACCEPTED FAMILY 2298:84KCK nidx=null]
Placostegus
 - Placostegus [ACCEPTED GENUS 2296:6R6N nidx=null]
 + Placostegus Philippi, 1844 [ACCEPTED GENUS 2298:84QZ2 nidx=null]
Placotrochides
 - Placotrochides [ACCEPTED GENUS 2296:6R6Z nidx=null]
 + Placotrochides Alcock, 1902 [ACCEPTED GENUS 2298:84QZ3 nidx=null]
Placotrochus
 - Placotrochus [ACCEPTED GENUS 2296:6R72 nidx=null]
 + Placotrochus Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84QZ4 nidx=null]
Plagiacanthidae
 - Plagiacanthidae [ACCEPTED FAMILY 2296:625PK nidx=null]
 + Plagiacanthidae Hertwig, 1879 [ACCEPTED FAMILY 2298:84KCL nidx=null]
Plakidium
 - Plakidium [ACCEPTED GENUS 2296:6RCD nidx=null]
 + Plakidium Lendenfeld, 1907 [ACCEPTED GENUS 2298:84QZD nidx=null]
Plakina
 - Plakina [ACCEPTED GENUS 2296:63LWT nidx=null]
 + Plakina Schulze, 1880 [ACCEPTED GENUS 2298:84QZF nidx=null]
Plakina monolopha antarctica
 - Plakina monolopha antarctica Lendenfeld, 1907 [ACCEPTED INFRASPECIFIC_NAME 2296:7HS5Y nidx=null]
 + Plakina monolopha antarctica Lendenfeld, 1907 [SYNONYM SUBSPECIES 2298:852PJ nidx=null parent=85T65]
Plakina trilopha antarctica
 - Plakina trilopha antarctica Lendenfeld, 1907 [ACCEPTED INFRASPECIFIC_NAME 2296:7HS6M nidx=null]
 + Plakina trilopha antarctica Lendenfeld, 1907 [SYNONYM SUBSPECIES 2298:852PK nidx=null parent=85T64]
Plakinastrella
 - Plakinastrella [ACCEPTED GENUS 2296:6RCF nidx=null]
 + Plakinastrella Schulze, 1880 [ACCEPTED GENUS 2298:84QZG nidx=null]
Plakinastrella intermedia
 - Plakinastrella intermedia Dendy, 1905 [SYNONYM SPECIES 2296:4JHZ5 nidx=null parent=76GYH]
 + Plakinastrella intermedia Dendy, 1905 [SYNONYM SPECIES 2298:84ZS4 nidx=null parent=76GYH]
Plakinidae
 - Plakinidae [ACCEPTED FAMILY 2296:625PV nidx=null]
 + Plakinidae Schulze, 1880 [ACCEPTED FAMILY 2298:84KCM nidx=null]
Plakortis
 - Plakortis [ACCEPTED GENUS 2296:6RCK nidx=null]
 + Plakortis Schulze, 1880 [ACCEPTED GENUS 2298:84QZH nidx=null]
Plakosyllis
 - Plakosyllis [ACCEPTED GENUS 2296:6RCL nidx=null]
 + Plakosyllis Hartmann-Schröder, 1956 [ACCEPTED GENUS 2298:84QZJ nidx=null]
Planaria
 - Planaria [ACCEPTED GENUS 2296:6RD2 nidx=null]
 + Planaria Müller, 1776 [ACCEPTED GENUS 2298:84NWL nidx=null]
Planaria lactiflorea
 - Planaria lactiflorea [SYNONYM SPECIES 2296:4JJ9F nidx=null parent=D523]
 + Planaria lactiflorea Johnston, 1828 [SYNONYM SPECIES 2298:84ZS5 nidx=null parent=D523]
Planaria quadrioculata
 - Planaria quadrioculata [SYNONYM SPECIES 2296:4JJBF nidx=null parent=7BSKF]
 + Planaria quadrioculata Johnston, 1828 [SYNONYM SPECIES 2298:84ZS6 nidx=null parent=7BSKF]
Planicirrata
 - Planicirrata [ACCEPTED GENUS 2296:63M97 nidx=null]
 + Planicirrata Nygren, 2004 [ACCEPTED GENUS 2298:84R7P nidx=null]
Planktonemertes
 - Planktonemertes [ACCEPTED GENUS 2296:6RF8 nidx=null]
 + Planktonemertes Woodworth, 1899 [ACCEPTED GENUS 2298:84QZP nidx=null]
Planktonemertes adhaerens
 - Planktonemertes adhaerens [SYNONYM SPECIES 2296:4JK4X nidx=null parent=4KHTF]
 + Planktonemertes adhaerens (Brinkmann, 1917) [SYNONYM SPECIES 2298:84ZS7 nidx=null parent=4KHTF]
Planktonemertes agassizi
 - Planktonemertes agassizi [SYNONYM SPECIES 2296:4JK4Z nidx=null parent=4JK4Y]
 + Planktonemertes agassizi ? [SYNONYM SPECIES 2298:84Y8P nidx=null parent=84Y8N]
Planktonemertes agassizii
 - Planktonemertes agassizii Woodworth, 1899 [ACCEPTED SPECIES 2296:4JK4Y nidx=null]
 + Planktonemertes agassizii [AMBIGUOUS_SYNONYM SPECIES 2298:84Y8M nidx=null parent=V3MM]
 + Planktonemertes agassizii Woodworth, 1899 [ACCEPTED SPECIES 2298:84Y8N nidx=null]
Planktonemertes alberti
 - Planktonemertes alberti [SYNONYM SPECIES 2296:4JK52 nidx=null parent=6D85N]
 + Planktonemertes alberti Joubin, 1906 [SYNONYM SPECIES 2298:84ZS8 nidx=null parent=6D85N]
Planktonemertes aurantiaca
 - Planktonemertes aurantiaca [SYNONYM SPECIES 2296:4JK53 nidx=null parent=47B7D]
 + Planktonemertes aurantiaca (Coe, 1926) [SYNONYM SPECIES 2298:84ZS9 nidx=null parent=47B7D]
Planktonemertes aureola
 - Planktonemertes aureola [SYNONYM SPECIES 2296:4JK54 nidx=null parent=59JXD]
 + Planktonemertes aureola (Coe, 1954) [SYNONYM SPECIES 2298:84ZSB nidx=null parent=59JXD]
Planktonemertes beebei
 - Planktonemertes beebei [SYNONYM SPECIES 2296:4JK55 nidx=null parent=4N6L8]
 + Planktonemertes beebei (Coe, 1936) [SYNONYM SPECIES 2298:84ZSC nidx=null parent=4N6L8]
Planktonemertes bürgeri
 - Planktonemertes bürgeri [SYNONYM SPECIES 2296:4JK56 nidx=null parent=V3MM]
 + Planktonemertes bürgeri Korotkevich, 1955 [SYNONYM SPECIES 2298:84ZSD nidx=null parent=V3MM]
Planktonemertes coei
 - Planktonemertes coei [SYNONYM SPECIES 2296:4JK57 nidx=null parent=4KHTG]
 + Planktonemertes coei Korotkevich, 1955 [SYNONYM SPECIES 2298:84ZSF nidx=null parent=4KHTG]
Planktonemertes drygalskii
 - Planktonemertes drygalskii [SYNONYM SPECIES 2296:4JK59 nidx=null parent=4CTFQ]
 + Planktonemertes drygalskii (Brinkmann, 1915) [SYNONYM SPECIES 2298:84ZSG nidx=null parent=4CTFQ]
Planktonemertes elongata
 - Planktonemertes elongata [SYNONYM SPECIES 2296:77P22 nidx=null parent=V3MP]
 + Planktonemertes elongata Joubin, 1906 [SYNONYM SPECIES 2298:84ZSH nidx=null parent=V3MP]
Planktonemertes grimaldii
 - Planktonemertes grimaldii [SYNONYM SPECIES 2296:4JK5B nidx=null parent=3695H]
 + Planktonemertes grimaldii Joubin, 1906 [SYNONYM SPECIES 2298:84ZSJ nidx=null parent=3695H]
Planktonemertes hardyi
 - Planktonemertes hardyi [SYNONYM SPECIES 2296:4JK5C nidx=null parent=PYXT]
 + Planktonemertes hardyi (Wheeler, 1934) [SYNONYM SPECIES 2298:84ZSK nidx=null parent=PYXT]
Planktonemertes hubrechti
 - Planktonemertes hubrechti [SYNONYM SPECIES 2296:4JK5D nidx=null parent=4N6L9]
 + Planktonemertes hubrechti (Brinkmann, 1917) [SYNONYM SPECIES 2298:84ZSL nidx=null parent=4N6L9]
Planktonemertes levinseni
 - Planktonemertes levinseni [SYNONYM SPECIES 2296:6VP25 nidx=null parent=76H2L]
 + Planktonemertes levinseni (Brinkmann, 1917) [SYNONYM SPECIES 2298:84ZSM nidx=null parent=76H2L]
Planktonemertes macrostomum
 - Planktonemertes macrostomum [SYNONYM SPECIES 2296:4JK5F nidx=null parent=4CTFR]
 + Planktonemertes macrostomum (Coe, 1954) [SYNONYM SPECIES 2298:84ZSN nidx=null parent=4CTFR]
Planktonemertes murrayi
 - Planktonemertes murrayi [SYNONYM SPECIES 2296:4JK5G nidx=null parent=4FRXW]
 + Planktonemertes murrayi (Brinkmann, 1912) [SYNONYM SPECIES 2298:84ZSP nidx=null parent=4FRXW]
Planktonemertes obesa
 - Planktonemertes obesa [SYNONYM SPECIES 2296:4JK5H nidx=null parent=4BT7V]
 + Planktonemertes obesa (Coe, 1936) [SYNONYM SPECIES 2298:84ZSQ nidx=null parent=4BT7V]
Planktonemertes opaca
 - Planktonemertes opaca [SYNONYM SPECIES 2296:4JK5J nidx=null parent=V3MK]
 + Planktonemertes opaca (Coe, 1954) [SYNONYM SPECIES 2298:84ZSR nidx=null parent=V3MK]
Planktonemertes pacifica
 - Planktonemertes pacifica [SYNONYM SPECIES 2296:4JK5K nidx=null parent=V3ML]
 + Planktonemertes pacifica (Coe, 1954) [SYNONYM SPECIES 2298:84ZSS nidx=null parent=V3ML]
Planktonemertes rhomboidalis
 - Planktonemertes rhomboidalis [SYNONYM SPECIES 2296:4JK5L nidx=null parent=Z6YD]
 + Planktonemertes rhomboidalis Joubin, 1906 [SYNONYM SPECIES 2298:84ZST nidx=null parent=Z6YD]
Planktonemertes robusta
 - Planktonemertes robusta [SYNONYM SPECIES 2296:4JK5M nidx=null parent=6BBHS]
 + Planktonemertes robusta (Brinkmann, 1917) [SYNONYM SPECIES 2298:84ZSV nidx=null parent=6BBHS]
Planktonemertes rubella
 - Planktonemertes rubella [SYNONYM SPECIES 2296:4JK5N nidx=null parent=4K72G]
 + Planktonemertes rubella (Coe, 1954) [SYNONYM SPECIES 2298:84ZSW nidx=null parent=4K72G]
Planktonemertes sargassicola
 - Planktonemertes sargassicola [SYNONYM SPECIES 2296:4JK5P nidx=null parent=448BS]
 + Planktonemertes sargassicola Joubin, 1906 [SYNONYM SPECIES 2298:84ZSX nidx=null parent=448BS]
Planktonemertes scarlata
 - Planktonemertes scarlata [SYNONYM SPECIES 2296:4JK5Q nidx=null parent=448BT]
 + Planktonemertes scarlata (Coe, 1945) [SYNONYM SPECIES 2298:84ZSY nidx=null parent=448BT]
Planktonemertes vanhöffeni
 - Planktonemertes vanhöffeni [SYNONYM SPECIES 2296:4JK5S nidx=null parent=4JK5R]
 + Planktonemertes vanhöffeni Brinkmann, 1915 [SYNONYM SPECIES 2298:84ZSZ nidx=null parent=4JK5R]
Planktonemertes wheeleri
 - Planktonemertes wheeleri [SYNONYM SPECIES 2296:4JK5T nidx=null parent=7D9LD]
 + Planktonemertes wheeleri (Coe, 1936) [SYNONYM SPECIES 2298:84ZT2 nidx=null parent=7D9LD]
Planktonemertes woodworthii
 - Planktonemertes woodworthii [SYNONYM SPECIES 2296:77P25 nidx=null parent=3ZTRJ]
 + Planktonemertes woodworthii Bürger, 1909 [SYNONYM SPECIES 2298:84ZT3 nidx=null parent=3ZTRJ]
Planktonemertes zonata
 - Planktonemertes zonata [SYNONYM SPECIES 2296:4JK5V nidx=null parent=4CM45]
 + Planktonemertes zonata Joubin, 1906 [SYNONYM SPECIES 2298:84ZT4 nidx=null parent=4CM45]
Planktonemertidae
 - Planktonemertidae [ACCEPTED FAMILY 2296:625PC nidx=null]
 + Planktonemertidae Brinkmann, 1917 [ACCEPTED FAMILY 2298:84KCN nidx=null]
Planolineus
 - Planolineus [ACCEPTED GENUS 2296:6RG9 nidx=null]
 + Planolineus Beauchamp, 1928 [ACCEPTED GENUS 2298:84R7W nidx=null]
Planonemertes
 - Planonemertes [ACCEPTED GENUS 2296:6RGJ nidx=null]
 + Planonemertes Coe, 1926 [ACCEPTED GENUS 2298:84R7X nidx=null]
Platella
 - Platella [ACCEPTED GENUS 2296:6RL4 nidx=null]
 + Platella Coryell & Fields, 1937 [ACCEPTED GENUS 2298:84QZW nidx=null]
Platychalina kerguelenensis
 - Platychalina kerguelenensis (Kirkpatrick, 1908) [SYNONYM SPECIES 2296:4JPDM nidx=null parent=3Q87D]
 + Platychalina kerguelenensis (Ridley & Dendy, 1886) [SYNONYM SPECIES 2298:84ZT5 nidx=null parent=3Q87D]
Platyconchoecia
 - Platyconchoecia [ACCEPTED GENUS 2296:6RRL nidx=null]
 + Platyconchoecia Poulsen, 1973 [ACCEPTED GENUS 2298:84R27 nidx=null]
Platycopina
 - Platycopina [ACCEPTED ORDER 2296:623F7 nidx=null]
 + Platycopina G.O. Sars, 1866 [ACCEPTED ORDER 2298:84JRP nidx=null]
Platygyra
 - Platygyra [ACCEPTED GENUS 2296:63LZS nidx=null]
 + Platygyra Ehrenberg, 1834 [ACCEPTED GENUS 2298:84R2D nidx=null]
Platyleberis
 - Platyleberis [ACCEPTED GENUS 2296:6RVH nidx=null]
 + Platyleberis Bonaduce & Danielopol, 1988 [ACCEPTED GENUS 2298:84R89 nidx=null]
Platylicoa
 - Platylicoa [ACCEPTED GENUS 2296:6RVT nidx=null]
 + Platylicoa Gutu, 2006 [ACCEPTED GENUS 2298:84R8B nidx=null]
Platylistrum
 - Platylistrum [ACCEPTED GENUS 2296:6RVX nidx=null]
 + Platylistrum Schulze, 1904 [ACCEPTED GENUS 2298:84R2G nidx=null]
Platymicrocythere
 - Platymicrocythere [ACCEPTED GENUS 2296:6RWM nidx=null]
 + Platymicrocythere Schornikov, 1975 [ACCEPTED GENUS 2298:84R8C nidx=null]
Platynereis
 - Platynereis [ACCEPTED GENUS 2296:63NQY nidx=null]
 + Platynereis Kinberg, 1865 [ACCEPTED GENUS 2298:84R2M nidx=null]
Platytrochus
 - Platytrochus [ACCEPTED GENUS 2296:6S6Z nidx=null]
 + Platytrochus Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84R2Z nidx=null]
Plectocythere
 - Plectocythere [ACCEPTED GENUS 2296:63NRD nidx=null]
 + Plectocythere Hobbs, 1965 [ACCEPTED GENUS 2298:84R33 nidx=null]
Plectonemertes
 - Plectonemertes [ACCEPTED GENUS 2296:63NT8 nidx=null]
 + Plectonemertes Gibson, 1990 [ACCEPTED GENUS 2298:84R8G nidx=null]
Plectonemertidae
 - Plectonemertidae [ACCEPTED FAMILY 2296:625QG nidx=null]
 + Plectonemertidae Gibson, 1990 [ACCEPTED FAMILY 2298:84KCP nidx=null]
Plectrocopus
 - Plectrocopus [ACCEPTED GENUS 2296:6SC6 nidx=null]
 + Plectrocopus Gutu, 2006 [ACCEPTED GENUS 2298:84R8H nidx=null]
Plectroninia
 - Plectroninia [ACCEPTED GENUS 2296:6SCS nidx=null]
 + Plectroninia Hinde, 1900 [ACCEPTED GENUS 2298:84R39 nidx=null]
Pleijelius
 - Pleijelius [ACCEPTED GENUS 2296:63NTC nidx=null]
 + Pleijelius Salazar-Vallejo & Orensanz, 2006 [ACCEPTED GENUS 2298:84R8L nidx=null]
Plenanemertes
 - Plenanemertes [ACCEPTED GENUS 2296:6SFH nidx=null]
 + Plenanemertes Coe, 1954 [ACCEPTED GENUS 2298:84R8M nidx=null]
Plenaster
 - Plenaster [ACCEPTED GENUS 2296:6SFM nidx=null]
 + Plenaster Lim & Wiklund, 2017 [ACCEPTED GENUS 2298:84R8N nidx=null]
Plenocythere
 - Plenocythere [ACCEPTED SUBGENUS 2296:8FJ2 nidx=null]
 + Plenocythere Swanson, 1979 [ACCEPTED GENUS 2298:84T3Y nidx=null]
Pleodicyema
 - Pleodicyema [ACCEPTED GENUS 2296:6SGC nidx=null]
 + Pleodicyema Nouvel, 1961 [ACCEPTED GENUS 2298:84R3G nidx=null]
Pleomothra
 - Pleomothra [ACCEPTED GENUS 2296:6SGR nidx=null]
 + Pleomothra Yager, 1989 [ACCEPTED GENUS 2298:84R8R nidx=null]
Pleomothridae
 - Pleomothridae [ACCEPTED FAMILY 2296:62642 nidx=null]
 + Pleomothridae Hoenemann, Neiber, Schram & Koenemann in Hoenemann, Neiber, Humphreys, Iliffe, Li, Schram & Koenemann, 2013 [ACCEPTED FAMILY 2298:84KCQ nidx=null]
Pleoschisma
 - Pleoschisma [ACCEPTED GENUS 2296:63NVY nidx=null]
 + Pleoschisma Brady, 1890 [ACCEPTED GENUS 2298:84R8T nidx=null]
Pleotrochus
 - Pleotrochus [ACCEPTED GENUS 2296:6SHY nidx=null]
 + Pleotrochus Cairns, 1997 [ACCEPTED GENUS 2298:84R3H nidx=null]
Pleraplysilla
 - Pleraplysilla [ACCEPTED GENUS 2296:6SJ4 nidx=null]
 + Pleraplysilla Topsent, 1905 [ACCEPTED GENUS 2298:84R3J nidx=null]
Plerogyra
 - Plerogyra [ACCEPTED GENUS 2296:6SJB nidx=null]
 + Plerogyra Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84R3K nidx=null]
Pleroma
 - Pleroma [ACCEPTED GENUS 2296:6SJC nidx=null]
 + Pleroma Sollas, 1888 [ACCEPTED GENUS 2298:84R3L nidx=null]
Pleromidae
 - Pleromidae [ACCEPTED FAMILY 2296:625S3 nidx=null]
 + Pleromidae Sollas, 1888 [ACCEPTED FAMILY 2298:84KCR nidx=null]
Plesiastrea
 - Plesiastrea [ACCEPTED GENUS 2296:6SJX nidx=null]
 + Plesiastrea Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84R3M nidx=null]
Plesiastreidae
 - Plesiastreidae [ACCEPTED FAMILY 2296:62643 nidx=null]
 + Plesiastreidae Dai & Horng, 2009 [ACCEPTED FAMILY 2298:84KCS nidx=null]
Pleuractis
 - Pleuractis [ACCEPTED GENUS 2296:6SPJ nidx=null]
 + Pleuractis Verrill, 1864 [ACCEPTED GENUS 2298:84R8Y nidx=null]
Pleurochorium
 - Pleurochorium [ACCEPTED GENUS 2296:6SR5 nidx=null]
 + Pleurochorium Schrammen, 1912 [ACCEPTED GENUS 2298:84R3W nidx=null]
Pleurocorallium
 - Pleurocorallium [ACCEPTED GENUS 2296:63NX7 nidx=null]
 + Pleurocorallium Gray, 1867 [ACCEPTED GENUS 2298:84R94 nidx=null]
Pleurogorgia
 - Pleurogorgia [ACCEPTED GENUS 2296:63NX9 nidx=null]
 + Pleurogorgia Versluys, 1902 [ACCEPTED GENUS 2298:84R42 nidx=null]
Pleuropodia
 - Pleuropodia [ACCEPTED GENUS 2296:63NX2 nidx=null]
 + Pleuropodia Dennant, 1903 [ACCEPTED GENUS 2298:84R96 nidx=null]
Plexaura
 - Plexaura [ACCEPTED GENUS 2296:6SWQ nidx=null]
 + Plexaura Lamouroux, 1812 [ACCEPTED GENUS 2298:84R44 nidx=null]
Plexaurella
 - Plexaurella [ACCEPTED GENUS 2296:6SWR nidx=null]
 + Plexaurella Kölliker, 1865 [ACCEPTED GENUS 2298:84R45 nidx=null]
Plexauridae
 - Plexauridae [ACCEPTED FAMILY 2296:625RF nidx=null]
 + Plexauridae Gray, 1859 [ACCEPTED FAMILY 2298:84KCT nidx=null]
Plexipomisis
 - Plexipomisis [ACCEPTED GENUS 2296:6SWV nidx=null]
 + Plexipomisis Alderslade, 1998 [ACCEPTED GENUS 2298:84R98 nidx=null]
Plicatellopsis
 - Plicatellopsis [ACCEPTED GENUS 2296:6SXG nidx=null]
 + Plicatellopsis Burton, 1932 [ACCEPTED GENUS 2298:84R47 nidx=null]
Plionemertes
 - Plionemertes [ACCEPTED GENUS 2296:6SZG nidx=null]
 + Plionemertes Coe, 1926 [ACCEPTED GENUS 2298:84R99 nidx=null]
Plocamiancora
 - Plocamiancora [ACCEPTED GENUS 2296:63NY7 nidx=null]
 + Plocamiancora Topsent, 1927 [ACCEPTED GENUS 2298:84R4H nidx=null]
Plocamione
 - Plocamione [ACCEPTED GENUS 2296:6T2C nidx=null]
 + Plocamione Topsent, 1927 [ACCEPTED GENUS 2298:84R4K nidx=null]
Plocamionida
 - Plocamionida [ACCEPTED GENUS 2296:6T2D nidx=null]
 + Plocamionida Topsent, 1927 [ACCEPTED GENUS 2298:84R4L nidx=null]
Plotohelmis
 - Plotohelmis [ACCEPTED GENUS 2296:6T45 nidx=null]
 + Plotohelmis Chamberlin, 1919 [ACCEPTED GENUS 2298:84R4M nidx=null]
Plotonemertes
 - Plotonemertes [ACCEPTED GENUS 2296:6T46 nidx=null]
 + Plotonemertes Brinkmann, 1917 [ACCEPTED GENUS 2298:84R9B nidx=null]
Plumachaetas oceanicus
 - Plumachaetas oceanicus Yoshii, 1989 [ACCEPTED SPECIES 2296:4KJ4Y nidx=null]
 + Plumachaetas oceanicus Yoshii, 1989 [ACCEPTED SPECIES 2298:84ZTS nidx=null]
Plumachaetas yoshiii
 - Plumachaetas yoshiii Zhang, F & Deharveng, L, 2015 [ACCEPTED SPECIES 2296:6W3PB nidx=null]
 + Plumachaetas yoshiii Zhang, F & Deharveng, L, 2015 [ACCEPTED SPECIES 2298:84ZTT nidx=null]
Plumarella
 - Plumarella [ACCEPTED GENUS 2296:6T4L nidx=null]
 + Plumarella Gray, 1870 [ACCEPTED GENUS 2298:84R4N nidx=null]
Plumicoma
 - Plumicoma [ACCEPTED GENUS 2296:6T4Z nidx=null]
 + Plumicoma Reiswig & Kelly, 2018 [ACCEPTED GENUS 2298:84R9C nidx=null]
Plumigorgia
 - Plumigorgia [ACCEPTED GENUS 2296:6T53 nidx=null]
 + Plumigorgia Nutting, 1910 [ACCEPTED GENUS 2298:84R9F nidx=null]
Plumohalichondria papillata
 - Plumohalichondria papillata Arnesen, 1903 [SYNONYM SPECIES 2296:4KJFL nidx=null parent=4GR8R]
 + Plumohalichondria papillata [SYNONYM SPECIES 2298:84ZTW nidx=null parent=4GR8R]
Plutomurus sorosii
 - Plutomurus sorosii Kniss & Thibaud, 1999 [ACCEPTED SPECIES 2296:4KKLM nidx=null]
 + Plutomurus sorosii Kniss & Thibaud, 1999 [ACCEPTED SPECIES 2298:84ZTX nidx=null]
Pocillopora
 - Pocillopora [ACCEPTED GENUS 2296:6T9M nidx=null]
 + Pocillopora Lamarck, 1816 [ACCEPTED GENUS 2298:84R4V nidx=null]
Pocilloporidae
 - Pocilloporidae [ACCEPTED FAMILY 2296:627G8 nidx=null]
 + Pocilloporidae Gray, 1840 [ACCEPTED FAMILY 2298:84KCV nidx=null]
Podabacia
 - Podabacia [ACCEPTED GENUS 2296:63NK6 nidx=null]
 + Podabacia Milne Edwards & Haime, 1849 [ACCEPTED GENUS 2298:84R4W nidx=null]
Podarcis atratus
 - Podarcis atratus Sindaco & Jeremcenko, 2008 [SYNONYM SPECIES 2296:4KPH8 nidx=null parent=4KPHY]
 + Podarcis atratus Sindaco & Jeremcenko, 2008 [SYNONYM SPECIES 2298:84ZTY nidx=null parent=4KPHY]
Podarkeopsis
 - Podarkeopsis [ACCEPTED GENUS 2296:6TB6 nidx=null]
 + Podarkeopsis Laubier, 1961 [ACCEPTED GENUS 2298:84R4X nidx=null]
Podarmus
 - Podarmus [ACCEPTED GENUS 2296:6TB7 nidx=null]
 + Podarmus Chamberlin, 1919 [ACCEPTED GENUS 2298:84R4Y nidx=null]
Podictenius
 - Podictenius [ACCEPTED GENUS 2296:6TBJ nidx=null]
 + Podictenius Gutu, 2006 [ACCEPTED GENUS 2298:84R9L nidx=null]
Podocopida
 - Podocopida [ACCEPTED ORDER 2296:3V7 nidx=null]
 + Podocopida Sars, 1866 [ACCEPTED ORDER 2298:84JQQ nidx=null]
Podospongia
 - Podospongia [ACCEPTED GENUS 2296:6TF6 nidx=null]
 + Podospongia Barboza du Bocage, 1869 [ACCEPTED GENUS 2298:84R58 nidx=null]
Podospongiidae
 - Podospongiidae [ACCEPTED FAMILY 2296:627GR nidx=null]
 + Podospongiidae Laubenfels, 1936 [ACCEPTED FAMILY 2298:84KCW nidx=null]
Podostemum distichus
 - Podostemum distichus (Cham.) Warm. [SYNONYM SPECIES 2296:4KRTJ nidx=null parent=4KRTK]
 + Podostemum distichus (Cham.) Warm. [SYNONYM SPECIES 2298:84YH4 nidx=null parent=4KRTK]
Poecillastra
 - Poecillastra [ACCEPTED GENUS 2296:6TH5 nidx=null]
 + Poecillastra Sollas, 1888 [ACCEPTED GENUS 2298:84R5B nidx=null]
Poecilochaetidae
 - Poecilochaetidae [ACCEPTED FAMILY 2296:627GV nidx=null]
 + Poecilochaetidae Hannerz, 1956 [ACCEPTED FAMILY 2298:84KCX nidx=null]
Poecilochaetus
 - Poecilochaetus [ACCEPTED GENUS 2296:6THN nidx=null]
 + Poecilochaetus Claparède in Ehlers, 1875 [ACCEPTED GENUS 2298:84R5F nidx=null]
Poecilosclerida
 - Poecilosclerida [ACCEPTED ORDER 2296:3VB nidx=null]
 + Poecilosclerida Topsent, 1928 [ACCEPTED ORDER 2298:84JQR nidx=null]
Poeobius
 - Poeobius [ACCEPTED GENUS 2296:6TLS nidx=null]
 + Poeobius Heath, 1930 [ACCEPTED GENUS 2298:84R5L nidx=null]
Poikilonemertes
 - Poikilonemertes [ACCEPTED GENUS 2296:6TQ8 nidx=null]
 + Poikilonemertes Stiasny-Wijnhoff, 1942 [ACCEPTED GENUS 2298:84R9Y nidx=null]
Polarsternium
 - Polarsternium [ACCEPTED GENUS 2296:63NMH nidx=null]
 + Polarsternium Smirnov, 1999 [ACCEPTED GENUS 2298:84R9Z nidx=null]
Polaruschakov
 - Polaruschakov [ACCEPTED GENUS 2296:6TRB nidx=null]
 + Polaruschakov Pettibone, 1976 [ACCEPTED GENUS 2298:84RB2 nidx=null]
Polejaevia
 - Polejaevia [ACCEPTED GENUS 2296:63NMK nidx=null]
 + Polejaevia Borojevic, Boury-Esnault & Vacelet, 2000 [ACCEPTED GENUS 2298:84R5V nidx=null]
Polia bemix
 - Polia bemix Quatrefages, 1846 [SYNONYM SPECIES 2296:4KXLD nidx=null parent=47H2T]
 + Polia bemix Quatrefages, 1846 [SYNONYM SPECIES 2298:84ZV4 nidx=null parent=84XQW]
Poligarida
 - Poligarida [ACCEPTED GENUS 2296:6TSM nidx=null]
 + Poligarida Bamber & Marshall, 2013 [ACCEPTED GENUS 2298:84RB3 nidx=null]
Poliopogon
 - Poliopogon [ACCEPTED GENUS 2296:63NNQ nidx=null]
 + Poliopogon Thomson, 1877 [ACCEPTED GENUS 2298:84R5X nidx=null]
Poliopogon amadow pacifica
 - Poliopogon amadow pacifica [SYNONYM SUBSPECIES 2296:7KNGW nidx=null parent=7HTSK]
 + Poliopogon amadow pacifica [SYNONYM SUBSPECIES 2298:852RQ nidx=null parent=7HTSK]
Poliopsis
 - Poliopsis [ACCEPTED GENUS 2296:6TTG nidx=null]
 + Poliopsis Joubin, 1890 [ACCEPTED GENUS 2298:84R5Y nidx=null]
Polybrachia
 - Polybrachia [ACCEPTED GENUS 2296:6TXD nidx=null]
 + Polybrachia Ivanov, 1952 [ACCEPTED GENUS 2298:84R64 nidx=null]
Polybrachiorhynchus
 - Polybrachiorhynchus [ACCEPTED GENUS 2296:63NPZ nidx=null]
 + Polybrachiorhynchus Gibson, 1977 [ACCEPTED GENUS 2298:84RB6 nidx=null]
Polychaetaspidae
 - Polychaetaspidae [ACCEPTED FAMILY 2296:627JB nidx=null]
 + Polychaetaspidae Kielan-Jaworowska, 1966 [ACCEPTED FAMILY 2298:84KCY nidx=null]
Polychaetaspis
 - Polychaetaspis [ACCEPTED GENUS 2296:6TYL nidx=null]
 + Polychaetaspis Kozlowski, 1956 [ACCEPTED GENUS 2298:84RB8 nidx=null]
Polychaetura
 - Polychaetura [ACCEPTED GENUS 2296:6TYS nidx=null]
 + Polychaetura Hints, 1998 [ACCEPTED GENUS 2298:84RB9 nidx=null]
Polycirrus
 - Polycirrus [ACCEPTED GENUS 2296:63NPH nidx=null]
 + Polycirrus Grube, 1850 [ACCEPTED GENUS 2298:84R65 nidx=null]
Polycope
 - Polycope [ACCEPTED GENUS 2296:63NBK nidx=null]
 + Polycope Sars, 1866 [ACCEPTED GENUS 2298:84R67 nidx=null]
Polycopetta
 - Polycopetta [ACCEPTED GENUS 2296:63NBN nidx=null]
 + Polycopetta Chavtur, 1981 [ACCEPTED GENUS 2298:84RBB nidx=null]
Polycopidae
 - Polycopidae [ACCEPTED FAMILY 2296:627J2 nidx=null]
 + Polycopidae Sars, 1865 [ACCEPTED FAMILY 2298:84KCZ nidx=null]
Polycopiella
 - Polycopiella [ACCEPTED GENUS 2296:63NBM nidx=null]
 + Polycopiella Chavtur, 1981 [ACCEPTED GENUS 2298:84RBC nidx=null]
Polycopissa
 - Polycopissa [ACCEPTED GENUS 2296:63NBP nidx=null]
 + Polycopissa Chavtur, 1981 [ACCEPTED GENUS 2298:84RBD nidx=null]
Polycopoidea
 - Polycopoidea [ACCEPTED SUPERFAMILY 2296:5JR nidx=null]
 + Polycopoidea Sars, 1865 [ACCEPTED SUPERFAMILY 2298:84JSK nidx=null]
Polycopsis
 - Polycopsis [ACCEPTED GENUS 2296:63NB2 nidx=null]
 + Polycopsis Mueller, 1894 [ACCEPTED GENUS 2298:84R68 nidx=null]
Polycyathus
 - Polycyathus [ACCEPTED GENUS 2296:63NCK nidx=null]
 + Polycyathus Duncan, 1876 [ACCEPTED GENUS 2298:84R69 nidx=null]
Polydendrorhynchus
 - Polydendrorhynchus [ACCEPTED GENUS 2296:63NBW nidx=null]
 + Polydendrorhynchus Yin & Zeng, 1986 [ACCEPTED GENUS 2298:84RBG nidx=null]
Polydontoconcha
 - Polydontoconcha [ACCEPTED GENUS 2296:63ND6 nidx=null]
 + Polydontoconcha Zhao (Yi-Chun) & Whatley, 1991 [ACCEPTED GENUS 2298:84RBH nidx=null]
Polydora
 - Polydora [ACCEPTED GENUS 2296:63NCT nidx=null]
 + Polydora Bosc, 1802 [ACCEPTED GENUS 2298:84R6B nidx=null]
Polydora carunculata
 - Polydora carunculata Radashevsky, 1993 [ACCEPTED SPECIES 2296:4L62Z nidx=null]
 + Polydora carunculata Radashevsky, 1993 [SYNONYM SPECIES 2298:84ZVB nidx=null parent=85DQN]
Polydorella
 - Polydorella [ACCEPTED GENUS 2296:63NCW nidx=null]
 + Polydorella Augener, 1914 [ACCEPTED GENUS 2298:84R6C nidx=null]
Polyeunoa
 - Polyeunoa [ACCEPTED GENUS 2296:63NDZ nidx=null]
 + Polyeunoa McIntosh, 1885 [ACCEPTED GENUS 2298:84R6D nidx=null]
Polyfibrospongia flabellifera
 - Polyfibrospongia flabellifera Bowerbank, 1877 [SYNONYM SPECIES 2296:4L73X nidx=null parent=RH2F]
 + Polyfibrospongia flabellifera Bowerbank, 1877 [ACCEPTED SPECIES 2298:84ZVC nidx=null]
Polygonum bellardi
 - Polygonum bellardi Blanco [SYNONYM SPECIES 2296:4L95B nidx=null parent=5KB5R]
 + Polygonum bellardi Blanco [SYNONYM SPECIES 2298:84K6S nidx=null parent=5KB5R]
Polygordiidae
 - Polygordiidae [ACCEPTED FAMILY 2296:627KG nidx=null]
 + Polygordiidae Czerniavsky, 1881 [ACCEPTED FAMILY 2298:84KD2 nidx=null]
Polygordius
 - Polygordius [ACCEPTED GENUS 2296:63NGF nidx=null]
 + Polygordius Schneider, 1868 [ACCEPTED GENUS 2298:84R6G nidx=null]
Polykladichnus
 - Polykladichnus [ACCEPTED GENUS 2296:63NG7 nidx=null]
 + Polykladichnus Fursich, 1981 [ACCEPTED GENUS 2298:84RBK nidx=null]
Polyleberis
 - Polyleberis [ACCEPTED GENUS 2296:63NFZ nidx=null]
 + Polyleberis Kornicker, 1974 [ACCEPTED GENUS 2298:84R6H nidx=null]
Polymastia
 - Polymastia [ACCEPTED GENUS 2296:63NGW nidx=null]
 + Polymastia Bowerbank, 1862 [ACCEPTED GENUS 2298:84R6J nidx=null]
Polymastia mammilaris
 - Polymastia mammilaris (Müller, 1806) [SYNONYM SPECIES 2296:4LB2M nidx=null parent=4LB2N]
 + Polymastia mammilaris [SYNONYM SPECIES 2298:84YB7 nidx=null parent=4LB2N]
Polymastia mammillaris
 - Polymastia mammillaris (not Müller) [SYNONYM SPECIES 2296:4LB2L nidx=null parent=4LB33]
 + Polymastia mammillaris (not Müller) [MISAPPLIED SPECIES 2298:84YB8 nidx=null parent=4LB33]
Polymastia pacifica
 - Polymastia pacifica Koltun, 1966 [PROVISIONALLY_ACCEPTED SPECIES 2296:4LB2Z nidx=null]
 + Polymastia pacifica Koltun, 1966 [AMBIGUOUS_SYNONYM SPECIES 2298:84YB9 nidx=null parent=85T6G]
Polymastia sol var. pacifica
 - Polymastia sol var. pacifica Koltun, 1966 [SYNONYM VARIETY 2296:5QVGC nidx=null parent=4LB2Z]
 + Polymastia sol var. pacifica Koltun, 1966 [SYNONYM VARIETY 2298:852VT nidx=null parent=85T6G]
Polymastica robusta
 - Polymastica robusta (Bowerbank, 1861) [SYNONYM SPECIES 2296:4LB3V nidx=null parent=6W5RJ]
 + Polymastica robusta [SYNONYM SPECIES 2298:84ZVD nidx=null parent=6W5RJ]
Polymastigos
 - Polymastigos [ACCEPTED GENUS 2296:63NGV nidx=null]
 + Polymastigos Green, 2002 [ACCEPTED GENUS 2298:84RBM nidx=null]
Polymastiida
 - Polymastiida [ACCEPTED ORDER 2296:3VH nidx=null]
 + Polymastiida Morrow & Cárdenas, 2015 [ACCEPTED ORDER 2298:84JWH nidx=null]
Polymastiidae
 - Polymastiidae [ACCEPTED FAMILY 2296:627KN nidx=null]
 + Polymastiidae Gray, 1867 [ACCEPTED FAMILY 2298:84KD3 nidx=null]
Polymniella
 - Polymniella [ACCEPTED GENUS 2296:63N9C nidx=null]
 + Polymniella Verrill, 1900 [ACCEPTED GENUS 2298:84RBN nidx=null]
Polymyces
 - Polymyces [ACCEPTED GENUS 2296:63N8G nidx=null]
 + Polymyces Cairns, 1979 [ACCEPTED GENUS 2298:84R6K nidx=null]
Polynoe
 - Polynoe [ACCEPTED GENUS 2296:63N93 nidx=null]
 + Polynoe Lamarck, 1818 [ACCEPTED GENUS 2298:84R6P nidx=null]
Polynoe (Nemidia) antillicola
 - Polynoe (Nemidia) antillicola (Augener, 1906) [ACCEPTED SPECIES 2296:6W5QV nidx=null]
 + Polynoe (Nemidia) antillicola (Augener, 1906) [SYNONYM SPECIES 2298:84ZVF nidx=null parent=46QV5]
Polynoe rigida
 - Polynoe rigida Grube, 1868 [ACCEPTED SPECIES 2296:4LCFT nidx=null]
 + Polynoe rigida [missassigned genus] [SYNONYM SPECIES 2298:84ZVH nidx=null parent=76D47]
Polynoella
 - Polynoella [ACCEPTED GENUS 2296:63MX2 nidx=null]
 + Polynoella McIntosh, 1885 [ACCEPTED GENUS 2298:84R6R nidx=null]
Polynoidae
 - Polynoidae [ACCEPTED FAMILY 2296:627JT nidx=null]
 + Polynoidae Kinberg, 1856 [ACCEPTED FAMILY 2298:84KD4 nidx=null]
Polynoina
 - Polynoina [ACCEPTED GENUS 2296:63N8Q nidx=null]
 + Polynoina Nolte, 1936 [ACCEPTED GENUS 2298:84RBR nidx=null]
Polyodontes
 - Polyodontes [ACCEPTED GENUS 2296:63N94 nidx=null]
 + Polyodontes Blainville, 1828 [ACCEPTED GENUS 2298:84R6S nidx=null]
Polyodontes bicolor
 - Polyodontes bicolor Augener, 1918 [SYNONYM SPECIES 2296:4LCM3 nidx=null parent=4CGWH]
 + Polyodontes bicolor (Grube, 1877) [SYNONYM SPECIES 2298:84ZVJ nidx=null parent=8589V]
Polyophthalmus
 - Polyophthalmus [ACCEPTED GENUS 2296:63MXX nidx=null]
 + Polyophthalmus Quatrefages, 1850 [ACCEPTED GENUS 2298:84R6T nidx=null]
Polyphyllia
 - Polyphyllia [ACCEPTED GENUS 2296:63MZC nidx=null]
 + Polyphyllia Blainville, 1830 [ACCEPTED GENUS 2298:84R6X nidx=null]
Polyphysia
 - Polyphysia [ACCEPTED GENUS 2296:63MZF nidx=null]
 + Polyphysia Quatrefages, 1866 [ACCEPTED GENUS 2298:84R6Y nidx=null]
Polypodium adnatus
 - Polypodium adnatus Wall. [SYNONYM SPECIES 2296:785KY nidx=null parent=4FXYF]
 + Polypodium adnatus Wall. [SYNONYM SPECIES 2298:84ZVL nidx=null parent=4FXYF]
Polypodium glycirhiza
 - Polypodium glycirhiza Fée [SYNONYM SPECIES 2296:6VV9G nidx=null parent=6TVVS]
 + Polypodium glycirhiza Fée [SYNONYM SPECIES 2298:84K6X nidx=null parent=6TVVS]
Polypodium leuconeurum
 - Polypodium leuconeurum Diels [SYNONYM SPECIES 2296:7YD94 nidx=null parent=7WCQD]
 + Polypodium leuconeurum Diels [SYNONYM SPECIES 2298:84ZVM nidx=null parent=7WCQD]
Polypodium saxicolum
 - Polypodium saxicolum Baker [SYNONYM SPECIES 2296:786X3 nidx=null parent=H8BL]
 + Polypodium saxicolum Baker [SYNONYM SPECIES 2298:84ZVN nidx=null parent=H8BL]
Polypodium sloani
 - Polypodium sloani Desv. [SYNONYM SPECIES 2296:4LGYG nidx=null parent=3GXFR]
 + Polypodium sloani Desv. [SYNONYM SPECIES 2298:84ZVP nidx=null parent=3GXFR]
Polyrhiza
 - Polyrhiza [ACCEPTED GENUS 2296:63P4N nidx=null]
 + Polyrhiza Agassiz, 1862 [ACCEPTED GENUS 2298:84M6Y nidx=null]
Polyschista
 - Polyschista [ACCEPTED GENUS 2296:63P5V nidx=null]
 + Polyschista Wijnhoff, 1925 [ACCEPTED GENUS 2298:84RBV nidx=null]
Polystemma
 - Polystemma [ACCEPTED GENUS 2296:63P7B nidx=null]
 + Polystemma Ehrenberg, 1828 [ACCEPTED GENUS 2298:84R7B nidx=null]
Polystemma pulchrum
 - Polystemma pulchrum [SYNONYM SPECIES 2296:4LMFW nidx=null parent=47H2T]
 + Polystemma pulchrum (Johnston, 1837) [SYNONYM SPECIES 2298:84ZVQ nidx=null parent=84XQW]
Polystilifera
 - Polystilifera [ACCEPTED ORDER 2296:3VP nidx=null]
 + Polystilifera Brinkmann, 1917 [ACCEPTED ORDER 2298:84JWJ nidx=null]
Pomatoceropsis contierei
 - Pomatoceropsis contierei Gravier, 1905 [SYNONYM SPECIES 2296:4LQV9 nidx=null parent=4Z7T3]
 + Pomatoceropsis contierei [misspelling of 'coutierei'] [SYNONYM SPECIES 2298:84ZVS nidx=null parent=4Z7T3]
Pomatostegus
 - Pomatostegus [ACCEPTED GENUS 2296:63P2C nidx=null]
 + Pomatostegus Schmarda, 1861 [ACCEPTED GENUS 2298:84R7H nidx=null]
Ponticocythereis
 - Ponticocythereis [ACCEPTED GENUS 2296:63Q79 nidx=null]
 + Ponticocythereis McKenzie, 1967 [ACCEPTED GENUS 2298:84RC3 nidx=null]
Pontocypria
 - Pontocypria [ACCEPTED GENUS 2296:63Q6M nidx=null]
 + Pontocypria Mueller, 1894 [ACCEPTED GENUS 2298:84RC4 nidx=null]
Pontocyprididae
 - Pontocyprididae [ACCEPTED FAMILY 2296:627MC nidx=null]
 + Pontocyprididae Müller, 1894 [ACCEPTED FAMILY 2298:84KD5 nidx=null]
Pontocypridoidea
 - Pontocypridoidea [ACCEPTED SUPERFAMILY 2296:5JX nidx=null]
 + Pontocypridoidea Müller, 1894 [ACCEPTED SUPERFAMILY 2298:84JSL nidx=null]
Pontocypris
 - Pontocypris [ACCEPTED GENUS 2296:6426M nidx=null]
 + Pontocypris Sars, 1866 [ACCEPTED GENUS 2298:84R7Q nidx=null]
Pontocythere
 - Pontocythere [ACCEPTED GENUS 2296:63Q6L nidx=null]
 + Pontocythere Dubovsky, 1939 [ACCEPTED GENUS 2298:84R7R nidx=null]
Pontocytheroma
 - Pontocytheroma [ACCEPTED GENUS 2296:6426L nidx=null]
 + Pontocytheroma Marinov, 1963 [ACCEPTED GENUS 2298:84RC5 nidx=null]
Pontodora
 - Pontodora [ACCEPTED GENUS 2296:63Q6N nidx=null]
 + Pontodora Greeff, 1879 [ACCEPTED GENUS 2298:84RC6 nidx=null]
Pontodoridae
 - Pontodoridae [ACCEPTED FAMILY 2296:627MD nidx=null]
 + Pontodoridae Bergström, 1914 [ACCEPTED FAMILY 2298:84KD6 nidx=null]
Pontogenia
 - Pontogenia [ACCEPTED GENUS 2296:63PVT nidx=null]
 + Pontogenia Claparède, 1868 [ACCEPTED GENUS 2298:84R7V nidx=null]
Pontoparta
 - Pontoparta [ACCEPTED GENUS 2296:64284 nidx=null]
 + Pontoparta Vavra, 1901 [ACCEPTED GENUS 2298:84R7Y nidx=null]
Pontopolycope
 - Pontopolycope [ACCEPTED GENUS 2296:64287 nidx=null]
 + Pontopolycope Chavtur, 1981 [ACCEPTED GENUS 2298:84R7Z nidx=null]
Pontoscolex
 - Pontoscolex [ACCEPTED GENUS 2296:63Q7X nidx=null]
 + Pontoscolex Schmarda, 1861 [ACCEPTED GENUS 2298:84R83 nidx=null]
Pontostoma
 - Pontostoma [ACCEPTED GENUS 2296:6427X nidx=null]
 + Pontostoma Schornikov & Keyser, 2004 [ACCEPTED GENUS 2298:84RC7 nidx=null]
Poorea
 - Poorea [ACCEPTED GENUS 2296:63Q7Z nidx=null]
 + Poorea Edgar, 2012 [ACCEPTED GENUS 2298:84RC8 nidx=null]
Pooreotanais
 - Pooreotanais [ACCEPTED GENUS 2296:63PVY nidx=null]
 + Pooreotanais Błażewicz-Paszkowycz & Bamber, 2009 [ACCEPTED GENUS 2298:84RC9 nidx=null]
Poralia
 - Poralia [ACCEPTED GENUS 2296:6427P nidx=null]
 + Poralia Vanhöffen, 1902 [ACCEPTED GENUS 2298:84M6Z nidx=null]
Porcupinella
 - Porcupinella [ACCEPTED GENUS 2296:63PWX nidx=null]
 + Porcupinella López-González & Williams, 2011 [ACCEPTED GENUS 2298:84RCB nidx=null]
Porites
 - Porites [ACCEPTED GENUS 2296:63PWK nidx=null]
 + Porites Link, 1807 [ACCEPTED GENUS 2298:84R88 nidx=null]
Poritidae
 - Poritidae [ACCEPTED FAMILY 2296:627M6 nidx=null]
 + Poritidae Gray, 1840 [ACCEPTED FAMILY 2298:84KD7 nidx=null]
Porphyria flintae
 - Porphyria flintae Bergquist, 1995 [ACCEPTED SPECIES 2296:4LYYN nidx=null]
 + Porphyria flintae Bergquist, 1995 [SYNONYM SPECIES 2298:84ZW8 nidx=null parent=85T5R]
Porphyrophyton
 - Porphyrophyton [ACCEPTED GENUS 2296:63PZT nidx=null]
 + Porphyrophyton McFadden & van Ofwegen, 2017 [ACCEPTED GENUS 2298:84RCF nidx=null]
Porroecia
 - Porroecia [ACCEPTED GENUS 2296:63PNV nidx=null]
 + Porroecia Martens, 1979 [ACCEPTED GENUS 2298:84R8F nidx=null]
Portaratrum
 - Portaratrum [ACCEPTED GENUS 2296:63PP2 nidx=null]
 + Portaratrum Guerrero-Kommritz, 2003 [ACCEPTED GENUS 2298:84RCG nidx=null]
Posacythere
 - Posacythere [ACCEPTED GENUS 2296:6V2Y nidx=null]
 + Posacythere Gruendel, 1976 [ACCEPTED GENUS 2298:84RCJ nidx=null]
Poseidon
 - Poseidon [ACCEPTED GENUS 2296:6V33 nidx=null]
 + Poseidon Girard, 1852 [ACCEPTED GENUS 2298:84RCK nidx=null]
Poseidon affinis
 - Poseidon affinis [SYNONYM SPECIES 2296:4M2RP nidx=null parent=6RJHY]
 + Poseidon affinis Girard, 1854 [SYNONYM SPECIES 2298:84ZWJ nidx=null parent=6RJHY]
Poseidonamicus
 - Poseidonamicus [ACCEPTED GENUS 2296:6V34 nidx=null]
 + Poseidonamicus Benson, 1972 [ACCEPTED GENUS 2298:84RCL nidx=null]
Poseidonemertes
 - Poseidonemertes [ACCEPTED GENUS 2296:6V35 nidx=null]
 + Poseidonemertes Kirsteuer, 1967 [ACCEPTED GENUS 2298:84RCM nidx=null]
Postasterope
 - Postasterope [ACCEPTED GENUS 2296:6V3S nidx=null]
 + Postasterope Kornicker, 1986 [ACCEPTED GENUS 2298:84R8K nidx=null]
Potamethus
 - Potamethus [ACCEPTED GENUS 2296:6V5B nidx=null]
 + Potamethus Chamberlin, 1919 [ACCEPTED GENUS 2298:84R8P nidx=null]
Potamilla
 - Potamilla [ACCEPTED GENUS 2296:6V5F nidx=null]
 + Potamilla Malmgren, 1866 [ACCEPTED GENUS 2298:84R8Q nidx=null]
Potamilla alba
 - Potamilla alba Knox, 1951 [ACCEPTED SPECIES 2296:4M3BJ nidx=null]
 + Potamilla alba Knox, 1951 [SYNONYM SPECIES 2298:84ZWK nidx=null parent=85FBV]
Potamilla antarctica christenseni
 - Potamilla antarctica christenseni Augener, 1932 [ACCEPTED INFRASPECIFIC_NAME 2296:7HWKD nidx=null]
 + Potamilla antarctica christenseni Augener, 1932 [SYNONYM SUBSPECIES 2298:852PL nidx=null parent=85F3C]
Potamilla californica
 - Potamilla californica Treadwell, 1906 [SYNONYM SPECIES 2296:4M3BR nidx=null parent=3P3TM]
 + Potamilla californica Treadwell, 1906 [SYNONYM SPECIES 2298:84ZWM nidx=null parent=85F3B]
Potamilla floridana
 - Potamilla floridana Augener, 1922 [SYNONYM SPECIES 2296:4M3C2 nidx=null parent=4M3C3]
 + Potamilla floridana Augener, 1922 [SYNONYM SPECIES 2298:84ZWN nidx=null parent=4F639]
Potamilla fonticula
 - Potamilla fonticula (Hoagland, 1919) [ACCEPTED SPECIES 2296:4M3C3 nidx=null]
 + Potamilla fonticula (Hoagland, 1919) [SYNONYM SPECIES 2298:84ZWP nidx=null parent=4F639]
Potamocypris
 - Potamocypris [ACCEPTED GENUS 2296:6V5W nidx=null]
 + Potamocypris Brady, 1870 [ACCEPTED GENUS 2298:84R8S nidx=null]
Potamolepidae
 - Potamolepidae [ACCEPTED FAMILY 2296:627MV nidx=null]
 + Potamolepidae Brien, 1967 [ACCEPTED FAMILY 2298:84KD8 nidx=null]
Potamolepis
 - Potamolepis [ACCEPTED GENUS 2296:6V67 nidx=null]
 + Potamolepis Marshall, 1883 [ACCEPTED GENUS 2298:84R8V nidx=null]
Potamonemertes
 - Potamonemertes [ACCEPTED GENUS 2296:6V6J nidx=null]
 + Potamonemertes Moore & Gibson, 1973 [ACCEPTED GENUS 2298:84RCP nidx=null]
Potamophloios
 - Potamophloios [ACCEPTED GENUS 2296:6V6R nidx=null]
 + Potamophloios Brien, 1970 [1969] [ACCEPTED GENUS 2298:84R8W nidx=null]
Potamostoma
 - Potamostoma [ACCEPTED GENUS 2296:6V6X nidx=null]
 + Potamostoma Kajihara, Gibson & Mawatari, 2003 [ACCEPTED GENUS 2298:84RCQ nidx=null]
Potamothrix
 - Potamothrix [ACCEPTED GENUS 2296:6V6Z nidx=null]
 + Potamothrix Vejdovský & Mrázek, 1903 [ACCEPTED GENUS 2298:84R8X nidx=null]
Potaspina
 - Potaspina [ACCEPTED GENUS 2296:6V7C nidx=null]
 + Potaspina Hartman, 1969 [ACCEPTED GENUS 2298:84RCR nidx=null]
Pottsiela
 - Pottsiela [ACCEPTED GENUS 2296:63Q27 nidx=null]
 + Pottsiela Volkmer-Ribeiro, Souza-Machado, Fürstenau-Oliveira & Vieira-Soares, 2010 [ACCEPTED GENUS 2298:84RCS nidx=null]
Pottsipelogenia
 - Pottsipelogenia [ACCEPTED GENUS 2296:6V8X nidx=null]
 + Pottsipelogenia Pettibone, 1997 [ACCEPTED GENUS 2298:84RCT nidx=null]
Pottsiscalisetosus
 - Pottsiscalisetosus [ACCEPTED GENUS 2296:6V8Y nidx=null]
 + Pottsiscalisetosus Pettibone, 1969 [ACCEPTED GENUS 2298:84R8Z nidx=null]
Pourtalocyathus
 - Pourtalocyathus [ACCEPTED GENUS 2296:6V9L nidx=null]
 + Pourtalocyathus Cairns, 1979 [ACCEPTED GENUS 2298:84R92 nidx=null]
Pourtalopsammia
 - Pourtalopsammia [ACCEPTED GENUS 2296:6V9M nidx=null]
 + Pourtalopsammia Cairns, 2001 [ACCEPTED GENUS 2298:84RCV nidx=null]
Pourtalosmilia
 - Pourtalosmilia [ACCEPTED GENUS 2296:6V9N nidx=null]
 + Pourtalosmilia Duncan, 1884 [ACCEPTED GENUS 2298:84R93 nidx=null]
Pozziella
 - Pozziella [ACCEPTED GENUS 2296:63PPL nidx=null]
 + Pozziella Topsent, 1896 [ACCEPTED GENUS 2298:84R95 nidx=null]
Praealbonemertes
 - Praealbonemertes [ACCEPTED GENUS 2296:6VB9 nidx=null]
 + Praealbonemertes Cantel, 1993 [ACCEPTED GENUS 2298:84RCX nidx=null]
Praelumbrinereis
 - Praelumbrinereis [ACCEPTED GENUS 2296:6VCW nidx=null]
 + Praelumbrinereis Kozur, 1972 [ACCEPTED GENUS 2298:84RCY nidx=null]
Praemunita
 - Praemunita [ACCEPTED GENUS 2296:6VD4 nidx=null]
 + Praemunita Labutis in Howe & Mckenzie, 1989 [ACCEPTED GENUS 2298:84RCZ nidx=null]
Praeschuleridea
 - Praeschuleridea [ACCEPTED GENUS 2296:6VDS nidx=null]
 + Praeschuleridea Bate, 1963 [ACCEPTED GENUS 2298:84RD2 nidx=null]
Pratzia
 - Pratzia [ACCEPTED GENUS 2296:6VH3 nidx=null]
 + Pratzia Duncan, 1884 [ACCEPTED GENUS 2298:84RD4 nidx=null]
Praxillella
 - Praxillella [ACCEPTED GENUS 2296:6VHF nidx=null]
 + Praxillella Verrill, 1881 [ACCEPTED GENUS 2298:84R9D nidx=null]
Praxillura
 - Praxillura [ACCEPTED GENUS 2296:6VHH nidx=null]
 + Praxillura Verrill, 1879 [ACCEPTED GENUS 2298:84R9G nidx=null]
Premocyathus
 - Premocyathus [ACCEPTED GENUS 2296:6VJV nidx=null]
 + Premocyathus Yabe & Eguchi, 1942 [ACCEPTED GENUS 2298:84R9H nidx=null]
Priapulidae
 - Priapulidae [ACCEPTED FAMILY 2296:627BK nidx=null]
 + Priapulidae Gosse, 1855 [ACCEPTED FAMILY 2298:84KD9 nidx=null]
Priapulomorpha
 - Priapulomorpha [ACCEPTED ORDER 2296:3W5 nidx=null]
 + Priapulomorpha Salvini-Plawen, 1974 [ACCEPTED ORDER 2298:84JWK nidx=null]
Priapulopsis
 - Priapulopsis [ACCEPTED GENUS 2296:6VMJ nidx=null]
 + Priapulopsis Koren & Danielssen, 1875 [ACCEPTED GENUS 2298:84R9M nidx=null]
Priapulus
 - Priapulus [ACCEPTED GENUS 2296:6VMK nidx=null]
 + Priapulus Lamarck, 1816 [ACCEPTED GENUS 2298:84R9N nidx=null]
Primnoa
 - Primnoa [ACCEPTED GENUS 2296:6VNR nidx=null]
 + Primnoa Lamouroux, 1812 [ACCEPTED GENUS 2298:84R9P nidx=null]
Primnocapsa
 - Primnocapsa [ACCEPTED GENUS 2296:6VNS nidx=null]
 + Primnocapsa Zapata-Guardiola & López-González, 2012 [ACCEPTED GENUS 2298:84RD9 nidx=null]
Primnoeides
 - Primnoeides [ACCEPTED GENUS 2296:6VNT nidx=null]
 + Primnoeides Studer & Wright, 1887 [ACCEPTED GENUS 2298:84R9Q nidx=null]
Primnoella
 - Primnoella [ACCEPTED GENUS 2296:63Q2K nidx=null]
 + Primnoella Gray, 1858 [ACCEPTED GENUS 2298:84R9R nidx=null]
Primnoidae
 - Primnoidae [ACCEPTED FAMILY 2296:627BM nidx=null]
 + Primnoidae Milne Edwards, 1857 [ACCEPTED FAMILY 2298:84KDB nidx=null]
Primnoisis
 - Primnoisis [ACCEPTED GENUS 2296:6VNW nidx=null]
 + Primnoisis Studer & Wright, 1887 [ACCEPTED GENUS 2298:84RDB nidx=null]
Prionospio
 - Prionospio [ACCEPTED SUBGENUS 2296:63PS2 nidx=null]
 - Prionospio [ACCEPTED GENUS 2296:63Q3Q nidx=null]
 + Prionospio Malmgren, 1867 [ACCEPTED GENUS 2298:84R9V nidx=null]
Prionospio (Minuspio) anatolica
 - Prionospio (Minuspio) anatolica Dagli & Çinar, 2011 [ACCEPTED SPECIES 2296:4MG82 nidx=null]
 + Prionospio (Minuspio) anatolica Dagli & Çinar, 2011 [SYNONYM SPECIES 2298:84ZWW nidx=null parent=85F8P]
Prionospio (Minuspio) japonica
 - Prionospio (Minuspio) japonica Okuda, 1935 [SYNONYM SPECIES 2296:4MG88 nidx=null parent=6W8CZ]
 + Prionospio (Minuspio) japonica Okuda, 1935 [SYNONYM SPECIES 2298:84ZWX nidx=null parent=6W8CZ]
Prionospio (Minuspio) maciolekae
 - Prionospio (Minuspio) maciolekae Dagli & Çinar, 2011 [ACCEPTED SPECIES 2296:4MG8B nidx=null]
 + Prionospio (Minuspio) maciolekae Dagli & Çinar, 2011 [SYNONYM SPECIES 2298:84ZWY nidx=null parent=85F92]
Prionospio (Paraprionospio) pinnata inaequibranchia
 - Prionospio (Paraprionospio) pinnata inaequibranchia Caullery, 1914 [SYNONYM SUBSPECIES 2296:5KNFB nidx=null parent=7HQCL]
 + Prionospio (Paraprionospio) pinnata inaequibranchia Caullery, 1914 [SYNONYM SUBSPECIES 2298:852RR nidx=null parent=85F5F]
Prionospio (Prionospio) jubata
 - Prionospio (Prionospio) jubata Blake, 1996 [ACCEPTED SPECIES 2296:4MG8S nidx=null]
 + Prionospio (Prionospio) jubata Blake, 1996 [SYNONYM SPECIES 2298:84ZWZ nidx=null parent=788CZ]
Prionospio (Prionospio) lanceolata
 - Prionospio (Prionospio) lanceolata Hartmann-Schröder, 1979 [ACCEPTED SPECIES 2296:4MG8T nidx=null]
