Acanthosphaera
 - Acanthosphaera [ACCEPTED GENUS 308619:627PN nidx=null]
 + Acanthosphaera Ehrenberg, 1858 [ACCEPTED GENUS 308968:KSL28 nidx=null]
Acocephalus carinatus
 - Acocephalus carinatus Stål, 1864 [SYNONYM SPECIES 308619:8RHBW nidx=null parent=FK45]
 + Acocephalus carinatus Stål, 1864 [SYNONYM SPECIES 308968:8JNBK nidx=null parent=FK45]
Acontia (Emmelia) inda
 - Acontia (Emmelia) inda Felder, 1874 [SYNONYM SPECIES 308619:BPMBK nidx=null parent=BJGXF]
 + Acontia (Emmelia) inda Felder, 1874 [SYNONYM SPECIES 308968:95Q4C nidx=null parent=BJGXF]
Acrocera (Acrocera) minuscula
 - Acrocera (Acrocera) minuscula (Séguy, 1934) [ACCEPTED SPECIES 308619:924P9 nidx=null]
 + Acrocera (Acrocera) minuscula (Séguy, 1934) [ACCEPTED SPECIES 308968:64M7P nidx=null]
Acrostichaceae
 - Acrostichaceae Mett. ex A.B.Frank [SYNONYM UNRANKED 308619:CRFZB nidx=null parent=B8X44]
 - Acrostichaceae Mett. ex A.B.Frank [SYNONYM UNRANKED 308619:CTN54 nidx=null parent=B8V4Q]
 + Acrostichaceae Mett. ex A.B.Frank [SYNONYM FAMILY 308968:KSDL9 nidx=null parent=B8X44]
 + Acrostichaceae Mett. ex A.B.Frank [SYNONYM FAMILY 308968:KSDLB nidx=null parent=B8V4Q]
Acrosticheae
 - Acrosticheae C.Presl [SYNONYM UNRANKED 308619:BW5K8 nidx=null parent=B8X44]
 + Acrosticheae C.Presl [SYNONYM TRIBE 308968:KSDLC nidx=null parent=B8X44]
Acrostichinae
 - Acrostichinae Payer [SYNONYM UNRANKED 308619:BW5JT nidx=null parent=B8X44]
 + Acrostichinae Payer [SYNONYM SUBTRIBE 308968:KSDLD nidx=null parent=B8X44]
Acrostichoideae
 - Acrostichoideae Link [SYNONYM UNRANKED 308619:BW5LV nidx=null parent=B8X44]
 + Acrostichoideae Link [SYNONYM SUBFAMILY 308968:KSDLF nidx=null parent=B8X44]
Actinea viduata
 - Actinea viduata [SYNONYM SPECIES 308619:9SYR nidx=null parent=7YW6M]
 + Actinea viduata Müller, 1776 [SYNONYM SPECIES 308968:KSDM2 nidx=null parent=7YW6M]
Actinocephalus
 - Actinocephalus [ACCEPTED GENUS 308619:99DC9 nidx=null]
 + Actinocephalus Thorne, 1967 [SYNONYM GENUS 308968:KSDMN nidx=null parent=8FZVR]
Actinommidae
 - Actinommidae [ACCEPTED FAMILY 308619:5ZM nidx=null]
 + Actinommidae Haeckel, 1862 [ACCEPTED FAMILY 308968:KSDMQ nidx=null]
Acucephalus olivaceus
 - Acucephalus olivaceus Walker, 1851 [SYNONYM SPECIES 308619:8RHDC nidx=null parent=FK4L]
 + Acucephalus olivaceus Walker, 1851 [SYNONYM SPECIES 308968:8JNGY nidx=null parent=FK4L]
Adiantaceae
 - Adiantaceae Newman [SYNONYM UNRANKED 308619:CJR2H nidx=null parent=B8V4Q]
 + Adiantaceae Newman [SYNONYM FAMILY 308968:KSDPJ nidx=null parent=B8V4Q]
Adianteae
 - Adianteae Gaudich. [SYNONYM UNRANKED 308619:BW5KK nidx=null parent=BV8P5]
 + Adianteae Gaudich. [SYNONYM TRIBE 308968:KSDPK nidx=null parent=BV8P5]
Adiantinae
 - Adiantinae Pfeiff. [SYNONYM UNRANKED 308619:BW4PB nidx=null parent=BV8P5]
 + Adiantinae Pfeiff. [SYNONYM SUBTRIBE 308968:KSDPL nidx=null parent=BV8P5]
Adiantoideae
 - Adiantoideae (C.Presl) R.M.Tryon [SYNONYM UNRANKED 308619:BSG5H nidx=null parent=BV8P5]
 + Adiantoideae (C.Presl) R.M.Tryon [SYNONYM SUBFAMILY 308968:KSDPM nidx=null parent=BV8P5]
Adiantum pedatum var. triangulare
 - Adiantum pedatum var. triangulare Mc Cord [SYNONYM VARIETY 308619:BCZJN nidx=null parent=B92T2]
 + Adiantum pedatum var. triangulare McCord [SYNONYM VARIETY 308968:CW8CF nidx=null parent=B92T2]
Aedes (Aedes) dermajoensis
 - Aedes (Aedes) dermajoensis Brug, 1931 [SYNONYM SPECIES 308619:87MTK nidx=null parent=C2TR5]
 + Aedes (Aedes) dermajoensis Brug, 1931 [SYNONYM SPECIES 308968:64VWL nidx=null parent=C2TR5]
Agama (Eremioplanis) lessonae
 - Agama (Eremioplanis) lessonae de Filippi, 1865 [SYNONYM SPECIES 308619:8H5V6 nidx=null parent=57XYV]
 + Agama (Eremioplanis) lessonae de Filippi, 1865 [SYNONYM SPECIES 308968:65K4C nidx=null parent=57XYV]
Agapanthia (Agapanthiella) villosoviridescens
 - Agapanthia (Agapanthiella) villosoviridescens [SYNONYM SPECIES 308619:CTP25 nidx=null parent=65KW3]
 + Agapanthia (Agapanthiella) villosoviridescens [SYNONYM SPECIES 308968:KSFFB nidx=null parent=65KW3]
Agromyza aberrans
 - †Agromyza aberrans Meunier, 1905 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SJJ nidx=null]
 + Agromyza aberrans Meunier, 1905 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JJBM nidx=null]
Alhambra
 - Alhambra [SYNONYM GENUS 308619:8PMZM nidx=null parent=8NY23]
 + Alhambra Gómez-Menor Ortega, 1958 [SYNONYM GENUS 308968:KSFHP nidx=null parent=8NY23]
Allosoreae
 - Allosoreae Rouy [SYNONYM UNRANKED 308619:BW5L3 nidx=null parent=B8X36]
 + Allosoreae Rouy [SYNONYM TRIBE 308968:KSGDM nidx=null parent=B8X36]
Alsophila moorei
 - Alsophila moorei J. Sm. [SYNONYM SPECIES 308619:B98XT nidx=null parent=BCLJM]
 + Alsophila moorei J.Sm. [AMBIGUOUS_SYNONYM SPECIES 308968:65XWW nidx=null parent=BCLJM]
Alsophileae
 - Alsophileae Engl. [SYNONYM UNRANKED 308619:BW5J5 nidx=null parent=B8V9T]
 + Alsophileae Engl. [SYNONYM TRIBE 308968:KSH8M nidx=null parent=B8V9T]
Alsophilinae
 - Alsophilinae Pfeiff. [SYNONYM UNRANKED 308619:BVRCN nidx=null parent=B8V9T]
 + Alsophilinae Pfeiff. [SYNONYM SUBTRIBE 308968:KSH8N nidx=null parent=B8V9T]
Amblyomma hassalli
 - Amblyomma hassalli Neumann, 1899 [SYNONYM SPECIES 308619:C65Y2 nidx=null parent=CMFS]
 + Amblyomma hassalli Neumann, 1899 [SYNONYM SPECIES 308968:KSF8C nidx=null parent=CMFS]
 + Amblyomma hassalli Marx & Neumann, 1899 [AMBIGUOUS_SYNONYM SPECIES 308968:KSF8D nidx=null parent=CMJ2]
Amblyspatha mucoris
 - Amblyspatha mucoris Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SJM nidx=null]
 + Amblyspatha mucoris Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JJDD nidx=null]
Amblystegium
 - Amblystegium Schimp. [ACCEPTED GENUS 308619:CHQ55 nidx=null]
 + Amblystegium Schimp. [ACCEPTED GENUS 308968:KSF8M nidx=null]
Amniscus polyrhaphoides
 - Amniscus polyrhaphoides [AMBIGUOUS_SYNONYM SPECIES 308619:CTP7N nidx=null parent=BK2YV]
 + Amniscus polyrhaphoides [AMBIGUOUS_SYNONYM SPECIES 308968:KSFLH nidx=null parent=BK2YV]
Amorphopinae
 - Amorphopinae Günther, 1939 [SYNONYM SUBFAMILY 308619:8PSM8 nidx=null parent=8NKXS]
 + Amorphopinae Günther, 1939 [SYNONYM TRIBE 308968:KSFMV nidx=null parent=8PSVS]
Amphicoryna hispida f. hispida
 - Amphicoryna hispida f. hispida [SYNONYM FORM 308619:BQGPD nidx=null parent=CZZZ]
 + Amphicoryna hispida f. hispida (d'Orbigny, 1846) [SYNONYM FORM 308968:7N4NZ nidx=null parent=CZZZ]
Amphirhopalum
 - Amphirhopalum [ACCEPTED GENUS 308619:62B7G nidx=null]
 + Amphirhopalum Haeckel, 1881 [ACCEPTED GENUS 308968:KSG9R nidx=null]
Ancestreuma principalis
 - Ancestreuma principalis Golovatch, 1977 [ACCEPTED SPECIES 308619:66LVZ nidx=null]
 + Ancestreuma principalis Golovatch, 1977 [ACCEPTED SPECIES 308968:66M6V nidx=null]
Andreaea rupestris var. alpestris
 - Andreaea rupestris var. alpestris (Thed.) Sharp [SYNONYM VARIETY 308619:9NCXB nidx=null parent=DQQ5]
 + Andreaea rupestris var. alpestris (Thed.) J.E. Zetterst. [SYNONYM VARIETY 308968:CW672 nidx=null parent=DQQ5]
Andrenosoma (Andrenosoma) varipes
 - Andrenosoma (Andrenosoma) varipes (Banks, 1920) [ACCEPTED SPECIES 308619:89YTS nidx=null]
 + Andrenosoma (Andrenosoma) varipes (Banks, 1920) [ACCEPTED SPECIES 308968:66NZT nidx=null]
Androcyclas
 - Androcyclas [ACCEPTED GENUS 308619:62C3V nidx=null]
 + Androcyclas Jorgensen, 1905 [ACCEPTED GENUS 308968:KSF8L nidx=null]
Anemieae
 - Anemieae Bommer [SYNONYM UNRANKED 308619:BW4PG nidx=null parent=B8VGL]
 + Anemieae Bommer [SYNONYM TRIBE 308968:KSFG7 nidx=null parent=B8VGL]
Angiopteridaceae
 - Angiopteridaceae Fée ex Bommer [SYNONYM UNRANKED 308619:B8WPQ nidx=null parent=B8VGX]
 + Angiopteridaceae Fée ex Bommer [SYNONYM FAMILY 308968:KSFHR nidx=null parent=B8VGX]
Angiopterideae
 - Angiopterideae Engl. [SYNONYM UNRANKED 308619:BW5LW nidx=null parent=B8VFL]
 + Angiopterideae Engl. [SYNONYM TRIBE 308968:KSFHS nidx=null parent=B8VFL]
Angiopteridoideae
 - Angiopteridoideae C.Presl [SYNONYM UNRANKED 308619:BW5JS nidx=null parent=B8VGX]
 + Angiopteridoideae C.Presl [SYNONYM SUBFAMILY 308968:KSFHT nidx=null parent=B8VGX]
Anoectangium compactum var. pellucidum
 - Anoectangium compactum var. pellucidum (Wilson) Dixon [SYNONYM VARIETY 308619:9VCNL nidx=null parent=5V5XV]
 + Anoectangium compactum var. pellucidum (Wilson) Hobk. & Bosw. [SYNONYM VARIETY 308968:CW628 nidx=null parent=5V5XV]
Anoectangium viridatum
 - Anoectangium viridatum (Müll. Hal.) Paris [SYNONYM SPECIES 308619:9RMWH nidx=null parent=BK48C]
 + Anoectangium viridatum (Müll. Hal.) Müll. Hal. [SYNONYM SPECIES 308968:KSGDB nidx=null parent=BK48C]
Anomacaulis
 - Anomacaulis (R.M. Schust.) R.M. Schust. ex Grolle [SYNONYM GENUS 308619:9JH8Z nidx=null parent=9JJG3]
 + Anomacaulis R.M. Schust. [SYNONYM GENUS 308968:KSGFK nidx=null parent=9JJG3]
Anomalacantha
 - Anomalacantha [ACCEPTED GENUS 308619:WQV nidx=null]
 + Anomalacantha Loeblich & Tappan, 1961 [ACCEPTED GENUS 308968:KSGHC nidx=null]
Anomobryum filiforme subsp. juliforme
 - Anomobryum filiforme subsp. juliforme (Solms) Loeske [SYNONYM SUBSPECIES 308619:9NCXW nidx=null parent=676DZ]
 + Anomobryum filiforme subsp. juliforme (Solms) J.J. Amann [SYNONYM SUBSPECIES 308968:CW4SV nidx=null parent=676DZ]
Anopheles (Cellia) kinoshitai
 - Anopheles (Cellia) kinoshitai Koidzumi, 1917 [ACCEPTED SPECIES 308619:CPYG9 nidx=null]
 + Anopheles (Cellia) kinoshitai Koidzumi, 1917 [ACCEPTED SPECIES 308968:KSGND nidx=null]
Anopheles (Cellia) persicus
 - Anopheles (Cellia) persicus Edwards, 1921 [ACCEPTED SPECIES 308619:CL73N nidx=null]
 + Anopheles (Cellia) persicus Edwards, 1921 [ACCEPTED SPECIES 308968:KSGNG nidx=null]
Antarctissa
 - Antarctissa [ACCEPTED GENUS 308619:X74 nidx=null]
 + Antarctissa Petrushevskaya, 1967 [ACCEPTED GENUS 308968:KSHCC nidx=null]
Anthalia nigra
 - Anthalia nigra Zetterstedt, 1842 [SYNONYM SPECIES 308619:926SH nidx=null parent=C2S6P]
 + Anthalia nigra Zetterstedt, 1842 [SYNONYM SPECIES 308968:66Z2W nidx=null parent=C2S6P]
Anthocyrtidium
 - Anthocyrtidium [ACCEPTED GENUS 308619:62DCP nidx=null]
 + Anthocyrtidium Haeckel, 1881 [ACCEPTED GENUS 308968:KSHSD nidx=null]
Anthomyia calceata
 - Anthomyia calceata Meigen, 1826 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3PPP nidx=null]
 + Anthomyia calceata Meigen, 1826 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JJLP nidx=null]
Anthomyia cyclicans
 - Anthomyia cyclicans Pandellé, 1900 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3PPQ nidx=null]
 + Anthomyia cyclicans Pandellé, 1900 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JJM3 nidx=null]
Anthrax dentoni
 - †Anthrax dentoni Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SJV nidx=null]
 + Anthrax dentoni Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JJQ6 nidx=null]
Antilletolania
 - Antilletolania Ramos, 1957 [SYNONYM GENUS 308619:CL8FS nidx=null parent=CRLTC]
 + Antilletolania Ramos Alemar, 1957 [SYNONYM GENUS 308968:KSJ5W nidx=null parent=CRLTC]
Antipathes (Arachnopathes) columnaris
 - Antipathes (Arachnopathes) columnaris (Duchassaing, 1870) [SYNONYM SPECIES 308619:CRLTV nidx=null parent=7B38B]
 + Antipathes (Arachnopathes) columnaris (Duchassaing, 1870) [SYNONYM SPECIES 308968:KSJ7G nidx=null parent=7B38B]
Antipathes (Euantipathes) rugosa
 - Antipathes (Euantipathes) rugosa (Thomson & Simpson, 1905) [SYNONYM SPECIES 308619:CTRD3 nidx=null parent=458X8]
 + Antipathes (Euantipathes) rugosa (Thomson & Simpson, 1905) [SYNONYM SPECIES 308968:KSJ7P nidx=null parent=458X8]
Antrophyeae
 - Antrophyeae Pfeiff. [SYNONYM UNRANKED 308619:BW5KF nidx=null parent=BV8R2]
 + Antrophyeae Pfeiff. [SYNONYM TRIBE 308968:KSJTF nidx=null parent=BV8R2]
Antrophyinae
 - Antrophyinae Diels [SYNONYM UNRANKED 308619:BW5JR nidx=null parent=BV8R2]
 + Antrophyinae Diels [SYNONYM SUBTRIBE 308968:KSJTG nidx=null parent=BV8R2]
Apatihowella (Apatihowella) melobesioides
 - Apatihowella (Apatihowella) melobesioides (Brady, 1869) [SYNONYM SPECIES 308619:CTP6V nidx=null parent=33QL2]
 + Apatihowella (Apatihowella) melobesioides (Brady, 1869) [SYNONYM SPECIES 308968:KSFK2 nidx=null parent=33QL2]
Aphidura pujoli
 - Aphidura pujoli [ACCEPTED SPECIES 308619:5VLKR nidx=null]
 + Aphidura pujoli (Gómez-Menor Ortega, 1950) [ACCEPTED SPECIES 308968:KSFZJ nidx=null]
Aphis (Aphis) evonymi
 - Aphis (Aphis) evonymi Fabricius, 1775 [SYNONYM SPECIES 308619:9GWDF nidx=null parent=5DJMN]
 + Aphis (Aphis) evonymi Fabricius, 1775 [SYNONYM SPECIES 308968:KSG38 nidx=null parent=5DJMN]
Aphis (Aphis) fabae
 - Aphis (Aphis) fabae Scopoli, 1763 [ACCEPTED SPECIES 308619:FDW6 nidx=null]
 + Aphis (Aphis) fabae Scopoli, 1763 [ACCEPTED SPECIES 308968:KSG3G nidx=null]
Aphis (Doralis) evonymi
 - Aphis (Doralis) evonymi [AMBIGUOUS_SYNONYM SPECIES 308619:CTPM9 nidx=null parent=8P5RY]
 + Aphis (Doralis) evonymi Fabricius, 1775 [AMBIGUOUS_SYNONYM SPECIES 308968:KSG37 nidx=null parent=5DJMN]
 + Aphis (Doralis) evonymi [AMBIGUOUS_SYNONYM SPECIES 308968:KSG3C nidx=null parent=8P5RY]
Aphis (Protaphis) centaurea
 - Aphis (Protaphis) centaurea [SYNONYM SPECIES 308619:8P5VF nidx=null parent=4N26H]
 + Aphis (Protaphis) centaurea (Menor y Ortega, 1950) [SYNONYM SPECIES 308968:KSG2Q nidx=null parent=8PJ4P]
Aphis (Protaphis) ignatii
 - Aphis (Protaphis) ignatii [SYNONYM SPECIES 308619:8QZXS nidx=null parent=4N276]
 + Aphis (Protaphis) ignatii (Gómez-Menor, 1950) [SYNONYM SPECIES 308968:KSG6X nidx=null parent=KTF7D]
Aporocotyle michaudi
 - Aporocotyle michaudi Santoro, Cipriani, Pankov & Lawton, 2015 [ACCEPTED SPECIES 308619:846P9 nidx=null]
 + Aporocotyle michaudi Santoro, Cipriani, Pankov & Lawton, 2015 [ACCEPTED SPECIES 308968:5VQMQ nidx=null]
Apseudes (Apseudes) acutifrons
 - Apseudes (Apseudes) acutifrons Sars, 1882 [SYNONYM SPECIES 308619:CTQVF nidx=null parent=FY7M]
 + Apseudes (Apseudes) acutifrons Sars, 1882 [SYNONYM SPECIES 308968:KSHR5 nidx=null parent=FY7M]
Archaediscus gregorii var. gregorii
 - Archaediscus gregorii var. gregorii [SYNONYM VARIETY 308619:BPT9K nidx=null parent=82Z78]
 + Archaediscus gregorii var. gregorii Dain, 1953 [SYNONYM VARIETY 308968:KSJ5Y nidx=null parent=82Z78]
Archaediscus saleei var. saleei
 - Archaediscus saleei var. saleei [SYNONYM VARIETY 308619:BPR95 nidx=null parent=82ZSB]
 + Archaediscus saleei var. saleei Conil & Lys, 1964 [SYNONYM VARIETY 308968:KSJ62 nidx=null parent=82ZSB]
Argynnis interligata
 - Argynnis interligata Cabeau, 1922 [AMBIGUOUS_SYNONYM SPECIES 308619:CRMRV nidx=null parent=5ZDGZ]
 + Argynnis interligata Cabeau, 1919 [SYNONYM SPECIES 308968:KSKCB nidx=null parent=5ZDHF]
 + Argynnis interligata Cabeau, 1922 [SYNONYM SPECIES 308968:KSKCC nidx=null parent=N98C]
 + Argynnis interligata Cabeau, 1922 [AMBIGUOUS_SYNONYM SPECIES 308968:KSKCD nidx=null parent=5ZDGZ]
Artostrobiidae
 - Artostrobiidae [ACCEPTED FAMILY 308619:6RN nidx=null]
 + Artostrobiidae Riedel, 1967 [ACCEPTED FAMILY 308968:KSHMS nidx=null]
Asilus therevinus
 - Asilus therevinus Rondani, 1851 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3Q8L nidx=null]
 + Asilus therevinus Rondani, 1851 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JJYN nidx=null]
Asira kenngottii
 - Asira kenngottii Giebel, 1856 [SYNONYM SPECIES 308619:8B4L4 nidx=null parent=8DK6C]
 + Asira kenngottii Giebel, 1856 [SYNONYM SPECIES 308968:DHV86 nidx=null parent=8DK6C]
Aspidiaceae
 - Aspidiaceae Mett. ex A.B.Frank [SYNONYM UNRANKED 308619:B8WQ3 nidx=null parent=B8TXK]
 + Aspidiaceae Mett. ex A.B.Frank [SYNONYM FAMILY 308968:KSJT4 nidx=null parent=B8TXK]
Asplenieae
 - Asplenieae Gaudich. [SYNONYM UNRANKED 308619:BW4P8 nidx=null parent=B8V4L]
 + Asplenieae Gaudich. [SYNONYM TRIBE 308968:KSJY7 nidx=null parent=B8V4L]
Aspleniinae
 - Aspleniinae Dumort. [SYNONYM UNRANKED 308619:BVG6C nidx=null parent=B8V4L]
 + Aspleniinae Dumort. [SYNONYM SUBTRIBE 308968:KSJY8 nidx=null parent=B8V4L]
Asplenium consimile
 - Asplenium consimile J. Rémy [SYNONYM SPECIES 308619:B9H7Q nidx=null parent=B9JHH]
 + Asplenium consimile J.Rémy [AMBIGUOUS_SYNONYM SPECIES 308968:HK4S nidx=null parent=B9JHH]
Asplenium deflexum
 - Asplenium deflexum (Kunze) T. Moore [SYNONYM SPECIES 308619:B9H9Y nidx=null parent=B9DCV]