 + Prionospio (Prionospio) lanceolata Hartmann-Schröder, 1979 [SYNONYM SPECIES 2298:84ZX2 nidx=null parent=85F8Z]
Prionospio (Prionospio) lobulata
 - Prionospio (Prionospio) lobulata Fauchald, 1972 [ACCEPTED SPECIES 2296:4MG8V nidx=null]
 + Prionospio (Prionospio) lobulata Fauchald, 1972 [SYNONYM SPECIES 2298:84ZX3 nidx=null parent=84YCG]
Prionospio (Prionospio) marsupialia
 - Prionospio (Prionospio) marsupialia Blake, 1996 [ACCEPTED SPECIES 2296:4MG8W nidx=null]
 + Prionospio (Prionospio) marsupialia Blake, 1996 [SYNONYM SPECIES 2298:84ZX4 nidx=null parent=85F93]
Prionospio (Prionospio) orensanzi
 - Prionospio (Prionospio) orensanzi Blake, 1983 [ACCEPTED SPECIES 2296:4MG8Y nidx=null]
 + Prionospio (Prionospio) orensanzi Blake, 1983 [SYNONYM SPECIES 2298:84ZX5 nidx=null parent=85F96]
Prionospio (Prionospio) pacifica
 - Prionospio (Prionospio) pacifica Zhou & Li, 2009 [ACCEPTED SPECIES 2296:4MG92 nidx=null]
 + Prionospio (Prionospio) pacifica Zhou & Li, 2009 [SYNONYM SPECIES 2298:84ZX6 nidx=null parent=85F97]
Prionospio africana
 - Prionospio africana Augener, 1918 [SYNONYM SPECIES 2296:788D8 nidx=null parent=4D9Q8]
 + Prionospio africana Augener, 1918 [SYNONYM SPECIES 2298:84ZX7 nidx=null parent=85F5B]
Prionospio cirrifera chilensis
 - Prionospio cirrifera chilensis Hartmann-Schröder, 1962 [SYNONYM SUBSPECIES 2296:5KNFC nidx=null parent=6RM8Q]
 + Prionospio cirrifera chilensis Hartmann-Schröder, 1962 [SYNONYM SUBSPECIES 2298:852RS nidx=null parent=85F8S]
Prionospio gracilis
 - Prionospio gracilis Hartmann-Schröder, 1962 [ACCEPTED SPECIES 2296:6W8D9 nidx=null]
 + Prionospio gracilis Hartmann-Schröder, 1962 [SYNONYM SPECIES 2298:84ZX8 nidx=null parent=85DZ5]
Prionospio treadwelli
 - Prionospio treadwelli Hartman, 1951 [SYNONYM SPECIES 2296:4MGCL nidx=null parent=4D9Q4]
 + Prionospio treadwelli Hartman, 1951 [SYNONYM SPECIES 2298:84YCJ nidx=null parent=84ZML]
Prionotoleberis
 - Prionotoleberis [ACCEPTED GENUS 2296:63PRS nidx=null]
 + Prionotoleberis Kornicker, 1974 [ACCEPTED GENUS 2298:84R9W nidx=null]
Pristina
 - Pristina [ACCEPTED SUBGENUS 2296:6VX7 nidx=null]
 - Pristina [ACCEPTED GENUS 2296:6VX8 nidx=null]
 + Pristina Ehrenberg, 1828 [ACCEPTED GENUS 2298:84NYS nidx=null]
Pristina (Pristina) aequiseta
 - Pristina (Pristina) aequiseta Bourne, 1891 [AMBIGUOUS_SYNONYM SPECIES 2296:6VWFW nidx=null parent=4MJV7]
 - Pristina (Pristina) aequiseta Marcus, 1943 [ACCEPTED SPECIES 2296:6VWG8 nidx=null]
 + Pristina (Pristina) aequiseta Bourne, 1891 [ACCEPTED SPECIES 2298:84ZXB nidx=null]
Pristina (Pristina) longiseta
 - Pristina (Pristina) longiseta Ehrenberg, 1828 [SYNONYM SPECIES 2296:6W8FZ nidx=null parent=4MJVH]
 + Pristina (Pristina) longiseta Ehrenberg, 1828 [ACCEPTED SPECIES 2298:84ZXC nidx=null]
Pristina (Pristina) proboscidea
 - Pristina (Pristina) proboscidea Beddard, 1896 [SYNONYM SPECIES 2296:6W8FY nidx=null parent=4MJVS]
 + Pristina (Pristina) proboscidea Beddard, 1896 [ACCEPTED SPECIES 2298:84ZXD nidx=null]
Pristina (Pristina) synclites
 - Pristina (Pristina) synclites Stephenson, 1925 [SYNONYM SPECIES 2296:77WFY nidx=null parent=4MJVW]
 + Pristina (Pristina) synclites Stephenson, 1925 [ACCEPTED SPECIES 2298:84ZXF nidx=null]
Pristina (Pristinella) amphibiotica
 - Pristina (Pristinella) amphibiotica Lastočkin, 1927 [SYNONYM SPECIES 2296:77WGC nidx=null parent=4MJV9]
 + Pristina (Pristinella) amphibiotica Lastočkin, 1927 [ACCEPTED SPECIES 2298:84ZXG nidx=null]
Pristina (Pristinella) bilobata
 - Pristina (Pristinella) bilobata (Bretscher, 1903) [SYNONYM SPECIES 2296:6VWGB nidx=null parent=4MJVB]
 + Pristina (Pristinella) bilobata (Bretscher, 1903) [ACCEPTED SPECIES 2298:84ZXH nidx=null]
Pristina (Pristinella) menoni
 - Pristina (Pristinella) menoni (Aiyer, 1929) [SYNONYM SPECIES 2296:788GD nidx=null parent=4MJVJ]
 + Pristina (Pristinella) menoni (Aiyer, 1929) [ACCEPTED SPECIES 2298:84ZXJ nidx=null]
Pristina (Pristinella) notopora
 - Pristina (Pristinella) notopora Černosvitov, 1937 [SYNONYM SPECIES 2296:6VWGG nidx=null parent=4MJVM]
 + Pristina (Pristinella) notopora Černosvitov, 1937 [ACCEPTED SPECIES 2298:84ZXK nidx=null]
Pristina (Pristinella) osborni
 - Pristina (Pristinella) osborni (Walton, 1906) [SYNONYM SPECIES 2296:6W8GG nidx=null parent=4MJVN]
 + Pristina (Pristinella) osborni (Walton, 1906) [ACCEPTED SPECIES 2298:84ZXL nidx=null]
Pristina (Pristinella) rosea
 - Pristina (Pristinella) rosea (Piguet, 1906) [SYNONYM SPECIES 2296:77WGG nidx=null parent=4MJVT]
 + Pristina (Pristinella) rosea (Piguet, 1906) [ACCEPTED SPECIES 2298:84ZXM nidx=null]
Pristina (Pristinella) sima
 - Pristina (Pristinella) sima (Marcus, 1944) [SYNONYM SPECIES 2296:4MJV4 nidx=null parent=4MJVV]
 + Pristina (Pristinella) sima (Marcus, 1944) [ACCEPTED SPECIES 2298:84ZXN nidx=null]
Pristina aequiseta
 - Pristina aequiseta Bourne, 1891 [ACCEPTED SPECIES 2296:4MJV7 nidx=null]
 + Pristina aequiseta Bourne, 1891 [SYNONYM SPECIES 2298:84YCQ nidx=null parent=84ZXB]
Pristina amphibiotica
 - Pristina amphibiotica Lastockin, 1927 [ACCEPTED SPECIES 2296:4MJV9 nidx=null]
 + Pristina amphibiotica Lastockin, 1927 [SYNONYM SPECIES 2298:84ZXP nidx=null parent=84ZXG]
Pristina bilobata
 - Pristina bilobata (Bretscher, 1903) [ACCEPTED SPECIES 2296:4MJVB nidx=null]
 + Pristina bilobata (Bretscher, 1903) [SYNONYM SPECIES 2298:84YCR nidx=null parent=84ZXH]
Pristina longiseta
 - Pristina longiseta Ehrenberg, 1828 [ACCEPTED SPECIES 2296:4MJVH nidx=null]
 + Pristina longiseta Ehrenberg, 1828 [SYNONYM SPECIES 2298:84YCZ nidx=null parent=84ZXC]
Pristina menoni
 - Pristina menoni (Aiyer, 1929) [ACCEPTED SPECIES 2296:4MJVJ nidx=null]
 + Pristina menoni (Aiyer, 1929) [SYNONYM SPECIES 2298:84YD3 nidx=null parent=84ZXJ]
Pristina notopora
 - Pristina notopora Černosvitov, 1937 [ACCEPTED SPECIES 2296:4MJVM nidx=null]
 + Pristina notopora Černosvitov, 1937 [SYNONYM SPECIES 2298:84YD4 nidx=null parent=84ZXK]
Pristina osborni
 - Pristina osborni (Walton, 1906) [ACCEPTED SPECIES 2296:4MJVN nidx=null]
 + Pristina osborni (Walton, 1906) [SYNONYM SPECIES 2298:84YD5 nidx=null parent=84ZXL]
Pristina proboscidea
 - Pristina proboscidea Beddard, 1869 [ACCEPTED SPECIES 2296:4MJVS nidx=null]
 + Pristina proboscidea Beddard, 1895 [SYNONYM SPECIES 2298:84YD7 nidx=null parent=84ZXD]
Pristina rosea
 - Pristina rosea (Piguet, 1906) [ACCEPTED SPECIES 2296:4MJVT nidx=null]
 + Pristina rosea (Piguet, 1906) [SYNONYM SPECIES 2298:84ZXQ nidx=null parent=84ZXM]
Pristina sima
 - Pristina sima (Marcus, 1944) [ACCEPTED SPECIES 2296:4MJVV nidx=null]
 + Pristina sima (Marcus, 1944) [SYNONYM SPECIES 2298:84YDB nidx=null parent=84ZXN]
Pristina synclites
 - Pristina synclites Stephenson, 1925 [ACCEPTED SPECIES 2296:4MJVW nidx=null]
 + Pristina synclites Stephenson, 1925 [SYNONYM SPECIES 2298:84YDC nidx=null parent=84ZXF]
Proarmaueria
 - Proarmaueria [ACCEPTED GENUS 2296:6VZW nidx=null]
 + Proarmaueria Coe, 1926 [ACCEPTED GENUS 2298:84RDH nidx=null]
Proarmaueriella
 - Proarmaueriella [ACCEPTED GENUS 2296:6VZX nidx=null]
 + Proarmaueriella Chernyshev, 1992 [ACCEPTED GENUS 2298:84RDJ nidx=null]
Probalaenanemertes
 - Probalaenanemertes [ACCEPTED GENUS 2296:6W2L nidx=null]
 + Probalaenanemertes Brinkmann, 1917 [ACCEPTED GENUS 2298:84RDL nidx=null]
Proboehmia
 - Proboehmia [ACCEPTED GENUS 2296:6W3L nidx=null]
 + Proboehmia Stock, 1991 [ACCEPTED GENUS 2298:84RBF nidx=null]
Proceraea
 - Proceraea [ACCEPTED GENUS 2296:6W6Y nidx=null]
 + Proceraea Ehlers, 1864 [ACCEPTED GENUS 2298:84RBP nidx=null]
Procerastea
 - Procerastea [ACCEPTED GENUS 2296:6W72 nidx=null]
 + Procerastea Langerhans, 1884 [ACCEPTED GENUS 2298:84RBQ nidx=null]
Proceroecia
 - Proceroecia [ACCEPTED GENUS 2296:6W7F nidx=null]
 + Proceroecia Kock, 1992 [ACCEPTED GENUS 2298:84RBS nidx=null]
Processoprion
 - Processoprion [ACCEPTED GENUS 2296:6W7X nidx=null]
 + Processoprion Szaniawski & Wrona, 1973 [ACCEPTED GENUS 2298:84RDM nidx=null]
Proclea
 - Proclea [ACCEPTED GENUS 2296:6W9R nidx=null]
 + Proclea Saint-Joseph, 1894 [ACCEPTED GENUS 2298:84RBT nidx=null]
Proclea emmi
 - Proclea emmi [ACCEPTED SPECIES 2296:4MNR8 nidx=null]
 + Proclea emmi Annenkova, 1937 [ACCEPTED SPECIES 2298:84YG8 nidx=null]
Proclymene
 - Proclymene [ACCEPTED GENUS 2296:6423K nidx=null]
 + Proclymene Arwidsson, 1906 [ACCEPTED GENUS 2298:84RBW nidx=null]
Procris mannii
 - Procris mannii Lederer, 1882 [ACCEPTED SPECIES 2296:4MPDF nidx=null]
 + Procris mannii Lederer, 1882 [ACCEPTED SPECIES 2298:84ZXS nidx=null]
Procythereis
 - Procythereis [ACCEPTED GENUS 2296:6424T nidx=null]
 + Procythereis Skogsberg, 1928 [ACCEPTED GENUS 2298:84RDQ nidx=null]
Procytherideis
 - Procytherideis [ACCEPTED GENUS 2296:6WDF nidx=null]
 + Procytherideis Ruggieri, 1978 [ACCEPTED GENUS 2298:84RDR nidx=null]
Procytherura
 - Procytherura [ACCEPTED GENUS 2296:6WDG nidx=null]
 + Procytherura Whatley, 1970 [ACCEPTED GENUS 2298:84RDS nidx=null]
Proeulepethus
 - Proeulepethus [ACCEPTED GENUS 2296:6WGJ nidx=null]
 + Proeulepethus Pettibone, 1986 [ACCEPTED GENUS 2298:84RDV nidx=null]
Progoniada
 - Progoniada [ACCEPTED GENUS 2296:6WHV nidx=null]
 + Progoniada Hartman, 1965 [ACCEPTED GENUS 2298:84RCN nidx=null]
Progonocytheridae
 - Progonocytheridae [ACCEPTED FAMILY 2296:F2M nidx=null]
 + Progonocytheridae Sylvester-Bradley, 1948 [ACCEPTED FAMILY 2298:84KDC nidx=null]
Prokopitraea
 - Prokopitraea [ACCEPTED GENUS 2296:6WLD nidx=null]
 + Prokopitraea Snajdar, 1983 [ACCEPTED GENUS 2298:84RDX nidx=null]
Proleptochelia
 - Proleptochelia [ACCEPTED GENUS 2296:6WMJ nidx=null]
 + Proleptochelia Vonk & Schram, 2007 [ACCEPTED GENUS 2298:84RDY nidx=null]
Proliserpula
 - Proliserpula [ACCEPTED GENUS 2296:6WNH nidx=null]
 + Proliserpula Regenhardt, 1961 [ACCEPTED GENUS 2298:84RDZ nidx=null]
Promastobranchus
 - Promastobranchus [ACCEPTED GENUS 2296:6WPX nidx=null]
 + Promastobranchus Gallardo, 1968 [ACCEPTED GENUS 2298:84RF2 nidx=null]
Prometor
 - Prometor [ACCEPTED GENUS 2296:63Q5Q nidx=null]
 + Prometor Fisher, 1948 [ACCEPTED GENUS 2298:84RD5 nidx=null]
Pronax anchorata
 - Pronax anchorata Bergquist & Fromont, 1988 [SYNONYM SPECIES 2296:4MSYK nidx=null parent=45H45]
 + Pronax anchorata Bergquist & Fromont, 1988 [SYNONYM SPECIES 2298:84ZYQ nidx=null parent=85T4R]
Pronereites
 - Pronereites [ACCEPTED GENUS 2296:6WT4 nidx=null]
 + Pronereites Klenina, 1989 [ACCEPTED GENUS 2298:84RF5 nidx=null]
Proneurotes
 - Proneurotes [ACCEPTED GENUS 2296:6WT9 nidx=null]
 + Proneurotes Montgomery, 1897 [ACCEPTED GENUS 2298:84RDD nidx=null]
Propallene
 - Propallene [ACCEPTED GENUS 2296:6425Y nidx=null]
 + Propallene Schimkewitsch, 1909 [ACCEPTED GENUS 2298:84RDF nidx=null]
Propappidae
 - Propappidae [ACCEPTED FAMILY 2296:F3G nidx=null]
 + Propappidae Coates, 1986 [ACCEPTED FAMILY 2298:84KDF nidx=null]
Propomatoceros
 - Propomatoceros [ACCEPTED GENUS 2296:6WY5 nidx=null]
 + Propomatoceros Ware, 1975 [ACCEPTED GENUS 2298:84RF9 nidx=null]
Propontocypris
 - Propontocypris [ACCEPTED SUBGENUS 2296:6WY7 nidx=null]
 - Propontocypris [ACCEPTED GENUS 2296:6WY8 nidx=null]
 + Propontocypris Sylvester-Bradley, 1947 [ACCEPTED GENUS 2298:84RDK nidx=null]
Prosadenoporus
 - Prosadenoporus [ACCEPTED GENUS 2296:6X2P nidx=null]
 + Prosadenoporus Bürger, 1890 [ACCEPTED GENUS 2298:84RFB nidx=null]
Prosadenoporus californiensis
 - Prosadenoporus californiensis (Gibson, Moore & Crandall, 1982) [ACCEPTED SPECIES 2296:6W9JN nidx=null]
 + Prosadenoporus californiensis (Gibson, Moore & Crandall, 1982) [SYNONYM SPECIES 2298:84ZYR nidx=null parent=84ZLY]
Prosadenoporus daguilarensis
 - Prosadenoporus daguilarensis (Gibson & Sundberg, 1992) [ACCEPTED SPECIES 2296:77XJN nidx=null]
 + Prosadenoporus daguilarensis (Gibson & Sundberg, 1992) [SYNONYM SPECIES 2298:84ZYS nidx=null parent=84ZLZ]
Proscalibregma
 - Proscalibregma [ACCEPTED GENUS 2296:6X3G nidx=null]
 + Proscalibregma Hartman, 1967 [ACCEPTED GENUS 2298:84RFC nidx=null]
Proscoloplos
 - Proscoloplos [ACCEPTED GENUS 2296:6X44 nidx=null]
 + Proscoloplos Day, 1954 [ACCEPTED GENUS 2298:84RDP nidx=null]
Proscoloplos bondi
 - Proscoloplos bondi Kelaher & Rouse, 2003 [ACCEPTED SPECIES 2296:4MVBJ nidx=null]
 + Proscoloplos bondi Kelaher & Rouse, 2003 [SYNONYM SPECIES 2298:84ZYV nidx=null parent=4MVBL]
Proscoloplos confusus
 - Proscoloplos confusus Hartmann-Schröder, 1962 [ACCEPTED SPECIES 2296:4MVBK nidx=null]
 + Proscoloplos confusus Hartmann-Schröder, 1962 [SYNONYM SPECIES 2298:84ZYW nidx=null parent=4MVBL]
Prosorhochmidae
 - Prosorhochmidae [ACCEPTED FAMILY 2296:F45 nidx=null]
 + Prosorhochmidae Bürger, 1895 [ACCEPTED FAMILY 2298:84KDH nidx=null]
Prosorhochmus
 - Prosorhochmus [ACCEPTED GENUS 2296:6X88 nidx=null]
 + Prosorhochmus Keferstein, 1862 [ACCEPTED GENUS 2298:84RDW nidx=null]
Prosphaerosyllis
 - Prosphaerosyllis [ACCEPTED GENUS 2296:6X8V nidx=null]
 + Prosphaerosyllis San Martín, 1984 [ACCEPTED GENUS 2298:84RFD nidx=null]
Prostoma
 - Prostoma [ACCEPTED GENUS 2296:63PGD nidx=null]
 + Prostoma Dugès, 1828 [ACCEPTED GENUS 2298:84RF3 nidx=null]
Prostoma coronatum
 - Prostoma coronatum [ACCEPTED SPECIES 2296:6VZ9W nidx=null]
 + Prostoma coronatum (Quatrefages, 1846) [ACCEPTED SPECIES 2298:84ZYY nidx=null]
Prostoma jenningsi
 - Prostoma jenningsi Gibson & Young, 1971 [ACCEPTED SPECIES 2296:4MYV9 nidx=null]
 + Prostoma jenningsi Gibson & Young, 1971 [SYNONYM SPECIES 2298:84ZYZ nidx=null parent=77Z8C]
Prostoma pulchra
 - Prostoma pulchra [SYNONYM SPECIES 2296:4MYVT nidx=null parent=47H2T]
 + Prostoma pulchra (Johnston, 1837) [SYNONYM SPECIES 2298:84ZZ2 nidx=null parent=84XQW]
Prostoma roseocephalum
 - Prostoma roseocephalum [SYNONYM SPECIES 2296:4MYW3 nidx=null parent=7C4KR]
 + Prostoma roseocephalum Yamaoka, 1947 [SYNONYM SPECIES 2298:84ZZ3 nidx=null parent=7C4KR]
Prostoma unicolor
 - Prostoma unicolor [SYNONYM SPECIES 2296:4MYWD nidx=null parent=55SJK]
 + Prostoma unicolor (Hubrecht, 1879) [SYNONYM SPECIES 2298:84ZZ4 nidx=null parent=55SJK]
Prostoma vitigerum
 - Prostoma vitigerum [SYNONYM SPECIES 2296:4MYWM nidx=null parent=55SJW]
 + Prostoma vitigerum Bürger, 1904 [SYNONYM SPECIES 2298:84ZZ5 nidx=null parent=55SJW]
Prostoma vittigerum
 - Prostoma vittigerum [SYNONYM SPECIES 2296:4MYWL nidx=null parent=55SJW]
 + Prostoma vittigerum Bürger, 1904 [SYNONYM SPECIES 2298:84ZZ6 nidx=null parent=55SJW]
Prostomatella
 - Prostomatella [ACCEPTED GENUS 2296:63PGF nidx=null]
 + Prostomatella Friedrich, 1935 [ACCEPTED GENUS 2298:84RFF nidx=null]
Prostomatidae
 - Prostomatidae [ACCEPTED FAMILY 2296:F4C nidx=null]
 + Prostomatidae Bürger, 1904 [ACCEPTED FAMILY 2298:84KDJ nidx=null]
Prostomiopsis
 - Prostomiopsis [ACCEPTED GENUS 2296:63PGK nidx=null]
 + Prostomiopsis Friedrich, 1936 [ACCEPTED GENUS 2298:84RFG nidx=null]
Prosuberites
 - Prosuberites [ACCEPTED GENUS 2296:6XB9 nidx=null]
 + Prosuberites Topsent, 1893 [ACCEPTED GENUS 2298:84RF4 nidx=null]
Protanais
 - Protanais [ACCEPTED GENUS 2296:6XD2 nidx=null]
 + Protanais Sieg, 1980 [ACCEPTED GENUS 2298:84RF6 nidx=null]
Protanaissus
 - Protanaissus [ACCEPTED GENUS 2296:6XD3 nidx=null]
 + Protanaissus Sieg, 1982 [ACCEPTED GENUS 2298:84RF7 nidx=null]
Protaphorura pseudostyriaca
 - Protaphorura pseudostyriaca (Loksa, I, 1964: 88, s.d.) [ACCEPTED SPECIES 2296:4N2BT nidx=null]
 + Protaphorura pseudostyriaca (Loksa, I, 1964: 88, s.d.) [ACCEPTED SPECIES 2298:84ZZ7 nidx=null]
Protaphorura svontoernei
 - Protaphorura svontoernei (Gisin, 1957, s.d.) [ACCEPTED SPECIES 2296:4N2C4 nidx=null]
 + Protaphorura svontoernei (Gisin, 1957, s.d.) [ACCEPTED SPECIES 2298:84ZZ8 nidx=null]
Protectoconorca
 - Protectoconorca [ACCEPTED GENUS 2296:63PHQ nidx=null]
 + Protectoconorca Jäger, 1983 [ACCEPTED GENUS 2298:84RFL nidx=null]
Proteleia
 - Proteleia [ACCEPTED GENUS 2296:6XF7 nidx=null]
 + Proteleia Dendy & Ridley, 1886 [ACCEPTED GENUS 2298:84RF8 nidx=null]
Protetrastemma
 - Protetrastemma [ACCEPTED GENUS 2296:6XHR nidx=null]
 + Protetrastemma Chernyshev, 2004 [ACCEPTED GENUS 2298:84RFR nidx=null]
Protis
 - Protis [ACCEPTED GENUS 2296:63PJ2 nidx=null]
 + Protis Ehlers, 1887 [ACCEPTED GENUS 2298:84RFS nidx=null]
Proto digitata
 - Proto digitata Oken, 1815 [SYNONYM SPECIES 2296:4N4KV nidx=null parent=34XNN]
 + Proto digitata Ørsted, 1842 [SYNONYM SPECIES 2298:84ZZ9 nidx=null parent=34XNN]
Protoarenicola
 - Protoarenicola [ACCEPTED GENUS 2296:6XKN nidx=null]
 + Protoarenicola Wang, 1983 [ACCEPTED GENUS 2298:84RFT nidx=null]
Protoaricia
 - Protoaricia [ACCEPTED GENUS 2296:6XKP nidx=null]
 + Protoaricia Czerniavsky, 1881 [ACCEPTED GENUS 2298:84RFH nidx=null]
Protoariciella
 - Protoariciella [ACCEPTED GENUS 2296:6XKQ nidx=null]
 + Protoariciella Hartmann-Schröder, 1962 [ACCEPTED GENUS 2298:84RFJ nidx=null]
Protobonellia
 - Protobonellia [ACCEPTED GENUS 2296:6XL9 nidx=null]
 + Protobonellia Ikeda, 1908 [ACCEPTED GENUS 2298:84RFK nidx=null]
Protocirrineris
 - Protocirrineris [ACCEPTED GENUS 2296:6XML nidx=null]
 + Protocirrineris Czerniavsky, 1881 [ACCEPTED GENUS 2298:84RFV nidx=null]
Protocytheretta
 - Protocytheretta [ACCEPTED GENUS 2296:6XNL nidx=null]
 + Protocytheretta Puri, 1958 [ACCEPTED GENUS 2298:84RFM nidx=null]
Protocytheridae
 - Protocytheridae [ACCEPTED FAMILY 2296:F54 nidx=null]
 + Protocytheridae Ljubimova, 1956 [ACCEPTED FAMILY 2298:84KDK nidx=null]
Protodendron
 - Protodendron [ACCEPTED GENUS 2296:6XNW nidx=null]
 + Protodendron Thomson & Dean, 1931 [ACCEPTED GENUS 2298:84RFX nidx=null]
Protodiopatra
 - Protodiopatra [ACCEPTED GENUS 2296:6XP9 nidx=null]
 + Protodiopatra Budaeva & Fauchald, 2011 [ACCEPTED GENUS 2298:84RFY nidx=null]
Protodorvillea
 - Protodorvillea [ACCEPTED GENUS 2296:6XPJ nidx=null]
 + Protodorvillea Pettibone, 1961 [ACCEPTED GENUS 2298:84RFN nidx=null]
Protodorvillea gaspeensis
 - Protodorvillea gaspeensis Pettibone, 1961 [ACCEPTED SPECIES 2296:4N579 nidx=null]
 + Protodorvillea gaspeensis Pettibone, 1961 [SYNONYM SPECIES 2298:84YGJ nidx=null parent=72VJ5]
Protodorvillea gaspeensis chilensis
 - Protodorvillea gaspeensis chilensis Hartmann-Schröder, 1965 [ACCEPTED INFRASPECIFIC_NAME 2296:7HXD7 nidx=null]
 + Protodorvillea gaspeensis chilensis Hartmann-Schröder, 1965 [SYNONYM SUBSPECIES 2298:852PM nidx=null parent=85DYL]
Protodrilidae
 - Protodrilidae [ACCEPTED FAMILY 2296:F58 nidx=null]
 + Protodrilidae Hatschek, 1888 [ACCEPTED FAMILY 2298:84KDL nidx=null]
Protodriloides
 - Protodriloides [ACCEPTED GENUS 2296:6XPL nidx=null]
 + Protodriloides Jouin, 1966 [ACCEPTED GENUS 2298:84RFP nidx=null]
Protodriloididae
 - Protodriloididae [ACCEPTED FAMILY 2296:F59 nidx=null]
 + Protodriloididae Purschke & Jouin, 1988 [ACCEPTED FAMILY 2298:84KDM nidx=null]
Protodrilus
 - Protodrilus [ACCEPTED GENUS 2296:6XPM nidx=null]
 + Protodrilus Hatschek, 1881 [ACCEPTED GENUS 2298:84RFQ nidx=null]
Protodrilus leuckartii
 - Protodrilus leuckartii Hatschek, 1881 [ACCEPTED SPECIES 2296:4N58G nidx=null]
 + Protodrilus leuckartii Hatschek, 1881 [ACCEPTED SPECIES 2298:84ZZB nidx=null]
Protolaeospira
 - Protolaeospira [ACCEPTED SUBGENUS 2296:6XS5 nidx=null]
 - Protolaeospira [ACCEPTED GENUS 2296:6XS6 nidx=null]
 + Protolaeospira Pixell, 1912 [ACCEPTED GENUS 2298:84RFW nidx=null]
Protoleodora
 - Protoleodora [ACCEPTED GENUS 2296:6XSH nidx=null]
 + Protoleodora Pillai, 1970 [ACCEPTED GENUS 2298:84RFZ nidx=null]
Protomystides
 - Protomystides [ACCEPTED GENUS 2296:63PKN nidx=null]
 + Protomystides Czerniavsky, 1882 [ACCEPTED GENUS 2298:84RG2 nidx=null]
Protomystides brunnea
 - Protomystides brunnea Hartmann-Schröder, 1963 [ACCEPTED SPECIES 2296:6VYGN nidx=null]
 + Protomystides brunnea Hartmann-Schröder, 1963 [SYNONYM SPECIES 2298:84ZZC nidx=null parent=3C9LZ]
Protonympha
 - Protonympha [ACCEPTED GENUS 2296:6XV9 nidx=null]
 + Protonympha Clarke, 1903 [ACCEPTED GENUS 2298:84RG3 nidx=null]
Protopelagonemertes
 - Protopelagonemertes [ACCEPTED GENUS 2296:6XVN nidx=null]
 + Protopelagonemertes Brinkmann, 1917 [ACCEPTED GENUS 2298:84RG4 nidx=null]
Protopholoe
 - Protopholoe [ACCEPTED GENUS 2296:6XVZ nidx=null]
 + Protopholoe Alessandrello, Bracchi & Riou, 2004 [ACCEPTED GENUS 2298:84RG5 nidx=null]
Protoptilidae
 - Protoptilidae [ACCEPTED FAMILY 2296:F5Z nidx=null]
 + Protoptilidae Kölliker, 1872 [ACCEPTED FAMILY 2298:84KDN nidx=null]
Protoptilum
 - Protoptilum [ACCEPTED GENUS 2296:6XX4 nidx=null]
 + Protoptilum Kölliker, 1872 [ACCEPTED GENUS 2298:84RG6 nidx=null]
Protosuberites
 - Protosuberites [ACCEPTED GENUS 2296:6XZH nidx=null]
 + Protosuberites Swartschewsky, 1905 [ACCEPTED GENUS 2298:84RG7 nidx=null]
Protosuberites incrustans
 - Protosuberites incrustans sensu (Stephens, 1915) [PROVISIONALLY_ACCEPTED SPECIES 2296:4N7CX nidx=null]
 + Protosuberites incrustans sensu (Stephens, 1915) [MISAPPLIED SPECIES 2298:84ZZD nidx=null parent=85T6L]
Prototrygaeus
 - Prototrygaeus [ACCEPTED GENUS 2296:6Y2K nidx=null]
 + Prototrygaeus Stock, 1975 [ACCEPTED GENUS 2298:84RG8 nidx=null]
Protuberodrilus
 - Protuberodrilus [ACCEPTED GENUS 2296:6Y42 nidx=null]
 + Protuberodrilus Giani & Martinez-Ansemil, 1979 [ACCEPTED GENUS 2298:84RG9 nidx=null]
Protubulanus
 - Protubulanus [ACCEPTED GENUS 2296:6Y44 nidx=null]
 + Protubulanus Chernyshev, 1995 [ACCEPTED GENUS 2298:84RGB nidx=null]
Protula
 - Protula [ACCEPTED GENUS 2296:6Y45 nidx=null]
 + Protula Risso, 1826 [ACCEPTED GENUS 2298:84RGC nidx=null]
Protula meilhaci
 - Protula meilhaci Soulier, 1908 [SYNONYM SPECIES 2296:6VYMV nidx=null parent=77YND]
 + Protula meilhaci Marion, 1876 [SYNONYM SPECIES 2298:84ZZF nidx=null parent=77YND]
Prunicythere
 - Prunicythere [ACCEPTED GENUS 2296:63PM8 nidx=null]
 + Prunicythere Hu & Tao, 2008 [ACCEPTED GENUS 2298:84RGG nidx=null]
Prunus domestica var. myrobalanus
 - Prunus domestica var. myrobalanus L. [SYNONYM VARIETY 2296:5QYM7 nidx=null parent=4N8QW]
 + Prunus domestica var. myrobalanus L. [SYNONYM VARIETY 2298:84ZLV nidx=null parent=4N8QW]
Psamathe
 - Psamathe [ACCEPTED GENUS 2296:6Y9D nidx=null]
 + Psamathe Johnston, 1836 [ACCEPTED GENUS 2298:84RGH nidx=null]
Psammamphiporus
 - Psammamphiporus [ACCEPTED GENUS 2296:6Y9Q nidx=null]
 + Psammamphiporus Gibson, 1989 [ACCEPTED GENUS 2298:84RGJ nidx=null]
Psammascus ceratosus
 - Psammascus ceratosus (Kirkpatrick, 1900) [SYNONYM SPECIES 2296:4NB9Q nidx=null parent=69ZM9]
 + Psammascus ceratosus (Kirkpatrick, 1900) [SYNONYM SPECIES 2298:84ZZG nidx=null parent=69ZM9]
Psammastra
 - Psammastra [ACCEPTED GENUS 2296:63PLG nidx=null]
 + Psammastra Sollas, 1886 [ACCEPTED GENUS 2298:84RGK nidx=null]
Psammochela
 - Psammochela [ACCEPTED GENUS 2296:63PB3 nidx=null]
 + Psammochela Dendy, 1916 [ACCEPTED GENUS 2298:84RGL nidx=null]
Psammocinia
 - Psammocinia [ACCEPTED GENUS 2296:63PB8 nidx=null]
 + Psammocinia Lendenfeld, 1889 [ACCEPTED GENUS 2298:84RGM nidx=null]
Psammoclema
 - Psammoclema [ACCEPTED GENUS 2296:63PB9 nidx=null]
 + Psammoclema Marshall, 1880 [ACCEPTED GENUS 2298:84RGN nidx=null]
Psammoclema digitiferum
 - Psammoclema digitiferum (Lendenfeld, 1889) [ACCEPTED SPECIES 2296:78C5R nidx=null]
 + Psammoclema digitiferum (Ridley, 1884) [ACCEPTED SPECIES 2298:84ZZM nidx=null]
Psammocora
 - Psammocora [ACCEPTED GENUS 2296:63PCC nidx=null]
 + Psammocora Dana, 1846 [ACCEPTED GENUS 2298:84RGP nidx=null]
Psammocoridae
 - Psammocoridae [ACCEPTED FAMILY 2296:F6X nidx=null]
 + Psammocoridae Chevalier & Beauvais, 1987 [ACCEPTED FAMILY 2298:84KDQ nidx=null]
Psammocythere
 - Psammocythere [ACCEPTED GENUS 2296:63PCF nidx=null]
 + Psammocythere Klie, 1936 [ACCEPTED GENUS 2298:84RGQ nidx=null]
Psammocytheridae
 - Psammocytheridae [ACCEPTED FAMILY 2296:F6Z nidx=null]
 + Psammocytheridae Klie, 1938 [ACCEPTED FAMILY 2298:84KDP nidx=null]
Psammodrilidae
 - Psammodrilidae [ACCEPTED FAMILY 2296:F72 nidx=null]
 + Psammodrilidae Swedmark, 1952 [ACCEPTED FAMILY 2298:84KDR nidx=null]
Psammodrilus
 - Psammodrilus [ACCEPTED GENUS 2296:63PBP nidx=null]
 + Psammodrilus Swedmark, 1952 [ACCEPTED GENUS 2298:84RGR nidx=null]
Psammogorgia
 - Psammogorgia [ACCEPTED GENUS 2296:63PC3 nidx=null]
 + Psammogorgia Verrill, 1868 [ACCEPTED GENUS 2298:84RGS nidx=null]
Psammokalliapseudes
 - Psammokalliapseudes [ACCEPTED GENUS 2296:6YBC nidx=null]
 + Psammokalliapseudes Lang, 1956 [ACCEPTED GENUS 2298:84RGT nidx=null]
Psammolyce
 - Psammolyce [ACCEPTED GENUS 2296:6YBJ nidx=null]
 + Psammolyce Kinberg, 1856 [ACCEPTED GENUS 2298:84RGV nidx=null]
Psammopemma digitiferum
 - Psammopemma digitiferum Lendenfeld, 1889 [SYNONYM SPECIES 2296:4NCS8 nidx=null parent=78C5R]
 + Psammopemma digitiferum (Ridley, 1884) [SYNONYM SPECIES 2298:84ZZT nidx=null parent=84ZZM]
Psammoriedlia
 - Psammoriedlia [ACCEPTED GENUS 2296:6YCG nidx=null]
 + Psammoriedlia Kirsteuer, 1966 [ACCEPTED GENUS 2298:84RGX nidx=null]
Psammoryctes umbellifer
 - Psammoryctes umbellifer Grube, 1861 [SYNONYM SPECIES 2296:4ND3Q nidx=null parent=4ND3T]
 + Psammoryctes umbellifer (Kessler, 1868) [SYNONYM SPECIES 2298:84ZZV nidx=null parent=4ND3T]
Psammoryctides
 - Psammoryctides [ACCEPTED GENUS 2296:6YCK nidx=null]
 + Psammoryctides Hrabe, 1964 [ACCEPTED GENUS 2298:84RGY nidx=null]
Psammosyllis
 - Psammosyllis [ACCEPTED GENUS 2296:6YCX nidx=null]
 + Psammosyllis Westheide, 1990 [ACCEPTED GENUS 2298:84RGZ nidx=null]
Pseudachorutes yoshiii
 - Pseudachorutes yoshiii Najt, J & Weiner, WM, 1991 [ACCEPTED SPECIES 2296:4NH7C nidx=null]
 + Pseudachorutes yoshiii Najt, J & Weiner, WM, 1991 [ACCEPTED SPECIES 2298:84ZZW nidx=null]
Pseudalciopa
 - Pseudalciopa [ACCEPTED GENUS 2296:6YMT nidx=null]
 + Pseudalciopa Støp-Bowitz, 1991 [ACCEPTED GENUS 2298:84RH2 nidx=null]
Pseuderanthemum teysmannii
 - Pseuderanthemum teysmannii (Anderson) Ridl. [ACCEPTED SPECIES 2296:4NMRY nidx=null]
 + Pseuderanthemum teysmannii (Anderson) Ridl. [ACCEPTED SPECIES 2298:84YJP nidx=null]
Pseudeucythere
 - Pseudeucythere [ACCEPTED GENUS 2296:6YZN nidx=null]
 + Pseudeucythere Hartmann, 1989 [ACCEPTED GENUS 2298:84RH3 nidx=null]
Pseudeupanthalis eylathae
 - Pseudeupanthalis eylathae Fauvel, 1957 [ACCEPTED SPECIES 2296:4NMZG nidx=null]
 + Pseudeupanthalis eylathae Fauvel, 1958 [SYNONYM SPECIES 2298:84ZZX nidx=null parent=85FG6]
Pseudexogone
 - Pseudexogone [ACCEPTED GENUS 2296:6Z2Q nidx=null]
 + Pseudexogone Augener, 1922 [ACCEPTED GENUS 2298:84RH4 nidx=null]
Pseudicyema
 - Pseudicyema [ACCEPTED GENUS 2296:6Z48 nidx=null]
 + Pseudicyema Nouvel, 1933 [ACCEPTED GENUS 2298:84RH5 nidx=null]
Pseudoanthomastus
 - Pseudoanthomastus [ACCEPTED GENUS 2296:6Z7P nidx=null]
 + Pseudoanthomastus Tixier-Durivault & d'Hondt, 1974 [ACCEPTED GENUS 2298:84RH6 nidx=null]
Pseudoapseudes
 - Pseudoapseudes [ACCEPTED GENUS 2296:642WM nidx=null]
 + Pseudoapseudes Gutu, 1981 [ACCEPTED GENUS 2298:84RH7 nidx=null]
Pseudoapseudomorpha
 - Pseudoapseudomorpha [ACCEPTED GENUS 2296:6Z7V nidx=null]
 + Pseudoapseudomorpha Gutu, 1991 [ACCEPTED GENUS 2298:84RH8 nidx=null]
Pseudoarenicola
 - Pseudoarenicola [ACCEPTED GENUS 2296:6Z84 nidx=null]
 + Pseudoarenicola Liu & Yang, 1991 [ACCEPTED GENUS 2298:84RH9 nidx=null]
Pseudoarthrura
 - Pseudoarthrura [ACCEPTED GENUS 2296:6438M nidx=null]
 + Pseudoarthrura Larsen, 2005 [ACCEPTED GENUS 2298:84RHB nidx=null]
Pseudoaugeneriella
 - Pseudoaugeneriella [ACCEPTED GENUS 2296:6Z8R nidx=null]
 + Pseudoaugeneriella Fitzhugh, 1998 [ACCEPTED GENUS 2298:84RHC nidx=null]
Pseudoaurila
 - Pseudoaurila [ACCEPTED GENUS 2296:63R8P nidx=null]
 + Pseudoaurila Ishizaki & Kato, 1976 [ACCEPTED GENUS 2298:84RHD nidx=null]
Pseudobaseodiscus
 - Pseudobaseodiscus [ACCEPTED GENUS 2296:63R8R nidx=null]
 + Pseudobaseodiscus Senz, 1993 [ACCEPTED GENUS 2298:84RHF nidx=null]
Pseudobathytanais
 - Pseudobathytanais [ACCEPTED GENUS 2296:642WQ nidx=null]
 + Pseudobathytanais Kudinova-Pasternak, 1990 [ACCEPTED GENUS 2298:84RHG nidx=null]
Pseudobonellia
 - Pseudobonellia [ACCEPTED GENUS 2296:6ZC7 nidx=null]
 + Pseudobonellia Johnston & Tiegs, 1919 [ACCEPTED GENUS 2298:84RHH nidx=null]
Pseudobosquetina
 - Pseudobosquetina [ACCEPTED GENUS 2296:6ZCC nidx=null]
 + Pseudobosquetina Guernet & Moullade, 1994 [ACCEPTED GENUS 2298:84RHJ nidx=null]
Pseudobranchiomma
 - Pseudobranchiomma [ACCEPTED GENUS 2296:6ZCS nidx=null]
 + Pseudobranchiomma Jones, 1962 [ACCEPTED GENUS 2298:84RHK nidx=null]
Pseudobythocypris
 - Pseudobythocypris [ACCEPTED GENUS 2296:63QY9 nidx=null]
 + Pseudobythocypris Shaver, 1958 [ACCEPTED GENUS 2298:84RHL nidx=null]
Pseudocandona
 - Pseudocandona [ACCEPTED GENUS 2296:6ZF8 nidx=null]
 + Pseudocandona Kaufmann, 1900 [ACCEPTED GENUS 2298:84RHM nidx=null]
Pseudocapitella
 - Pseudocapitella [ACCEPTED GENUS 2296:6ZFB nidx=null]
 + Pseudocapitella Fauvel, 1913 [ACCEPTED GENUS 2298:84RHN nidx=null]
Pseudocarcinonemertes
 - Pseudocarcinonemertes [ACCEPTED GENUS 2296:6ZFK nidx=null]
 + Pseudocarcinonemertes Fleming & Gibson, 1981 [ACCEPTED GENUS 2298:84RHP nidx=null]
Pseudoceratina
 - Pseudoceratina [ACCEPTED GENUS 2296:6ZHF nidx=null]
 + Pseudoceratina Carter, 1885 [ACCEPTED GENUS 2298:84RHQ nidx=null]
Pseudoceratina typicus
 - Pseudoceratina typicus Carter, 1886 [SYNONYM SPECIES 2296:4NR42 nidx=null parent=7BYDP]
 + Pseudoceratina typicus [SYNONYM SPECIES 2298:84ZZY nidx=null parent=7BYDP]
Pseudoceratinidae
 - Pseudoceratinidae [ACCEPTED FAMILY 2296:F83 nidx=null]
 + Pseudoceratinidae Carter, 1885 [ACCEPTED FAMILY 2298:84KDS nidx=null]
Pseudochitinopoma
 - Pseudochitinopoma [ACCEPTED GENUS 2296:6ZKL nidx=null]
 + Pseudochitinopoma Zibrowius, 1969 [ACCEPTED GENUS 2298:84RHR nidx=null]
Pseudochrysogorgia
 - Pseudochrysogorgia [ACCEPTED GENUS 2296:6ZLN nidx=null]
 + Pseudochrysogorgia Pante & France, 2010 [ACCEPTED GENUS 2298:84RHS nidx=null]
Pseudocirratulus
 - Pseudocirratulus [ACCEPTED GENUS 2296:6ZM2 nidx=null]
 + Pseudocirratulus Augener, 1922 [ACCEPTED GENUS 2298:84RHT nidx=null]
Pseudocladochonus
 - Pseudocladochonus [ACCEPTED GENUS 2296:6ZM6 nidx=null]
 + Pseudocladochonus Versluys, 1907 [ACCEPTED GENUS 2298:84RHV nidx=null]
Pseudoclathria compressa
 - Pseudoclathria compressa (Carter, 1886) [SYNONYM SPECIES 2296:4NTSG nidx=null parent=6BDXD]
 + Pseudoclathria compressa (Carter, 1886) [SYNONYM SPECIES 2298:84ZZZ nidx=null parent=85SRQ]
Pseudoclymene
 - Pseudoclymene [ACCEPTED GENUS 2296:6ZNJ nidx=null]
 + Pseudoclymene Arwidsson, 1906 [ACCEPTED GENUS 2298:84RHW nidx=null]
Pseudoconcha
 - Pseudoconcha [ACCEPTED GENUS 2296:6ZPY nidx=null]
 + Pseudoconcha Witte, 1993 [ACCEPTED GENUS 2298:84RHX nidx=null]
Pseudoconchoecia
 - Pseudoconchoecia [ACCEPTED GENUS 2296:6ZPZ nidx=null]
 + Pseudoconchoecia Claus, 1891 [ACCEPTED GENUS 2298:84RHY nidx=null]
Pseudocorticium
 - Pseudocorticium [ACCEPTED GENUS 2296:6ZR4 nidx=null]
 + Pseudocorticium Boury-Esnault, Muricy, Gallissian & Vacelet, 1995 [ACCEPTED GENUS 2298:84RHZ nidx=null]
Pseudocyathoceras
 - Pseudocyathoceras [ACCEPTED GENUS 2296:6ZSV nidx=null]
 + Pseudocyathoceras Cairns, 1991 [ACCEPTED GENUS 2298:84RJ2 nidx=null]
Pseudocypridopsis
 - Pseudocypridopsis [ACCEPTED GENUS 2296:6ZTN nidx=null]
 + Pseudocypridopsis Karanovic, 1999 [ACCEPTED GENUS 2298:84RJ3 nidx=null]
Pseudocythere
 - Pseudocythere [ACCEPTED GENUS 2296:6ZTV nidx=null]
 + Pseudocythere Sars, 1866 [ACCEPTED GENUS 2298:84RJ4 nidx=null]
Pseudocythere (Plenocythere) fragilis
 - Pseudocythere (Plenocythere) fragilis Swanson, 1979 [ACCEPTED SPECIES 2296:6WG93 nidx=null]
 + Pseudocythere (Plenocythere) fragilis Swanson, 1979 [SYNONYM SPECIES 2298:85222 nidx=null parent=85SJS]
Pseudocythereis
 - Pseudocythereis [ACCEPTED GENUS 2296:6ZTX nidx=null]
 + Pseudocythereis Jennings, 1936 [PROVISIONALLY_ACCEPTED GENUS 2298:84RJ5 nidx=null]
 + Pseudocythereis Skogsberg, 1928 [ACCEPTED GENUS 2298:84RJ6 nidx=null]
Pseudocytherura
 - Pseudocytherura [ACCEPTED GENUS 2296:6ZTY nidx=null]
 + Pseudocytherura Dubovsky, 1939 [ACCEPTED GENUS 2298:84RJ7 nidx=null]
Pseudodictyophimus gracilipes
 - Pseudodictyophimus gracilipes Caulet, 1979 [ACCEPTED SPECIES 2296:4NW44 nidx=null]
 + Pseudodictyophimus gracilipes (Bailey, 1856) [ACCEPTED SPECIES 2298:85223 nidx=null]
Pseudodiploria
 - Pseudodiploria [ACCEPTED GENUS 2296:63QYN nidx=null]
 + Pseudodiploria Fukami, Budd & Knowlton, 2012 [ACCEPTED GENUS 2298:84RJ8 nidx=null]
Pseudodoloria
 - Pseudodoloria [ACCEPTED GENUS 2296:6ZXM nidx=null]
 + Pseudodoloria Kornicker, 1994 [ACCEPTED GENUS 2298:84RJ9 nidx=null]
Pseudodrifa
 - Pseudodrifa [ACCEPTED GENUS 2296:6ZY4 nidx=null]
 + Pseudodrifa Utinomi, 1961 [ACCEPTED GENUS 2298:84RJB nidx=null]
Pseudodysponetus
 - Pseudodysponetus [ACCEPTED GENUS 2296:6ZYC nidx=null]
 + Pseudodysponetus Böggemann, 2009 [ACCEPTED GENUS 2298:84RJC nidx=null]
Pseudoesperia carteri
 - Pseudoesperia carteri Dendy & Frederick, 1924 [SYNONYM SPECIES 2296:78G8B nidx=null parent=44RWQ]
 + Pseudoesperia carteri Dendy & Frederick, 1924 [SYNONYM SPECIES 2298:85224 nidx=null parent=84Z99]
Pseudoethmonaria
 - Pseudoethmonaria [ACCEPTED GENUS 2296:63QZ3 nidx=null]
 + Pseudoethmonaria Li & Jiang, 1987 [ACCEPTED GENUS 2298:84RJD nidx=null]
Pseudoeucypris
 - Pseudoeucypris [ACCEPTED GENUS 2296:6ZZH nidx=null]
 + Pseudoeucypris Schneider, 1957 [ACCEPTED GENUS 2298:84RJF nidx=null]
Pseudofabricia
 - Pseudofabricia [ACCEPTED GENUS 2296:6ZZS nidx=null]
 + Pseudofabricia Cantone, 1972 [ACCEPTED GENUS 2298:84RJG nidx=null]
Pseudofabriciola
 - Pseudofabriciola [ACCEPTED GENUS 2296:6ZZT nidx=null]
 + Pseudofabriciola Fitzhugh, 1990 [ACCEPTED GENUS 2298:84RJH nidx=null]
Pseudogorgia
 - Pseudogorgia [ACCEPTED GENUS 2296:725N nidx=null]
 + Pseudogorgia Kölliker, 1870 [ACCEPTED GENUS 2298:84RJJ nidx=null]
Pseudogorgiidae
 - Pseudogorgiidae [ACCEPTED FAMILY 2296:F8Y nidx=null]
 + Pseudogorgiidae Utinomi & Harada, 1973 [ACCEPTED FAMILY 2298:84KDT nidx=null]
Pseudohalichondria
 - Pseudohalichondria [ACCEPTED GENUS 2296:726Z nidx=null]
 + Pseudohalichondria Carter, 1886 [ACCEPTED GENUS 2298:84RJK nidx=null]
Pseudohalmyrapseudes
 - Pseudohalmyrapseudes [ACCEPTED GENUS 2296:7274 nidx=null]
 + Pseudohalmyrapseudes Larsen & Hansknecht, 2004 [ACCEPTED GENUS 2298:84RJL nidx=null]
Pseudohalosydna
 - Pseudohalosydna [ACCEPTED GENUS 2296:7279 nidx=null]
 + Pseudohalosydna Fauvel, 1913 [ACCEPTED GENUS 2298:84RJM nidx=null]
Pseudoikedella
 - Pseudoikedella [ACCEPTED GENUS 2296:63QP4 nidx=null]
 + Pseudoikedella Murina, 1978 [ACCEPTED GENUS 2298:84RJP nidx=null]
Pseudokeijella
 - Pseudokeijella [ACCEPTED GENUS 2296:72BS nidx=null]
 + Pseudokeijella Dingle, 1992 [ACCEPTED GENUS 2298:84RJQ nidx=null]
Pseudoleiocapitella
 - Pseudoleiocapitella [ACCEPTED GENUS 2296:642PM nidx=null]
 + Pseudoleiocapitella Harmelin, 1964 [ACCEPTED GENUS 2298:84RJS nidx=null]
Pseudoleptochelia
 - Pseudoleptochelia [ACCEPTED GENUS 2296:63R24 nidx=null]
 + Pseudoleptochelia Lang, 1973 [ACCEPTED GENUS 2298:84RJT nidx=null]
Pseudoleptognathia
 - Pseudoleptognathia [ACCEPTED GENUS 2296:63R23 nidx=null]
 + Pseudoleptognathia Sieg, 1986 [ACCEPTED GENUS 2298:84RJV nidx=null]
Pseudoloxoconcha
 - Pseudoloxoconcha [ACCEPTED GENUS 2296:63QQ8 nidx=null]
 + Pseudoloxoconcha Mueller, 1894 [ACCEPTED GENUS 2298:84RJW nidx=null]
Pseudomacrinella
 - Pseudomacrinella [ACCEPTED GENUS 2296:72J6 nidx=null]
 + Pseudomacrinella Kudinova-Pasternak, 1990 [ACCEPTED GENUS 2298:84RJX nidx=null]
Pseudomicrura
 - Pseudomicrura [ACCEPTED GENUS 2296:72NB nidx=null]
 + Pseudomicrura Strand & Sundberg, 2011 [ACCEPTED GENUS 2298:84RJZ nidx=null]
Pseudomystides
 - Pseudomystides [ACCEPTED GENUS 2296:72RL nidx=null]
 + Pseudomystides Bergström, 1914 [ACCEPTED GENUS 2298:84RK2 nidx=null]
Pseudonereis
 - Pseudonereis [ACCEPTED GENUS 2296:72T3 nidx=null]
 + Pseudonereis Kinberg, 1865 [ACCEPTED GENUS 2298:84RK3 nidx=null]
Pseudonereis formosa
 - Pseudonereis formosa Kinberg, 1866 [SYNONYM SPECIES 2296:4P4Z2 nidx=null parent=4P4Z3]
 + Pseudonereis formosa Kinberg, 1865 [ACCEPTED SPECIES 2298:85227 nidx=null]
Pseudonotomastus
 - Pseudonotomastus [ACCEPTED GENUS 2296:63QQP nidx=null]
 + Pseudonotomastus Warren & Parker, 1994 [ACCEPTED GENUS 2298:84RK4 nidx=null]
Pseudonototanais
 - Pseudonototanais [ACCEPTED GENUS 2296:6432P nidx=null]
 + Pseudonototanais Lang, 1973 [ACCEPTED GENUS 2298:84RK5 nidx=null]
Pseudopallene
 - Pseudopallene [ACCEPTED GENUS 2296:72VS nidx=null]
 + Pseudopallene Wilson, 1878 [ACCEPTED GENUS 2298:84RK6 nidx=null]
Pseudoparatanais
 - Pseudoparatanais [ACCEPTED GENUS 2296:642R5 nidx=null]
 + Pseudoparatanais Lang, 1973 [ACCEPTED GENUS 2298:84RK7 nidx=null]
Pseudophilomedes
 - Pseudophilomedes [ACCEPTED GENUS 2296:732Q nidx=null]
 + Pseudophilomedes Mueller, 1894 [ACCEPTED GENUS 2298:84RK9 nidx=null]
Pseudophryotrocha
 - Pseudophryotrocha [ACCEPTED GENUS 2296:733S nidx=null]
 + Pseudophryotrocha Hilbig & Blake, 1991 [ACCEPTED GENUS 2298:84RKB nidx=null]
Pseudopista
 - Pseudopista [ACCEPTED GENUS 2296:7352 nidx=null]
 + Pseudopista Hutchings & Smith, 1997 [ACCEPTED GENUS 2298:84RKC nidx=null]
Pseudoplectella
 - Pseudoplectella [ACCEPTED GENUS 2296:7363 nidx=null]
 + Pseudoplectella Tabachnick, 1990 [ACCEPTED GENUS 2298:84RKD nidx=null]
Pseudoplexaura
 - Pseudoplexaura [ACCEPTED GENUS 2296:63QQX nidx=null]
 + Pseudoplexaura Wright & Studer, 1889 [ACCEPTED GENUS 2298:84RKF nidx=null]
Pseudoplumarella
 - Pseudoplumarella [ACCEPTED GENUS 2296:736M nidx=null]
 + Pseudoplumarella Kükenthal, 1915 [ACCEPTED GENUS 2298:84RKG nidx=null]
Pseudopolycope
 - Pseudopolycope [ACCEPTED GENUS 2296:7376 nidx=null]
 + Pseudopolycope Chavtur, 1981 [ACCEPTED GENUS 2298:84RKH nidx=null]
Pseudopolydora
 - Pseudopolydora [ACCEPTED GENUS 2296:7379 nidx=null]
 + Pseudopolydora Czerniavsky, 1881 [ACCEPTED GENUS 2298:84RKJ nidx=null]
Pseudopolydora reishi
 - Pseudopolydora reishi Woodwick, 1964 [ACCEPTED SPECIES 2296:4P8KC nidx=null]
 + Pseudopolydora reishi Woodwick, 1964 [SYNONYM SPECIES 2298:84YH3 nidx=null parent=84TMF]
Pseudopolydorites
 - Pseudopolydorites [ACCEPTED GENUS 2296:63R2X nidx=null]
 + Pseudopolydorites Glazek, Marcinkowski & Wierzbowski, 1971 [ACCEPTED GENUS 2298:84RKK nidx=null]
Pseudopolynoe
 - Pseudopolynoe [ACCEPTED GENUS 2296:737G nidx=null]
 + Pseudopolynoe Day, 1962 [ACCEPTED GENUS 2298:84RKL nidx=null]
Pseudopotamilla
 - Pseudopotamilla [ACCEPTED GENUS 2296:7388 nidx=null]
 + Pseudopotamilla Bush, 1905 [ACCEPTED GENUS 2298:84RKM nidx=null]
Pseudoproclea
 - Pseudoproclea [ACCEPTED GENUS 2296:738P nidx=null]
 + Pseudoproclea Hutchings & Glasby, 1990 [ACCEPTED GENUS 2298:84RKN nidx=null]
Pseudoprotula
 - Pseudoprotula [ACCEPTED GENUS 2296:63QR8 nidx=null]
 + Pseudoprotula Pillai, 2009 [ACCEPTED GENUS 2298:84RKP nidx=null]
Pseudopsammocythere
 - Pseudopsammocythere [ACCEPTED GENUS 2296:739K nidx=null]
 + Pseudopsammocythere Carbonnel, 1966 [ACCEPTED GENUS 2298:84RKQ nidx=null]
Pseudopterogorgia
 - Pseudopterogorgia [ACCEPTED GENUS 2296:6432Z nidx=null]
 + Pseudopterogorgia Kükenthal, 1919 [ACCEPTED GENUS 2298:84RKR nidx=null]
Pseudorhynchelmis
 - Pseudorhynchelmis [ACCEPTED GENUS 2296:73DD nidx=null]
 + Pseudorhynchelmis Hrabĕ, 1982 [ACCEPTED GENUS 2298:84RKS nidx=null]
Pseudoscalibregma
 - Pseudoscalibregma [ACCEPTED GENUS 2296:73G3 nidx=null]
 + Pseudoscalibregma Ashworth, 1901 [ACCEPTED GENUS 2298:84RKV nidx=null]
Pseudosiderastrea
 - Pseudosiderastrea [ACCEPTED GENUS 2296:73JR nidx=null]
 + Pseudosiderastrea Yabe & Sugiyama, 1935 [ACCEPTED GENUS 2298:84ML9 nidx=null]
Pseudosinella marcuzzii
 - Pseudosinella marcuzzii Rusek, 1985 [ACCEPTED SPECIES 2296:4PBBS nidx=null]
 + Pseudosinella marcuzzii Rusek, 1985 [ACCEPTED SPECIES 2298:8522B nidx=null]
Pseudosphyrapus
 - Pseudosphyrapus [ACCEPTED GENUS 2296:73M2 nidx=null]
 + Pseudosphyrapus Gutu, 1980 [ACCEPTED GENUS 2298:84RKX nidx=null]
Pseudospiridion
 - Pseudospiridion [ACCEPTED GENUS 2296:73M6 nidx=null]
 + Pseudospiridion Erséus, 1992 [ACCEPTED GENUS 2298:84RKY nidx=null]
Pseudospongosorites
 - Pseudospongosorites [ACCEPTED GENUS 2296:73MH nidx=null]
 + Pseudospongosorites McCormack & Kelly, 2002 [ACCEPTED GENUS 2298:84RKZ nidx=null]
Pseudostreblosoma
 - Pseudostreblosoma [ACCEPTED GENUS 2296:73PD nidx=null]
 + Pseudostreblosoma Hutchings & Murray, 1984 [ACCEPTED GENUS 2298:84RL2 nidx=null]
Pseudosuberia
 - Pseudosuberia [ACCEPTED GENUS 2296:73PT nidx=null]
 + Pseudosuberia Kükenthal, 1916 [ACCEPTED GENUS 2298:84RL3 nidx=null]
Pseudosuberites
 - Pseudosuberites [ACCEPTED GENUS 2296:6433W nidx=null]
 + Pseudosuberites Topsent, 1896 [ACCEPTED GENUS 2298:84RL4 nidx=null]
Pseudosyllis
 - Pseudosyllis [ACCEPTED GENUS 2296:73QC nidx=null]
 + Pseudosyllis Grube, 1863 [ACCEPTED GENUS 2298:84RL5 nidx=null]
Pseudotanaidae
 - Pseudotanaidae [ACCEPTED FAMILY 2296:627F5 nidx=null]
 + Pseudotanaidae Sieg, 1976 [ACCEPTED FAMILY 2298:84KDV nidx=null]
Pseudotanais
 - Pseudotanais [ACCEPTED GENUS 2296:63R47 nidx=null]
 + Pseudotanais Sars, 1882 [ACCEPTED GENUS 2298:84RL6 nidx=null]
Pseudothelepus
 - Pseudothelepus [ACCEPTED GENUS 2296:73TC nidx=null]
 + Pseudothelepus Augener, 1918 [ACCEPTED GENUS 2298:84RL8 nidx=null]
Pseudothelepus nyanganus
 - Pseudothelepus nyanganus Augener, 1918 [ACCEPTED SPECIES 2296:4PD7J nidx=null]
 + Pseudothelepus nyanganus Augener, 1918 [SYNONYM SPECIES 2298:8522C nidx=null parent=4PD7K]
Pseudothelogorgia
 - Pseudothelogorgia [ACCEPTED GENUS 2296:73TD nidx=null]
 + Pseudothelogorgia (van Ofwegen, 1990) [ACCEPTED GENUS 2298:84RL9 nidx=null]
Pseudotrachya
 - Pseudotrachya [ACCEPTED GENUS 2296:73W2 nidx=null]
 + Pseudotrachya Hallmann, 1914 [ACCEPTED GENUS 2298:84RL7 nidx=null]
Pseudovermilia
 - Pseudovermilia [ACCEPTED GENUS 2296:73ZQ nidx=null]
 + Pseudovermilia Bush, 1907 [ACCEPTED GENUS 2298:84RLB nidx=null]
Pseudowhiteleggia
 - Pseudowhiteleggia [ACCEPTED GENUS 2296:742H nidx=null]
 + Pseudowhiteleggia Lang, 1970 [ACCEPTED GENUS 2298:84RLC nidx=null]
Pseudozeuxidae
 - Pseudozeuxidae [ACCEPTED FAMILY 2296:62773 nidx=null]
 + Pseudozeuxidae Sieg, 1982 [ACCEPTED FAMILY 2298:84KDW nidx=null]
Pseudozeuxo
 - Pseudozeuxo [ACCEPTED GENUS 2296:744L nidx=null]
 + Pseudozeuxo Sieg, 1982 [ACCEPTED GENUS 2298:84RLD nidx=null]
Psilocalyx
 - Psilocalyx [ACCEPTED GENUS 2296:747H nidx=null]
 + Psilocalyx Ijima, 1927 [ACCEPTED GENUS 2298:84RLF nidx=null]
Psygmobranchus protensus
 - Psygmobranchus protensus not Gmelin [SYNONYM SPECIES 2296:4PRD3 nidx=null parent=77YND]
 + Psygmobranchus protensus not Gmelin, sensu Philippi, 1844 [SYNONYM SPECIES 2298:8522M nidx=null parent=77YND]
Pterobairdia
 - Pterobairdia [ACCEPTED GENUS 2296:74MH nidx=null]
 + Pterobairdia Mckenzie & Keij, 1977 [ACCEPTED GENUS 2298:84RLL nidx=null]
Pterocirrus
 - Pterocirrus [ACCEPTED GENUS 2296:74P4 nidx=null]
 + Pterocirrus Claparède, 1868 [ACCEPTED GENUS 2298:84RLG nidx=null]
Pterocorythidae
 - Pterocorythidae [ACCEPTED FAMILY 2296:FD3 nidx=null]
 + Pterocorythidae Haeckel, 1881 [ACCEPTED FAMILY 2298:84KDZ nidx=null]
Pterocypridina
 - Pterocypridina [ACCEPTED GENUS 2296:74PZ nidx=null]
 + Pterocypridina Poulsen, 1962 [ACCEPTED GENUS 2298:84RLJ nidx=null]
Pteroeides
 - Pteroeides [ACCEPTED GENUS 2296:74QF nidx=null]
 + Pteroeides Herklots, 1858 [ACCEPTED GENUS 2298:84RLN nidx=null]
Pteroeides griseum
 - Pteroeides griseum (Linnaeus, 1767) [ACCEPTED SPECIES 2296:4PWLP nidx=null]
 + Pteroeides griseum (Bohadsch, 1761) [ACCEPTED SPECIES 2298:8523Q nidx=null]
Pteroeides spinosum
 - Pteroeides spinosum (Ellis, 1764) [ACCEPTED SPECIES 2296:4PWM5 nidx=null]
 + Pteroeides spinosum (Ellis & Solander, 1786) [SYNONYM SPECIES 2298:8523S nidx=null parent=8523Q]
Pteroeides tenerum
 - Pteroeides tenerum Kölliker, 1869 [ACCEPTED SPECIES 2296:4PWM6 nidx=null]
 + Pteroeides tenerum Kölliker, 1869 [SYNONYM SPECIES 2298:8523T nidx=null parent=4PWLM]
Pterogenys
 - Pterogenys [ACCEPTED GENUS 2296:74QN nidx=null]
 + Pterogenys Courtinat, 1998 [ACCEPTED GENUS 2298:84RLP nidx=null]
Pterogorgia
 - Pterogorgia [ACCEPTED GENUS 2296:74R3 nidx=null]
 + Pterogorgia Ehrenberg, 1834 [ACCEPTED GENUS 2298:84RLK nidx=null]
Pteromeniscus
 - Pteromeniscus [ACCEPTED GENUS 2296:74S6 nidx=null]
 + Pteromeniscus Kornicker, 1981 [ACCEPTED GENUS 2298:84RLS nidx=null]
Pteronisis
 - Pteronisis [ACCEPTED GENUS 2296:74ST nidx=null]
 + Pteronisis Alderslade, 1998 [ACCEPTED GENUS 2298:84RLT nidx=null]
Pterostenella
 - Pterostenella [ACCEPTED GENUS 2296:74VM nidx=null]
 + Pterostenella Versluys, 1906 [ACCEPTED GENUS 2298:84RLY nidx=null]
Pterosyllis dorsigera
 - Pterosyllis dorsigera Claparède, 1864 [SYNONYM SPECIES 2296:4Q6M5 nidx=null parent=CMW4]
 + Pterosyllis dorsigera Claparède, 1864 [SYNONYM SPECIES 2298:8523X nidx=null parent=84TCF]
Pterosyllis formosa
 - Pterosyllis formosa Claparède, 1863 [SYNONYM SPECIES 2296:4Q6M6 nidx=null parent=CMW4]
 + Pterosyllis formosa Claparède, 1863 [SYNONYM SPECIES 2298:8523Y nidx=null parent=84TCF]
Pterosyllis plectorhyncha
 - Pterosyllis plectorhyncha Marenzeller, 1874 [SYNONYM SPECIES 2296:4Q6M7 nidx=null parent=CMW4]
 + Pterosyllis plectorhyncha Marenzeller, 1874 [SYNONYM SPECIES 2298:8523Z nidx=null parent=84TCD]
Pterygocythereis
 - Pterygocythereis [ACCEPTED GENUS 2296:74XX nidx=null]
 + Pterygocythereis Blake, 1933 [ACCEPTED GENUS 2298:84RLX nidx=null]
Ptilocaulis
 - Ptilocaulis [ACCEPTED GENUS 2296:74ZS nidx=null]
 + Ptilocaulis Carter, 1883 [ACCEPTED GENUS 2298:84RM2 nidx=null]
Ptilosarcus
 - Ptilosarcus [ACCEPTED GENUS 2296:753Q nidx=null]
 + Ptilosarcus Verrill, 1865 [ACCEPTED GENUS 2298:84RM3 nidx=null]
Ptychodes splendida
 - Ptychodes splendida [SYNONYM SPECIES 2296:78NKT nidx=null parent=4QHY6]
 + Ptychodes splendida Diesing, 1863 [SYNONYM SPECIES 2298:85242 nidx=null parent=4QHY6]
Pugiodactylus
 - Pugiodactylus [ACCEPTED GENUS 2296:63R6S nidx=null]
 + Pugiodactylus Gutu, 1995 [ACCEPTED GENUS 2298:84RM5 nidx=null]
Pulcherella
 - Pulcherella [ACCEPTED GENUS 2296:75CM nidx=null]
 + Pulcherella Blazewicz-Paszkowycz, 2007 [ACCEPTED GENUS 2298:84RM6 nidx=null]
Pumilocytheridea
 - Pumilocytheridea [ACCEPTED GENUS 2296:75FF nidx=null]
 + Pumilocytheridea Bold, 1963 [ACCEPTED GENUS 2298:84RM8 nidx=null]
Puncia
 - Puncia [ACCEPTED GENUS 2296:75FX nidx=null]
 + Puncia Hornibrook, 1949 [ACCEPTED GENUS 2298:84RMB nidx=null]
Punciidae
 - Punciidae [ACCEPTED FAMILY 2296:FF4 nidx=null]
 + Punciidae Hornibrook, 1949 [ACCEPTED FAMILY 2298:84KDX nidx=null]
Puncioidea
 - Puncioidea [ACCEPTED SUPERFAMILY 2296:5LD nidx=null]
 + Puncioidea Hornibrook, 1949 [ACCEPTED SUPERFAMILY 2298:84JY9 nidx=null]
Punnettia
 - Punnettia [ACCEPTED GENUS 2296:63R6L nidx=null]
 + Punnettia Stiasny-Wijnhoff, 1926 [ACCEPTED GENUS 2298:84RMC nidx=null]
Puriana
 - Puriana [ACCEPTED GENUS 2296:75JJ nidx=null]
 + Puriana Coryell & Fields, 1953 [ACCEPTED GENUS 2298:84RMD nidx=null]
Puricythereis
 - Puricythereis [ACCEPTED GENUS 2296:75JL nidx=null]
 + Puricythereis Bonaduce, Masoli & Pugliese, 1976 [ACCEPTED GENUS 2298:84RMF nidx=null]
Pusillotrocha
 - Pusillotrocha [ACCEPTED GENUS 2296:75KV nidx=null]
 + Pusillotrocha Westheide & von Nordheim, 1985 [ACCEPTED GENUS 2298:84RMG nidx=null]
Pussella
 - Pussella [ACCEPTED GENUS 2296:75L3 nidx=null]
 + Pussella Danielopol in Maddocks, 1976 [ACCEPTED GENUS 2298:84RMH nidx=null]
Pussellidae
 - Pussellidae [ACCEPTED FAMILY 2296:FFC nidx=null]
 + Pussellidae Danielopol in Maddocks, 1976 [ACCEPTED FAMILY 2298:84KF2 nidx=null]
Pussylineus
 - Pussylineus [ACCEPTED GENUS 2296:75L4 nidx=null]
 + Pussylineus Corrêa, 1956 [ACCEPTED GENUS 2298:84RMJ nidx=null]
Pycnofragilia
 - Pycnofragilia [ACCEPTED GENUS 2296:75PG nidx=null]
 + Pycnofragilia Stock, 1974 [ACCEPTED GENUS 2298:84RMM nidx=null]
Pycnogonidae
 - Pycnogonidae [ACCEPTED FAMILY 2296:FFH nidx=null]
 + Pycnogonidae Wilson, 1878 [ACCEPTED FAMILY 2298:84KDY nidx=null]
Pycnogonoidea
 - Pycnogonoidea [ACCEPTED SUPERFAMILY 2296:5LG nidx=null]
 + Pycnogonoidea Pocock, 1904 [ACCEPTED SUPERFAMILY 2298:84JSM nidx=null]
Pycnogonum
 - Pycnogonum [ACCEPTED GENUS 2296:75PN nidx=null]
 + Pycnogonum Brünnich, 1764 [ACCEPTED GENUS 2298:84RMN nidx=null]
Pycnopallene
 - Pycnopallene [ACCEPTED GENUS 2296:75Q8 nidx=null]
 + Pycnopallene Stock, 1950 [ACCEPTED GENUS 2298:84RMP nidx=null]
Pycnosomia
 - Pycnosomia [ACCEPTED GENUS 2296:75RH nidx=null]
 + Pycnosomia Losina-Losinsky, 1961 [ACCEPTED GENUS 2298:84RMQ nidx=null]
Pycnothea
 - Pycnothea [ACCEPTED GENUS 2296:75RW nidx=null]
 + Pycnothea Loman, 1921 [ACCEPTED GENUS 2298:84RMR nidx=null]
Pygmaeodrilus
 - Pygmaeodrilus [ACCEPTED GENUS 2296:75TL nidx=null]
 + Pygmaeodrilus Michaelsen, 1890 [ACCEPTED GENUS 2298:84RMS nidx=null]
Pygocirrus
 - Pygocirrus [ACCEPTED GENUS 2296:642VW nidx=null]
 + Pygocirrus Vinther, Eibye-Jacobsen & Harper, 2011 [ACCEPTED GENUS 2298:84RMV nidx=null]
Pygophyllum
 - Pygophyllum [ACCEPTED GENUS 2296:63R7X nidx=null]
 + Pygophyllum Schmarda, 1861 [ACCEPTED GENUS 2298:84RMW nidx=null]
Pygospio
 - Pygospio [ACCEPTED GENUS 2296:75VK nidx=null]
 + Pygospio Claparède, 1863 [ACCEPTED GENUS 2298:84RMX nidx=null]
Pygospiopsis
 - Pygospiopsis [ACCEPTED GENUS 2296:75VL nidx=null]
 + Pygospiopsis Blake, 1983 [ACCEPTED GENUS 2298:84RMY nidx=null]
Pyloderma
 - Pyloderma [ACCEPTED GENUS 2296:75WD nidx=null]
 + Pyloderma Kirkpatrick, 1907 [ACCEPTED GENUS 2298:84RMZ nidx=null]
Pyrgopolon
 - Pyrgopolon [ACCEPTED GENUS 2296:762X nidx=null]
 + Pyrgopolon de Montfort, 1808 [ACCEPTED GENUS 2298:84RN3 nidx=null]
Pyrgus lineolatus
 - Pyrgus lineolatus Picard, 1948 [SYNONYM SPECIES 2296:6WQD4 nidx=null parent=6WQCT]
 + Pyrgus lineolatus Picard, 1948 [SYNONYM SPECIES 2298:85245 nidx=null parent=6WQCT]
Pyrogorgia
 - Pyrogorgia [ACCEPTED GENUS 2296:7655 nidx=null]
 + Pyrogorgia Cairns & Bayer, 2009 [ACCEPTED GENUS 2298:84RN5 nidx=null]
Quadracythere
 - Quadracythere [ACCEPTED GENUS 2296:76BB nidx=null]
 + Quadracythere Hornibrook, 1952 [ACCEPTED GENUS 2298:84RN6 nidx=null]
Quasibradleya
 - Quasibradleya [ACCEPTED GENUS 2296:642GR nidx=null]
 + Quasibradleya Benson, 1972 [ACCEPTED GENUS 2298:84RN7 nidx=null]
Quasibuntonia
 - Quasibuntonia [ACCEPTED GENUS 2296:63QGQ nidx=null]
 + Quasibuntonia Ruggieri, 1958 [ACCEPTED GENUS 2298:84RN8 nidx=null]
Quasilineus
 - Quasilineus [ACCEPTED GENUS 2296:642FR nidx=null]
 + Quasilineus Gibson, 1981 [ACCEPTED GENUS 2298:84RN9 nidx=null]
Quasillina
 - Quasillina [ACCEPTED GENUS 2296:642G3 nidx=null]
 + Quasillina Norman, 1869 [ACCEPTED GENUS 2298:84RNB nidx=null]
Quasillina ricardi
 - Quasillina ricardi Topsent, 1913 [SYNONYM SPECIES 2296:4R26X nidx=null parent=4R26Y]
 + Quasillina ricardi [SYNONYM SPECIES 2298:85248 nidx=null parent=4R26Y]
Quasitetrastemma
 - Quasitetrastemma [ACCEPTED GENUS 2296:76FC nidx=null]
 + Quasitetrastemma Chernyshev, 2004 [ACCEPTED GENUS 2298:84RND nidx=null]
Quasiutolineides
 - Quasiutolineides [ACCEPTED GENUS 2296:76FF nidx=null]
 + Quasiutolineides Senz, 2001 [ACCEPTED GENUS 2298:84RNF nidx=null]
Quequenia
 - Quequenia [ACCEPTED GENUS 2296:76HD nidx=null]
 + Quequenia Moretto, 1974 [ACCEPTED GENUS 2298:84RNG nidx=null]
Questa
 - Questa [ACCEPTED GENUS 2296:76HY nidx=null]
 + Questa Hartman, 1966 [ACCEPTED GENUS 2298:84RNH nidx=null]
Queubus
 - Queubus [ACCEPTED GENUS 2296:76J9 nidx=null]
 + Queubus Barnard, 1946 [ACCEPTED GENUS 2298:84RNJ nidx=null]
Quistadrilus
 - Quistadrilus [ACCEPTED GENUS 2296:76L9 nidx=null]
 + Quistadrilus Brinkhurst, 1981 [ACCEPTED GENUS 2298:84RNM nidx=null]
Quoyianemertes
 - Quoyianemertes [ACCEPTED GENUS 2296:76LR nidx=null]
 + Quoyianemertes Senz, 2001 [ACCEPTED GENUS 2298:84RNS nidx=null]
Rabilimis
 - Rabilimis [ACCEPTED GENUS 2296:76MJ nidx=null]
 + Rabilimis Hazel, 1967 [ACCEPTED GENUS 2298:84RNN nidx=null]
Racekiela
 - Racekiela [ACCEPTED GENUS 2296:76MT nidx=null]
 + Racekiela Bass & Volkmer-Ribeiro, 1998 [ACCEPTED GENUS 2298:84RNP nidx=null]
Racodiscula
 - Racodiscula [ACCEPTED GENUS 2296:76P9 nidx=null]
 + Racodiscula Zittel, 1878 [ACCEPTED GENUS 2298:84RNQ nidx=null]
Racodiscula clava
 - Racodiscula clava [ACCEPTED SPECIES 2296:4R8LG nidx=null]
 + Racodiscula clava Schmidt, 1879 [SYNONYM SPECIES 2298:85249 nidx=null parent=85DDL]
Radicipes
 - Radicipes [ACCEPTED GENUS 2296:76QS nidx=null]
 + Radicipes Stearns, 1883 [ACCEPTED GENUS 2298:84RNT nidx=null]
Radiella
 - Radiella [ACCEPTED GENUS 2296:76QW nidx=null]
 + Radiella Schmidt, 1870 [ACCEPTED GENUS 2298:84RNV nidx=null]
Radiella sol pacifica
 - Radiella sol pacifica (Koltun, 1966) [SYNONYM SUBSPECIES 2296:5KTWY nidx=null parent=4LB2Z]
 + Radiella sol pacifica (Koltun, 1966) [SYNONYM SUBSPECIES 2298:852RV nidx=null parent=85T6G]
Radimella
 - Radimella [ACCEPTED GENUS 2296:76R3 nidx=null]
 + Radimella Pokorny, 1969 [ACCEPTED GENUS 2298:84RNW nidx=null]
Radiospongilla
 - Radiospongilla [ACCEPTED GENUS 2296:76RZ nidx=null]
 + Radiospongilla Penney & Racek, 1968 [ACCEPTED GENUS 2298:84RNX nidx=null]
Raficiba
 - Raficiba [ACCEPTED GENUS 2296:76TP nidx=null]
 + Raficiba Fitzhugh, 2001 [ACCEPTED GENUS 2298:84RP2 nidx=null]
Ramesses
 - Ramesses [ACCEPTED GENUS 2296:76XG nidx=null]
 + Ramesses Schram, 1979 [ACCEPTED GENUS 2298:84RP6 nidx=null]
Ramex
 - Ramex [ACCEPTED GENUS 2296:76XH nidx=null]
 + Ramex Hartman, 1944 [ACCEPTED GENUS 2298:84RP7 nidx=null]
Ramisyllis
 - Ramisyllis [ACCEPTED GENUS 2296:76Y7 nidx=null]
 + Ramisyllis Glasby, Schroeder & Aguado, 2012 [ACCEPTED GENUS 2298:84RP8 nidx=null]
Ramosiseta
 - Ramosiseta [ACCEPTED GENUS 2296:76YY nidx=null]
 + Ramosiseta Gutu, 2008 [ACCEPTED GENUS 2298:84RP9 nidx=null]
Ramphogordius
 - Ramphogordius [ACCEPTED GENUS 2296:76ZF nidx=null]
 + Ramphogordius Rathke, 1843 [ACCEPTED GENUS 2298:84RPB nidx=null]
Randidrilus
 - Randidrilus [ACCEPTED GENUS 2296:7733 nidx=null]
 + Randidrilus Coates & Erséus, 1985 [ACCEPTED GENUS 2298:84RPD nidx=null]
Randiella
 - Randiella [ACCEPTED GENUS 2296:7734 nidx=null]
 + Randiella Erséus & Strehlow, 1986 [ACCEPTED GENUS 2298:84RPF nidx=null]
Randiellidae
 - Randiellidae [ACCEPTED FAMILY 2296:FJJ nidx=null]
 + Randiellidae Erséus & Strehlow, 1986 [ACCEPTED FAMILY 2298:84KF3 nidx=null]
Ranunculus gmelini
 - Ranunculus gmelini Schltdl. [SYNONYM SPECIES 2296:4RGF8 nidx=null parent=6X4PK]
 + Ranunculus gmelini Schltdl. [SYNONYM SPECIES 2298:84K7T nidx=null parent=6X4PK]
Raphidrilus
 - Raphidrilus [ACCEPTED GENUS 2296:776B nidx=null]
 + Raphidrilus Monticelli, 1910 [ACCEPTED GENUS 2298:84RPH nidx=null]
Raphiodesma radiosa
 - Raphiodesma radiosa Bowerbank, 1876 [SYNONYM SPECIES 2296:4RKJS nidx=null parent=44S7Q]
 + Raphiodesma radiosa Bowerbank, 1876 [SYNONYM SPECIES 2298:8524F nidx=null parent=44S29]
Raricirrus
 - Raricirrus [ACCEPTED GENUS 2296:777Z nidx=null]
 + Raricirrus Hartman, 1961 [ACCEPTED GENUS 2298:84RPJ nidx=null]
Rashgua
 - Rashgua [ACCEPTED GENUS 2296:778H nidx=null]
 + Rashgua Wesenberg-Lund, 1949 [ACCEPTED GENUS 2298:84RPK nidx=null]
Raspaciona
 - Raspaciona [ACCEPTED GENUS 2296:778S nidx=null]
 + Raspaciona Topsent, 1936 [ACCEPTED GENUS 2298:84RPL nidx=null]
Raspailia
 - Raspailia [ACCEPTED GENUS 2296:778T nidx=null]
 - Raspailia [ACCEPTED SUBGENUS 2296:642JN nidx=null]
 + Raspailia Nardo, 1833 [ACCEPTED GENUS 2298:84RPM nidx=null]
Raspailia (Hymeraphiopsis) irregularis
 - Raspailia (Hymeraphiopsis) irregularis Hentschel, 1914 [ACCEPTED SPECIES 2296:4RLLL nidx=null]
 + Raspailia (Hymeraphiopsis) irregularis Hentschel, 1914 [SYNONYM SPECIES 2298:8524G nidx=null parent=85T6Q]
Raspailia (Parasyringella) australiensis
 - Raspailia (Parasyringella) australiensis Ridley, 1884 [ACCEPTED SPECIES 2296:4RLLP nidx=null]
 + Raspailia (Parasyringella) australiensis Ridley, 1884 [SYNONYM SPECIES 2298:8524H nidx=null parent=858CJ]
Raspailia (Raspailia) johnhooperi
 - Raspailia (Raspailia) johnhooperi Van Soest, 2017 [ACCEPTED SPECIES 2296:4RLM8 nidx=null]
 + Raspailia (Raspailia) johnhooperi Van Soest, 2017 [SYNONYM SPECIES 2298:8524J nidx=null parent=39QNM]
Raspailia (Syringella) australiensis
 - Raspailia (Syringella) australiensis Ridley, 1884 [SYNONYM SPECIES 2296:4RLNC nidx=null parent=4RLLP]
 + Raspailia (Syringella) australiensis Ridley, 1884 [SYNONYM SPECIES 2298:8524K nidx=null parent=858CJ]
Raspailia australiensis
 - Raspailia australiensis Ridley, 1884 [SYNONYM SPECIES 2296:4RLNW nidx=null parent=4RLLP]
 + Raspailia australiensis Ridley, 1884 [SYNONYM SPECIES 2298:84YJH nidx=null parent=858CJ]
Raspailia irregularis
 - Raspailia irregularis Hentschel, 1914 [SYNONYM SPECIES 2296:4RLPZ nidx=null parent=4RLLL]
 + Raspailia irregularis Hentschel, 1914 [AMBIGUOUS_SYNONYM SPECIES 2298:84YJJ nidx=null parent=85T6Q]
Raspailia rigida
 - Raspailia rigida (Montagu, 1814) [AMBIGUOUS_SYNONYM SPECIES 2296:4RLQR nidx=null parent=4ZS6G]
 + Raspailia rigida (Montagu, 1814) [AMBIGUOUS_SYNONYM SPECIES 2298:8524L nidx=null parent=85T92]
Raspailiidae
 - Raspailiidae [ACCEPTED FAMILY 2296:FKB nidx=null]
 + Raspailiidae Nardo, 1833 [ACCEPTED FAMILY 2298:84KF4 nidx=null]
Raygibsonia
 - Raygibsonia [ACCEPTED GENUS 2296:77C7 nidx=null]
 + Raygibsonia Sundberg et al., 2009 [ACCEPTED GENUS 2298:84RPP nidx=null]
Rectobuntonia
 - Rectobuntonia [ACCEPTED GENUS 2296:642L6 nidx=null]
 + Rectobuntonia Sissingh, 1972 [ACCEPTED GENUS 2298:84RPR nidx=null]
Rectotrachyleberis
 - Rectotrachyleberis [ACCEPTED GENUS 2296:77FD nidx=null]
 + Rectotrachyleberis Ruggieri, 1952 [ACCEPTED GENUS 2298:84RPS nidx=null]
Redekea
 - Redekea [ACCEPTED GENUS 2296:77G2 nidx=null]
 + Redekea De Vos, 1953 [ACCEPTED GENUS 2298:84RPT nidx=null]
Regadrella
 - Regadrella [ACCEPTED GENUS 2296:77HF nidx=null]
 + Regadrella Schmidt, 1880 [ACCEPTED GENUS 2298:84RPV nidx=null]
Reidispongia
 - Reidispongia [ACCEPTED GENUS 2296:77KW nidx=null]
 + Reidispongia Lévi & Lévi, 1988 [ACCEPTED GENUS 2298:84RPX nidx=null]
Remexudes
 - Remexudes [ACCEPTED GENUS 2296:77NS nidx=null]
 + Remexudes Błażewicz-Paszkowycz & Bamber, 2007 [ACCEPTED GENUS 2298:84RQ3 nidx=null]
Renaudcypris
 - Renaudcypris [ACCEPTED GENUS 2296:77PY nidx=null]
 + Renaudcypris McKenzie, 1980 [ACCEPTED GENUS 2298:84RQ6 nidx=null]
Reniera folium
 - Reniera folium Lundbeck, 1902 [SYNONYM SPECIES 2296:4RS3X nidx=null parent=3JCK2]
 + Reniera folium Lundbeck, 1902 [SYNONYM SPECIES 2298:8524M nidx=null parent=85SXH]
Reniera foraminosa
 - Reniera foraminosa Thiele, 1905 [SYNONYM SPECIES 2296:4RS3Y nidx=null parent=3JCK4]
 - Reniera foraminosa Topsent, 1904 [SYNONYM SPECIES 2296:4RS3Z nidx=null parent=3JC8T]
 + Reniera foraminosa Topsent, 1904 [AMBIGUOUS_SYNONYM SPECIES 2298:8524N nidx=null parent=85SVL]
 + Reniera foraminosa Thiele, 1905 [AMBIGUOUS_SYNONYM SPECIES 2298:8524P nidx=null parent=85SXC]
Reniera glacialis
 - Reniera glacialis Hentschel, 1916 [SYNONYM SPECIES 2296:4RS47 nidx=null parent=3JCKH]
 + Reniera glacialis Hentschel, 1916 [SYNONYM SPECIES 2298:8524Q nidx=null parent=85SWX]
Reniera mollis
 - Reniera mollis Baer, 1906 [SYNONYM SPECIES 2296:4RS5B nidx=null parent=3JCMR]
 + Reniera mollis Baer, 1906 [AMBIGUOUS_SYNONYM SPECIES 2298:84YJM nidx=null parent=85SX5]
Reniera scyphonoides
 - Reniera scyphonoides Ridley, 1884 [SYNONYM SPECIES 2296:4RS6Z nidx=null parent=3JCQW]
 + Reniera scyphonoides [SYNONYM SPECIES 2298:8524R nidx=null parent=84Y84]
Reniera spinosella
 - Reniera spinosella Row, 1911 [SYNONYM SPECIES 2296:6X4N8 nidx=null parent=3JCRH]
 + Reniera spinosella Row, 1911 [AMBIGUOUS_SYNONYM SPECIES 2298:8524S nidx=null parent=85SX8]
Renilla
 - Renilla [ACCEPTED GENUS 2296:77QQ nidx=null]
 + Renilla Lamarck, 1816 [ACCEPTED GENUS 2298:84RPZ nidx=null]
Renillidae
 - Renillidae [ACCEPTED FAMILY 2296:FLD nidx=null]
 + Renillidae Gray, 1870 [ACCEPTED FAMILY 2298:84KF5 nidx=null]
Reniochalina
 - Reniochalina [ACCEPTED GENUS 2296:642LL nidx=null]
 + Reniochalina Lendenfeld, 1888 [ACCEPTED GENUS 2298:84RQ2 nidx=null]
Repandocosta
 - Repandocosta [ACCEPTED GENUS 2296:77RQ nidx=null]
 + Repandocosta Hazel, 1967 [ACCEPTED GENUS 2298:84RQF nidx=null]
Reseda phiteuma
 - Reseda phiteuma Neck. [SYNONYM SPECIES 2296:4RSXT nidx=null parent=5KVKM]
 + Reseda phiteuma Neck. [SYNONYM SPECIES 2298:84YJN nidx=null parent=5KVKM]
Reteterebella
 - Reteterebella [ACCEPTED GENUS 2296:642LW nidx=null]
 + Reteterebella Hartman, 1963 [ACCEPTED GENUS 2298:84RQK nidx=null]
Retibythere
 - Retibythere [ACCEPTED GENUS 2296:63QKW nidx=null]
 + Retibythere Schornikov, 1981 [ACCEPTED GENUS 2298:84RQL nidx=null]
Reticypris
 - Reticypris [ACCEPTED GENUS 2296:77VW nidx=null]
 + Reticypris McKenzie, 1978 [ACCEPTED GENUS 2298:84RQM nidx=null]
Reussicythere
 - Reussicythere [ACCEPTED GENUS 2296:77Y7 nidx=null]
 + Reussicythere Bold, 1966 [ACCEPTED GENUS 2298:84RQN nidx=null]
Reymentia
 - Reymentia [ACCEPTED GENUS 2296:77Z5 nidx=null]
 + Reymentia Omatsola, 1970 [ACCEPTED GENUS 2298:84RQP nidx=null]
Rezinkovia
 - Rezinkovia [ACCEPTED GENUS 2296:77ZL nidx=null]
 + Rezinkovia Efremova, 2004 [ACCEPTED GENUS 2298:84RQR nidx=null]
Rhabdastrella
 - Rhabdastrella [ACCEPTED GENUS 2296:642ML nidx=null]
 + Rhabdastrella Thiele, 1903 [ACCEPTED GENUS 2298:84RQ9 nidx=null]
Rhabderemia
 - Rhabderemia [ACCEPTED GENUS 2296:77ZW nidx=null]
 + Rhabderemia Topsent, 1890 [ACCEPTED GENUS 2298:84RQB nidx=null]
Rhabderemiidae
 - Rhabderemiidae [ACCEPTED FAMILY 2296:FM7 nidx=null]
 + Rhabderemiidae Topsent, 1928 [ACCEPTED FAMILY 2298:84KF6 nidx=null]
Rhabdeurypon
 - Rhabdeurypon [ACCEPTED GENUS 2296:77ZX nidx=null]
 + Rhabdeurypon Vacelet, 1969 [ACCEPTED GENUS 2298:84RQC nidx=null]
Rhabdobaris
 - Rhabdobaris [ACCEPTED GENUS 2296:7827 nidx=null]
 + Rhabdobaris Pulitzer-Finali, 1983 [ACCEPTED GENUS 2298:84RQS nidx=null]
Rhabdocalyptus
 - Rhabdocalyptus [ACCEPTED GENUS 2296:782C nidx=null]
 + Rhabdocalyptus Schulze, 1886 [ACCEPTED GENUS 2298:84RQD nidx=null]
Rhabdodictyum
 - Rhabdodictyum [ACCEPTED GENUS 2296:7832 nidx=null]
 + Rhabdodictyum Schmidt, 1880 [ACCEPTED GENUS 2298:84RQG nidx=null]
Rhabdopectella
 - Rhabdopectella [ACCEPTED GENUS 2296:7843 nidx=null]
 + Rhabdopectella Schmidt, 1880 [ACCEPTED GENUS 2298:84RQH nidx=null]
Rhabdophyllia
 - Rhabdophyllia [ACCEPTED GENUS 2296:63QMP nidx=null]
 + Rhabdophyllia Milne Edwards & Haime, 1851 [ACCEPTED GENUS 2298:84RQX nidx=null]
Rhabdoplectella tintinnus
 - Rhabdoplectella tintinnus (Schmidt, 1880) [SYNONYM SPECIES 2296:4RW6Q nidx=null parent=4RW3G]
 + Rhabdoplectella tintinnus [SYNONYM SPECIES 2298:8524T nidx=null parent=4RW3G]
Rhamphegenys
 - Rhamphegenys [ACCEPTED GENUS 2296:78CH nidx=null]
 + Rhamphegenys Charletta & Boyer, 1974 [ACCEPTED GENUS 2298:84RR2 nidx=null]
Rhamphispio
 - Rhamphispio [ACCEPTED GENUS 2296:78CZ nidx=null]
 + Rhamphispio Blake & Maciolek, 2018 [ACCEPTED GENUS 2298:84RR3 nidx=null]
Rhamphobrachium
 - Rhamphobrachium [ACCEPTED GENUS 2296:78D3 nidx=null]
 + Rhamphobrachium Ehlers, 1887 [ACCEPTED GENUS 2298:84RQQ nidx=null]
Rhamphobrachium brevibranchiatum
 - Rhamphobrachium brevibranchiatum (Ehlers, 1875) [ACCEPTED SPECIES 2296:4S2M4 nidx=null]
 + Rhamphobrachium brevibranchiatum (Ehlers, 1875) [SYNONYM SPECIES 2298:8524W nidx=null parent=4S2LM]
Rhaphidhistia
 - Rhaphidhistia [ACCEPTED GENUS 2296:642NW nidx=null]
 + Rhaphidhistia Carter, 1879 [ACCEPTED GENUS 2298:84RQT nidx=null]
Rhaphidiophorus
 - Rhaphidiophorus [ACCEPTED GENUS 2296:642NV nidx=null]
 + Rhaphidiophorus Thompson, 1979 [ACCEPTED GENUS 2298:84RR5 nidx=null]
Rhaphidotheca arctica
 - Rhaphidotheca arctica Hentschel, 1929 [SYNONYM SPECIES 2296:4S4F9 nidx=null parent=44S24]
 + Rhaphidotheca arctica Hentschel, 1929 [SYNONYM SPECIES 2298:8524X nidx=null parent=85T43]
Rhaphiodesma floreum
 - Rhaphiodesma floreum (Bowerbank, 1866) [SYNONYM SPECIES 2296:4S4G4 nidx=null parent=44RVP]
 + Rhaphiodesma floreum [SYNONYM SPECIES 2298:8524Y nidx=null parent=44RVP]
Rhaphiodesma minima
 - Rhaphiodesma minima Waller, 1880 [SYNONYM SPECIES 2296:4S4G5 nidx=null parent=6RR3S]
 + Rhaphiodesma minima [SYNONYM SPECIES 2298:8524Z nidx=null parent=6RR3S]
Rhaphiodesma parishii
 - Rhaphiodesma parishii Bowerbank, 1875 [SYNONYM SPECIES 2296:4S4G6 nidx=null parent=6RR43]
 + Rhaphiodesma parishii [SYNONYM SPECIES 2298:85252 nidx=null parent=6RR43]
Rhaphiodesma similaris
 - Rhaphiodesma similaris (Bowerbank, 1874) [SYNONYM SPECIES 2296:4S4G7 nidx=null parent=44RWB]
 + Rhaphiodesma similaris [SYNONYM SPECIES 2298:85253 nidx=null parent=44RWB]
Rhaphiodesma sordida
 - Rhaphiodesma sordida Bowerbank, 1874 [SYNONYM SPECIES 2296:4S4G8 nidx=null parent=44RWB]
 + Rhaphiodesma sordida [SYNONYM SPECIES 2298:85254 nidx=null parent=44RWB]
Rhaphoxya
 - Rhaphoxya [ACCEPTED GENUS 2296:78FR nidx=null]
 + Rhaphoxya Hallmann, 1917 [ACCEPTED GENUS 2298:84RQW nidx=null]
Rheina
 - Rheina [ACCEPTED GENUS 2296:78H3 nidx=null]
 + Rheina Kornicker, 1989 [ACCEPTED GENUS 2298:84RR7 nidx=null]
Rhinothelepus
 - Rhinothelepus [ACCEPTED GENUS 2296:78TL nidx=null]
 + Rhinothelepus Hutchings, 1974 [ACCEPTED GENUS 2298:84RRK nidx=null]
Rhizangiidae
 - Rhizangiidae [ACCEPTED FAMILY 2296:FPJ nidx=null]
 + Rhizangiidae d'Orbigny, 1851 [ACCEPTED FAMILY 2298:84KF8 nidx=null]
Rhizaxinella
 - Rhizaxinella [ACCEPTED GENUS 2296:78WR nidx=null]
 + Rhizaxinella Keller, 1880 [ACCEPTED GENUS 2298:84RRB nidx=null]
Rhizaxinella ramulosa var. cylindrifera
 - Rhizaxinella ramulosa var. cylindrifera (Ridley & Dendy, 1886) [ACCEPTED VARIETY 2296:5R6LB nidx=null]
 + Rhizaxinella ramulosa var. cylindrifera (Ridley & Dendy, 1886) [SYNONYM VARIETY 2298:852VW nidx=null parent=796V5]
Rhizodrilus
 - Rhizodrilus [ACCEPTED GENUS 2296:78XR nidx=null]
 + Rhizodrilus Smith, 1900 [ACCEPTED GENUS 2298:84RRC nidx=null]
Rhizoniera pedunculata
 - Rhizoniera pedunculata Boury-Esnault, Pansini & Uriz, 1994 [SYNONYM SPECIES 2296:4SCSH nidx=null parent=6KXGJ]
 + Rhizoniera pedunculata Boury-Esnault, Pansini & Uriz, 1994 [SYNONYM SPECIES 2298:8525D nidx=null parent=85SWT]
Rhizopsammia
 - Rhizopsammia [ACCEPTED GENUS 2296:78ZD nidx=null]
 + Rhizopsammia Verrill, 1870 [ACCEPTED GENUS 2298:84RRD nidx=null]
Rhizosmilia
 - Rhizosmilia [ACCEPTED GENUS 2296:78ZL nidx=null]
 + Rhizosmilia Cairns, 1978 [ACCEPTED GENUS 2298:84RRF nidx=null]
Rhizostoma
 - Rhizostoma [ACCEPTED GENUS 2296:78ZS nidx=null]
 + Rhizostoma Cuvier, 1800 [ACCEPTED GENUS 2298:84M73 nidx=null]
Rhizostoma octopus
 - Rhizostoma octopus (Linnaeus, 1758) [ACCEPTED SPECIES 2296:4SDKR nidx=null]
 + Rhizostoma octopus (Gmelin, 1791) [ACCEPTED SPECIES 2298:84MDY nidx=null]
Rhizostomatidae
 - Rhizostomatidae [ACCEPTED FAMILY 2296:FPZ nidx=null]
 + Rhizostomatidae Cuvier, 1800 [ACCEPTED FAMILY 2298:84KF9 nidx=null]
Rhizostomeae
 - Rhizostomeae [ACCEPTED ORDER 2296:3YJ nidx=null]
 + Rhizostomeae Cuvier, 1800 [ACCEPTED ORDER 2298:84JQT nidx=null]
Rhizotrochus
 - Rhizotrochus [ACCEPTED GENUS 2296:78ZY nidx=null]
 + Rhizotrochus Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84RRG nidx=null]
Rhociobairdia
 - Rhociobairdia [ACCEPTED GENUS 2296:792B nidx=null]
 + Rhociobairdia Guan, 1978 [ACCEPTED GENUS 2298:84RRT nidx=null]
Rhodaniridogorgia
 - Rhodaniridogorgia [ACCEPTED GENUS 2296:792Y nidx=null]
 + Rhodaniridogorgia Watling, 2007 [ACCEPTED GENUS 2298:84RRV nidx=null]
Rhodelinda
 - Rhodelinda [ACCEPTED GENUS 2296:7939 nidx=null]
 + Rhodelinda Bayer, 1981 [ACCEPTED GENUS 2298:84RRX nidx=null]
Rhodine
 - Rhodine [ACCEPTED GENUS 2296:793P nidx=null]
 + Rhodine Malmgren, 1866 [ACCEPTED GENUS 2298:84RRH nidx=null]
Rhodopsis
 - Rhodopsis [ACCEPTED GENUS 2296:797S nidx=null]
 + Rhodopsis Bush, 1905 [ACCEPTED GENUS 2298:84RS5 nidx=null]
Rhombobythere
 - Rhombobythere [ACCEPTED GENUS 2296:642DK nidx=null]
 + Rhombobythere Schornikov, 1982 [ACCEPTED GENUS 2298:84RS7 nidx=null]
Rhombopsammia
 - Rhombopsammia [ACCEPTED GENUS 2296:63QD4 nidx=null]
 + Rhombopsammia Owens, 1986 [ACCEPTED GENUS 2298:84RRL nidx=null]
Rhopaloeides
 - Rhopaloeides [ACCEPTED GENUS 2296:79CN nidx=null]
 + Rhopaloeides Thompson, Murphy, Bergquist & Evans, 1987 [ACCEPTED GENUS 2298:84RRM nidx=null]
Rhopalonais
 - Rhopalonais [ACCEPTED GENUS 2296:79DC nidx=null]
 + Rhopalonais Dzwillo & R. Grimm, 1974 [ACCEPTED GENUS 2298:84RSH nidx=null]
Rhopalorhynchus
 - Rhopalorhynchus [ACCEPTED GENUS 2296:63QCW nidx=null]
 + Rhopalorhynchus Wood-Mason, 1873 [ACCEPTED GENUS 2298:84RRP nidx=null]
Rhopalosyllis
 - Rhopalosyllis [ACCEPTED GENUS 2296:642DS nidx=null]
 + Rhopalosyllis Augener, 1913 [ACCEPTED GENUS 2298:84RSL nidx=null]
Rhopaluridae
 - Rhopaluridae [ACCEPTED FAMILY 2296:FR5 nidx=null]
 + Rhopaluridae Stunkard, 1937 [ACCEPTED FAMILY 2298:84KFB nidx=null]
Rhopilema
 - Rhopilema [ACCEPTED GENUS 2296:63QFD nidx=null]
 + Rhopilema Haeckel, 1880 [ACCEPTED GENUS 2298:84M75 nidx=null]
Rhopilema asamushi
 - Rhopilema asamushi Uchida, 1927 [SYNONYM SPECIES 2296:4SMGR nidx=null parent=4SMGS]
 + Rhopilema asamushi Uchida, 1927 [ACCEPTED SPECIES 2298:84MF2 nidx=null]
Rhopilema hispidum
 - Rhopilema hispidum [ACCEPTED SPECIES 2296:4SMGT nidx=null]
 + Rhopilema hispidum (Vanhöffen, 1888) [ACCEPTED SPECIES 2298:84MF4 nidx=null]
Rhopilema rhopalophora
 - Rhopilema rhopalophora (Haeckel) [ACCEPTED SPECIES 2296:4SMGV nidx=null]
 + Rhopilema rhopalophora Haeckel, 1880 [SYNONYM SPECIES 2298:84MF5 nidx=null parent=4SMGW]
Rhopilema verrilli
 - Rhopilema verrilli [ACCEPTED SPECIES 2296:4SMGX nidx=null]
 + Rhopilema verrilli (Fewkes, 1887) [ACCEPTED SPECIES 2298:84MF7 nidx=null]
Rhus juglandifolium
 - Rhus juglandifolium Wall. ex D. Don [SYNONYM SPECIES 2296:4SN5B nidx=null parent=57LKB]
 + Rhus juglandifolium Wall. ex D. Don [SYNONYM SPECIES 2298:84YLS nidx=null parent=57LKB]
Rhyacodriloides
 - Rhyacodriloides [ACCEPTED GENUS 2296:79GQ nidx=null]
 + Rhyacodriloides Čekanovskaya, 1975 [ACCEPTED GENUS 2298:84RSN nidx=null]
Rhyacodrilus
 - Rhyacodrilus [ACCEPTED GENUS 2296:79GR nidx=null]
 + Rhyacodrilus Bretscher, 1901 [ACCEPTED GENUS 2298:84RRQ nidx=null]
Rhyacodrilus palustris
 - Rhyacodrilus palustris Ditlevsen, 1904 [SYNONYM SPECIES 2296:4SNKH nidx=null parent=6TQQX]
 + Rhyacodrilus palustris Ditlevsen, 1904 [ACCEPTED SPECIES 2298:8525G nidx=null]
Rhynchelmis
 - Rhynchelmis [ACCEPTED GENUS 2296:79HP nidx=null]
 + Rhynchelmis Hoffmeister, 1843 [ACCEPTED GENUS 2298:84RRR nidx=null]
Rhynchocorys strictus
 - Rhynchocorys strictus (C. Koch) Boiss. [ACCEPTED SPECIES 2296:4SRNV nidx=null]
 + Rhynchocorys strictus (C. Koch) Boiss. [ACCEPTED SPECIES 2298:84YLT nidx=null]
Rhynchonereella
 - Rhynchonereella [ACCEPTED GENUS 2296:79LR nidx=null]
 + Rhynchonereella Costa, 1864 [ACCEPTED GENUS 2298:84RRS nidx=null]
Rhynchospio
 - Rhynchospio [ACCEPTED GENUS 2296:79NK nidx=null]
 + Rhynchospio Hartman, 1936 [ACCEPTED GENUS 2298:84RRZ nidx=null]
Rhynchothoracidae
 - Rhynchothoracidae [ACCEPTED FAMILY 2296:FRP nidx=null]
 + Rhynchothoracidae Thompson, 1909 [ACCEPTED FAMILY 2298:84KFC nidx=null]
Rhynchothoracoidea
 - Rhynchothoracoidea [ACCEPTED SUPERFAMILY 2296:5M8 nidx=null]
 + Rhynchothoracoidea Fry, 1978 [ACCEPTED SUPERFAMILY 2298:84JSN nidx=null]
Rhynchothorax
 - Rhynchothorax [ACCEPTED GENUS 2296:79P9 nidx=null]
 + Rhynchothorax Costa, 1861 [ACCEPTED GENUS 2298:84RS2 nidx=null]
Richterina
 - Richterina [ACCEPTED GENUS 2296:79X6 nidx=null]
 + Richterina Guerich, 1896 [ACCEPTED GENUS 2298:84RSX nidx=null]
Ridgeia
 - Ridgeia [ACCEPTED GENUS 2296:63RYM nidx=null]
 + Ridgeia Jones, 1985 [ACCEPTED GENUS 2298:84RS8 nidx=null]
Ridleia
 - Ridleia [ACCEPTED GENUS 2296:79YF nidx=null]
 + Ridleia Dendy, 1888 [ACCEPTED GENUS 2298:84RS9 nidx=null]
Riftia
 - Riftia [ACCEPTED GENUS 2296:79ZL nidx=null]
 + Riftia Jones, 1981 [ACCEPTED GENUS 2298:84RSC nidx=null]
Righiella
 - Righiella [ACCEPTED GENUS 2296:79ZQ nidx=null]
 + Righiella Omodeo & Coates, 2001 [ACCEPTED GENUS 2298:84RSD nidx=null]
Riisea
 - Riisea [ACCEPTED GENUS 2296:643YP nidx=null]
 + Riisea Duchassaing & Michelotti, 1860 [ACCEPTED GENUS 2298:84RSJ nidx=null]
Rimacytheropteron
 - Rimacytheropteron [ACCEPTED GENUS 2296:63RZG nidx=null]
 + Rimacytheropteron Whatley & Coles, 1987 [ACCEPTED GENUS 2298:84RSY nidx=null]
Ripistes
 - Ripistes [ACCEPTED GENUS 2296:63RR6 nidx=null]
 + Ripistes Dujardin, 1842 [ACCEPTED GENUS 2298:84RSP nidx=null]
Riserius
 - Riserius [ACCEPTED GENUS 2296:643R8 nidx=null]
 + Riserius Norenburg, 1993 [ACCEPTED GENUS 2298:84RT2 nidx=null]
Robertianella
 - Robertianella [ACCEPTED GENUS 2296:643RT nidx=null]
 + Robertianella McIntosh, 1885 [ACCEPTED GENUS 2298:84RSQ nidx=null]
Robertsonites
 - Robertsonites [ACCEPTED GENUS 2296:64444 nidx=null]
 + Robertsonites Swain, 1963 [ACCEPTED GENUS 2298:84RSR nidx=null]
Robustaurila
 - Robustaurila [ACCEPTED GENUS 2296:643RC nidx=null]
 + Robustaurila Yajima, 1982 [ACCEPTED GENUS 2298:84RSS nidx=null]
Robustoargilloecia
 - Robustoargilloecia [ACCEPTED GENUS 2296:63RRF nidx=null]
 + Robustoargilloecia Hartmann, 1986 [ACCEPTED GENUS 2298:84RT4 nidx=null]
Robustochelia
 - Robustochelia [ACCEPTED GENUS 2296:6443F nidx=null]
 + Robustochelia Kudinova-Pasternak, 1983 [ACCEPTED GENUS 2298:84RSV nidx=null]
Rolandia
 - Rolandia [ACCEPTED GENUS 2296:63RTP nidx=null]
 + Rolandia de Lacaze-Duthiers, 1900 [ACCEPTED GENUS 2298:84P52 nidx=null]
Rollinschaeta
 - Rollinschaeta [ACCEPTED GENUS 2296:63S5T nidx=null]
 + Rollinschaeta Parry, Wilson, Sykes, Edgecombe & Vinther, 2015 [ACCEPTED GENUS 2298:84RTB nidx=null]
Romanchella
 - Romanchella [ACCEPTED GENUS 2296:6445V nidx=null]
 + Romanchella Caullery & Mesnil, 1897 [ACCEPTED GENUS 2298:84RTD nidx=null]
Ronabus
 - Ronabus [ACCEPTED GENUS 2296:643TF nidx=null]
 + Ronabus Stępień, Drumm & Heard, 2018 [ACCEPTED GENUS 2298:84RTF nidx=null]
Rosaliella
 - Rosaliella [ACCEPTED GENUS 2296:63S6K nidx=null]
 + Rosaliella Yasuhara, Sztybor, Rasmussen, Okahashi, Sato & Tanaka, 2018 [ACCEPTED GENUS 2298:84RTG nidx=null]
Rosgorgia
 - Rosgorgia [ACCEPTED GENUS 2296:63S7W nidx=null]
 + Rosgorgia Lopez Gonzalez & Gili, 2001 [ACCEPTED GENUS 2298:84RTH nidx=null]
Rossella
 - Rossella [ACCEPTED GENUS 2296:63RVB nidx=null]
 + Rossella Carter, 1872 [ACCEPTED GENUS 2298:84RTC nidx=null]
Rossella racovitzae minuta
 - Rossella racovitzae minuta Schulze & Kirkpatrick, 1910 [SYNONYM SUBSPECIES 2296:5KY43 nidx=null parent=5R8XJ]
 + Rossella racovitzae minuta Schulze & Kirkpatrick, 1910 [SYNONYM SUBSPECIES 2298:852RW nidx=null parent=85TCJ]
Rossellidae
 - Rossellidae [ACCEPTED FAMILY 2296:FTP nidx=null]
 + Rossellidae Schulze, 1885 [ACCEPTED FAMILY 2298:84KFD nidx=null]
Rossidrilus
 - Rossidrilus [ACCEPTED GENUS 2296:643VD nidx=null]
 + Rossidrilus Erséus & Rota, 1996 [ACCEPTED GENUS 2298:84RTK nidx=null]
Rostrocythere
 - Rostrocythere [ACCEPTED GENUS 2296:643VP nidx=null]
 + Rostrocythere Schornikov, 1981 [ACCEPTED GENUS 2298:84RTM nidx=null]
Rotularia
 - Rotularia [ACCEPTED GENUS 2296:63S8H nidx=null]
 + Rotularia Defrance, 1827 [ACCEPTED GENUS 2298:84P56 nidx=null]
Rotulispira
 - Rotulispira [ACCEPTED GENUS 2296:643WH nidx=null]
 + Rotulispira Chiplonkar & Tapaswi, 1973 [ACCEPTED GENUS 2298:84RTP nidx=null]
Rotuloplocamia
 - Rotuloplocamia [ACCEPTED GENUS 2296:63RWK nidx=null]
 + Rotuloplocamia Lévi, 1952 [ACCEPTED GENUS 2298:84RTL nidx=null]
Rotundoecia
 - Rotundoecia [ACCEPTED GENUS 2296:63RWL nidx=null]
 + Rotundoecia Chavtur & Angel, 2011 [ACCEPTED GENUS 2298:84RTQ nidx=null]
Rotundracythere
 - Rotundracythere [ACCEPTED GENUS 2296:63S8N nidx=null]
 + Rotundracythere Mandelstam, 1958 [ACCEPTED GENUS 2298:84RTR nidx=null]
Roundstonia
 - Roundstonia [ACCEPTED GENUS 2296:63RY4 nidx=null]
 + Roundstonia Neale, 1973 [ACCEPTED GENUS 2298:84RTN nidx=null]
Rourea chrysomalla
 - Rourea chrysomalla Glaz. ex Schellenb. [ACCEPTED SPECIES 2296:4TH74 nidx=null]
 + Rourea chrysomalla Glaz. ex Schellenb. [ACCEPTED SPECIES 2298:84YM9 nidx=null]
Rubifabriciola
 - Rubifabriciola [ACCEPTED GENUS 2296:6449P nidx=null]
 + Rubifabriciola Huang, Fitzhugh & Rouse, 2011 [ACCEPTED GENUS 2298:84RTS nidx=null]
Ruedemannella
 - Ruedemannella [ACCEPTED GENUS 2296:643J7 nidx=null]
 + Ruedemannella Wang, 1983 [ACCEPTED GENUS 2298:84RTV nidx=null]
Ruggieria (Keijella) bisanensis
 - Ruggieria (Keijella) bisanensis (Okubo, 1975) [SYNONYM SPECIES 2296:4TNTM nidx=null parent=3R4JY]
 + Ruggieria (Keijella) bisanensis (Okubo, 1975) [SYNONYM SPECIES 2298:8525L nidx=null parent=84W6S]
Ruggiericythere
 - Ruggiericythere [ACCEPTED GENUS 2296:7B2J nidx=null]
 + Ruggiericythere Aiello, Coimbra & Barra, 2004 [ACCEPTED GENUS 2298:84RTY nidx=null]
Ruggieriella
 - Ruggieriella [ACCEPTED GENUS 2296:7B2K nidx=null]
 + Ruggieriella Colalongo & Pasini, 1980 [ACCEPTED GENUS 2298:84RTZ nidx=null]
Rugocythereis
 - Rugocythereis [ACCEPTED GENUS 2296:7B2Z nidx=null]
 + Rugocythereis Dingle, Lord & Boomer, 1990 [ACCEPTED GENUS 2298:84RTT nidx=null]
Rugosidoloria
 - Rugosidoloria [ACCEPTED GENUS 2296:7B3H nidx=null]
 + Rugosidoloria Kornicker, 1975 [ACCEPTED GENUS 2298:84RV3 nidx=null]
Rullieriella
 - Rullieriella [ACCEPTED GENUS 2296:7B4G nidx=null]
 + Rullieriella Pettibone, 1993 [ACCEPTED GENUS 2298:84RV4 nidx=null]
Rullierinereis
 - Rullierinereis [ACCEPTED GENUS 2296:7B4H nidx=null]
 + Rullierinereis Pettibone, 1971 [ACCEPTED GENUS 2298:84RTW nidx=null]
Rumphella
 - Rumphella [ACCEPTED GENUS 2296:7B53 nidx=null]
 + Rumphella Bayer, 1955 [ACCEPTED GENUS 2298:84RV9 nidx=null]
Rushtonia
 - Rushtonia [ACCEPTED GENUS 2296:643L3 nidx=null]
 + Rushtonia Qian & Ding in Ding & Qian, 1988 [ACCEPTED GENUS 2298:84RVF nidx=null]
Russellhanleya
 - Russellhanleya [ACCEPTED GENUS 2296:7B7N nidx=null]
 + Russellhanleya Barnich, Sun & Fiege, 2004 [ACCEPTED GENUS 2298:84RVG nidx=null]
Rutellifrons
 - Rutellifrons [ACCEPTED GENUS 2296:7B8B nidx=null]
 + Rutellifrons Thompson, 1979 [ACCEPTED GENUS 2298:84RVJ nidx=null]
Rutiderma
 - Rutiderma [ACCEPTED SUBGENUS 2296:7B8Z nidx=null]
 - Rutiderma [ACCEPTED GENUS 2296:7B92 nidx=null]
 + Rutiderma Brady & Norman, 1896 [ACCEPTED GENUS 2298:84RV2 nidx=null]
Rutidermatidae
 - Rutidermatidae [ACCEPTED FAMILY 2296:62795 nidx=null]
 + Rutidermatidae Brady & Norman, 1896 [ACCEPTED FAMILY 2298:84KFF nidx=null]
Ruxingella
 - Ruxingella [ACCEPTED GENUS 2296:7B9T nidx=null]
 + Ruxingella Stiller, 2000 [ACCEPTED GENUS 2298:84RVP nidx=null]
Ryocypris
 - Ryocypris [ACCEPTED GENUS 2296:643KD nidx=null]
 + Ryocypris Klie, 1935 [ACCEPTED GENUS 2298:84RVQ nidx=null]
Rytocephalus
 - Rytocephalus [ACCEPTED GENUS 2296:643LN nidx=null]
 + Rytocephalus Quatrefages, 1866 [ACCEPTED GENUS 2298:84RVR nidx=null]
Sabaco
 - Sabaco [ACCEPTED GENUS 2296:7BC9 nidx=null]
 + Sabaco Kinberg, 1866 [ACCEPTED GENUS 2298:84RVS nidx=null]
Sabella
 - Sabella [ACCEPTED GENUS 2296:7BDH nidx=null]
 + Sabella Linnaeus, 1767 [ACCEPTED GENUS 2298:84RV5 nidx=null]
Sabella candela
 - Sabella candela Grube, 1863 [SYNONYM SPECIES 2296:78Z55 nidx=null parent=6NCZ2]
 + Sabella candela Grube, 1863 [SYNONYM SPECIES 2298:8525P nidx=null parent=5Z98T]
Sabella chrysodon
 - Sabella chrysodon Linnaeus, 1767 [SYNONYM SPECIES 2296:6WZ54 nidx=null parent=75VKL]
 + Sabella chrysodon Linnaeus, 1767 [SYNONYM SPECIES 2298:8525Q nidx=null parent=85DN6]
Sabella foliifera
 - Sabella foliifera Kinberg, 1866 [SYNONYM SPECIES 2296:6WZ4W nidx=null parent=N6Q7]
 + Sabella foliifera Kinberg, 1866 [SYNONYM SPECIES 2298:8525R nidx=null parent=N6Q7]
Sabella indica
 - Sabella indica Gmelin in Linnaeus, 1788 [SYNONYM SPECIES 2296:78Z2Y nidx=null parent=75VKL]
 + Sabella indica Gmelin in Linnaeus, 1788 [AMBIGUOUS_SYNONYM SPECIES 2298:8525S nidx=null parent=85DN6]
Sabella longa
 - Sabella longa Kinberg, 1866 [SYNONYM SPECIES 2296:78Z3D nidx=null parent=4TV77]
 + Sabella longa Kinberg, 1866 [SYNONYM SPECIES 2298:8525T nidx=null parent=85FBC]
Sabella pottaei
 - Sabella pottaei Quatrefages, 1866 [ACCEPTED SPECIES 2296:4TV2J nidx=null]
 + Sabella pottaei Quatrefages, 1866 [SYNONYM SPECIES 2298:8525V nidx=null parent=8525Z]
Sabella samoensis
 - Sabella samoensis Grube, 1870 [ACCEPTED SPECIES 2296:4TV33 nidx=null]
 + Sabella samoensis Grube, 1870 [SYNONYM SPECIES 2298:8525W nidx=null parent=85FCP]
Sabella secusolutus
 - Sabella secusolutus Hoagland, 1920 [SYNONYM SPECIES 2296:78Z3N nidx=null parent=LWZ3]
 + Sabella secusolutus Hoagland, 1920 [SYNONYM SPECIES 2298:8525X nidx=null parent=LWZ3]
Sabellaria
 - Sabellaria [ACCEPTED GENUS 2296:7BDK nidx=null]
 + Sabellaria Lamarck, 1818 [ACCEPTED GENUS 2298:84RV6 nidx=null]
Sabellaria (Phragmatopoma) moerchi
 - Sabellaria (Phragmatopoma) moerchi (Kinberg, 1866) [SYNONYM SPECIES 2296:4TV4W nidx=null parent=4GTTN]
 + Sabellaria (Phragmatopoma) moerchi (Kinberg, 1866) [SYNONYM SPECIES 2298:8525Y nidx=null parent=84ZQD]
Sabellariidae
 - Sabellariidae [ACCEPTED FAMILY 2296:FV3 nidx=null]
 + Sabellariidae Johnston, 1865 [ACCEPTED FAMILY 2298:84KFG nidx=null]
Sabellastarte
 - Sabellastarte [ACCEPTED GENUS 2296:7BDL nidx=null]
 + Sabellastarte Krøyer, 1856 [ACCEPTED GENUS 2298:84RV7 nidx=null]
Sabellastarte assimilis
 - Sabellastarte assimilis (McIntosh, 1885) [ACCEPTED SPECIES 2296:4TV6Z nidx=null]
 + Sabellastarte assimilis (McIntosh, 1885) [SYNONYM SPECIES 2298:84YL4 nidx=null parent=4F635]
Sabellastarte longa
 - Sabellastarte longa (Kinberg, 1866) [ACCEPTED SPECIES 2296:4TV77 nidx=null]
 + Sabellastarte longa (Kinberg, 1866) [SYNONYM SPECIES 2298:84YL5 nidx=null parent=85FBC]
Sabellida
 - Sabellida [ACCEPTED ORDER 2296:3ZH nidx=null]
 + Sabellida Levinsen, 1883 [ACCEPTED ORDER 2298:84JQV nidx=null]
Sabellidae
 - Sabellidae [ACCEPTED FAMILY 2296:FV4 nidx=null]
 + Sabellidae Latreille, 1825 [ACCEPTED FAMILY 2298:84KFH nidx=null]
Sabellides elongatus
 - Sabellides elongatus Ehlers, 1913 [SYNONYM SPECIES 2296:4TV7N nidx=null parent=CYQB]
 + Sabellides elongatus Ehlers, 1913 [SYNONYM SPECIES 2298:85262 nidx=null parent=84XQP]
Sabellomma
 - Sabellomma [ACCEPTED GENUS 2296:7BDP nidx=null]
 + Sabellomma Nogueira, Fitzhugh & Rossi, 2010 [ACCEPTED GENUS 2298:84RVT nidx=null]
Sabellonga
 - Sabellonga [ACCEPTED GENUS 2296:7BDQ nidx=null]
 + Sabellonga Hartman, 1969 [ACCEPTED GENUS 2298:84RVV nidx=null]
Sabidius
 - Sabidius [ACCEPTED GENUS 2296:7BDY nidx=null]
 + Sabidius Strelzov, 1973 [ACCEPTED GENUS 2298:84RVB nidx=null]
Saccocirridae
 - Saccocirridae [ACCEPTED FAMILY 2296:FVK nidx=null]
 + Saccocirridae Bobretzky, 1872 [ACCEPTED FAMILY 2298:84KFJ nidx=null]
Saccocirrus
 - Saccocirrus [ACCEPTED GENUS 2296:7BG9 nidx=null]
 + Saccocirrus Bobretzky, 1872 [ACCEPTED GENUS 2298:84RVD nidx=null]
Saccocirrus alanhongi
 - Saccocirrus alanhongi Bailey-Brock, Dreyer & Brock, 2003 [ACCEPTED SPECIES 2296:4TWY2 nidx=null]
 + Saccocirrus alanhongi Bailey-Brock, Dreyer & Brock, 2003 [SYNONYM SPECIES 2298:85263 nidx=null parent=85F6D]
Saccocirrus archboldi
 - Saccocirrus archboldi Kirsteuer, 1967 [ACCEPTED SPECIES 2296:4TWY3 nidx=null]
 + Saccocirrus archboldi Kirsteuer, 1967 [SYNONYM SPECIES 2298:85264 nidx=null parent=85F6F]
Saccocirrus burchelli
 - Saccocirrus burchelli Silberbauer, 1969 [ACCEPTED SPECIES 2296:4TWY4 nidx=null]
 + Saccocirrus burchelli Silberbauer, 1969 [SYNONYM SPECIES 2298:85265 nidx=null parent=85F6G]
Saccocirrus eroticus
 - Saccocirrus eroticus Gray, 1969 [ACCEPTED SPECIES 2296:4TWY6 nidx=null]
 + Saccocirrus eroticus Gray, 1969 [SYNONYM SPECIES 2298:84YLF nidx=null parent=85F6H]
Saccocirrus gabriellae
 - Saccocirrus gabriellae Marcus, 1946 [ACCEPTED SPECIES 2296:4TWY7 nidx=null]
 + Saccocirrus gabriellae Marcus, 1946 [SYNONYM SPECIES 2298:85266 nidx=null parent=85F6J]
Saccocirrus goodrichi
 - Saccocirrus goodrichi Jouin-Toulmond & Gambi, 2007 [ACCEPTED SPECIES 2296:4TWY8 nidx=null]
 + Saccocirrus goodrichi Jouin-Toulmond & Gambi, 2007 [SYNONYM SPECIES 2298:85267 nidx=null parent=85F6K]
Saccocirrus jouinae
 - Saccocirrus jouinae Brown, 1981 [ACCEPTED SPECIES 2296:6WYJZ nidx=null]
 + Saccocirrus jouinae Brown, 1981 [SYNONYM SPECIES 2298:85268 nidx=null parent=85F6L]
Saccocirrus krusadensis
 - Saccocirrus krusadensis Alikuhni, 1948 [ACCEPTED SPECIES 2296:4TWYB nidx=null]