 + Asplenium deflexum (Kunze) T.Moore [AMBIGUOUS_SYNONYM SPECIES 308968:HK7Z nidx=null parent=B9DCV]
Asplenium × kentuckiense
 - Asplenium × kentuckiense Mc Coy [ACCEPTED SPECIES 308619:B9DGW nidx=null]
 + Asplenium × kentuckiense McCoy [ACCEPTED SPECIES 308968:KSJZV nidx=null]
Astarte (Crassinella) branneri
 - Astarte (Crassinella) branneri Arnold, 1903 [SYNONYM SPECIES 308619:CRMHY nidx=null parent=Z6NN]
 + Astarte (Crassinella) branneri Arnold, 1903 [SYNONYM SPECIES 308968:KSK5B nidx=null parent=Z6NN]
Astenus (Astenopleuritus) marginalis
 - Astenus (Astenopleuritus) marginalis Cameron, 1931 [ACCEPTED SPECIES 308619:9M3H6 nidx=null]
 + Astenus (Astenopleuritus) marginalis Cameron, 1931 [ACCEPTED SPECIES 308968:KSK76 nidx=null]
Astraea reussi
 - Astraea reussi Sismonda, 1871 [SYNONYM SPECIES 308619:BW7KJ nidx=null parent=864ZV]
 + Astraea reussi Michelotti, 1871 [SYNONYM SPECIES 308968:KSFXB nidx=null parent=864ZV]
Asura (Asura) agraphia
 - Asura (Asura) agraphia Hampson [SYNONYM SPECIES 308619:BPPFD nidx=null parent=BFNZB]
 + Asura (Asura) agraphia Hampson [SYNONYM SPECIES 308968:95ZNF nidx=null parent=BFNZB]
Asura (Asura) bella
 - Asura (Asura) bella Bethune-Baker [SYNONYM SPECIES 308619:BPPFF nidx=null parent=BFLS9]
 + Asura (Asura) bella Bethune-Baker [SYNONYM SPECIES 308968:95ZNL nidx=null parent=BFLS9]
Asura (Asura) bougainvillicola
 - Asura (Asura) bougainvillicola Strand, 1922 [SYNONYM SPECIES 308619:BPPFG nidx=null parent=BFNYY]
 + Asura (Asura) bougainvillicola Strand, 1922 [SYNONYM SPECIES 308968:95ZNN nidx=null parent=BFNYY]
Asura (Asura) callinoma
 - Asura (Asura) callinoma Meyrick, 1894 [SYNONYM SPECIES 308619:BPPFH nidx=null parent=BFPZD]
 + Asura (Asura) callinoma Meyrick, 1894 [SYNONYM SPECIES 308968:95ZNQ nidx=null parent=BFPZD]
Asura (Asura) conflua
 - Asura (Asura) conflua Hampson, 1914 [SYNONYM SPECIES 308619:BPPFJ nidx=null parent=BFLQR]
 + Asura (Asura) conflua Hampson, 1914 [SYNONYM SPECIES 308968:95ZNW nidx=null parent=BFLQR]
Asura (Asura) confluens
 - Asura (Asura) confluens Draudt, 1914 [SYNONYM SPECIES 308619:BPPFK nidx=null parent=BFLRH]
 + Asura (Asura) confluens Draudt, 1914 [SYNONYM SPECIES 308968:95ZNX nidx=null parent=BFLRH]
Asura (Asura) gaudens
 - Asura (Asura) gaudens Walker, 1854 [SYNONYM SPECIES 308619:BPPFL nidx=null parent=BFLRH]
 + Asura (Asura) gaudens Walker, 1854 [SYNONYM SPECIES 308968:95ZPJ nidx=null parent=BFLRH]
Asura (Asura) habrotis
 - Asura (Asura) habrotis Meyrick, 1886 [SYNONYM SPECIES 308619:BPPFM nidx=null parent=BFLQG]
 + Asura (Asura) habrotis Meyrick, 1886 [SYNONYM SPECIES 308968:95ZPM nidx=null parent=BFLQG]
Asura (Asura) incompleta
 - Asura (Asura) incompleta Draudt, 1914 [SYNONYM SPECIES 308619:BPPFN nidx=null parent=BFLRH]
 + Asura (Asura) incompleta Draudt, 1914 [SYNONYM SPECIES 308968:95ZPP nidx=null parent=BFLRH]
Asura (Asura) inornata
 - Asura (Asura) inornata Wileman [SYNONYM SPECIES 308619:BPPFP nidx=null parent=BJ287]
 + Asura (Asura) inornata Wileman [SYNONYM SPECIES 308968:95ZPQ nidx=null parent=BJ287]
Asura (Asura) melitaula
 - Asura (Asura) melitaula Meyrick, 1899 [SYNONYM SPECIES 308619:BMQLK nidx=null parent=BFNYR]
 + Asura (Asura) melitaula Meyrick, 1899 [SYNONYM SPECIES 308968:92VV8 nidx=null parent=BFNYR]
Asura (Asura) phryctops
 - Asura (Asura) phryctops Kirby, 1892 [SYNONYM SPECIES 308619:BPPFS nidx=null parent=BFNZ4]
 + Asura (Asura) phryctops Kirby, 1892 [SYNONYM SPECIES 308968:95ZQC nidx=null parent=BFNZ4]
Asura (Asura) postfasciatus
 - Asura (Asura) postfasciatus Rothschild, 1920 [SYNONYM SPECIES 308619:BPPFT nidx=null parent=BFPG4]
 + Asura (Asura) postfasciatus Rothschild, 1920 [SYNONYM SPECIES 308968:95ZQD nidx=null parent=BFPG4]
Asura (Asura) reducta
 - Asura (Asura) reducta Rothschild, 1913 [SYNONYM SPECIES 308619:BPPFV nidx=null parent=BFLQN]
 + Asura (Asura) reducta Rothschild, 1913 [SYNONYM SPECIES 308968:95ZQL nidx=null parent=BFLQN]
Asura (Asura) strigulata
 - Asura (Asura) strigulata Rothschild [SYNONYM SPECIES 308619:BPPFW nidx=null parent=BFTDD]
 + Asura (Asura) strigulata Rothschild [SYNONYM SPECIES 308968:95ZR2 nidx=null parent=BFTDD]
Athyriales
 - Athyriales Shmakov [SYNONYM UNRANKED 308619:B8WLD nidx=null parent=B8TXB]
 + Athyriales Shmakov [SYNONYM ORDER 308968:KSHGL nidx=null parent=B8TXB]
Athyriinae
 - Athyriinae Milde [SYNONYM UNRANKED 308619:BW5J9 nidx=null parent=B8VGN]
 + Athyriinae Milde [SYNONYM SUBTRIBE 308968:KSHGP nidx=null parent=B8VGN]
Athysanopsis
 - Athysanopsis Matsumura, 1914 [SYNONYM GENUS 308619:CTQPY nidx=null parent=BY7TG]
 + Athysanopsis Matsumura, 1914 [SYNONYM GENUS 308968:8R43B nidx=null parent=BY7TG]
Athysanus eomunnis
 - Athysanus eomunnis Edwards, 1888 [SYNONYM SPECIES 308619:CTQQK nidx=null parent=8RKGV]
 + Athysanus eomunnis Edwards, 1888 [SYNONYM SPECIES 308968:KSHMQ nidx=null parent=8RKGV]
Athysanus thenii
 - Athysanus thenii Löw, 1885 [SYNONYM SPECIES 308619:CRKZV nidx=null parent=4YDB4]
 + Athysanus thenii Löw, 1885 [SYNONYM SPECIES 308968:KSHMT nidx=null parent=4YDB4]
Atrichopogon (Atrichopogon) formosanus
 - Atrichopogon (Atrichopogon) formosanus Kieffer, 1918 [ACCEPTED SPECIES 308619:9286K nidx=null]
 + Atrichopogon (Atrichopogon) formosanus Kieffer, 1918 [ACCEPTED SPECIES 308968:JKQF nidx=null]
Aversovalva aureum
 - Aversovalva aureum Hornibrook, 1952 [ACCEPTED SPECIES 308619:CQ28H nidx=null]
 + Aversovalva aureum Hornibrook, 1952 [ACCEPTED SPECIES 308968:KSK5Z nidx=null]
Axoprunum
 - Axoprunum [ACCEPTED GENUS 308619:62FG7 nidx=null]
 + Axoprunum Haeckel, 1887 [ACCEPTED GENUS 308968:KSKC4 nidx=null]
Azollaceae
 - Azollaceae Wettst. [SYNONYM UNRANKED 308619:CJVWN nidx=null parent=BV8H4]
 + Azollaceae Wettst. [SYNONYM FAMILY 308968:KSKDT nidx=null parent=BV8H4]
Azolleae
 - Azolleae Schenk [SYNONYM UNRANKED 308619:BW5JF nidx=null parent=BV8H4]
 + Azolleae Schenk [SYNONYM TRIBE 308968:KSKDV nidx=null parent=BV8H4]
Azolloideae
 - Azolloideae Griff. [SYNONYM UNRANKED 308619:BW5KL nidx=null parent=BV8H4]
 + Azolloideae Griff. [SYNONYM SUBFAMILY 308968:KSKDW nidx=null parent=BV8H4]
Bactrocera (Bactrocera) ritsemae
 - Bactrocera (Bactrocera) ritsemae (Weyenbergh, 1869) [ACCEPTED SPECIES 308619:929BD nidx=null]
 + Bactrocera (Bactrocera) ritsemae (Weyenbergh, 1869) [ACCEPTED SPECIES 308968:5VZFY nidx=null]
Bactrocera (Paratridacus) unichromata
 - Bactrocera (Paratridacus) unichromata Drew, 1989 [SYNONYM SPECIES 308619:87RKR nidx=null parent=C2TKB]
 + Bactrocera (Paratridacus) unichromata Drew, 1989 [SYNONYM SPECIES 308968:92967 nidx=null parent=C2TKB]
Baikalotrema polymorphum
 - Baikalotrema polymorphum (Layman, 1933) Layman, 1951 [SYNONYM SPECIES 308619:7S9VR nidx=null parent=4JGYJ]
 + Baikalotrema polymorphum (Layman, 1933) Layman, 1951 [SYNONYM SPECIES 308968:68B37 nidx=null parent=4JGYJ]
Balantieae
 - Balantieae Pfeiff. [SYNONYM UNRANKED 308619:BW5KQ nidx=null parent=B8WS7]
 + Balantieae Pfeiff. [SYNONYM TRIBE 308968:KSP2Z nidx=null parent=B8WS7]
Balcis montagui
 - Balcis montagui Gray, 1847 [SYNONYM SPECIES 308619:7Q9V2 nidx=null parent=3Z6T3]
 + Balcis montagui Leach, 1847 [SYNONYM SPECIES 308968:KSP4N nidx=null parent=3Z6T3]
Barbula hibernica
 - Barbula hibernica (Mitt.) Husn. [SYNONYM SPECIES 308619:9RPH5 nidx=null parent=9L73D]
 + Barbula hibernica (Mitt.) Hobk. & Bosw. [SYNONYM SPECIES 308968:CW62G nidx=null parent=9L73D]
Barbula lamellata
 - Barbula lamellata (Lindb.) Müll. Hal. [SYNONYM SPECIES 308619:9RPJT nidx=null parent=78LJF]
 + Barbula lamellata (Lindb.) Hobk. & Bosw. [SYNONYM SPECIES 308968:CW64B nidx=null parent=78LJF]
Barbula spadicea
 - Barbula spadicea (Mitt.) Braithw. [SYNONYM SPECIES 308619:9MGS5 nidx=null parent=9LG9F]
 + Barbula spadicea (Mitt.) Hobk. & Bosw. [SYNONYM SPECIES 308968:CW635 nidx=null parent=9LG9F]
Bathygalea (Miogalea) hadra
 - Bathygalea (Miogalea) hadra Woodring & Olsson, 1957 [SYNONYM SPECIES 308619:CRVC7 nidx=null parent=38JR5]
 + Bathygalea (Miogalea) hadra Woodring & Olsson, 1957 [SYNONYM SPECIES 308968:KSQFW nidx=null parent=38JR5]
Bazzania bidentula
 - Bazzania bidentula (Steph.) Yasuda [ACCEPTED SPECIES 308619:L4SN nidx=null]
 + Bazzania bidentula (Steph.) P. Syd. [ACCEPTED SPECIES 308968:KSQSR nidx=null]
Bazzania cordifolia
 - Bazzania cordifolia (Steph.) S. Hatt. [SYNONYM SPECIES 308619:9RQDX nidx=null parent=L4Z7]
 + Bazzania cordifolia (Steph.) P. Syd. [SYNONYM SPECIES 308968:CW3S6 nidx=null parent=L4Z7]
Bazzania fissifolia
 - Bazzania fissifolia (Steph.) Steph. ex Yasuda [SYNONYM SPECIES 308619:9RQF5 nidx=null parent=L4Z7]
 + Bazzania fissifolia (Steph.) Yasuda [SYNONYM SPECIES 308968:CW3S5 nidx=null parent=L4Z7]
Bazzania paucidens
 - Bazzania paucidens (Steph.) H.A. Mill. [ACCEPTED SPECIES 308619:L4XD nidx=null]
 + Bazzania paucidens (Steph.) Paris [ACCEPTED SPECIES 308968:KSQSV nidx=null]
Bertea subaptera
 - Bertea subaptera Rondani, 1856 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SLJ nidx=null]
 + Bertea subaptera Rondani, 1856 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JKDP nidx=null]
Bireta (Besaia) dives
 - Bireta (Besaia) dives Kiriakoff, 1962 [SYNONYM SPECIES 308619:963PC nidx=null parent=92WQJ]
 + Bireta (Besaia) dives Kiriakoff, 1962 [SYNONYM SPECIES 308968:BPPPP nidx=null parent=92WQJ]
Bireta (Besaia) yunnana
 - Bireta (Besaia) yunnana Kiriakoff, 1962 [SYNONYM SPECIES 308619:963PP nidx=null parent=92WQS]
 + Bireta (Besaia) yunnana Kiriakoff, 1962 [SYNONYM SPECIES 308968:BPPPY nidx=null parent=92WQS]
Bireta (Norraca) postfusca
 - Bireta (Norraca) postfusca Kiriakoff, 1962 [SYNONYM SPECIES 308619:963PH nidx=null parent=988P9]
 + Bireta (Norraca) postfusca Kiriakoff, 1962 [SYNONYM SPECIES 308968:BPPPS nidx=null parent=988P9]
Bireta (Norracana) niveipicta
 - Bireta (Norracana) niveipicta Kiriakoff, 1962 [SYNONYM SPECIES 308619:963PF nidx=null parent=988NV]
 + Bireta (Norracana) niveipicta Kiriakoff, 1962 [SYNONYM SPECIES 308968:BPPPR nidx=null parent=988NV]
Bireta (Oraura) aurora
 - Bireta (Oraura) aurora Kiriakoff, 1962 [SYNONYM SPECIES 308619:BPPPN nidx=null parent=C392F]
 + Bireta (Oraura) aurora Kiriakoff, 1962 [SYNONYM SPECIES 308968:963PB nidx=null parent=C392F]
Bisphaera variabilis var. variabilis
 - Bisphaera variabilis var. variabilis [SYNONYM VARIETY 308619:BPRD8 nidx=null parent=BPRD9]
 + Bisphaera variabilis var. variabilis Conil & Lys, 1964 [SYNONYM VARIETY 308968:KSLLB nidx=null parent=KSLL9]
Bittium
 - Bittium J. E. Gray, 1847 [ACCEPTED GENUS 308619:7NQSK nidx=null]
 + Bittium Leach, 1847 [ACCEPTED GENUS 308968:KSLMQ nidx=null]
Blechneae
 - Blechneae C.Presl [SYNONYM UNRANKED 308619:BW5M5 nidx=null parent=BV8PB]
 + Blechneae C.Presl [SYNONYM TRIBE 308968:KSLTS nidx=null parent=BV8PB]
Blechninae
 - Blechninae Coss. & Germ. [SYNONYM UNRANKED 308619:BW5JJ nidx=null parent=BV8PB]
 + Blechninae Coss. & Germ. [SYNONYM SUBTRIBE 308968:KSLTT nidx=null parent=BV8PB]
Blechnoideae
 - Blechnoideae Gasper, V.A.O.Dittrich & Salino [SYNONYM UNRANKED 308619:CFJFX nidx=null parent=BV8PB]
 + Blechnoideae Gasper, V.A.O.Dittrich & Salino [SYNONYM SUBFAMILY 308968:KSLTV nidx=null parent=BV8PB]
Bolbolaimus major
 - Bolbolaimus major Wen, Huixin, Yanwei & Chunming, 2023 [ACCEPTED SPECIES 308619:BV3KQ nidx=null]
 + Bolbolaimus major Guo, Liang, Lv & Wang, 2023 [ACCEPTED SPECIES 308968:KSM7X nidx=null]
Bolitophila pulveris
 - †Bolitophila pulveris Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SLL nidx=null]
 + Bolitophila pulveris Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JKJZ nidx=null]
Bolivina carnata var. carnata
 - Bolivina carnata var. carnata [SYNONYM VARIETY 308619:BPTNL nidx=null parent=8248M]
 + Bolivina carnata var. carnata Subbotina, 1960 [SYNONYM VARIETY 308968:KSMB8 nidx=null parent=8248M]
Bombyx (Pania) phantoma
 - Bombyx (Pania) phantoma Dalman, 1823 [SYNONYM SPECIES 308619:964Q3 nidx=null parent=5GCMT]
 + Bombyx (Pania) phantoma Dalman, 1823 [SYNONYM SPECIES 308968:BPPRW nidx=null parent=5GCMT]
Bothrops lansbergii hutmanni
 - Bothrops lansbergii hutmanni Sandner-Montilla, 1989 [SYNONYM SUBSPECIES 308619:CTS49 nidx=null parent=4M22K]
 + Bothrops lansbergii hutmanni Sandner-Montilla, 1989 [SYNONYM SUBSPECIES 308968:7JF6T nidx=null parent=4M22K]
Botrychieae
 - Botrychieae Bommer [SYNONYM UNRANKED 308619:BW5KS nidx=null parent=B8X32]
 + Botrychieae Bommer [SYNONYM TRIBE 308968:KSKDY nidx=null parent=B8X32]
Botryocyrtis
 - Botryocyrtis [ACCEPTED GENUS 308619:3BXM nidx=null]
 + Botryocyrtis Ehrenberg, 1860 [ACCEPTED GENUS 308968:KSKJS nidx=null]
Botryostrobus
 - Botryostrobus [ACCEPTED GENUS 308619:3BYL nidx=null]
 + Botryostrobus Haeckel, 1887 [ACCEPTED GENUS 308968:KSKMJ nidx=null]
Brachythecium gloriosum
 - Brachythecium gloriosum (Müll. Hal.) Kindb. [ACCEPTED SPECIES 308619:CHSZB nidx=null]
 + Brachythecium gloriosum (Müll. Hal.) Müll. Hal. [ACCEPTED SPECIES 308968:KSLDS nidx=null]
Brachythecium nigroviride
 - Brachythecium nigroviride Kindb. [ACCEPTED SPECIES 308619:9RR3Z nidx=null]
 + Brachythecium nigroviride Müll. Hal. [ACCEPTED SPECIES 308968:KSLDT nidx=null]
Brachythecium populeum f. attenuatum
 - Brachythecium populeum f. attenuatum (Schimp.) Podp. [SYNONYM FORM 308619:9V9C8 nidx=null parent=9MJKK]
 + Brachythecium populeum f. attenuatum (Schimp.) Jäggli [SYNONYM FORM 308968:KSLDV nidx=null parent=9MJKK]
Bracon wesmaeli
 - Bracon wesmaeli Fahringer, 1928 [SYNONYM SPECIES 308619:CRNYR nidx=null parent=CJWQB]
 + Bracon wesmaeli Fahringer, 1928 [SYNONYM SPECIES 308968:KSLLJ nidx=null parent=CJWQB]
 + Bracon wesmaeli Fahringer, 1927 [AMBIGUOUS_SYNONYM SPECIES 308968:KSLLK nidx=null parent=CJWMH]
Bryochoerus intermedius hawaiicus
 - Bryochoerus intermedius hawaiicus (Thulin, 1928) [ACCEPTED SUBSPECIES 308619:BX238 nidx=null]
 + Bryochoerus intermedius hawaiicus (Thulin, 1928) [ACCEPTED SUBSPECIES 308968:BN45J nidx=null]
Bryum atropurpureum
 - Bryum atropurpureum (Wahlenb.) Wahlenb. [AMBIGUOUS_SYNONYM SPECIES 308619:9JXC8 nidx=null parent=9SRJP]
 + Bryum atropurpureum (Wahlenb.) F. Weber & D. Mohr ex Fürnr. [AMBIGUOUS_SYNONYM SPECIES 308968:KSMKJ nidx=null parent=9SRJP]
Buchozia coprosmoides
 - Buchozia coprosmoides L'Hér. [SYNONYM SPECIES 308619:9JXJS nidx=null parent=4WVLM]
 + Buchozia coprosmoides L'Hér. [SYNONYM SPECIES 308968:NMS8 nidx=null parent=4WVLM]
Bulimina marginata f. marginata
 - Bulimina marginata f. marginata [SYNONYM FORM 308619:BQH3D nidx=null parent=NSTH]
 + Bulimina marginata f. marginata d'Orbigny, 1826 [SYNONYM FORM 308968:7MTWW nidx=null parent=NSTH]
Byrrhidiini
 - Byrrhidiini Davis, Deschodt & Scholtz, 2019 [ACCEPTED TRIBE 308619:KNJ nidx=null]
 + Byrrhidiini Davis, Deschodt & Scholtz, 2019 [SYNONYM GENUS 308968:KSL9Q nidx=null parent=KTS8B]
Calathus brunneus
 - Calathus brunneus Letzner, 1852 unavailable name [AMBIGUOUS_SYNONYM SPECIES 308619:CGT4V nidx=null parent=8MFYZ]
 + Calathus brunneus Letzner, 1852 [AMBIGUOUS_SYNONYM SPECIES 308968:KSM5N nidx=null parent=8MFYZ]
 + Calathus brunneus Letzner, 1851 [AMBIGUOUS_SYNONYM SPECIES 308968:KSM5P nidx=null parent=8LW3H]
Callobata brasiliana
 - Callobata brasiliana Rondani, 1863 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SMX nidx=null]
 + Callobata brasiliana Rondani, 1863 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JLNS nidx=null]
Callyspongia (Toxochalina) dendyi
 - Callyspongia (Toxochalina) dendyi (Burton, 1931) [ACCEPTED SPECIES 308619:PWNV nidx=null]
 + Callyspongia (Toxochalina) dendyi [ACCEPTED SPECIES 308968:KSMXM nidx=null]
Callyspongia dendyi
 - Callyspongia dendyi (Burton, 1931) [SYNONYM SPECIES 308619:PWQL nidx=null parent=PWNV]
 + Callyspongia dendyi [SYNONYM SPECIES 308968:KSMXN nidx=null parent=KSMXM]
Callyspongia ridleyi
 - Callyspongia ridleyi Burton, 1934 [ACCEPTED SPECIES 308619:PWT5 nidx=null]
 + Callyspongia ridleyi [ACCEPTED SPECIES 308968:KSMXV nidx=null]
Campylopus atrovirens f. falcatus
 - Campylopus atrovirens f. falcatus (Braithw.) Mönk. [SYNONYM FORM 308619:9NDMD nidx=null parent=QHKG]
 + Campylopus atrovirens f. falcatus (Braithw.) Podp. [SYNONYM FORM 308968:CW5SG nidx=null parent=QHKG]