 + Saccocirrus krusadensis Alikuhni, 1948 [SYNONYM SPECIES 2298:85269 nidx=null parent=85F6M]
Saccocirrus labilis
 - Saccocirrus labilis Yamanishi, 1973 [ACCEPTED SPECIES 2296:4TWYC nidx=null]
 + Saccocirrus labilis Yamanishi, 1973 [SYNONYM SPECIES 2298:8526B nidx=null parent=85F6N]
Saccocirrus sonomacus
 - Saccocirrus sonomacus Martin, 1977 [ACCEPTED SPECIES 2296:4TWYL nidx=null]
 + Saccocirrus sonomacus Martin, 1977 [SYNONYM SPECIES 2298:8526C nidx=null parent=85F6P]
Saccocirrus tridentiger
 - Saccocirrus tridentiger Brown, 1981 [ACCEPTED SPECIES 2296:4TWYM nidx=null]
 + Saccocirrus tridentiger Brown, 1981 [SYNONYM SPECIES 2298:8526D nidx=null parent=85F6Q]
Saccocirrus uchidai
 - Saccocirrus uchidai Sasaki, 1981 [ACCEPTED SPECIES 2296:4TWYN nidx=null]
 + Saccocirrus uchidai Sasaki, 1981 [SYNONYM SPECIES 2298:8526F nidx=null parent=85F6R]
Sacconemertella
 - Sacconemertella [ACCEPTED GENUS 2296:7BGX nidx=null]
 + Sacconemertella Iwata, 1970 [ACCEPTED GENUS 2298:84RVX nidx=null]
Sacconemertes
 - Sacconemertes [ACCEPTED GENUS 2296:7BGY nidx=null]
 + Sacconemertes Karling, 1933 [ACCEPTED GENUS 2298:84RVY nidx=null]
Sacconemertopsis
 - Sacconemertopsis [ACCEPTED GENUS 2296:7BGZ nidx=null]
 + Sacconemertopsis Iwata, 1970 [ACCEPTED GENUS 2298:84RVZ nidx=null]
Saenuris umbellifera
 - Saenuris umbellifera Michaelsen, 1901 [SYNONYM SPECIES 2296:4TXPW nidx=null parent=4ND3T]
 + Saenuris umbellifera Kessler, 1868 [SYNONYM SPECIES 2298:8526G nidx=null parent=4ND3T]
Safaritanais
 - Safaritanais [ACCEPTED GENUS 2296:7BKZ nidx=null]
 + Safaritanais Kudinova-Pasternak, 1987 [ACCEPTED GENUS 2298:84RW3 nidx=null]
Safropallene
 - Safropallene [ACCEPTED GENUS 2296:7BL8 nidx=null]
 + Safropallene Arnaud & Child, 1988 [ACCEPTED GENUS 2298:84RVK nidx=null]
Sagaminemertes
 - Sagaminemertes [ACCEPTED GENUS 2296:7BLH nidx=null]
 + Sagaminemertes Friedrich, 1968 [ACCEPTED GENUS 2298:84RW5 nidx=null]
Sagitella
 - Sagitella [ACCEPTED GENUS 2296:7BN5 nidx=null]
 + Sagitella Wagner, 1872 [ACCEPTED GENUS 2298:84RVL nidx=null]
Sagmatocythere
 - Sagmatocythere [ACCEPTED GENUS 2296:7BNP nidx=null]
 + Sagmatocythere Athersuch, 1976 [ACCEPTED GENUS 2298:84RVN nidx=null]
Sahnicythere
 - Sahnicythere [ACCEPTED GENUS 2296:7BPP nidx=null]
 + Sahnicythere Athersuch, 1982 [ACCEPTED GENUS 2298:84RW6 nidx=null]
Saida
 - Saida [ACCEPTED GENUS 2296:7BPY nidx=null]
 + Saida Hornibrook, 1952 [ACCEPTED GENUS 2298:84RW7 nidx=null]
Saididae
 - Saididae [ACCEPTED FAMILY 2296:FW4 nidx=null]
 + Saididae Aranki, McKenzie, Reyment & Reyment, 1992 [ACCEPTED FAMILY 2298:84KFK nidx=null]
Saipanetta
 - Saipanetta [ACCEPTED GENUS 2296:643MP nidx=null]
 + Saipanetta McKenzie, 1968 [ACCEPTED GENUS 2298:84RVW nidx=null]
Saipanettidae
 - Saipanettidae [ACCEPTED FAMILY 2296:FW5 nidx=null]
 + Saipanettidae McKenzie, 1968 [ACCEPTED FAMILY 2298:84KFL nidx=null]
Salacia macrophyllus
 - Salacia macrophyllus Pierre [SYNONYM SPECIES 2296:7WV3B nidx=null parent=6WZFT]
 + Salacia macrophyllus Pierre [SYNONYM SPECIES 2298:84YNN nidx=null parent=6WZFT]
Salemia
 - Salemia [ACCEPTED GENUS 2296:7BTZ nidx=null]
 + Salemia Lang, 1971 [ACCEPTED GENUS 2298:84RW4 nidx=null]
Salix ×  subsericea
 - Salix ×  subsericea Döll [ACCEPTED SPECIES 2296:6XDB9 nidx=null]
 + Salix ×  subsericea Döll [ACCEPTED SPECIES 2298:84KHL nidx=null]
Salmacina
 - Salmacina [ACCEPTED GENUS 2296:7BWH nidx=null]
 + Salmacina Claparède, 1870 [ACCEPTED GENUS 2298:84RW8 nidx=null]
Salmacinoidea
 - Salmacinoidea [ACCEPTED GENUS 2296:7BWJ nidx=null]
 + Salmacinoidea Katto, 1977 [ACCEPTED GENUS 2298:84RWC nidx=null]
Salpichroa ramosissimum
 - Salpichroa ramosissimum (Miers) Dunal [SYNONYM SPECIES 2296:6XDYN nidx=null parent=79DYN]
 + Salpichroa ramosissimum (Miers) Dunal [SYNONYM SPECIES 2298:84YP5 nidx=null parent=79DYN]
Saltipedis
 - Saltipedis [ACCEPTED GENUS 2296:7BZ9 nidx=null]
 + Saltipedis Gutu, 1995 [ACCEPTED GENUS 2298:84RW9 nidx=null]
Salvatoria
 - Salvatoria [ACCEPTED GENUS 2296:7C22 nidx=null]
 + Salvatoria McIntosh, 1885 [ACCEPTED GENUS 2298:84RWD nidx=null]
Samidae
 - Samidae [ACCEPTED FAMILY 2296:FX6 nidx=null]
 + Samidae Sollas, 1888 [ACCEPTED FAMILY 2298:84KFM nidx=null]
Samus
 - Samus [ACCEPTED GENUS 2296:7C4L nidx=null]
 + Samus Gray, 1867 [ACCEPTED GENUS 2298:84RWG nidx=null]
Samytha
 - Samytha [ACCEPTED GENUS 2296:7C4N nidx=null]
 + Samytha Malmgren, 1866 [ACCEPTED GENUS 2298:84RWH nidx=null]
Samythella
 - Samythella [ACCEPTED GENUS 2296:7C4P nidx=null]
 + Samythella Verrill, 1873 [ACCEPTED GENUS 2298:84RWJ nidx=null]
Samythopsis
 - Samythopsis [ACCEPTED GENUS 2296:7C4Q nidx=null]
 + Samythopsis McIntosh, 1885 [ACCEPTED GENUS 2298:84RWK nidx=null]
Sanbongicola
 - Sanbongicola [ACCEPTED GENUS 2296:7C53 nidx=null]
 + Sanbongicola Hatai & Masuda, 1973 [ACCEPTED GENUS 2298:84RWL nidx=null]
Sandalolitha
 - Sandalolitha [ACCEPTED GENUS 2296:7C5K nidx=null]
 + Sandalolitha Quelch, 1884 [ACCEPTED GENUS 2298:84RWM nidx=null]
Sanderia
 - Sanderia [ACCEPTED GENUS 2296:7C67 nidx=null]
 + Sanderia Goette, 1886 [ACCEPTED GENUS 2298:84M77 nidx=null]
Sangiria
 - Sangiria [ACCEPTED GENUS 2296:63RMX nidx=null]
 + Sangiria Horst, 1911 [ACCEPTED GENUS 2298:84RWN nidx=null]
Sanidastra
 - Sanidastra [ACCEPTED GENUS 2296:643MX nidx=null]
 + Sanidastra Volkmer-Ribeiro & Watanabe, 1983 [ACCEPTED GENUS 2298:84RWP nidx=null]
Sanjuannemertes
 - Sanjuannemertes [ACCEPTED GENUS 2296:7C7Z nidx=null]
 + Sanjuannemertes Iwata, 2006 [ACCEPTED GENUS 2298:84RWQ nidx=null]
Sansibia
 - Sansibia [ACCEPTED GENUS 2296:7C8M nidx=null]
 + Sansibia Alderslade, 2000 [ACCEPTED GENUS 2298:84RWR nidx=null]
Santelma
 - Santelma [ACCEPTED GENUS 2296:7C95 nidx=null]
 + Santelma Blake, 1993 [ACCEPTED GENUS 2298:84RWS nidx=null]
Sarcodictyon
 - Sarcodictyon [ACCEPTED GENUS 2296:63RQ6 nidx=null]
 + Sarcodictyon Forbes (in Johnston) , 1847 [ACCEPTED GENUS 2298:84RX3 nidx=null]
Sarcomella
 - Sarcomella [ACCEPTED GENUS 2296:7CFK nidx=null]
 + Sarcomella Schmidt, 1868 [ACCEPTED GENUS 2298:84RX4 nidx=null]
Sarcoptilus
 - Sarcoptilus [ACCEPTED GENUS 2296:7CGN nidx=null]
 + Sarcoptilus Gray, 1848 [ACCEPTED GENUS 2298:84RX8 nidx=null]
Sarcothelia
 - Sarcothelia [ACCEPTED GENUS 2296:7CH9 nidx=null]
 + Sarcothelia Verrill, 1928 [ACCEPTED GENUS 2298:84RX9 nidx=null]
Sarcotragus
 - Sarcotragus [ACCEPTED GENUS 2296:7CHC nidx=null]
 + Sarcotragus Schmidt, 1862 [ACCEPTED GENUS 2298:84RWT nidx=null]
Sarcotragus coreanus
 - Sarcotragus coreanus (Sim & Lee, 2002) [ACCEPTED SPECIES 2296:6XMXF nidx=null]
 + Sarcotragus coreanus (Sim & Lee, 2002) [SYNONYM SPECIES 2298:8526S nidx=null parent=68K3V]
Sarostegia
 - Sarostegia [ACCEPTED GENUS 2296:7CLF nidx=null]
 + Sarostegia Topsent, 1904 [ACCEPTED GENUS 2298:84RWV nidx=null]
Sarscypridopsis
 - Sarscypridopsis [ACCEPTED GENUS 2296:7CM9 nidx=null]
 + Sarscypridopsis McKenzie, 1977 [ACCEPTED GENUS 2298:84RWX nidx=null]
Sarsicytheridea
 - Sarsicytheridea [ACCEPTED GENUS 2296:7CMD nidx=null]
 + Sarsicytheridea Athersuch, 1982 [ACCEPTED GENUS 2298:84RWY nidx=null]
Sarsiella
 - Sarsiella [ACCEPTED GENUS 2296:643PD nidx=null]
 + Sarsiella Norman, 1869 [ACCEPTED GENUS 2298:84RWZ nidx=null]
Sarsiellidae
 - Sarsiellidae [ACCEPTED FAMILY 2296:FYV nidx=null]
 + Sarsiellidae Brady & Norman, 1896 [ACCEPTED FAMILY 2298:84KFN nidx=null]
Sarsielloidea
 - Sarsielloidea [ACCEPTED SUPERFAMILY 2296:5MS nidx=null]
 + Sarsielloidea Brady & Norman, 1896 [ACCEPTED SUPERFAMILY 2298:84JSP nidx=null]
Sarsocythere
 - Sarsocythere [ACCEPTED GENUS 2296:7CML nidx=null]
 + Sarsocythere Tressler & Smith, 1948 [ACCEPTED GENUS 2298:84RX2 nidx=null]
Satellitenemertes
 - Satellitenemertes [ACCEPTED GENUS 2296:7CPG nidx=null]
 + Satellitenemertes Iwata, 2006 [ACCEPTED GENUS 2298:84RXF nidx=null]
Saturnospongilla
 - Saturnospongilla [ACCEPTED GENUS 2296:7CR2 nidx=null]
 + Saturnospongilla Volkmer-Ribeiro, 1976 [ACCEPTED GENUS 2298:84RX7 nidx=null]
Saurotipleona
 - Saurotipleona [ACCEPTED GENUS 2296:7CTB nidx=null]
 + Saurotipleona Bird, 2015 [ACCEPTED GENUS 2298:84RXH nidx=null]
Saxifraga hieracifolia
 - Saxifraga hieracifolia Porter [SYNONYM SPECIES 2296:6XQSW nidx=null parent=73FW4]
 + Saxifraga hieracifolia Porter [SYNONYM SPECIES 2298:84KJF nidx=null parent=73FW4]
Scalarispongia
 - Scalarispongia [ACCEPTED GENUS 2296:7CXQ nidx=null]
 + Scalarispongia Cook & Bergquist, 2000 [ACCEPTED GENUS 2298:84RXB nidx=null]
Scalibregma
 - Scalibregma [ACCEPTED GENUS 2296:7CY3 nidx=null]
 + Scalibregma Rathke, 1843 [ACCEPTED GENUS 2298:84RXC nidx=null]
Scalibregmatidae
 - Scalibregmatidae [ACCEPTED FAMILY 2296:FZG nidx=null]
 + Scalibregmatidae Malmgren, 1867 [ACCEPTED FAMILY 2298:84KFP nidx=null]
Scalibregmella
 - Scalibregmella [ACCEPTED GENUS 2296:7CY4 nidx=null]
 + Scalibregmella Hartman & Fauchald, 1971 [ACCEPTED GENUS 2298:84RXJ nidx=null]
Scalibregmides
 - Scalibregmides [ACCEPTED GENUS 2296:7CY5 nidx=null]
 + Scalibregmides Hartmann-Schröder, 1965 [ACCEPTED GENUS 2298:84RXK nidx=null]
Scalisetosus
 - Scalisetosus [ACCEPTED GENUS 2296:7CYG nidx=null]
 + Scalisetosus McIntosh, 1885 [ACCEPTED GENUS 2298:84RXD nidx=null]
Scapophyllia
 - Scapophyllia [ACCEPTED GENUS 2296:7D4V nidx=null]
 + Scapophyllia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84RXG nidx=null]
Sceptrella
 - Sceptrella [ACCEPTED GENUS 2296:63RC8 nidx=null]
 + Sceptrella Schmidt, 1870 [ACCEPTED GENUS 2298:84RXM nidx=null]
Sceptrintus
 - Sceptrintus [ACCEPTED GENUS 2296:63RBZ nidx=null]
 + Sceptrintus Topsent, 1898 [ACCEPTED GENUS 2298:84RXS nidx=null]
Sceptrulophora
 - Sceptrulophora [ACCEPTED ORDER 2296:427 nidx=null]
 + Sceptrulophora Mehl, 1992 [ACCEPTED ORDER 2298:84JWL nidx=null]
Schaudinnia
 - Schaudinnia [ACCEPTED GENUS 2296:7DBN nidx=null]
 + Schaudinnia Schulze, 1900 [ACCEPTED GENUS 2298:84RXP nidx=null]
Schedopontocypris
 - Schedopontocypris [ACCEPTED GENUS 2296:7DCH nidx=null]
 + Schedopontocypris Maddocks, 1969 [ACCEPTED GENUS 2298:84RXT nidx=null]
Schistomeringos
 - Schistomeringos [ACCEPTED GENUS 2296:7DH2 nidx=null]
 + Schistomeringos Jumars, 1974 [ACCEPTED GENUS 2298:84RXW nidx=null]
Schizobranchia
 - Schizobranchia [ACCEPTED GENUS 2296:7DKC nidx=null]
 + Schizobranchia Bush, 1905 [ACCEPTED GENUS 2298:84RXY nidx=null]
Schizoculina
 - Schizoculina [ACCEPTED GENUS 2296:7DLD nidx=null]
 + Schizoculina Wells, 1937 [ACCEPTED GENUS 2298:84RXZ nidx=null]
Schizocyathidae
 - Schizocyathidae [ACCEPTED FAMILY 2296:G2T nidx=null]
 + Schizocyathidae Stolarski, 2000 [ACCEPTED FAMILY 2298:84KFQ nidx=null]
Schizocyathus
 - Schizocyathus [ACCEPTED GENUS 2296:7DLF nidx=null]
 + Schizocyathus Pourtalès, 1874 [ACCEPTED GENUS 2298:84RY2 nidx=null]
Schizocythere
 - Schizocythere [ACCEPTED GENUS 2296:7DLJ nidx=null]
 + Schizocythere Triebel, 1950 [ACCEPTED GENUS 2298:84RY3 nidx=null]
Schizocytheridae
 - Schizocytheridae [ACCEPTED FAMILY 2296:G2V nidx=null]
 + Schizocytheridae Howe, 1961 [ACCEPTED FAMILY 2298:84KFR nidx=null]
Schizodrilus
 - Schizodrilus [ACCEPTED GENUS 2296:7DLV nidx=null]
 + Schizodrilus Stout, 1958 [ACCEPTED GENUS 2298:84RY4 nidx=null]
Schornikovoecia
 - Schornikovoecia [ACCEPTED GENUS 2296:643GG nidx=null]
 + Schornikovoecia Chavtur in Chavtur & Bashmanov, 2018 [ACCEPTED GENUS 2298:84RYF nidx=null]
Schulmania
 - Schulmania [ACCEPTED GENUS 2296:7DX8 nidx=null]
 + Schulmania Kovaljova, Zubchenko & Krasin, 1983 [ACCEPTED GENUS 2298:84RYJ nidx=null]
Schulzeviella
 - Schulzeviella [ACCEPTED GENUS 2296:7DXN nidx=null]
 + Schulzeviella Tabachnick, 1990 [ACCEPTED GENUS 2298:84RYD nidx=null]
Schweinfurthia apterum
 - Schweinfurthia apterum Vatke [SYNONYM SPECIES 2296:6Y8K9 nidx=null parent=4VGGZ]
 + Schweinfurthia apterum Vatke [SYNONYM SPECIES 2298:84YPZ nidx=null parent=4VGGZ]
Scionella
 - Scionella [ACCEPTED GENUS 2296:63RH3 nidx=null]
 + Scionella Moore, 1903 [ACCEPTED GENUS 2298:84RYG nidx=null]
Scionides
 - Scionides [ACCEPTED GENUS 2296:643GR nidx=null]
 + Scionides Chamberlin, 1919 [ACCEPTED GENUS 2298:84RYH nidx=null]
Sciotoprion
 - Sciotoprion [ACCEPTED GENUS 2296:643H9 nidx=null]
 + Sciotoprion Boyer, 1975 [ACCEPTED GENUS 2298:84RZ4 nidx=null]
Scipiolus
 - Scipiolus [ACCEPTED GENUS 2296:63TBB nidx=null]
 + Scipiolus Loman, 1908 [ACCEPTED GENUS 2298:84RYK nidx=null]
Scleracis
 - Scleracis [ACCEPTED GENUS 2296:63TC3 nidx=null]
 + Scleracis Kükenthal, 1919 [ACCEPTED GENUS 2298:84RYL nidx=null]
Scleraner
 - Scleraner [ACCEPTED GENUS 2296:645BR nidx=null]
 + Scleraner Kornicker, 1975 [ACCEPTED GENUS 2298:84RZ8 nidx=null]
Scleranthelia
 - Scleranthelia [ACCEPTED GENUS 2296:63TBQ nidx=null]
 + Scleranthelia Studer, 1878 [ACCEPTED GENUS 2298:84RZ9 nidx=null]
Sclerhelia
 - Sclerhelia [ACCEPTED GENUS 2296:63TBS nidx=null]
 + Sclerhelia Milne Edwards & Haime, 1850 [ACCEPTED GENUS 2298:84RYM nidx=null]
Sclerisis
 - Sclerisis [ACCEPTED GENUS 2296:645BS nidx=null]
 + Sclerisis Studer, 1878 [ACCEPTED GENUS 2298:84RZB nidx=null]
Scleritoderma
 - Scleritoderma [ACCEPTED GENUS 2296:645C4 nidx=null]
 + Scleritoderma Schmidt, 1879 [ACCEPTED GENUS 2298:84RYN nidx=null]
Scleritodermidae
 - Scleritodermidae [ACCEPTED FAMILY 2296:G4C nidx=null]
 + Scleritodermidae Sollas, 1888 [ACCEPTED FAMILY 2298:84KFS nidx=null]
Sclerobelemnon
 - Sclerobelemnon [ACCEPTED GENUS 2296:645BV nidx=null]
 + Sclerobelemnon Kölliker, 1872 [ACCEPTED GENUS 2298:84RYP nidx=null]
Sclerobregma
 - Sclerobregma [ACCEPTED GENUS 2296:645C6 nidx=null]
 + Sclerobregma Hartman, 1965 [ACCEPTED GENUS 2298:84RYQ nidx=null]
Sclerocheilus
 - Sclerocheilus [ACCEPTED GENUS 2296:645C8 nidx=null]
 + Sclerocheilus Grube, 1863 [ACCEPTED GENUS 2298:84RYR nidx=null]
Sclerochilus
 - Sclerochilus [ACCEPTED GENUS 2296:63TBZ nidx=null]
 + Sclerochilus Sars, 1866 [ACCEPTED GENUS 2298:84RYS nidx=null]
Scleroconcha
 - Scleroconcha [ACCEPTED GENUS 2296:645DH nidx=null]
 + Scleroconcha Skogsberg, 1920 [ACCEPTED GENUS 2298:84RYT nidx=null]
Sclerolinum
 - Sclerolinum [ACCEPTED GENUS 2296:645CV nidx=null]
 + Sclerolinum Southward, 1961 [ACCEPTED GENUS 2298:84RYV nidx=null]
Scleronephthya
 - Scleronephthya [ACCEPTED GENUS 2296:63SSM nidx=null]
 + Scleronephthya Studer, 1887 [ACCEPTED GENUS 2298:84RZH nidx=null]
Sclerophyllia
 - Sclerophyllia [ACCEPTED GENUS 2296:644SQ nidx=null]
 + Sclerophyllia Klunzinger, 1879 [ACCEPTED GENUS 2298:84RZJ nidx=null]
Scleroplegma
 - Scleroplegma [ACCEPTED GENUS 2296:63T55 nidx=null]
 + Scleroplegma Schmidt, 1880 [ACCEPTED GENUS 2298:84RYW nidx=null]
Scleroptilidae
 - Scleroptilidae [ACCEPTED FAMILY 2296:G4P nidx=null]
 + Scleroptilidae Jungersen, 1904 [ACCEPTED FAMILY 2298:84KFT nidx=null]
Scleroptilum
 - Scleroptilum [ACCEPTED GENUS 2296:64554 nidx=null]
 + Scleroptilum Kölliker, 1880 [ACCEPTED GENUS 2298:84RYY nidx=null]
Sclerothamnopsis
 - Sclerothamnopsis [ACCEPTED GENUS 2296:63SSW nidx=null]
 + Sclerothamnopsis Wilson, 1904 [ACCEPTED GENUS 2298:84RYZ nidx=null]
Sclerothamnus
 - Sclerothamnus [ACCEPTED GENUS 2296:63ST8 nidx=null]
 + Sclerothamnus Marshall, 1875 [ACCEPTED GENUS 2298:84RZ2 nidx=null]
Scolaricia capensis
 - Scolaricia capensis Day, 1961 [ACCEPTED SPECIES 2296:4VR5H nidx=null]
 + Scolaricia capensis Day, 1961 [SYNONYM SPECIES 2298:84YMR nidx=null parent=84YN2]
Scolaricia haasi
 - Scolaricia haasi Monro, 1937 [ACCEPTED SPECIES 2296:4VR5K nidx=null]
 + Scolaricia haasi Monro, 1937 [SYNONYM SPECIES 2298:8526Y nidx=null parent=85FDF]
Scoleciellus
 - Scoleciellus [ACCEPTED GENUS 2296:644SH nidx=null]
 + Scoleciellus Liu, 1986 [ACCEPTED GENUS 2298:84RZN nidx=null]
Scolecolepides
 - Scolecolepides [ACCEPTED GENUS 2296:6454K nidx=null]
 + Scolecolepides Ehlers, 1907 [ACCEPTED GENUS 2298:84RZ5 nidx=null]
Scolelepis
 - Scolelepis [ACCEPTED GENUS 2296:63T64 nidx=null]
 - Scolelepis [ACCEPTED SUBGENUS 2296:644TS nidx=null]
 + Scolelepis Blainville, 1828 [ACCEPTED GENUS 2298:84RZ6 nidx=null]
Scolelepis blakei
 - Scolelepis blakei Carrasco, 1981 [ACCEPTED SPECIES 2296:4VRNN nidx=null]
 + Scolelepis blakei Carrasco, 1981 [SYNONYM SPECIES 2298:8526Z nidx=null parent=4VRM4]
Scolelepis towra
 - Scolelepis towra Blake & Kudenov, 1978 [ACCEPTED SPECIES 2296:4VRPY nidx=null]
 + Scolelepis towra Blake & Kudenov, 1978 [SYNONYM SPECIES 2298:85272 nidx=null parent=4VRMB]
Scoletoma
 - Scoletoma [ACCEPTED GENUS 2296:63STR nidx=null]
 + Scoletoma Blainville, 1828 [ACCEPTED GENUS 2298:84RZ7 nidx=null]
Scoletoma impatiens
 - Scoletoma impatiens (Claparède, 1868) [ACCEPTED SPECIES 2296:4VRQW nidx=null]
 + Scoletoma impatiens (Claparède, 1868) [SYNONYM SPECIES 2298:84YMW nidx=null parent=85TL6]
Scolopes
 - Scolopes [ACCEPTED GENUS 2296:6455F nidx=null]
 + Scolopes Sollas, 1888 [ACCEPTED GENUS 2298:84RZC nidx=null]
Scoloplella
 - Scoloplella [ACCEPTED GENUS 2296:63STK nidx=null]
 + Scoloplella Day, 1963 [ACCEPTED GENUS 2298:84RZD nidx=null]
Scoloplos
 - Scoloplos [ACCEPTED GENUS 2296:63T5K nidx=null]
 + Scoloplos Blainville, 1828 [ACCEPTED GENUS 2298:84RZF nidx=null]
Scoloplos (Leodamas) chevalieri
 - Scoloplos (Leodamas) chevalieri (Fauvel, 1902) [ACCEPTED SPECIES 2296:4VSJM nidx=null]
 + Scoloplos (Leodamas) chevalieri (Fauvel, 1902) [SYNONYM SPECIES 2298:85273 nidx=null parent=85DW3]
Scoloplos (Leodamas) dendrobranchus
 - Scoloplos (Leodamas) dendrobranchus Hartman, 1957 [ACCEPTED SPECIES 2296:4VSJP nidx=null]
 + Scoloplos (Leodamas) dendrobranchus Hartman, 1957 [SYNONYM SPECIES 2298:85274 nidx=null parent=3T6BC]
Scoloplos (Leodamas) dendrocirris
 - Scoloplos (Leodamas) dendrocirris Day, 1977 [ACCEPTED SPECIES 2296:4VSJQ nidx=null]
 + Scoloplos (Leodamas) dendrocirris Day, 1977 [SYNONYM SPECIES 2298:85275 nidx=null parent=85DW4]
Scoloplos (Leodamas) fimbriatus
 - Scoloplos (Leodamas) fimbriatus Hartman, 1957 [ACCEPTED SPECIES 2296:4VSJR nidx=null]
 + Scoloplos (Leodamas) fimbriatus Hartman, 1957 [SYNONYM SPECIES 2298:85276 nidx=null parent=85DW5]
Scoloplos (Leodamas) gracilis
 - Scoloplos (Leodamas) gracilis Pillai, 1961 [ACCEPTED SPECIES 2296:4VSJS nidx=null]
 + Scoloplos (Leodamas) gracilis Pillai, 1961 [SYNONYM SPECIES 2298:85277 nidx=null parent=85DW6]
Scoloplos (Leodamas) johnstonei
 - Scoloplos (Leodamas) johnstonei (Day, 1934) [ACCEPTED SPECIES 2296:4VSJT nidx=null]
 + Scoloplos (Leodamas) johnstonei Day, 1934 [SYNONYM SPECIES 2298:85278 nidx=null parent=85DW7]
Scoloplos (Leodamas) latum
 - Scoloplos (Leodamas) latum (Chamberlin, 1919) [ACCEPTED SPECIES 2296:6Y9J6 nidx=null]
 + Scoloplos (Leodamas) latum (Chamberlin, 1919) [SYNONYM SPECIES 2298:85279 nidx=null parent=85DW8]
Scoloplos (Leodamas) madagascariensis
 - Scoloplos (Leodamas) madagascariensis (Fauvel, 1919) [ACCEPTED SPECIES 2296:4VSJV nidx=null]
 + Scoloplos (Leodamas) madagascariensis Fauvel, 1919 [SYNONYM SPECIES 2298:8527B nidx=null parent=85DW9]
Scoloplos (Leodamas) mazatlanensis
 - Scoloplos (Leodamas) mazatlanensis Fauchald, 1972 [ACCEPTED SPECIES 2296:4VSJX nidx=null]
 + Scoloplos (Leodamas) mazatlanensis Fauchald, 1972 [SYNONYM SPECIES 2298:8527C nidx=null parent=85DWB]
Scoloplos (Leodamas) naumovi
 - Scoloplos (Leodamas) naumovi Averincev, 1982 [ACCEPTED SPECIES 2296:4VSJY nidx=null]
 + Scoloplos (Leodamas) naumovi Averincev, 1982 [SYNONYM SPECIES 2298:8527D nidx=null parent=3T6BH]
Scoloplos (Leodamas) rubra
 - Scoloplos (Leodamas) rubra (Webster, 1879) [ACCEPTED SPECIES 2296:4VSK3 nidx=null]
 + Scoloplos (Leodamas) rubra (Webster, 1879) [SYNONYM SPECIES 2298:8527F nidx=null parent=85DWD]
Scoloplos (Leodamas) rubra australiensis
 - Scoloplos (Leodamas) rubra australiensis Hartmann-Schröder, 1979 [SYNONYM SUBSPECIES 2296:5L3Z2 nidx=null parent=3T6BD]
 + Scoloplos (Leodamas) rubra australiensis Hartmann-Schröder, 1979 [SYNONYM SUBSPECIES 2298:852RX nidx=null parent=3T6BD]
Scoloplos (Leodamas) rubra orientalis
 - Scoloplos (Leodamas) rubra orientalis Gallardo, 1968 [ACCEPTED INFRASPECIFIC_NAME 2296:5F3CW nidx=null]
 + Scoloplos (Leodamas) rubra orientalis Gallardo, 1968 [SYNONYM SUBSPECIES 2298:852PN nidx=null parent=85DWC]
Scoloplos (Leodamas) thalassae
 - Scoloplos (Leodamas) thalassae Amoureux, 1982 [ACCEPTED SPECIES 2296:4VSK4 nidx=null]
 + Scoloplos (Leodamas) thalassae Amoureux, 1982 [SYNONYM SPECIES 2298:8527G nidx=null parent=85DWG]
Scoloplos (Leodamas) tribulosus
 - Scoloplos (Leodamas) tribulosus (Ehlers, 1897) [ACCEPTED SPECIES 2296:4VSK5 nidx=null]
 + Scoloplos (Leodamas) tribulosus (Ehlers, 1897) [SYNONYM SPECIES 2298:8527H nidx=null parent=3T6BQ]
Scoloplos (Leodamas) uniramus
 - Scoloplos (Leodamas) uniramus Day, 1961 [ACCEPTED SPECIES 2296:4VSK6 nidx=null]
 + Scoloplos (Leodamas) uniramus Day, 1961 [SYNONYM SPECIES 2298:8527J nidx=null parent=85DW7]
Scoloplos (Scoloplos) acmeceps
 - Scoloplos (Scoloplos) acmeceps Chamberlin, 1919 [ACCEPTED SPECIES 2296:4VSK9 nidx=null]
 + Scoloplos (Scoloplos) acmeceps Chamberlin, 1919 [SYNONYM SPECIES 2298:8527K nidx=null parent=84YMX]
Scoloplos (Scoloplos) acutissimus
 - Scoloplos (Scoloplos) acutissimus Hartmann-Schröder, 1991 [SYNONYM SPECIES 2296:79XJ6 nidx=null parent=4VSKR]
 + Scoloplos (Scoloplos) acutissimus Hartmann-Schröder, 1991 [SYNONYM SPECIES 2298:8527L nidx=null parent=85DVX]
Scoloplos (Scoloplos) capensis
 - Scoloplos (Scoloplos) capensis (Day, 1961) [ACCEPTED SPECIES 2296:4VSKC nidx=null]
 + Scoloplos (Scoloplos) capensis (Day, 1961) [SYNONYM SPECIES 2298:8527M nidx=null parent=84YN2]
Scoloplos (Scoloplos) texana
 - Scoloplos (Scoloplos) texana (Maciolek & Holland, 1978) [ACCEPTED SPECIES 2296:4VSKP nidx=null]
 + Scoloplos (Scoloplos) texana Maciolek & Holland, 1978 [SYNONYM SPECIES 2298:8527N nidx=null parent=85DWF]
Scoloplos acmeceps
 - Scoloplos acmeceps Chamberlin, 1919 [SYNONYM SPECIES 2296:4VSKQ nidx=null parent=4VSK9]
 + Scoloplos acmeceps Chamberlin, 1919 [ACCEPTED SPECIES 2298:84YMX nidx=null]
Scoloplos acutissimus
 - Scoloplos acutissimus Hartmann-Schröder, 1991 [ACCEPTED SPECIES 2296:4VSKR nidx=null]
 + Scoloplos acutissimus Hartmann-Schröder, 1991 [SYNONYM SPECIES 2298:8527P nidx=null parent=85DVX]
Scoloplos acutus
 - Scoloplos acutus (Verrill, 1873) [ACCEPTED SPECIES 2296:4VSKS nidx=null]
 + Scoloplos acutus (Verrill, 1873) [SYNONYM SPECIES 2298:84YMY nidx=null parent=84X9S]
Scoloplos agrestis
 - Scoloplos agrestis Nonato & Luna, 1970 [ACCEPTED SPECIES 2296:4VSKT nidx=null]
 + Scoloplos agrestis Nonato & Luna, 1970 [SYNONYM SPECIES 2298:8527Q nidx=null parent=85DVY]
Scoloplos armiger trioculata
 - Scoloplos armiger trioculata Hartmann-Schröder, 1962 [ACCEPTED INFRASPECIFIC_NAME 2296:5F3D2 nidx=null]
 + Scoloplos armiger trioculata Hartmann-Schröder, 1962 [SYNONYM SUBSPECIES 2298:852PP nidx=null parent=3T6BQ]
Scoloplos brevithorax
 - Scoloplos brevithorax Eibye-Jacobsen, 2002 [ACCEPTED SPECIES 2296:4VSKW nidx=null]
 + Scoloplos brevithorax Eibye-Jacobsen, 2002 [SYNONYM SPECIES 2298:8527R nidx=null parent=85DW2]
Scoloplos capensis
 - Scoloplos capensis Day [SYNONYM SPECIES 2296:4VSKZ nidx=null parent=4VSKC]
 + Scoloplos capensis (Day, 1961) [ACCEPTED SPECIES 2298:84YN2 nidx=null]
Scoloplos chevalieri
 - Scoloplos chevalieri (Fauvel, 1901) [SYNONYM SPECIES 2296:4VSL2 nidx=null parent=4VSJM]
 + Scoloplos chevalieri [ACCEPTED SPECIES 2298:8527S nidx=null]
 + Scoloplos chevalieri (Fauvel, 1901) [SYNONYM SPECIES 2298:8527T nidx=null parent=85DW3]
Scoloplos dubia
 - Scoloplos dubia Tebble, 1955 [SYNONYM SPECIES 2296:4VSL8 nidx=null parent=3T6BD]
 + Scoloplos dubia Tebble, 1955 [SYNONYM SPECIES 2298:8527V nidx=null parent=3T6BD]
Scoloplos johnstonei
 - Scoloplos johnstonei Day, 1934 [SYNONYM SPECIES 2296:4VSLF nidx=null parent=4VSJT]
 + Scoloplos johnstonei Day, 1934 [SYNONYM SPECIES 2298:8527X nidx=null parent=85DW7]
Scoloplos madagascarensis
 - Scoloplos madagascarensis Fauvel, 1919 [SYNONYM SPECIES 2296:4VSLJ nidx=null parent=4VSJV]
 + Scoloplos madagascarensis Fauvel, 1919 [SYNONYM SPECIES 2298:8527Y nidx=null parent=85DW9]
Scoloplos madagascariensis
 - Scoloplos madagascariensis Fauvel, 1919 [SYNONYM SPECIES 2296:4VSLK nidx=null parent=4VSJV]
 + Scoloplos madagascariensis Fauvel, 1919 [SYNONYM SPECIES 2298:8527Z nidx=null parent=85DW9]
Scoloplos rubra
 - Scoloplos rubra (Webster, 1879) [SYNONYM SPECIES 2296:4VSLV nidx=null parent=4VSK3]
 + Scoloplos rubra [ACCEPTED SPECIES 2298:84YN3 nidx=null]
Scoloplos texana
 - Scoloplos texana Maciolek & Holland, 1978 [SYNONYM SPECIES 2296:4VSM3 nidx=null parent=4VSKP]
 + Scoloplos texana Maciolek & Holland, 1978 [SYNONYM SPECIES 2298:84YN4 nidx=null parent=85DWF]
Scoloplosia
 - Scoloplosia [ACCEPTED GENUS 2296:6455K nidx=null]
 + Scoloplosia Rullier, 1972 [ACCEPTED GENUS 2298:84RZP nidx=null]
Scolymia
 - Scolymia [ACCEPTED GENUS 2296:6456R nidx=null]
 + Scolymia Haime, 1852 [ACCEPTED GENUS 2298:84RZG nidx=null]
Scopaegorgia
 - Scopaegorgia [ACCEPTED GENUS 2296:644V6 nidx=null]
 + Scopaegorgia Zapata-Guardiola & Lopez-González, 2010 [ACCEPTED GENUS 2298:84RZQ nidx=null]
Scopalina
 - Scopalina [ACCEPTED GENUS 2296:63T6W nidx=null]
 + Scopalina Schmidt, 1862 [ACCEPTED GENUS 2298:84RZM nidx=null]
Scopalinida
 - Scopalinida [ACCEPTED ORDER 2296:42L nidx=null]
 + Scopalinida Morrow & Cárdenas, 2015 [ACCEPTED ORDER 2298:84JWM nidx=null]
Scopalinidae
 - Scopalinidae [ACCEPTED FAMILY 2296:G58 nidx=null]
 + Scopalinidae Morrow, Picton, Erpenbeck, Boury-Esnault, Maggs & Allcock, 2012 [ACCEPTED FAMILY 2298:84KFV nidx=null]
Scotia
 - Scotia [ACCEPTED GENUS 2296:63SVZ nidx=null]
 + Scotia Leuckart, 1849 [ACCEPTED GENUS 2298:84RZS nidx=null]
Scottoecia
 - Scottoecia [ACCEPTED GENUS 2296:644WV nidx=null]
 + Scottoecia Angel, 2012 [ACCEPTED GENUS 2298:84RZT nidx=null]
Scypha ananus
 - Scypha ananus (Montagu, 1814) [SYNONYM SPECIES 2296:79ZYB nidx=null parent=724BQ]
 + Scypha ananus [SYNONYM SPECIES 2298:84YNH nidx=null parent=724BQ]
Scyphidium
 - Scyphidium [ACCEPTED GENUS 2296:63SZ8 nidx=null]
 + Scyphidium Schulze, 1900 [ACCEPTED GENUS 2298:84RZW nidx=null]
Scyphopodium
 - Scyphopodium [ACCEPTED GENUS 2296:63SYD nidx=null]
 + Scyphopodium Bayer, 1981 [ACCEPTED GENUS 2298:84RZX nidx=null]
Scyphoproctus
 - Scyphoproctus [ACCEPTED GENUS 2296:644YD nidx=null]
 + Scyphoproctus Gravier, 1904 [ACCEPTED GENUS 2298:84RZY nidx=null]
Scytaliopsis
 - Scytaliopsis [ACCEPTED GENUS 2296:644YM nidx=null]
 + Scytaliopsis Gravier, 1906 [ACCEPTED GENUS 2298:84RZZ nidx=null]
Scytalium
 - Scytalium [ACCEPTED GENUS 2296:63SYP nidx=null]
 + Scytalium Herklots, 1858 [ACCEPTED GENUS 2298:84S22 nidx=null]
Secubelmis
 - Secubelmis [ACCEPTED GENUS 2296:7F2V nidx=null]
 + Secubelmis Fend & Gustafson, 2001 [ACCEPTED GENUS 2298:84S24 nidx=null]
Seepiophila
 - Seepiophila [ACCEPTED GENUS 2296:644LG nidx=null]
 + Seepiophila Gardiner, McMullin & Fisher, 2001 [ACCEPTED GENUS 2298:84S25 nidx=null]
Seguapallene
 - Seguapallene [ACCEPTED GENUS 2296:7F4Z nidx=null]
 + Seguapallene Pushkin, 1975 [ACCEPTED GENUS 2298:84S27 nidx=null]
Seira dollfussi
 - Seira dollfussi Yosii, R, 1959 [SYNONYM SPECIES 2296:4WB28 nidx=null parent=6YCCX]
 + Seira dollfussi Yosii, R, 1959 [SYNONYM SPECIES 2298:85286 nidx=null parent=6YCCX]
Selvagentanais
 - Selvagentanais [ACCEPTED GENUS 2296:7FBH nidx=null]
 + Selvagentanais Larsen, 2013 [ACCEPTED GENUS 2298:84S2B nidx=null]
Semaeostomeae
 - Semaeostomeae [ACCEPTED ORDER 2296:435 nidx=null]
 + Semaeostomeae Agassiz, 1862 [ACCEPTED ORDER 2298:84JQW nidx=null]
Semicytheridea
 - Semicytheridea [ACCEPTED GENUS 2296:63SMJ nidx=null]
 + Semicytheridea Mandelstam, 1956 [ACCEPTED GENUS 2298:84S2C nidx=null]
Semicytherura
 - Semicytherura [ACCEPTED GENUS 2296:644MJ nidx=null]
 + Semicytherura Wagner, 1957 [ACCEPTED GENUS 2298:84S2D nidx=null]
Semidarwinula
 - Semidarwinula [ACCEPTED GENUS 2296:644ML nidx=null]
 + Semidarwinula Choe, 1988 [ACCEPTED GENUS 2298:84S2F nidx=null]
Semiodera
 - Semiodera [ACCEPTED GENUS 2296:7FFC nidx=null]
 + Semiodera Chamberlin, 1919 [ACCEPTED GENUS 2298:84S2G nidx=null]
Semisuberites
 - Semisuberites [ACCEPTED GENUS 2296:63SN6 nidx=null]
 + Semisuberites Carter, 1877 [ACCEPTED GENUS 2298:84S2H nidx=null]
Semitaspongia
 - Semitaspongia [ACCEPTED GENUS 2296:7FGH nidx=null]
 + Semitaspongia Cook & Bergquist, 2000 [ACCEPTED GENUS 2298:84S2J nidx=null]
Semivermilia
 - Semivermilia [ACCEPTED GENUS 2296:7FGP nidx=null]
 + Semivermilia ten Hove, 1975 [ACCEPTED GENUS 2298:84S2L nidx=null]
Semixestoleberis
 - Semixestoleberis [ACCEPTED GENUS 2296:7FGR nidx=null]
 + Semixestoleberis Hartmann, 1962 [ACCEPTED GENUS 2298:84S2M nidx=null]
Semperella
 - Semperella [ACCEPTED GENUS 2296:644LW nidx=null]
 + Semperella Gray, 1868 [ACCEPTED GENUS 2298:84P7D nidx=null]
Senecio elliotii
 - Senecio elliotii S. Moore [SYNONYM SPECIES 2296:4WKN5 nidx=null parent=4WNDL]
 + Senecio elliotii S. Moore [SYNONYM SPECIES 2298:84KKM nidx=null parent=4WNDL]
Senecio rupicolus
 - Senecio rupicolus Simonk. [SYNONYM SPECIES 2296:4WMXS nidx=null parent=5LFXH]
 + Senecio rupicolus Simonk. [SYNONYM SPECIES 2298:84YRM nidx=null parent=5LFXH]
Senecio spatulifolius
 - Senecio spatulifolius Kellogg [SYNONYM SPECIES 2296:4WN8D nidx=null parent=4BW9N]
 + Senecio spatulifolius Kellogg [SYNONYM SPECIES 2298:84YRN nidx=null parent=4BW9N]
Sergioneris
 - Sergioneris [ACCEPTED GENUS 2296:7FRT nidx=null]
 + Sergioneris Carrera-Parra, 2006 [ACCEPTED GENUS 2298:84S2Q nidx=null]
Seriatopora
 - Seriatopora [ACCEPTED GENUS 2296:7FS4 nidx=null]
 + Seriatopora Lamarck, 1816 [ACCEPTED GENUS 2298:84S2R nidx=null]
Sericolophus calsubus
 - Sericolophus calsubus Tabachnick & Lévi, 2000 [ACCEPTED SPECIES 2296:6YK2Z nidx=null]
 + Sericolophus calsubus Tabachnick & Lévi, 2000 [SYNONYM SPECIES 2298:8528N nidx=null parent=85SYL]
Sericolophus cidaricus
 - Sericolophus cidaricus Tabachnick & Lévi, 2000 [ACCEPTED SPECIES 2296:6YJRB nidx=null]
 + Sericolophus cidaricus Tabachnick & Lévi, 2000 [SYNONYM SPECIES 2298:8528P nidx=null parent=85SYM]
Sericolophus equinus
 - Sericolophus equinus Schulze, 1904 [SYNONYM SPECIES 2296:6YK3B nidx=null parent=6YJRC]
 + Sericolophus equinus Schulze, 1904 [SYNONYM SPECIES 2298:8528Q nidx=null parent=85SYQ]
Sericolophus hawaiicus
 - Sericolophus hawaiicus Tabachnick & Lévi, 2000 [ACCEPTED SPECIES 2296:6YJRF nidx=null]
 + Sericolophus hawaiicus Tabachnick & Lévi, 2000 [SYNONYM SPECIES 2298:8528R nidx=null parent=85SYN]
Sericolophus neocaledonicus
 - Sericolophus neocaledonicus Tabachnick & Lévi, 2000 [ACCEPTED SPECIES 2296:6YK3F nidx=null]
 + Sericolophus neocaledonicus Tabachnick & Lévi, 2000 [SYNONYM SPECIES 2298:8528S nidx=null parent=85SYP]
Sericolophus reflexus
 - Sericolophus reflexus (Ijima, 1894) [ACCEPTED SPECIES 2296:6YJRC nidx=null]
 + Sericolophus reflexus (Ijima, 1894) [SYNONYM SPECIES 2298:84YNL nidx=null parent=85SYQ]
Sericosura
 - Sericosura [ACCEPTED GENUS 2296:644NL nidx=null]
 + Sericosura Fry & Hedgpeth, 1969 [ACCEPTED GENUS 2298:84S2S nidx=null]
Seriola compacta
 - Seriola compacta Hanitsch, 1889 [SYNONYM SPECIES 2296:4WV8S nidx=null parent=537N2]
 + Seriola compacta [SYNONYM SPECIES 2298:8528T nidx=null parent=537N2]
Serpentaria
 - Serpentaria [ACCEPTED GENUS 2296:7FVL nidx=null]
 + Serpentaria Goodsir, 1845 [ACCEPTED GENUS 2298:84S2T nidx=null]
Serpula mallurensis
 - Serpula mallurensis Chiplonkar & Tapaswi, 1972 [ACCEPTED SPECIES 2296:4WWL7 nidx=null]
 + Serpula mallurensis Chiplonkar & Tapaswi, 1971 [SYNONYM SPECIES 2298:8528V nidx=null parent=3RR5X]
Serpula rugosa
 - Serpula rugosa Chiplonkar & Tapaswi, 1972 [ACCEPTED SPECIES 2296:4WWMS nidx=null]
 + Serpula rugosa Chiplonkar & Tapaswi, 1971 [AMBIGUOUS_SYNONYM SPECIES 2298:8528W nidx=null parent=36ZGN]
Serpula spirorbis
 - Serpula spirorbis Linnaeus, 1758 [SYNONYM SPECIES 2296:4WWN9 nidx=null parent=6NTC3]
 - Serpula spirorbis (Southward, 1963) [SYNONYM SPECIES 2296:6YL3Y nidx=null parent=4WWM6]
 + Serpula spirorbis Linnaeus, 1758 [SYNONYM SPECIES 2298:8528X nidx=null parent=4Z8FH]
Serpula spiruloea
 - Serpula spiruloea Lamarck, 1818 [ACCEPTED SPECIES 2296:4WWNB nidx=null]
 + Serpula spiruloea Lamarck, 1818 [SYNONYM SPECIES 2298:8528Y nidx=null parent=85FC4]
Serpula zealandica
 - Serpula zealandica Baird, 1865 [SYNONYM SPECIES 2296:4WWP9 nidx=null parent=6YL3V]
 + Serpula zealandica [misspelling of zelandica] [SYNONYM SPECIES 2298:8528Z nidx=null parent=6YL3V]
Serpula zetlandica
 - Serpula zetlandica Baird, 1865 [SYNONYM SPECIES 2296:4WWPB nidx=null parent=6YL3V]
 + Serpula zetlandica [misspelling of zelandica] [SYNONYM SPECIES 2298:85292 nidx=null parent=6YL3V]
Serpulidae
 - Serpulidae [ACCEPTED FAMILY 2296:G8P nidx=null]
 + Serpulidae Rafinesque, 1815 [ACCEPTED FAMILY 2298:84KFW nidx=null]
Serratocythere
 - Serratocythere [ACCEPTED GENUS 2296:7FXG nidx=null]
 + Serratocythere Hartmann, 1979 [ACCEPTED GENUS 2298:84S2W nidx=null]
Serrocytherura
 - Serrocytherura [ACCEPTED GENUS 2296:7FYB nidx=null]
 + Serrocytherura Ishizaki & Gunther, 1974 [ACCEPTED GENUS 2298:84S2X nidx=null]
Seticoronaria
 - Seticoronaria [ACCEPTED ORDER 2296:43C nidx=null]
 + Seticoronaria Salvini-Plawen, 1974 [ACCEPTED ORDER 2298:84JWN nidx=null]
Setidium
 - Setidium [ACCEPTED GENUS 2296:7G47 nidx=null]
 + Setidium Schmidt, 1879 [ACCEPTED GENUS 2298:84S32 nidx=null]
Sexanymphon
 - Sexanymphon [ACCEPTED GENUS 2296:7G7P nidx=null]
 + Sexanymphon Hedgpeth & Fry, 1964 [ACCEPTED GENUS 2298:84S33 nidx=null]
Sheila
 - Sheila [ACCEPTED GENUS 2296:7GCD nidx=null]
 + Sheila Monro, 1930 [ACCEPTED GENUS 2298:84S35 nidx=null]
Sheina
 - Sheina [ACCEPTED GENUS 2296:7GCG nidx=null]
 + Sheina Harding, 1966 [ACCEPTED GENUS 2298:84S36 nidx=null]
Shinkai
 - Shinkai [ACCEPTED GENUS 2296:63T2L nidx=null]
 + Shinkai Miura & Laubier, 1990 [ACCEPTED GENUS 2298:84S37 nidx=null]
Shishaella
 - Shishaella [ACCEPTED GENUS 2296:7GFD nidx=null]
 + Shishaella Sohn, 1971 [ACCEPTED GENUS 2298:84S38 nidx=null]
Showapolynoe
 - Showapolynoe [ACCEPTED GENUS 2296:7GG8 nidx=null]
 + Showapolynoe Imajima, 1997 [ACCEPTED GENUS 2298:84S39 nidx=null]
Showascalisetosus
 - Showascalisetosus [ACCEPTED GENUS 2296:7GG9 nidx=null]
 + Showascalisetosus Imajima, 1997 [ACCEPTED GENUS 2298:84S3B nidx=null]
Shungyangella
 - Shungyangella [ACCEPTED GENUS 2296:7GGP nidx=null]
 + Shungyangella Hu & Tao, 2008 [ACCEPTED GENUS 2298:84S3D nidx=null]
Sibogagorgia
 - Sibogagorgia [ACCEPTED GENUS 2296:7GKN nidx=null]
 + Sibogagorgia Stiasny, 1937 [ACCEPTED GENUS 2298:84S3F nidx=null]
Siboganemertes
 - Siboganemertes [ACCEPTED GENUS 2296:7GKP nidx=null]
 + Siboganemertes Stiasny-Wijnhoff, 1923 [ACCEPTED GENUS 2298:84S3G nidx=null]
Siboganemertidae
 - Siboganemertidae [ACCEPTED FAMILY 2296:G9P nidx=null]
 + Siboganemertidae Stiasny-Wijnhoff, 1923 [ACCEPTED FAMILY 2298:84KFX nidx=null]
Siboglinidae
 - Siboglinidae [ACCEPTED FAMILY 2296:G9Q nidx=null]
 + Siboglinidae Caullery, 1914 [ACCEPTED FAMILY 2298:84KFY nidx=null]
Siboglinoides
 - Siboglinoides [ACCEPTED GENUS 2296:644R3 nidx=null]
 + Siboglinoides Ivanov, 1961 [ACCEPTED GENUS 2298:84S3H nidx=null]
Siboglinum
 - Siboglinum [ACCEPTED GENUS 2296:7GKV nidx=null]
 + Siboglinum Caullery, 1914 [ACCEPTED GENUS 2298:84S3J nidx=null]
Sicyos angulata
 - Sicyos angulata P. J. Bergius [SYNONYM SPECIES 2296:4X7H7 nidx=null parent=3R4D2]
 + Sicyos angulata P. J. Bergius [SYNONYM SPECIES 2298:84KKY nidx=null parent=3R4D2]
Sicyos laciniata
 - Sicyos laciniata Descourt. [SYNONYM SPECIES 2296:4X7JM nidx=null parent=5L4P5]
 + Sicyos laciniata Descourt. [SYNONYM SPECIES 2298:84YP6 nidx=null parent=5L4P5]
Sicyos parviflora
 - Sicyos parviflora A. Gray [SYNONYM SPECIES 2296:4X7KQ nidx=null parent=4X7JK]
 + Sicyos parviflora A. Gray [SYNONYM SPECIES 2298:84YP7 nidx=null parent=4X7JK]
Sida macropodon
 - Sida macropodon (Guill. & Perr.) Steud. [SYNONYM SPECIES 2296:4X85N nidx=null parent=8N6J]
 + Sida macropodon (Guill. & Perr.) Steud. [SYNONYM SPECIES 2298:84YSK nidx=null parent=8N6J]
Siderastrea
 - Siderastrea [ACCEPTED GENUS 2296:6452Q nidx=null]
 + Siderastrea Blainville, 1830 [ACCEPTED GENUS 2298:84S3K nidx=null]
Siderastreidae
 - Siderastreidae [ACCEPTED FAMILY 2296:G9Z nidx=null]
 + Siderastreidae Vaughan & Wells, 1943 [ACCEPTED FAMILY 2298:84KFZ nidx=null]
Siegius
 - Siegius [ACCEPTED GENUS 2296:7GQ2 nidx=null]
 + Siegius Allsopp, 2017 [ACCEPTED GENUS 2298:84S3T nidx=null]
Sigalion
 - Sigalion [ACCEPTED GENUS 2296:7GQX nidx=null]
 + Sigalion Audouin & Milne Edwards, 1832 [ACCEPTED GENUS 2298:84S3L nidx=null]
Sigalionidae
 - Sigalionidae [ACCEPTED FAMILY 2296:6279S nidx=null]
 + Sigalionidae Kinberg, 1856 [ACCEPTED FAMILY 2298:84KG2 nidx=null]
Sigambra
 - Sigambra [ACCEPTED GENUS 2296:7GR4 nidx=null]
 + Sigambra Müller, 1858 [ACCEPTED GENUS 2298:84S3M nidx=null]
Sigatargis
 - Sigatargis [ACCEPTED GENUS 2296:7GRB nidx=null]
 + Sigatargis Misra, 1999 [ACCEPTED GENUS 2298:84S3V nidx=null]
Sige
 - Sige [ACCEPTED SUBGENUS 2296:7GRF nidx=null]
 - Sige [ACCEPTED GENUS 2296:6452T nidx=null]
 + Sige Malmgren, 1865 [ACCEPTED GENUS 2298:84S3N nidx=null]
Sige olivieri
 - Sige olivieri Pleijel, 1990 [ACCEPTED SPECIES 2296:6YNQ9 nidx=null]
 + Sige olivieri [auctt. misspelling] [SYNONYM SPECIES 2298:85295 nidx=null parent=6YNPX]
Sigmadocia fragilis
 - Sigmadocia fragilis Bergquist & Warne, 1980 [SYNONYM SPECIES 2296:6YNW4 nidx=null parent=3JC8V]
 + Sigmadocia fragilis Bergquist & Warne, 1980 [SYNONYM SPECIES 2298:85296 nidx=null parent=85SVR]
Sigmadocia irregularis
 - Sigmadocia irregularis (Brøndsted, 1924) [SYNONYM SPECIES 2296:6YNVY nidx=null parent=3JC94]
 + Sigmadocia irregularis (Brøndsted, 1924) [SYNONYM SPECIES 2298:85297 nidx=null parent=85SVM]
Sigmaxinella
 - Sigmaxinella [ACCEPTED GENUS 2296:7GSD nidx=null]
 + Sigmaxinella Dendy, 1897 [ACCEPTED GENUS 2298:84S3P nidx=null]
Sigmeurypon
 - Sigmeurypon [ACCEPTED GENUS 2296:7GSF nidx=null]
 + Sigmeurypon Topsent, 1928 [ACCEPTED GENUS 2298:84S3Q nidx=null]
Sigmosceptrella
 - Sigmosceptrella [ACCEPTED GENUS 2296:7GTD nidx=null]
 + Sigmosceptrella Dendy, 1922 [ACCEPTED GENUS 2298:84S3R nidx=null]
Silene fortunii
 - Silene fortunii Hort. ex Fenzl [SYNONYM SPECIES 2296:4XC6N nidx=null parent=4XCQG]
 + Silene fortunii Hort. ex Fenzl [SYNONYM SPECIES 2298:84YSL nidx=null parent=4XCQG]
Silene spatulata
 - Silene spatulata Larrañaga [SYNONYM SPECIES 2296:4XD88 nidx=null parent=4XC79]
 + Silene spatulata Larrañaga [SYNONYM SPECIES 2298:84YTQ nidx=null parent=4XC79]
Siliquariaspongia
 - Siliquariaspongia [ACCEPTED GENUS 2296:7GVK nidx=null]
 + Siliquariaspongia Hoshino, 1981 [ACCEPTED GENUS 2298:84S3S nidx=null]
Siluropelta
 - Siluropelta [ACCEPTED GENUS 2296:7GWS nidx=null]
 + Siluropelta Eisenack, 1981 [ACCEPTED GENUS 2298:84S45 nidx=null]
Similipedia
 - Similipedia [ACCEPTED GENUS 2296:7GZB nidx=null]
 + Similipedia Gutu, 1989 [ACCEPTED GENUS 2298:84S46 nidx=null]
Simplaria
 - Simplaria [ACCEPTED GENUS 2296:7H3Z nidx=null]
 + Simplaria Knight-Jones, 1984 [ACCEPTED GENUS 2298:84S49 nidx=null]
Simplastrea
 - Simplastrea [ACCEPTED GENUS 2296:7H42 nidx=null]
 + Simplastrea Umbgrove, 1939 [ACCEPTED GENUS 2298:84S3W nidx=null]
Simplisetia
 - Simplisetia [ACCEPTED GENUS 2296:7H4Q nidx=null]
 + Simplisetia Hartmann-Schröder, 1985 [ACCEPTED GENUS 2298:84S4G nidx=null]
Simplotubus
 - Simplotubus [ACCEPTED GENUS 2296:7H4W nidx=null]
 + Simplotubus Singh & Dar Shukla, 1981 [ACCEPTED GENUS 2298:84S4J nidx=null]
Sinella höfti
 - Sinella höfti Schäffer, 1896 [AMBIGUOUS_SYNONYM SPECIES 2296:4XJS6 nidx=null parent=WQ4C]
 + Sinella höfti Schäffer, 1896 [AMBIGUOUS_SYNONYM SPECIES 2298:85298 nidx=null parent=WQ4C]
Sinelobus
 - Sinelobus [ACCEPTED GENUS 2296:7H7R nidx=null]
 + Sinelobus Sieg, 1980 [ACCEPTED GENUS 2298:84S3Z nidx=null]
Singula
 - Singula [ACCEPTED GENUS 2296:7H97 nidx=null]
 + Singula Blazewicz-Paszkowycz, 2005 [ACCEPTED GENUS 2298:84S4L nidx=null]
Singularitanais
 - Singularitanais [ACCEPTED GENUS 2296:63SRM nidx=null]
 + Singularitanais Sieg, 1980 [ACCEPTED GENUS 2298:84S43 nidx=null]
Sinocythere
 - Sinocythere [ACCEPTED GENUS 2296:7HCQ nidx=null]
 + Sinocythere Hou in Hou et al., 1982 [ACCEPTED GENUS 2298:84S4R nidx=null]
Sinocytheridea
 - Sinocytheridea [ACCEPTED GENUS 2296:7HCR nidx=null]
 + Sinocytheridea Hou in Hou et al., 1982 [ACCEPTED GENUS 2298:84S4S nidx=null]
Sinoditrupa
 - Sinoditrupa [ACCEPTED GENUS 2296:7HD7 nidx=null]
 + Sinoditrupa Yu & Wang, 1981 [ACCEPTED GENUS 2298:84S4T nidx=null]
Sinohesione
 - Sinohesione [ACCEPTED GENUS 2296:7HDZ nidx=null]
 + Sinohesione Westheide, Purschke & Mangerich, 1994 [ACCEPTED GENUS 2298:84S4X nidx=null]
Sinoleberis
 - Sinoleberis [ACCEPTED GENUS 2296:63SS7 nidx=null]
 + Sinoleberis Hu, 1979 [ACCEPTED GENUS 2298:84S53 nidx=null]
Sinonereis
 - Sinonereis [ACCEPTED GENUS 2296:7HFK nidx=null]
 + Sinonereis Wu & Sun, 1979 [ACCEPTED GENUS 2298:84S54 nidx=null]
Sinoradimella
 - Sinoradimella [ACCEPTED GENUS 2296:7HGZ nidx=null]
 + Sinoradimella Hu & Tao, 1986 [ACCEPTED GENUS 2298:84S55 nidx=null]
Sinotubulites
 - Sinotubulites [ACCEPTED GENUS 2296:7HJH nidx=null]
 + Sinotubulites Chen, Chen & Qian, 1981 [ACCEPTED GENUS 2298:84S56 nidx=null]
Sinugenys
 - Sinugenys [ACCEPTED GENUS 2296:63T3B nidx=null]
 + Sinugenys Courtinat, 1998 [ACCEPTED GENUS 2298:84S57 nidx=null]
Sinularia
 - Sinularia [ACCEPTED GENUS 2296:7HKJ nidx=null]
 + Sinularia May, 1898 [ACCEPTED GENUS 2298:84S47 nidx=null]
Sinuolinea
 - Sinuolinea [ACCEPTED GENUS 2296:7HKN nidx=null]
 + Sinuolinea Davis, 1917 [ACCEPTED GENUS 2298:84S58 nidx=null]
Sinuolineidae
 - Sinuolineidae [ACCEPTED FAMILY 2296:GBC nidx=null]
 + Sinuolineidae Shulman, 1959 [ACCEPTED FAMILY 2298:84KG3 nidx=null]
Sinuorota
 - Sinuorota [ACCEPTED GENUS 2296:7HKP nidx=null]
 + Sinuorota Oku, Naruse & Fukami, 2017 [ACCEPTED GENUS 2298:84S59 nidx=null]
Siolineus
 - Siolineus [ACCEPTED GENUS 2296:7HL7 nidx=null]
 + Siolineus Du Bois-Reymond Marcus, 1948 [ACCEPTED GENUS 2298:84S5B nidx=null]
Siphonenteron
 - Siphonenteron [ACCEPTED GENUS 2296:7HNL nidx=null]
 + Siphonenteron Meneghini in Renier, 1847 [ACCEPTED GENUS 2298:84S5D nidx=null]
Siphonidiidae
 - Siphonidiidae [ACCEPTED FAMILY 2296:GBM nidx=null]
 + Siphonidiidae Lendenfeld, 1903 [ACCEPTED FAMILY 2298:84KG4 nidx=null]
Siphonidium
 - Siphonidium [ACCEPTED GENUS 2296:7HNR nidx=null]
 + Siphonidium Schmidt, 1879 [ACCEPTED GENUS 2298:84S48 nidx=null]
Siphonobrachia
 - Siphonobrachia [ACCEPTED GENUS 2296:7HP2 nidx=null]
 + Siphonobrachia Nielsen, 1965 [ACCEPTED GENUS 2298:84S5F nidx=null]
Siphonochalina
 - Siphonochalina [ACCEPTED GENUS 2296:7HP3 nidx=null]
 + Siphonochalina Schmidt, 1868 [ACCEPTED GENUS 2298:84S4B nidx=null]
Siphonochalina papyracea
 - Siphonochalina papyracea Schmidt, 1870 [SYNONYM SPECIES 2296:6Z356 nidx=null parent=PWNG]
 + Siphonochalina papyracea Schmidt, 1870 [SYNONYM SPECIES 2298:8529C nidx=null parent=PWML]
Siphonochalina truncata
 - Siphonochalina truncata Lindgren, 1897 [SYNONYM SPECIES 2296:4XPRN nidx=null parent=5X7BZ]
 + Siphonochalina truncata Lindgren, 1897 [SYNONYM SPECIES 2298:8529D nidx=null parent=85SL3]
Siphonodictyon
 - Siphonodictyon [ACCEPTED GENUS 2296:7HPB nidx=null]
 + Siphonodictyon Bergquist, 1965 [ACCEPTED GENUS 2298:84S4C nidx=null]
Siphonogorgia
 - Siphonogorgia [ACCEPTED GENUS 2296:7HPH nidx=null]
 + Siphonogorgia Kölliker, 1874 [ACCEPTED GENUS 2298:84S4D nidx=null]
Siphonolabrum
 - Siphonolabrum [ACCEPTED GENUS 2296:7HPL nidx=null]
 + Siphonolabrum Lang, 1972 [ACCEPTED GENUS 2298:84S4F nidx=null]
Siphonostoma villosum
 - Siphonostoma villosum Rathke, 1843 [SYNONYM SPECIES 2296:4XQF6 nidx=null parent=N4KG]
 + Siphonostoma villosum Rathke, 1843 [SYNONYM SPECIES 2298:8529N nidx=null parent=859QT]
Siphonostra
 - Siphonostra [ACCEPTED GENUS 2296:7HQ7 nidx=null]
 + Siphonostra Skogsberg, 1920 [ACCEPTED GENUS 2298:84S4H nidx=null]
Sirsoe
 - Sirsoe [ACCEPTED GENUS 2296:7HTL nidx=null]
 + Sirsoe Pleijel, 1998 [ACCEPTED GENUS 2298:84S5G nidx=null]
Sisyra dalii
 - Sisyra dalii McLachlan, 1866 [ACCEPTED SPECIES 2296:6YSLJ nidx=null]
 + Sisyra dalii McLachlan, 1866 [ACCEPTED SPECIES 2298:84LZZ nidx=null]
Skalenoprion
 - Skalenoprion [ACCEPTED GENUS 2296:7HXJ nidx=null]
 + Skalenoprion Myannil & Zaslavskaya, 1985 [ACCEPTED GENUS 2298:84S5K nidx=null]
Skamnarium
 - Skamnarium [ACCEPTED GENUS 2296:7HXN nidx=null]
 + Skamnarium Alderslade, 2000 [ACCEPTED GENUS 2298:84S5M nidx=null]
Sketodrilus
 - Sketodrilus [ACCEPTED GENUS 2296:7HYC nidx=null]
 + Sketodrilus Karaman, 1976 [ACCEPTED GENUS 2298:84S5N nidx=null]
Skogsbergia
 - Skogsbergia [ACCEPTED GENUS 2296:7HYX nidx=null]
 + Skogsbergia Poulsen, 1962 [ACCEPTED GENUS 2298:84S4K nidx=null]
Skogsbergiella
 - Skogsbergiella [ACCEPTED GENUS 2296:7HYY nidx=null]
 + Skogsbergiella Kornicker, 1975 [ACCEPTED GENUS 2298:84S5P nidx=null]
Slavina
 - Slavina [ACCEPTED GENUS 2296:7J2R nidx=null]
 + Slavina Vejdovský, 1884 [ACCEPTED GENUS 2298:84S4M nidx=null]
Slavina lurida
 - Slavina lurida Bousfield, 1886 [SYNONYM SPECIES 2296:6YRT6 nidx=null parent=6Z3T5]
 + Slavina lurida (Timm, 1883) [SYNONYM SPECIES 2298:8529Q nidx=null parent=6Z3T5]
Sluiterina
 - Sluiterina [ACCEPTED GENUS 2296:7J3F nidx=null]
 + Sluiterina Monro, 1927 [ACCEPTED GENUS 2298:84S4N nidx=null]
Smenospongia
 - Smenospongia [ACCEPTED GENUS 2296:7J4B nidx=null]
 + Smenospongia Wiedenmayer, 1977 [ACCEPTED GENUS 2298:84S4P nidx=null]
Smenospongia coreana
 - Smenospongia coreana Lee & Sim, 2005 [SYNONYM SPECIES 2296:6YS5F nidx=null parent=P6LD]
 + Smenospongia coreana Lee & Sim, 2005 [ACCEPTED SPECIES 2298:8529R nidx=null]
Smilotrochus
 - Smilotrochus [ACCEPTED GENUS 2296:7J66 nidx=null]
 + Smilotrochus Milne Edwards & Haime, 1851 [ACCEPTED GENUS 2298:84S5Q nidx=null]
Smithsonidrilus
 - Smithsonidrilus [ACCEPTED GENUS 2296:7J7H nidx=null]
 + Smithsonidrilus Brinkhurst, 1966 [ACCEPTED GENUS 2298:84S4Q nidx=null]
Solanum budleiifolium
 - Solanum budleiifolium Dunal [SYNONYM SPECIES 2296:4XZSB nidx=null parent=4Y2NQ]
 + Solanum budleiifolium Dunal [SYNONYM SPECIES 2298:84YPQ nidx=null parent=4Y2NQ]
Solanum stramonifolium
 - Solanum stramonifolium Dunal [AMBIGUOUS_SYNONYM SPECIES 2296:4Y4C9 nidx=null parent=4Y2ZR]
 - Solanum stramonifolium Lam. [AMBIGUOUS_SYNONYM SPECIES 2296:6Z5CB nidx=null parent=4Y4HL]
 + Solanum stramonifolium Lam. [AMBIGUOUS_SYNONYM SPECIES 2298:84YPS nidx=null parent=4Y4HL]
 + Solanum stramonifolium Dunal [AMBIGUOUS_SYNONYM SPECIES 2298:84YPT nidx=null parent=4Y2ZR]
Solenastrea
 - Solenastrea [ACCEPTED GENUS 2296:63SDT nidx=null]
 + Solenastrea Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84S4V nidx=null]
Soleneiscus
 - Soleneiscus [ACCEPTED GENUS 2296:63SDW nidx=null]
 + Soleneiscus Borojevic, Boury-Esnault, Manuel & Vacelet, 2002 [ACCEPTED GENUS 2298:84S4W nidx=null]
Solenocaulon
 - Solenocaulon [ACCEPTED GENUS 2296:644DZ nidx=null]
 + Solenocaulon Gray, 1862 [ACCEPTED GENUS 2298:84S5W nidx=null]
Solenosmilia
 - Solenosmilia [ACCEPTED GENUS 2296:7JG8 nidx=null]
 + Solenosmilia Duncan, 1873 [ACCEPTED GENUS 2298:84S4Y nidx=null]
Sollasella
 - Sollasella [ACCEPTED GENUS 2296:7JHW nidx=null]
 + Sollasella Lendenfeld, 1888 [ACCEPTED GENUS 2298:84S4Z nidx=null]
Solomononereis
 - Solomononereis [ACCEPTED GENUS 2296:7JJL nidx=null]
 + Solomononereis Gibbs, 1971 [ACCEPTED GENUS 2298:84S5Z nidx=null]
Solowetia malmgreni
 - Solowetia malmgreni Ssolowiew, 1899 [SYNONYM SPECIES 2296:4Y83G nidx=null parent=4MNRC]
 + Solowetia malmgreni Ssolowiew, 1899 [SYNONYM SPECIES 2298:8529W nidx=null parent=4MNRD]
Somalidrilus
 - Somalidrilus [ACCEPTED GENUS 2296:644FJ nidx=null]
 + Somalidrilus Erséus, 1992 [ACCEPTED GENUS 2298:84S52 nidx=null]
Sonatsa meridionalis
 - Sonatsa meridionalis Chamberlin, 1919 [ACCEPTED SPECIES 2296:4Y959 nidx=null]
 + Sonatsa meridionalis Chamberlin, 1919 [SYNONYM SPECIES 2298:8529X nidx=null parent=85DXX]
Sonnenemertes
 - Sonnenemertes [ACCEPTED GENUS 2296:7JNL nidx=null]
 + Sonnenemertes Chernyshev, Abukawa & Kajihara, 2015 [ACCEPTED GENUS 2298:84S63 nidx=null]
Soris
 - Soris [ACCEPTED GENUS 2296:7JRY nidx=null]
 + Soris Schram, 1979 [ACCEPTED GENUS 2298:84S65 nidx=null]
Sosane
 - Sosane [ACCEPTED GENUS 2296:7JTH nidx=null]
 + Sosane Malmgren, 1866 [ACCEPTED GENUS 2298:84S5C nidx=null]
Spanioplon
 - Spanioplon [ACCEPTED GENUS 2296:7JXH nidx=null]
 + Spanioplon Topsent, 1890 [ACCEPTED GENUS 2298:84S5J nidx=null]
Sparganophilidae
 - Sparganophilidae [ACCEPTED FAMILY 2296:GF9 nidx=null]
 + Sparganophilidae Michaelsen, 1921 [ACCEPTED FAMILY 2298:84KG6 nidx=null]
Sparganophilus
 - Sparganophilus [ACCEPTED GENUS 2296:7JYG nidx=null]
 + Sparganophilus Benham, 1892 [ACCEPTED GENUS 2298:84S5L nidx=null]
Spathochaeta
 - Spathochaeta [ACCEPTED GENUS 2296:63SFX nidx=null]
 + Spathochaeta Jimi, Moritaki & Kajihara, 2019 [ACCEPTED GENUS 2298:84S68 nidx=null]
Specaria
 - Specaria [ACCEPTED GENUS 2296:7K5F nidx=null]
 + Specaria Sperber, 1939 [ACCEPTED GENUS 2298:84S5S nidx=null]
Spelaedrilus
 - Spelaedrilus [ACCEPTED GENUS 2296:7K6Z nidx=null]
 + Spelaedrilus Cook, 1975 [ACCEPTED GENUS 2298:84S5X nidx=null]
Spelaeoecia
 - Spelaeoecia [ACCEPTED GENUS 2296:7K7H nidx=null]
 + Spelaeoecia Angel & Iliffe, 1987 [ACCEPTED GENUS 2298:84S5Y nidx=null]
Speleobregma
 - Speleobregma [ACCEPTED GENUS 2296:7K87 nidx=null]
 + Speleobregma Bertelsen, 1986 [ACCEPTED GENUS 2298:84S6D nidx=null]
Speleonectes
 - Speleonectes [ACCEPTED GENUS 2296:7K8L nidx=null]
 + Speleonectes Yager, 1981 [ACCEPTED GENUS 2298:84S6F nidx=null]
Speleonectidae
 - Speleonectidae [ACCEPTED FAMILY 2296:GFS nidx=null]
 + Speleonectidae Yager, 1981 [ACCEPTED FAMILY 2298:84KG7 nidx=null]
Sphaeralcyon
 - Sphaeralcyon [ACCEPTED GENUS 2296:63SGW nidx=null]
 + Sphaeralcyon López-González & Gili, 2000 [ACCEPTED GENUS 2298:84S6K nidx=null]
Sphaerasclera
 - Sphaerasclera [ACCEPTED GENUS 2296:7KDP nidx=null]
 + Sphaerasclera McFadden & van Ofwegen, 2013 [ACCEPTED GENUS 2298:84S6L nidx=null]
Sphaerephesia
 - Sphaerephesia [ACCEPTED GENUS 2296:63SGZ nidx=null]
 + Sphaerephesia Fauchald, 1972 [ACCEPTED GENUS 2298:84S66 nidx=null]
Sphaerocladina
 - Sphaerocladina [ACCEPTED ORDER 2296:44F nidx=null]
 + Sphaerocladina Schrammen, 1924 [ACCEPTED ORDER 2298:84JWP nidx=null]
Sphaerodoridae
 - Sphaerodoridae [ACCEPTED FAMILY 2296:GGL nidx=null]
 + Sphaerodoridae Malmgren, 1867 [ACCEPTED FAMILY 2298:84KG8 nidx=null]
Sphaerodoridium
 - Sphaerodoridium [ACCEPTED GENUS 2296:7KHC nidx=null]
 + Sphaerodoridium Lützen, 1961 [ACCEPTED GENUS 2298:84S69 nidx=null]
Sphaerodoridium capense
 - Sphaerodoridium capense (Day, 1963) [SYNONYM SPECIES 2296:4YQD8 nidx=null parent=6YWDC]
 + Sphaerodoridium capense (Day, 1963) [SYNONYM SPECIES 2298:852B2 nidx=null parent=85DCK]
Sphaerodoropsis
 - Sphaerodoropsis [ACCEPTED GENUS 2296:7KHD nidx=null]
 + Sphaerodoropsis Hartman & Fauchald, 1971 [ACCEPTED GENUS 2298:84S6B nidx=null]
Sphaerodoropsis capense
 - Sphaerodoropsis capense (Day, 1963) [ACCEPTED SPECIES 2296:6YWDC nidx=null]
 + Sphaerodoropsis capense (Day, 1963) [SYNONYM SPECIES 2298:852B3 nidx=null parent=85DCK]
Sphaerodoropsis disticha
 - Sphaerodoropsis disticha (Eliason, 1962) [ACCEPTED SPECIES 2296:6YWDG nidx=null]
 + Sphaerodoropsis disticha (Eliason, 1962) [SYNONYM SPECIES 2298:852B4 nidx=null parent=85DRS]
Sphaerodoropsis kitazatoi
 - Sphaerodoropsis kitazatoi Shimabukuro, Rizzo, Alfaro-Lucas, Fujiwara & Sumid [ACCEPTED SPECIES 2296:6YWDN nidx=null]
 + Sphaerodoropsis kitazatoi Shimabukuro, Rizzo, Alfaro-Lucas, Fujiwara & Sumida, 2017 [SYNONYM SPECIES 2298:852B6 nidx=null parent=85FF4]
Sphaerodoropsis martinae
 - Sphaerodoropsis martinae Desbruyères, 1980 [ACCEPTED SPECIES 2296:6Z8G5 nidx=null]
 + Sphaerodoropsis martinae Desbruyères, 1980 [SYNONYM SPECIES 2298:852B7 nidx=null parent=85FF7]
Sphaerodorum
 - Sphaerodorum [ACCEPTED GENUS 2296:644JM nidx=null]
 + Sphaerodorum Örsted, 1843 [ACCEPTED GENUS 2298:84S6C nidx=null]
Sphaerodorum distichum
 - Sphaerodorum distichum Eliason, 1962 [SYNONYM SPECIES 2296:4YQFT nidx=null parent=6YWDG]
 + Sphaerodorum distichum Eliason, 1962 [SYNONYM SPECIES 2298:852B8 nidx=null parent=85DRS]
Sphaerokodisis
 - Sphaerokodisis [ACCEPTED GENUS 2296:7KHX nidx=null]
 + Sphaerokodisis Alderslade, 1998 [ACCEPTED GENUS 2298:84S6N nidx=null]
Sphaeromapseudes
 - Sphaeromapseudes [ACCEPTED GENUS 2296:7KJC nidx=null]
 + Sphaeromapseudes Larsen, 2011 [ACCEPTED GENUS 2298:84S6P nidx=null]
Sphaeromapseudidae
 - Sphaeromapseudidae [ACCEPTED FAMILY 2296:GGR nidx=null]
 + Sphaeromapseudidae Larsen, 2012 [ACCEPTED FAMILY 2298:84KG9 nidx=null]
Sphaeromyxa
 - Sphaeromyxa [ACCEPTED GENUS 2296:7KJS nidx=null]
 + Sphaeromyxa Thélohan, 1892 [ACCEPTED GENUS 2298:84S6Q nidx=null]
Sphaeromyxidae
 - Sphaeromyxidae [ACCEPTED FAMILY 2296:GGT nidx=null]
 + Sphaeromyxidae Lom & Noble, 1984 [ACCEPTED FAMILY 2298:84KGB nidx=null]
Sphaerospora dicentrarchi
 - Sphaerospora dicentrarchi Sitjà-Bobadilla & Alvarez-Pellitero, 1992 [ACCEPTED SPECIES 2296:4YS4K nidx=null]
 + Sphaerospora dicentrarchi Sitjà-Bobadilla & Alvarez-Pellitero, 1992 [SYNONYM SPECIES 2298:852B9 nidx=null parent=85GNN]
Sphaerospora irregularis
 - Sphaerospora irregularis [SYNONYM SPECIES 2296:6Z7XT nidx=null parent=73SV4]
 + Sphaerospora irregularis Kabata, 1962 [SYNONYM SPECIES 2298:852BB nidx=null parent=73SV4]
Sphaerosporidae
 - Sphaerosporidae [ACCEPTED FAMILY 2296:GH3 nidx=null]
 + Sphaerosporidae Davis, 1917 [ACCEPTED FAMILY 2298:84KGC nidx=null]
Sphaerostigma rutilum
 - Sphaerostigma rutilum (Davidson) A. Nelson [SYNONYM SPECIES 2296:4YSD4 nidx=null parent=7K2BN]
 + Sphaerostigma rutilum (Davidson) A. Nelson [SYNONYM SPECIES 2298:84YVN nidx=null parent=7K2BN]
Sphaerosyllis
 - Sphaerosyllis [ACCEPTED GENUS 2296:7KM8 nidx=null]
 + Sphaerosyllis Claparède, 1863 [ACCEPTED GENUS 2298:84S6H nidx=null]
Sphaerosyllis capensis densopapillata
 - Sphaerosyllis capensis densopapillata Hartmann-Schröder, 1979 [ACCEPTED INFRASPECIFIC_NAME 2296:5F56B nidx=null]
 + Sphaerosyllis capensis densopapillata Hartmann-Schröder, 1979 [SYNONYM SUBSPECIES 2298:852PQ nidx=null parent=85FFK]
Sphaerosyllis cuticulata
 - Sphaerosyllis cuticulata Hartmann-Schröder, 1991 [ACCEPTED SPECIES 2296:4YSGQ nidx=null]
 + Sphaerosyllis cuticulata Hartmann-Schröder, 1991 [SYNONYM SPECIES 2298:852BD nidx=null parent=85FFK]
Sphaerosyllis palpopapillata
 - Sphaerosyllis palpopapillata Hartmann-Schröder & Rosenfeldt, 1992 [ACCEPTED SPECIES 2296:4YSHT nidx=null]
 + Sphaerosyllis palpopapillata Hartmann-Schröder & Rosenfeldt, 1992 [SYNONYM SPECIES 2298:852BF nidx=null parent=85F9D]
Sphaerosyllis semiverrucosa
 - Sphaerosyllis semiverrucosa Ehlers, 1913 [ACCEPTED SPECIES 2296:4YSJH nidx=null]
 + Sphaerosyllis semiverrucosa [ACCEPTED SPECIES 2298:84YQ3 nidx=null]
 + Sphaerosyllis semiverrucosa Ehlers, 1913 [SYNONYM SPECIES 2298:84YQ4 nidx=null parent=4MXZT]
Sphaerotylus
 - Sphaerotylus [ACCEPTED GENUS 2296:7KMN nidx=null]
 + Sphaerotylus Topsent, 1898 [ACCEPTED GENUS 2298:84S6J nidx=null]
Sphaerotylus borealis var. antarcticus
 - Sphaerotylus borealis var. antarcticus Kirkpatrick, 1908 [ACCEPTED VARIETY 2296:5RLTG nidx=null]
 + Sphaerotylus borealis var. antarcticus (Kirkpatrick, 1907) [SYNONYM VARIETY 2298:852VY nidx=null parent=4YSVX]
Spheciospongia
 - Spheciospongia [ACCEPTED GENUS 2296:7KPC nidx=null]
 + Spheciospongia Marshall, 1892 [ACCEPTED GENUS 2298:84S6M nidx=null]
Sphenomorphus jagorii
 - Sphenomorphus jagorii Brown & Alcala, 1980 [SYNONYM SPECIES 2296:4YVTD nidx=null parent=7HS2R]
 + Sphenomorphus jagorii Brown & Alcala, 1980 [SYNONYM SPECIES 2298:852BH nidx=null parent=7HS2R]
Sphenotrochus
 - Sphenotrochus [ACCEPTED GENUS 2296:7KT7 nidx=null]
 + Sphenotrochus Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84S6R nidx=null]
Sphyrapodidae
 - Sphyrapodidae [ACCEPTED FAMILY 2296:GHX nidx=null]
 + Sphyrapodidae Gutu, 1980 [ACCEPTED FAMILY 2298:84KGJ nidx=null]
Sphyrapoides
 - Sphyrapoides [ACCEPTED GENUS 2296:7KX7 nidx=null]
 + Sphyrapoides Gutu & Iliffe, 1998 [ACCEPTED GENUS 2298:84S6S nidx=null]
Sphyrapus
 - Sphyrapus [ACCEPTED GENUS 2296:7KX8 nidx=null]
 + Sphyrapus Sars, 1882 [ACCEPTED GENUS 2298:84S6T nidx=null]
Spinacopia
 - Spinacopia [ACCEPTED GENUS 2296:7L2Y nidx=null]
 + Spinacopia Kornicker, 1969 [ACCEPTED GENUS 2298:84S6V nidx=null]
Spinileberis
 - Spinileberis [ACCEPTED GENUS 2296:7L5B nidx=null]
 + Spinileberis Hanai, 1961 [ACCEPTED GENUS 2298:84S6W nidx=null]
Spinimuricea
 - Spinimuricea [ACCEPTED GENUS 2296:7L5H nidx=null]
 + Spinimuricea Grasshoff, 1992 [ACCEPTED GENUS 2298:84S6X nidx=null]
Spinocera
 - Spinocera [ACCEPTED GENUS 2296:7L68 nidx=null]
 + Spinocera Singh & Dar Shukla, 1981 [ACCEPTED GENUS 2298:84S6Y nidx=null]
Spinoceratina
 - Spinoceratina [ACCEPTED GENUS 2296:7L69 nidx=null]
 + Spinoceratina Mostafawi, 1992 [ACCEPTED GENUS 2298:84S6Z nidx=null]
Spinosapseudes
 - Spinosapseudes [ACCEPTED GENUS 2296:7L82 nidx=null]
 + Spinosapseudes Gutu, 1996 [ACCEPTED GENUS 2298:84S72 nidx=null]
Spinosella elegans
 - Spinosella elegans Thiele, 1899 [SYNONYM SPECIES 2296:6YZFB nidx=null parent=PWQT]
 + Spinosella elegans Thiele, 1899 [SYNONYM SPECIES 2298:852BL nidx=null parent=85SPR]
Spinosella maxima
 - Spinosella maxima Dendy, 1887 [SYNONYM SPECIES 2296:6YZFJ nidx=null parent=PWNG]
 + Spinosella maxima Dendy, 1887 [SYNONYM SPECIES 2298:852BM nidx=null parent=PWML]
Spinosella sororia
 - Spinosella sororia (Duchassaing & Michelotti, 1864) [SYNONYM SPECIES 2296:4Z5V3 nidx=null parent=PWNG]
 + Spinosella sororia (Duchassaing & Michelotti, 1864) [SYNONYM SPECIES 2298:852BN nidx=null parent=PWML]
Spinosella sororia var. dilatata
 - Spinosella sororia var. dilatata Dendy, 1887 [SYNONYM VARIETY 2296:5RLX6 nidx=null parent=PWNG]
 + Spinosella sororia var. dilatata Dendy, 1887 [SYNONYM VARIETY 2298:852VZ nidx=null parent=PWML]
Spinosella sororia var. elongata
 - Spinosella sororia var. elongata Dendy, 1887 [SYNONYM VARIETY 2296:5RLX7 nidx=null parent=PWNG]
 + Spinosella sororia var. elongata Dendy, 1887 [SYNONYM VARIETY 2298:852W2 nidx=null parent=PWML]
Spinosella sororia var. fruticosa
 - Spinosella sororia var. fruticosa Dendy, 1887 [SYNONYM VARIETY 2296:5RLX8 nidx=null parent=PWNG]
 + Spinosella sororia var. fruticosa Dendy, 1887 [SYNONYM VARIETY 2298:852W3 nidx=null parent=PWML]
Spinosella vaginalis
 - Spinosella vaginalis (Lamarck, 1814) [SYNONYM SPECIES 2296:4Z5V5 nidx=null parent=PWNG]
 + Spinosella vaginalis (Lamarck, 1814) [SYNONYM SPECIES 2298:84YQN nidx=null parent=PWML]
Spinosella vaginalis f. vaginalis
 - Spinosella vaginalis f. vaginalis (Lamarck, 1814) [SYNONYM FORM 2296:5T246 nidx=null parent=PWNG]
 + Spinosella vaginalis f. vaginalis (Lamarck, 1814) [SYNONYM FORM 2298:852WT nidx=null parent=PWML]
Spinosella velata
 - Spinosella velata Dendy, 1887 [SYNONYM SPECIES 2296:4Z5V6 nidx=null parent=PWNG]
 + Spinosella velata Dendy, 1887 [SYNONYM SPECIES 2298:852BP nidx=null parent=PWML]
Spinosphaera
 - Spinosphaera [ACCEPTED GENUS 2296:7L8M nidx=null]
 + Spinosphaera Hessle, 1917 [ACCEPTED GENUS 2298:84S73 nidx=null]
Spinospongilla
 - Spinospongilla [ACCEPTED GENUS 2296:7L8N nidx=null]
 + Spinospongilla Brien, 1974 [ACCEPTED GENUS 2298:84S74 nidx=null]
Spinther
 - Spinther [ACCEPTED GENUS 2296:7L93 nidx=null]
 + Spinther Johnston, 1845 [ACCEPTED GENUS 2298:84S75 nidx=null]
Spintheridae
 - Spintheridae [ACCEPTED FAMILY 2296:GJC nidx=null]
 + Spintheridae Augener, 1913 [ACCEPTED FAMILY 2298:84KGD nidx=null]
Spinularia
 - Spinularia [ACCEPTED GENUS 2296:7L99 nidx=null]
 + Spinularia Gray, 1867 [ACCEPTED GENUS 2298:84S76 nidx=null]
Spio
 - Spio [ACCEPTED GENUS 2296:7L9H nidx=null]
 + Spio Fabricius, 1785 [ACCEPTED GENUS 2298:84S77 nidx=null]
Spio theeli kolaensis
 - Spio theeli kolaensis Zachs, 1925 [ACCEPTED INFRASPECIFIC_NAME 2296:5F5D2 nidx=null]
 + Spio theeli kolaensis (Zachs, 1925) [SYNONYM SUBSPECIES 2298:852PR nidx=null parent=85FM4]
Spiochaetopterus
 - Spiochaetopterus [ACCEPTED GENUS 2296:7L9J nidx=null]
 + Spiochaetopterus M Sars, 1856 [ACCEPTED GENUS 2298:84S78 nidx=null]
Spiogalea
 - Spiogalea [ACCEPTED GENUS 2296:7L9K nidx=null]
 + Spiogalea Aguirrezabalaga & Ceberio, 2005 [ACCEPTED GENUS 2298:84S79 nidx=null]
Spionidae
 - Spionidae [ACCEPTED FAMILY 2296:626ZC nidx=null]
 + Spionidae Grube, 1850 [ACCEPTED FAMILY 2298:84KGF nidx=null]
Spionides foliata
 - Spionides foliata Moore, 1923 [SYNONYM SPECIES 2296:4Z697 nidx=null parent=3S88R]
 + Spionides foliata Moore, 1923 [SYNONYM SPECIES 2298:852BQ nidx=null parent=3S88N]
Spionides sacculata
 - Spionides sacculata Moore, 1923 [SYNONYM SPECIES 2296:4Z699 nidx=null parent=3S89D]
 + Spionides sacculata Moore, 1923 [SYNONYM SPECIES 2298:852BR nidx=null parent=3S88N]
Spiophanella
 - Spiophanella [ACCEPTED GENUS 2296:7L9P nidx=null]
 + Spiophanella Fauchald & Hancock, 1981 [ACCEPTED GENUS 2298:84S7B nidx=null]
Spiophanes
 - Spiophanes [ACCEPTED GENUS 2296:7L9Q nidx=null]
 + Spiophanes Grube, 1860 [ACCEPTED GENUS 2298:84S7C nidx=null]
Spiraea chamaedrifolia
 - Spiraea chamaedrifolia Cambess. [AMBIGUOUS_SYNONYM SPECIES 2296:4Z6FZ nidx=null parent=7KRK5]
 - Spiraea chamaedrifolia Blume [AMBIGUOUS_SYNONYM SPECIES 2296:4Z6G2 nidx=null parent=4Z6F5]
 - Spiraea chamaedrifolia Thunb. [AMBIGUOUS_SYNONYM SPECIES 2296:4Z6G3 nidx=null parent=4Z6FN]
 - Spiraea chamaedrifolia Hook. fil. & Thomson ex Hook. fil. [AMBIGUOUS_SYNONYM SPECIES 2296:4Z6G4 nidx=null parent=6ZBKJ]
 + Spiraea chamaedrifolia Cambess. [AMBIGUOUS_SYNONYM SPECIES 2298:84KM3 nidx=null parent=7KRK5]
 + Spiraea chamaedrifolia Hook. fil. & Thomson ex Hook. fil. [AMBIGUOUS_SYNONYM SPECIES 2298:84KM4 nidx=null parent=6ZBKJ]
 + Spiraea chamaedrifolia Blume [AMBIGUOUS_SYNONYM SPECIES 2298:84KM5 nidx=null parent=4Z6F5]
 + Spiraea chamaedrifolia Thunb. [AMBIGUOUS_SYNONYM SPECIES 2298:84KM6 nidx=null parent=4Z6FN]
Spiraserpula
 - Spiraserpula [ACCEPTED GENUS 2296:646FL nidx=null]
 + Spiraserpula Regenhardt, 1961 [ACCEPTED GENUS 2298:84S7D nidx=null]
Spirasigma
 - Spirasigma [ACCEPTED GENUS 2296:646F3 nidx=null]
 + Spirasigma Hallmann, 1912 [ACCEPTED GENUS 2298:84S7F nidx=null]
Spirasigmidae
 - Spirasigmidae [ACCEPTED FAMILY 2296:GJJ nidx=null]
 + Spirasigmidae Hallmann, 1912 [ACCEPTED FAMILY 2298:84KGG nidx=null]
Spirastrella
 - Spirastrella [ACCEPTED GENUS 2296:646F2 nidx=null]
 + Spirastrella Schmidt, 1868 [ACCEPTED GENUS 2298:84S7G nidx=null]
Spirastrellidae
 - Spirastrellidae [ACCEPTED FAMILY 2296:GJK nidx=null]
 + Spirastrellidae Ridley & Dendy, 1886 [ACCEPTED FAMILY 2298:84KGH nidx=null]
Spiridion
 - Spiridion [ACCEPTED GENUS 2296:7LB9 nidx=null]
 + Spiridion Knöllner, 1935 [ACCEPTED GENUS 2298:84S7H nidx=null]
Spirobrachia
 - Spirobrachia [ACCEPTED GENUS 2296:7LBX nidx=null]
 + Spirobrachia Ivanov, 1952 [ACCEPTED GENUS 2298:84S7J nidx=null]
Spirobranchus
 - Spirobranchus [ACCEPTED GENUS 2296:7LBY nidx=null]
 + Spirobranchus Blainville, 1818 [ACCEPTED GENUS 2298:84S7K nidx=null]
Spirobranchus contierei
 - Spirobranchus contierei (Gravier, 1905) [SYNONYM SPECIES 2296:4Z7RK nidx=null parent=4Z7T3]
 + Spirobranchus contierei [misspelling of 'coutierei'] [SYNONYM SPECIES 2298:852BT nidx=null parent=4Z7T3]
Spirobranchus contieri
 - Spirobranchus contieri (Gravier, 1905) [SYNONYM SPECIES 2296:4Z7RL nidx=null parent=4Z7T3]
 + Spirobranchus contieri [misspelling of 'coutierei'] [SYNONYM SPECIES 2298:852BV nidx=null parent=4Z7T3]
Spirobranchus coutieri
 - Spirobranchus coutieri (Gravier, 1905) [SYNONYM SPECIES 2296:4Z7RS nidx=null parent=4Z7T3]
 + Spirobranchus coutieri [misspelling of 'coutierei'] [SYNONYM SPECIES 2298:852BW nidx=null parent=4Z7T3]
Spirobranchus polycerus augeneri
 - Spirobranchus polycerus augeneri ten Hove, 1970 [ACCEPTED INFRASPECIFIC_NAME 2296:5F5DT nidx=null]
 + Spirobranchus polycerus augeneri ten Hove, 1970 [ACCEPTED SUBSPECIES 2298:852PS nidx=null]
Spirobranchus quadricornis
 - Spirobranchus quadricornis non (Grube) [SYNONYM SPECIES 2296:4Z7ST nidx=null parent=4Z7SY]
 + Spirobranchus quadricornis non (Grube) sensu Treadwell, 1914 [SYNONYM SPECIES 2298:852BX nidx=null parent=4Z7SY]
Spirodiscus
 - Spirodiscus [ACCEPTED GENUS 2296:7LCL nidx=null]
 + Spirodiscus Fauvel, 1909 [ACCEPTED GENUS 2298:84S7L nidx=null]
Spirorbis
 - Spirorbis [ACCEPTED SUBGENUS 2296:6466S nidx=null]
 - Spirorbis [ACCEPTED GENUS 2296:64674 nidx=null]
 + Spirorbis Daudin, 1800 [ACCEPTED GENUS 2298:84S7N nidx=null]
Spirorbis (Paralaeospira) calypso
 - Spirorbis (Paralaeospira) calypso Zibrowius, 1970 [ACCEPTED SPECIES 2296:6ZB4M nidx=null]
 + Spirorbis (Paralaeospira) calypso Zibrowius, 1970 [SYNONYM SPECIES 2298:852BY nidx=null parent=85F56]
Spirorbis (Paralaeospira) patagonicus
 - Spirorbis (Paralaeospira) patagonicus Caullery & Mesnil, 1897 [ACCEPTED SPECIES 2296:6ZB4K nidx=null]
 + Spirorbis (Paralaeospira) patagonicus Caullery & Mesnil, 1897 [SYNONYM SPECIES 2298:852BZ nidx=null parent=4CXSP]
Spirorbis (Pileolaria) berkeleyana
 - Spirorbis (Pileolaria) berkeleyana Rioja, 1942 [SYNONYM SPECIES 2296:6ZB4P nidx=null parent=6NTBR]
 + Spirorbis (Pileolaria) berkeleyana Rioja, 1942 [SYNONYM SPECIES 2298:852C2 nidx=null parent=4HTDW]
Spirorbis (Pileolaria) polyoperculata
 - Spirorbis (Pileolaria) polyoperculata Straughan, 1969 [ACCEPTED SPECIES 2296:6ZB52 nidx=null]
 + Spirorbis (Pileolaria) polyoperculata Straughan, 1969 [SYNONYM SPECIES 2298:852C3 nidx=null parent=5BG6V]
Spirorbis corallinae
 - Spirorbis corallinae de Silva & Knight-Jones, 1962 [SYNONYM SPECIES 2296:4Z8GG nidx=null parent=6NTC6]
 + Spirorbis corallinae de Silva & Knight-Jones, 1962 [SYNONYM SPECIES 2298:84YQS nidx=null parent=4Z8F8]
Spirorbis moerchi
 - Spirorbis moerchi Levinsen, 1883 [SYNONYM SPECIES 2296:4Z8HR nidx=null parent=6NTC2]
 + Spirorbis moerchi [misspelling of morchi] [SYNONYM SPECIES 2298:84YQW nidx=null parent=85FFW]
Spirorhabdia
 - Spirorhabdia [ACCEPTED GENUS 2296:64673 nidx=null]
 + Spirorhabdia Topsent, 1918 [ACCEPTED GENUS 2298:84S7P nidx=null]
Spirosperma
 - Spirosperma [ACCEPTED GENUS 2296:64678 nidx=null]
 + Spirosperma Eisen, 1879 [ACCEPTED GENUS 2298:84S7Q nidx=null]
Spirosperma nikolskyi
 - Spirosperma nikolskyi (Lastočkin & Sokolskaja, 1953) [ACCEPTED SPECIES 2296:4Z8M6 nidx=null]
 + Spirosperma nikolskyi (Lastočkin in Lastočkin & Sokolskaja, 1953) [SYNONYM SPECIES 2298:84YQY nidx=null parent=39G8S]
Spirosperma papillosus
 - Spirosperma papillosus Beddard, 1895 [SYNONYM SPECIES 2296:4Z8M7 nidx=null parent=4Z8M5]
 + Spirosperma papillosus (Kessler, 1868) [SYNONYM SPECIES 2298:852C5 nidx=null parent=4Z8M5]
Spirospermoides
 - Spirospermoides [ACCEPTED GENUS 2296:63TV7 nidx=null]
 + Spirospermoides Dumnicka, 1983 [ACCEPTED GENUS 2298:84S7R nidx=null]
Spiroverma
 - Spiroverma [ACCEPTED GENUS 2296:7LFJ nidx=null]
 + Spiroverma Uchida, 1968 [ACCEPTED GENUS 2298:84S7S nidx=null]
Spiroxya
 - Spiroxya [ACCEPTED GENUS 2296:7LFK nidx=null]
 + Spiroxya Topsent, 1896 [ACCEPTED GENUS 2298:84S7T nidx=null]
Spongia
 - Spongia [ACCEPTED SUBGENUS 2296:7LHR nidx=null]
 - Spongia [ACCEPTED GENUS 2296:7LHS nidx=null]
 + Spongia Linnaeus, 1759 [ACCEPTED GENUS 2298:84S7W nidx=null]
Spongia (Heterofibria) cristata
 - Spongia (Heterofibria) cristata Cook & Bergquist, 2001 [ACCEPTED SPECIES 2296:6ZBZJ nidx=null]
 + Spongia (Heterofibria) cristata Cook & Bergquist, 2001 [SYNONYM SPECIES 2298:852C7 nidx=null parent=85T83]
Spongia (Spongia) corlosia var. elongata
 - Spongia (Spongia) corlosia var. elongata Hyatt, 1877 [SYNONYM VARIETY 2296:5RM8C nidx=null parent=6ZBNS]
 + Spongia (Spongia) corlosia var. elongata Hyatt, 1877 [SYNONYM VARIETY 2298:852W4 nidx=null parent=85T8C]
Spongia (Spongia) fenestrata
 - Spongia (Spongia) fenestrata Rao, 1941 [ACCEPTED SPECIES 2296:6ZBNZ nidx=null]
 + Spongia (Spongia) fenestrata Rao, 1941 [SYNONYM SPECIES 2298:852C8 nidx=null parent=85T88]
Spongia (Spongia) lignea arborescens
 - Spongia (Spongia) lignea arborescens Hyatt, 1877 [ACCEPTED INFRASPECIFIC_NAME 2296:7J3J9 nidx=null]
 + Spongia (Spongia) lignea arborescens Hyatt, 1877 [SYNONYM SUBSPECIES 2298:852PT nidx=null parent=85T8D]
Spongia alcicornis
 - Spongia alcicornis Esper, 1794 [SYNONYM SPECIES 2296:6ZBPV nidx=null parent=6VFPZ]
 + Spongia alcicornis Esper, 1794 [SYNONYM SPECIES 2298:852C9 nidx=null parent=85T6B]
Spongia arborescens
 - Spongia arborescens var. Lamarck, 1814 [SYNONYM SPECIES 2296:6ZC2B nidx=null parent=D3MX]
 + Spongia arborescens var. Lamarck, 1814 [AMBIGUOUS_SYNONYM SPECIES 2298:852CB nidx=null parent=D3MX]
Spongia bursaria
 - Spongia bursaria Lamarck, 1814 [SYNONYM SPECIES 2296:6ZBQK nidx=null parent=PWNG]
 + Spongia bursaria Lamarck, 1814 [SYNONYM SPECIES 2298:852CC nidx=null parent=PWML]
Spongia calyx
 - Spongia calyx Lamarck, 1814 [SYNONYM SPECIES 2296:6ZC2Q nidx=null parent=56KLQ]
 + Spongia calyx [SYNONYM SPECIES 2298:852CD nidx=null parent=56KLQ]
Spongia cancellata
 - Spongia cancellata Lamarck, 1814 [SYNONYM SPECIES 2296:6ZBR3 nidx=null parent=38HQW]
 + Spongia cancellata Lamarck, 1814 [AMBIGUOUS_SYNONYM SPECIES 2298:852CF nidx=null parent=84XLJ]
 + Spongia cancellata Linnaeus, 1767 [AMBIGUOUS_SYNONYM SPECIES 2298:852CG nidx=null parent=67NTH]
Spongia clavaherculis
 - Spongia clavaherculis Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2296:6ZBPP nidx=null parent=PWNG]
 + Spongia clavaherculis Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2298:852CH nidx=null parent=PWML]
Spongia fissurata
 - Spongia fissurata Lamarck, 1814 [SYNONYM SPECIES 2296:6ZBSS nidx=null parent=RH2G]
 + Spongia fissurata Lamarck, 1814 [SYNONYM SPECIES 2298:852CJ nidx=null parent=84ZR2]
Spongia foliascens
 - Spongia foliascens Pallas, 1766 [SYNONYM SPECIES 2296:6ZC55 nidx=null parent=RH2G]
 + Spongia foliascens Pallas, 1766 [SYNONYM SPECIES 2298:852CK nidx=null parent=84ZR2]
Spongia frondosa
 - Spongia frondosa Pallas, 1766 [SYNONYM SPECIES 2296:6ZC52 nidx=null parent=3Q86P]
 + Spongia frondosa Pallas, 1766 [SYNONYM SPECIES 2298:852CL nidx=null parent=85SRF]
Spongia laciniata
 - Spongia laciniata Lamarck, 1814 [SYNONYM SPECIES 2296:6ZBQZ nidx=null parent=77G2F]
 + Spongia laciniata Lamarck, 1814 [SYNONYM SPECIES 2298:852CN nidx=null parent=77G2G]
Spongia lamellosa
 - Spongia lamellosa Esper, 1794 [SYNONYM SPECIES 2296:6ZBR9 nidx=null parent=77G2F]
 + Spongia lamellosa Esper, 1794 [SYNONYM SPECIES 2298:852CP nidx=null parent=84ZR2]
Spongia lignea var. arborescens
 - Spongia lignea var. arborescens Hyatt, 1877 [SYNONYM VARIETY 2296:5RM8W nidx=null parent=7J3J9]
 + Spongia lignea var. arborescens Hyatt, 1877 [SYNONYM VARIETY 2298:852W5 nidx=null parent=85T8D]
Spongia lobata
 - Spongia lobata Montagu, 1814 [SYNONYM SPECIES 2296:6ZC3G nidx=null parent=D32W]
 + Spongia lobata Montagu, 1814 [AMBIGUOUS_SYNONYM SPECIES 2298:852CQ nidx=null parent=85SN3]
Spongia mollissima
 - Spongia mollissima Schmidt, 1862 [SYNONYM SPECIES 2296:6ZC43 nidx=null parent=6ZBNB]
 + Spongia mollissima Schmidt, 1862 [SYNONYM SPECIES 2298:852CR nidx=null parent=85LDZ]
Spongia officinalis var. fenestrata
 - Spongia officinalis var. fenestrata Rao, 1941 [SYNONYM VARIETY 2296:5RM98 nidx=null parent=6ZBNZ]
 + Spongia officinalis var. fenestrata Rao, 1941 [SYNONYM VARIETY 2298:852W6 nidx=null parent=85T88]
Spongia otahitica
 - Spongia otahitica Esper, 1797 [SYNONYM SPECIES 2296:6ZC68 nidx=null parent=RH2G]
 + Spongia otahitica Esper, 1797 [SYNONYM SPECIES 2298:852CS nidx=null parent=84ZR2]
Spongia palmata
 - Spongia palmata [SYNONYM SPECIES 2296:6ZC6B nidx=null parent=PWM8]
 + Spongia palmata [AMBIGUOUS_SYNONYM SPECIES 2298:852CT nidx=null parent=85SPN]
Spongia ramosa
 - Spongia ramosa Gray, 1843 [SYNONYM SPECIES 2296:6ZC59 nidx=null parent=PWM8]
 + Spongia ramosa Gray, 1843 [AMBIGUOUS_SYNONYM SPECIES 2298:852CW nidx=null parent=85SPN]
 + Spongia ramosa Mantell, 1822 [AMBIGUOUS_SYNONYM SPECIES 2298:852CX nidx=null parent=85T8G]
Spongia reticulata
 - Spongia reticulata (Lendenfeld, 1886) [ACCEPTED SPECIES 2296:6ZC56 nidx=null]
 + Spongia reticulata (Lendenfeld, 1886) [SYNONYM SPECIES 2298:852CY nidx=null parent=85T89]
Spongia rigida
 - Spongia rigida Montagu, 1814 [SYNONYM SPECIES 2296:6ZBT7 nidx=null parent=4ZS6G]
 + Spongia rigida Montagu, 1814 [AMBIGUOUS_SYNONYM SPECIES 2298:852CZ nidx=null parent=85T92]
Spongia stuposa
 - Spongia stuposa Esper, 1794 [SYNONYM SPECIES 2296:6ZC62 nidx=null parent=7DGXC]
 + Spongia stuposa Esper, 1794 [AMBIGUOUS_SYNONYM SPECIES 2298:852D3 nidx=null parent=84Z4R]
Spongia tubulosa
 - Spongia tubulosa Ellis & Solander, 1786 [SYNONYM SPECIES 2296:6ZDJK nidx=null parent=3JBXK]
 + Spongia tubulosa [AMBIGUOUS_SYNONYM SPECIES 2298:852D4 nidx=null parent=84WDR]
 + Spongia tubulosa [AMBIGUOUS_SYNONYM SPECIES 2298:852D5 nidx=null parent=84WDR]
 + Spongia tubulosa Linnaeus, 1759 [AMBIGUOUS_SYNONYM SPECIES 2298:852D6 nidx=null parent=84WDR]
Spongia vaginalis
 - Spongia vaginalis Lamarck, 1814 [SYNONYM SPECIES 2296:6ZDK3 nidx=null parent=PWNG]
 + Spongia vaginalis Lamarck, 1814 [SYNONYM SPECIES 2298:852D7 nidx=null parent=PWML]
Spongia virgultosa
 - Spongia virgultosa Lamarck, 1814 [SYNONYM SPECIES 2296:6ZDJZ nidx=null parent=VSFN]
 + Spongia virgultosa [AMBIGUOUS_SYNONYM SPECIES 2298:852D8 nidx=null parent=84WXD]
 + Spongia virgultosa Esper, 1806 [AMBIGUOUS_SYNONYM SPECIES 2298:852D9 nidx=null parent=84WXD]
Spongiidae
 - Spongiidae [ACCEPTED FAMILY 2296:GKQ nidx=null]
 + Spongiidae Gray, 1867 [ACCEPTED FAMILY 2298:84KGK nidx=null]
Spongilla
 - Spongilla [ACCEPTED GENUS 2296:7LJ2 nidx=null]
 + Spongilla Lamarck, 1816 [ACCEPTED GENUS 2298:84S7X nidx=null]
Spongilla (Stratospongilla) gilsoni
 - Spongilla (Stratospongilla) gilsoni Topsent, 1912 [SYNONYM SPECIES 2296:6ZDJC nidx=null parent=6ZY55]
 + Spongilla (Stratospongilla) gilsoni Topsent, 1912 [SYNONYM SPECIES 2298:852DC nidx=null parent=49JG4]
Spongilla fragilis var. minuta
 - Spongilla fragilis var. minuta Potts, 1880 [SYNONYM VARIETY 2296:5RM9X nidx=null parent=6GYRV]
 + Spongilla fragilis var. minuta Potts, 1881 [SYNONYM VARIETY 2298:852W7 nidx=null parent=597R8]
Spongilla gutenbergiana
 - Spongilla gutenbergiana Müller, Zahn & Maidhof, 1982 [ACCEPTED SPECIES 2296:6ZDLF nidx=null]
 + Spongilla gutenbergiana Müller, Zahn & Maidhof, 1982 [SYNONYM SPECIES 2298:852DD nidx=null parent=6G22D]
Spongillida
 - Spongillida [ACCEPTED ORDER 2296:457 nidx=null]
 + Spongillida Manconi & Pronzato, 2002 [ACCEPTED ORDER 2298:84JWR nidx=null]
Spongillidae
 - Spongillidae [ACCEPTED FAMILY 2296:GKR nidx=null]
 + Spongillidae Gray, 1867 [ACCEPTED FAMILY 2298:84KGL nidx=null]
Spongiodermidae
 - Spongiodermidae [ACCEPTED FAMILY 2296:626ZH nidx=null]
 + Spongiodermidae Wright & Studer, 1889 [ACCEPTED FAMILY 2298:84KGN nidx=null]
Spongionella
 - Spongionella [ACCEPTED GENUS 2296:645VP nidx=null]
 + Spongionella Bowerbank, 1862 [ACCEPTED GENUS 2298:84S7Y nidx=null]
Spongosorites
 - Spongosorites [ACCEPTED GENUS 2296:7LK5 nidx=null]
 + Spongosorites Topsent, 1896 [ACCEPTED GENUS 2298:84S7Z nidx=null]
Spongosorites topsenti
 - Spongosorites topsenti Lévi & Vacelet, 1958 [AMBIGUOUS_SYNONYM SPECIES 2296:4ZB37 nidx=null parent=7CHBM]
 + Spongosorites topsenti Lévi & Vacelet, 1958 [AMBIGUOUS_SYNONYM SPECIES 2298:852DJ nidx=null parent=85TB6]
Spriggina
 - Spriggina [ACCEPTED GENUS 2296:64682 nidx=null]
 + Spriggina Glaessner, 1958 [ACCEPTED GENUS 2298:84S82 nidx=null]
Spumellaria
 - Spumellaria [ACCEPTED ORDER 2296:6237P nidx=null]
 + Spumellaria Ehrenberg, 1875 [ACCEPTED ORDER 2298:84JWS nidx=null]
Stachyops
 - Stachyops [ACCEPTED GENUS 2296:7LTB nidx=null]
 + Stachyops Bird, 2012 [ACCEPTED GENUS 2298:84S83 nidx=null]
Stachyptilidae
 - Stachyptilidae [ACCEPTED FAMILY 2296:GLL nidx=null]
 + Stachyptilidae Kölliker, 1880 [ACCEPTED FAMILY 2298:84KGM nidx=null]
Stachyptilum
 - Stachyptilum [ACCEPTED GENUS 2296:7LTJ nidx=null]
 + Stachyptilum Kölliker, 1880 [ACCEPTED GENUS 2298:84S84 nidx=null]
Standeria
 - Standeria [ACCEPTED GENUS 2296:7LWM nidx=null]
 + Standeria Jamieson, 1968 [ACCEPTED GENUS 2298:84S85 nidx=null]
Staringia
 - Staringia [ACCEPTED GENUS 2296:7LYL nidx=null]
 + Staringia Veen, 1936 [ACCEPTED GENUS 2298:84S86 nidx=null]
Statice gmelinii
 - Statice gmelinii Willd. [AMBIGUOUS_SYNONYM SPECIES 2296:4ZLGH nidx=null parent=6QDNG]
 + Statice gmelinii Willd. [AMBIGUOUS_SYNONYM SPECIES 2298:84YVY nidx=null parent=6QDNG]
Statolitonemertes sachalinica
 - Statolitonemertes sachalinica Korotkevich, 1982 [ACCEPTED SPECIES 2296:4ZLTR nidx=null]
 + Statolitonemertes sachalinica Korotkevich, 1982 [SYNONYM SPECIES 2298:852DK nidx=null parent=859ZB]
Staurocalyptus
 - Staurocalyptus [ACCEPTED GENUS 2296:7M29 nidx=null]
 + Staurocalyptus Ijima, 1897 [ACCEPTED GENUS 2298:84S87 nidx=null]
Stauromedusae
 - Stauromedusae [ACCEPTED ORDER 2296:45G nidx=null]
 + Stauromedusae Haeckel, 1879 [ACCEPTED ORDER 2298:84JQX nidx=null]
Steggoa bisetosa
 - Steggoa bisetosa Hartmann-Schröder, 1962 [ACCEPTED SPECIES 2296:6ZHBV nidx=null]
 + Steggoa bisetosa Hartmann-Schröder, 1962 [SYNONYM SPECIES 2298:852DL nidx=null parent=85DQZ]
Steggoa capensis
 - Steggoa capensis (Schmarda, 1861) [ACCEPTED SPECIES 2296:4ZNQC nidx=null]
 + Steggoa capensis (Schmarda, 1861) [SYNONYM SPECIES 2298:852DM nidx=null parent=84WMG]
Steggoa coronelensis
 - Steggoa coronelensis Hartmann-Schröder, 1962 [ACCEPTED SPECIES 2296:4ZNQD nidx=null]
 + Steggoa coronelensis Hartmann-Schröder, 1962 [SYNONYM SPECIES 2298:852DN nidx=null parent=85DR2]
Steggoa hunteri
 - Steggoa hunteri (Benham, 1921) [ACCEPTED SPECIES 2296:4ZNQF nidx=null]
 + Steggoa hunteri (Benham, 1921) [SYNONYM SPECIES 2298:852DP nidx=null parent=85FBX]
Steggoa pacifica
 - Steggoa pacifica Imajima, 1964 [ACCEPTED SPECIES 2296:4ZNQL nidx=null]
 + Steggoa pacifica Imajima, 1964 [SYNONYM SPECIES 2298:852DQ nidx=null parent=6GVPN]
Steggoa peruana
 - Steggoa peruana Hartmann-Schröder, 1960 [ACCEPTED SPECIES 2296:4ZNQM nidx=null]
 + Steggoa peruana Hartmann-Schröder, 1960 [SYNONYM SPECIES 2298:852DR nidx=null parent=85DR4]
Steineridrilus
 - Steineridrilus [ACCEPTED GENUS 2296:7M8T nidx=null]
 + Steineridrilus Zhang, 2014 [ACCEPTED GENUS 2298:84S89 nidx=null]
Steironema hybrida
 - Steironema hybrida (Michx.) Raf. [SYNONYM SPECIES 2296:4ZPWG nidx=null parent=6QQPQ]
 + Steironema hybrida (Michx.) Raf. [SYNONYM SPECIES 2298:84KMF nidx=null parent=6QQPQ]
Stellamedusa
 - Stellamedusa [ACCEPTED GENUS 2296:63TWW nidx=null]
 + Stellamedusa Raskoff & Matsumoto, 2004 [ACCEPTED GENUS 2298:84M78 nidx=null]
Stellata mamillaris
 - Stellata mamillaris Schmidt, 1862 [SYNONYM SPECIES 2296:4ZRS9 nidx=null parent=6H2HZ]
 + Stellata mamillaris [SYNONYM SPECIES 2298:852DT nidx=null parent=6H2HZ]
Stelletta
 - Stelletta [ACCEPTED GENUS 2296:7MB3 nidx=null]
 + Stelletta Schmidt, 1862 [ACCEPTED GENUS 2298:84S8C nidx=null]
Stelletta aspera
 - Stelletta aspera Kieschnick, 1896 [ACCEPTED SPECIES 2296:4ZRV7 nidx=null]
 + Stelletta aspera Kieschnick, 1896 [AMBIGUOUS_SYNONYM SPECIES 2298:852DV nidx=null parent=85T8R]
Stelletta grubei
 - Stelletta grubei (Schmidt, 1862) [SYNONYM SPECIES 2296:4ZRX6 nidx=null parent=4ZRX5]
 + Stelletta grubei [SYNONYM SPECIES 2298:84YRF nidx=null parent=4ZRX5]
Stelletta herdmani var. robusta
 - Stelletta herdmani var. robusta Thomas, 1979 [ACCEPTED VARIETY 2296:5RN8P nidx=null]
 + Stelletta herdmani var. robusta Thomas, 1979 [SYNONYM VARIETY 2298:852W8 nidx=null parent=85T8T]
Stelletta mastoidea
 - Stelletta mastoidea Schmidt, 1880 [SYNONYM SPECIES 2296:4ZRY3 nidx=null parent=76GYJ]
 + Stelletta mastoidea Schmidt, 1880 [SYNONYM SPECIES 2298:852DW nidx=null parent=76GYJ]
Stelletta ochracea
 - Stelletta ochracea Carter, 1886 [SYNONYM SPECIES 2296:4ZRYH nidx=null parent=76GYP]
 + Stelletta ochracea Carter, 1886 [SYNONYM SPECIES 2298:852DX nidx=null parent=76GYP]
Stelletta radicifera var. robusta
 - Stelletta radicifera var. robusta Wilson, 1925 [ACCEPTED VARIETY 2296:5RN8Y nidx=null]
 + Stelletta radicifera var. robusta Wilson, 1925 [SYNONYM VARIETY 2298:852W9 nidx=null parent=85T8V]
Stelletta rhaphiophora
 - Stelletta rhaphiophora Hentschel, 1929 [SYNONYM SPECIES 2296:4ZRZG nidx=null parent=4ZRZF]
 + Stelletta rhaphiophora [SYNONYM SPECIES 2298:852DY nidx=null parent=4ZRZF]
Stelletta solida
 - Stelletta solida [PROVISIONALLY_ACCEPTED SPECIES 2296:4ZRZS nidx=null]
 - Stelletta solida (Laubenfels, 1936) [ACCEPTED SPECIES 2296:4ZRZT nidx=null]
 + Stelletta solida (Laubenfels, 1936) [AMBIGUOUS_SYNONYM SPECIES 2298:852DZ nidx=null parent=85T5P]
 + Stelletta solida Tanita, 1963 [ACCEPTED SPECIES 2298:852F2 nidx=null]
Stellettinopsis
 - Stellettinopsis [ACCEPTED GENUS 2296:7MB4 nidx=null]
 + Stellettinopsis Carter, 1879 [ACCEPTED GENUS 2298:84S8D nidx=null]
Stellettinopsis euastrum
 - Stellettinopsis euastrum Schmidt, 1880 [ACCEPTED SPECIES 2296:6ZK75 nidx=null]
 + Stellettinopsis euastrum Schmidt, 1880 [SYNONYM SPECIES 2298:852F3 nidx=null parent=85SN9]
Stellettinopsis purpurea
 - Stellettinopsis purpurea Carter, 1886 [SYNONYM SPECIES 2296:4ZS3J nidx=null parent=4RVCM]
 + Stellettinopsis purpurea Carter, 1886 [SYNONYM SPECIES 2298:852F4 nidx=null parent=3QMYS]
Stelligera rigida
 - Stelligera rigida (Montagu, 1814) [ACCEPTED SPECIES 2296:4ZS6G nidx=null]
 + Stelligera rigida (Montagu, 1814) [SYNONYM SPECIES 2298:852F5 nidx=null parent=85T92]
Stelligera stuposa f. rigida
 - Stelligera stuposa f. rigida (Montagu, 1814) [SYNONYM FORM 2296:5T28W nidx=null parent=4ZS6G]
 + Stelligera stuposa f. rigida (Montagu, 1814) [SYNONYM FORM 2298:852WV nidx=null parent=85T92]
Stelligeridae
 - Stelligeridae [ACCEPTED FAMILY 2296:GML nidx=null]
 + Stelligeridae Lendenfeld, 1898 [ACCEPTED FAMILY 2298:84KGP nidx=null]
Stellitethya
 - Stellitethya [ACCEPTED GENUS 2296:645WX nidx=null]
 + Stellitethya Sarà, 1994 [ACCEPTED GENUS 2298:84S8G nidx=null]
Stelodoryx
 - Stelodoryx [ACCEPTED GENUS 2296:7MBQ nidx=null]
 + Stelodoryx Topsent, 1904 [ACCEPTED GENUS 2298:84S8H nidx=null]
Stenisis
 - Stenisis [ACCEPTED GENUS 2296:7MGG nidx=null]
 + Stenisis Bayer & Stefani, 1987 [ACCEPTED GENUS 2298:84S8M nidx=null]
Stenocyathidae
 - Stenocyathidae [ACCEPTED FAMILY 2296:GMX nidx=null]
 + Stenocyathidae Stolarski, 2000 [ACCEPTED FAMILY 2298:84KGR nidx=null]
Stenocyathus
 - Stenocyathus [ACCEPTED GENUS 2296:7ML2 nidx=null]
 + Stenocyathus Pourtalès, 1871 [ACCEPTED GENUS 2298:84S8N nidx=null]
Stenoninereis
 - Stenoninereis [ACCEPTED GENUS 2296:7MQT nidx=null]
 + Stenoninereis Wesenberg-Lund, 1958 [ACCEPTED GENUS 2298:84S8R nidx=null]
Stenotanais
 - Stenotanais [ACCEPTED GENUS 2296:7MWX nidx=null]
 + Stenotanais Bird & Holdich, 1984 [ACCEPTED GENUS 2298:84S8S nidx=null]
Stephanocoenia
 - Stephanocoenia [ACCEPTED GENUS 2296:7N2K nidx=null]
 + Stephanocoenia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84S8T nidx=null]
Stephanocyathus
 - Stephanocyathus [ACCEPTED GENUS 2296:7N2P nidx=null]
 + Stephanocyathus Seguenza, 1864 [ACCEPTED GENUS 2298:84S8V nidx=null]
Stephanogorgia
 - Stephanogorgia [ACCEPTED GENUS 2296:7N2Z nidx=null]
 + Stephanogorgia Bayer & Muzik, 1976 [ACCEPTED GENUS 2298:84S8X nidx=null]
Stephanophyllia
 - Stephanophyllia [ACCEPTED GENUS 2296:7N3Q nidx=null]
 + Stephanophyllia Michelin, 1841 [ACCEPTED GENUS 2298:84S8Y nidx=null]
Stephanoscyphistoma
 - Stephanoscyphistoma [ACCEPTED GENUS 2296:7N47 nidx=null]
 + Stephanoscyphistoma Jarms, 1990 [ACCEPTED GENUS 2298:84M79 nidx=null]
Stephanoscyphistoma mirabilis
 - Stephanoscyphistoma mirabilis (Allman, 1874) [ACCEPTED SPECIES 2296:52CNR nidx=null]
 + Stephanoscyphistoma mirabilis (Allman, 1874) [SYNONYM SPECIES 2298:84MFF nidx=null parent=45VFV]
Stephanoscyphistoma striatus
 - Stephanoscyphistoma striatus (Vanhöffen, 1910) [ACCEPTED SPECIES 2296:52CNS nidx=null]