Campylopus flexuosus f. uliginosus
 - Campylopus flexuosus f. uliginosus (Renauld) Podp. [SYNONYM FORM 308619:9TZ2P nidx=null parent=QHMC]
 + Campylopus flexuosus f. uliginosus (Renauld) Mönk. [SYNONYM FORM 308968:CW5SN nidx=null parent=QHMC]
Campylopus hoehnelii
 - Campylopus hoehnelii (Müll. Hal.) Kindb. [SYNONYM SPECIES 308619:CHVMX nidx=null parent=QHPF]
 + Campylopus hoehnelii (Müll. Hal.) Müll. Hal. [SYNONYM SPECIES 308968:KSLSZ nidx=null parent=QHPF]
Campylopus leucochlorus
 - Campylopus leucochlorus (Müll. Hal.) Kindb. [SYNONYM SPECIES 308619:C9BGS nidx=null parent=QHMY]
 + Campylopus leucochlorus (Müll. Hal.) Müll. Hal. [SYNONYM SPECIES 308968:KSLT3 nidx=null parent=QHMY]
Campylopus procerus
 - Campylopus procerus (Müll. Hal.) Kindb. [SYNONYM SPECIES 308619:C94TR nidx=null parent=QHN9]
 + Campylopus procerus (Müll. Hal.) Müll. Hal. [SYNONYM SPECIES 308968:KSLT6 nidx=null parent=QHN9]
Campylopus subulatus var. elongatus
 - Campylopus subulatus var. elongatus (Bosw.) Dixon [SYNONYM VARIETY 308619:9T87V nidx=null parent=QHQY]
 + Campylopus subulatus var. elongatus (Bosw.) Braithw. [SYNONYM VARIETY 308968:KSLTC nidx=null parent=QHQY]
Cannobotryidae
 - Cannobotryidae [ACCEPTED FAMILY 308619:7NX nidx=null]
 + Cannobotryidae Haeckel, 1881 [ACCEPTED FAMILY 308968:KSM35 nidx=null]
Carabus viridis
 - Carabus viridis Letzner, 1850 unavailable name [AMBIGUOUS_SYNONYM SPECIES 308619:CTTZD nidx=null parent=8LW79]
 + Carabus viridis (G.Hauser, 1921) [AMBIGUOUS_SYNONYM SPECIES 308968:KSMNX nidx=null parent=8MCMH]
 + Carabus viridis Letzner, 1850 [AMBIGUOUS_SYNONYM SPECIES 308968:KSMNY nidx=null parent=8LW3X]
 + Carabus viridis Letzner, 1850 [AMBIGUOUS_SYNONYM SPECIES 308968:KSMNZ nidx=null parent=8LVKM]
Cardiomanoideae
 - Cardiomanoideae K.Iwats. [SYNONYM UNRANKED 308619:BW5KH nidx=null parent=B8X3M]
 + Cardiomanoideae K.Iwats. [SYNONYM SUBFAMILY 308968:KSMVB nidx=null parent=B8X3M]
Cardium (Fragum) crenelloides
 - Cardium (Fragum) crenelloides Melvill, 1909 [SYNONYM SPECIES 308619:CQ4XL nidx=null parent=65FZN]
 + Cardium (Fragum) crenelloides Melvill, 1909 [SYNONYM SPECIES 308968:KSMX8 nidx=null parent=65FZN]
Cardium (Fragum) medium
 - Cardium (Fragum) medium Linnaeus, 1758 [SYNONYM SPECIES 308619:CQ4XM nidx=null parent=CR7K]
 + Cardium (Fragum) medium Linnaeus, 1758 [SYNONYM SPECIES 308968:KSMX9 nidx=null parent=CR7K]
Carpocanarium
 - Carpocanarium [ACCEPTED GENUS 308619:62KK3 nidx=null]
 + Carpocanarium Haeckel, 1887 [ACCEPTED GENUS 308968:KSLNG nidx=null]
Carpocaniidae
 - Carpocaniidae [ACCEPTED FAMILY 308619:7RL nidx=null]
 + Carpocaniidae Haeckel, 1881 [ACCEPTED FAMILY 308968:KSLNH nidx=null]
Carpocanistrum
 - Carpocanistrum [ACCEPTED GENUS 308619:3HTV nidx=null]
 + Carpocanistrum Haeckel, 1887 [ACCEPTED GENUS 308968:KSLNJ nidx=null]
Carpocanium
 - Carpocanium [ACCEPTED GENUS 308619:3HTW nidx=null]
 + Carpocanium Ehrenberg, 1847 [ACCEPTED GENUS 308968:KSLNK nidx=null]
Cassida (Cassida) flaveola
 - Cassida (Cassida) flaveola Thunberg, 1794 [ACCEPTED SPECIES 308619:7RYKH nidx=null]
 + Cassida (Cassida) flaveola Thunberg, 1794 [ACCEPTED SPECIES 308968:5XCTW nidx=null]
Cassidulina miocenica var. miocenica
 - Cassidulina miocenica var. miocenica [SYNONYM VARIETY 308619:BPTQ9 nidx=null parent=82S28]
 + Cassidulina miocenica var. miocenica Voloshinova & Borovleva, 1952 [SYNONYM VARIETY 308968:KSLZD nidx=null parent=82S28]
Cassidulina smechovi var. smechovi
 - Cassidulina smechovi var. smechovi [SYNONYM VARIETY 308619:BPTQB nidx=null parent=82S2D]
 + Cassidulina smechovi var. smechovi Voloshinova, 1952 [SYNONYM VARIETY 308968:KSLZF nidx=null parent=82S2D]
Catagonium serrulatum
 - Catagonium serrulatum (Cardot ex Broth. & Paris) Broth. [SYNONYM SPECIES 308619:69DSY nidx=null parent=43RRJ]
 + Catagonium serrulatum (Cardot ex Broth. & Paris) Paris [SYNONYM SPECIES 308968:KSM5L nidx=null parent=43RRJ]
Catharinea urnigera
 - Catharinea urnigera (Hedw.) J. Kickx f. [SYNONYM SPECIES 308619:9RW5P nidx=null parent=6VSZD]
 + Catharinea urnigera (Hedw.) Röhl. [SYNONYM SPECIES 308968:CW683 nidx=null parent=6VSZD]
Cenolia (Cenolia) benhami
 - Cenolia (Cenolia) benhami (AH Clark, 1916) [SYNONYM SPECIES 308619:CTVRC nidx=null parent=8GNYB]
 + Cenolia (Cenolia) benhami (AH Clark, 1916) [SYNONYM SPECIES 308968:KSNJ7 nidx=null parent=8GNYB]
Cenosphaera
 - Cenosphaera [ACCEPTED GENUS 308619:3K5T nidx=null]
 + Cenosphaera Ehrenberg, 1854 [ACCEPTED GENUS 308968:KSNJN nidx=null]
Centaurea × jacea f. dumeticola
 - Centaurea × jacea f. dumeticola Sennen [SYNONYM FORM 308619:B58M9 nidx=null parent=99GRV]
 + Centaurea × jacea f. dumeticola Sennen [SYNONYM FORM 308968:5SCHD nidx=null parent=99GRV]
Cephalozia rigida var. grandis
 - Cephalozia rigida var. grandis Gottsche ex Lindb. [SYNONYM VARIETY 308619:9T894 nidx=null parent=4YVLW]
 + Cephalozia rigida var. grandis Lindb. [SYNONYM VARIETY 308968:KSP8S nidx=null parent=4YVLW]
Ceratonereis (Simplisetia) transversa
 - Ceratonereis (Simplisetia) transversa Hutchings & Turvey, 1982 [SYNONYM SPECIES 308619:CTWXP nidx=null parent=4XG3Q]
 + Ceratonereis (Simplisetia) transversa Hutchings & Turvey, 1982 [SYNONYM SPECIES 308968:KSPXH nidx=null parent=4XG3Q]
Ceratopogon succinctus
 - Ceratopogon succinctus Wiedemann, 1818 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SQG nidx=null]
 + Ceratopogon succinctus Wiedemann, 1818 [PROVISIONALLY_ACCEPTED SPECIES 308968:9TKXV nidx=null]
Ceratopterideae
 - Ceratopterideae T.Moore [SYNONYM UNRANKED 308619:BW5KX nidx=null parent=B8X44]
 - Ceratopterideae J.Sm. [SYNONYM UNRANKED 308619:BW5KY nidx=null parent=B8X44]
 + Ceratopterideae J.Sm. [SYNONYM TRIBE 308968:KSMK5 nidx=null parent=B8X44]
 + Ceratopterideae T.Moore [SYNONYM TRIBE 308968:KSMK6 nidx=null parent=B8X44]
Ceratopteridoideae
 - Ceratopteridoideae (J.Sm.) R.M.Tryon [SYNONYM UNRANKED 308619:CJXWG nidx=null parent=B8X44]
 + Ceratopteridoideae (J.Sm.) R.M.Tryon [SYNONYM SUBFAMILY 308968:KSMK7 nidx=null parent=B8X44]
Ceratospyris
 - Ceratospyris [ACCEPTED GENUS 308619:62K98 nidx=null]
 + Ceratospyris Ehrenberg, 1847 [ACCEPTED GENUS 308968:KSMKD nidx=null]
Cercopis hemorroidalis
 - Cercopis hemorroidalis (Schrank, 1781) [SYNONYM SPECIES 308619:CTV6C nidx=null parent=76Q6T]
 + Cercopis hemorroidalis (Schrank, 1781) [SYNONYM SPECIES 308968:KSMSS nidx=null parent=76Q6T]
Cerebratulus steeneni
 - Cerebratulus steeneni [SYNONYM SPECIES 308619:SWNC nidx=null parent=4DJBG]
 + Cerebratulus steeneni Bürger, 1893 [SYNONYM SPECIES 308968:KSMVP nidx=null parent=4DJBG]
Cerebratulus steinini
 - Cerebratulus steinini [SYNONYM SPECIES 308619:5XLQC nidx=null parent=4DJBG]
 + Cerebratulus steinini (Bürger, 1893) [SYNONYM SPECIES 308968:KSMVQ nidx=null parent=4DJBG]
Cerithium (Cerithium) tjilonganensis
 - Cerithium (Cerithium) tjilonganensis K. Martin, 1899 [SYNONYM SPECIES 308619:CRR4R nidx=null parent=5ZDX4]
 + Cerithium (Cerithium) tjilonganensis K. Martin, 1899 [SYNONYM SPECIES 308968:KSN29 nidx=null parent=5ZDX4]
Ceroxys ethiopia
 - †Ceroxys ethiopia Meunier, 1908 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SQX nidx=null]
 + Ceroxys ethiopia Meunier, 1908 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JMS5 nidx=null]
Chalinissa elongata var. tenuispicula
 - Chalinissa elongata var. tenuispicula Thum, 1903 [SYNONYM VARIETY 308619:857QW nidx=null parent=PWMD]
 + Chalinissa elongata var. tenuispicula Thum, 1903 [SYNONYM VARIETY 308968:857QX nidx=null parent=PWMD]
Cheilantheae
 - Cheilantheae J.Sm. [SYNONYM UNRANKED 308619:BDJH7 nidx=null parent=B8X36]
 - Cheilantheae Tod. [SYNONYM UNRANKED 308619:BW2PQ nidx=null parent=B8X36]
 + Cheilantheae J.Sm. [SYNONYM TRIBE 308968:KSPXQ nidx=null parent=B8X36]
 + Cheilantheae Tod. [SYNONYM TRIBE 308968:KSPXR nidx=null parent=B8X36]
Cheilanthinae
 - Cheilanthinae Diels [SYNONYM UNRANKED 308619:BW5JY nidx=null parent=B8X36]
 + Cheilanthinae Diels [SYNONYM SUBTRIBE 308968:KSQ8N nidx=null parent=B8X36]
Cheilanthoideae
 - Cheilanthoideae W.C.Shieh [SYNONYM UNRANKED 308619:8YZWB nidx=null parent=B8X36]
 - Cheilanthoideae (J.Sm.) W.C.Shieh [SYNONYM UNRANKED 308619:CK2GP nidx=null parent=B8X36]
 + Cheilanthoideae W.C.Shieh [SYNONYM SUBFAMILY 308968:KSQ8P nidx=null parent=B8X36]
 + Cheilanthoideae (J.Sm.) W.C.Shieh [SYNONYM SUBFAMILY 308968:KSQ8Q nidx=null parent=B8X36]
Cheilosia nigroapicata
 - Cheilosia nigroapicata Curran, 1926 [ACCEPTED SPECIES 308619:92LQG nidx=null]
 + Cheilosia nigroapicata Curran, 1926 [ACCEPTED SPECIES 308968:TSRZ nidx=null]
Cheilosialepta baltica
 - †Cheilosialepta baltica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SRQ nidx=null]
 + Cheilosialepta baltica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JMVJ nidx=null]
Cheiropleuriaceae
 - Cheiropleuriaceae Nakai [SYNONYM UNRANKED 308619:CK2KL nidx=null parent=B8WSQ]
 + Cheiropleuriaceae Nakai [SYNONYM FAMILY 308968:KSQCM nidx=null parent=B8WSQ]
Chironomus tripartitus
 - Chironomus tripartitus Kieffer, 1910 [SYNONYM SPECIES 308619:889BF nidx=null parent=CDWTT]
 + Chironomus tripartitus Kieffer, 1910 [SYNONYM SPECIES 308968:5Y6FG nidx=null parent=CDWTT]
Chiton (Ischnochiton) curtisianus
 - Chiton (Ischnochiton) curtisianus E. A. Smith, 1884 [SYNONYM SPECIES 308619:5Y5Y6 nidx=null parent=6ZFTL]
 + Chiton (Ischnochiton) curtisianus E. A. Smith, 1884 [SYNONYM SPECIES 308968:DKLM2 nidx=null parent=6ZFTL]
Chorisodontium cylindrothecium
 - Chorisodontium cylindrothecium (Mitt.) Sakurai [SYNONYM SPECIES 308619:9RWYL nidx=null parent=6D3VR]
 + Chorisodontium cylindrothecium (Mitt.) Ihsiba [SYNONYM SPECIES 308968:CW5VM nidx=null parent=6D3VR]
Chortophila liturata
 - Chortophila liturata Rondani, 1868 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SSZ nidx=null]
 + Chortophila liturata Rondani, 1868 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JN92 nidx=null]
Chortophila varipes
 - Chortophila varipes Pokorny, 1889 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ST2 nidx=null]
 + Chortophila varipes Pokorny, 1889 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JN9D nidx=null]
Chremistica seminigra
 - Chremistica seminigra (Distant, 1909) [ACCEPTED SPECIES 308619:8KL9V nidx=null]
 + Chremistica seminigra (Distant, 1909) [ACCEPTED SPECIES 308968:5YFCR nidx=null]
Christella × wildemanii
 - Christella × wildemanii (Christ) comb. ined. [PROVISIONALLY_ACCEPTED SPECIES 308619:B9SCX nidx=null]
 + Christella × wildemanii Christ [PROVISIONALLY_ACCEPTED SPECIES 308968:KSP8T nidx=null]
Chrysocladium retrorsum var. kiusiuense
 - Chrysocladium retrorsum var. kiusiuense (Broth. & Paris) Cardot [SYNONYM VARIETY 308619:9VFY7 nidx=null parent=5YNYZ]
 + Chrysocladium retrorsum var. kiusiuense (Broth. & Paris) Ihsiba [SYNONYM VARIETY 308968:CW5FY nidx=null parent=5YNYZ]
Cibotieae
 - Cibotieae Pfeiff. [SYNONYM UNRANKED 308619:BW5M2 nidx=null parent=B8WRV]
 + Cibotieae Pfeiff. [SYNONYM TRIBE 308968:KSQKL nidx=null parent=B8WRV]
Cicada bihammata
 - Cicada bihammata (Motschulsky, 1861) [SYNONYM SPECIES 308619:CTXLJ nidx=null parent=8K2NL]
 + Cicada bihammata (Motschulsky, 1861) [SYNONYM SPECIES 308968:KSQLD nidx=null parent=8K2NL]
Cicada duvancellii
 - Cicada duvancellii (Guérin-Méneville, 1829) [SYNONYM SPECIES 308619:CTXLT nidx=null parent=RDD9]
 + Cicada duvancellii (Guérin-Méneville, 1829) [SYNONYM SPECIES 308968:KSQLL nidx=null parent=RDD9]
Cicada fusconervosa
 - Cicada fusconervosa Stål, 1855 [SYNONYM SPECIES 308619:8HY7J nidx=null parent=8JNK7]
 + Cicada fusconervosa Stål, 1855 [SYNONYM SPECIES 308968:V5QZ nidx=null parent=8JNK7]
Cicada harrisii
 - Cicada harrisii (Leach, 1814) [SYNONYM SPECIES 308619:CTXLX nidx=null parent=78C24]
 + Cicada harrisii (Leach, 1814) [SYNONYM SPECIES 308968:KSQLP nidx=null parent=78C24]
Cicada hilaris
 - Cicada hilaris (Ramos, 1983) non Germar, 1834 [SYNONYM SPECIES 308619:8HY8T nidx=null parent=CSQLL]
 + Cicada hilaris (Ramos Alemar, 1983) [SYNONYM SPECIES 308968:KSQLQ nidx=null parent=CSQLL]
Cicada maculata
 - Cicada maculata Villers, 1789 [AMBIGUOUS_SYNONYM SPECIES 308619:V5VX nidx=null parent=V5M3]
 + Cicada maculata De Villers, 1789 [AMBIGUOUS_SYNONYM SPECIES 308968:8HY9W nidx=null parent=V5M3]
Cicada scutata
 - Cicada scutata Goeze, 1778 [PROVISIONALLY_ACCEPTED SPECIES 308619:5Z4NV nidx=null]
 + Cicada scutata Seba, 1765 [PROVISIONALLY_ACCEPTED SPECIES 308968:V67V nidx=null]
Cicada serricostata
 - Cicada serricostata Karsch, 1890 [SYNONYM SPECIES 308619:V68P nidx=null parent=4R7FL]
 + Cicada serricostata (Walker, 1850) [SYNONYM SPECIES 308968:KSQMH nidx=null parent=4R7FL]
Cicada steveni
 - Cicada steveni Stål, 1854 [AMBIGUOUS_SYNONYM SPECIES 308619:8HYJ9 nidx=null parent=4NB3L]
 + Cicada steveni Stål, 1854 [AMBIGUOUS_SYNONYM SPECIES 308968:V69T nidx=null parent=4NB3L]
Cicadetta aestivalis
 - Cicadetta aestivalis Schedl, 1986 [SYNONYM SPECIES 308619:V6WL nidx=null parent=8K2PV]
 + Cicadetta aestivalis (Eversmann, 1837) [SYNONYM SPECIES 308968:KSQP8 nidx=null parent=8K2PV]
Cicadetta argentata atra
 - Cicadetta argentata atra (Menor y Ortega, 1957) [SYNONYM SUBSPECIES 308619:BPZG4 nidx=null parent=55V6C]
 + Cicadetta argentata atra (Gómez-Menor, 1957) [SYNONYM SUBSPECIES 308968:KSQPB nidx=null parent=55V6C]
Cicadetta calliope
 - Cicadetta calliope (Ramos, 1983) non Walker, 1850 [SYNONYM SPECIES 308619:8HW9T nidx=null parent=V79D]
 + Cicadetta calliope (Ramos Alemar, 1983) [SYNONYM SPECIES 308968:KSQPC nidx=null parent=V79D]
Cicadula (Cicadula) quadripunctata
 - Cicadula (Cicadula) quadripunctata (Villers, 1789) [ACCEPTED SPECIES 308619:V7CG nidx=null]
 + Cicadula (Cicadula) quadripunctata (De Villers, 1789) [ACCEPTED SPECIES 308968:8RJ8R nidx=null]
Cicadula horváthi
 - Cicadula horváthi Wagner, 1935 [SYNONYM SPECIES 308619:CRVPH nidx=null parent=BQ74B]
 + Cicadula horváthi Wagner, 1935 [SYNONYM SPECIES 308968:KSQQJ nidx=null parent=BQ74B]
Cicadula quadrilineatus
 - Cicadula quadrilineatus Forbes, 1885 [SYNONYM SPECIES 308619:CTXQD nidx=null parent=8JWBD]
 + Cicadula quadrilineatus Forbes, 1885 [SYNONYM SPECIES 308968:KSQQK nidx=null parent=8JWBD]
Ciliocincta
 - Ciliocincta [ACCEPTED GENUS 308619:3PW3 nidx=null]
 + Ciliocincta Kozloff, 1965 [ACCEPTED GENUS 308968:KSR56 nidx=null]
Cinara thujafilina
 - Cinara thujafilina Del Guercio, 1909 [SYNONYM SPECIES 308619:CTY86 nidx=null parent=BSLG7]
 + Cinara thujafilina Del Guercio, 1909 [SYNONYM SPECIES 308968:KSR6R nidx=null parent=BSLG7]
Cinclidotus nigricans
 - Cinclidotus nigricans (Brid.) Wijk & Margad. [SYNONYM SPECIES 308619:9L7BL nidx=null parent=VDNM]
 + Cinclidotus nigricans (Brid.) Dixon [SYNONYM SPECIES 308968:KSR7B nidx=null parent=VDNM]
Cirphis albomarginata
 - Cirphis albomarginata Wileman & West, 1928 [SYNONYM SPECIES 308619:CTVKB nidx=null parent=945KH]
 + Cirphis albomarginata Wileman & West, 1928 [SYNONYM SPECIES 308968:KSN6B nidx=null parent=945KH]
Cirratulus tentaculatus meridionalis
 - Cirratulus tentaculatus meridionalis Marenzeller, 1887 [SYNONYM SUBSPECIES 308619:85S6Q nidx=null parent=5DVGR]
 + Cirratulus tentaculatus meridionalis Marenzeller, 1887 [SYNONYM SUBSPECIES 308968:5GGLX nidx=null parent=5DVGR]
Cirripathes (Stichopathes) filiformis
 - Cirripathes (Stichopathes) filiformis Gray, 1868 [SYNONYM SPECIES 308619:CTVLF nidx=null parent=52J42]
 + Cirripathes (Stichopathes) filiformis Gray, 1868 [SYNONYM SPECIES 308968:KSN6Z nidx=null parent=52J42]
Cistena pallassii
 - Cistena pallassii Leach, 1816 [SYNONYM SPECIES 308619:852L6 nidx=null parent=75VKH]
 + Cistena pallassii Leach, 1816 [SYNONYM SPECIES 308968:VLD8 nidx=null parent=75VKH]
Clathria compressa
 - Clathria compressa (Bowerbank, 1875) [ACCEPTED SPECIES 308619:5Z7YQ nidx=null]
 + Clathria compressa [ACCEPTED SPECIES 308968:KSP2T nidx=null]
Clathrodrillia (Carinodrillia) halis
 - Clathrodrillia (Carinodrillia) halis Dall, 1919 [SYNONYM SPECIES 308619:CTW9F nidx=null parent=RDMT]
 + Clathrodrillia (Carinodrillia) halis Dall, 1919 [SYNONYM SPECIES 308968:KSP44 nidx=null parent=RDMT]