 + Stephanoscyphistoma striatus (Vanhöffen, 1910) [SYNONYM SPECIES 2298:84MFH nidx=null parent=45VG2]
Stephanoscyphus mirabilis
 - Stephanoscyphus mirabilis Allman, 1874 [SYNONYM SPECIES 2296:52CNV nidx=null parent=52CNR]
 + Stephanoscyphus mirabilis Allman, 1874 [SYNONYM SPECIES 2298:84MFN nidx=null parent=45VFV]
Stephanoscyphus striatus
 - Stephanoscyphus striatus Vanhöffen, 1910 [SYNONYM SPECIES 2296:52CNX nidx=null parent=52CNS]
 + Stephanoscyphus striatus Vanhöffen, 1910 [SYNONYM SPECIES 2298:84MFS nidx=null parent=45VG2]
Stephenoscolex
 - Stephenoscolex [ACCEPTED GENUS 2296:7N53 nidx=null]
 + Stephenoscolex Conway Morris, 1979 [ACCEPTED GENUS 2298:84S92 nidx=null]
Stephensoniana
 - Stephensoniana [ACCEPTED GENUS 2296:7N59 nidx=null]
 + Stephensoniana Černosvitov, 1938 [ACCEPTED GENUS 2298:84S94 nidx=null]
Stephensoniella
 - Stephensoniella [ACCEPTED GENUS 2296:645YW nidx=null]
 + Stephensoniella Cernosvitov, 1934 [ACCEPTED GENUS 2298:84S95 nidx=null]
Stereochlamis
 - Stereochlamis [ACCEPTED GENUS 2296:7N6F nidx=null]
 + Stereochlamis Schrammen, 1912 [ACCEPTED GENUS 2298:84S96 nidx=null]
Stereonephthya
 - Stereonephthya [ACCEPTED GENUS 2296:63TYY nidx=null]
 + Stereonephthya Kükenthal, 1905 [ACCEPTED GENUS 2298:84S97 nidx=null]
Stereosoma
 - Stereosoma [ACCEPTED GENUS 2296:7N7R nidx=null]
 + Stereosoma Hickson, 1894 [ACCEPTED GENUS 2298:84S98 nidx=null]
Stereotelesto
 - Stereotelesto [ACCEPTED GENUS 2296:7N7Z nidx=null]
 + Stereotelesto Bayer, 1981 [ACCEPTED GENUS 2298:84S99 nidx=null]
Sternaspidae
 - Sternaspidae [ACCEPTED FAMILY 2296:GP6 nidx=null]
 + Sternaspidae Carus, 1863 [ACCEPTED FAMILY 2298:84KGQ nidx=null]
Sternaspis
 - Sternaspis [ACCEPTED GENUS 2296:7N92 nidx=null]
 + Sternaspis Otto, 1820 [ACCEPTED GENUS 2298:84S9B nidx=null]
Sternaspis monroi
 - Sternaspis monroi Salazar-Vallejo, 2014 [ACCEPTED SPECIES 2296:52F4X nidx=null]
 + Sternaspis monroi Salazar-Vallejo, 2014 [SYNONYM SPECIES 2298:852FG nidx=null parent=52F57]
Sterrastrolepis
 - Sterrastrolepis [ACCEPTED GENUS 2296:645YP nidx=null]
 + Sterrastrolepis Volkmer-Ribeiro & De Rosa Barbosa, 1978 [ACCEPTED GENUS 2298:84S9C nidx=null]
Steusloffia
 - Steusloffia [ACCEPTED GENUS 2296:7NCJ nidx=null]
 + Steusloffia Ulrich & Bassler, 1908 [ACCEPTED GENUS 2298:84S9D nidx=null]
Sthenelais
 - Sthenelais [ACCEPTED GENUS 2296:7NDS nidx=null]
 + Sthenelais Kinberg, 1856 [ACCEPTED GENUS 2298:84S9H nidx=null]
Sthenelais atlantica
 - Sthenelais atlantica McIntosh, 1876 [ACCEPTED SPECIES 2296:52HDN nidx=null]
 + Sthenelais atlantica McIntosh, 1876 [SYNONYM SPECIES 2298:852FH nidx=null parent=6J2J7]
Sthenelais leidyi
 - Sthenelais leidyi Quatrefages, 1866 [ACCEPTED SPECIES 2296:6ZS2N nidx=null]
 + Sthenelais leidyi Quatrefages, 1866 [SYNONYM SPECIES 2298:852FJ nidx=null parent=52HDS]
Sthenelanella
 - Sthenelanella [ACCEPTED GENUS 2296:7NDT nidx=null]
 + Sthenelanella Moore, 1910 [ACCEPTED GENUS 2298:84S9J nidx=null]
Sthenolepis
 - Sthenolepis [ACCEPTED GENUS 2296:645ZY nidx=null]
 + Sthenolepis Willey, 1905 [ACCEPTED GENUS 2298:84S9K nidx=null]
Sthenonia
 - Sthenonia [ACCEPTED GENUS 2296:63TZD nidx=null]
 + Sthenonia Eschscholtz, 1829 [ACCEPTED GENUS 2298:84M7C nidx=null]
Stichocorys
 - Stichocorys [ACCEPTED GENUS 2296:7NFN nidx=null]
 + Stichocorys Haeckel, 1881 [ACCEPTED GENUS 2298:84S9N nidx=null]
Stichostemma amphiporoides
 - Stichostemma amphiporoides [SYNONYM SPECIES 2296:52JCF nidx=null parent=7BSYF]
 + Stichostemma amphiporoides (Bürger, 1893) [SYNONYM SPECIES 2298:852FL nidx=null parent=7BSYF]
Stichostemma antarcticum
 - Stichostemma antarcticum [SYNONYM SPECIES 2296:52JCG nidx=null parent=7BSYC]
 + Stichostemma antarcticum (Bürger, 1893) [SYNONYM SPECIES 2298:852FM nidx=null parent=7BSYC]
Stichostemma duboisi
 - Stichostemma duboisi [SYNONYM SPECIES 2296:52JCH nidx=null parent=55SF9]
 + Stichostemma duboisi (Bürger, 1893) [SYNONYM SPECIES 2298:852FN nidx=null parent=55SF9]
Stichostemma georgianum
 - Stichostemma georgianum [SYNONYM SPECIES 2296:52JCJ nidx=null parent=55SFK]
 + Stichostemma georgianum (Bürger, 1893) [SYNONYM SPECIES 2298:852FP nidx=null parent=55SFK]
Stichostemma gulliveri
 - Stichostemma gulliveri [SYNONYM SPECIES 2296:52JCK nidx=null parent=48YDV]
 + Stichostemma gulliveri (Bürger, 1893) [SYNONYM SPECIES 2298:852FQ nidx=null parent=48YDV]
Stichostemma hansi
 - Stichostemma hansi [SYNONYM SPECIES 2296:52JCL nidx=null parent=55SFQ]
 + Stichostemma hansi (Bürger, 1893) [SYNONYM SPECIES 2298:852FR nidx=null parent=55SFQ]
Stigmatocythere
 - Stigmatocythere [ACCEPTED GENUS 2296:7NKY nidx=null]
 + Stigmatocythere Siddiqui, 1971 [ACCEPTED GENUS 2298:84S9P nidx=null]
Stolarskicyathus
 - Stolarskicyathus [ACCEPTED GENUS 2296:7NTW nidx=null]
 + Stolarskicyathus Cairns, 2004 [ACCEPTED GENUS 2298:84S9R nidx=null]
Stomolophidae
 - Stomolophidae [ACCEPTED FAMILY 2296:GQ9 nidx=null]
 + Stomolophidae Haeckel, 1880 [ACCEPTED FAMILY 2298:84KGS nidx=null]
Stomolophus
 - Stomolophus [ACCEPTED GENUS 2296:7NWW nidx=null]
 + Stomolophus Agassiz, 1860 [ACCEPTED GENUS 2298:84M7D nidx=null]
Stragulum
 - Stragulum [ACCEPTED GENUS 2296:7NZS nidx=null]
 + Stragulum van Ofwegen & Haddad, 2011 [ACCEPTED GENUS 2298:84S9T nidx=null]
Strandesia
 - Strandesia [ACCEPTED GENUS 2296:7P24 nidx=null]
 + Strandesia Stuhlmann, 1888 [ACCEPTED GENUS 2298:84S9V nidx=null]
Stratiodrilus
 - Stratiodrilus [ACCEPTED GENUS 2296:645N7 nidx=null]
 + Stratiodrilus Haswell, 1900 [ACCEPTED GENUS 2298:84S9W nidx=null]
Stratospongilla
 - Stratospongilla [ACCEPTED GENUS 2296:7P3S nidx=null]
 + Stratospongilla Annandale, 1909 [ACCEPTED GENUS 2298:84S9X nidx=null]
Stratospongilla gilsoni
 - Stratospongilla gilsoni (Topsent, 1912) [ACCEPTED SPECIES 2296:6ZY55 nidx=null]
 + Stratospongilla gilsoni (Topsent, 1912) [SYNONYM SPECIES 2298:852FV nidx=null parent=49JG4]
Streblosoma
 - Streblosoma [ACCEPTED GENUS 2296:7P4L nidx=null]
 + Streblosoma M. Sars in G.O. Sars, 1872 [ACCEPTED GENUS 2298:84S9Y nidx=null]
Streblosoma comatus
 - Streblosoma comatus (Grube, 1859) [ACCEPTED SPECIES 2296:52WZ7 nidx=null]
 + Streblosoma comatus (Grube, 1859) [SYNONYM SPECIES 2298:852FW nidx=null parent=852JL]
Streblospio
 - Streblospio [ACCEPTED GENUS 2296:7P4M nidx=null]
 + Streblospio Webster, 1879 [ACCEPTED GENUS 2298:84S9Z nidx=null]
Streblospio benedicti japonica
 - Streblospio benedicti japonica Imajima, 1990 [ACCEPTED INFRASPECIFIC_NAME 2296:5F66V nidx=null]
 + Streblospio benedicti japonica Imajima, 1990 [SYNONYM SUBSPECIES 2298:852PV nidx=null parent=85FGG]
Strepsichordaia
 - Strepsichordaia [ACCEPTED GENUS 2296:7P5M nidx=null]
 + Strepsichordaia Bergquist, Ayling & Wilkinson, 1988 [ACCEPTED GENUS 2298:84SB2 nidx=null]
Strepsichordaia radiata
 - Strepsichordaia radiata (Hyatt, 1877) [SYNONYM SPECIES 2296:52XBP nidx=null parent=77G2F]
 + Strepsichordaia radiata (Hyatt, 1877) [ACCEPTED SPECIES 2298:852FX nidx=null]
Strepternos
 - Strepternos [ACCEPTED GENUS 2296:7P66 nidx=null]
 + Strepternos Watson Russell, 1991 [ACCEPTED GENUS 2298:84SB3 nidx=null]
Streptodonta
 - Streptodonta [ACCEPTED GENUS 2296:7P6Y nidx=null]
 + Streptodonta San Martín & Hutchings, 2006 [ACCEPTED GENUS 2298:84SB4 nidx=null]
Streptoleberis
 - Streptoleberis [ACCEPTED GENUS 2296:7P78 nidx=null]
 + Streptoleberis Brady, 1890 [ACCEPTED GENUS 2298:84SB5 nidx=null]
Streptospinigera
 - Streptospinigera [ACCEPTED GENUS 2296:7P7Y nidx=null]
 + Streptospinigera Kudenov, 1983 [ACCEPTED GENUS 2298:84SB6 nidx=null]
Streptosyllis
 - Streptosyllis [ACCEPTED GENUS 2296:7P86 nidx=null]
 + Streptosyllis Webster & Benedict, 1884 [ACCEPTED GENUS 2298:84SB7 nidx=null]
Strobilanthes sarcorrhizus
 - Strobilanthes sarcorrhizus (C. Ling) C. Z. Zheng [SYNONYM SPECIES 2296:5335M nidx=null parent=5335N]
 + Strobilanthes sarcorrhizus (C. Ling) C. Z. Zheng [SYNONYM SPECIES 2298:84YWP nidx=null parent=5335N]
Strobilocythere
 - Strobilocythere [ACCEPTED GENUS 2296:7PD6 nidx=null]
 + Strobilocythere Jellinek, 1990 [ACCEPTED GENUS 2298:84SB8 nidx=null]
Stromatospongia
 - Stromatospongia [ACCEPTED GENUS 2296:645Q6 nidx=null]
 + Stromatospongia Hartman, 1969 [ACCEPTED GENUS 2298:84SBB nidx=null]
Strongylacidon
 - Strongylacidon [ACCEPTED GENUS 2296:7PFD nidx=null]
 + Strongylacidon Lendenfeld, 1897 [ACCEPTED GENUS 2298:84SBC nidx=null]
Strongylamma
 - Strongylamma [ACCEPTED GENUS 2296:7PFF nidx=null]
 + Strongylamma Hallmann, 1917 [ACCEPTED GENUS 2298:84SBD nidx=null]
Strongylodesma
 - Strongylodesma [ACCEPTED GENUS 2296:7PFS nidx=null]
 + Strongylodesma Lévi, 1969 [ACCEPTED GENUS 2298:84SBF nidx=null]
Struthanthus phylliraeoides
 - Struthanthus phylliraeoides (Kunth) G. Don [SYNONYM SPECIES 2296:536MF nidx=null parent=536MG]
 + Struthanthus phylliraeoides (Kunth) G. Don [SYNONYM SPECIES 2298:84YWX nidx=null parent=536MG]
Struwela
 - Struwela [ACCEPTED GENUS 2296:7PK8 nidx=null]
 + Struwela Hartmann-Schröder, 1959 [ACCEPTED GENUS 2298:84SBJ nidx=null]
Stryphnus
 - Stryphnus [ACCEPTED GENUS 2296:7PKG nidx=null]
 + Stryphnus Sollas, 1886 [ACCEPTED GENUS 2298:84SBK nidx=null]
Stschapovella
 - Stschapovella [ACCEPTED GENUS 2296:7PKH nidx=null]
 + Stschapovella Levenstein, 1957 [ACCEPTED GENUS 2298:84SBL nidx=null]
Studeriotes
 - Studeriotes [ACCEPTED GENUS 2296:7PKY nidx=null]
 + Studeriotes Thomson & Simpson, 1909 [ACCEPTED GENUS 2298:84SBM nidx=null]
Stupenda
 - Stupenda [ACCEPTED GENUS 2296:7PL9 nidx=null]
 + Stupenda Kelly & Cárdenas, 2016 [ACCEPTED GENUS 2298:84SBN nidx=null]
Stupendidae
 - Stupendidae [ACCEPTED FAMILY 2296:GRL nidx=null]
 + Stupendidae Kelly & Cárdenas, 2016 [ACCEPTED FAMILY 2298:84KGT nidx=null]
Stygiomedusa
 - Stygiomedusa [ACCEPTED GENUS 2296:7PMW nidx=null]
 + Stygiomedusa Russell, 1959 [ACCEPTED GENUS 2298:84M7F nidx=null]
Stygocapitella
 - Stygocapitella [ACCEPTED GENUS 2296:7PNH nidx=null]
 + Stygocapitella Knöllner, 1934 [ACCEPTED GENUS 2298:84SBP nidx=null]
Stylaraea
 - Stylaraea [ACCEPTED GENUS 2296:7PPP nidx=null]
 + Stylaraea Milne Edwards & Haime, 1851 [ACCEPTED GENUS 2298:84SBQ nidx=null]
Stylaria
 - Stylaria [ACCEPTED GENUS 2296:7PPQ nidx=null]
 + Stylaria Lamarck, 1816 [ACCEPTED GENUS 2298:84SBR nidx=null]
Stylarioides
 - Stylarioides [ACCEPTED GENUS 2296:7PPR nidx=null]
 + Stylarioides Delle Chiaje, 1831 [ACCEPTED GENUS 2298:84SBS nidx=null]
Stylarioides eruca indica
 - Stylarioides eruca indica Fauvel, 1928 [SYNONYM SUBSPECIES 2296:5LC7B nidx=null parent=7HS4Z]
 + Stylarioides eruca indica Fauvel, 1928 [SYNONYM SUBSPECIES 2298:852RZ nidx=null parent=85FMJ]
Stylarioides longisetosus
 - Stylarioides longisetosus Marenzeller, 1890 [SYNONYM SPECIES 2296:538XT nidx=null parent=36JVT]
 + Stylarioides longisetosus Marenzeller, 1890 [SYNONYM SPECIES 2298:852FY nidx=null parent=85FCX]
Stylatula
 - Stylatula [ACCEPTED GENUS 2296:7PPY nidx=null]
 + Stylatula Verrill, 1864 [ACCEPTED GENUS 2298:84SBT nidx=null]
Stylaxinella stuposa
 - Stylaxinella stuposa (Esper, 1794) [SYNONYM SPECIES 2296:53958 nidx=null parent=7DGXC]
 + Stylaxinella stuposa (Esper, 1794) [SYNONYM SPECIES 2298:852FZ nidx=null parent=84Z4R]
Stylidium armerium
 - Stylidium armerium St.-Lag. [SYNONYM SPECIES 2296:5397N nidx=null parent=6ZZSB]
 + Stylidium armerium St.-Lag. [SYNONYM SPECIES 2298:84YWZ nidx=null parent=6ZZSB]
Stylinidae
 - Stylinidae [ACCEPTED FAMILY 2296:GS6 nidx=null]
 + Stylinidae d'Orbigny, 1851 [ACCEPTED FAMILY 2298:84KGV nidx=null]
Stylinos digitata
 - Stylinos digitata (Schmidt, 1866) [SYNONYM SPECIES 2296:539K2 nidx=null parent=7DGXC]
 + Stylinos digitata (Schmidt, 1866) [SYNONYM SPECIES 2298:852G2 nidx=null parent=84Z4R]
Stylinos stuposus
 - Stylinos stuposus (Esper, 1794) [SYNONYM SPECIES 2296:539K7 nidx=null parent=7DGXC]
 + Stylinos stuposus (Esper, 1794) [SYNONYM SPECIES 2298:852G3 nidx=null parent=84Z4R]
Stylissa
 - Stylissa [ACCEPTED GENUS 2296:7PQG nidx=null]
 + Stylissa Hallmann, 1914 [ACCEPTED GENUS 2298:84SBV nidx=null]
Stylocoenia
 - Stylocoenia [ACCEPTED GENUS 2296:7PRC nidx=null]
 + Stylocoenia Milne Edwards & Haime, 1849 [ACCEPTED GENUS 2298:84SBW nidx=null]
Stylocoeniella
 - Stylocoeniella [ACCEPTED GENUS 2296:7PRD nidx=null]
 + Stylocoeniella Yabe & Sugiyama, 1935 [ACCEPTED GENUS 2298:84SBX nidx=null]
Stylocordyla
 - Stylocordyla [ACCEPTED GENUS 2296:7PRG nidx=null]
 + Stylocordyla Thomson, 1873 [ACCEPTED GENUS 2298:84SBY nidx=null]
Stylocordylidae
 - Stylocordylidae [ACCEPTED FAMILY 2296:GSG nidx=null]
 + Stylocordylidae Topsent, 1892 [ACCEPTED FAMILY 2298:84KGW nidx=null]
Stylocoronella
 - Stylocoronella [ACCEPTED GENUS 2296:7PRH nidx=null]
 + Stylocoronella Salvini-Plawen, 1966 [ACCEPTED GENUS 2298:84SBZ nidx=null]
Stylodrilus
 - Stylodrilus [ACCEPTED GENUS 2296:7PRT nidx=null]
 + Stylodrilus Claparède, 1862 [ACCEPTED GENUS 2298:84SC2 nidx=null]
Stylomma
 - Stylomma [ACCEPTED GENUS 2296:7PSC nidx=null]
 + Stylomma Knight-Jones, 1997 [ACCEPTED GENUS 2298:84SC3 nidx=null]
Stylopallene
 - Stylopallene [ACCEPTED GENUS 2296:7PSP nidx=null]
 + Stylopallene Clark, 1963 [ACCEPTED GENUS 2298:84SC4 nidx=null]
Stylopus longurius var. antarcticus
 - Stylopus longurius var. antarcticus (Hentschel, 1914) [SYNONYM VARIETY 2296:5RPQT nidx=null parent=6MPH6]
 + Stylopus longurius var. antarcticus (Hentschel, 1914) [SYNONYM VARIETY 2298:852WF nidx=null parent=85SYB]
Styloscolex
 - Styloscolex [ACCEPTED GENUS 2296:7PTJ nidx=null]
 + Styloscolex Michaelsen, 1901 [ACCEPTED GENUS 2298:84SC6 nidx=null]
Stylotella inornata
 - Stylotella inornata (Bowerbank, 1874) [SYNONYM SPECIES 2296:53B88 nidx=null parent=7DGXC]
 + Stylotella inornata (Bowerbank, 1874) [SYNONYM SPECIES 2298:852G5 nidx=null parent=84Z4R]
Stylotella irregularis
 - Stylotella irregularis Kirkpatrick, 1900 [SYNONYM SPECIES 2296:53B89 nidx=null parent=3JCLB]
 + Stylotella irregularis Kirkpatrick, 1900 [SYNONYM SPECIES 2298:852G6 nidx=null parent=85SX3]
Stylotella simplissima
 - Stylotella simplissima Procter, 1933 [SYNONYM SPECIES 2296:53B8H nidx=null parent=3NHY3]
 + Stylotella simplissima [AMBIGUOUS_SYNONYM SPECIES 2298:852G7 nidx=null parent=3NHY3]
Stylotella topsenti
 - Stylotella topsenti Arnesen, 1920 [SYNONYM SPECIES 2296:53B8M nidx=null parent=7DGXC]
 + Stylotella topsenti Arnesen, 1920 [SYNONYM SPECIES 2298:852G8 nidx=null parent=84Z4R]
Subadyte
 - Subadyte [ACCEPTED GENUS 2296:7PWL nidx=null]
 + Subadyte Pettibone, 1969 [ACCEPTED GENUS 2298:84SC9 nidx=null]
Suberea
 - Suberea [ACCEPTED GENUS 2296:7PXZ nidx=null]
 + Suberea Bergquist, 1995 [ACCEPTED GENUS 2298:84SCB nidx=null]
Suberella topsenti
 - Suberella topsenti Burton, 1929 [SYNONYM SPECIES 2296:53D42 nidx=null parent=53D8T]
 + Suberella topsenti Burton, 1929 [SYNONYM SPECIES 2298:852G9 nidx=null parent=85SXL]
Subergorgia
 - Subergorgia [ACCEPTED GENUS 2296:7PY2 nidx=null]
 + Subergorgia Gray, 1857 [ACCEPTED GENUS 2298:84SCC nidx=null]
Subergorgiidae
 - Subergorgiidae [ACCEPTED FAMILY 2296:626LR nidx=null]
 + Subergorgiidae Gray, 1859 [ACCEPTED FAMILY 2298:84KGX nidx=null]
Suberites
 - Suberites [ACCEPTED GENUS 2296:7PY3 nidx=null]
 + Suberites Nardo, 1833 [ACCEPTED GENUS 2298:84SCD nidx=null]
Suberites compactus
 - Suberites compactus Verrill, 1873 [ACCEPTED SPECIES 2296:53D5F nidx=null]
 + Suberites compactus Verrill, 1873 [AMBIGUOUS_SYNONYM SPECIES 2298:852GC nidx=null parent=85T9B]
Suberites ramosus
 - Suberites ramosus Brøndsted, 1924 [ACCEPTED SPECIES 2296:53D84 nidx=null]
 + Suberites ramosus Brøndsted, 1924 [SYNONYM SPECIES 2298:852GF nidx=null parent=85T97]
Suberites ramulosus var. cylindrifera
 - Suberites ramulosus var. cylindrifera Ridley & Dendy, 1886 [SYNONYM VARIETY 2296:5RPVF nidx=null parent=5R6LB]
 + Suberites ramulosus var. cylindrifera Ridley & Dendy, 1886 [SYNONYM VARIETY 2298:852WG nidx=null parent=796V5]
Suberites topsenti
 - Suberites topsenti (Burton, 1929) [ACCEPTED SPECIES 2296:53D8T nidx=null]
 + Suberites topsenti (Burton, 1929) [SYNONYM SPECIES 2298:852GG nidx=null parent=85SXL]
Suberitida
 - Suberitida [ACCEPTED ORDER 2296:46F nidx=null]
 + Suberitida Chombard & Boury-Esnault, 1999 [ACCEPTED ORDER 2298:84JWT nidx=null]
Suberitidae
 - Suberitidae [ACCEPTED FAMILY 2296:GSV nidx=null]
 + Suberitidae Schmidt, 1870 [ACCEPTED FAMILY 2298:84KGY nidx=null]
Subulella
 - Subulella [ACCEPTED GENUS 2296:7Q39 nidx=null]
 + Subulella Holdich & Bird, 1986 [ACCEPTED GENUS 2298:84SCF nidx=null]
Sulcastrella
 - Sulcastrella [ACCEPTED GENUS 2296:7Q7S nidx=null]
 + Sulcastrella Schmidt, 1879 [ACCEPTED GENUS 2298:84SCG nidx=null]
Sulcostocythere
 - Sulcostocythere [ACCEPTED GENUS 2296:7Q8T nidx=null]
 + Sulcostocythere Benson & Maddocks, 1964 [ACCEPTED GENUS 2298:84SCH nidx=null]
Sundbergia
 - Sundbergia [ACCEPTED GENUS 2296:7QCM nidx=null]
 + Sundbergia Gibson, 2002 [ACCEPTED GENUS 2298:84SCJ nidx=null]
Svenzea
 - Svenzea [ACCEPTED GENUS 2296:7QJJ nidx=null]
 + Svenzea Alvarez, van Soest & Rützler, 2002 [ACCEPTED GENUS 2298:84SCL nidx=null]
Svetlovia
 - Svetlovia [ACCEPTED GENUS 2296:7QJQ nidx=null]
 + Svetlovia Čekanovskaya, 1975 [ACCEPTED GENUS 2298:84SCS nidx=null]
Swainocythere
 - Swainocythere [ACCEPTED GENUS 2296:7QJW nidx=null]
 + Swainocythere Ishizaki, 1981 [ACCEPTED GENUS 2298:84SCM nidx=null]
Swansonella
 - Swansonella [ACCEPTED GENUS 2296:7QKB nidx=null]
 + Swansonella Guise, 2001 [ACCEPTED GENUS 2298:84SD4 nidx=null]
Swansonites
 - Swansonites [ACCEPTED GENUS 2296:7QKC nidx=null]
 + Swansonites Milhau, 1993 [ACCEPTED GENUS 2298:84SD5 nidx=null]
Swartschewskia
 - Swartschewskia [ACCEPTED GENUS 2296:7QKF nidx=null]
 + Swartschewskia Makuschok, 1927 [ACCEPTED GENUS 2298:84SCN nidx=null]
Swiftia
 - Swiftia [ACCEPTED GENUS 2296:7QL3 nidx=null]
 + Swiftia Duchassaing & Michelotti, 1864 [ACCEPTED GENUS 2298:84SCP nidx=null]
Swima
 - Swima [ACCEPTED GENUS 2296:7QL5 nidx=null]
 + Swima Osborn, Haddock, Pleijel, Madin & Rouse, 2009 [ACCEPTED GENUS 2298:84SD6 nidx=null]
Swireapseudes
 - Swireapseudes [ACCEPTED GENUS 2296:645SQ nidx=null]
 + Swireapseudes Bamber, 1997 [ACCEPTED GENUS 2298:84SD7 nidx=null]
Sycandra
 - Sycandra [ACCEPTED GENUS 2296:63TSP nidx=null]
 + Sycandra Haeckel, 1872 [ACCEPTED GENUS 2298:84SCQ nidx=null]
Sycantha
 - Sycantha [ACCEPTED GENUS 2296:7QMF nidx=null]
 + Sycantha Lendenfeld, 1891 [ACCEPTED GENUS 2298:84SCR nidx=null]
Sycanthidae
 - Sycanthidae [ACCEPTED FAMILY 2296:626M4 nidx=null]
 + Sycanthidae Lendenfeld, 1891 [ACCEPTED FAMILY 2298:84KGZ nidx=null]
Sycetta
 - Sycetta [ACCEPTED GENUS 2296:7QMJ nidx=null]
 + Sycetta Haeckel, 1872 [ACCEPTED GENUS 2298:84SCT nidx=null]
Sycettaga
 - Sycettaga [ACCEPTED GENUS 2296:7QMK nidx=null]
 + Sycettaga Haeckel, 1872 [ACCEPTED GENUS 2298:84SCV nidx=null]
Sycettidae
 - Sycettidae [ACCEPTED FAMILY 2296:GTV nidx=null]
 + Sycettidae Dendy, 1893 [ACCEPTED FAMILY 2298:84KH2 nidx=null]
Sycettusa
 - Sycettusa [ACCEPTED GENUS 2296:7QML nidx=null]
 + Sycettusa Haeckel, 1872 [ACCEPTED GENUS 2298:84SCW nidx=null]
Sycinula penicillata
 - Sycinula penicillata Schmidt, 1869 [SYNONYM SPECIES 2296:53LPH nidx=null parent=724BQ]
 + Sycinula penicillata Schmidt, 1869 [ACCEPTED SPECIES 2298:852GH nidx=null]
Sycodorus
 - Sycodorus [ACCEPTED GENUS 2296:7QN2 nidx=null]
 + Sycodorus Haeckel, 1872 [ACCEPTED GENUS 2298:84SCX nidx=null]
Sycon
 - Sycon [ACCEPTED GENUS 2296:7QN6 nidx=null]
 + Sycon Risso, 1827 [ACCEPTED GENUS 2298:84SCY nidx=null]
Sycon ampullum
 - Sycon ampullum (Haeckel, 1879) [SYNONYM SPECIES 2296:7B5BM nidx=null parent=53LRD]
 + Sycon ampullum [SYNONYM SPECIES 2298:852GJ nidx=null parent=53LRD]
Sycon humboldtii
 - Sycon humboldtii (Risso, 1826) [SYNONYM SPECIES 2296:53LSR nidx=null parent=53LSQ]
 + Sycon humboldtii [SYNONYM SPECIES 2298:852GK nidx=null parent=53LSQ]
Syconessa
 - Syconessa [ACCEPTED GENUS 2296:7QN7 nidx=null]
 + Syconessa Borojevic, Boury-Esnault & Vacelet, 2000 [ACCEPTED GENUS 2298:84SCZ nidx=null]
Sycute
 - Sycute [ACCEPTED GENUS 2296:7QNN nidx=null]
 + Sycute Dendy & Row, 1913 [ACCEPTED GENUS 2298:84SD2 nidx=null]
Sycyssa
 - Sycyssa [ACCEPTED GENUS 2296:7QNP nidx=null]
 + Sycyssa Haeckel, 1872 [ACCEPTED GENUS 2298:84SD3 nidx=null]
Syllidae
 - Syllidae [ACCEPTED FAMILY 2296:GTY nidx=null]
 + Syllidae Grube, 1850 [ACCEPTED FAMILY 2298:84KH3 nidx=null]
Syllides
 - Syllides [ACCEPTED GENUS 2296:7QPK nidx=null]
 + Syllides Örsted, 1845 [ACCEPTED GENUS 2298:84SD8 nidx=null]
Syllidia
 - Syllidia [ACCEPTED GENUS 2296:7QPL nidx=null]
 + Syllidia Quatrefages, 1865 [ACCEPTED GENUS 2298:84SD9 nidx=null]
Syllis
 - Syllis [ACCEPTED GENUS 2296:7QPP nidx=null]
 + Syllis Lamarck, 1818 [ACCEPTED GENUS 2298:84SDB nidx=null]
Syllis (Ehlersia) anops
 - Syllis (Ehlersia) anops Ehlers, 1897 [SYNONYM SPECIES 2296:53MMT nidx=null parent=59YN4]
 + Syllis (Ehlersia) anops Ehlers, 1897 [SYNONYM SPECIES 2298:852GL nidx=null parent=84YV6]
Syllis (Typosyllis) bilineata
 - Syllis (Typosyllis) bilineata Zachs, 1933 [SYNONYM SPECIES 2296:53MNQ nidx=null parent=5F6J7]
 + Syllis (Typosyllis) bilineata Zachs, 1933 [SYNONYM SPECIES 2298:852GM nidx=null parent=84ZK3]
Syllis (Typosyllis) bouvieri
 - Syllis (Typosyllis) bouvieri Gravier, 1900 [SYNONYM SPECIES 2296:53MNR nidx=null parent=53MW3]
 + Syllis (Typosyllis) bouvieri Gravier, 1900 [SYNONYM SPECIES 2298:852GN nidx=null parent=84YV7]
Syllis (Typosyllis) kurilensis
 - Syllis (Typosyllis) kurilensis Chlebovitsch, 1959 [SYNONYM SPECIES 2296:53MPG nidx=null parent=5F6J6]
 + Syllis (Typosyllis) kurilensis Chlebovitsch, 1959 [SYNONYM SPECIES 2298:852GP nidx=null parent=85FN8]
Syllis amata
 - Syllis amata Cognetti, 1957 [SYNONYM SPECIES 2296:53MQF nidx=null parent=7H6ZC]
 + Syllis amata [auct. misspelling] [SYNONYM SPECIES 2298:852GQ nidx=null parent=7H6ZC]
Syllis bouvieri
 - Syllis bouvieri Gravier, 1900 [SYNONYM SPECIES 2296:53MR2 nidx=null parent=53MW3]
 + Syllis bouvieri Gravier, 1900 [ACCEPTED SPECIES 2298:84YV7 nidx=null]
Syllis brevipennis
 - Syllis brevipennis (Grube, 1863) [SYNONYM SPECIES 2296:53MRB nidx=null parent=59FH6]
 + Syllis brevipennis (Grube, 1863) [SYNONYM SPECIES 2298:852GR nidx=null parent=4PCH8]
Syllis complanata
 - Syllis complanata Treadwell, 1901 [SYNONYM SPECIES 2296:53MRS nidx=null parent=59YNY]
 + Syllis complanata Treadwell, 1901 [ACCEPTED SPECIES 2298:852GS nidx=null]
Syllis gracilis
 - Syllis gracilis Schmarda, 1861 [AMBIGUOUS_SYNONYM SPECIES 2296:53MT6 nidx=null parent=59YN4]
 + Syllis gracilis Schmarda, 1861 [AMBIGUOUS_SYNONYM SPECIES 2298:84YV8 nidx=null parent=84YV6]
Syllis okadai
 - Syllis okadai Fauvel, 1934 [SYNONYM SPECIES 2296:53MVJ nidx=null parent=59YR3]
 + Syllis okadai Fauvel, 1934 [ACCEPTED SPECIES 2298:852GT nidx=null]
Syllis stewarti
 - Syllis stewarti Berkeley & Berkeley, 1941 [SYNONYM SPECIES 2296:53MWX nidx=null parent=59YRT]
 + Syllis stewarti Berkeley & Berkeley, 1942 [ACCEPTED SPECIES 2298:852GV nidx=null]
Sylphella
 - Sylphella [ACCEPTED GENUS 2296:7QPX nidx=null]
 + Sylphella Rodriguez, Fend & Lenat, 2014 [ACCEPTED GENUS 2298:84SDC nidx=null]
Sympagella
 - Sympagella [ACCEPTED GENUS 2296:63TT5 nidx=null]
 + Sympagella Schmidt, 1870 [ACCEPTED GENUS 2298:84SDH nidx=null]
Symplectella
 - Symplectella [ACCEPTED GENUS 2296:7QX8 nidx=null]
 + Symplectella Dendy, 1924 [ACCEPTED GENUS 2298:84SDL nidx=null]
Sympodangia
 - Sympodangia [ACCEPTED GENUS 2296:7QXM nidx=null]
 + Sympodangia Cairns & Zibrowius, 1997 [ACCEPTED GENUS 2298:84SDM nidx=null]
Sympodium
 - Sympodium [ACCEPTED GENUS 2296:7QXV nidx=null]
 + Sympodium Ehrenberg, 1834 [ACCEPTED GENUS 2298:84SDV nidx=null]
Synanarthrura
 - Synanarthrura [ACCEPTED GENUS 2296:7QZF nidx=null]
 + Synanarthrura Bird, 2004 [ACCEPTED GENUS 2298:84SDX nidx=null]
Synapseudes
 - Synapseudes [ACCEPTED GENUS 2296:7QZZ nidx=null]
 + Synapseudes Miller, 1940 [ACCEPTED GENUS 2298:84SDN nidx=null]
Synaptotanais
 - Synaptotanais [ACCEPTED GENUS 2296:7R2X nidx=null]
 + Synaptotanais Sieg, 1980 [ACCEPTED GENUS 2298:84SDP nidx=null]
Synasterope
 - Synasterope [ACCEPTED GENUS 2296:7R3M nidx=null]
 + Synasterope Kornicker, 1975 [ACCEPTED GENUS 2298:84SDQ nidx=null]
Synclinophora
 - Synclinophora [ACCEPTED GENUS 2296:7R59 nidx=null]
 + Synclinophora Eisenack, 1975 [ACCEPTED GENUS 2298:84SF3 nidx=null]
Synelmis
 - Synelmis [ACCEPTED GENUS 2296:7R87 nidx=null]
 + Synelmis Chamberlin, 1919 [ACCEPTED GENUS 2298:84SDR nidx=null]
Syngenodrilidae
 - Syngenodrilidae [ACCEPTED FAMILY 2296:GV2 nidx=null]
 + Syngenodrilidae Smith & Green, 1919 [ACCEPTED FAMILY 2298:84KH4 nidx=null]
Syngenodrilus
 - Syngenodrilus [ACCEPTED GENUS 2296:7R9M nidx=null]
 + Syngenodrilus F. Smith & B.R. Green, 1919 [ACCEPTED GENUS 2298:84SDT nidx=null]
Synmerosyllis
 - Synmerosyllis [ACCEPTED GENUS 2296:645TY nidx=null]
 + Synmerosyllis San Martín, López & Aguado, 2009 [ACCEPTED GENUS 2298:84SF6 nidx=null]
Synsyllis
 - Synsyllis [ACCEPTED GENUS 2296:63TTL nidx=null]
 + Synsyllis Verrill, 1900 [ACCEPTED GENUS 2298:84SF7 nidx=null]
Synute
 - Synute [ACCEPTED GENUS 2296:7RH5 nidx=null]
 + Synute Dendy, 1892 [ACCEPTED GENUS 2298:84SF2 nidx=null]
Tabachnickia
 - Tabachnickia [ACCEPTED GENUS 2296:7RQ3 nidx=null]
 + Tabachnickia Özdikmen, 2010 [ACCEPTED GENUS 2298:84SFF nidx=null]
Tabanus nigerrima
 - Tabanus nigerrima Zetterstedt, 1842 [SYNONYM SPECIES 2296:548KW nidx=null parent=6MHZD]
 - Tabanus nigerrima Gravenhorst, 1807 [SYNONYM SPECIES 2296:548KX nidx=null parent=3MYCL]
 + Tabanus nigerrima Gravenhorst, 1807 [SYNONYM SPECIES 2298:8526W nidx=null parent=3MYCL]
 + Tabanus nigerrima Zetterstedt, 1842 [SYNONYM SPECIES 2298:8526X nidx=null parent=6MHZD]
Tabulocalyx
 - Tabulocalyx [ACCEPTED GENUS 2296:7RQY nidx=null]
 + Tabulocalyx Pulitzer-Finali, 1993 [ACCEPTED GENUS 2298:84SF4 nidx=null]
Tachytrypane
 - Tachytrypane [ACCEPTED GENUS 2296:645GM nidx=null]
 + Tachytrypane McIntosh in Jeffreys, 1876 [ACCEPTED GENUS 2298:84SF5 nidx=null]
Taiaroa
 - Taiaroa [ACCEPTED GENUS 2296:63TG6 nidx=null]
 + Taiaroa Bayer & Muzik, 1976 [ACCEPTED GENUS 2298:84SFM nidx=null]
Taiaroidae
 - Taiaroidae [ACCEPTED FAMILY 2296:GW8 nidx=null]
 + Taiaroidae Bayer & Muzik, 1976 [ACCEPTED FAMILY 2298:84KH5 nidx=null]
Tainokia
 - Tainokia [ACCEPTED GENUS 2296:7S2H nidx=null]
 + Tainokia Knox & Green, 1972 [ACCEPTED GENUS 2298:84SF8 nidx=null]
Tambalagamia
 - Tambalagamia [ACCEPTED GENUS 2296:645HL nidx=null]
 + Tambalagamia Pillai, 1961 [ACCEPTED GENUS 2298:84SFS nidx=null]
Tanabnormia
 - Tanabnormia [ACCEPTED GENUS 2296:7SCJ nidx=null]
 + Tanabnormia Gutu, 1986 [ACCEPTED GENUS 2298:84SFX nidx=null]
Tanaella
 - Tanaella [ACCEPTED GENUS 2296:7SCR nidx=null]
 + Tanaella Norman & Stebbing, 1886 [ACCEPTED GENUS 2298:84SFH nidx=null]
Tanaellidae
 - Tanaellidae [ACCEPTED FAMILY 2296:GWS nidx=null]
 + Tanaellidae Larsen & Wilson, 2002 [ACCEPTED FAMILY 2298:84KH6 nidx=null]
Tanaididae
 - Tanaididae [ACCEPTED FAMILY 2296:GWT nidx=null]
 + Tanaididae Nobili, 1906 [ACCEPTED FAMILY 2298:84KH7 nidx=null]
Tanaidoidea
 - Tanaidoidea [ACCEPTED SUPERFAMILY 2296:5Q3 nidx=null]
 + Tanaidoidea Nobili, 1906 [ACCEPTED SUPERFAMILY 2298:84JYP nidx=null]
Tanais
 - Tanais [ACCEPTED GENUS 2296:63TGV nidx=null]
 + Tanais Latreille, 1831 [ACCEPTED GENUS 2298:84SFK nidx=null]
Tanaissuidae
 - Tanaissuidae [ACCEPTED FAMILY 2296:626MZ nidx=null]
 + Tanaissuidae Bird & Larsen, 2009 [ACCEPTED FAMILY 2298:84KH8 nidx=null]
Tanaissus
 - Tanaissus [ACCEPTED GENUS 2296:7SCW nidx=null]
 + Tanaissus Norman & Scott, 1906 [ACCEPTED GENUS 2298:84SFL nidx=null]
Tanaopsidae
 - Tanaopsidae [ACCEPTED FAMILY 2296:GWX nidx=null]
 + Tanaopsidae Błażewicz-Paszkowycz & Bamber, 2012 [ACCEPTED FAMILY 2298:84KHC nidx=null]
Tanaopsis
 - Tanaopsis [ACCEPTED GENUS 2296:7SDG nidx=null]
 + Tanaopsis Sars, 1899 [ACCEPTED GENUS 2298:84SFN nidx=null]
Tanapseudes
 - Tanapseudes [ACCEPTED GENUS 2296:7SDP nidx=null]
 + Tanapseudes Bacescu, 1978 [ACCEPTED GENUS 2298:84SFP nidx=null]
Tanchuanoleberis
 - Tanchuanoleberis [ACCEPTED GENUS 2296:7SDV nidx=null]
 + Tanchuanoleberis Hu & Tao, 2008 [ACCEPTED GENUS 2298:84SFY nidx=null]
Tanella
 - Tanella [ACCEPTED GENUS 2296:645J2 nidx=null]
 + Tanella Kingma, 1948 [ACCEPTED GENUS 2298:84SFQ nidx=null]
Tanella dedeckeri
 - Tanella dedeckeri Swanson, 1980 [ACCEPTED SPECIES 2296:54P3Q nidx=null]
 + Tanella dedeckeri Swanson, 1980 [SYNONYM SPECIES 2298:852GY nidx=null parent=44KWW]
Tangalooma
 - Tangalooma [ACCEPTED GENUS 2296:63THQ nidx=null]
 + Tangalooma Bamber, 2008 [ACCEPTED GENUS 2298:84SG2 nidx=null]
Tanseimaruana
 - Tanseimaruana [ACCEPTED GENUS 2296:7SG3 nidx=null]
 + Tanseimaruana Imajima, Reuscher & Fiege, 2013 [ACCEPTED GENUS 2298:84SG3 nidx=null]
Tanturia
 - Tanturia [ACCEPTED GENUS 2296:7SGK nidx=null]
 + Tanturia Ben-Eliahu, 1976 [ACCEPTED GENUS 2298:84SG5 nidx=null]
Tanycypris
 - Tanycypris [ACCEPTED GENUS 2296:7SH8 nidx=null]
 + Tanycypris Triebel, 1959 [ACCEPTED GENUS 2298:84SG6 nidx=null]
Tanystylum
 - Tanystylum [ACCEPTED GENUS 2296:7SJP nidx=null]
 + Tanystylum Miers, 1879 [ACCEPTED GENUS 2298:84SFT nidx=null]
Tanystylum cavidorsum
 - Tanystylum cavidorsum Clark, 1972 non-Stock, 1957 [SYNONYM SPECIES 2296:54QFQ nidx=null parent=54QFD]
 + Tanystylum cavidorsum Clark, 1972 non-Stock, 1957 [MISAPPLIED SPECIES 2298:84YVW nidx=null parent=54QFD]
Tanystylum intermedium
 - Tanystylum intermedium Hedgpeth, 1940 non-Cole, 1904 [SYNONYM SPECIES 2296:54QGC nidx=null parent=54QFP]
 + Tanystylum intermedium Hedgpeth, 1940 non-Cole, 1904 [MISAPPLIED SPECIES 2298:84YVX nidx=null parent=54QFP]
Tanzanapseudes
 - Tanzanapseudes [ACCEPTED GENUS 2296:7SK2 nidx=null]
 + Tanzanapseudes Bacescu, 1975 [ACCEPTED GENUS 2298:84SFV nidx=null]
Tanzanapseudidae
 - Tanzanapseudidae [ACCEPTED FAMILY 2296:626NB nidx=null]
 + Tanzanapseudidae Bacescu, 1975 [ACCEPTED FAMILY 2298:84KH9 nidx=null]
Tanzanicythere
 - Tanzanicythere [ACCEPTED GENUS 2296:7SK6 nidx=null]
 + Tanzanicythere Ahmad, 1977 [ACCEPTED GENUS 2298:84SG7 nidx=null]
Taonura
 - Taonura [ACCEPTED GENUS 2296:7SKQ nidx=null]
 + Taonura Carter, 1882 [ACCEPTED GENUS 2298:84SFW nidx=null]
Taracythere
 - Taracythere [ACCEPTED GENUS 2296:7SRF nidx=null]
 + Taracythere Ayress, 1995 [ACCEPTED GENUS 2298:84SG9 nidx=null]
Taraxapseudes
 - Taraxapseudes [ACCEPTED GENUS 2296:7SSG nidx=null]
 + Taraxapseudes Santos & Hansknecht, 2007 [ACCEPTED GENUS 2298:84SGB nidx=null]
Tarrhomyos
 - Tarrhomyos [ACCEPTED GENUS 2296:63TL2 nidx=null]
 + Tarrhomyos Riser, 1993 [ACCEPTED GENUS 2298:84SGC nidx=null]
Tasmanocypris
 - Tasmanocypris [ACCEPTED GENUS 2296:7SY8 nidx=null]
 + Tasmanocypris McKenzie, 1979 [ACCEPTED GENUS 2298:84SGD nidx=null]
Tasserkidrilus
 - Tasserkidrilus [ACCEPTED GENUS 2296:7SZG nidx=null]
 + Tasserkidrilus Holmquist, 1985 [ACCEPTED GENUS 2298:84SGF nidx=null]
Tatriella
 - Tatriella [ACCEPTED GENUS 2296:63TJX nidx=null]
 + Tatriella Hrabĕ, 1936 [ACCEPTED GENUS 2298:84SGG nidx=null]
Tatsnoskia depressa
 - Tatsnoskia depressa [SYNONYM SPECIES 2296:54Z4G nidx=null parent=D4Z7]
 + Tatsnoskia depressa Stimpson, 1857 [SYNONYM SPECIES 2298:852H2 nidx=null parent=D4Z7]
Tauroprimnoa
 - Tauroprimnoa [ACCEPTED GENUS 2296:7T4P nidx=null]
 + Tauroprimnoa Zapata-Guardiola & Lopez-González, 2010 [ACCEPTED GENUS 2298:84SGH nidx=null]
Taylorpholoe
 - Taylorpholoe [ACCEPTED GENUS 2296:7T7F nidx=null]
 + Taylorpholoe Pettibone, 1992 [ACCEPTED GENUS 2298:84SGM nidx=null]
Tectidrilus
 - Tectidrilus [ACCEPTED GENUS 2296:7T9B nidx=null]
 + Tectidrilus Erséus, 1982 [ACCEPTED GENUS 2298:84SGN nidx=null]
Tectitethya
 - Tectitethya [ACCEPTED GENUS 2296:7T9H nidx=null]
 + Tectitethya Sarà, 1994 [ACCEPTED GENUS 2298:84SGP nidx=null]
Tedania (Tedania) aspera
 - Tedania (Tedania) aspera (Bowerbank, 1875) [ACCEPTED SPECIES 2296:553SQ nidx=null]
 + Tedania (Tedania) aspera (Bowerbank, 1875) [SYNONYM SPECIES 2298:852H3 nidx=null parent=85T9M]
Tedania (Tedania) fragilis
 - Tedania (Tedania) fragilis Baer, 1906 [PROVISIONALLY_ACCEPTED SPECIES 2296:553T8 nidx=null]
 + Tedania (Tedania) fragilis Baer, 1906 [AMBIGUOUS_SYNONYM SPECIES 2298:852H4 nidx=null parent=85T9L]
Tedania (Tedania) strongylostylota
 - Tedania (Tedania) strongylostylota van Soest, Kaiser & Van Syoc, 2011 [SYNONYM SPECIES 2296:7BMPY nidx=null parent=7BN29]
 + Tedania (Tedania) strongylostylota [SYNONYM SPECIES 2298:852H5 nidx=null parent=7BN29]
Tedania chevreuxi
 - Tedania chevreuxi Topsent, 1891 [ACCEPTED SPECIES 2296:553VX nidx=null]
 + Tedania chevreuxi Topsent, 1891 [SYNONYM SPECIES 2298:852H6 nidx=null parent=85T9N]
Tedania digitata var. fragilis
 - Tedania digitata var. fragilis Baer, 1906 [SYNONYM VARIETY 2296:5RRHR nidx=null parent=553T8]
 + Tedania digitata var. fragilis Baer, 1906 [SYNONYM VARIETY 2298:852WH nidx=null parent=85T9L]
Tedania fragilis
 - Tedania fragilis Baer, 1906 [SYNONYM SPECIES 2296:7BN2H nidx=null parent=553T8]
 + Tedania fragilis Baer, 1906 [AMBIGUOUS_SYNONYM SPECIES 2298:84YW3 nidx=null parent=85T9L]
Tedania scottiae
 - Tedania scottiae Stephens, 1915 [SYNONYM SPECIES 2296:553XQ nidx=null parent=7BMPN]
 + Tedania scottiae [SYNONYM SPECIES 2298:852H7 nidx=null parent=7BMPN]
Tedania trirhaphis
 - Tedania trirhaphis Koltun, 1964 [SYNONYM SPECIES 2296:553Y6 nidx=null parent=7BMQ8]
 + Tedania trirhaphis Koltun, 1964 [SYNONYM SPECIES 2298:852H8 nidx=null parent=85T9S]
Tedania vanhoeffini
 - Tedania vanhoeffini Hentschel, 1914 [SYNONYM SPECIES 2296:553YB nidx=null parent=553V8]
 + Tedania vanhoeffini [SYNONYM SPECIES 2298:852H9 nidx=null parent=553V8]
Tedaniidae
 - Tedaniidae [ACCEPTED FAMILY 2296:626P3 nidx=null]
 + Tedaniidae Ridley & Dendy, 1886 [ACCEPTED FAMILY 2298:84KHB nidx=null]
Tedaniphorbas
 - Tedaniphorbas [ACCEPTED GENUS 2296:645LK nidx=null]
 + Tedaniphorbas Laubenfels, 1936 [ACCEPTED GENUS 2298:84SGQ nidx=null]
Teichochilina
 - Teichochilina [ACCEPTED GENUS 2296:7TC5 nidx=null]
 + Teichochilina Swartz, 1949 [ACCEPTED GENUS 2298:84SGS nidx=null]
Teichonopsis
 - Teichonopsis [ACCEPTED GENUS 2296:7TC7 nidx=null]
 + Teichonopsis Dendy & Row, 1913 [ACCEPTED GENUS 2298:84SGT nidx=null]
Teleotanaidae
 - Teleotanaidae [ACCEPTED FAMILY 2296:GYQ nidx=null]
 + Teleotanaidae Bamber, 2008 [ACCEPTED FAMILY 2298:84KHD nidx=null]
Teleotanais
 - Teleotanais [ACCEPTED GENUS 2296:7TFR nidx=null]
 + Teleotanais Lang, 1956 [ACCEPTED GENUS 2298:84SGW nidx=null]
Telesto
 - Telesto [ACCEPTED GENUS 2296:7TGC nidx=null]
 + Telesto Lamouroux, 1812 [ACCEPTED GENUS 2298:84SGX nidx=null]
Telestula
 - Telestula [ACCEPTED GENUS 2296:7TGD nidx=null]
 + Telestula Madsen, 1944 [ACCEPTED GENUS 2298:84SGY nidx=null]
Teleuscolex
 - Teleuscolex [ACCEPTED GENUS 2296:7TGN nidx=null]
 + Teleuscolex Michaelsen, 1901 [ACCEPTED GENUS 2298:84SGZ nidx=null]
Telliclio
 - Telliclio [ACCEPTED GENUS 2296:7THH nidx=null]
 + Telliclio Timm, 1978 [ACCEPTED GENUS 2298:84SH2 nidx=null]
Telmatodrilus
 - Telmatodrilus [ACCEPTED GENUS 2296:7TJB nidx=null]
 + Telmatodrilus Eisen, 1879 [ACCEPTED GENUS 2298:84SH3 nidx=null]
Telodrieschia
 - Telodrieschia [ACCEPTED GENUS 2296:7TKB nidx=null]
 + Telodrieschia Kirkegaard, 1995 [ACCEPTED GENUS 2298:84SH4 nidx=null]
Telolepidasthenia
 - Telolepidasthenia [ACCEPTED GENUS 2296:7TKP nidx=null]
 + Telolepidasthenia Augener & Pettibone, 1970 [ACCEPTED GENUS 2298:84SH5 nidx=null]
Telothelepus
 - Telothelepus [ACCEPTED GENUS 2296:7TLV nidx=null]
 + Telothelepus Day, 1955 [ACCEPTED GENUS 2298:84SH6 nidx=null]
Temnotrochus
 - Temnotrochus [ACCEPTED GENUS 2296:7TQ6 nidx=null]
 + Temnotrochus Cairns, 1995 [ACCEPTED GENUS 2298:84SH8 nidx=null]
Tenagodrilus
 - Tenagodrilus [ACCEPTED GENUS 2296:7TR3 nidx=null]
 + Tenagodrilus Eckroth & Brinkhurst, 1996 [ACCEPTED GENUS 2298:84SH9 nidx=null]
Teneridrilus
 - Teneridrilus [ACCEPTED GENUS 2296:7TSB nidx=null]
 + Teneridrilus Eisen, 1879 [ACCEPTED GENUS 2298:84SHF nidx=null]
Tenerodus
 - Tenerodus [ACCEPTED GENUS 2296:7TSF nidx=null]
 + Tenerodus McFadden & van Ofwegen, 2017 [ACCEPTED GENUS 2298:84SHG nidx=null]
Tenonia
 - Tenonia [ACCEPTED GENUS 2296:7TTG nidx=null]
 + Tenonia Nichols, 1969 [ACCEPTED GENUS 2298:84SHH nidx=null]
Tentorina
 - Tentorina [ACCEPTED GENUS 2296:63VBR nidx=null]
 + Tentorina Burton, 1959 [ACCEPTED GENUS 2298:84SHJ nidx=null]
Tentorium
 - Tentorium [ACCEPTED GENUS 2296:63VC3 nidx=null]
 + Tentorium Vosmaer, 1887 [ACCEPTED GENUS 2298:84SHK nidx=null]
Tenuilineus
 - Tenuilineus [ACCEPTED GENUS 2296:63VBX nidx=null]
 + Tenuilineus Riser, 1993 [ACCEPTED GENUS 2298:84SHL nidx=null]
Tenuisis
 - Tenuisis [ACCEPTED GENUS 2296:7TV9 nidx=null]
 + Tenuisis Bayer & Stefani, 1987 [ACCEPTED GENUS 2298:84SHM nidx=null]
Terebella
 - Terebella [ACCEPTED GENUS 2296:647CT nidx=null]
 - Terebella [ACCEPTED SUBGENUS 2296:647D5 nidx=null]
 + Terebella Linnaeus, 1767 [ACCEPTED GENUS 2298:84SHP nidx=null]
Terebella annulifilis
 - Terebella annulifilis Grube, 1872 [ACCEPTED SPECIES 2296:7BQ5T nidx=null]
 + Terebella annulifilis Grube, 1872 [SYNONYM SPECIES 2298:852HJ nidx=null parent=3VVMN]
Terebella comata
 - Terebella comata Grube, 1859 [SYNONYM SPECIES 2296:7BPTY nidx=null parent=52WZ7]
 + Terebella comata Grube, 1859 [SYNONYM SPECIES 2298:852HK nidx=null parent=852JL]
Terebella edwardsii
 - Terebella edwardsii Quatrefages, 1866 [SYNONYM SPECIES 2296:7BPTX nidx=null parent=746Z6]
 + Terebella edwardsii Quatrefages, 1866 [SYNONYM SPECIES 2298:852HL nidx=null parent=746Z6]
Terebella ehrenbergi
 - Terebella ehrenbergi Gravier, 1906 [ACCEPTED SPECIES 2296:7BQ69 nidx=null]
 + Terebella ehrenbergi Grube, 1869 [ACCEPTED SPECIES 2298:852HM nidx=null]
Terebella littoralis
 - Terebella littoralis [ACCEPTED SPECIES 2296:7C299 nidx=null]
 + Terebella littoralis Dalyell, 1853 [non Linnaean as 'littoralis seu arenaria'] [SYNONYM SPECIES 2298:852HP nidx=null parent=3S779]
Terebellatanais
 - Terebellatanais [ACCEPTED GENUS 2296:63VCW nidx=null]
 + Terebellatanais Suárez-Morales, Londoño-Mesa & Heard, 2011 [ACCEPTED GENUS 2298:84SHQ nidx=null]
Terebellidae
 - Terebellidae [ACCEPTED FAMILY 2296:H24 nidx=null]
 + Terebellidae Johnston, 1846 [ACCEPTED FAMILY 2298:84KHF nidx=null]
Terebellides
 - Terebellides [ACCEPTED GENUS 2296:647CW nidx=null]
 + Terebellides Sars, 1835 [ACCEPTED GENUS 2298:84SHR nidx=null]
Terebellobranchia
 - Terebellobranchia [ACCEPTED GENUS 2296:63VD7 nidx=null]
 + Terebellobranchia Day, 1951 [ACCEPTED GENUS 2298:84SHS nidx=null]
Terebellodibranchia
 - Terebellodibranchia [ACCEPTED GENUS 2296:647CV nidx=null]
 + Terebellodibranchia Misra & Chakraborty, 1990 [ACCEPTED GENUS 2298:84SHT nidx=null]
Terebrasabella
 - Terebrasabella [ACCEPTED GENUS 2296:647CX nidx=null]
 + Terebrasabella Fitzhugh & Rouse, 1999 [ACCEPTED GENUS 2298:84SHV nidx=null]
Terpios
 - Terpios [ACCEPTED GENUS 2296:63V97 nidx=null]
 + Terpios Duchassaing & Michelotti, 1864 [ACCEPTED GENUS 2298:84SHX nidx=null]
Terquemula
 - Terquemula [ACCEPTED GENUS 2296:63V8W nidx=null]
 + Terquemula Blaszyk & Malz, 1965 [ACCEPTED GENUS 2298:84SHY nidx=null]
Terrestricythere
 - Terrestricythere [ACCEPTED GENUS 2296:646WF nidx=null]
 + Terrestricythere Schornikov, 1969 [ACCEPTED GENUS 2298:84SHZ nidx=null]
Terrestricytheridae
 - Terrestricytheridae [ACCEPTED FAMILY 2296:H2M nidx=null]
 + Terrestricytheridae Schornikov, 1969 [ACCEPTED FAMILY 2298:84KHG nidx=null]
Terrestricytheroidea
 - Terrestricytheroidea [ACCEPTED SUPERFAMILY 2296:5QM nidx=null]
 + Terrestricytheroidea Schornikov, 1969 [ACCEPTED SUPERFAMILY 2298:84JYQ nidx=null]
Tesseranthelia
 - Tesseranthelia [ACCEPTED GENUS 2296:6479J nidx=null]
 + Tesseranthelia Bayer, 1981 [ACCEPTED GENUS 2298:84SJ2 nidx=null]
Tethocyathus
 - Tethocyathus [ACCEPTED GENUS 2296:646NV nidx=null]
 + Tethocyathus Kühn, 1933 [ACCEPTED GENUS 2298:84SJ4 nidx=null]
Tethrisis
 - Tethrisis [ACCEPTED GENUS 2296:646NX nidx=null]
 + Tethrisis Alderslade, 1998 [ACCEPTED GENUS 2298:84SJ9 nidx=null]
Tethya
 - Tethya [ACCEPTED GENUS 2296:646NZ nidx=null]
 + Tethya Lamarck, 1815 [ACCEPTED GENUS 2298:84SJ5 nidx=null]
Tethya aurantia
 - Tethya aurantia (Pallas, 1766) [SYNONYM SPECIES 2296:55KFR nidx=null parent=55KFS]
 + Tethya aurantia [SYNONYM SPECIES 2298:84YWN nidx=null parent=55KFS]
Tethya serica
 - Tethya serica Lebwohl, 1914 [SYNONYM SPECIES 2296:55KK9 nidx=null parent=Z4YR]
 + Tethya serica Lebwohl, 1914 [SYNONYM SPECIES 2298:852HW nidx=null parent=85LQ3]
Tethyastra
 - Tethyastra [ACCEPTED GENUS 2296:646PK nidx=null]
 + Tethyastra Sarà, 2002 [ACCEPTED GENUS 2298:84SJ6 nidx=null]
Tethycometes
 - Tethycometes [ACCEPTED GENUS 2296:646PJ nidx=null]
 + Tethycometes Sarà, 1994 [ACCEPTED GENUS 2298:84SJ7 nidx=null]
Tethyida
 - Tethyida [ACCEPTED ORDER 2296:478 nidx=null]
 + Tethyida Morrow & Cárdenas, 2015 [ACCEPTED ORDER 2298:84JWX nidx=null]
Tethyidae
 - Tethyidae [ACCEPTED FAMILY 2296:H2W nidx=null]
 + Tethyidae Gray, 1848 [ACCEPTED FAMILY 2298:84KHH nidx=null]
Tethyopsilla globosa
 - Tethyopsilla globosa Baer, 1906 [SYNONYM SPECIES 2296:55KMD nidx=null parent=7BRFN]
 + Tethyopsilla globosa Baer, 1906 [SYNONYM SPECIES 2298:852HX nidx=null parent=85SRP]
Tethyopsis
 - Tethyopsis [ACCEPTED GENUS 2296:646Q2 nidx=null]
 + Tethyopsis Stewart, 1870 [ACCEPTED GENUS 2298:84SJ8 nidx=null]
Tethyspira
 - Tethyspira [ACCEPTED GENUS 2296:646Q4 nidx=null]
 + Tethyspira Topsent, 1890 [ACCEPTED GENUS 2298:84SJB nidx=null]
Tethytimea
 - Tethytimea [ACCEPTED GENUS 2296:646PR nidx=null]
 + Tethytimea Laubenfels, 1936 [ACCEPTED GENUS 2298:84SJC nidx=null]
Tetilla
 - Tetilla [ACCEPTED GENUS 2296:646Q3 nidx=null]
 + Tetilla Schmidt, 1868 [ACCEPTED GENUS 2298:84SJD nidx=null]
Tetilla globosa
 - Tetilla globosa (Baer, 1906) [PROVISIONALLY_ACCEPTED SPECIES 2296:7BRFN nidx=null]
 + Tetilla globosa (Baer, 1906) [AMBIGUOUS_SYNONYM SPECIES 2298:852HY nidx=null parent=85SRP]
Tetillidae
 - Tetillidae [ACCEPTED FAMILY 2296:H2Y nidx=null]
 + Tetillidae Sollas, 1886 [ACCEPTED FAMILY 2298:84KHJ nidx=null]
Tetractinellida
 - Tetractinellida [ACCEPTED ORDER 2296:622W3 nidx=null]
 + Tetractinellida Marshall, 1876 [ACCEPTED ORDER 2298:84JWY nidx=null]
Tetradellidae
 - Tetradellidae [ACCEPTED FAMILY 2296:H3D nidx=null]
 + Tetradellidae Swartz, 1936 [ACCEPTED FAMILY 2298:84KHK nidx=null]
Tetraglene rosea
 - Tetraglene rosea Grube, 1863 [SYNONYM SPECIES 2296:55M5Z nidx=null parent=59FH6]
 + Tetraglene rosea Grube, 1863 [SYNONYM SPECIES 2298:852HZ nidx=null parent=4PCH8]
Tetragonodon
 - Tetragonodon [ACCEPTED GENUS 2296:646S8 nidx=null]
 + Tetragonodon Brady & Norman, 1896 [ACCEPTED GENUS 2298:84SJH nidx=null]
Tetraleberis
 - Tetraleberis [ACCEPTED GENUS 2296:646RB nidx=null]
 + Tetraleberis Kornicker, 1981 [ACCEPTED GENUS 2298:84SJN nidx=null]
Tetralophophora
 - Tetralophophora [ACCEPTED GENUS 2296:63V4N nidx=null]
 + Tetralophophora Rützler, Piantoni, van Soest & Díaz, 2014 [ACCEPTED GENUS 2298:84SJP nidx=null]
Tetramys
 - Tetramys [ACCEPTED GENUS 2296:646SS nidx=null]
 + Tetramys Iwata, 1957 [ACCEPTED GENUS 2298:84SJQ nidx=null]
Tetramys ramicerebrus
 - Tetramys ramicerebrus Iwata, 1957 [ACCEPTED SPECIES 2296:7BT7G nidx=null]
 + Tetramys ramicerebrus Iwata, 1957 [ACCEPTED SPECIES 2298:852J2 nidx=null]
Tetranemertes
 - Tetranemertes [ACCEPTED GENUS 2296:64757 nidx=null]
 + Tetranemertes Chernyshev, 1992 [ACCEPTED GENUS 2298:84SJR nidx=null]
Tetraneuronemertes
 - Tetraneuronemertes [ACCEPTED GENUS 2296:646T9 nidx=null]
 + Tetraneuronemertes Sundberg, Gibson & Strand, 2007 [ACCEPTED GENUS 2298:84SJT nidx=null]
Tetranthera blumii
 - Tetranthera blumii Nees [SYNONYM SPECIES 2296:55Q8P nidx=null parent=3VN3T]
 + Tetranthera blumii Nees [SYNONYM SPECIES 2298:84YZH nidx=null parent=3VN3T]
Tetrapalpia
 - Tetrapalpia [ACCEPTED GENUS 2296:63V4B nidx=null]
 + Tetrapalpia San Martín, Hutchings & Aguado, 2008 [ACCEPTED GENUS 2298:84SJV nidx=null]
Tetrapocillon
 - Tetrapocillon [ACCEPTED GENUS 2296:646TQ nidx=null]
 + Tetrapocillon Brøndsted, 1924 [ACCEPTED GENUS 2298:84SJM nidx=null]
Tetrastemma
 - Tetrastemma [ACCEPTED GENUS 2296:646TF nidx=null]
 + Tetrastemma Ehrenberg, 1831 [ACCEPTED GENUS 2298:84SJS nidx=null]
Tetrastemma caecum
 - Tetrastemma caecum [SYNONYM SPECIES 2296:7BSKH nidx=null parent=D3RZ]
 + Tetrastemma caecum Coe, 1901 [SYNONYM SPECIES 2298:852J3 nidx=null parent=D3RZ]
Tetrastemma immutabile
 - Tetrastemma immutabile [SYNONYM SPECIES 2296:55SFW nidx=null parent=48YDW]
 + Tetrastemma immutabile Riches, 1893 [SYNONYM SPECIES 2298:852J4 nidx=null parent=48YDW]
Tetrastemma nigrum
 - Tetrastemma nigrum [SYNONYM SPECIES 2296:55SGY nidx=null parent=6SJCN]
 + Tetrastemma nigrum Riches, 1893 [SYNONYM SPECIES 2298:852J5 nidx=null parent=6SJCN]
Tetrastemma rustica
 - Tetrastemma rustica [SYNONYM SPECIES 2296:55SHX nidx=null parent=6SJCH]
 + Tetrastemma rustica Joubin, 1890 [SYNONYM SPECIES 2298:852J7 nidx=null parent=6SJCH]
Tetrastemmatidae
 - Tetrastemmatidae [ACCEPTED FAMILY 2296:H4B nidx=null]
 + Tetrastemmatidae Hubrecht, 1879 [ACCEPTED FAMILY 2298:84KHM nidx=null]
Tetreres
 - Tetreres [ACCEPTED GENUS 2296:646V7 nidx=null]
 + Tetreres Caullery, 1913 [ACCEPTED GENUS 2298:84SJX nidx=null]
Teuthidodrilus
 - Teuthidodrilus [ACCEPTED GENUS 2296:646VZ nidx=null]
 + Teuthidodrilus Osborn, Madin & Rouse, 2011 [ACCEPTED GENUS 2298:84SJY nidx=null]
Tevnia
 - Tevnia [ACCEPTED GENUS 2296:6477G nidx=null]
 + Tevnia Jones, 1985 [ACCEPTED GENUS 2298:84SJZ nidx=null]
Thaerocythere
 - Thaerocythere [ACCEPTED GENUS 2296:646FY nidx=null]
 + Thaerocythere Hazel, 1967 [ACCEPTED GENUS 2298:84SK2 nidx=null]
Thaerocytheridae
 - Thaerocytheridae [ACCEPTED FAMILY 2296:H4R nidx=null]
 + Thaerocytheridae Hazel, 1967 [ACCEPTED FAMILY 2298:84KHN nidx=null]
Thaicungella
 - Thaicungella [ACCEPTED GENUS 2296:7V22 nidx=null]
 + Thaicungella Gutu & Angsupanich, 2004 [ACCEPTED GENUS 2298:84SK6 nidx=null]
Thalamophyllia
 - Thalamophyllia [ACCEPTED GENUS 2296:7V36 nidx=null]
 + Thalamophyllia Duchassaing, 1870 [ACCEPTED GENUS 2298:84SK3 nidx=null]
Thalassema
 - Thalassema [ACCEPTED GENUS 2296:7V3H nidx=null]
 + Thalassema Pallas, 1774 [ACCEPTED GENUS 2298:84SK5 nidx=null]
Thalassematidae
 - Thalassematidae [ACCEPTED FAMILY 2296:626PL nidx=null]
 + Thalassematidae Forbes & Goodsir, 1841 [ACCEPTED FAMILY 2298:84KHP nidx=null]
Thalassochaetus
 - Thalassochaetus [ACCEPTED GENUS 2296:7V46 nidx=null]
 + Thalassochaetus Ax, 1954 [ACCEPTED GENUS 2298:84SK7 nidx=null]
Thalassocypria
 - Thalassocypria [ACCEPTED GENUS 2296:7V4B nidx=null]
 + Thalassocypria Hartmann, 1957 [ACCEPTED GENUS 2298:84SK8 nidx=null]
Thalassodrilides
 - Thalassodrilides [ACCEPTED GENUS 2296:646H5 nidx=null]
 + Thalassodrilides Brinkhurst & Baker, 1979 [ACCEPTED GENUS 2298:84SK9 nidx=null]
Thalassodrilus
 - Thalassodrilus [ACCEPTED GENUS 2296:7V4F nidx=null]
 + Thalassodrilus Brinkhurst, 1963 [ACCEPTED GENUS 2298:84SKB nidx=null]
Thalassophina viperinus
 - Thalassophina viperinus Welch, 1994 [SYNONYM SPECIES 2296:55ZRF nidx=null parent=3N8CM]
 + Thalassophina viperinus Welch, 1994 [SYNONYM SPECIES 2298:852JD nidx=null parent=3N8CM]
Thallassionemertes
 - Thallassionemertes [ACCEPTED GENUS 2296:7V6F nidx=null]
 + Thallassionemertes Gibson & Sundberg, 2001 [ACCEPTED GENUS 2298:84SKD nidx=null]
Thalmannia
 - Thalmannia [ACCEPTED GENUS 2296:7V73 nidx=null]
 + Thalmannia Leroy, 1939 [ACCEPTED GENUS 2298:84SKF nidx=null]
Thalysias virgultosa
 - Thalysias virgultosa (Lamarck, 1814) [SYNONYM SPECIES 2296:562XL nidx=null parent=VSFN]
 + Thalysias virgultosa () [SYNONYM SPECIES 2298:852JF nidx=null parent=84WXD]
Thamnastraea
 - Thamnastraea [ACCEPTED GENUS 2296:7V85 nidx=null]
 + Thamnastraea Le Sauvage, 1824 [ACCEPTED GENUS 2298:84SKH nidx=null]
Tharyx
 - Tharyx [ACCEPTED GENUS 2296:7VB9 nidx=null]
 + Tharyx Webster & Benedict, 1887 [ACCEPTED GENUS 2298:84SKJ nidx=null]
Thaumatoconcha
 - Thaumatoconcha [ACCEPTED GENUS 2296:646KQ nidx=null]
 + Thaumatoconcha Kornicker & Sohn, 1976 [ACCEPTED GENUS 2298:84SKL nidx=null]
Thaumatocyprididae
 - Thaumatocyprididae [ACCEPTED FAMILY 2296:H5N nidx=null]
 + Thaumatocyprididae Müller, 1906 [ACCEPTED FAMILY 2298:84KHR nidx=null]
Thaumatocypridoidea
 - Thaumatocypridoidea [ACCEPTED SUPERFAMILY 2296:5R2 nidx=null]
 + Thaumatocypridoidea Müller, 1906 [ACCEPTED SUPERFAMILY 2298:84JSR nidx=null]
Thaumatocypris
 - Thaumatocypris [ACCEPTED GENUS 2296:7VDW nidx=null]
 + Thaumatocypris Mueller, 1906 [ACCEPTED GENUS 2298:84SKM nidx=null]
Thaumatomma
 - Thaumatomma [ACCEPTED GENUS 2296:646JW nidx=null]
 + Thaumatomma Kornicker & Sohn, 1976 [ACCEPTED GENUS 2298:84SKX nidx=null]
Thecopsammia
 - Thecopsammia [ACCEPTED GENUS 2296:7VH4 nidx=null]
 + Thecopsammia Pourtalès, 1868 [ACCEPTED GENUS 2298:84SKN nidx=null]
Thecoscyphus
 - Thecoscyphus [ACCEPTED GENUS 2296:7VH8 nidx=null]
 + Thecoscyphus Werner, 1984 [ACCEPTED GENUS 2298:84M7G nidx=null]
Thelepides
 - Thelepides [ACCEPTED GENUS 2296:7VJZ nidx=null]
 + Thelepides Gravier, 1911 [ACCEPTED GENUS 2298:84SKP nidx=null]
Thelepus
 - Thelepus [ACCEPTED GENUS 2296:7VK4 nidx=null]
 + Thelepus Leuckart, 1849 [ACCEPTED GENUS 2298:84SKQ nidx=null]
Thelepus circinnata
 - Thelepus circinnata Malmgren, 1866 [SYNONYM SPECIES 2296:5686H nidx=null parent=5686G]
 + Thelepus circinnata [auct. misspelling] [SYNONYM SPECIES 2298:852JK nidx=null parent=5686G]
Thelepus comatus
 - Thelepus comatus (Grube, 1859) [SYNONYM SPECIES 2296:5686J nidx=null parent=52WZ7]
 + Thelepus comatus (Grube, 1859) [ACCEPTED SPECIES 2298:852JL nidx=null]
Thelogorgia
 - Thelogorgia [ACCEPTED GENUS 2296:7VKZ nidx=null]
 + Thelogorgia Bayer, 1991 [ACCEPTED GENUS 2298:84SKS nidx=null]
Thelohanellus
 - Thelohanellus [ACCEPTED GENUS 2296:7VL2 nidx=null]
 + Thelohanellus Kudo, 1933 [ACCEPTED GENUS 2298:84SL3 nidx=null]
Thenea
 - Thenea [ACCEPTED GENUS 2296:7VMM nidx=null]
 + Thenea Gray, 1867 [ACCEPTED GENUS 2298:84SKV nidx=null]
Thenea echinata
 - Thenea echinata Wilson, 1904 [PROVISIONALLY_ACCEPTED SPECIES 2296:56BKX nidx=null]
 + Thenea echinata Wilson, 1904 [AMBIGUOUS_SYNONYM SPECIES 2298:852JM nidx=null parent=85TB4]
Theneidae
 - Theneidae [ACCEPTED FAMILY 2296:H6C nidx=null]
 + Theneidae Gray, 1872 [ACCEPTED FAMILY 2298:84KHS nidx=null]
Theobroma speciosum
 - Theobroma speciosum Willd. ex Spreng. [ACCEPTED SPECIES 2296:56BPR nidx=null]
 + Theobroma speciosum Willd. ex Spreng. [ACCEPTED SPECIES 2298:84YZW nidx=null]
Theobroma subincanum
 - Theobroma subincanum Mart. [ACCEPTED SPECIES 2296:56BPW nidx=null]
 + Theobroma subincanum Mart. [ACCEPTED SPECIES 2298:84YZX nidx=null]
Theonella
 - Theonella [ACCEPTED GENUS 2296:7VNJ nidx=null]
 + Theonella Gray, 1868 [ACCEPTED GENUS 2298:84SKW nidx=null]
Theonellidae
 - Theonellidae [ACCEPTED FAMILY 2296:H6F nidx=null]
 + Theonellidae Lendenfeld, 1903 [ACCEPTED FAMILY 2298:84KHT nidx=null]
Theoperidae
 - Theoperidae [ACCEPTED FAMILY 2296:H6G nidx=null]
 + Theoperidae Haeckel, 1881 [ACCEPTED FAMILY 2298:84KHV nidx=null]
Thermanemertes
 - Thermanemertes [ACCEPTED GENUS 2296:7VRD nidx=null]
 + Thermanemertes Rogers, Gibson & Tunnicliffe, 1996 [ACCEPTED GENUS 2298:84SLG nidx=null]
Thermiphione
 - Thermiphione [ACCEPTED GENUS 2296:7VRN nidx=null]
 + Thermiphione Hartmann-Schröder, 1992 [ACCEPTED GENUS 2298:84SLH nidx=null]
Thermopolynoe
 - Thermopolynoe [ACCEPTED GENUS 2296:7VTL nidx=null]
 + Thermopolynoe Miura, 1994 [ACCEPTED GENUS 2298:84SLK nidx=null]
Therochaeta
 - Therochaeta [ACCEPTED GENUS 2296:646N9 nidx=null]
 + Therochaeta Chamberlin, 1919 [ACCEPTED GENUS 2298:84SKZ nidx=null]
Thesea
 - Thesea [ACCEPTED GENUS 2296:7VVR nidx=null]
 + Thesea Duchassaing & Michelotti, 1860 [ACCEPTED GENUS 2298:84SL2 nidx=null]
Thomontocypris
 - Thomontocypris [ACCEPTED GENUS 2296:7W5L nidx=null]
 + Thomontocypris Maddocks, 1991 [ACCEPTED GENUS 2298:84SL7 nidx=null]
Thoosa
 - Thoosa [ACCEPTED GENUS 2296:7W66 nidx=null]
 + Thoosa Hancock, 1849 [ACCEPTED GENUS 2298:84SL8 nidx=null]
Thoosidae
 - Thoosidae [ACCEPTED FAMILY 2296:H7W nidx=null]
 + Thoosidae Cockerell, 1925 [ACCEPTED FAMILY 2298:84KHW nidx=null]
Thoracophelia
 - Thoracophelia [ACCEPTED SUBGENUS 2296:7W74 nidx=null]
 - Thoracophelia [ACCEPTED GENUS 2296:7W75 nidx=null]
 + Thoracophelia Ehlers, 1897 [ACCEPTED GENUS 2298:84SL9 nidx=null]
Thorecta
 - Thorecta [ACCEPTED GENUS 2296:7W7Z nidx=null]
 + Thorecta Lendenfeld, 1888 [ACCEPTED GENUS 2298:84SLB nidx=null]
Thorecta calyx
 - Thorecta calyx (Lamarck, 1814) [SYNONYM SPECIES 2296:56KLP nidx=null parent=56KLQ]
 + Thorecta calyx [SYNONYM SPECIES 2298:852JV nidx=null parent=56KLQ]
Thorectandra
 - Thorectandra [ACCEPTED GENUS 2296:7W82 nidx=null]
 + Thorectandra Lendenfeld, 1889 [ACCEPTED GENUS 2298:84SLC nidx=null]
Thorectaxia
 - Thorectaxia [ACCEPTED GENUS 2296:7W83 nidx=null]
 + Thorectaxia Pulitzer-Finali & Pronzato, 1999 [ACCEPTED GENUS 2298:84SLD nidx=null]
Thorectidae
 - Thorectidae [ACCEPTED FAMILY 2296:H83 nidx=null]
 + Thorectidae Bergquist, 1978 [ACCEPTED FAMILY 2298:84KHX nidx=null]
Thorkelius
 - Thorkelius [ACCEPTED GENUS 2296:7W8K nidx=null]
 + Thorkelius Bird, 2004 [ACCEPTED GENUS 2298:84SLV nidx=null]
Thormora
 - Thormora [ACCEPTED GENUS 2296:7W8M nidx=null]
 + Thormora Baird, 1865 [ACCEPTED GENUS 2298:84SLF nidx=null]
Thouarella
 - Thouarella [ACCEPTED GENUS 2296:7W9P nidx=null]
 + Thouarella Gray, 1870 [ACCEPTED GENUS 2298:84SLJ nidx=null]
Thrausmatos
 - Thrausmatos [ACCEPTED GENUS 2296:648CY nidx=null]
 + Thrausmatos Watson, 2001 [ACCEPTED GENUS 2298:84SLW nidx=null]
Thrinacophora
 - Thrinacophora [ACCEPTED GENUS 2296:7WBW nidx=null]
 + Thrinacophora Ridley, 1885 [ACCEPTED GENUS 2298:84SLL nidx=null]
Thrombidae
 - Thrombidae [ACCEPTED FAMILY 2296:H8C nidx=null]
 + Thrombidae Sollas, 1888 [ACCEPTED FAMILY 2298:84KHY nidx=null]
Thrombophyton
 - Thrombophyton [ACCEPTED GENUS 2296:7WD6 nidx=null]
 + Thrombophyton McFadden & Hochberg, 2003 [ACCEPTED GENUS 2298:84SLZ nidx=null]
Thrombus
 - Thrombus [ACCEPTED GENUS 2296:7WD8 nidx=null]
 + Thrombus Sollas, 1886 [ACCEPTED GENUS 2298:84SLM nidx=null]
Thrombus abyssi var. niger
 - Thrombus abyssi var. niger Topsent, 1904 [ACCEPTED VARIETY 2296:5RT9R nidx=null]
 + Thrombus abyssi var. niger Topsent, 1904 [SYNONYM VARIETY 2298:852WJ nidx=null parent=85TB5]
Thrypticotrochus
 - Thrypticotrochus [ACCEPTED GENUS 2296:648CL nidx=null]
 + Thrypticotrochus Cairns, 1989 [ACCEPTED GENUS 2298:84SLN nidx=null]
Thyasiridicola
 - Thyasiridicola [ACCEPTED GENUS 2296:7WG8 nidx=null]
 + Thyasiridicola Miura & Hashimoto, 1996 [ACCEPTED GENUS 2298:84SM5 nidx=null]
Thylaciphorus hessii
 - Thylaciphorus hessii Quatrefages, 1866 [SYNONYM SPECIES 2296:56PRS nidx=null parent=CMW4]
 + Thylaciphorus hessii Quatrefages, 1866 [SYNONYM SPECIES 2298:852JW nidx=null parent=84TCF]
Thymosia
 - Thymosia [ACCEPTED GENUS 2296:7WJN nidx=null]
 + Thymosia Topsent, 1895 [ACCEPTED GENUS 2298:84SLR nidx=null]
Thymosiopsis
 - Thymosiopsis [ACCEPTED GENUS 2296:7WJP nidx=null]
 + Thymosiopsis Vacelet & Pérez, 1998 [ACCEPTED GENUS 2298:84SLS nidx=null]
Thysanoplea
 - Thysanoplea [ACCEPTED GENUS 2296:7WPL nidx=null]
 + Thysanoplea Schmidt, 1857 [ACCEPTED GENUS 2298:84SM7 nidx=null]
Thysanostoma
 - Thysanostoma [ACCEPTED GENUS 2296:7WPZ nidx=null]
 + Thysanostoma Agassiz, 1862 [ACCEPTED GENUS 2298:84M7H nidx=null]
Tiburonia
 - Tiburonia [ACCEPTED GENUS 2296:7WTJ nidx=null]
 + Tiburonia Matsumoto, Raskoff & Lindsay, 2003 [ACCEPTED GENUS 2298:84M7J nidx=null]
Tiguassidae
 - Tiguassidae [ACCEPTED FAMILY 2296:H9D nidx=null]
 + Tiguassidae Brinkhurst, 1988 [ACCEPTED FAMILY 2298:84KHZ nidx=null]
Tiguassu
 - Tiguassu [ACCEPTED GENUS 2296:7WW2 nidx=null]
 + Tiguassu Righi, Ayres & Bittencourt, 1978 [ACCEPTED GENUS 2298:84SLY nidx=null]
Tilia vulgaris
 - Tilia vulgaris Hill [SYNONYM SPECIES 2296:56WW9 nidx=null parent=7CC28]
 + Tilia vulgaris Hill [SYNONYM SPECIES 2298:84KNQ nidx=null parent=7CC28]
Timarete
 - Timarete [ACCEPTED GENUS 2296:7WYG nidx=null]
 + Timarete Kinberg, 1866 [ACCEPTED GENUS 2298:84SM2 nidx=null]
Timea
 - Timea [ACCEPTED GENUS 2296:7WYS nidx=null]
 + Timea Gray, 1867 [ACCEPTED GENUS 2298:84SM3 nidx=null]
Timea authia
 - Timea authia de Laubenfels, 1930 [ACCEPTED SPECIES 2296:56Z42 nidx=null]
 + Timea authia de Laubenfels, 1930 [SYNONYM SPECIES 2298:852JY nidx=null parent=85T9W]
Timeidae
 - Timeidae [ACCEPTED FAMILY 2296:H9N nidx=null]
 + Timeidae Topsent, 1928 [ACCEPTED FAMILY 2298:84KJ2 nidx=null]
Titahia
 - Titahia [ACCEPTED GENUS 2296:7X9C nidx=null]
 + Titahia Thein, 1975 [ACCEPTED GENUS 2298:84SMG nidx=null]
Titanideum
 - Titanideum [ACCEPTED GENUS 2296:7X9L nidx=null]
 + Titanideum Verrill, 1864 [ACCEPTED GENUS 2298:84SMC nidx=null]
Tobagogorgia
 - Tobagogorgia [ACCEPTED GENUS 2296:7XDK nidx=null]
 + Tobagogorgia Sanchez, 2007 [ACCEPTED GENUS 2298:84SMK nidx=null]
Tokoprymno
 - Tokoprymno [ACCEPTED GENUS 2296:648GZ nidx=null]
 + Tokoprymno Bayer, 1996 [ACCEPTED GENUS 2298:84SMM nidx=null]
Tomopteridae
 - Tomopteridae [ACCEPTED FAMILY 2296:HB2 nidx=null]
 + Tomopteridae Grube, 1850 [ACCEPTED FAMILY 2298:84KJ3 nidx=null]
Tomopteris
 - Tomopteris [ACCEPTED GENUS 2296:7XN8 nidx=null]
 + Tomopteris Eschscholtz, 1825 [ACCEPTED GENUS 2298:84SMN nidx=null]
Tononemertes
 - Tononemertes [ACCEPTED GENUS 2296:7XQS nidx=null]
 + Tononemertes Coe, 1954 [ACCEPTED GENUS 2298:84SMP nidx=null]
Topsentia
 - Topsentia [ACCEPTED GENUS 2296:7XS3 nidx=null]
 + Topsentia Berg, 1899 [ACCEPTED GENUS 2298:84SMQ nidx=null]
Topsentia topsenti
 - Topsentia topsenti (Lévi & Vacelet, 1958) [ACCEPTED SPECIES 2296:7CHBM nidx=null]
 + Topsentia topsenti (Lévi & Vacelet, 1958) [SYNONYM SPECIES 2298:852JZ nidx=null parent=85TB6]
Torbenwolffia
 - Torbenwolffia [ACCEPTED GENUS 2296:7XSD nidx=null]
 + Torbenwolffia Zenkevitch, 1966 [ACCEPTED GENUS 2298:84SMR nidx=null]
Torellella
 - Torellella [ACCEPTED GENUS 2296:7XSQ nidx=null]
 + Torellella Holm, 1893 [ACCEPTED GENUS 2298:84SMT nidx=null]
Torlessia
 - Torlessia [ACCEPTED GENUS 2296:7XTD nidx=null]
 + Torlessia Bather, 1905 [ACCEPTED GENUS 2298:84SMV nidx=null]
Torodrilus
 - Torodrilus [ACCEPTED GENUS 2296:63WJ4 nidx=null]
 + Torodrilus Cook, 1970 [ACCEPTED GENUS 2298:84SMY nidx=null]
Torquella
 - Torquella [ACCEPTED GENUS 2296:63VYS nidx=null]
 + Torquella Blazewicz-Paszkowycz, 2007 [ACCEPTED GENUS 2298:84SMZ nidx=null]
Torrea
 - Torrea [ACCEPTED GENUS 2296:7XVP nidx=null]
 + Torrea Quatrefages, 1850 [ACCEPTED GENUS 2298:84SN2 nidx=null]
Tortoflabellum
 - Tortoflabellum [ACCEPTED GENUS 2296:7XWW nidx=null]
 + Tortoflabellum Squires, 1958 [ACCEPTED GENUS 2298:84SN3 nidx=null]
Tortus
 - Tortus [ACCEPTED GENUS 2296:7XXK nidx=null]
 + Tortus Korotkevich, 1971 [ACCEPTED GENUS 2298:84SN4 nidx=null]
Tottonpolynoe
 - Tottonpolynoe [ACCEPTED GENUS 2296:7XZP nidx=null]
 + Tottonpolynoe Pettibone, 1991 [ACCEPTED GENUS 2298:84SN5 nidx=null]
Touroconcha
 - Touroconcha [ACCEPTED GENUS 2296:7Y2G nidx=null]
 + Touroconcha Ishizaki & Gunther, 1976 [ACCEPTED GENUS 2298:84SN6 nidx=null]
Toxadocia cylindrica
 - Toxadocia cylindrica Tanita, 1961 [SYNONYM SPECIES 2296:57L9K nidx=null parent=6L9HK]
 + Toxadocia cylindrica Tanita, 1961 [SYNONYM SPECIES 2298:84YZ4 nidx=null parent=85SXB]
Toxadocia violacea
 - Toxadocia violacea Laubenfels, 1950 [SYNONYM SPECIES 2296:57L9V nidx=null parent=6KXGP]
 + Toxadocia violacea de Laubenfels, 1950 [SYNONYM SPECIES 2298:84YZ5 nidx=null parent=85SVQ]
Toxicodendron succedanea
 - Toxicodendron succedanea (L.) Moldenke [SYNONYM SPECIES 2296:57LJH nidx=null parent=57LJG]
 + Toxicodendron succedanea (L.) Moldenke [SYNONYM SPECIES 2298:84YZ6 nidx=null parent=57LJG]
Trachostylea
 - Trachostylea [ACCEPTED GENUS 2296:647YJ nidx=null]
 + Trachostylea Topsent, 1928 [ACCEPTED GENUS 2298:84SNC nidx=null]
Trachycaulus
 - Trachycaulus [ACCEPTED GENUS 2296:647ZX nidx=null]
 + Trachycaulus Schulze, 1886 [ACCEPTED GENUS 2298:84SND nidx=null]
Trachycladida
 - Trachycladida [ACCEPTED ORDER 2296:48P nidx=null]
 + Trachycladida Morrow & Cárdenas, 2015 [ACCEPTED ORDER 2298:84JWZ nidx=null]
Trachycladidae
 - Trachycladidae [ACCEPTED FAMILY 2296:HCD nidx=null]
 + Trachycladidae Hallmann, 1917 [ACCEPTED FAMILY 2298:84KJ4 nidx=null]
Trachycladus
 - Trachycladus [ACCEPTED GENUS 2296:7YB3 nidx=null]
 + Trachycladus Carter, 1879 [ACCEPTED GENUS 2298:84SNF nidx=null]
Trachycladus spinispirulifera
 - Trachycladus spinispirulifera Samaai & Gibbons, 2005 [SYNONYM SPECIES 2296:57PY7 nidx=null parent=57PY6]
 + Trachycladus spinispirulifera [SYNONYM SPECIES 2298:852K2 nidx=null parent=57PY6]
Trachyleberididae
 - Trachyleberididae [ACCEPTED FAMILY 2296:HCF nidx=null]
 + Trachyleberididae Sylvester-Bradley, 1948 [ACCEPTED FAMILY 2298:84KJ5 nidx=null]
Trachyleberis
 - Trachyleberis [ACCEPTED GENUS 2296:7YC6 nidx=null]
 + Trachyleberis Brady, 1898 [ACCEPTED GENUS 2298:84SNG nidx=null]
Trachyphyllia
 - Trachyphyllia [ACCEPTED GENUS 2296:7YDV nidx=null]
 + Trachyphyllia Milne Edwards & Haime, 1849 [ACCEPTED GENUS 2298:84SNK nidx=null]
Trachytedania
 - Trachytedania [ACCEPTED GENUS 2296:7YFL nidx=null]
 + Trachytedania Ridley, 1881 [ACCEPTED GENUS 2298:84SNN nidx=null]
Trachyteleia
 - Trachyteleia [ACCEPTED GENUS 2296:7YFM nidx=null]
 + Trachyteleia Topsent, 1928 [ACCEPTED GENUS 2298:84SNP nidx=null]
Trachythela
 - Trachythela [ACCEPTED GENUS 2296:7YFQ nidx=null]
 + Trachythela Verrill, 1922 [ACCEPTED GENUS 2298:84SNQ nidx=null]
Trajancandona
 - Trajancandona [ACCEPTED GENUS 2296:7YHX nidx=null]
 + Trajancandona Karanovic, 1999 [ACCEPTED GENUS 2298:84SNS nidx=null]
Transkalliapseudes
 - Transkalliapseudes [ACCEPTED GENUS 2296:7YK5 nidx=null]
 + Transkalliapseudes Drumm & Heard, 2006 [ACCEPTED GENUS 2298:84SNT nidx=null]
Trapezicandona
 - Trapezicandona [ACCEPTED GENUS 2296:7YL6 nidx=null]
 + Trapezicandona Schornikov, 1969 [ACCEPTED GENUS 2298:84SNV nidx=null]
Travisia
 - Travisia [ACCEPTED GENUS 2296:6482J nidx=null]
 + Travisia Johnston, 1840 [ACCEPTED GENUS 2298:84SNW nidx=null]
Travisiidae
 - Travisiidae [ACCEPTED FAMILY 2296:HCW nidx=null]
 + Travisiidae Hartmann-Schröder, 1971 [ACCEPTED FAMILY 2298:84KJ6 nidx=null]
Travisiopsis
 - Travisiopsis [ACCEPTED GENUS 2296:7YMV nidx=null]
 + Travisiopsis Levinsen, 1885 [ACCEPTED GENUS 2298:84SNX nidx=null]
Treadwellius
 - Treadwellius [ACCEPTED GENUS 2296:7YN2 nidx=null]
 + Treadwellius Salazar-Vallejo, 2011 [ACCEPTED GENUS 2298:84SNY nidx=null]
Treadwellphysa
 - Treadwellphysa [ACCEPTED GENUS 2296:7YN3 nidx=null]
 + Treadwellphysa Molina-Acevedo & Carrera-Parra, 2017 [ACCEPTED GENUS 2298:84SNZ nidx=null]
Trematotrochus
 - Trematotrochus [ACCEPTED GENUS 2296:7YQN nidx=null]
 + Trematotrochus Tenison-Woods, 1879 [ACCEPTED GENUS 2298:84SP4 nidx=null]
Trentonia
 - Trentonia [ACCEPTED GENUS 2296:7YRT nidx=null]
 + Trentonia Pickerill & Forbes, 1978 [ACCEPTED GENUS 2298:84SP5 nidx=null]
Treptopale
 - Treptopale [ACCEPTED GENUS 2296:7YSK nidx=null]
 + Treptopale Perkins, 1985 [ACCEPTED GENUS 2298:84SP6 nidx=null]
Tretocalyx
 - Tretocalyx [ACCEPTED GENUS 2296:7YT2 nidx=null]
 + Tretocalyx Schulze, 1901 [ACCEPTED GENUS 2298:84SP7 nidx=null]
Tretochone
 - Tretochone [ACCEPTED GENUS 2296:7YT5 nidx=null]
 + Tretochone Reid, 1958 [ACCEPTED GENUS 2298:84SP9 nidx=null]
Tretodictyidae
 - Tretodictyidae [ACCEPTED FAMILY 2296:6272T nidx=null]
 + Tretodictyidae Schulze, 1886 [ACCEPTED FAMILY 2298:84KJ7 nidx=null]
Tretodictyum
 - Tretodictyum [ACCEPTED GENUS 2296:7YT8 nidx=null]
 + Tretodictyum Schulze, 1886 [ACCEPTED GENUS 2298:84SPB nidx=null]
Tretolophus paniceus
 - Tretolophus paniceus Sollas, 1888 [SYNONYM SPECIES 2296:584JM nidx=null parent=3SY9Q]
 + Tretolophus paniceus Sollas, 1888 [SYNONYM SPECIES 2298:852K4 nidx=null parent=3SY9Q]
Tretopleura
 - Tretopleura [ACCEPTED GENUS 2296:7YTM nidx=null]
 + Tretopleura Ijima, 1927 [ACCEPTED GENUS 2298:84SPC nidx=null]
Tretoprion
 - Tretoprion [ACCEPTED GENUS 2296:7YTN nidx=null]
 + Tretoprion Hints, 1999 [ACCEPTED GENUS 2298:84SPD nidx=null]
Tretoprionidae
 - Tretoprionidae [ACCEPTED FAMILY 2296:HDF nidx=null]
 + Tretoprionidae Hints, 1999 [ACCEPTED FAMILY 2298:84KJ8 nidx=null]
Triangulocypris
 - Triangulocypris [ACCEPTED GENUS 2296:7YWN nidx=null]
 + Triangulocypris Teeter, 1975 [ACCEPTED GENUS 2298:84SPG nidx=null]
Triangulostoma
 - Triangulostoma [ACCEPTED GENUS 2296:7YWT nidx=null]
 + Triangulostoma Schornikov & Keyser, 2004 [ACCEPTED GENUS 2298:84SPH nidx=null]
Trianthema corymbosum
 - Trianthema corymbosum E. Mey. [SYNONYM SPECIES 2296:585JW nidx=null parent=585JX]
 + Trianthema corymbosum E. Mey. [SYNONYM SPECIES 2298:84Z4C nidx=null parent=585JX]
Tribrachium
 - Tribrachium [ACCEPTED GENUS 2296:7YZK nidx=null]
 + Tribrachium Weltner, 1882 [ACCEPTED GENUS 2298:84SPK nidx=null]
Trichapseudes
 - Trichapseudes [ACCEPTED GENUS 2296:7Z48 nidx=null]
 + Trichapseudes Barnard, 1920 [ACCEPTED GENUS 2298:84SPN nidx=null]
Trichobranchidae
 - Trichobranchidae [ACCEPTED FAMILY 2296:62727 nidx=null]
 + Trichobranchidae Malmgren, 1866 [ACCEPTED FAMILY 2298:84KJ9 nidx=null]
Trichobranchus
 - Trichobranchus [ACCEPTED GENUS 2296:7Z86 nidx=null]
 + Trichobranchus Malmgren, 1866 [ACCEPTED GENUS 2298:84SPQ nidx=null]
Trichobranchus bibranchiatus
 - Trichobranchus bibranchiatus Moore, 1903 [SYNONYM SPECIES 2296:589WS nidx=null parent=589X4]
 + Trichobranchus bibranchiatus Moore, 1903 [ACCEPTED SPECIES 2298:852K5 nidx=null]
Trichobranchus glacialis antarcticus
 - Trichobranchus glacialis antarcticus Hessle, 1917 [ACCEPTED INFRASPECIFIC_NAME 2296:5F96Q nidx=null]
 + Trichobranchus glacialis antarcticus Hessle, 1917 [SYNONYM SUBSPECIES 2298:852PX nidx=null parent=85FK8]
Trichodrilus
 - Trichodrilus [ACCEPTED GENUS 2296:7ZBS nidx=null]
 + Trichodrilus Claparède, 1862 [ACCEPTED GENUS 2298:84SPT nidx=null]
Trichogorgia
 - Trichogorgia [ACCEPTED GENUS 2296:7ZCX nidx=null]
 + Trichogorgia Hickson, 1904 [ACCEPTED GENUS 2298:84SPV nidx=null]
Trichogypsia
 - Trichogypsia [ACCEPTED GENUS 2296:7ZD7 nidx=null]
 + Trichogypsia Carter, 1871 [ACCEPTED GENUS 2298:84SPW nidx=null]
Trichogypsiidae
 - Trichogypsiidae [ACCEPTED FAMILY 2296:6272C nidx=null]
 + Trichogypsiidae Borojevic, Boury-Esnault & Vacelet, 2000 [ACCEPTED FAMILY 2298:84KJB nidx=null]
Trichoplacidae
 - Trichoplacidae [ACCEPTED FAMILY 2296:HF9 nidx=null]
 + Trichoplacidae Bütschli & Hatschek, 1905 [ACCEPTED FAMILY 2298:84KJC nidx=null]
Trichoplax
 - Trichoplax [ACCEPTED GENUS 2296:7ZK4 nidx=null]
 + Trichoplax Schulze, 1883 [ACCEPTED GENUS 2298:84SPZ nidx=null]
Tricoquimba
 - Tricoquimba [ACCEPTED GENUS 2296:7ZTD nidx=null]
 + Tricoquimba Hu & Tao, 2008 [ACCEPTED GENUS 2298:84SQ3 nidx=null]
Triditrupa
 - Triditrupa [ACCEPTED GENUS 2296:7ZVP nidx=null]
 + Triditrupa Regenhardt, 1961 [ACCEPTED GENUS 2298:84SQ5 nidx=null]
Triebelina
 - Triebelina [ACCEPTED GENUS 2296:7ZVV nidx=null]
 + Triebelina Bold, 1946 [ACCEPTED GENUS 2298:84SQ6 nidx=null]
Trieminentia
 - Trieminentia [ACCEPTED GENUS 2296:7ZW2 nidx=null]
 + Trieminentia Harman & Loden, 1978 [ACCEPTED GENUS 2298:84SQ7 nidx=null]
Triginglymus
 - Triginglymus [ACCEPTED GENUS 2296:7ZWZ nidx=null]
 + Triginglymus Blake, 1950 [ACCEPTED GENUS 2298:84SQ8 nidx=null]
Trikentrion
 - Trikentrion [ACCEPTED GENUS 2296:824G nidx=null]
 + Trikentrion Ehlers, 1870 [ACCEPTED GENUS 2298:84SQD nidx=null]
Trikentrion wickersi
 - Trikentrion wickersi (Bowerbank, 1864) [SYNONYM SPECIES 2296:58TTG nidx=null parent=32N29]
 + Trikentrion wickersi [SYNONYM SPECIES 2298:852KC nidx=null parent=32N29]
Trilobodrilus
 - Trilobodrilus [ACCEPTED GENUS 2296:8259 nidx=null]
 + Trilobodrilus Remane, 1925 [ACCEPTED GENUS 2298:84SQF nidx=null]
Trilospora
 - Trilospora [ACCEPTED GENUS 2296:825Y nidx=null]
 + Trilospora Noble, 1939 [ACCEPTED GENUS 2298:84SQG nidx=null]
Trilosporidae
 - Trilosporidae [ACCEPTED FAMILY 2296:HGJ nidx=null]
 + Trilosporidae Shulman, 1959 [ACCEPTED FAMILY 2298:84KJD nidx=null]
Trimuricea
 - Trimuricea [ACCEPTED GENUS 2296:827L nidx=null]
 + Trimuricea Gordon, 1926 [ACCEPTED GENUS 2298:84SQJ nidx=null]
Tripalea
 - Tripalea [ACCEPTED GENUS 2296:63W4V nidx=null]
 + Tripalea Bayer, 1955 [ACCEPTED GENUS 2298:84SQK nidx=null]
Triparatanais
 - Triparatanais [ACCEPTED GENUS 2296:64857 nidx=null]
 + Triparatanais Bamber & Chatterjee, 2010 [ACCEPTED GENUS 2298:84SQL nidx=null]
Tripolydora
 - Tripolydora [ACCEPTED GENUS 2296:82DP nidx=null]
 + Tripolydora Woodwick, 1964 [ACCEPTED GENUS 2298:84SQM nidx=null]
Triptolemma
 - Triptolemma [ACCEPTED GENUS 2296:82F3 nidx=null]
 + Triptolemma Laubenfels, 1955 [ACCEPTED GENUS 2298:84SQP nidx=null]
Trissocyclidae
 - Trissocyclidae [ACCEPTED FAMILY 2296:HHF nidx=null]
 + Trissocyclidae Haeckel, 1881 [ACCEPTED FAMILY 2298:84KJH nidx=null]
Trochochaeta
 - Trochochaeta [ACCEPTED GENUS 2296:82R6 nidx=null]
 + Trochochaeta Levinsen, 1884 [ACCEPTED GENUS 2298:84SQR nidx=null]
Trochochaetidae
 - Trochochaetidae [ACCEPTED FAMILY 2296:HJ5 nidx=null]
 + Trochochaetidae Pettibone, 1963 [ACCEPTED FAMILY 2298:84KJJ nidx=null]
Trochocyathus
 - Trochocyathus [ACCEPTED GENUS 2296:82R9 nidx=null]
 + Trochocyathus Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84SQS nidx=null]
Trochoderma mirabile
 - Trochoderma mirabile Ridley & Dendy, 1886 [SYNONYM SPECIES 2296:597CY nidx=null parent=VPVH]
 + Trochoderma mirabile Ridley & Dendy, 1886 [SYNONYM SPECIES 2298:852KH nidx=null parent=84TRJ]
Trochonerilla
 - Trochonerilla [ACCEPTED GENUS 2296:82RS nidx=null]
 + Trochonerilla Tzetlin & Saphonov, 1992 [ACCEPTED GENUS 2298:84SQT nidx=null]
Trochopsammia
 - Trochopsammia [ACCEPTED GENUS 2296:82RW nidx=null]
 + Trochopsammia Pourtalès, 1878 [ACCEPTED GENUS 2298:84SQV nidx=null]
Trochoseris
 - Trochoseris [ACCEPTED GENUS 2296:82S5 nidx=null]
 + Trochoseris Milne Edwards & Haime, 1849 [ACCEPTED GENUS 2298:84SQW nidx=null]
Trochosmilia
 - Trochosmilia [ACCEPTED GENUS 2296:82S8 nidx=null]
 + Trochosmilia Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84SQX nidx=null]
Trochospongilla
 - Trochospongilla [ACCEPTED GENUS 2296:82SC nidx=null]
 + Trochospongilla Vejdovsky, 1888 [ACCEPTED GENUS 2298:84SQY nidx=null]
Trochospongilla philotiana
 - Trochospongilla philotiana Annandale, 1907 [SYNONYM SPECIES 2296:597RD nidx=null parent=597RC]
 + Trochospongilla philotiana [SYNONYM SPECIES 2298:84Z3L nidx=null parent=597RC]
Troglochaetus
 - Troglochaetus [ACCEPTED GENUS 2296:82TZ nidx=null]
 + Troglochaetus Delachaux, 1921 [ACCEPTED GENUS 2298:84SR2 nidx=null]
Troglodrilus
 - Troglodrilus [ACCEPTED GENUS 2296:63W5W nidx=null]
 + Troglodrilus Juget, Châtelliers & Rodriguez, 2006 [ACCEPTED GENUS 2298:84SR3 nidx=null]
Trogolaphysa yoshius
 - Trogolaphysa yoshius Thibaud, J-M & Najt, J, 1988 [SYNONYM SPECIES 2296:599DK nidx=null parent=599DM]
 + Trogolaphysa yoshius Thibaud, J-M & Najt, J, 1988 [SYNONYM SPECIES 2298:852KJ nidx=null parent=599DM]
Trophonia hirsuta
 - Trophonia hirsuta Hansen, 1878 [SYNONYM SPECIES 2296:7CX96 nidx=null parent=36JVP]
 + Trophonia hirsuta Hansen, 1878 [SYNONYM SPECIES 2298:852KK nidx=null parent=85FCV]
Trophoniella
 - Trophoniella [ACCEPTED GENUS 2296:82YS nidx=null]
 + Trophoniella Caullery, 1944 [ACCEPTED GENUS 2298:84SR4 nidx=null]
Tropidocyathus
 - Tropidocyathus [ACCEPTED GENUS 2296:63W5C nidx=null]
 + Tropidocyathus Milne Edwards & Haime, 1848 [ACCEPTED GENUS 2298:84SR6 nidx=null]
Truncatoflabellum
 - Truncatoflabellum [ACCEPTED GENUS 2296:837M nidx=null]
 + Truncatoflabellum Cairns, 1989 [ACCEPTED GENUS 2298:84SR8 nidx=null]
Truncatoguynia
 - Truncatoguynia [ACCEPTED GENUS 2296:837N nidx=null]
 + Truncatoguynia Cairns, 1989 [ACCEPTED GENUS 2298:84SR9 nidx=null]
Trychella
 - Trychella [ACCEPTED GENUS 2296:838T nidx=null]
 + Trychella Reiswig & Kelly, 2018 [ACCEPTED GENUS 2298:84SRB nidx=null]
Trygaeus
 - Trygaeus [ACCEPTED GENUS 2296:8397 nidx=null]
 + Trygaeus Dohrn, 1881 [ACCEPTED GENUS 2298:84SRC nidx=null]
Trypanedenta
 - Trypanedenta [ACCEPTED GENUS 2296:839X nidx=null]
 + Trypanedenta Imajima & Hartman, 1964 [ACCEPTED GENUS 2298:84SRD nidx=null]
Trypanobia
 - Trypanobia [ACCEPTED GENUS 2296:63W6Q nidx=null]
 + Trypanobia Imajima & Hartman, 1964 [ACCEPTED GENUS 2298:84SRF nidx=null]
Trypanospina
 - Trypanospina [ACCEPTED GENUS 2296:63VV3 nidx=null]
 + Trypanospina Álvarez-Campos, Taboada, San Martín, Leiva & Riesgo, 2018 [ACCEPTED GENUS 2298:84SRH nidx=null]
Trypanosyllis
 - Trypanosyllis [ACCEPTED GENUS 2296:63W6R nidx=null]
 + Trypanosyllis Claparède, 1864 [ACCEPTED GENUS 2298:84SRJ nidx=null]
Trypanosyllis (Trypanosyllis) coeliaca
 - Trypanosyllis (Trypanosyllis) coeliaca Claparède, 1868 [ACCEPTED SPECIES 2296:59FH6 nidx=null]
 + Trypanosyllis (Trypanosyllis) coeliaca Claparède, 1868 [SYNONYM SPECIES 2298:852KL nidx=null parent=4PCH8]
Trypanosyllis coeliaca
 - Trypanosyllis coeliaca Claparède, 1868 [SYNONYM SPECIES 2296:59FHJ nidx=null parent=59FH6]
 + Trypanosyllis coeliaca [ACCEPTED SPECIES 2298:84Z3T nidx=null]
 + Trypanosyllis coeliaca Claparède, 1868 [SYNONYM SPECIES 2298:84Z3V nidx=null parent=4PCH8]
Trypanosyllis rosea
 - Trypanosyllis rosea (Grube, 1863) [SYNONYM SPECIES 2296:59FJG nidx=null parent=59FH6]
 + Trypanosyllis rosea (Grube, 1863) [SYNONYM SPECIES 2298:852KM nidx=null parent=4PCH8]
Tsitsikamma
 - Tsitsikamma [ACCEPTED GENUS 2296:6486B nidx=null]
 + Tsitsikamma Samaai & Kelly, 2002 [ACCEPTED GENUS 2298:84SRK nidx=null]
Tsitsikamma favus
 - Tsitsikamma favus Samaai & Kelly, 2002 [ACCEPTED SPECIES 2296:59HL2 nidx=null]
 + Tsitsikamma favus Samaai & Kelly, 2002 [SYNONYM SPECIES 2298:852KN nidx=null parent=85TBG]
Tsitsikamma pedunculata
 - Tsitsikamma pedunculata Samaai, Gibbons, Kelly & Davies-Coleman, 2003 [ACCEPTED SPECIES 2296:59HL3 nidx=null]
 + Tsitsikamma pedunculata Samaai & Kelly, 2003 [SYNONYM SPECIES 2298:852KP nidx=null parent=85TBD]
Tsitsikamma scurra
 - Tsitsikamma scurra Samaai, Gibbons, Kelly & Davies-Coleman, 2003 [ACCEPTED SPECIES 2296:59HL4 nidx=null]
 + Tsitsikamma scurra Samaai & Kelly, 2003 [SYNONYM SPECIES 2298:852KQ nidx=null parent=85TBJ]
Tsuranarthrura
 - Tsuranarthrura [ACCEPTED GENUS 2296:83F4 nidx=null]
 + Tsuranarthrura Kakui & Tomioka, 2018 [ACCEPTED GENUS 2298:84SRL nidx=null]
Tuba bursaria
 - Tuba bursaria (Lamarck, 1814) [SYNONYM SPECIES 2296:7D9Y4 nidx=null parent=PWNG]
 + Tuba bursaria (Lamarck, 1814) [SYNONYM SPECIES 2298:852KR nidx=null parent=PWML]
Tuba irregularis
 - Tuba irregularis Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2296:59HQN nidx=null parent=PWNG]
 + Tuba irregularis Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2298:852KS nidx=null parent=PWML]
Tuba lineata
 - Tuba lineata Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2296:59HQR nidx=null parent=PWNG]
 + Tuba lineata Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2298:852KT nidx=null parent=PWML]
Tuba lineata var. flabelliformis
 - Tuba lineata var. flabelliformis Carter, 1882 [SYNONYM VARIETY 2296:5RXWM nidx=null parent=PWNG]
 + Tuba lineata var. flabelliformis Carter, 1882 [SYNONYM VARIETY 2298:852WK nidx=null parent=PWML]
Tuba lineata var. simplex
 - Tuba lineata var. simplex Duchassaing & Michelotti, 1864 [SYNONYM VARIETY 2296:5RXWN nidx=null parent=PWNG]
 + Tuba lineata var. simplex Duchassaing & Michelotti, 1864 [SYNONYM VARIETY 2298:852WL nidx=null parent=PWML]
Tuba megastoma
 - Tuba megastoma Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2296:59HQT nidx=null parent=PWNG]
 + Tuba megastoma Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2298:852KV nidx=null parent=PWML]
Tuba sagoti
 - Tuba sagoti Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2296:59HQZ nidx=null parent=PWNG]
 + Tuba sagoti Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2298:852KW nidx=null parent=PWML]
Tuba sanctaecrucis
 - Tuba sanctaecrucis Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2296:59HR2 nidx=null parent=PWNG]
 + Tuba sanctaecrucis Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2298:852KX nidx=null parent=PWML]
Tuba simplex
 - Tuba simplex Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2296:59HR4 nidx=null parent=PWNG]
 + Tuba simplex Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2298:852KY nidx=null parent=PWML]
Tuba sororia
 - Tuba sororia Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2296:59HR5 nidx=null parent=PWNG]
 + Tuba sororia Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2298:852KZ nidx=null parent=PWML]
Tuba subenervia
 - Tuba subenervia Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2296:59HR6 nidx=null parent=PWNG]
 + Tuba subenervia Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2298:852L2 nidx=null parent=PWML]
Tuba tortolensis
 - Tuba tortolensis Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2296:59HR7 nidx=null parent=PWNG]
 + Tuba tortolensis Duchassaing & Michelotti, 1864 [SYNONYM SPECIES 2298:852L3 nidx=null parent=PWML]
Tuba vaginalis
 - Tuba vaginalis (Lamarck, 1814) [SYNONYM SPECIES 2296:59HR8 nidx=null parent=PWNG]
 + Tuba vaginalis (Lamarck, 1814) [SYNONYM SPECIES 2298:852L4 nidx=null parent=PWML]
Tubastraea
 - Tubastraea [ACCEPTED GENUS 2296:83FQ nidx=null]
 + Tubastraea Lesson, 1830 [ACCEPTED GENUS 2298:84SRM nidx=null]
Tuberapseudes
 - Tuberapseudes [ACCEPTED GENUS 2296:83G2 nidx=null]
 + Tuberapseudes Bacescu & Gutu, 1971 [ACCEPTED GENUS 2298:84SRN nidx=null]
Tuberculocythere
 - Tuberculocythere [ACCEPTED GENUS 2296:83GS nidx=null]
 + Tuberculocythere Colalongo & Pasini, 1980 [ACCEPTED GENUS 2298:84SRP nidx=null]
Tuberoceratina
 - Tuberoceratina [ACCEPTED GENUS 2296:83H9 nidx=null]
 + Tuberoceratina Gruendel & Kozur, 1972 [ACCEPTED GENUS 2298:84SRQ nidx=null]
Tuberoloxoconcha
 - Tuberoloxoconcha [ACCEPTED GENUS 2296:83HL nidx=null]
 + Tuberoloxoconcha Hartmann, 1973 [ACCEPTED GENUS 2298:84SRR nidx=null]
Tubicotomaculum
 - Tubicotomaculum [ACCEPTED GENUS 2296:83J6 nidx=null]
 + Tubicotomaculum Chiplonkar & Ghare, 1977 [ACCEPTED GENUS 2298:84SRS nidx=null]
Tubifex
 - Tubifex [ACCEPTED GENUS 2296:83J9 nidx=null]
 - Tubifex [ACCEPTED GENUS 2296:7Q5GT nidx=null]
 + Tubifex Lamarck, 1816 ['Tubifex' taxa now in Polychaeta] [ACCEPTED GENUS 2298:84SRT nidx=null]
 + Tubifex Lamarck, 1816 [ACCEPTED GENUS 2298:84SRV nidx=null]
Tubifex tubifex f. grandiseta
 - Tubifex tubifex f. grandiseta Rodriguez, 1986 [SYNONYM FORM 2296:5T3TQ nidx=null parent=7J4KF]
 + Tubifex tubifex f. grandiseta Rodriguez, 1986 [ACCEPTED FORM 2298:852WW nidx=null]
Tubifex tubifex var. heterochaetus
 - Tubifex tubifex var. heterochaetus Černosvitov, 1926 [SYNONYM VARIETY 2296:5RXYK nidx=null parent=7J4KF]
 + Tubifex tubifex var. heterochaetus Černosvitov, 1926 [SYNONYM VARIETY 2298:852WM nidx=null parent=59JSX]
Tubifex umbellifer
 - Tubifex umbellifer (Grube, 1861) [SYNONYM SPECIES 2296:59JSY nidx=null parent=4ND3T]
 + Tubifex umbellifer (Kessler, 1868) [SYNONYM SPECIES 2298:852L7 nidx=null parent=4ND3T]
Tubificidarum
 - Tubificidarum [ACCEPTED GENUS 2296:6487P nidx=null]
 + Tubificidarum Karaman, 1973 [ACCEPTED GENUS 2298:84SRW nidx=null]
Tubificoides
 - Tubificoides [ACCEPTED GENUS 2296:83JB nidx=null]
 + Tubificoides Lastočkin, 1937 [ACCEPTED GENUS 2298:84SRX nidx=null]
Tubigorgia
 - Tubigorgia [ACCEPTED GENUS 2296:63VVR nidx=null]
 + Tubigorgia Pasternak, 1985 [ACCEPTED GENUS 2298:84SRY nidx=null]
Tubiluchidae
 - Tubiluchidae [ACCEPTED FAMILY 2296:HKW nidx=null]
 + Tubiluchidae van der Land, 1970 [ACCEPTED FAMILY 2298:84KJK nidx=null]
Tubiluchus
 - Tubiluchus [ACCEPTED GENUS 2296:83JF nidx=null]
 + Tubiluchus van der Land, 1968 [ACCEPTED GENUS 2298:84SRZ nidx=null]
Tubipora
 - Tubipora [ACCEPTED GENUS 2296:83JL nidx=null]
 + Tubipora Linnaeus, 1758 [ACCEPTED GENUS 2298:84SS2 nidx=null]
Tubiporidae
 - Tubiporidae [ACCEPTED FAMILY 2296:HKX nidx=null]
 + Tubiporidae Ehrenberg, 1828 [ACCEPTED FAMILY 2298:84KJL nidx=null]
Tubonemertes
 - Tubonemertes [ACCEPTED GENUS 2296:83JW nidx=null]
 + Tubonemertes Coe, 1954 [ACCEPTED GENUS 2298:84SS3 nidx=null]
Tubulanidae
 - Tubulanidae [ACCEPTED FAMILY 2296:HKZ nidx=null]
 + Tubulanidae Bürger, 1905 [ACCEPTED FAMILY 2298:84KJM nidx=null]
Tubulanus
 - Tubulanus [ACCEPTED GENUS 2296:83K6 nidx=null]
 + Tubulanus Renier, 1804 [ACCEPTED GENUS 2298:84SS5 nidx=null]
Tulearinia
 - Tulearinia [ACCEPTED GENUS 2296:83MM nidx=null]
 + Tulearinia Vacelet, 1977 [ACCEPTED GENUS 2298:84SS6 nidx=null]
Tumidochelia
 - Tumidochelia [ACCEPTED GENUS 2296:83PC nidx=null]
 + Tumidochelia Knight, Larsen & Heard, 2003 [ACCEPTED GENUS 2298:84SS9 nidx=null]
Turbinaria
 - Turbinaria [ACCEPTED GENUS 2296:83SN nidx=null]
 + Turbinaria Oken, 1815 [ACCEPTED GENUS 2298:84SSC nidx=null]
Turbinolia
 - Turbinolia [ACCEPTED GENUS 2296:63VW4 nidx=null]
 + Turbinolia Lamarck, 1816 [ACCEPTED GENUS 2298:84SSF nidx=null]
Turbinoliidae
 - Turbinoliidae [ACCEPTED FAMILY 2296:626RS nidx=null]
 + Turbinoliidae Milne Edwards & Haime, 1848 [ACCEPTED FAMILY 2298:84KJP nidx=null]
Turbinoseris
 - Turbinoseris [ACCEPTED GENUS 2296:83SV nidx=null]
 + Turbinoseris Duncan, 1873 [ACCEPTED GENUS 2298:84SSG nidx=null]
Turbocavus
 - Turbocavus [ACCEPTED GENUS 2296:83SZ nidx=null]
 + Turbocavus Prentiss, Vasileiadou, Faulwetter, Arvanitidis & ten Hove, 2014 [ACCEPTED GENUS 2298:84SSH nidx=null]
Tyira
 - Tyira [ACCEPTED GENUS 2296:83ZK nidx=null]
 + Tyira Hutchings, 1997 [ACCEPTED GENUS 2298:84SSJ nidx=null]
Tylexocladus
 - Tylexocladus [ACCEPTED GENUS 2296:8429 nidx=null]
 + Tylexocladus Topsent, 1898 [ACCEPTED GENUS 2298:84SSK nidx=null]
Tylonereis
 - Tylonereis [ACCEPTED GENUS 2296:843L nidx=null]
 + Tylonereis Fauvel, 1911 [ACCEPTED GENUS 2298:84SSM nidx=null]
Tylorhynchus heterochaetus
 - Tylorhynchus heterochaetus [auctt.] [SYNONYM SPECIES 2296:7CZRR nidx=null parent=7CZS6]
 + Tylorhynchus heterochaetus [auctt.] [SYNONYM SPECIES 2298:852LJ nidx=null parent=85FKG]
Tylorrhynchus
 - Tylorrhynchus [ACCEPTED GENUS 2296:844D nidx=null]
 + Tylorrhynchus Grube, 1866 [ACCEPTED GENUS 2298:84SSN nidx=null]
Tylorrhynchus chinensis
 - Tylorrhynchus chinensis Grube, 1866 [ACCEPTED SPECIES 2296:7CZRT nidx=null]
 + Tylorrhynchus chinensis Grube, 1866 [SYNONYM SPECIES 2298:852LK nidx=null parent=85FKG]
Tylorrhynchus hetereochaetosus
 - Tylorrhynchus hetereochaetosus (Quatrefages, 1866) [ACCEPTED SPECIES 2296:7CZS5 nidx=null]
 + Tylorrhynchus hetereochaetosus [auct. misspelling] [SYNONYM SPECIES 2298:852LL nidx=null parent=85FKG]
Tylorrhynchus heterochaetus
 - Tylorrhynchus heterochaetus (Quatrefages, 1866) [ACCEPTED SPECIES 2296:7CZS6 nidx=null]
 + Tylorrhynchus heterochaetus [auct. misspelling] [SYNONYM SPECIES 2298:852LM nidx=null parent=85FKG]
Tylosigma
 - Tylosigma [ACCEPTED GENUS 2296:844H nidx=null]
 + Tylosigma Topsent, 1894 [ACCEPTED GENUS 2298:84SSP nidx=null]
Typhlamia
 - Typhlamia [ACCEPTED GENUS 2296:847G nidx=null]
 + Typhlamia Blazewicz-Paszkowycz, 2007 [ACCEPTED GENUS 2298:84SSR nidx=null]
Typhlapseudes
 - Typhlapseudes [ACCEPTED GENUS 2296:847J nidx=null]
 + Typhlapseudes Beddard, 1886 [ACCEPTED GENUS 2298:84SSS nidx=null]
Typhlocypris
 - Typhlocypris [ACCEPTED GENUS 2296:848H nidx=null]
 + Typhlocypris Vejdovsky, 1882 [ACCEPTED GENUS 2298:84SST nidx=null]
Typhlocythere
 - Typhlocythere [ACCEPTED GENUS 2296:848K nidx=null]
 + Typhlocythere Bonaduce, Ciampo & Masoli, 1976 [ACCEPTED GENUS 2298:84SSV nidx=null]
Typhloerstedia
 - Typhloerstedia [ACCEPTED GENUS 2296:848W nidx=null]
 + Typhloerstedia Chernyshev, 1999 [ACCEPTED GENUS 2298:84SSW nidx=null]
Typhlonemertes aurantiaca
 - Typhlonemertes aurantiaca [SYNONYM SPECIES 2296:59WWQ nidx=null parent=4B85G]
 + Typhlonemertes aurantiaca (du Plessis, 1891) [SYNONYM SPECIES 2298:852LN nidx=null parent=4B85G]
Typhlonemertes claparedii
 - Typhlonemertes claparedii [SYNONYM SPECIES 2296:59WWR nidx=null parent=4B85M]