Cleodora (Creseis) striata
 - Cleodora (Creseis) striata Rang, 1828 [SYNONYM SPECIES 308619:CQ6Q6 nidx=null parent=3MW9S]
 + Cleodora (Creseis) striata Rang, 1828 [SYNONYM SPECIES 308968:KSPPX nidx=null parent=3MW9S]
Coccodiscidae
 - Coccodiscidae [ACCEPTED FAMILY 308619:624CR nidx=null]
 + Coccodiscidae Haeckel, 1862 [ACCEPTED FAMILY 308968:KSRHD nidx=null]
Cochlicopa (Sinizua) davidis
 - Cochlicopa (Sinizua) davidis (Ancey, 1882) [SYNONYM SPECIES 308619:9CQ97 nidx=null parent=7QQTV]
 + Cochlicopa (Sinizua) davidis [SYNONYM SPECIES 308968:KSRM7 nidx=null parent=KTTJH]
Coelopleurus floridanus interruptus
 - Coelopleurus floridanus interruptus Döderlein, 1910 [SYNONYM SUBSPECIES 308619:CTVQS nidx=null parent=WSJC]
 + Coelopleurus floridanus interruptus Döderlein, 1910 [SYNONYM SUBSPECIES 308968:KSNHD nidx=null parent=WSJC]
Coenobothrus karawanus
 - Coenobothrus karawanus Attems, 1938 [ACCEPTED SPECIES 308619:CTVS8 nidx=null]
 + Coenobothrus karawanus Attems, 1938 [ACCEPTED SPECIES 308968:KSNKR nidx=null]
Collosphaera
 - Collosphaera [ACCEPTED GENUS 308619:3SDT nidx=null]
 + Collosphaera Müller, 1859 [ACCEPTED GENUS 308968:KSPDZ nidx=null]
Cololejeunea micrandroecia
 - Cololejeunea micrandroecia (Spruce) M. Menzel [ACCEPTED SPECIES 308619:X7BQ nidx=null]
 + Cololejeunea micrandroecia (Spruce) R.M. Schust. [ACCEPTED SPECIES 308968:KSPMJ nidx=null]
Colpocephalum haliaeti
 - Colpocephalum haliaeti Denny, 1842 [SYNONYM SPECIES 308619:8MY8G nidx=null parent=3RG62]
 + Colpocephalum haliaeti Denny, 1842 [SYNONYM SPECIES 308968:5ZMKK nidx=null parent=3RG62]
Columbella (Alia)
 - Columbella (Alia) H. Adams & A. Adams, 1853 [SYNONYM SUBGENUS 308619:CRHLT nidx=null parent=7NNJW]
 + Columbella (Alia) H. Adams & A. Adams, 1853 [SYNONYM SUBGENUS 308968:KSFHQ nidx=null parent=7NNJW]
Columbella (Mitrella) marquesa var. taeniolata
 - Columbella (Mitrella) marquesa var. taeniolata Kobelt, 1897 [SYNONYM VARIETY 308619:9YD2P nidx=null parent=42BCT]
 + Columbella (Mitrella) marquesa var. taeniolata Kobelt, 1897 [SYNONYM VARIETY 308968:5N7TQ nidx=null parent=42BCT]
Conocephalus (Anisoptera) beybienkoi
 - Conocephalus (Anisoptera) beybienkoi Storozhenko, 1981 [ACCEPTED SPECIES 308619:XPY4 nidx=null]
 + Conocephalus (Anisoptera) beybienkoi Storozhenko, 1981 [ACCEPTED SPECIES 308968:KQP3B nidx=null]
Conocephalus (Anisoptera) guangdongensis
 - Conocephalus (Anisoptera) guangdongensis Shi & Liang, 1997 [ACCEPTED SPECIES 308619:XPYS nidx=null]
 + Conocephalus (Anisoptera) guangdongensis Shi & Liang, 1997 [ACCEPTED SPECIES 308968:KQP33 nidx=null]
Conocephalus (Anisoptera) liangi
 - Conocephalus (Anisoptera) liangi Liu & Zhang, 2007 [ACCEPTED SPECIES 308619:XPZ4 nidx=null]
 + Conocephalus (Anisoptera) liangi Liu & Zhang, 2007 [ACCEPTED SPECIES 308968:KQP34 nidx=null]
Conocephalus (Anisoptera) percaudatus
 - Conocephalus (Anisoptera) percaudatus Bey-Bienko, 1955 [ACCEPTED SPECIES 308619:XPZC nidx=null]
 + Conocephalus (Anisoptera) percaudatus Bey-Bienko, 1955 [ACCEPTED SPECIES 308968:KQP3C nidx=null]
Conocephalus (Aphauropus) leptopterus
 - Conocephalus (Aphauropus) leptopterus Rehn & Hebard, 1915 [ACCEPTED SPECIES 308619:5ZSMC nidx=null]
 + Conocephalus (Aphauropus) leptopterus Rehn & Hebard, 1915 [ACCEPTED SPECIES 308968:KQTWW nidx=null]
Conocephalus (Conocephalus) differentus
 - Conocephalus (Conocephalus) differentus Shi & Liang, 1997 [ACCEPTED SPECIES 308619:XQ2W nidx=null]
 + Conocephalus (Conocephalus) differentus Shi & Liang, 1997 [ACCEPTED SPECIES 308968:KQP32 nidx=null]
Conocephalus (Conocephalus) emeiensis
 - Conocephalus (Conocephalus) emeiensis Shi & Zheng, 1999 [ACCEPTED SPECIES 308619:XQ2Z nidx=null]
 + Conocephalus (Conocephalus) emeiensis Shi & Zheng, 1999 [ACCEPTED SPECIES 308968:KQP37 nidx=null]
Conocephalus (Conocephalus) sulcifrontis
 - Conocephalus (Conocephalus) sulcifrontis Xia & Liu, 1992 [ACCEPTED SPECIES 308619:XQ3Z nidx=null]
 + Conocephalus (Conocephalus) sulcifrontis Xia & Liu, 1992 [ACCEPTED SPECIES 308968:KQP2Z nidx=null]
Conocephalus (Conocephalus) xiai
 - Conocephalus (Conocephalus) xiai Liu & Zhang, 2007 [ACCEPTED SPECIES 308619:5ZSMH nidx=null]
 + Conocephalus (Conocephalus) xiai Liu & Zhang, 2007 [ACCEPTED SPECIES 308968:KQP2Y nidx=null]
Conocephalus (Opeastylus) longipes
 - Conocephalus (Opeastylus) longipes (Redtenbacher, 1891) [ACCEPTED SPECIES 308619:XQ7X nidx=null]
 + Conocephalus (Opeastylus) longipes (Redtenbacher, 1891) [ACCEPTED SPECIES 308968:KQ9MN nidx=null]
Conus (Lautoconus) fontonae
 - Conus (Lautoconus) fontonae Rolán & Trovão, 1990 [SYNONYM SPECIES 308619:CTYHC nidx=null parent=XX95]
 + Conus (Lautoconus) fontonae Rolán & Trovão, 1990 [SYNONYM SPECIES 308968:KSRGS nidx=null parent=XX95]
Conus (Lautoconus) serranegrae
 - Conus (Lautoconus) serranegrae Rolán, 1990 [SYNONYM SPECIES 308619:CTYHJ nidx=null parent=XX95]
 + Conus (Lautoconus) serranegrae Rolán, 1990 [SYNONYM SPECIES 308968:KSRGY nidx=null parent=XX95]
Conus (Rhizoconus) chinoi
 - Conus (Rhizoconus) chinoi Shikama, 1970 [SYNONYM SPECIES 308619:CTYJR nidx=null parent=5ZXPX]
 + Conus (Rhizoconus) chinoi Shikama, 1970 [SYNONYM SPECIES 308968:KSRJ8 nidx=null parent=5ZXPX]
Copris (Paracopris) punctulatus septentrionalis
 - Copris (Paracopris) punctulatus septentrionalis Ochi, Kon & Pham, 2019 [SYNONYM SPECIES 308619:CTZ2Z nidx=null parent=CW2CZ]
 + Copris (Paracopris) punctulatus septentrionalis Ochi, Kon & Pham, 2019 [SYNONYM SUBSPECIES 308968:KSRZR nidx=null parent=CW2CZ]
Copris platycera
 - Copris platycera Wiedemann, 1823 [AMBIGUOUS_SYNONYM SPECIES 308619:7VDLV nidx=null parent=7XMZ3]
 + Copris platycera Wiedemann, 1823 [SYNONYM SPECIES 308968:Y63W nidx=null parent=7XMZ3]
Cordylura aea
 - Cordylura aea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3T4Y nidx=null]
 + Cordylura aea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JNW9 nidx=null]
Cornutella
 - Cornutella [ACCEPTED GENUS 308619:62MDD nidx=null]
 + Cornutella Ehrenberg, 1838 [ACCEPTED GENUS 308968:KSP62 nidx=null]
Corocalyptra
 - Corocalyptra [ACCEPTED GENUS 308619:62MCV nidx=null]
 + Corocalyptra Haeckel, 1887 [ACCEPTED GENUS 308968:KSP64 nidx=null]
Coscinodon cribrosus var. mardorfii
 - Coscinodon cribrosus var. mardorfii (Loeske & H. Winter) Podp. [SYNONYM VARIETY 308619:9T5XG nidx=null parent=YTFL]
 + Coscinodon cribrosus var. mardorfii (Loeske & H. Winter) Jäggli [SYNONYM VARIETY 308968:KSQFS nidx=null parent=YTFL]
Cosmopsaltria minahasae
 - Cosmopsaltria minahasae Distant, 1888 [SYNONYM SPECIES 308619:BMTXX nidx=null parent=365R5]
 + Cosmopsaltria minahasae Distant, 1888 [SYNONYM SPECIES 308968:BJVG7 nidx=null parent=365R5]
Cosmosciara hartii
 - Cosmosciara hartii (Johannsen, 1912) [ACCEPTED SPECIES 308619:8BLH2 nidx=null]
 + Cosmosciara hartii (Johannsen, 1912) [ACCEPTED SPECIES 308968:8BLH3 nidx=null]
Cratoneuron commutatum
 - Cratoneuron commutatum (Hedw.) G. Roth [SYNONYM SPECIES 308619:9L84M nidx=null parent=4C83S]
 + Cratoneuron commutatum (Hedw.) Loeske [SYNONYM SPECIES 308968:CW56N nidx=null parent=4C83S]
Cratoneuron falcatum
 - Cratoneuron falcatum (Brid.) G. Roth [SYNONYM SPECIES 308619:9MLHK nidx=null parent=9M28C]
 + Cratoneuron falcatum (Brid.) Loeske [SYNONYM SPECIES 308968:CW56R nidx=null parent=9M28C]
Cratoneuron filicinum var. trichodes
 - Cratoneuron filicinum var. trichodes (Brid.) G. Roth [SYNONYM VARIETY 308619:9T8H7 nidx=null parent=Z9RW]
 + Cratoneuron filicinum var. trichodes (Brid.) Loeske [SYNONYM VARIETY 308968:CW55W nidx=null parent=Z9RW]
Cryptogonium
 - Cryptogonium (Müll. Hal.) Hampe [ACCEPTED GENUS 308619:9JJF3 nidx=null]
 + Cryptogonium (Müll. Hal.) A. Jaeger [ACCEPTED GENUS 308968:KSR8G nidx=null]
Cryptogramminae
 - Cryptogramminae Prantl [SYNONYM UNRANKED 308619:BW5LR nidx=null parent=6274Z]
 + Cryptogramminae Prantl [SYNONYM SUBTRIBE 308968:KSR8H nidx=null parent=6274Z]
Cryptolophocolea tuberculata
 - Cryptolophocolea tuberculata (J.J. Engel) L. Söderstr. [ACCEPTED SPECIES 308619:CHXKX nidx=null]
 + Cryptolophocolea tuberculata (J.J. Engel) L. Söderstr. [ACCEPTED SPECIES 308968:KSR92 nidx=null]
Ctenidium pinnatum
 - Ctenidium pinnatum (Broth. & Paris) Broth. [ACCEPTED SPECIES 308619:324G7 nidx=null]
 + Ctenidium pinnatum (Broth. & Paris) Ihsiba [ACCEPTED SPECIES 308968:KSRW3 nidx=null]
Ctenophorocera polleniina
 - Ctenophorocera polleniina Bezzi, 1908 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3T9S nidx=null]
 + Ctenophorocera polleniina Bezzi, 1908 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JP34 nidx=null]
Ctenopteryx
 - Ctenopteryx Appellöf, 1890 [SYNONYM GENUS 308619:BDYBH nidx=null parent=7NSVS]
 + Ctenopteryx [SYNONYM GENUS 308968:KSDLP nidx=null parent=7NSVS]
Culex (Culex) mimeticus
 - Culex (Culex) mimeticus Noè, 1899 [ACCEPTED SPECIES 308619:8BML9 nidx=null]
 + Culex (Culex) mimeticus Noè, 1899 [ACCEPTED SPECIES 308968:32BHJ nidx=null]
Culex escomeli
 - Culex escomeli Brèthes, 1920 [SYNONYM SPECIES 308619:88FC9 nidx=null parent=8BMH5]
 + Culex escomeli Brèthes, 1920 [SYNONYM SPECIES 308968:32B68 nidx=null parent=8BMH5]
Culex fossilis
 - †Culex fossilis Brodie, 1845 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3TB4 nidx=null]
 + Culex fossilis Brodie, 1845 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JP45 nidx=null]
Curculio nigrostriatus
 - Curculio nigrostriatus Goeze, J.A.E., 1777 [ACCEPTED SPECIES 308619:CHY4V nidx=null]
 + Curculio nigrostriatus Goeze, J.A.E., 1777 [AMBIGUOUS_SYNONYM SPECIES 308968:KSSJP nidx=null parent=8HZFR]
 + Curculio nigrostriatus Goeze, J.A.E., 1777 [ACCEPTED SPECIES 308968:KSSJQ nidx=null]
Cyana (Clerckia) meyricci
 - Cyana (Clerckia) meyricci Hampson, 1914 [SYNONYM SPECIES 308619:BPT2S nidx=null parent=BFNT5]
 + Cyana (Clerckia) meyricci Hampson, 1914 [SYNONYM SPECIES 308968:96HYW nidx=null parent=BFNT5]
Cyathea apiculata
 - Cyathea apiculata (Alderw.) Alderw. [SYNONYM SPECIES 308619:BZ6KT nidx=null parent=B937L]
 + Cyathea apiculata (Rosenst.) Domin [SYNONYM SPECIES 308968:CW6TW nidx=null parent=B937L]
Cyatheeae
 - Cyatheeae Gaudich. [SYNONYM UNRANKED 308619:BW5KW nidx=null parent=B8V9T]
 + Cyatheeae Gaudich. [SYNONYM TRIBE 308968:KSTCZ nidx=null parent=B8V9T]
Cyatheidae
 - Cyatheidae Doweld [SYNONYM UNRANKED 308619:BW5LQ nidx=null parent=B8V49]
 + Cyatheidae Doweld [SYNONYM SUBCLASS 308968:KSTD2 nidx=null parent=B8V49]
Cyatheinae
 - Cyatheinae Dumort. [SYNONYM UNRANKED 308619:BW5J7 nidx=null parent=B8V9T]
 + Cyatheinae Dumort. [SYNONYM SUBTRIBE 308968:KSTD3 nidx=null parent=B8V9T]
Cyatheineae
 - Cyatheineae Bessey [SYNONYM UNRANKED 308619:BW5LX nidx=null parent=B8V9T]
 + Cyatheineae Bessey [SYNONYM SUBORDER 308968:KSTD4 nidx=null parent=B8V9T]
Cyathoseris parvistella
 - †Cyathoseris parvistella Gerth, 1925 [ACCEPTED SPECIES 308619:863LW nidx=null]
 + Cyathoseris parvistella Michelotti, 1871 [ACCEPTED SPECIES 308968:KSTFH nidx=null]
Cycloclypeus (Cycloclypeus) carpenteri var. carpenteri
 - Cycloclypeus (Cycloclypeus) carpenteri var. carpenteri [SYNONYM VARIETY 308619:BPTXC nidx=null parent=6C4DS]
 + Cycloclypeus (Cycloclypeus) carpenteri var. carpenteri Brady, 1881 in Tan, 1932 [SYNONYM VARIETY 308968:KSTL3 nidx=null parent=6C4DS]
Cyclophorus (Theobaldia)
 - Cyclophorus (Theobaldia) G. Nevill, 1878 [SYNONYM SUBGENUS 308619:BGVWD nidx=null parent=7PJD7]
 + Cyclophorus (Theobaldia) P. Fischer, 1885 [SYNONYM SUBGENUS 308968:KSTQ5 nidx=null parent=7PJD7]
Cyclosorinae
 - Cyclosorinae Ching [SYNONYM UNRANKED 308619:BW5J3 nidx=null parent=B8X4T]
 + Cyclosorinae Ching [SYNONYM SUBTRIBE 308968:KSQW2 nidx=null parent=B8X4T]
Cymbasoma javense
 - Cymbasoma javense Grygier & Suárez-Morales, 2018 [ACCEPTED SPECIES 308619:BMVCZ nidx=null]
 - Cymbasoma javense Isaac, in Grygier & Suárez-Morales, 2018 [ACCEPTED SPECIES 308619:CFQ5Y nidx=null]
 + Cymbasoma javense Suárez-Morales, in Grygier & Suárez-Morales, 2018 [ACCEPTED SPECIES 308968:6C6TZ nidx=null]
Cynodontium alpestre
 - Cynodontium alpestre (Wahlenb.) Milde [AMBIGUOUS_SYNONYM SPECIES 308619:9MLPV nidx=null parent=WHZ3]
 + Cynodontium alpestre (Huebener) A.W.H. Walther & Molendo [AMBIGUOUS_SYNONYM SPECIES 308968:KSRYQ nidx=null parent=WHZ3]
Cyphosoma saïd
 - Cyphosoma saïd Peron & Gauthier in Correau, Peron & Gauthier, 1881 [SYNONYM SPECIES 308619:CRXMJ nidx=null parent=84DTH]
 + Cyphosoma saïd Peron & Gauthier in Correau, Peron & Gauthier, 1881 [SYNONYM SPECIES 308968:KSSC2 nidx=null parent=84DTH]
Cypraea (Luponia) contusa
 - Cypraea (Luponia) contusa McCoy, 1877 [SYNONYM SPECIES 308619:CTZF4 nidx=null parent=5W9DX]
 + Cypraea (Luponia) contusa McCoy, 1877 [SYNONYM SPECIES 308968:KSSDX nidx=null parent=5W9DX]
Cyprideis (Neocyprideis)
 - Cyprideis (Neocyprideis) [SYNONYM SUBGENUS 308619:BS9S5 nidx=null parent=84RQC]
 + Cyprideis (Neocyprideis) Apostolescu, 1956 [SYNONYM SUBGENUS 308968:KSSGJ nidx=null parent=84RQC]
Cytherura (Semicytherura) miurensis
 - Cytherura (Semicytherura) miurensis Hanai, 1957 [SYNONYM SPECIES 308619:CV2CF nidx=null parent=4WGCT]
 + Cytherura (Semicytherura) miurensis Hanai, 1957 [SYNONYM SPECIES 308968:KSTF8 nidx=null parent=4WGCT]
Danaeeae
 - Danaeeae T.Moore [SYNONYM UNRANKED 308619:BW5KC nidx=null parent=B8VFL]
 + Danaeeae T.Moore [SYNONYM TRIBE 308968:KSV6F nidx=null parent=B8VFL]
Danaeoideae
 - Danaeoideae J.Williams [SYNONYM UNRANKED 308619:BW5LH nidx=null parent=B8VGX]
 + Danaeoideae J.Williams [SYNONYM SUBFAMILY 308968:KSV6G nidx=null parent=B8VGX]
Daptonema crassissimus
 - Daptonema crassissimus (Ditlevsen, 1911) [SYNONYM SPECIES 308619:BMVJ2 nidx=null parent=BSZ86]
 + Daptonema crassissimus (Ditlevsen, 1911) [SYNONYM SPECIES 308968:BJWJF nidx=null parent=BSZ86]
Dasia
 - Dasia [SYNONYM GENUS 308619:8NQM3 nidx=null parent=8NY23]
 + Dasia Gómez-Menor Ortega, 1950 [SYNONYM GENUS 308968:KSVBQ nidx=null parent=8NY23]
Dasypogon (Saropogon) chalybeiventris
 - Dasypogon (Saropogon) chalybeiventris Loew, 1851 [SYNONYM SPECIES 308619:88JBC nidx=null parent=8B38Z]
 + Dasypogon (Saropogon) chalybeiventris Loew, 1851 [SYNONYM SPECIES 308968:349LG nidx=null parent=8B38Z]
Davalliales
 - Davalliales Schmakov [SYNONYM UNRANKED 308619:BV8DT nidx=null parent=B8TXB]
 + Davalliales Schmakov [SYNONYM ORDER 308968:KSR8X nidx=null parent=B8TXB]
Davalliinae
 - Davalliinae Payer [SYNONYM UNRANKED 308619:BW5M8 nidx=null parent=B8TXB]
 + Davalliinae Payer [SYNONYM SUBTRIBE 308968:KSR8Y nidx=null parent=B8TXB]
Degeeria mexicana
 - Degeeria mexicana Giglio-Tos, 1893 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3TJM nidx=null]
 + Degeeria mexicana Giglio-Tos, 1893 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JPZL nidx=null]
Dendromonomeron oribates lignivagum
 - Dendromonomeron oribates lignivagum (Verhoeff, 1912) [SYNONYM SUBSPECIES 308619:CLNK7 nidx=null parent=34QMM]
 + Dendromonomeron oribates lignivagum (Verhoeff, 1912) [SYNONYM SUBSPECIES 308968:KSSGY nidx=null parent=34QMM]
Dendromyia (Calladimyia) melanoides
 - Dendromyia (Calladimyia) melanoides Root, 1928 [SYNONYM SPECIES 308619:88JM9 nidx=null parent=5C4BH]
 + Dendromyia (Calladimyia) melanoides Root, 1928 [SYNONYM SPECIES 308968:34QNS nidx=null parent=5C4BH]
Dennstaedtiidae
 - Dennstaedtiidae Doweld [SYNONYM UNRANKED 308619:BW528 nidx=null parent=B8TXB]
 + Dennstaedtiidae Doweld [SYNONYM SUBCLASS 308968:KSSKV nidx=null parent=B8TXB]
Dennstaedtiinae
 - Dennstaedtiinae Prantl [SYNONYM UNRANKED 308619:BW5JG nidx=null parent=BSG5Y]
 + Dennstaedtiinae Prantl [SYNONYM SUBTRIBE 308968:KSSKW nidx=null parent=BSG5Y]
Dentalina gladioides var. gladioides
 - Dentalina gladioides var. gladioides [SYNONYM VARIETY 308619:BPTY3 nidx=null parent=82CCQ]
 + Dentalina gladioides var. gladioides Gerke, 1961 [SYNONYM VARIETY 308968:KSSLC nidx=null parent=82CCQ]
Dermatodidymocystis indicus
 - Dermatodidymocystis indicus Nikolaeva & Dubina, 1978 [SYNONYM SPECIES 308619:7VPS4 nidx=null parent=4JNFN]
 + Dermatodidymocystis indicus Nikolaeva & Dubina, 1978 [SYNONYM SPECIES 308968:34X2D nidx=null parent=4JNFN]
Dichelacera abiens