 + Typhlonemertes claparedii (du Plessis, 1891) [SYNONYM SPECIES 2298:852LP nidx=null parent=4B85M]
Typhlonemertes pallida
 - Typhlonemertes pallida [SYNONYM SPECIES 2296:59WWS nidx=null parent=4B863]
 + Typhlonemertes pallida (Keferstein, 1862) [SYNONYM SPECIES 2298:852LQ nidx=null parent=4B863]
Typhloscolecidae
 - Typhloscolecidae [ACCEPTED FAMILY 2296:HMT nidx=null]
 + Typhloscolecidae Uljanin, 1878 [ACCEPTED FAMILY 2298:84KJQ nidx=null]
Typhloscolex
 - Typhloscolex [ACCEPTED GENUS 2296:63W8S nidx=null]
 + Typhloscolex Busch, 1851 [ACCEPTED GENUS 2298:84SSX nidx=null]
Typhlotanaidae
 - Typhlotanaidae [ACCEPTED FAMILY 2296:62744 nidx=null]
 + Typhlotanaidae Sieg, 1984 [ACCEPTED FAMILY 2298:84KJR nidx=null]
Typhlotanais
 - Typhlotanais [ACCEPTED GENUS 2296:63VWR nidx=null]
 + Typhlotanais Sars, 1882 [ACCEPTED GENUS 2298:84SSY nidx=null]
Typhlotanoides
 - Typhlotanoides [ACCEPTED GENUS 2296:63VX3 nidx=null]
 + Typhlotanoides Sieg, 1983 [ACCEPTED GENUS 2298:84SSZ nidx=null]
Typosyllis (Langerhansia) ferruginea
 - Typosyllis (Langerhansia) ferruginea (Langerhans, 1881) [SYNONYM SPECIES 2296:59YKZ nidx=null parent=6TNX8]
 + Typosyllis (Langerhansia) ferruginea [lapsus for ferrugina] [SYNONYM SPECIES 2298:852LR nidx=null parent=6TNX8]
Typosyllis (Typosyllis) dichatoensis
 - Typosyllis (Typosyllis) dichatoensis Hartmann-Schröder, 1962 [SYNONYM SPECIES 2296:7DCBR nidx=null parent=7DCBW]
 + Typosyllis (Typosyllis) dichatoensis Hartmann-Schröder, 1962 [SYNONYM SPECIES 2298:852LS nidx=null parent=53MXH]
Typosyllis anops
 - Typosyllis anops (Ehlers, 1897) [ACCEPTED SPECIES 2296:59YN4 nidx=null]
 + Typosyllis anops (Ehlers, 1897) [SYNONYM SPECIES 2298:852LT nidx=null parent=84YV6]
Typosyllis bella
 - Typosyllis bella Chamberlin, 1919 [ACCEPTED SPECIES 2296:59YND nidx=null]
 + Typosyllis bella Chamberlin, 1919 [SYNONYM SPECIES 2298:84Z4H nidx=null parent=53MQT]
Typosyllis beneliahuae
 - Typosyllis beneliahuae (Campoy & Alquezar, 1982) [ACCEPTED SPECIES 2296:59YNF nidx=null]
 + Typosyllis beneliahuae (Campoy, 1982) [SYNONYM SPECIES 2298:852LV nidx=null parent=7B7BP]
Typosyllis beneliahuaei
 - Typosyllis beneliahuaei (Campoy & Alquézar, 1982) [SYNONYM SPECIES 2296:59YNG nidx=null parent=7B7BP]
 + Typosyllis beneliahuaei [auct. lapsus] [SYNONYM SPECIES 2298:852LW nidx=null parent=7B7BP]
Typosyllis brevipennis
 - Typosyllis brevipennis (Grube, 1863) [SYNONYM SPECIES 2296:59YNN nidx=null parent=59FH6]
 + Typosyllis brevipennis (Grube, 1863) [SYNONYM SPECIES 2298:84Z4J nidx=null parent=4PCH8]
Typosyllis complanata
 - Typosyllis complanata (Treadwell, 1901) [ACCEPTED SPECIES 2296:59YNY nidx=null]
 + Typosyllis complanata (Treadwell, 1901) [SYNONYM SPECIES 2298:852LX nidx=null parent=852GS]
Typosyllis dichatoensis
 - Typosyllis dichatoensis Hartmann-Schröder, 1962 [SYNONYM SPECIES 2296:7DCBN nidx=null parent=7DCBW]
 + Typosyllis dichatoensis Hartmann-Schröder, 1962 [SYNONYM SPECIES 2298:852LY nidx=null parent=53MXH]
Typosyllis heterochaeta
 - Typosyllis heterochaeta (Moore, 1909) [ACCEPTED SPECIES 2296:59YPW nidx=null]
 + Typosyllis heterochaeta (Moore, 1909) [SYNONYM SPECIES 2298:852LZ nidx=null parent=53MTB]
Typosyllis japonica
 - Typosyllis japonica (Imajima, 1966) [ACCEPTED SPECIES 2296:59YQ5 nidx=null]
 + Typosyllis japonica (Imajima, 1966) [SYNONYM SPECIES 2298:852M2 nidx=null parent=85FGZ]
Typosyllis magna
 - Typosyllis magna (Westheide, 1974) [ACCEPTED SPECIES 2296:59YQH nidx=null]
 + Typosyllis magna (Westheide, 1974) [SYNONYM SPECIES 2298:852M3 nidx=null parent=85FH4]
Typosyllis maryae
 - Typosyllis maryae (San Martín, 1992) [ACCEPTED SPECIES 2296:59YQL nidx=null]
 + Typosyllis maryae (San Martín, 1992) [SYNONYM SPECIES 2298:852M4 nidx=null parent=7B73V]
Typosyllis mexicana
 - Typosyllis mexicana (Rioja, 1960) [ACCEPTED SPECIES 2296:59YQP nidx=null]
 + Typosyllis mexicana (Rioja, 1960) [SYNONYM SPECIES 2298:852M5 nidx=null parent=7B73P]
Typosyllis nigropharyngea
 - Typosyllis nigropharyngea (Day, 1951) [ACCEPTED SPECIES 2296:59YQW nidx=null]
 + Typosyllis nigropharyngea (Day, 1951) [SYNONYM SPECIES 2298:852M6 nidx=null parent=53MXQ]
Typosyllis nigropunctata
 - Typosyllis nigropunctata (Haswell, 1886) [ACCEPTED SPECIES 2296:59YQX nidx=null]
 + Typosyllis nigropunctata (Haswell, 1886) [SYNONYM SPECIES 2298:852M7 nidx=null parent=53MVB]
Typosyllis okadai
 - Typosyllis okadai (Fauvel, 1934) [ACCEPTED SPECIES 2296:59YR3 nidx=null]
 + Typosyllis okadai (Fauvel, 1934) [SYNONYM SPECIES 2298:852M8 nidx=null parent=852GT]
Typosyllis papillosus
 - Typosyllis papillosus Tovar-Hernández, Granados-Barba & Solís-Weiss, 200 [ACCEPTED SPECIES 2296:59YR7 nidx=null]
 + Typosyllis papillosus Tovar-Hernández, Granados-Barba & Solís-Weiss, 2002 [SYNONYM SPECIES 2298:852M9 nidx=null parent=85FH7]
Typosyllis prolixa
 - Typosyllis prolixa (Ehlers, 1901) [ACCEPTED SPECIES 2296:59YRD nidx=null]
 + Typosyllis prolixa (Ehlers, 1901) [SYNONYM SPECIES 2298:852MB nidx=null parent=53MW4]
Typosyllis stewarti
 - Typosyllis stewarti (Berkeley & Berkeley, 1941) [ACCEPTED SPECIES 2296:59YRT nidx=null]
 + Typosyllis stewarti (Berkeley & Berkeley, 1942) [SYNONYM SPECIES 2298:84Z4K nidx=null parent=852GV]
Typosyllis valida
 - Typosyllis valida (Grube, 1857) [ACCEPTED SPECIES 2296:7DCBW nidx=null]
 + Typosyllis valida (Grube, 1857) [SYNONYM SPECIES 2298:852MD nidx=null parent=53MXH]
Typosyllis violacea
 - Typosyllis violacea (Grube, 1870) [ACCEPTED SPECIES 2296:59YSD nidx=null]
 + Typosyllis violacea (Grube, 1869) [SYNONYM SPECIES 2298:852MF nidx=null parent=53MXP]
Tyrrhenocythere
 - Tyrrhenocythere [ACCEPTED GENUS 2296:63W8T nidx=null]
 + Tyrrhenocythere Ruggieri, 1955 [ACCEPTED GENUS 2298:84ST2 nidx=null]
Tytthotanais
 - Tytthotanais [ACCEPTED GENUS 2296:63VWX nidx=null]
 + Tytthotanais Sánchez-García, Peñalver & Perrichot, 2016 [ACCEPTED GENUS 2298:84ST3 nidx=null]
Uchidana
 - Uchidana [ACCEPTED GENUS 2296:84GC nidx=null]
 + Uchidana Iwata, 1967 [ACCEPTED GENUS 2298:84ST4 nidx=null]
Uktena
 - Uktena [ACCEPTED GENUS 2296:84KP nidx=null]
 + Uktena Fend, Rodriguez & Lenat, 2015 [ACCEPTED GENUS 2298:84ST5 nidx=null]
Ulmaridae
 - Ulmaridae [ACCEPTED FAMILY 2296:HND nidx=null]
 + Ulmaridae Haeckel, 1880 [ACCEPTED FAMILY 2298:84KJS nidx=null]
Ulmaris
 - Ulmaris [ACCEPTED GENUS 2296:84MG nidx=null]
 + Ulmaris Haeckel, 1880 [ACCEPTED GENUS 2298:84M7K nidx=null]
Ulosa
 - Ulosa [ACCEPTED GENUS 2296:84NT nidx=null]
 + Ulosa de Laubenfels, 1936 [ACCEPTED GENUS 2298:84ST6 nidx=null]
Ulosa digitata
 - Ulosa digitata (Schmidt, 1866) [SYNONYM SPECIES 2296:7DH6W nidx=null parent=7DGXC]
 + Ulosa digitata (Schmidt, 1866) [ACCEPTED SPECIES 2298:84Z4R nidx=null]
Ulosa stuposa
 - Ulosa stuposa (Esper, 1794) [ACCEPTED SPECIES 2296:7DGXC nidx=null]
 + Ulosa stuposa (Esper, 1794) [SYNONYM SPECIES 2298:852MG nidx=null parent=84Z4R]
Ulosa topsenti
 - Ulosa topsenti (Arnesen, 1920) [SYNONYM SPECIES 2296:7DGXB nidx=null parent=7DGXC]
 + Ulosa topsenti (Arnesen, 1920) [SYNONYM SPECIES 2298:84Z4S nidx=null parent=84Z4R]
Umbellula
 - Umbellula [ACCEPTED GENUS 2296:84QZ nidx=null]
 + Umbellula Gray, 1870 [ACCEPTED GENUS 2298:84ST8 nidx=null]
Umbellula pallida
 - Umbellula pallida Lindahl, 1874 [ACCEPTED SPECIES 2296:7DH4Z nidx=null]
 + Umbellula pallida Lindahl, 1874 [SYNONYM SPECIES 2298:852MH nidx=null parent=7DGQP]
Umbellulidae
 - Umbellulidae [ACCEPTED FAMILY 2296:HNQ nidx=null]
 + Umbellulidae Kölliker, 1880 [ACCEPTED FAMILY 2298:84KJT nidx=null]
Umbellulifera
 - Umbellulifera [ACCEPTED GENUS 2296:84R3 nidx=null]
 + Umbellulifera Thomson & Dean, 1931 [ACCEPTED GENUS 2298:84ST9 nidx=null]
Umborotula
 - Umborotula [ACCEPTED GENUS 2296:84RL nidx=null]
 + Umborotula Penney & Racek, 1968 [ACCEPTED GENUS 2298:84STB nidx=null]
Unanereis
 - Unanereis [ACCEPTED GENUS 2296:84SY nidx=null]
 + Unanereis Day, 1962 [ACCEPTED GENUS 2298:84STD nidx=null]
Uncinais
 - Uncinais [ACCEPTED GENUS 2296:84TQ nidx=null]
 + Uncinais Levinsen, 1884 [ACCEPTED GENUS 2298:84STF nidx=null]
Uncinatera
 - Uncinatera [ACCEPTED GENUS 2296:84TS nidx=null]
 + Uncinatera Topsent, 1901 [ACCEPTED GENUS 2298:84STG nidx=null]
Uncinateridae
 - Uncinateridae [ACCEPTED FAMILY 2296:HNX nidx=null]
 + Uncinateridae Reiswig, 2002 [ACCEPTED FAMILY 2298:84KJV nidx=null]
Uncinogenys
 - Uncinogenys [ACCEPTED GENUS 2296:84TW nidx=null]
 + Uncinogenys Szaniawski & Wrona, 1973 [ACCEPTED GENUS 2298:84STH nidx=null]
Uncispio
 - Uncispio [ACCEPTED GENUS 2296:63W8L nidx=null]
 + Uncispio Green, 1982 [ACCEPTED GENUS 2298:84STJ nidx=null]
Uncispionidae
 - Uncispionidae [ACCEPTED FAMILY 2296:HNZ nidx=null]
 + Uncispionidae Green, 1982 [ACCEPTED FAMILY 2298:84KJW nidx=null]
Uncopherusa
 - Uncopherusa [ACCEPTED GENUS 2296:63VY3 nidx=null]
 + Uncopherusa Fauchald & Hancock, 1984 [ACCEPTED GENUS 2298:84STK nidx=null]
Uncopolynoe
 - Uncopolynoe [ACCEPTED GENUS 2296:63W9R nidx=null]
 + Uncopolynoe Hartmann-Schröder, 1960 [ACCEPTED GENUS 2298:84STL nidx=null]
Uncorbinia
 - Uncorbinia [ACCEPTED GENUS 2296:647XR nidx=null]
 + Uncorbinia Hartmann-Schröder, 1979 [ACCEPTED GENUS 2298:84STM nidx=null]
Undecimastus
 - Undecimastus [ACCEPTED GENUS 2296:63W9T nidx=null]
 + Undecimastus Amoureux, 1983 [ACCEPTED GENUS 2298:84STN nidx=null]
Unguispinosus
 - Unguispinosus [ACCEPTED GENUS 2296:84W6 nidx=null]
 + Unguispinosus Gutu, 2008 [ACCEPTED GENUS 2298:84STP nidx=null]
Unibrachium
 - Unibrachium [ACCEPTED GENUS 2296:63VY7 nidx=null]
 + Unibrachium Southward, 1972 [ACCEPTED GENUS 2298:84STQ nidx=null]
Unicapsula
 - Unicapsula [ACCEPTED GENUS 2296:84WW nidx=null]
 + Unicapsula Davis, 1924 [ACCEPTED GENUS 2298:84STR nidx=null]
Uniporidae
 - Uniporidae [ACCEPTED FAMILY 2296:HPD nidx=null]
 + Uniporidae Stiasny-Wijnhoff [ACCEPTED FAMILY 2298:84KJX nidx=null]
Uniporodrilus
 - Uniporodrilus [ACCEPTED GENUS 2296:84XX nidx=null]
 + Uniporodrilus Erséus, 1979 [ACCEPTED GENUS 2298:84STS nidx=null]
Uniporus
 - Uniporus [ACCEPTED GENUS 2296:84XY nidx=null]
 + Uniporus Brinkmann, 1914 [ACCEPTED GENUS 2298:84STT nidx=null]
Unisulcopleura
 - Unisulcopleura [ACCEPTED GENUS 2296:6489V nidx=null]
 + Unisulcopleura Schallreuter, 1968 [ACCEPTED GENUS 2298:84STV nidx=null]
Unitanaissus
 - Unitanaissus [ACCEPTED GENUS 2296:84YB nidx=null]
 + Unitanaissus Błażewicz-Paszkowycz & Bamber, 2012 [ACCEPTED GENUS 2298:84STW nidx=null]
Urechidae
 - Urechidae [ACCEPTED FAMILY 2296:HPP nidx=null]
 + Urechidae Monro, 1927 [ACCEPTED FAMILY 2298:84KJY nidx=null]
Urechis
 - Urechis [ACCEPTED GENUS 2296:8556 nidx=null]
 + Urechis Seitz, 1907 [ACCEPTED GENUS 2298:84STY nidx=null]
Uricholemma
 - Uricholemma [ACCEPTED GENUS 2296:8563 nidx=null]
 + Uricholemma Sundberg & Gibson, 1995 [ACCEPTED GENUS 2298:84STZ nidx=null]
Uritaia halichondroides
 - Uritaia halichondroides Burton, 1932 [ACCEPTED SPECIES 2296:7DS6L nidx=null]
 + Uritaia halichondroides Burton, 1932 [SYNONYM SPECIES 2298:852MJ nidx=null parent=85SYF]
Urocythereis
 - Urocythereis [ACCEPTED GENUS 2296:8585 nidx=null]
 + Urocythereis Ruggieri, 1950 [ACCEPTED GENUS 2298:84SV3 nidx=null]
Urocythereis distinguenda
 - Urocythereis distinguenda Athersuch, 1978 [ACCEPTED SPECIES 2296:7DSVK nidx=null]
 + Urocythereis distinguenda (Neviani, 1928) [ACCEPTED SPECIES 2298:852MK nidx=null]
Uroleberis
 - Uroleberis [ACCEPTED GENUS 2296:8599 nidx=null]
 + Uroleberis Triebel, 1958 [ACCEPTED GENUS 2298:84SV5 nidx=null]
Uruguaya
 - Uruguaya [ACCEPTED GENUS 2296:647HR nidx=null]
 + Uruguaya Carter, 1881 [ACCEPTED GENUS 2298:84SV7 nidx=null]
Uruguayella
 - Uruguayella [ACCEPTED GENUS 2296:85DV nidx=null]
 + Uruguayella Bonetto & Ezcurra de Drago, 1969 [ACCEPTED GENUS 2298:84SV8 nidx=null]
Uschakovius
 - Uschakovius [ACCEPTED GENUS 2296:63VJL nidx=null]
 + Uschakovius Laubier, 1973 [ACCEPTED GENUS 2298:84SV9 nidx=null]
Ute
 - Ute [ACCEPTED GENUS 2296:85H6 nidx=null]
 + Ute Schmidt, 1862 [ACCEPTED GENUS 2298:84SVC nidx=null]
Uteopsis
 - Uteopsis [ACCEPTED GENUS 2296:85H9 nidx=null]
 + Uteopsis Dendy & Row, 1913 [ACCEPTED GENUS 2298:84SVD nidx=null]
Utolineides
 - Utolineides [ACCEPTED GENUS 2296:85J3 nidx=null]
 + Utolineides Senz, 1997 [ACCEPTED GENUS 2298:84SVG nidx=null]
Utolineus
 - Utolineus [ACCEPTED GENUS 2296:85J4 nidx=null]
 + Utolineus Gibson, 1990 [ACCEPTED GENUS 2298:84SVH nidx=null]
Vaccinium donnianum
 - Vaccinium donnianum J. Anthony [SYNONYM SPECIES 2296:7F7J8 nidx=null parent=7F7J3]
 + Vaccinium donnianum J. Anthony [SYNONYM SPECIES 2298:84Z54 nidx=null parent=7F7J3]
Vaccinium paludicolum
 - Vaccinium paludicolum Sleumer [ACCEPTED SPECIES 2296:7F79V nidx=null]
 + Vaccinium paludicolum Sleumer [ACCEPTED SPECIES 2298:84KPD nidx=null]
Vaccinium pennsylvanicum
 - Vaccinium pennsylvanicum Torr. [SYNONYM SPECIES 2296:7F6YF nidx=null parent=7F6XV]
 + Vaccinium pennsylvanicum Torr. [SYNONYM SPECIES 2298:84KPF nidx=null parent=7F6XV]
Vaceletia
 - Vaceletia [ACCEPTED GENUS 2296:85LH nidx=null]
 + Vaceletia Pickett, 1982 [ACCEPTED GENUS 2298:84SVK nidx=null]
Valdivianemertes
 - Valdivianemertes [ACCEPTED GENUS 2296:85PS nidx=null]
 + Valdivianemertes Stiasny-Wijnhoff, 1923 [ACCEPTED GENUS 2298:84SVL nidx=null]
Valencinia
 - Valencinia [ACCEPTED GENUS 2296:85Q6 nidx=null]
 + Valencinia Quatrefages, 1846 [ACCEPTED GENUS 2298:84SVN nidx=null]
Valenciniidae
 - Valenciniidae [ACCEPTED FAMILY 2296:HRK nidx=null]
 + Valenciniidae Hubrecht, 1879 [ACCEPTED FAMILY 2298:84KJZ nidx=null]
Valencinina
 - Valencinina [ACCEPTED GENUS 2296:85Q7 nidx=null]
 + Valencinina Gibson, 1981 [ACCEPTED GENUS 2298:84SVP nidx=null]
Valencinura
 - Valencinura [ACCEPTED GENUS 2296:85Q8 nidx=null]
 + Valencinura Bergendal, 1902 [ACCEPTED GENUS 2298:84SVQ nidx=null]
Vampiropolynoe
 - Vampiropolynoe [ACCEPTED GENUS 2296:85SM nidx=null]
 + Vampiropolynoe Marcus & Hourdez, 2002 [ACCEPTED GENUS 2298:84SVR nidx=null]
Vanadis
 - Vanadis [ACCEPTED GENUS 2296:85T3 nidx=null]
 + Vanadis Claparède, 1870 [ACCEPTED GENUS 2298:84SVS nidx=null]
Vandenboldina
 - Vandenboldina [ACCEPTED GENUS 2296:85TV nidx=null]
 + Vandenboldina Wilson, 2010 [ACCEPTED GENUS 2298:84SVT nidx=null]
Vansoestia
 - Vansoestia [ACCEPTED GENUS 2296:85VZ nidx=null]
 + Vansoestia Díaz, Thacker, Redmond, Pérez & Collins, 2015 [ACCEPTED GENUS 2298:84SVV nidx=null]
Varanusia
 - Varanusia [ACCEPTED GENUS 2296:85WT nidx=null]
 + Varanusia Nogueira, Hutchings & Carrerette, 2015 [ACCEPTED GENUS 2298:84SVW nidx=null]
Vargula
 - Vargula [ACCEPTED GENUS 2296:647K9 nidx=null]
 + Vargula Skogsberg, 1920 [ACCEPTED GENUS 2298:84SVX nidx=null]
Vargula ignitula
 - Vargula ignitula Cohen & Morin, 1989 [ACCEPTED SPECIES 2296:7FHTF nidx=null]
 + Vargula ignitula Cohen & Morin, 1989 [SYNONYM SPECIES 2298:852MN nidx=null parent=85HGP]
Vargula micamacula
 - Vargula micamacula Cohen & Morin, 1989 [ACCEPTED SPECIES 2296:7FHTL nidx=null]
 + Vargula micamacula Cohen & Morin, 1989 [SYNONYM SPECIES 2298:852MP nidx=null parent=85HGR]
Vargula noropsela
 - Vargula noropsela Cohen & Morin, 1989 [ACCEPTED SPECIES 2296:7FHTY nidx=null]
 + Vargula noropsela Cohen & Morin, 1989 [SYNONYM SPECIES 2298:852MQ nidx=null parent=85HGS]
Vargula psammobia
 - Vargula psammobia Cohen & Morin, 1989 [ACCEPTED SPECIES 2296:7FHTT nidx=null]
 + Vargula psammobia Cohen & Morin, 1989 [SYNONYM SPECIES 2298:852MR nidx=null parent=85HGT]
Vargula scintilla
 - Vargula scintilla Cohen & Morin, 1989 [ACCEPTED SPECIES 2296:7FHSG nidx=null]
 + Vargula scintilla Cohen & Morin, 1989 [SYNONYM SPECIES 2298:852MS nidx=null parent=85HGV]
Variabilifavia
 - Variabilifavia [ACCEPTED GENUS 2296:85XC nidx=null]
 + Variabilifavia Barta-Calmus, 1973 [ACCEPTED GENUS 2298:84SVY nidx=null]
Varichaetadrilus
 - Varichaetadrilus [ACCEPTED GENUS 2296:85XM nidx=null]
 + Varichaetadrilus Brinkhurst & Kathman, 1983 [ACCEPTED GENUS 2298:84SVZ nidx=null]
Varronia salviifolia
 - Varronia salviifolia (Juss. ex Poir.) Borhidi [ACCEPTED SPECIES 2296:7FJ4N nidx=null]
 + Varronia salviifolia (Juss. ex Poir.) Borhidi [ACCEPTED SPECIES 2298:84Z59 nidx=null]
Vaughanella
 - Vaughanella [ACCEPTED GENUS 2296:863R nidx=null]
 + Vaughanella Gravier, 1915 [ACCEPTED GENUS 2298:84SW2 nidx=null]
Vazella
 - Vazella [ACCEPTED GENUS 2296:864B nidx=null]
 + Vazella Gray, 1870 [ACCEPTED GENUS 2298:84SW3 nidx=null]
Vejdovskyella
 - Vejdovskyella [ACCEPTED SUBGENUS 2296:8652 nidx=null]
 - Vejdovskyella [ACCEPTED GENUS 2296:8653 nidx=null]
 + Vejdovskyella Michaelsen, 1903 [ACCEPTED GENUS 2298:84SW4 nidx=null]
Vejdovskyella (Machetna) intermedia
 - Vejdovskyella (Machetna) intermedia (Bretscher, 1896) [SYNONYM SPECIES 2296:7FJJT nidx=null parent=7FJJY]
 + Vejdovskyella (Machetna) intermedia (Bretscher, 1896) [ACCEPTED SPECIES 2298:852MT nidx=null]
Vejdovskyella (Vejdovskyella) comata
 - Vejdovskyella (Vejdovskyella) comata (VejdovskýÌ, 1883) [SYNONYM SPECIES 2296:7FJK3 nidx=null parent=7FJJP]
 + Vejdovskyella (Vejdovskyella) comata (Vejdovský, 1883) [ACCEPTED SPECIES 2298:852MV nidx=null]
Vejdovskyella comata
 - Vejdovskyella comata (Vejdovský, 1884) [ACCEPTED SPECIES 2296:7FJJP nidx=null]
 + Vejdovskyella comata (Vejdovský, 1884) [SYNONYM SPECIES 2298:84Z52 nidx=null parent=852MV]
Vejdovskyella intermedia
 - Vejdovskyella intermedia (Bretscher, 1896) [ACCEPTED SPECIES 2296:7FJJY nidx=null]
 + Vejdovskyella intermedia (Bretscher, 1896) [SYNONYM SPECIES 2298:84Z53 nidx=null parent=852MT]
Venericythere
 - Venericythere [ACCEPTED GENUS 2296:868Y nidx=null]
 + Venericythere Mostafawi, 1992 [ACCEPTED GENUS 2298:84SW5 nidx=null]
Veneriserva
 - Veneriserva [ACCEPTED GENUS 2296:8692 nidx=null]
 + Veneriserva Rossi, 1984 [ACCEPTED GENUS 2298:84SW6 nidx=null]
Venusticrus
 - Venusticrus [ACCEPTED GENUS 2296:647L5 nidx=null]
 + Venusticrus Gardiner, 1975 [ACCEPTED GENUS 2298:84SW8 nidx=null]
Vepreculina
 - Vepreculina [ACCEPTED GENUS 2296:647KY nidx=null]
 + Vepreculina Regenhardt, 1961 [ACCEPTED GENUS 2298:84SW9 nidx=null]
Veretillidae
 - Veretillidae [ACCEPTED FAMILY 2296:626QW nidx=null]
 + Veretillidae Herklots, 1858 [ACCEPTED FAMILY 2298:84KK2 nidx=null]
Veretillum
 - Veretillum [ACCEPTED GENUS 2296:86C7 nidx=null]
 + Veretillum Cuvier, 1798 [ACCEPTED GENUS 2298:84SWB nidx=null]
Vermiculus
 - Vermiculus [ACCEPTED GENUS 2296:86D9 nidx=null]
 + Vermiculus Dalyell, 1853 [ACCEPTED GENUS 2298:84PJ8 nidx=null]
Vermiculus rubens
 - Vermiculus rubens Dalyell, 1853 [SYNONYM SPECIES 2296:5B3Z9 nidx=null parent=47H2T]
 + Vermiculus rubens Dalyell, 1853 [SYNONYM SPECIES 2298:852MW nidx=null parent=84XQW]
Vermiliopsis
 - Vermiliopsis [ACCEPTED GENUS 2296:86DB nidx=null]
 + Vermiliopsis Saint-Joseph, 1894 [ACCEPTED GENUS 2298:84SWC nidx=null]
Vernonia cordiifolia
 - Vernonia cordiifolia Kunth [SYNONYM SPECIES 2296:5B4QY nidx=null parent=6P9SV]
 + Vernonia cordiifolia Kunth [SYNONYM SPECIES 2298:84Z5F nidx=null parent=6P9SV]
Vernonia pumilla
 - Vernonia pumilla (Vell.) Cabrera [SYNONYM SPECIES 2296:5B5S3 nidx=null parent=72335]
 + Vernonia pumilla (Vell.) Cabrera [SYNONYM SPECIES 2298:84Z5Q nidx=null parent=72335]
Verongiida
 - Verongiida [ACCEPTED ORDER 2296:4B3 nidx=null]
 + Verongiida Bergquist, 1978 [ACCEPTED ORDER 2298:84JX2 nidx=null]
Verongula
 - Verongula [ACCEPTED GENUS 2296:647ML nidx=null]
 + Verongula Verrill, 1907 [ACCEPTED GENUS 2298:84SWF nidx=null]
Veronica benthamii
 - Veronica benthamii Hook. fil. [ACCEPTED SPECIES 2296:5B6GW nidx=null]
 + Veronica benthamii Hook. fil. [ACCEPTED SPECIES 2298:84Z5R nidx=null]
Veronica buxbaumi
 - Veronica buxbaumi F. W. Schmidt [SYNONYM SPECIES 2296:5B6JF nidx=null parent=5B76R]
 + Veronica buxbaumi F. W. Schmidt [SYNONYM SPECIES 2298:84KPG nidx=null parent=5B76R]
Veronica diosmiifolia
 - Veronica diosmiifolia Knowles & Westc. [SYNONYM SPECIES 2296:5B6PN nidx=null parent=5B6RM]
 + Veronica diosmiifolia Knowles & Westc. [SYNONYM SPECIES 2298:84Z5S nidx=null parent=5B6RM]
Veronica hederiifolia
 - Veronica hederiifolia Miq. ex Maxim. [SYNONYM SPECIES 2296:5B6TY nidx=null parent=5B6DT]
 + Veronica hederiifolia Miq. ex Maxim. [SYNONYM SPECIES 2298:84KPH nidx=null parent=5B6DT]
Veronica langii
 - Veronica langii Sandor ex J. Keller [SYNONYM SPECIES 2296:7FPKZ nidx=null parent=5LQWD]
 + Veronica langii Sandor ex J. Keller [SYNONYM SPECIES 2298:84Z5T nidx=null parent=5LQWD]
Verrillianemertes
 - Verrillianemertes [ACCEPTED GENUS 2296:63VMR nidx=null]
 + Verrillianemertes Senz, 2001 [ACCEPTED GENUS 2298:84SWG nidx=null]
Verrucapelma
 - Verrucapelma [ACCEPTED GENUS 2296:86F2 nidx=null]
 + Verrucapelma Hanley & Burke, 1991 [ACCEPTED GENUS 2298:84SWH nidx=null]
Verrucella
 - Verrucella [ACCEPTED GENUS 2296:86F7 nidx=null]
 + Verrucella Milne Edwards & Haime, 1857 [ACCEPTED GENUS 2298:84SWJ nidx=null]
Verrucocoeloidea
 - Verrucocoeloidea [ACCEPTED GENUS 2296:86FD nidx=null]
 + Verrucocoeloidea Reid, 1969 [ACCEPTED GENUS 2298:84SWK nidx=null]
Verseveldtia
 - Verseveldtia [ACCEPTED GENUS 2296:86G4 nidx=null]
 + Verseveldtia Williams, 1990 [ACCEPTED GENUS 2298:84SWL nidx=null]
Verticillitidae
 - Verticillitidae [ACCEPTED FAMILY 2296:HTC nidx=null]
 + Verticillitidae Steinmann, 1882 [ACCEPTED FAMILY 2298:84KK4 nidx=null]
Vesicomyicola
 - Vesicomyicola [ACCEPTED GENUS 2296:86J7 nidx=null]
 + Vesicomyicola Dreyer, Miura & Van Dover, 2004 [ACCEPTED GENUS 2298:84SWM nidx=null]
Vestigiramus
 - Vestigiramus [ACCEPTED GENUS 2296:86KT nidx=null]
 + Vestigiramus Gutu, 2009 [ACCEPTED GENUS 2298:84SWP nidx=null]
Vetulina
 - Vetulina [ACCEPTED GENUS 2296:86LD nidx=null]
 + Vetulina Schmidt, 1879 [ACCEPTED GENUS 2298:84SWQ nidx=null]
Vetulinidae
 - Vetulinidae [ACCEPTED FAMILY 2296:HTK nidx=null]
 + Vetulinidae Lendenfeld, 1903 [ACCEPTED FAMILY 2298:84KK5 nidx=null]
Vetustovermis
 - Vetustovermis [ACCEPTED GENUS 2296:86LK nidx=null]
 + Vetustovermis Glaessner, 1979 [ACCEPTED GENUS 2298:84SWR nidx=null]
Vibulinus rigidus
 - Vibulinus rigidus (Montagu, 1814) [SYNONYM SPECIES 2296:5BC3N nidx=null parent=4ZS6G]
 + Vibulinus rigidus (Montagu, 1814) [SYNONYM SPECIES 2298:852MX nidx=null parent=85T92]
Vicinisyndes
 - Vicinisyndes [ACCEPTED GENUS 2296:86NB nidx=null]
 + Vicinisyndes Gutu, 2007 [ACCEPTED GENUS 2298:84SWT nidx=null]
Victorgorgia
 - Victorgorgia [ACCEPTED GENUS 2296:86NV nidx=null]
 + Victorgorgia Lopez Gonzalez & Briand, 2002 [ACCEPTED GENUS 2298:84SWV nidx=null]
Victorgorgiidae
 - Victorgorgiidae [ACCEPTED FAMILY 2296:HTZ nidx=null]
 + Victorgorgiidae Moore, Alderslade & Miller, 2017 [ACCEPTED FAMILY 2298:84KK6 nidx=null]
Vieitezia
 - Vieitezia [ACCEPTED GENUS 2296:86Q3 nidx=null]
 + Vieitezia Junoy, Andrade & Giribet, 2010 [ACCEPTED GENUS 2298:84SWX nidx=null]
Vigtorniella
 - Vigtorniella [ACCEPTED GENUS 2296:86RZ nidx=null]
 + Vigtorniella Kiseleva, 1996 [ACCEPTED GENUS 2298:84SWY nidx=null]
Villiersia guanivora
 - Villiersia guanivora Omodeo, 1987 [ACCEPTED SPECIES 2296:7G3LM nidx=null]
 + Villiersia guanivora Omodeo, 1987 [SYNONYM SPECIES 2298:852MY nidx=null parent=85S82]
Villogorgia
 - Villogorgia [ACCEPTED GENUS 2296:647NK nidx=null]
 + Villogorgia Duchassaing & Michelloti, 1860 [ACCEPTED GENUS 2298:84SWZ nidx=null]
Viminella
 - Viminella [ACCEPTED GENUS 2296:63VNS nidx=null]
 + Viminella Gray, 1870 [ACCEPTED GENUS 2298:84SX2 nidx=null]
Vinearia
 - Vinearia [ACCEPTED GENUS 2296:86V6 nidx=null]
 + Vinearia Knight-Jones, 1984 [ACCEPTED GENUS 2298:84SX3 nidx=null]
Vioa johnstonii
 - Vioa johnstonii Schmidt, 1862 [SYNONYM SPECIES 2296:7FS3D nidx=null parent=6NF78]
 + Vioa johnstonii Schmidt, 1862 [SYNONYM SPECIES 2298:852N2 nidx=null parent=84X5K]
Viola nummulariifolia
 - Viola nummulariifolia All. [AMBIGUOUS_SYNONYM SPECIES 2296:5BH8W nidx=null parent=5BGDG]
 + Viola nummulariifolia All. [AMBIGUOUS_SYNONYM SPECIES 2298:84Z5Z nidx=null parent=5BGDG]
Viola pachyrrhiza
 - Viola pachyrrhiza Boiss. & Hohen. [ACCEPTED SPECIES 2296:7G45J nidx=null]
 + Viola pachyrrhiza Boiss. & Hohen. [ACCEPTED SPECIES 2298:84Z62 nidx=null]
Violacytherois
 - Violacytherois [ACCEPTED GENUS 2296:86VP nidx=null]
 + Violacytherois Schornikov, 1993 [ACCEPTED GENUS 2298:84SX4 nidx=null]
Virchowia
 - Virchowia [ACCEPTED GENUS 2296:86W9 nidx=null]
 + Virchowia Langerhans, 1879 [ACCEPTED GENUS 2298:84SX5 nidx=null]
Virgularia
 - Virgularia [ACCEPTED GENUS 2296:86X7 nidx=null]
 + Virgularia Lamarck, 1816 [ACCEPTED GENUS 2298:84JXB nidx=null]
Virgularia gracilis
 - Virgularia gracilis [ACCEPTED SPECIES 2296:7FTJM nidx=null]
 + Virgularia gracilis (Koren & Danielssen, 1877) [ACCEPTED SPECIES 2298:852N3 nidx=null]
 + Virgularia gracilis Gabb, 1862 [AMBIGUOUS_SYNONYM SPECIES 2298:852N4 nidx=null parent=8ZPQ]
Virgularia lyungmanii
 - Virgularia lyungmanii Kölliker, 1872 [ACCEPTED SPECIES 2296:7G5JQ nidx=null]
 + Virgularia lyungmanii Kölliker, 1870 [SYNONYM SPECIES 2298:852N6 nidx=null parent=7FTJR]
Virgularia multiflora
 - Virgularia multiflora Kner, 1858 [ACCEPTED SPECIES 2296:7G5JR nidx=null]
 + Virgularia multiflora Kner, 1858 [SYNONYM SPECIES 2298:852N7 nidx=null parent=7FTJR]
Virgularia steenstrupii
 - Virgularia steenstrupii Kölliker, 1872 [ACCEPTED SPECIES 2296:7FTK5 nidx=null]
 + Virgularia steenstrupii Kölliker, 1870 [SYNONYM SPECIES 2298:852N8 nidx=null parent=7G5KZ]
Virgulariidae
 - Virgulariidae [ACCEPTED FAMILY 2296:626RD nidx=null]
 + Virgulariidae Verrill, 1868 [ACCEPTED FAMILY 2298:84KK7 nidx=null]
Vitiazia dogieli
 - Vitiazia dogieli Uschakov, 1953 [SYNONYM SPECIES 2296:7FTBB nidx=null parent=6YNPT]
 + Vitiazia dogieli Uschakov, 1953 [SYNONYM SPECIES 2298:852N9 nidx=null parent=85FDW]
Vitis martinii
 - Vitis martinii H. Lév. & Vaniot [SYNONYM SPECIES 2296:5BLVK nidx=null parent=3HWXM]
 + Vitis martinii H. Lév. & Vaniot [SYNONYM SPECIES 2298:84Z69 nidx=null parent=3HWXM]
Vitis rufo-tomentosa
 - Vitis rufo-tomentosa (Makino) Makino [SYNONYM SPECIES 2296:5BM38 nidx=null parent=5S47D]
 + Vitis rufo-tomentosa (Makino) Makino [SYNONYM SPECIES 2298:84KPT nidx=null parent=5S47D]
Vitis sylvestris
 - Vitis sylvestris C. C. Gmel. [AMBIGUOUS_SYNONYM SPECIES 2296:5BM4N nidx=null parent=5BLRD]
 + Vitis sylvestris C. C. Gmel. [AMBIGUOUS_SYNONYM SPECIES 2298:84Z6B nidx=null parent=5BLRD]
Vitjasiella
 - Vitjasiella [ACCEPTED GENUS 2296:872L nidx=null]
 + Vitjasiella Schornikov, 1976 [ACCEPTED GENUS 2298:84SX8 nidx=null]
Vitjazema
 - Vitjazema [ACCEPTED GENUS 2296:872N nidx=null]
 + Vitjazema Zenkevitch, 1958 [ACCEPTED GENUS 2298:84SX9 nidx=null]
Vitreotubus
 - Vitreotubus [ACCEPTED GENUS 2296:8736 nidx=null]
 + Vitreotubus Zibrowius, 1979 [ACCEPTED GENUS 2298:84SXB nidx=null]
Vitrollula
 - Vitrollula [ACCEPTED GENUS 2296:873J nidx=null]
 + Vitrollula Ijima, 1898 [ACCEPTED GENUS 2298:84SXC nidx=null]
Vityaziella
 - Vityaziella [ACCEPTED GENUS 2296:874J nidx=null]
 + Vityaziella Tabachnick, 1997 [ACCEPTED GENUS 2298:84SXD nidx=null]
Vityaziella atlantica
 - Vityaziella atlantica (Tabachnick & Collins, 2008) [ACCEPTED SPECIES 2296:5BMZ9 nidx=null]
 + Vityaziella atlantica (Tabachnick & Collins, 2008) [SYNONYM SPECIES 2298:852NB nidx=null parent=84TCY]
Vityazoecia
 - Vityazoecia [ACCEPTED GENUS 2296:874K nidx=null]
 + Vityazoecia Chavtur & Angel, 2011 [ACCEPTED GENUS 2298:84SXF nidx=null]
Viviania aristulatum
 - Viviania aristulatum Phil. [SYNONYM SPECIES 2296:5BN2G nidx=null parent=5BN2P]
 + Viviania aristulatum Phil. [SYNONYM SPECIES 2298:84Z6C nidx=null parent=5BN2P]
Volborthella
 - Volborthella [ACCEPTED GENUS 2296:876N nidx=null]
 + Volborthella Schmidt, 1888 [ACCEPTED GENUS 2298:84SXG nidx=null]
Volvobrachia
 - Volvobrachia [ACCEPTED GENUS 2296:878P nidx=null]
 + Volvobrachia Smirnov, 2000 [ACCEPTED GENUS 2298:84SXJ nidx=null]
Volzia
 - Volzia [ACCEPTED GENUS 2296:878Y nidx=null]
 + Volzia Rosell & Uriz, 1997 [ACCEPTED GENUS 2298:84SXK nidx=null]
Voronina
 - Voronina [ACCEPTED GENUS 2296:879V nidx=null]
 + Voronina Polenova, 1952 [ACCEPTED GENUS 2298:84SXL nidx=null]
Vosmaeria
 - Vosmaeria [ACCEPTED GENUS 2296:647PM nidx=null]
 + Vosmaeria Fristedt, 1885 [ACCEPTED GENUS 2298:84SXM nidx=null]
Vosmaeropsis
 - Vosmaeropsis [ACCEPTED GENUS 2296:63VPP nidx=null]
 + Vosmaeropsis Dendy, 1893 [ACCEPTED GENUS 2298:84SXN nidx=null]
Vrijenhoekia
 - Vrijenhoekia [ACCEPTED GENUS 2296:63VPV nidx=null]
 + Vrijenhoekia Pleijel, Rouse, Ruta, Wiklund & Nygren, 2008 [ACCEPTED GENUS 2298:84SXQ nidx=null]
Vulcanella
 - Vulcanella [ACCEPTED GENUS 2296:63W27 nidx=null]
 + Vulcanella Sollas, 1886 [ACCEPTED GENUS 2298:84SXR nidx=null]
Vulcanellidae
 - Vulcanellidae [ACCEPTED FAMILY 2296:HVC nidx=null]
 + Vulcanellidae Cárdenas, Xavier, Reveillaud, Schander & Rapp, 2011 [ACCEPTED FAMILY 2298:84KK8 nidx=null]
Vulcanonemertes
 - Vulcanonemertes [ACCEPTED GENUS 2296:87BS nidx=null]
 + Vulcanonemertes Gibson & Strand, 2002 [ACCEPTED GENUS 2298:84SXS nidx=null]
Waki
 - Waki [ACCEPTED GENUS 2296:63XDQ nidx=null]
 + Waki Gellert & Błażewicz, 2018 [ACCEPTED GENUS 2298:84SXV nidx=null]
Walteria
 - Walteria [ACCEPTED GENUS 2296:87HH nidx=null]
 + Walteria Schulze, 1886 [ACCEPTED GENUS 2298:84SXW nidx=null]
Waltherarndtia
 - Waltherarndtia [ACCEPTED GENUS 2296:87HM nidx=null]
 + Waltherarndtia Laubenfels, 1936 [ACCEPTED GENUS 2298:84SXX nidx=null]
Watatsumi
 - Watatsumi [ACCEPTED GENUS 2296:649FF nidx=null]
 + Watatsumi Reuscher, Fiege & Imajima, 2015 [ACCEPTED GENUS 2298:84SXY nidx=null]
Watelio
 - Watelio [ACCEPTED GENUS 2296:87MG nidx=null]
 + Watelio Støp-Bowitz, 1948 [ACCEPTED GENUS 2298:84SXZ nidx=null]
Weberella
 - Weberella [ACCEPTED GENUS 2296:87PC nidx=null]
 + Weberella Vosmaer, 1885 [ACCEPTED GENUS 2298:84SY2 nidx=null]
Websterinereis
 - Websterinereis [ACCEPTED GENUS 2296:87PL nidx=null]
 + Websterinereis Pettibone, 1971 [ACCEPTED GENUS 2298:84SY4 nidx=null]
Websteroprion
 - Websteroprion [ACCEPTED GENUS 2296:87PN nidx=null]
 + Websteroprion Eriksson, Parry & Rudkin, 2017 [ACCEPTED GENUS 2298:84SY5 nidx=null]
Weddellia
 - Weddellia [ACCEPTED GENUS 2296:87PW nidx=null]
 + Weddellia Hartman, 1967 [ACCEPTED GENUS 2298:84SY6 nidx=null]
Weixiserpula
 - Weixiserpula [ACCEPTED GENUS 2296:87RN nidx=null]
 + Weixiserpula Stiller, 2000 [ACCEPTED GENUS 2298:84SY9 nidx=null]
Welesina
 - Welesina [ACCEPTED GENUS 2296:63XF6 nidx=null]
 + Welesina Iglikowska & Boxshall, 2013 [ACCEPTED GENUS 2298:84SYB nidx=null]
Werneria brachypappus
 - Werneria brachypappus Phil. [SYNONYM SPECIES 2296:5BXFD nidx=null parent=5BXG2]
 + Werneria brachypappus Phil. [SYNONYM SPECIES 2298:84Z6F nidx=null parent=5BXG2]
Westheideia
 - Westheideia [ACCEPTED GENUS 2296:649F9 nidx=null]
 + Westheideia Wolf, 1986 [ACCEPTED GENUS 2298:84SYD nidx=null]
Westheidesyllis
 - Westheidesyllis [ACCEPTED GENUS 2296:63XGC nidx=null]
 + Westheidesyllis San Martín, López & Aguado, 2009 [ACCEPTED GENUS 2298:84SYF nidx=null]
Whatleyella
 - Whatleyella [ACCEPTED GENUS 2296:87VP nidx=null]
 + Whatleyella Coimbra, Carreño & Ferron, 1994 [ACCEPTED GENUS 2298:84SYH nidx=null]
Whiteleggia
 - Whiteleggia [ACCEPTED GENUS 2296:87W7 nidx=null]
 + Whiteleggia Lang, 1970 [ACCEPTED GENUS 2298:84SYL nidx=null]
Whiteleggiidae
 - Whiteleggiidae [ACCEPTED FAMILY 2296:HW6 nidx=null]
 + Whiteleggiidae Gutu, 1972 [ACCEPTED FAMILY 2298:84KK9 nidx=null]
Wichmannella
 - Wichmannella [ACCEPTED GENUS 2296:87WX nidx=null]
 + Wichmannella Bertels, 1969 [ACCEPTED GENUS 2298:84SYM nidx=null]
Wigginsia
 - Wigginsia [ACCEPTED GENUS 2296:87XW nidx=null]
 + Wigginsia de Laubenfels, 1953 [ACCEPTED GENUS 2298:84SYN nidx=null]
Wijnhoffella
 - Wijnhoffella [ACCEPTED GENUS 2296:87Y7 nidx=null]
 + Wijnhoffella Friedrich, 1940 [ACCEPTED GENUS 2298:84SYQ nidx=null]
Wijnhoffia
 - Wijnhoffia [ACCEPTED GENUS 2296:87Y8 nidx=null]
 + Wijnhoffia Härlin, 1998 [ACCEPTED GENUS 2298:84SYR nidx=null]
Wikstroemia albertii
 - Wikstroemia albertii (Regel) Domke [SYNONYM SPECIES 2296:5BYSZ nidx=null parent=5BYT2]
 + Wikstroemia albertii (Regel) Domke [SYNONYM SPECIES 2298:84Z6H nidx=null parent=5BYT2]
Willeysthenelais
 - Willeysthenelais [ACCEPTED GENUS 2296:87ZL nidx=null]
 + Willeysthenelais Pettibone, 1971 [ACCEPTED GENUS 2298:84SYT nidx=null]
Williamsium
 - Williamsium [ACCEPTED GENUS 2296:87ZT nidx=null]
 + Williamsium Moore, Alderslade & Miller, 2017 [ACCEPTED GENUS 2298:84SYV nidx=null]
Wiotkenia
 - Wiotkenia [ACCEPTED GENUS 2296:8847 nidx=null]
 + Wiotkenia de la Serna de Esteban & Moretto, 1969 [ACCEPTED GENUS 2298:84SYY nidx=null]
Wiwaxia
 - Wiwaxia [ACCEPTED GENUS 2296:8855 nidx=null]
 + Wiwaxia Walcott, 1911 [ACCEPTED GENUS 2298:84SYZ nidx=null]
Wsewolodus
 - Wsewolodus [ACCEPTED GENUS 2296:8896 nidx=null]
 + Wsewolodus Semernoy, 2004 [ACCEPTED GENUS 2298:84SZ3 nidx=null]
Wuinereis
 - Wuinereis [ACCEPTED GENUS 2296:889T nidx=null]
 + Wuinereis Khlebovich, 1996 [ACCEPTED GENUS 2298:84SZ4 nidx=null]
Xandarasterope
 - Xandarasterope [ACCEPTED GENUS 2296:88BQ nidx=null]
 + Xandarasterope Kornicker in Kornicker & Poore, 1996 [ACCEPTED GENUS 2298:84SZ5 nidx=null]
Xandaros
 - Xandaros [ACCEPTED GENUS 2296:88BR nidx=null]
 + Xandaros Maciolek, 1981 [ACCEPTED GENUS 2298:84SZ6 nidx=null]
Xanioprion
 - Xanioprion [ACCEPTED GENUS 2296:88BZ nidx=null]
 + Xanioprion Szankawski & Wrona, 1973 [ACCEPTED GENUS 2298:84SZ7 nidx=null]
Xanthoprion
 - Xanthoprion [ACCEPTED GENUS 2296:88GQ nidx=null]
 + Xanthoprion Jansonius & Craig, 1974 [ACCEPTED GENUS 2298:84SZ9 nidx=null]
Xanthostemon speciosus
 - Xanthostemon speciosus Merr. [ACCEPTED SPECIES 2296:5C8GY nidx=null]
 + Xanthostemon speciosus Merr. [ACCEPTED SPECIES 2298:84Z6L nidx=null]
Xeniidae
 - Xeniidae [ACCEPTED FAMILY 2296:HXC nidx=null]
 + Xeniidae Ehrenberg, 1828 [ACCEPTED FAMILY 2298:84KKB nidx=null]
Xenoarmaueria
 - Xenoarmaueria [ACCEPTED GENUS 2296:88MS nidx=null]
 + Xenoarmaueria Chernyshev, 1992 [ACCEPTED GENUS 2298:84SZD nidx=null]
Xenogorgia
 - Xenogorgia [ACCEPTED GENUS 2296:88SH nidx=null]
 + Xenogorgia Bayer & Muzik, 1976 [ACCEPTED GENUS 2298:84SZJ nidx=null]
Xenoleberis
 - Xenoleberis [ACCEPTED GENUS 2296:88T4 nidx=null]
 + Xenoleberis Kornicker, 1994 [ACCEPTED GENUS 2298:84SZK nidx=null]
Xenospongia
 - Xenospongia [ACCEPTED GENUS 2296:88Z4 nidx=null]
 + Xenospongia Gray, 1858 [ACCEPTED GENUS 2298:84SZN nidx=null]
Xenosyllides
 - Xenosyllides [ACCEPTED GENUS 2296:88ZR nidx=null]
 + Xenosyllides Perejaslavtseva, 1891 [ACCEPTED GENUS 2298:84SZP nidx=null]
Xenosyllis
 - Xenosyllis [ACCEPTED GENUS 2296:88ZS nidx=null]
 + Xenosyllis Marion & Bobretzky, 1875 [ACCEPTED GENUS 2298:84SZQ nidx=null]
Xeplenois
 - Xeplenois [ACCEPTED GENUS 2296:893Q nidx=null]
 + Xeplenois Bamber, 2005 [ACCEPTED GENUS 2298:84SZS nidx=null]
Xestoleberididae
 - Xestoleberididae [ACCEPTED FAMILY 2296:HY7 nidx=null]
 + Xestoleberididae Sars, 1928 [ACCEPTED FAMILY 2298:84KKD nidx=null]
Xestoleberis
 - Xestoleberis [ACCEPTED GENUS 2296:8986 nidx=null]
 + Xestoleberis Sars, 1866 [ACCEPTED GENUS 2298:84SZT nidx=null]
Xestospongia
 - Xestospongia [ACCEPTED GENUS 2296:898S nidx=null]
 + Xestospongia Laubenfels, 1932 [ACCEPTED GENUS 2298:84SZV nidx=null]
Xestospongia variabilis
 - Xestospongia variabilis (Topsent, 1892) [PROVISIONALLY_ACCEPTED SPECIES 2296:7G9MC nidx=null]
 + Xestospongia variabilis [AMBIGUOUS_SYNONYM SPECIES 2298:852NN nidx=null parent=85TBN]
Xibalbanidae
 - Xibalbanidae [ACCEPTED FAMILY 2296:HY8 nidx=null]
 + Xibalbanidae Olesen, Meland, Glenner, van Hengstum & Iliffe, 2017 [ACCEPTED FAMILY 2298:84KKF nidx=null]
Xibalbanus
 - Xibalbanus [ACCEPTED GENUS 2296:899F nidx=null]
 + Xibalbanus Hoenemann, Neiber, Schram & Koenemann in Hoenemann, Neiber, Humphreys, Iliffe, Li, Schram & Koenemann, 2013 [ACCEPTED GENUS 2298:84SZY nidx=null]
Xylocythere
 - Xylocythere [ACCEPTED GENUS 2296:89H9 nidx=null]
 + Xylocythere Maddocks & Steineck, 1987 [ACCEPTED GENUS 2298:84T22 nidx=null]
Xylosma celastrinum
 - Xylosma celastrinum Kunth ex Kuntze [SYNONYM SPECIES 2296:5CMN6 nidx=null parent=5CMP5]
 + Xylosma celastrinum Kunth ex Kuntze [SYNONYM SPECIES 2298:84Z6M nidx=null parent=5CMP5]
Xylosma coriaceum
 - Xylosma coriaceum (Poit.) Eichler [ACCEPTED SPECIES 2296:5CMNP nidx=null]
 + Xylosma coriaceum (Poit.) Eichler [ACCEPTED SPECIES 2298:84Z6N nidx=null]
Xylosma japonicum
 - Xylosma japonicum (Walp.) A. Gray [SYNONYM SPECIES 2296:7FYFG nidx=null parent=5CMRM]
 + Xylosma japonicum (Walp.) A. Gray [SYNONYM SPECIES 2298:84Z6P nidx=null parent=5CMRM]
Xytopsihis aspera
 - Xytopsihis aspera (Bowerbank, 1875) [SYNONYM SPECIES 2296:5CQRN nidx=null parent=553SQ]
 + Xytopsihis aspera (Bowerbank, 1875) [SYNONYM SPECIES 2298:852NP nidx=null parent=85T9M]
Yamaguchia
 - Yamaguchia [ACCEPTED GENUS 2296:89QP nidx=null]
 + Yamaguchia Fend & Ohtaka, 2004 [ACCEPTED GENUS 2298:84T24 nidx=null]
Yamazatum
 - Yamazatum [ACCEPTED GENUS 2296:89RD nidx=null]
 + Yamazatum Benayahu, 2010 [ACCEPTED GENUS 2298:84T25 nidx=null]
Yassinicythere
 - Yassinicythere [ACCEPTED GENUS 2296:89TF nidx=null]
 + Yassinicythere Mckenzie in Howe & Mckenzie, 1989 [ACCEPTED GENUS 2298:84T26 nidx=null]
Yemanja
 - Yemanja [ACCEPTED GENUS 2296:63XC5 nidx=null]
 + Yemanja Brandão, 2010 [ACCEPTED GENUS 2298:84T27 nidx=null]
Yininemertes
 - Yininemertes [ACCEPTED GENUS 2296:89W3 nidx=null]
 + Yininemertes Sun & Lu, 2008 [ACCEPTED GENUS 2298:84T29 nidx=null]
Ymerana
 - Ymerana [ACCEPTED GENUS 2296:89WM nidx=null]
 + Ymerana Holthe, 1986 [ACCEPTED GENUS 2298:84T2B nidx=null]
Yndolacia
 - Yndolacia [ACCEPTED GENUS 2296:89WP nidx=null]
 + Yndolacia Støp-Bowitz, 1987 [ACCEPTED GENUS 2298:84T2C nidx=null]
Yndolaciella
 - Yndolaciella [ACCEPTED GENUS 2296:89WQ nidx=null]
 + Yndolaciella Buzhinskaja, 2004 [ACCEPTED GENUS 2298:84T2D nidx=null]
Yndolaciidae
 - Yndolaciidae [ACCEPTED FAMILY 2296:HZ5 nidx=null]
 + Yndolaciidae Støp-Bowitz, 1987 [ACCEPTED FAMILY 2298:84KKG nidx=null]
Yodanoe
 - Yodanoe [ACCEPTED GENUS 2296:89WW nidx=null]
 + Yodanoe Bonifácio & Menot, 2018 [ACCEPTED GENUS 2298:84T2F nidx=null]
Ysideria
 - Ysideria [ACCEPTED GENUS 2296:63XCL nidx=null]
 + Ysideria Ruff, 1995 [ACCEPTED GENUS 2298:84T2J nidx=null]
Ysila schmidti
 - Ysila schmidti (Arnesen, 1903) [SYNONYM SPECIES 2296:7GBJ5 nidx=null parent=38LBM]
 + Ysila schmidti [SYNONYM SPECIES 2298:852NQ nidx=null parent=38LBM]
Yucatania
 - Yucatania [ACCEPTED GENUS 2296:63XCS nidx=null]
 + Yucatania Gómez, 2006 [ACCEPTED GENUS 2298:84T2K nidx=null]
Zabythocypris
 - Zabythocypris [ACCEPTED GENUS 2296:64949 nidx=null]
 + Zabythocypris Maddocks, 1969 [ACCEPTED GENUS 2298:84T2G nidx=null]
Zabythocypris antemacella
 - Zabythocypris antemacella (Maddocks, 1969) Ruggieri in Greco, Ruggieri & Spr [ACCEPTED SPECIES 2296:7GCCS nidx=null]
 + Zabythocypris antemacella (Maddocks, 1969) [SYNONYM SPECIES 2298:852NR nidx=null parent=84TF5]
Zachsiella
 - Zachsiella [ACCEPTED GENUS 2296:648SH nidx=null]
 + Zachsiella Buzhinskaja, 1982 [ACCEPTED GENUS 2298:84T2L nidx=null]
Zanthoxylum pterotum
 - Zanthoxylum pterotum St.-Lag. [SYNONYM SPECIES 2296:5CWP7 nidx=null parent=7L8F4]
 + Zanthoxylum pterotum St.-Lag. [SYNONYM SPECIES 2298:84Z6R nidx=null parent=7L8F4]
Zaraza
 - Zaraza [ACCEPTED GENUS 2296:63X87 nidx=null]
 + Zaraza Gutu, 2006 [ACCEPTED GENUS 2298:84T2R nidx=null]
Zatsepinia
 - Zatsepinia [ACCEPTED GENUS 2296:648VF nidx=null]
 + Zatsepinia Jirkov, 1986 [ACCEPTED GENUS 2298:84T2S nidx=null]
Zehneria garcinii
 - Zehneria garcinii (Burm. fil.) Stocks [SYNONYM SPECIES 2296:5CYNZ nidx=null parent=325YP]
 + Zehneria garcinii (Burm. fil.) Stocks [SYNONYM SPECIES 2298:84Z6S nidx=null parent=325YP]
Zenkevitchiana
 - Zenkevitchiana [ACCEPTED GENUS 2296:63WZ4 nidx=null]
 + Zenkevitchiana Ivanov, 1957 [ACCEPTED GENUS 2298:84T2W nidx=null]
Zenkevitchiola
 - Zenkevitchiola [ACCEPTED GENUS 2296:648Z4 nidx=null]
 + Zenkevitchiola Murina, 1978 [ACCEPTED GENUS 2298:84T2X nidx=null]
Zeugophilomedes
 - Zeugophilomedes [ACCEPTED GENUS 2296:648JX nidx=null]
 + Zeugophilomedes Kornicker, 1983 [ACCEPTED GENUS 2298:84T2Z nidx=null]
Zeuxo
 - Zeuxo [ACCEPTED GENUS 2296:648LN nidx=null]
 + Zeuxo Templeton, 1840 [ACCEPTED GENUS 2298:84T33 nidx=null]
Zeuxoides
 - Zeuxoides [ACCEPTED GENUS 2296:63WLQ nidx=null]
 + Zeuxoides Sieg, 1980 [ACCEPTED GENUS 2298:84T34 nidx=null]
Zibrovermilia
 - Zibrovermilia [ACCEPTED GENUS 2296:648ML nidx=null]
 + Zibrovermilia Kupriyanova & Ippolitov, 2015 [ACCEPTED GENUS 2298:84T35 nidx=null]
Zignisis
 - Zignisis [ACCEPTED GENUS 2296:648LS nidx=null]
 + Zignisis Alderslade, 1998 [ACCEPTED GENUS 2298:84T36 nidx=null]
Zinarmaueria
 - Zinarmaueria [ACCEPTED GENUS 2296:648NM nidx=null]
 + Zinarmaueria Chernyshev, 1992 [ACCEPTED GENUS 2298:84T38 nidx=null]
Zodionemertes
 - Zodionemertes [ACCEPTED GENUS 2296:8B2K nidx=null]
 + Zodionemertes Gibson, 1985 [ACCEPTED GENUS 2298:84T39 nidx=null]
Zoidbergus
 - Zoidbergus [ACCEPTED GENUS 2296:8B2V nidx=null]
 + Zoidbergus Jozwiak, 2014 [ACCEPTED GENUS 2298:84T3B nidx=null]
Zoopilus
 - Zoopilus [ACCEPTED GENUS 2296:8B5L nidx=null]
 + Zoopilus Dana, 1846 [ACCEPTED GENUS 2298:84T3D nidx=null]
Zothea
 - Zothea [ACCEPTED GENUS 2296:8B8D nidx=null]
 + Zothea Risso, 1826 [ACCEPTED GENUS 2298:84T3H nidx=null]
Zschokkella
 - Zschokkella [ACCEPTED GENUS 2296:8B8V nidx=null]
 + Zschokkella Auerbach, 1909 [ACCEPTED GENUS 2298:84T3J nidx=null]
Zschokkella mugilis
 - Zschokkella mugilis Sitjá-Bobadilla & Alvarez-Pellitero, 1993 [ACCEPTED SPECIES 2296:5D8VK nidx=null]
 + Zschokkella mugilis Sitjá-Bobadilla & Alvarez-Pellitero, 1993 [SYNONYM SPECIES 2298:852NT nidx=null parent=85D3T]
Zygeupolia
 - Zygeupolia [ACCEPTED GENUS 2296:8BBL nidx=null]
 + Zygeupolia Thompson, 1900 [ACCEPTED GENUS 2298:84T3G nidx=null]
Zygonemertes
 - Zygonemertes [ACCEPTED GENUS 2296:8BDG nidx=null]
 + Zygonemertes Montgomery, 1897 [ACCEPTED GENUS 2298:84T3K nidx=null]
Zyzzya
 - Zyzzya [ACCEPTED GENUS 2296:8BGD nidx=null]
 + Zyzzya Laubenfels, 1936 [ACCEPTED GENUS 2298:84T3L nidx=null]