 - Dichelacera abiens Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3TKF nidx=null]
 + Dichelacera abiens Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JQ6L nidx=null]
Dicksonia karsteniana var. spruceana
 - Dicksonia karsteniana var. spruceana (Mett.) [ACCEPTED VARIETY 308619:BD45P nidx=null]
 + Dicksonia karsteniana var. spruceana Mett. [ACCEPTED VARIETY 308968:KSRXY nidx=null]
Dicksonieae
 - Dicksonieae Gaudich. [SYNONYM UNRANKED 308619:BV8J4 nidx=null parent=B8V9Y]
 + Dicksonieae Gaudich. [SYNONYM TRIBE 308968:KSRY2 nidx=null parent=B8V9Y]
Dicraeus (Paroedesiella) vagans
 - Dicraeus (Paroedesiella) vagans (Meigen, 1838) [ACCEPTED SPECIES 308619:8BSG6 nidx=null]
 + Dicraeus (Paroedesiella) vagans (Meigen, 1838) [ACCEPTED SPECIES 308968:35QRQ nidx=null]
Dicranella schreberi var. lenta
 - Dicranella schreberi var. lenta (Wilson ex Braithw.) Limpr. [SYNONYM VARIETY 308619:9VX5M nidx=null parent=BLRL6]
 + Dicranella schreberi var. lenta Hobk. & Bosw. [SYNONYM VARIETY 308968:CW5TJ nidx=null parent=BLRL6]
Dicranella tenax
 - Dicranella tenax (Müll. Hal.) Kindb. [SYNONYM SPECIES 308619:9K4BJ nidx=null parent=9SGS4]
 + Dicranella tenax (Müll. Hal.) Broth. [SYNONYM SPECIES 308968:35QXT nidx=null parent=9SGS4]
Dicranella varia var. fallax
 - Dicranella varia var. fallax (Wilson) Grav. [SYNONYM VARIETY 308619:9VNKW nidx=null parent=BLRPZ]
 + Dicranella varia var. fallax (Wilson ex Braithw.) Hobk. & Bosw. [SYNONYM VARIETY 308968:CW5TL nidx=null parent=BLRPZ]
Dicranopteridaceae
 - Dicranopteridaceae Ching ex Doweld [SYNONYM UNRANKED 308619:BVB6M nidx=null parent=B8VGT]
 - Dicranopteridaceae Ching [SYNONYM UNRANKED 308619:CK4FM nidx=null parent=B8VGT]
 + Dicranopteridaceae Ching [SYNONYM FAMILY 308968:KSRZW nidx=null parent=B8VGT]
 + Dicranopteridaceae Ching ex Doweld [SYNONYM FAMILY 308968:KSRZX nidx=null parent=B8VGT]
Dicranoweisia crispula f. atrata
 - Dicranoweisia crispula f. atrata (Nees & Hornsch.) Podp. [SYNONYM FORM 308619:9NF86 nidx=null parent=9LM9M]
 + Dicranoweisia crispula f. atrata (Nees & Hornsch.) Jäggli [SYNONYM FORM 308968:KSS4Y nidx=null parent=9LM9M]
Dicranum congestum var. flexicaule
 - Dicranum congestum var. flexicaule (Brid.) Bruch & Schimp. [SYNONYM VARIETY 308619:9T8PF nidx=null parent=9L9X8]
 + Dicranum congestum var. flexicaule (Brid.) Sendtn. [SYNONYM VARIETY 308968:CW5VP nidx=null parent=9L9X8]
Dicranum ferrugineum
 - Dicranum ferrugineum Mitt. ex Wilson [SYNONYM SPECIES 308619:9RZF5 nidx=null parent=9SMS6]
 + Dicranum ferrugineum Mitt. ex Wilson [SYNONYM SPECIES 308968:KSS57 nidx=null parent=9SMS6]
Dicranum longipilum
 - Dicranum longipilum Müll. Hal. [SYNONYM SPECIES 308619:9RZL2 nidx=null parent=QHPF]
 + Dicranum longipilum Hampe [SYNONYM SPECIES 308968:KSS5B nidx=null parent=QHPF]
Dictyoclineae
 - Dictyoclineae Ching [SYNONYM UNRANKED 308619:BW5LK nidx=null parent=B8X4T]
 + Dictyoclineae Ching [SYNONYM SUBORDER 308968:KSS7H nidx=null parent=B8X4T]
Dictyoconus puilboreauensis var. puilboreauensis
 - Dictyoconus puilboreauensis var. puilboreauensis [SYNONYM VARIETY 308619:BPTYG nidx=null parent=86YHS]
 + Dictyoconus puilboreauensis var. puilboreauensis Woodring, 1924 [SYNONYM VARIETY 308968:KSS7K nidx=null parent=86YHS]
Dictyocoryne
 - Dictyocoryne [ACCEPTED GENUS 308619:44YP nidx=null]
 + Dictyocoryne Ehrenberg, 1860 [ACCEPTED GENUS 308968:KSS7L nidx=null]
Dictyophimus
 - Dictyophimus [ACCEPTED GENUS 308619:4528 nidx=null]
 + Dictyophimus Ehrenberg, 1847 [ACCEPTED GENUS 308968:KSS7V nidx=null]
Didemnum psammathodes
 - Didemnum psammathodes (Sluiter, 1895) [SYNONYM SPECIES 308619:CNNWX nidx=null parent=35WTJ]
 + Didemnum psammathodes (Sluiter, 1895) [SYNONYM SPECIES 308968:KSSCX nidx=null parent=35WTJ]
Didinium balbianii
 - Didinium balbianii Fabre-Domergue, 1888 [AMBIGUOUS_SYNONYM SPECIES 308619:CTZG9 nidx=null parent=5JR4K]
 + Didinium balbianii Kahl, 1930 [AMBIGUOUS_SYNONYM SPECIES 308968:KSSG2 nidx=null parent=5JR4N]
 + Didinium balbianii Fabre-Domergue, 1888 [AMBIGUOUS_SYNONYM SPECIES 308968:KSSG3 nidx=null parent=5JR4K]
Didymodiclinus kovaljovae
 - Didymodiclinus kovaljovae (Nikolaeva & Gaevskaja, 1985) Pozdnyakov, 1994 [ACCEPTED SPECIES 308619:84869 nidx=null]
 + Didymodiclinus kovaljovae (Nikolaeva & Gaevskaja, 1985) Pozdnyakov, 1994 [ACCEPTED SPECIES 308968:35YSQ nidx=null]
Didymoglosseae
 - Didymoglosseae C.Presl [SYNONYM UNRANKED 308619:BW5JW nidx=null parent=B8X4W]
 + Didymoglosseae C.Presl [SYNONYM TRIBE 308968:KSSHS nidx=null parent=B8X4W]
Dinaraea (Aglypha)
 - Dinaraea (Aglypha) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 308619:CRJJQ nidx=null parent=9JB2R]
 + Dinaraea (Aglypha) Mulsant & Rey, 1873 [SYNONYM SUBGENUS 308968:KSG7G nidx=null parent=9JB2R]
 + Dinaraea (Aglypha) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 308968:KSG7H nidx=null parent=9JB2R]
Dinaraea (Glaphya)
 - Dinaraea (Glaphya) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 308619:CV28Z nidx=null parent=9JB5T]
 + Dinaraea (Glaphya) Mulsant & Rey, 1873 [SYNONYM SUBGENUS 308968:KSTCL nidx=null parent=9JB5T]
 + Dinaraea (Glaphya) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 308968:KSTCM nidx=null parent=9JB5T]
Diphyscium sessile
 - Diphyscium sessile Lindb. [SYNONYM SPECIES 308619:9LB67 nidx=null parent=36G9T]
 + Diphyscium sessile Röhl. [SYNONYM SPECIES 308968:CW5Q2 nidx=null parent=36G9T]
Diplazieae
 - Diplazieae Pfeiff. [SYNONYM UNRANKED 308619:BW5LC nidx=null parent=B8VGN]
 + Diplazieae Pfeiff. [SYNONYM TRIBE 308968:KSTVZ nidx=null parent=B8VGN]
Diplosis fleothripetiperda
 - Diplosis fleothripetiperda Del Guercio, 1931 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3TQ6 nidx=null]
 + Diplosis fleothripetiperda Del Guercio, 1931 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JQ89 nidx=null]
Dipteridinae
 - Dipteridinae Diels [SYNONYM UNRANKED 308619:B8X6G nidx=null parent=B8WSQ]
 + Dipteridinae Diels [SYNONYM SUBTRIBE 308968:KSVJM nidx=null parent=B8WSQ]
Dipteridoideae
 - Dipteridoideae Nathorst [SYNONYM UNRANKED 308619:BW5LM nidx=null parent=B8WSQ]
 + Dipteridoideae Nathorst [SYNONYM SUBFAMILY 308968:KSVJN nidx=null parent=B8WSQ]
Disolenia
 - Disolenia [ACCEPTED GENUS 308619:46VH nidx=null]
 + Disolenia Ehrenberg, 1861 [ACCEPTED GENUS 308968:KSVT3 nidx=null]
Distantidea
 - Distantidea Kirkaldy, 1902 [SYNONYM GENUS 308619:CRXBS nidx=null parent=8NNM4]
 + Distantidea Kirkaldy, 1902 [SYNONYM GENUS 308968:KSS3R nidx=null parent=8NNM4]
 + Distantidea Kirkaldy, 1900 [SYNONYM GENUS 308968:KSS3S nidx=null parent=8NNM4]
Docophorus rotundus
 - Docophorus rotundus Rudow, 1869 [SYNONYM SPECIES 308619:8MYW7 nidx=null parent=7L2FG]
 + Docophorus rotundus Rudow, 1869 [SYNONYM SPECIES 308968:37398 nidx=null parent=7L2FG]
Doodieae
 - Doodieae Gaudich. [SYNONYM UNRANKED 308619:BW5LB nidx=null parent=BV8PB]
 + Doodieae Gaudich. [SYNONYM TRIBE 308968:KSSWV nidx=null parent=BV8PB]
Doraturopsis microcephalus
 - Doraturopsis microcephalus Kusnezov, 1938 [SYNONYM SPECIES 308619:CTZY6 nidx=null parent=6DFNJ]
 + Doraturopsis microcephalus Kusnezov, 1938 [SYNONYM SPECIES 308968:KSSZQ nidx=null parent=6DFNJ]
Draeculacephala sagittifera
 - Draeculacephala sagittifera (Uhler, 1895) [SYNONYM SPECIES 308619:CRZMH nidx=null parent=8JHMY]
 + Draeculacephala sagittifera (Uhler, 1895) [SYNONYM SPECIES 308968:KSTTV nidx=null parent=8JHMY]
Drosophila cinerella
 - Drosophila cinerella Fallén, 1823 [SYNONYM SPECIES 308619:88MJQ nidx=null parent=8BT6R]
 + Drosophila cinerella Fallén, 1823 [SYNONYM SPECIES 308968:6DM4R nidx=null parent=8BT6R]
Drymosphaera
 - Drymosphaera [ACCEPTED GENUS 308619:48H7 nidx=null]
 + Drymosphaera Haeckel, 1881 [ACCEPTED GENUS 308968:KSVJC nidx=null]
Drynarioideae
 - Drynarioideae Crabbe, Jermy & Mickel [SYNONYM UNRANKED 308619:B8X3D nidx=null parent=BVRCQ]
 + Drynarioideae Crabbe, Jermy & Mickel [SYNONYM SUBFAMILY 308968:KSVJK nidx=null parent=BVRCQ]
Dryopteridales
 - Dryopteridales Shmakov [SYNONYM UNRANKED 308619:B8WLL nidx=null parent=B8TXB]
 + Dryopteridales Shmakov [SYNONYM ORDER 308968:KSVK6 nidx=null parent=B8TXB]
Dryopterideae
 - Dryopterideae Ching [SYNONYM UNRANKED 308619:BW4KQ nidx=null parent=B8X3F]
 + Dryopterideae Ching [SYNONYM TRIBE 308968:KSVK7 nidx=null parent=B8X3F]
Dryopteris parabissetiana
 - Dryopteris parabissetiana [ACCEPTED SPECIES 308619:C39BC nidx=null]
 + Dryopteris parabissetiana H.-J.Wei & Z.Y.Zuo [ACCEPTED SPECIES 308968:KSVM8 nidx=null]
Dryopteris × tiantangzhaiensis
 - Dryopteris × tiantangzhaiensis [ACCEPTED SPECIES 308619:C39B5 nidx=null]
 + Dryopteris × tiantangzhaiensis H.-J.Wei & B.Chen [ACCEPTED SPECIES 308968:KSVMZ nidx=null]
Dundubia fasciceps
 - Dundubia fasciceps Stål, 1854 [SYNONYM SPECIES 308619:8J37N nidx=null parent=8JJ7R]
 + Dundubia fasciceps Stål, 1854 [SYNONYM SPECIES 308968:382M6 nidx=null parent=8JJ7R]
Durettenema
 - Durettenema [ACCEPTED GENUS 308619:99TZY nidx=null]
 + Durettenema Ju, Li & Zhang, 2017 [ACCEPTED GENUS 308968:KSVTV nidx=null]
Dyadimyia aurea
 - Dyadimyia aurea Séguy, 1937 [SYNONYM SPECIES 308619:88NR4 nidx=null parent=C2RY2]
 + Dyadimyia aurea Séguy, 1937 [SYNONYM SPECIES 308968:385HX nidx=null parent=C2RY2]
Dynatosoma gracile
 - Dynatosoma gracile Kertész, 1901 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3V3P nidx=null]
 + Dynatosoma gracile Kertész, 1901 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JQK5 nidx=null]
Dysnomia (Scalenilla) sulcata delicata
 - Dysnomia (Scalenilla) sulcata delicata (C. T. Simpson, 1900) [SYNONYM SUBSPECIES 308619:CTZ85 nidx=null parent=6G7JL]
 + Dysnomia (Scalenilla) sulcata delicata (C. T. Simpson, 1900) [SYNONYM SUBSPECIES 308968:KSS6V nidx=null parent=6G7JL]
Echinopora irregularis
 - Echinopora irregularis Veron, Turak & DeVantier, 2000 [ACCEPTED SPECIES 308619:38JWP nidx=null]
 + Echinopora irregularis (Martin, 1880) [ACCEPTED SPECIES 308968:KSSP4 nidx=null]
Ellasmoastraea intermedia
 - †Ellasmoastraea intermedia Michelotti in Sismonda, 1871 [ACCEPTED SPECIES 308619:BV28R nidx=null]
 + Ellasmoastraea intermedia (d'Achiardi, 1867) [ACCEPTED SPECIES 308968:KSVJZ nidx=null]
Elleria
 - Elleria Piza Jr., 1947 [SYNONYM GENUS 308619:7PCZT nidx=null parent=7NMLL]
 + Elleria Piza, 1947 [SYNONYM GENUS 308968:KSVK5 nidx=null parent=7NMLL]
Elphidium excavatum f. excavatum
 - Elphidium excavatum f. excavatum [SYNONYM FORM 308619:B47GV nidx=null parent=39CQC]
 + Elphidium excavatum f. excavatum (Terquem, 1875) [SYNONYM FORM 308968:KSVN8 nidx=null parent=39CQC]
Elphidium limbatum
 - Elphidium limbatum (Chapman, 1907) [AMBIGUOUS_SYNONYM SPECIES 308619:7VVZF nidx=null parent=83WXC]
 + Elphidium limbatum (Chapman, 1907) [SYNONYM SPECIES 308968:39CRT nidx=null parent=83WXC]
Elphidium vulgare var. vulgare
 - Elphidium vulgare var. vulgare [SYNONYM VARIETY 308619:BPV2B nidx=null parent=82FLD]
 + Elphidium vulgare var. vulgare Voloshinova, 1952 [SYNONYM VARIETY 308968:KSVNL nidx=null parent=82FLD]
Empis (Anacrostichus) pachymorion
 - Empis (Anacrostichus) pachymorion Frey, 1935 [ACCEPTED SPECIES 308619:8BZ2N nidx=null]
 + Empis (Anacrostichus) pachymorion Frey, 1935 [ACCEPTED SPECIES 308968:39JJJ nidx=null]
Encalypta brevicolla var. crumiana
 - Encalypta brevicolla var. crumiana (D.G. Horton) H.A. Crum & L.E. Anderson [ACCEPTED VARIETY 308619:BKB7C nidx=null]
 + Encalypta brevicolla var. crumiana (D.G. Horton) H.A. Crum & L.E. Anderson [SYNONYM VARIETY 308968:9T5ZH nidx=null parent=9T5ZG]
Encalypta vulgaris f. apiculata
 - Encalypta vulgaris f. apiculata (Wahlenb.) C.E.O. Jensen [SYNONYM FORM 308619:9T93F nidx=null parent=39MSR]
 + Encalypta vulgaris f. apiculata (Wahlenb.) Medelius [SYNONYM FORM 308968:KSW9S nidx=null parent=39MSR]
Endothyra perfida var. perfida
 - Endothyra perfida var. perfida [SYNONYM VARIETY 308619:BPV2J nidx=null parent=BV378]
 + Endothyra perfida var. perfida Lebedeva, 1954 [SYNONYM VARIETY 308968:KSSMW nidx=null parent=BV378]
Ennea (Huttonella) bicolor
 - Ennea (Huttonella) bicolor (T. Hutton, 1834) [SYNONYM SPECIES 308619:CTZX7 nidx=null parent=3HLN6]
 + Ennea (Huttonella) bicolor (T. Hutton, 1834) [SYNONYM SPECIES 308968:KSSWG nidx=null parent=3HLN6]
Ephippium nigerrima
 - Ephippium nigerrima Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3V9Z nidx=null]
 + Ephippium nigerrima Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JQR6 nidx=null]
Epidapus (Epidapus) microthorax
 - Epidapus (Epidapus) microthorax (Börner, 1903) [ACCEPTED SPECIES 308619:8C2KW nidx=null]
 + Epidapus (Epidapus) microthorax (Börner, 1903) [ACCEPTED SPECIES 308968:6FQHY nidx=null]
Epidapus (Epidapus) schillei
 - Epidapus (Epidapus) schillei (Börner, 1903) [ACCEPTED SPECIES 308619:8C2KY nidx=null]
 + Epidapus (Epidapus) schillei (Börner, 1903) [ACCEPTED SPECIES 308968:6FQHV nidx=null]
Epidapus absoloni
 - Epidapus absoloni Czižek, 1915 [SYNONYM SPECIES 308619:88R6T nidx=null parent=8C2KY]
 + Epidapus absoloni Czižek, 1915 [SYNONYM SPECIES 308968:6G2H7 nidx=null parent=6FQHV]
Epistomina volgensis var. volgensis
 - Epistomina volgensis var. volgensis [SYNONYM VARIETY 308619:BPV2T nidx=null parent=82HC9]
 + Epistomina volgensis var. volgensis Myatlyuk, 1953 [SYNONYM VARIETY 308968:KSW7B nidx=null parent=82HC9]
Epitonium (Cirsotrema) togatum
 - Epitonium (Cirsotrema) togatum Hertlein & A. M. Strong, 1951 [SYNONYM SPECIES 308619:CV4GS nidx=null parent=VJSN]
 + Epitonium (Cirsotrema) togatum Hertlein & A. M. Strong, 1951 [SYNONYM SPECIES 308968:KSWF8 nidx=null parent=VJSN]
Epitonium (Crisposcala) catalinae
 - Epitonium (Crisposcala) catalinae Dall, 1908 [SYNONYM SPECIES 308619:CV4GW nidx=null parent=6G8S7]
 + Epitonium (Crisposcala) catalinae Dall, 1908 [SYNONYM SPECIES 308968:KSWFB nidx=null parent=6G8S7]
Epitonium (Ferminoscala) brunneopictum
 - Epitonium (Ferminoscala) brunneopictum Dall, 1908 [SYNONYM SPECIES 308619:CV4GY nidx=null parent=7PYTS]
 + Epitonium (Ferminoscala) brunneopictum Dall, 1908 [SYNONYM SPECIES 308968:KSWFH nidx=null parent=7PYTS]
Equisetidae
 - Equisetidae Warm. [SYNONYM UNRANKED 308619:CFSFB nidx=null parent=B8V4C]
 + Equisetidae Warm. [SYNONYM SUBCLASS 308968:KSWMY nidx=null parent=B8V4C]
Equisetineae
 - Equisetineae Rabenh. [SYNONYM UNRANKED 308619:BW5LP nidx=null parent=B8V4C]
 + Equisetineae Rabenh. [SYNONYM SUBORDER 308968:KSWMZ nidx=null parent=B8V4C]
Equisetophytina
 - Equisetophytina Reveal [SYNONYM UNRANKED 308619:BW52N nidx=null parent=B8V4C]
 + Equisetophytina Reveal [SYNONYM SUBPHYLUM 308968:KSWN2 nidx=null parent=B8V4C]
Equisetopsida
 - Equisetopsida C.Agardh [SYNONYM UNRANKED 308619:BV84R nidx=null parent=B8V4C]
 + Equisetopsida C.Agardh [SYNONYM CLASS 308968:KSWN3 nidx=null parent=B8V4C]
Erax nervosus
 - Erax nervosus Macquart, 1838 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3VFS nidx=null]
 + Erax nervosus Macquart, 1838 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JQS4 nidx=null]
Eriocera (Eriocera) argentina
 - Eriocera (Eriocera) argentina Alexander, 1919 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCGY nidx=null]
 + Eriocera (Eriocera) argentina Alexander, 1919 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSTYH nidx=null]
Eriocera (Eriocera) breviuscula
 - Eriocera (Eriocera) breviuscula Alexander, 1929 [PROVISIONALLY_ACCEPTED SPECIES 308619:CV2V8 nidx=null]
 + Eriocera (Eriocera) breviuscula Alexander, 1929 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSTYP nidx=null]
Eriocera (Eriocera) brunneipes
 - Eriocera (Eriocera) brunneipes Williston, 1900 [PROVISIONALLY_ACCEPTED SPECIES 308619:CRZSG nidx=null]
 + Eriocera (Eriocera) brunneipes Williston, 1900 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSTYS nidx=null]
Eriocera (Eriocera) cinerea
 - Eriocera (Eriocera) cinerea Alexander, 1912 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCHT nidx=null]
 + Eriocera (Eriocera) cinerea Alexander, 1912 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSTYZ nidx=null]
Eriocera (Eriocera) flammeinota
 - Eriocera (Eriocera) flammeinota Alexander, 1930 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCJL nidx=null]
 + Eriocera (Eriocera) flammeinota Alexander, 1930 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSTZC nidx=null]
Eriocera (Eriocera) fulvibasis
 - Eriocera (Eriocera) fulvibasis Alexander, 1923 [PROVISIONALLY_ACCEPTED SPECIES 308619:CV2W3 nidx=null]
 + Eriocera (Eriocera) fulvibasis Alexander, 1923 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSTZK nidx=null]
Eriocera (Eriocera) geminata
 - Eriocera (Eriocera) geminata Alexander, 1923 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCK5 nidx=null]
 + Eriocera (Eriocera) geminata Alexander, 1923 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSTZQ nidx=null]
Eriocera (Eriocera) jozana
 - Eriocera (Eriocera) jozana Alexander, 1924 [PROVISIONALLY_ACCEPTED SPECIES 308619:CV2WL nidx=null]
 + Eriocera (Eriocera) jozana Alexander, 1924 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSV22 nidx=null]
Eriocera (Eriocera) longeantennata
 - Eriocera (Eriocera) longeantennata Lackschewitz, 1964 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCL8 nidx=null]
 + Eriocera (Eriocera) longeantennata Lackschewitz, 1964 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSV28 nidx=null]
Eriocera (Eriocera) melina
 - Eriocera (Eriocera) melina Alexander, 1922 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCLQ nidx=null]
 + Eriocera (Eriocera) melina Alexander, 1922 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSV2H nidx=null]
Eriocera (Eriocera) mesoxantha
 - Eriocera (Eriocera) mesoxantha Osten Sacken, 1886 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCLS nidx=null]
 + Eriocera (Eriocera) mesoxantha Osten Sacken, 1886 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSV2L nidx=null]
Eriocera (Eriocera) nigrithorax
 - Eriocera (Eriocera) nigrithorax Edwards, 1921 [PROVISIONALLY_ACCEPTED SPECIES 308619:CV2X9 nidx=null]
 + Eriocera (Eriocera) nigrithorax Edwards, 1921 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSV2P nidx=null]
Eriocera (Eriocera) perdecora
 - Eriocera (Eriocera) perdecora Alexander, 1914 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCMJ nidx=null]
 + Eriocera (Eriocera) perdecora Alexander, 1914 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSV2Y nidx=null]
Eriocera (Eriocera) rubrinota
 - Eriocera (Eriocera) rubrinota Alexander, 1918 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCMY nidx=null]
 + Eriocera (Eriocera) rubrinota Alexander, 1918 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSV38 nidx=null]
Eriocera (Eriocera) saturata
 - Eriocera (Eriocera) saturata Alexander, 1919 [PROVISIONALLY_ACCEPTED SPECIES 308619:CV2Y2 nidx=null]
 + Eriocera (Eriocera) saturata Alexander, 1919 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSV3D nidx=null]
Eriocera (Eriocera) sinensis
 - Eriocera (Eriocera) sinensis Edwards, 1921 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCNH nidx=null]
 + Eriocera (Eriocera) sinensis Edwards, 1921 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSV3K nidx=null]
Eriocera (Eriocera) sublima
 - Eriocera (Eriocera) sublima Alexander, 1914 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCNN nidx=null]
 + Eriocera (Eriocera) sublima Alexander, 1914 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSV3P nidx=null]
Eriocera (Eriocera) tholopa
 - Eriocera (Eriocera) tholopa Alexander, 1931 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCNS nidx=null]
 + Eriocera (Eriocera) tholopa Alexander, 1931 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSV3R nidx=null]
Eriocera (Eriocera) waterstoni
 - Eriocera (Eriocera) waterstoni Edwards, 1921 [PROVISIONALLY_ACCEPTED SPECIES 308619:CRZWG nidx=null]
 + Eriocera (Eriocera) waterstoni Edwards, 1921 [PROVISIONALLY_ACCEPTED SPECIES 308968:KSV3Z nidx=null]
Eriosoma (Schizoneura) ulmi
 - Eriosoma (Schizoneura) ulmi [AMBIGUOUS_SYNONYM SPECIES 308619:CV37S nidx=null parent=8P9NH]
 + Eriosoma (Schizoneura) ulmi (Linnaeus, 1758) [AMBIGUOUS_SYNONYM SPECIES 308968:KSV8Z nidx=null parent=3B6DC]
 + Eriosoma (Schizoneura) ulmi [AMBIGUOUS_SYNONYM SPECIES 308968:KSV93 nidx=null parent=3B6C8]
Eristalis (Eoseristalis) basifemorata
 - Eristalis (Eoseristalis) basifemorata Brunetti, 1923 [ACCEPTED SPECIES 308619:CS25J nidx=null]
 + Eristalis (Eoseristalis) basifemorata Brunetti, 1923 [ACCEPTED SPECIES 308968:KSV9W nidx=null]
Eristalis (Eoseristalis) inornatus
 - Eristalis (Eoseristalis) inornatus Loew, 1866 [ACCEPTED SPECIES 308619:CD97T nidx=null]
 + Eristalis (Eoseristalis) inornatus Loew, 1866 [ACCEPTED SPECIES 308968:KSV9X nidx=null]
Eristalis lapideus
 - †Eristalis lapideus Scudder, 1877 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3VHY nidx=null]
 + Eristalis lapideus Scudder, 1877 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JQTJ nidx=null]
Eristalis paucisinuatus
 - †Eristalis paucisinuatus Théobald, 1937 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3RK8 nidx=null]
 + Eristalis paucisinuatus Théobald, 1937 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JQTL nidx=null]
Erpodiaceae
 - Erpodiaceae Broth. [ACCEPTED FAMILY 308619:9JG2M nidx=null]
 + Erpodiaceae Müll. Hal. [ACCEPTED FAMILY 308968:KSS89 nidx=null]
Erythroneura (Erythridula)
 - Erythroneura (Erythridula) Young, 1952 [SYNONYM SUBGENUS 308619:CND52 nidx=null parent=CJV4Q]
 + Erythroneura (Erythridula) Young, 1952 [SYNONYM SUBGENUS 308968:KSJ4J nidx=null parent=CJV4Q]
Euchelus circulatus
 - Euchelus circulatus (Anton, 1849) [ACCEPTED SPECIES 308619:3BSQ5 nidx=null]
 + Euchelus circulatus (R. A. Philippi, 1849) [ACCEPTED SPECIES 308968:KSWX6 nidx=null]
Eucyrtidium
 - Eucyrtidium [ACCEPTED GENUS 308619:4FDW nidx=null]
 + Eucyrtidium Ehrenberg, 1847 [ACCEPTED GENUS 308968:KSX62 nidx=null]
Eulima (Leiostraca) hemphillii
 - Eulima (Leiostraca) hemphillii Dall, 1884 [SYNONYM SPECIES 308619:CV67F nidx=null parent=42WGX]
 + Eulima (Leiostraca) hemphillii Dall, 1884 [SYNONYM SPECIES 308968:KSXWB nidx=null parent=42WGX]
Eurhynchium
 - Eurhynchium Schimp. [ACCEPTED GENUS 308619:CJ2ZY nidx=null]
 + Eurhynchium Schimp. [ACCEPTED GENUS 308968:9JK8N nidx=null]
Eurhynchium praelongum var. stokesii
 - Eurhynchium praelongum var. stokesii (Turner) Dixon [SYNONYM VARIETY 308619:9NFMP nidx=null parent=9LNJR]
 + Eurhynchium praelongum var. stokesii (Turner) Hobk. & Bosw. [SYNONYM VARIETY 308968:CW58R nidx=null parent=9LNJR]
Eurigaster postica
 - Eurigaster postica Walker, 1861 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3VKT nidx=null]
 + Eurigaster postica Walker, 1861 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JQZK nidx=null]
Eurigaster strigosa
 - Eurigaster strigosa Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3VKV nidx=null]
 + Eurigaster strigosa Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JQZQ nidx=null]
Eutettix phycitis
 - Eutettix phycitis Distant, 1908 [SYNONYM SPECIES 308619:CS5GT nidx=null parent=8RL3P]
 + Eutettix phycitis Distant, 1908 [SYNONYM SPECIES 308968:KSXRJ nidx=null parent=8RL3P]
Fidicina subguttata
 - Fidicina subguttata Walker, 1850 [SYNONYM SPECIES 308619:CLSVQ nidx=null parent=78C24]
 + Fidicina subguttata Walker, 1850 [SYNONYM SPECIES 308968:KSWRK nidx=null parent=78C24]
Fissurina quadrata var. rizzae
 - Fissurina quadrata var. rizzae Seguenza, 1862 [SYNONYM VARIETY 308619:857RC nidx=null parent=82HZS]
 + Fissurina quadrata var. rizzae Seguenza, 1862 [SYNONYM VARIETY 308968:5NYZN nidx=null parent=82HZS]
Forcipomyia (Synthyridomyia) calchaqui
 - Forcipomyia (Synthyridomyia) calchaqui Spinelli & Marino, 1997 [ACCEPTED SPECIES 308619:92S3F nidx=null]
 + Forcipomyia (Synthyridomyia) calchaqui Spinelli & Marino, 1997 [ACCEPTED SPECIES 308968:8C72S nidx=null]
Fungivora lateralis
 - Fungivora lateralis Santos Abreu, 1920 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3VRL nidx=null]
 + Fungivora lateralis Santos Abreu, 1920 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JR3V nidx=null]
Fusconaia barnesiana bigbyensis
 - Fusconaia barnesiana bigbyensis (I. Lea, 1841) [SYNONYM SUBSPECIES 308619:CQJYF nidx=null parent=4KBTS]
 + Fusconaia barnesiana bigbyensis (I. Lea, 1841) [SYNONYM SUBSPECIES 308968:KSYXT nidx=null parent=4KBTS]
Fusulinella velmae var. velmae
 - Fusulinella velmae var. velmae [SYNONYM VARIETY 308619:BPV6B nidx=null parent=82KTY]
 + Fusulinella velmae var. velmae Thompson, 1936 [SYNONYM VARIETY 308968:KSVPP nidx=null parent=82KTY]
Fusus (Fasciolaria) plexus
 - Fusus (Fasciolaria) plexus Wolff, 1897 [SYNONYM SPECIES 308619:CQDH5 nidx=null parent=874BS]
 + Fusus (Fasciolaria) plexus Wolff, 1897 [SYNONYM SPECIES 308968:KSVPX nidx=null parent=874BS]
Gaudryina angustata var. angustata
 - Gaudryina angustata var. angustata [SYNONYM VARIETY 308619:BPV6L nidx=null parent=82L3F]
 + Gaudryina angustata var. angustata Akimets, 1961 [SYNONYM VARIETY 308968:KSX3N nidx=null parent=82L3F]
Gaudryina superturkestanica var. superturkestanica
 - Gaudryina superturkestanica var. superturkestanica [SYNONYM VARIETY 308619:BPV6M nidx=null parent=BV599]
 + Gaudryina superturkestanica var. superturkestanica Bykova, 1959 [SYNONYM VARIETY 308968:KSX3W nidx=null parent=BV599]
Gleichenieae
 - Gleichenieae Gaudich. [SYNONYM UNRANKED 308619:BW52F nidx=null parent=B8VGT]
 + Gleichenieae Gaudich. [SYNONYM TRIBE 308968:KSVXG nidx=null parent=B8VGT]
Gleicheniineae
 - Gleicheniineae Bessey [SYNONYM UNRANKED 308619:BW5LZ nidx=null parent=B8VGT]
 + Gleicheniineae Bessey [SYNONYM SUBORDER 308968:KSVXH nidx=null parent=B8VGT]
Gleichenioideae
 - Gleichenioideae R.Br. [SYNONYM UNRANKED 308619:BV8PZ nidx=null parent=B8VGT]
 + Gleichenioideae R.Br. [SYNONYM SUBFAMILY 308968:KSVXJ nidx=null parent=B8VGT]
Globigerina pseudoeocaena var. pseudoeocaena
 - Globigerina pseudoeocaena var. pseudoeocaena [SYNONYM VARIETY 308619:BPV7F nidx=null parent=83P5Q]
 + Globigerina pseudoeocaena var. pseudoeocaena Subbotina, 1953 [SYNONYM VARIETY 308968:KSW5C nidx=null parent=83P5Q]
Globigerinoides subconglobatus var. subconglobatus
 - Globigerinoides subconglobatus var. subconglobatus [SYNONYM VARIETY 308619:BPV7G nidx=null parent=82MCB]
 + Globigerinoides subconglobatus var. subconglobatus Shutskaya, 1958 [SYNONYM VARIETY 308968:KSW5V nidx=null parent=82MCB]
Glomospiranella endothyroides var. endothyroides
 - Glomospiranella endothyroides var. endothyroides [SYNONYM VARIETY 308619:BPV7H nidx=null parent=83LVY]
 + Glomospiranella endothyroides var. endothyroides Dain, 1953 [SYNONYM VARIETY 308968:KSWMT nidx=null parent=83LVY]
Glycymeris (Grandaxinea) finlayi
 - Glycymeris (Grandaxinea) finlayi Laws, 1939 [SYNONYM SPECIES 308619:CV4Q7 nidx=null parent=59KFQ]
 + Glycymeris (Grandaxinea) finlayi Laws, 1939 [SYNONYM SPECIES 308968:KSWS8 nidx=null parent=59KFQ]
Gonapodasmius kovaljovae
 - Gonapodasmius kovaljovae Nikolaeva & Gaevskaya, 1985 [SYNONYM SPECIES 308619:848Z3 nidx=null parent=84869]
 + Gonapodasmius kovaljovae Nikolaeva & Gaevskaya, 1985 [SYNONYM SPECIES 308968:3GTVM nidx=null parent=35YSQ]
Gonatodes siamensis
 - Gonatodes siamensis Smith, 1930 [AMBIGUOUS_SYNONYM SPECIES 308619:CLVMQ nidx=null parent=WGKS]
 + Gonatodes siamensis Smith, 1930 [AMBIGUOUS_SYNONYM SPECIES 308968:KSXQ6 nidx=null parent=WGKS]
 + Gonatodes siamensis Smith, 1925 [AMBIGUOUS_SYNONYM SPECIES 308968:KSXQ7 nidx=null parent=5ZGLT]
Goniopteridinae
 - Goniopteridinae Ching [SYNONYM UNRANKED 308619:BW5K5 nidx=null parent=B8X4T]
 + Goniopteridinae Ching [SYNONYM SUBTRIBE 308968:KSXZ5 nidx=null parent=B8X4T]
Gorgonia (Litigorgia) adamsii
 - Gorgonia (Litigorgia) adamsii Verrill, 1868 [SYNONYM SPECIES 308619:CS6JD nidx=null parent=4BW4Z]
 + Gorgonia (Litigorgia) adamsii Verrill, 1868 [SYNONYM SPECIES 308968:KSY9C nidx=null parent=4BW4Z]
Grammitidaceae
 - Grammitidaceae Newman [SYNONYM UNRANKED 308619:B8WTR nidx=null parent=B8TXC]
 + Grammitidaceae Newman [SYNONYM FAMILY 308968:KSVQH nidx=null parent=B8TXC]
Grammitideae
 - Grammitideae C.Presl [SYNONYM UNRANKED 308619:BV8JH nidx=null parent=B8X3J]
 + Grammitideae C.Presl [SYNONYM TRIBE 308968:KSYHH nidx=null parent=B8X3J]
Grammitidinae
 - Grammitidinae Payer [SYNONYM UNRANKED 308619:BW5K7 nidx=null parent=B8X3J]
 + Grammitidinae Payer [SYNONYM SUBTRIBE 308968:KSYHJ nidx=null parent=B8X3J]
Grimmia conferta var. pruinosa
 - Grimmia conferta var. pruinosa (Wilson ex Schimp.) Braithw. [SYNONYM VARIETY 308619:9VYQF nidx=null parent=9MJC8]
 + Grimmia conferta var. pruinosa (Wilson ex Schimp.) Hobk. & Bosw. [SYNONYM VARIETY 308968:CW5ZC nidx=null parent=9MJC8]
Gymnogynoideae
 - Gymnogynoideae Li Bing Zhang & X.M.Zhou [SYNONYM UNRANKED 308619:CLTP7 nidx=null parent=B8VC6]
 + Gymnogynoideae Li Bing Zhang & X.M.Zhou [SYNONYM SUBFAMILY 308968:KSX2C nidx=null parent=B8VC6]
Gymnopteridinae
 - Gymnopteridinae Engl. [SYNONYM UNRANKED 308619:BW5J2 nidx=null parent=B8X36]
 + Gymnopteridinae Engl. [SYNONYM SUBTRIBE 308968:KSX35 nidx=null parent=B8X36]
Gyraulus (Gyraulus) trochiformis kleini
 - Gyraulus (Gyraulus) trochiformis kleini Gottschick & Wenz, 1916 [SYNONYM SUBSPECIES 308619:CQG4H nidx=null parent=3HYKJ]
 + Gyraulus (Gyraulus) trochiformis kleini Gottschick & Wenz, 1916 [SYNONYM SUBSPECIES 308968:KSXB3 nidx=null parent=3HYKJ]
Haasea faucium
 - Haasea faucium (Verhoeff, 1931) [ACCEPTED SPECIES 308619:3J3J5 nidx=null]
 + Haasea faucium (Verhoeff, 1931) [ACCEPTED SPECIES 308968:KSXGZ nidx=null]
Hadula (Calocestra) nupponenorum
 - Hadula (Calocestra) nupponenorum Hacker & Fibiger, 2002 [SYNONYM SPECIES 308619:BR5CN nidx=null parent=959L8]
 + Hadula (Calocestra) nupponenorum Hacker & Fibiger, 2002 [SYNONYM SPECIES 308968:95BJ6 nidx=null parent=959L8]
Haliclona (Rhizoniera) strongylata
 - Haliclona (Rhizoniera) strongylata (Lévi & Lévi, 1983) [ACCEPTED SPECIES 308619:6L9GD nidx=null]
 + Haliclona (Rhizoniera) strongylata [ACCEPTED SPECIES 308968:KSYBG nidx=null]
Haliomma
 - Haliomma [ACCEPTED GENUS 308619:4SS3 nidx=null]
 + Haliomma Ehrenberg, 1839 [ACCEPTED GENUS 308968:KSYDX nidx=null]
Haminaea
 - Haminaea Gray, 1847 [SYNONYM GENUS 308619:BGFR4 nidx=null parent=7P4RS]
 + Haminaea Leach, 1847 [SYNONYM GENUS 308968:KSYTX nidx=null parent=7P4RS]
Haplocladium microphyllum
 - Haplocladium microphyllum (Sw. ex Hedw.) Broth. [ACCEPTED SPECIES 308619:3JM6Y nidx=null]
 + Haplocladium microphyllum (Sw. ex Hedw.) Müll. Hal. [ACCEPTED SPECIES 308968:KSZ7H nidx=null]
Hardya signifera
 - Hardya signifera Then, 1897 [SYNONYM SPECIES 308619:8RKWY nidx=null parent=9K89Z]
 + Hardya signifera Then, 1897 [SYNONYM SPECIES 308968:KSZJZ nidx=null parent=9K89Z]
Hecalus lynchii
 - Hecalus lynchii Berg, 1879 [SYNONYM SPECIES 308619:CV4T9 nidx=null parent=6YW5J]
 + Hecalus lynchii Berg, 1879 [SYNONYM SPECIES 308968:KSWWD nidx=null parent=6YW5J]
Hedwigidium teres
 - Hedwigidium teres (Müll. Hal.) Paris [SYNONYM SPECIES 308619:9S7JF nidx=null parent=9MQGH]
 + Hedwigidium teres (Müll. Hal.) Müll. Hal. [SYNONYM SPECIES 308968:KSWYS nidx=null parent=9MQGH]
Heliactis viduata
 - Heliactis viduata [SYNONYM SPECIES 308619:3K53L nidx=null parent=7YW6M]
 + Heliactis viduata (Müller, 1776) [SYNONYM SPECIES 308968:KSX4Z nidx=null parent=7YW6M]
Helice latreilli
 - Helice latreilli (H. Milne Edwards, 1837) [SYNONYM SPECIES 308619:CS4QT nidx=null parent=3K69J]
 + Helice latreilli (H. Milne Edwards, 1837) [SYNONYM SPECIES 308968:KSX6T nidx=null parent=3K69J]
Helice leachi
 - Helice leachi Hess, 1865 [SYNONYM SPECIES 308619:CS4QS nidx=null parent=4NY2C]
 + Helice leachi Hess, 1865 [SYNONYM SPECIES 308968:KSX6S nidx=null parent=4NY2C]
Heliodiscus
 - Heliodiscus [ACCEPTED GENUS 308619:635NH nidx=null]
 + Heliodiscus Haeckel, 1862 [ACCEPTED GENUS 308968:DSH6J nidx=null]
Helomyza fasciata
 - Helomyza fasciata Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3VX6 nidx=null]
 + Helomyza fasciata Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JR6B nidx=null]
Helomyza robusta
 - Helomyza robusta Walker, 1858 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3VX7 nidx=null]
 + Helomyza robusta Walker, 1858 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JR6F nidx=null]
Hemionitideae
 - Hemionitideae Pfeiff. [SYNONYM UNRANKED 308619:BW5KP nidx=null parent=B8X36]
 + Hemionitideae Pfeiff. [SYNONYM TRIBE 308968:KSYQZ nidx=null parent=B8X36]
Hemipeltis
 - Hemipeltis Spinola, 1852 [SYNONYM GENUS 308619:8JL9L nidx=null parent=BYF8S]
 + Hemipeltis Spinola, 1852 [SYNONYM GENUS 308968:KSYRJ nidx=null parent=BYF8S]
Hemiteliinae
 - Hemiteliinae Pfeiff. [SYNONYM UNRANKED 308619:BW5KD nidx=null parent=B8V9T]
 + Hemiteliinae Pfeiff. [SYNONYM SUBTRIBE 308968:KSYXS nidx=null parent=B8V9T]
Hercostomus (Hercostomus) conglomeratus
 - Hercostomus (Hercostomus) conglomeratus Wei & Song, 2006 [SYNONYM SPECIES 308619:92SDT nidx=null parent=8CBDR]
 + Hercostomus (Hercostomus) conglomeratus Wei & Song, 2006 [SYNONYM SPECIES 308968:8CBB7 nidx=null parent=8CBDR]
Hercostomus (Hercostomus) cyphus
 - Hercostomus (Hercostomus) cyphus Wei & Song, 2006 [SYNONYM SPECIES 308619:8CBBQ nidx=null parent=8CBFL]
 + Hercostomus (Hercostomus) cyphus Wei & Song, 2006 [SYNONYM SPECIES 308968:92SDX nidx=null parent=8CBFL]
Hercostomus (Hercostomus) hilarosus
 - Hercostomus (Hercostomus) hilarosus Wei & Song, 2006 [SYNONYM SPECIES 308619:8CBD6 nidx=null parent=8CBDR]
 + Hercostomus (Hercostomus) hilarosus Wei & Song, 2006 [SYNONYM SPECIES 308968:92SF4 nidx=null parent=8CBDR]
Hesperodiaptomus kenai
 - Hesperodiaptomus kenai Wilson M.S., 1953 [ACCEPTED SPECIES 308619:3L5DS nidx=null]
 + Hesperodiaptomus kenai [Wilson M.S., 1953] [ACCEPTED SPECIES 308968:KSX7M nidx=null]
Heterohaasea lignivagum bigleri
 - Heterohaasea lignivagum bigleri (Verhoeff, 1914) [SYNONYM SUBSPECIES 308619:CV5N3 nidx=null parent=34QMM]
 + Heterohaasea lignivagum bigleri (Verhoeff, 1914) [SYNONYM SUBSPECIES 308968:KSXLB nidx=null parent=34QMM]
Heteroneura geomyzinus
 - Heteroneura geomyzinus Fallén, 1823 [SYNONYM SPECIES 308619:88CBN nidx=null parent=5ZD7Y]
 + Heteroneura geomyzinus Fallén, 1823 [SYNONYM SPECIES 308968:F7WTV nidx=null parent=5ZD7Y]
Heteronychia cataphygionis
 - Heteronychia cataphygionis Povolný, 1999 [SYNONYM SPECIES 308619:88ZML nidx=null parent=8DPVV]
 + Heteronychia cataphygionis Povolný, 1999 [SYNONYM SPECIES 308968:6M4C9 nidx=null parent=8DPVV]
Heterosporae
 - Heterosporae Asch. [SYNONYM UNRANKED 308619:BDC6R nidx=null parent=B8V7W]
 + Heterosporae Asch. [SYNONYM ORDER 308968:KSY3W nidx=null parent=B8V7W]
Hexacontium
 - Hexacontium [ACCEPTED GENUS 308619:4WXP nidx=null]
 + Hexacontium Haeckel, 1881 [ACCEPTED GENUS 308968:KSY75 nidx=null]
Hexangium affinum
 - Hexangium affinum Tubangui & Masiluñgan, 1944 [SYNONYM SPECIES 308619:849CF nidx=null parent=3LGLM]
 + Hexangium affinum Tubangui & Masiluñgan, 1944 [SYNONYM SPECIES 308968:6LTFN nidx=null parent=3LGLM]
Hexapyle
 - Hexapyle [ACCEPTED GENUS 308619:62V5S nidx=null]
 + Hexapyle Haeckel, 1881 [ACCEPTED GENUS 308968:KSY7X nidx=null]
Hieracium ziljevanum
 - Hieracium ziljevanum Oborný ex Murb. [SYNONYM SPECIES 308619:CKDL7 nidx=null parent=4HV3B]
 + Hieracium ziljevanum Oborný ex Murb. [SYNONYM SPECIES 308968:D29VX nidx=null parent=4HV3B]
Hipposideros commersonii
 - Hipposideros commersonii (É. Geoffroy Saint-Hilaire, 1813) [SYNONYM SPECIES 308619:CV87R nidx=null parent=5TJDY]
 + Hipposideros commersonii (É. Geoffroy Saint-Hilaire, 1813) [SYNONYM SPECIES 308968:KT264 nidx=null parent=5TJDY]
Huechys (Huechys) incarnata testacea
 - Huechys (Huechys) incarnata testacea (Fabricius, 1787) [SYNONYM SUBSPECIES 308619:CV7G4 nidx=null parent=9X9HC]
 + Huechys (Huechys) incarnata testacea (Fabricius, 1787) [SYNONYM SUBSPECIES 308968:KSZ7K nidx=null parent=9X9HC]
Huechys (Huechys) sanguinea aurantiaca
 - Huechys (Huechys) sanguinea aurantiaca Metcalf, 1963 [SYNONYM SUBSPECIES 308619:8JJJ9 nidx=null parent=B75YL]
 + Huechys (Huechys) sanguinea aurantiaca Distant, 1917 [SYNONYM SUBSPECIES 308968:KSZ7L nidx=null parent=B75YL]
Huechys sanguinea aurantiaca
 - Huechys sanguinea aurantiaca Kato, 1931 [SYNONYM SUBSPECIES 308619:8JJK6 nidx=null parent=B75YL]
 + Huechys sanguinea aurantiaca Distant, 1917 [SYNONYM SUBSPECIES 308968:KSZ7M nidx=null parent=B75YL]
Hyalopterus obscuris
 - Hyalopterus obscuris [SYNONYM SPECIES 308619:8R243 nidx=null parent=3MVCQ]
 + Hyalopterus obscuris (Theobald, 1923) [SYNONYM SPECIES 308968:KSZPL nidx=null parent=3MVCQ]
Hygrolejeunea matteola
 - Hygrolejeunea matteola (Spruce) Steph. [SYNONYM SPECIES 308619:9S8TQ nidx=null parent=3T3FY]
 + Hygrolejeunea matteola (Spruce) Paris [SYNONYM SPECIES 308968:KT36V nidx=null parent=3T3FY]
Hymedesmia (Stylopus) indivisus
 - Hymedesmia (Stylopus) indivisus (Topsent, 1928) [SYNONYM SPECIES 308619:CNYP6 nidx=null parent=6MPHY]
 + Hymedesmia (Stylopus) indivisus (Topsent, 1928) [SYNONYM SPECIES 308968:KT3SY nidx=null parent=6MPHY]
Hymenophylleae
 - Hymenophylleae Bory ex Gaudich. [SYNONYM UNRANKED 308619:BV8JY nidx=null parent=B8X3M]
 + Hymenophylleae Bory ex Gaudich. [SYNONYM TRIBE 308968:KT44F nidx=null parent=B8X3M]
Hymenophyllidae
 - Hymenophyllidae Schmakov [SYNONYM UNRANKED 308619:BW5KB nidx=null parent=B8V4J]
 + Hymenophyllidae Schmakov [SYNONYM SUBCLASS 308968:KT44G nidx=null parent=B8V4J]
Hymenophyllinae
 - Hymenophyllinae Fr. [SYNONYM UNRANKED 308619:BW5HR nidx=null parent=B8X3M]
 + Hymenophyllinae Fr. [SYNONYM SUBTRIBE 308968:KT44H nidx=null parent=B8X3M]
Hymenophyllineae
 - Hymenophyllineae Bessey [SYNONYM UNRANKED 308619:BW5LD nidx=null parent=B8X3M]
 + Hymenophyllineae Bessey [SYNONYM SUBORDER 308968:KT44J nidx=null parent=B8X3M]
Hymenophyllopsidaceae
 - Hymenophyllopsidaceae Pic.Serm. [SYNONYM UNRANKED 308619:B8WVF nidx=null parent=B8V9T]
 + Hymenophyllopsidaceae Pic.Serm. [SYNONYM FAMILY 308968:KT44L nidx=null parent=B8V9T]
Hypnum canariense
 - Hypnum canariense (Mitt.) A. Jaeger [AMBIGUOUS_SYNONYM SPECIES 308619:9MRRF nidx=null parent=3NT36]
 + Hypnum canariense (Mitt.) Hobk. & Bosw. [AMBIGUOUS_SYNONYM SPECIES 308968:CW5DG nidx=null parent=3NT36]
Hypnum exannulatum var. stenophyllum
 - Hypnum exannulatum var. stenophyllum (Schimp.) Tripp [SYNONYM VARIETY 308619:9VM6H nidx=null parent=9MH6S]
 + Hypnum exannulatum var. stenophyllum (Schimp.) Hobk. & Bosw. [SYNONYM VARIETY 308968:CW5LS nidx=null parent=7G5TW]
Hypnum teesdalei
 - Hypnum teesdalei Sm. [SYNONYM SPECIES 308619:9SCDB nidx=null parent=6WW4Y]
 + Hypnum teesdalei Turner [AMBIGUOUS_SYNONYM SPECIES 308968:KSYTM nidx=null parent=6WW4Y]
Hypnum uncinatum f. polare
 - Hypnum uncinatum f. polare (Renauld) Cardot [SYNONYM FORM 308619:9TZL5 nidx=null parent=79J2Y]
 + Hypnum uncinatum f. polare Renauld [SYNONYM FORM 308968:CW5JY nidx=null parent=79J2Y]
Hypoderma (Hypoderma) bovis
 - Hypoderma (Hypoderma) bovis (Linnaeus, 1758) [ACCEPTED SPECIES 308619:8CDYG nidx=null]
 + Hypoderma (Hypoderma) bovis (Linnaeus, 1758) [ACCEPTED SPECIES 308968:DS3PK nidx=null]
Hypoderma (Oedemagena) tarandi
 - Hypoderma (Oedemagena) tarandi (Linnaeus, 1758) [ACCEPTED SPECIES 308619:8CDYJ nidx=null]
 + Hypoderma (Oedemagena) tarandi (Linnaeus, 1758) [ACCEPTED SPECIES 308968:DS3PM nidx=null]
Hypoderridinae
 - Hypoderridinae Hook. [SYNONYM UNRANKED 308619:BW5M9 nidx=null parent=B8VCR]
 + Hypoderridinae Hook. [SYNONYM SUBTRIBE 308968:KSZ2Y nidx=null parent=B8VCR]
Hypolepidinae
 - Hypolepidinae Pfeiff. [SYNONYM UNRANKED 308619:BW5HQ nidx=null parent=BTVYT]
 + Hypolepidinae Pfeiff. [SYNONYM SUBTRIBE 308968:KSZ8D nidx=null parent=BTVYT]
Hypopterygium tahitense
 - Hypopterygium tahitense Ångstr. [SYNONYM SPECIES 308619:9LMQX nidx=null parent=9KCNC]
 + Hypopterygium tahitense Ångstr. [SYNONYM SPECIES 308968:KSZGM nidx=null parent=9KCNC]
Iassus (Iassus) variatus
 - Iassus (Iassus) variatus (Fallén, 1806) [SYNONYM SPECIES 308619:CSBGS nidx=null parent=8J86X]
 + Iassus (Iassus) variatus (Fallén, 1806) [SYNONYM SPECIES 308968:KT256 nidx=null parent=8J86X]
Idalia
 - Idalia Gray, 1847 [SYNONYM GENUS 308619:BG27D nidx=null parent=7NXH6]
 + Idalia Leach, 1847 [SYNONYM GENUS 308968:KT32R nidx=null parent=7NXH6]
Idotaea
 - Idotaea Dana, 1849 [SYNONYM GENUS 308619:BGGM8 nidx=null parent=7P6ZD]
 + Idotaea Fabricius, 1798 [SYNONYM GENUS 308968:KT37Y nidx=null parent=7P6ZD]
Ilyanthus (Mesacmaea) mitchellii
 - Ilyanthus (Mesacmaea) mitchellii (Gosse, 1853) [SYNONYM SPECIES 308619:CNYCR nidx=null parent=3ZXGF]
 + Ilyanthus (Mesacmaea) mitchellii (Gosse, 1853) [SYNONYM SPECIES 308968:KT3JM nidx=null parent=3ZXGF]
Intoshia
 - Intoshia [ACCEPTED GENUS 308619:54MX nidx=null]
 + Intoshia Giard, 1877 [ACCEPTED GENUS 308968:KT7L5 nidx=null]
Ioba leopardina
 - Ioba leopardina Sanborn & Villet, 2014 non Distant, 1881 [AMBIGUOUS_SYNONYM SPECIES 308619:8J6MJ nidx=null parent=3PTQ2]
 + Ioba leopardina Villiers, 1952 [AMBIGUOUS_SYNONYM SPECIES 308968:KT7NN nidx=null parent=3PTQ2]
Isoetariae
 - Isoetariae Koidz. [SYNONYM UNRANKED 308619:BDC75 nidx=null parent=B8V4D]
 + Isoetariae Koidz. [SYNONYM ORDER 308968:KSZQQ nidx=null parent=B8V4D]
Isoeteae
 - Isoeteae Barlinge [SYNONYM UNRANKED 308619:B8X5L nidx=null parent=B8V4D]
 + Isoeteae Barlinge [SYNONYM TRIBE 308968:KSZQR nidx=null parent=B8V4D]
Isoetidae
 - Isoetidae Reveal [SYNONYM UNRANKED 308619:BW4NX nidx=null parent=B8V4D]
 + Isoetidae Reveal [SYNONYM SUBCLASS 308968:KSZRS nidx=null parent=B8V4D]
Isoetineae
 - Isoetineae Engl. [SYNONYM UNRANKED 308619:BW5JK nidx=null parent=CKDNJ]
 + Isoetineae Engl. [SYNONYM SUBORDER 308968:KSZRT nidx=null parent=CKDNJ]
Isoetoideae
 - Isoetoideae A.Gray [SYNONYM UNRANKED 308619:BW5KJ nidx=null parent=CKDNJ]
 + Isoetoideae A.Gray [SYNONYM SUBFAMILY 308968:KSZRW nidx=null parent=CKDNJ]
Isoetophyta
 - Isoetophyta Doweld [SYNONYM UNRANKED 308619:BW4NP nidx=null parent=B8V4D]
 + Isoetophyta Doweld [SYNONYM PHYLUM 308968:KSZRX nidx=null parent=B8V4D]
Isoetophytina
 - Isoetophytina Doweld [SYNONYM UNRANKED 308619:BW4NS nidx=null parent=B8V4D]
 + Isoetophytina Doweld [SYNONYM SUBPHYLUM 308968:KSZRY nidx=null parent=B8V4D]
Isoetopsida
 - Isoetopsida Rolle [SYNONYM UNRANKED 308619:BW4FT nidx=null parent=B8V4D]
 + Isoetopsida Rolle [SYNONYM CLASS 308968:KSZRZ nidx=null parent=B8V4D]
Isolaboides kosswigi
 - Isolaboides kosswigi (Hincks, 1947) [SYNONYM SPECIES 308619:3Q9B6 nidx=null parent=6N9FV]
 + Isolaboides kosswigi (Burr, 1947) [SYNONYM SPECIES 308968:KSZT4 nidx=null parent=6N9FV]
Isoplastus formulosus
 - Isoplastus formulosus Skuse, 1889 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3W7T nidx=null]
 + Isoplastus formulosus Skuse, 1889 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JRHJ nidx=null]
Isoplastus paivai
 - Isoplastus paivai Kieffer, 1910 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3W7V nidx=null]
 + Isoplastus paivai Kieffer, 1910 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JRHS nidx=null]
Isopterygium borrerianum
 - Isopterygium borrerianum (Spruce ex Müll. Hal.) Lindb. [SYNONYM SPECIES 308619:9SCQT nidx=null parent=4PCYJ]
 + Isopterygium borrerianum (Spruce ex Müll. Hal.) H.A. Crum, Steere & L.E. Anderson [SYNONYM SPECIES 308968:DS5FT nidx=null parent=4PCYJ]
Isthmiophora hortensis
 - Isthmiophora hortensis (Asada, 1926) Kostadinova & Gibson, 2002 [ACCEPTED SPECIES 308619:8N8NN nidx=null]
 + Isthmiophora hortensis (Asada, 1926) Kostadinova & Gibson, 2002 [ACCEPTED SPECIES 308968:8M27X nidx=null]
Jamesoniinae
 - Jamesoniinae Pfeiff. [SYNONYM UNRANKED 308619:BW5KM nidx=null parent=BV8QP]
 + Jamesoniinae Pfeiff. [SYNONYM SUBTRIBE 308968:KT3JQ nidx=null parent=BV8QP]
Kantharella
 - Kantharella [ACCEPTED GENUS 308619:63893 nidx=null]
 + Kantharella Czaker, 1994 [ACCEPTED GENUS 308968:KT5B9 nidx=null]
Kantharellidae
 - Kantharellidae [ACCEPTED FAMILY 308619:BKG nidx=null]
 + Kantharellidae Czaker, 1994 [ACCEPTED FAMILY 308968:KT5BB nidx=null]
Karschielloidea
 - Karschielloidea Verhoeff, 1902 [SYNONYM SUPERFAMILY 308619:8MPBW nidx=null parent=CSGL4]
 + Karschielloidea Verhoeff, 1902 [SYNONYM SUBFAMILY 308968:KT5CM nidx=null parent=CSGL4]
Lacerta muralis fusca
 - Lacerta muralis fusca Bedriaga, 1886 [AMBIGUOUS_SYNONYM INFRASPECIFIC_NAME 308619:CSBNR nidx=null parent=3462P]
 + Lacerta muralis fusca Bedriaga, 1886 [AMBIGUOUS_SYNONYM INFRASPECIFIC_NAME 308968:KT2C3 nidx=null parent=3462P]
 + Lacerta muralis fusca Bedriaga, 1882 [AMBIGUOUS_SYNONYM INFRASPECIFIC_NAME 308968:KT2C4 nidx=null parent=4KPJ2]
 + Lacerta muralis fusca Werner, 1899 [AMBIGUOUS_SYNONYM INFRASPECIFIC_NAME 308968:KT2C5 nidx=null parent=4KPHL]
 + Lacerta muralis fusca Werner, 1891 [AMBIGUOUS_SYNONYM INFRASPECIFIC_NAME 308968:KT2C6 nidx=null parent=4KPJ3]
Lamiopsis temminckii
 - Lamiopsis temminckii () non Müller & Henle, 1839 [MISAPPLIED SPECIES 308619:CV9MQ nidx=null parent=3S26Z]
 + Lamiopsis temminckii () [MISAPPLIED SPECIES 308968:KT4DL nidx=null parent=3S26Z]
Lampria (Lampria) pusilla
 - Lampria (Lampria) pusilla (Macquart, 1838) [ACCEPTED SPECIES 308619:8CG7Y nidx=null]
 + Lampria (Lampria) pusilla (Macquart, 1838) [ACCEPTED SPECIES 308968:3S3WS nidx=null]
Lamprocyclas
 - Lamprocyclas [ACCEPTED GENUS 308619:62XGX nidx=null]
 + Lamprocyclas Haeckel, 1881 [ACCEPTED GENUS 308968:KT4HD nidx=null]
Lamprocyrtis
 - Lamprocyrtis [ACCEPTED GENUS 308619:639H9 nidx=null]
 + Lamprocyrtis Kling, 1973 [ACCEPTED GENUS 308968:KT4HF nidx=null]
Larcopyle
 - Larcopyle [ACCEPTED GENUS 308619:639D9 nidx=null]
 + Larcopyle Dreyer, 1889 [ACCEPTED GENUS 308968:KT53W nidx=null]
Larcospira
 - Larcospira [ACCEPTED GENUS 308619:62XCW nidx=null]
 + Larcospira Haeckel, 1887 [ACCEPTED GENUS 308968:KT53Y nidx=null]
Latalus (Errastunus)
 - Latalus (Errastunus) Ribaut, 1946 [SYNONYM SUBGENUS 308619:CTN8D nidx=null parent=8RGYZ]
 + Latalus (Errastunus) Ribaut, 1946 [SYNONYM SUBGENUS 308968:KSDP5 nidx=null parent=8RGYZ]
Lavidaviridae
 - Lavidaviridae [ACCEPTED FAMILY 308619:BTK nidx=null]
 + Lavidaviridae [SYNONYM ORDER 308968:KSZP8 nidx=null parent=KSZP7]
Lebouria choerodonis
 - Lebouria choerodonis Yamaguti, 1934 [SYNONYM SPECIES 308619:849MW nidx=null parent=69Z35]
 + Lebouria choerodonis Yamaguti, 1934 [SYNONYM SPECIES 308968:3SQWW nidx=null parent=69Z35]
Lecithoporus macrolaimus
 - Lecithoporus macrolaimus (von Linstow, 1894) Mehra, 1935 [ACCEPTED SPECIES 308619:CJNFG nidx=null]
 + Lecithoporus macrolaimus (von Linstow, 1894) Skarbilovich, 1948 [SYNONYM SPECIES 308968:KT35Y nidx=null parent=DJ44B]
Leda (Adrana) exoptata
 - Leda (Adrana) exoptata Pilsbry & H. N. Lowe, 1932 [SYNONYM SPECIES 308619:CV8XL nidx=null parent=655J4]
 + Leda (Adrana) exoptata Pilsbry & H. N. Lowe, 1932 [SYNONYM SPECIES 308968:KT36F nidx=null parent=655J4]
Leiomitra julacea
 - Leiomitra julacea Hatcher ex J.J. Engel [SYNONYM SPECIES 308619:9KDXW nidx=null parent=RNVK]
 + Leiomitra julacea (Hatcher) J.J. Engel [SYNONYM SPECIES 308968:CW443 nidx=null parent=RNVK]
Lejeunea africana
 - Lejeunea africana (Steph.) Prantl [SYNONYM SPECIES 308619:9W7K2 nidx=null parent=73H2Q]
 + Lejeunea africana (Steph.) Steph. [SYNONYM SPECIES 308968:KT3Y2 nidx=null parent=73H2Q]
Lejeunea isocalycina
 - Lejeunea isocalycina (Nees) Steph. [SYNONYM SPECIES 308619:9LQ9Y nidx=null parent=3T3RP]
 + Lejeunea isocalycina (Nees) Prantl [SYNONYM SPECIES 308968:KT3YR nidx=null parent=3T3RP]
Lembophyllum microvagum
 - Lembophyllum microvagum (Müll. Hal. ex Beckett) Beckett [SYNONYM SPECIES 308619:9SFVR nidx=null parent=3DTPV]
 + Lembophyllum microvagum (Müll. Hal. ex Beckett) Paris [SYNONYM SPECIES 308968:CW5DW nidx=null parent=3DTPV]
Lenticulina (Lenticulina) darbyellaeformis var. darbyellaeformis
 - Lenticulina (Lenticulina) darbyellaeformis var. darbyellaeformis [SYNONYM VARIETY 308619:BPXJ3 nidx=null parent=82THZ]
 + Lenticulina (Lenticulina) darbyellaeformis var. darbyellaeformis Gerke & Sharovskaya, 1961 [SYNONYM VARIETY 308968:KT48C nidx=null parent=82THZ]
Lepidocyclina insulaenatalis var. insulaenatalis
 - †Lepidocyclina insulaenatalis var. insulaenatalis [ACCEPTED VARIETY 308619:BPXLC nidx=null]
 + Lepidocyclina insulaenatalis var. insulaenatalis Nuttall, 1926 [ACCEPTED VARIETY 308968:KT4V7 nidx=null]
Leptis inutilis
 - Leptis inutilis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3WDS nidx=null]
 + Leptis inutilis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JRMR nidx=null]
Leptoconops (Leptoconops) bezzii
 - Leptoconops (Leptoconops) bezzii (Noè, 1905) [ACCEPTED SPECIES 308619:8CHVS nidx=null]
 + Leptoconops (Leptoconops) bezzii (Noè, 1905) [ACCEPTED SPECIES 308968:3TMJP nidx=null]
Leptoconops (Leptoconops) irritans
 - Leptoconops (Leptoconops) irritans (Noè, 1905) [ACCEPTED SPECIES 308619:8CHWR nidx=null]
 + Leptoconops (Leptoconops) irritans (Noè, 1905) [ACCEPTED SPECIES 308968:3TMKZ nidx=null]
Leptodontium pumilum
 - Leptodontium pumilum (Müll. Hal.) Kindb. [SYNONYM SPECIES 308619:9SGK5 nidx=null parent=3TNW8]
 + Leptodontium pumilum (Müll. Hal.) Müll. Hal. [SYNONYM SPECIES 308968:KT5S8 nidx=null parent=3TNW8]
Leptodontium repens
 - Leptodontium repens Kindb. [ACCEPTED SPECIES 308619:3TNW9 nidx=null]
 + Leptodontium repens Müll. Hal. [ACCEPTED SPECIES 308968:KT5S9 nidx=null]
Leptogrammeae
 - Leptogrammeae Tod. [SYNONYM UNRANKED 308619:BW5J4 nidx=null parent=B8X4T]
 + Leptogrammeae Tod. [SYNONYM TRIBE 308968:KT5VJ nidx=null parent=B8X4T]
Leptohymenium julaceum
 - Leptohymenium julaceum (Schwägr.) Hampe [AMBIGUOUS_SYNONYM SPECIES 308619:9VR9Q nidx=null parent=3BDT4]
 + Leptohymenium julaceum (Schwägr.) Bruch & Schimp. [AMBIGUOUS_SYNONYM SPECIES 308968:KT5XK nidx=null parent=3BDT4]
Leskea myosuroides
 - Leskea myosuroides (Brid.) Ångstr. [AMBIGUOUS_SYNONYM SPECIES 308619:9SH57 nidx=null parent=9N253]
 + Leskea myosuroides Fr. [AMBIGUOUS_SYNONYM SPECIES 308968:KT28Z nidx=null parent=9N253]
Leucetta haeckeliana
 - Leucetta haeckeliana Poléjaeff, 1883 [SYNONYM SPECIES 308619:BBRZM nidx=null parent=B8RP9]
 + Leucetta haeckeliana Poléjaeff, 1883 [SYNONYM SPECIES 308968:723LB nidx=null parent=B8RP9]
Leucoloma dichotomum
 - Leucoloma dichotomum (P. Beauv.) Renauld [SYNONYM SPECIES 308619:9SHJQ nidx=null parent=9L9WM]
 + Leucoloma dichotomum (P. Beauv.) Müll. Hal. [SYNONYM SPECIES 308968:KT398 nidx=null parent=9L9WM]
Leucoloma drepanocladium
 - Leucoloma drepanocladium (Müll. Hal.) Kindb. [SYNONYM SPECIES 308619:9SHJS nidx=null parent=9WCQP]
 + Leucoloma drepanocladium (Müll. Hal.) Müll. Hal. [SYNONYM SPECIES 308968:KT399 nidx=null parent=9WCQP]
Leucozona (Ischyrosyrphus) laternaria
 - Leucozona (Ischyrosyrphus) laternaria (Müller, 1776) [ACCEPTED SPECIES 308619:8CJS8 nidx=null]
 + Leucozona (Ischyrosyrphus) laternaria (Müller, 1776) [ACCEPTED SPECIES 308968:72834 nidx=null]
Leurognathus marmoratus aureatus
 - Leurognathus marmoratus aureatus Martof, 1956 [SYNONYM SUBSPECIES 308619:CV9BL nidx=null parent=6CNY6]
 + Leurognathus marmoratus aureatus Martof, 1956 [SYNONYM SUBSPECIES 308968:KT3LN nidx=null parent=6CNY6]
Levigata
 - Levigata Cao, 2014 [SYNONYM GENUS 308619:CNYTL nidx=null parent=BYGVS]
 + Levigata Cao, 2014 [SYNONYM GENUS 308968:KT3Y5 nidx=null parent=BYGVS]
Leyogonimus polyoon
 - Leyogonimus polyoon (von Linstow, 1887) Ginetsinskaya, 1948 [ACCEPTED SPECIES 308619:C2DTW nidx=null]
 + Leyogonimus polyoon (von Linstow, 1887) Ginetsinskaya n Skarbilovich, 1948 [ACCEPTED SPECIES 308968:KT3YY nidx=null]
Limatulum limatulum
 - Limatulum limatulum (Braun, 1900) [ACCEPTED SPECIES 308619:CM378 nidx=null]
 + Limatulum limatulum (Braun, 1900) Travassos, 1921 [ACCEPTED SPECIES 308968:DDG6S nidx=null]
Limnobia (Eriocera) pyrrhochroma
 - Limnobia (Eriocera) pyrrhochroma Walker, 1856 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQMW7 nidx=null]
 + Limnobia (Eriocera) pyrrhochroma Walker, 1856 [PROVISIONALLY_ACCEPTED SPECIES 308968:KT53N nidx=null]
Limosina (Limosina) vittata
 - Limosina (Limosina) vittata (Richards, 1966) [ACCEPTED SPECIES 308619:8CMCD nidx=null]
 + Limosina (Limosina) vittata (Richards, 1966) [ACCEPTED SPECIES 308968:6QF7M nidx=null]
Limotettix (Limotettix) striola
 - Limotettix (Limotettix) striola (Fallén, 1806) [ACCEPTED SPECIES 308619:72F9B nidx=null]
 + Limotettix (Limotettix) striola (Fallén, 1806) [ACCEPTED SPECIES 308968:KT5FQ nidx=null]
Lindsaeeae
 - Lindsaeeae Hook. [SYNONYM UNRANKED 308619:BW5KZ nidx=null parent=BV8KC]
 + Lindsaeeae Hook. [SYNONYM TRIBE 308968:KT5PD nidx=null parent=BV8KC]
Lindsaeinae
 - Lindsaeinae Payer [SYNONYM UNRANKED 308619:BVG6F nidx=null parent=BV8KC]
 + Lindsaeinae Payer [SYNONYM SUBTRIBE 308968:KT5PF nidx=null parent=BV8KC]
Lindsaeoideae
 - Lindsaeoideae Crabbe, Jermy & Mickel [SYNONYM UNRANKED 308619:B8X3R nidx=null parent=BV8KC]
 + Lindsaeoideae Crabbe, Jermy & Mickel [SYNONYM SUBFAMILY 308968:KT5PG nidx=null parent=BV8KC]
Lineus purpureus
 - Lineus purpureus [SYNONYM SPECIES 308619:72HLL nidx=null parent=3V2RM]
 + Lineus purpureus (Johnston, 1837) [SYNONYM SPECIES 308968:KT5S5 nidx=null parent=3V2RM]
Linnaemya retroflexa
 - Linnaemya retroflexa Pandellé, 1895 [SYNONYM SPECIES 308619:8988X nidx=null parent=8CMJY]
 + Linnaemya retroflexa Pandellé, 1895 [SYNONYM SPECIES 308968:72HNH nidx=null parent=8CMJY]
Lipaphis dusmeti
 - Lipaphis dusmeti [SYNONYM SPECIES 308619:8QZ8F nidx=null parent=68RH8]
 + Lipaphis dusmeti (Gómez-Menor, 1950) [SYNONYM SPECIES 308968:KT67M nidx=null parent=68RH8]
Litheliidae
 - Litheliidae [ACCEPTED FAMILY 308619:624XJ nidx=null]
 + Litheliidae Haeckel, 1862 [ACCEPTED FAMILY 308968:KT2C9 nidx=null]
Lithelius
 - Lithelius [ACCEPTED GENUS 308619:5FL2 nidx=null]
 + Lithelius Haeckel, 1862 [ACCEPTED GENUS 308968:KT2CB nidx=null]
Lithostrobus
 - Lithostrobus [ACCEPTED GENUS 308619:5FPF nidx=null]
 + Lithostrobus Bütschli, 1882 [ACCEPTED GENUS 308968:KT33B nidx=null]
Lomarieae
 - Lomarieae Hance [SYNONYM UNRANKED 308619:BW5HT nidx=null parent=BV8PB]
 + Lomarieae Hance [SYNONYM TRIBE 308968:KT4C2 nidx=null parent=BV8PB]
Lomarioideae
 - Lomarioideae Hook. [SYNONYM UNRANKED 308619:BW5LG nidx=null parent=BV8PB]
 + Lomarioideae Hook. [SYNONYM SUBFAMILY 308968:KT4C6 nidx=null parent=BV8PB]
Lonchitideae
 - Lonchitideae Kuhn [SYNONYM UNRANKED 308619:BW52G nidx=null parent=B8WW5]
 + Lonchitideae Kuhn [SYNONYM TRIBE 308968:KT4FS nidx=null parent=B8WW5]
Lonchitidinae
 - Lonchitidinae Pfeiff. [SYNONYM UNRANKED 308619:BW5JX nidx=null parent=B8WW5]
 + Lonchitidinae Pfeiff. [SYNONYM SUBTRIBE 308968:KT4FT nidx=null parent=B8WW5]
Lophosoriaceae
 - Lophosoriaceae Pic.Serm. [SYNONYM UNRANKED 308619:CKH3P nidx=null parent=B8V9Y]
 + Lophosoriaceae Pic.Serm. [SYNONYM FAMILY 308968:KT522 nidx=null parent=B8V9Y]
Lophospyris
 - Lophospyris [ACCEPTED GENUS 308619:5GPG nidx=null]
 + Lophospyris Haeckel, 1881 [ACCEPTED GENUS 308968:KT524 nidx=null]
Loxogrammaceae
 - Loxogrammaceae Ching ex Pic.Serm. [SYNONYM UNRANKED 308619:CSGFY nidx=null parent=B8TXC]
 - Loxogrammaceae Ching ex Pic.Serm. [SYNONYM UNRANKED 308619:CVBJG nidx=null parent=B8X3T]
 + Loxogrammaceae Ching ex Pic.Serm. [SYNONYM FAMILY 308968:KT5BK nidx=null parent=B8X3T]
 + Loxogrammaceae Ching ex Pic.Serm. [SYNONYM FAMILY 308968:KT5BL nidx=null parent=B8TXC]
Loxogrammeae
 - Loxogrammeae R.M.Tryon & A.F.Tryon [SYNONYM UNRANKED 308619:BV8RQ nidx=null parent=B8X3T]
 + Loxogrammeae R.M.Tryon & A.F.Tryon [SYNONYM TRIBE 308968:KT5BM nidx=null parent=B8X3T]
Lucilia abdominalis
 - Lucilia abdominalis Séguy, 1934 [SYNONYM SPECIES 308619:89973 nidx=null parent=3WBYW]
 + Lucilia abdominalis Séguy, 1934 [SYNONYM SPECIES 308968:3WBQJ nidx=null parent=3WBYW]
Lucilia rectinevris
 - Lucilia rectinevris Macquart, 1855 [AMBIGUOUS_SYNONYM SPECIES 308619:CQN9P nidx=null parent=3KS6G]
 + Lucilia rectinevris Macquart, 1855 [AMBIGUOUS_SYNONYM SPECIES 308968:8CNJ7 nidx=null parent=3KS6G]
Lucina (Codakia) quadrata
 - Lucina (Codakia) quadrata Angas, 1877 [SYNONYM SPECIES 308619:8KSQW nidx=null parent=C76JT]
 + Lucina (Codakia) quadrata Angas, 1877 [SYNONYM SPECIES 308968:3WCDK nidx=null parent=C76JT]
Lycopodieae
 - Lycopodieae Duby [SYNONYM UNRANKED 308619:BW5KR nidx=null parent=BVBCX]
 + Lycopodieae Duby [SYNONYM TRIBE 308968:KT6CJ nidx=null parent=BVBCX]
Lycopodiidae
 - Lycopodiidae Bek. [SYNONYM UNRANKED 308619:CKJ35 nidx=null parent=B8V4F]
 + Lycopodiidae Bek. [SYNONYM SUBCLASS 308968:KT6CS nidx=null parent=B8V4F]
Lycopodiobiotina
 - Lycopodiobiotina Doweld [SYNONYM UNRANKED 308619:BW4Q7 nidx=null parent=B8V4F]
 + Lycopodiobiotina Doweld [SYNONYM ORDER 308968:KT6CT nidx=null parent=B8V4F]
Lycopodioidoideae
 - Lycopodioidoideae Li Bing Zhang & X.M.Zhou [SYNONYM UNRANKED 308619:CM5L7 nidx=null parent=B8VC6]
 + Lycopodioidoideae Li Bing Zhang & X.M.Zhou [SYNONYM SUBFAMILY 308968:KT6D5 nidx=null parent=B8VC6]
Lycopodiophyta
 - Lycopodiophyta D.H.Scott [SYNONYM UNRANKED 308619:CKJ3G nidx=null parent=B8V4F]
 + Lycopodiophyta D.H.Scott [SYNONYM PHYLUM 308968:KT6D6 nidx=null parent=B8V4F]
Lycopodiophytina
 - Lycopodiophytina Tippo ex Reveal [SYNONYM UNRANKED 308619:BV846 nidx=null parent=B8V4F]
 + Lycopodiophytina Tippo ex Reveal [SYNONYM SUBPHYLUM 308968:KT6D7 nidx=null parent=B8V4F]
Lycopodiopsida
 - Lycopodiopsida Bartl. [SYNONYM UNRANKED 308619:CKDV2 nidx=null parent=B8V4F]
 + Lycopodiopsida Bartl. [SYNONYM CLASS 308968:KSZXH nidx=null parent=B8V4F]
Lycoriella (Lycoriella) subterranea
 - Lycoriella (Lycoriella) subterranea (Märkel, 1844) [ACCEPTED SPECIES 308619:8CP3H nidx=null]
 + Lycoriella (Lycoriella) subterranea (Märkel, 1844) [ACCEPTED SPECIES 308968:6R3CQ nidx=null]
Lygodieae
 - Lygodieae Le Maout & Decne. [SYNONYM UNRANKED 308619:BW4PT nidx=null parent=B8VBG]
 + Lygodieae Le Maout & Decne. [SYNONYM TRIBE 308968:KT3H3 nidx=null parent=B8VBG]
Lygosoma (Siaphos) burgeoni
 - Lygosoma (Siaphos) burgeoni de Witte, 1933 [SYNONYM SPECIES 308619:8H67M nidx=null parent=4C9F8]
 + Lygosoma (Siaphos) burgeoni de Witte, 1933 [SYNONYM SPECIES 308968:72R7L nidx=null parent=4C9F8]
Lyristinae
 - Lyristinae Menor y Ortega, 1957 [SYNONYM SUBTRIBE 308619:8RGF8 nidx=null parent=B7VNF]
 + Lyristinae Gómez-Menor, 1957 [SYNONYM SUBTRIBE 308968:KT3ZS nidx=null parent=B7VNF]
Lyristini
 - Lyristini Menor y Ortega, 1957 [SYNONYM SUBTRIBE 308619:8RGF9 nidx=null parent=B7VNF]
 + Lyristini Gómez-Menor, 1957 [SYNONYM SUBTRIBE 308968:KT3ZT nidx=null parent=B7VNF]
Machimus (Machimus) rusticus
 - Machimus (Machimus) rusticus (Meigen, 1820) [ACCEPTED SPECIES 308619:8CPDW nidx=null]
 + Machimus (Machimus) rusticus (Meigen, 1820) [ACCEPTED SPECIES 308968:3WZFZ nidx=null]
Machimus (Machimus) setiventris
 - Machimus (Machimus) setiventris Engel, 1928 [ACCEPTED SPECIES 308619:CV9ZT nidx=null]
 + Machimus (Machimus) setiventris Engel, 1928 [ACCEPTED SPECIES 308968:KT4T5 nidx=null]
Macrosiphum cerealis
 - Macrosiphum cerealis [SYNONYM SPECIES 308619:8PDHZ nidx=null parent=4XT9C]
 + Macrosiphum cerealis [SYNONYM SPECIES 308968:733QM nidx=null parent=4XT9C]
Macrosteles (Macrosteles) alpinus
 - Macrosteles (Macrosteles) alpinus (Zetterstedt, 1828) [SYNONYM SPECIES 308619:CSGS4 nidx=null parent=9KG7H]
 + Macrosteles (Macrosteles) alpinus (Zetterstedt, 1828) [SYNONYM SPECIES 308968:8JW7J nidx=null parent=9KG7H]
Macrosteles (Macrosteles) fieberi
 - Macrosteles (Macrosteles) fieberi (Edwards, 1889) [SYNONYM SPECIES 308619:CH6PK nidx=null parent=BHXK3]
 + Macrosteles (Macrosteles) fieberi (Edwards, 1889) [SYNONYM SPECIES 308968:8JW8M nidx=null parent=BHXK3]
Macrosteles (Macrosteles) frontalis
 - Macrosteles (Macrosteles) frontalis (Scott, 1875) [SYNONYM SPECIES 308619:CKHHF nidx=null parent=8JW8S]
 + Macrosteles (Macrosteles) frontalis (Scott, 1875) [SYNONYM SPECIES 308968:8JW8R nidx=null parent=8JW8S]
Macrosteles (Macrosteles) lineatifrons
 - Macrosteles (Macrosteles) lineatifrons (Stål, 1858) [SYNONYM SPECIES 308619:8JW9J nidx=null parent=8JW9H]
 + Macrosteles (Macrosteles) lineatifrons (Stål, 1858) [SYNONYM SPECIES 308968:KT5KG nidx=null parent=8JW9H]
Macrosteles (Macrosteles) obsoletus
 - Macrosteles (Macrosteles) obsoletus (Dorst, 1931) [SYNONYM SPECIES 308619:8JW9T nidx=null parent=8JW9S]
 + Macrosteles (Macrosteles) obsoletus (Dorst, 1931) [SYNONYM SPECIES 308968:KT5KH nidx=null parent=8JW9S]
Macrosteles (Macrosteles) quadrilineatus
 - Macrosteles (Macrosteles) quadrilineatus (Forbes, 1885) [SYNONYM SPECIES 308619:CM4BQ nidx=null parent=8JWBD]
 + Macrosteles (Macrosteles) quadrilineatus (Forbes, 1885) [SYNONYM SPECIES 308968:8JWBC nidx=null parent=8JWBD]
Macrosteles (Macrosteles) sexnotatus
 - Macrosteles (Macrosteles) sexnotatus (Fallén, 1806) [SYNONYM SPECIES 308619:CP2C3 nidx=null parent=9KG8J]
 + Macrosteles (Macrosteles) sexnotatus (Fallén, 1806) [SYNONYM SPECIES 308968:KT5KL nidx=null parent=9KG8J]
Malthopsis luteus
 - Malthopsis luteus () non Alcock, 1891 [MISAPPLIED SPECIES 308619:CVCPH nidx=null parent=3XQT7]
 + Malthopsis luteus () [MISAPPLIED SPECIES 308968:KT6NB nidx=null parent=3XQT7]
Mangilia (Clathromangilia) rhyssa
 - Mangilia (Clathromangilia) rhyssa Dall, 1919 [SYNONYM SPECIES 308619:CVD46 nidx=null parent=VT2D]
 + Mangilia (Clathromangilia) rhyssa Dall, 1919 [SYNONYM SPECIES 308968:KT6Y8 nidx=null parent=VT2D]
Mangilia (Glyphostoma) aguadillana
 - Mangilia (Glyphostoma) aguadillana Dall & C. T. Simpson, 1901 [SYNONYM SPECIES 308619:CSJJY nidx=null parent=3V66V]
 + Mangilia (Glyphostoma) aguadillana Dall & C. T. Simpson, 1901 [SYNONYM SPECIES 308968:KT6YB nidx=null parent=3V66V]
Marattieae
 - Marattieae Bory [SYNONYM UNRANKED 308619:BW5JH nidx=null parent=B8VFL]
 + Marattieae Bory [SYNONYM TRIBE 308968:KT7DV nidx=null parent=B8VFL]
Marattiidae
 - Marattiidae Klinge [SYNONYM UNRANKED 308619:CKJVG nidx=null parent=B8VFL]
 + Marattiidae Klinge [SYNONYM SUBCLASS 308968:KT7DW nidx=null parent=B8VFL]
Marattioideae
 - Marattioideae C.Presl [SYNONYM UNRANKED 308619:BW5M6 nidx=null parent=B8VGX]
 + Marattioideae C.Presl [SYNONYM SUBFAMILY 308968:KT7DX nidx=null parent=B8VGX]
Marattiophyta
 - Marattiophyta Heintze [SYNONYM UNRANKED 308619:BW4NQ nidx=null parent=B8VFL]
 + Marattiophyta Heintze [SYNONYM PHYLUM 308968:KT7DY nidx=null parent=B8VFL]
Margarites
 - Margarites J. E. Gray, 1847 [ACCEPTED GENUS 308619:7P8FQ nidx=null]
 + Margarites Leach, 1847 [ACCEPTED GENUS 308968:KT4WT nidx=null]
Margarites diaphana
 - Margarites diaphana J. E. Gray, 1847 [SYNONYM SPECIES 308619:3Y3ZX nidx=null parent=3Y42B]
 + Margarites diaphana Leach, 1847 [SYNONYM SPECIES 308968:KT4X4 nidx=null parent=3Y42B]
Marginella (Glabella) aureocincta
 - Marginella (Glabella) aureocincta Stearns, 1872 [SYNONYM SPECIES 308619:CSFCG nidx=null parent=34TZK]
 + Marginella (Glabella) aureocincta Stearns, 1872 [SYNONYM SPECIES 308968:KT4ZD nidx=null parent=34TZK]
Marsileeae
 - Marsileeae Duby [SYNONYM UNRANKED 308619:BW5L6 nidx=null parent=B8VBH]
 + Marsileeae Duby [SYNONYM TRIBE 308968:KT5CG nidx=null parent=B8VBH]
Marsileidae
 - Marsileidae Doweld [SYNONYM UNRANKED 308619:BW529 nidx=null parent=B8V7S]
 + Marsileidae Doweld [SYNONYM SUBCLASS 308968:KT5CH nidx=null parent=B8V7S]
Marsileineae
 - Marsileineae Wettst. [SYNONYM UNRANKED 308619:BW5HW nidx=null parent=B8V7S]
 + Marsileineae Wettst. [SYNONYM SUBORDER 308968:KT5CJ nidx=null parent=B8V7S]
Marsupella emarginata var. pearsonii
 - Marsupella emarginata var. pearsonii (Schiffn. ex Macvicar) Jørg. [SYNONYM VARIETY 308619:9NGL2 nidx=null parent=3Y9P5]
 + Marsupella emarginata var. pearsonii (Schiffn. ex Macvicar) Husn. [SYNONYM VARIETY 308968:KT5CP nidx=null parent=3Y9P5]
Mathilda scalaris
 - Mathilda scalaris (Kuroda & Habe, 1971) [ACCEPTED SPECIES 308619:8V8LB nidx=null]
 + Mathilda scalaris (Kuroda & T. Habe, 1971) [ACCEPTED SPECIES 308968:736P8 nidx=null]
Matonieae
 - Matonieae T.Moore [SYNONYM UNRANKED 308619:BW5LF nidx=null parent=B8WWJ]
 + Matonieae T.Moore [SYNONYM TRIBE 308968:KT63H nidx=null parent=B8WWJ]
Mecosoreae
 - Mecosoreae Klotzsch [SYNONYM UNRANKED 308619:BW5LT nidx=null parent=BDJ47]
 + Mecosoreae Klotzsch [SYNONYM TRIBE 308968:KT6CN nidx=null parent=BDJ47]
Megastomella kleinpelli var. kleinpelli
 - Megastomella kleinpelli var. kleinpelli [SYNONYM VARIETY 308619:BPZBR nidx=null parent=82XYD]
 + Megastomella kleinpelli var. kleinpelli Arnal, 1984 [SYNONYM VARIETY 308968:KT7QC nidx=null parent=82XYD]
Megistocera (Eriocera) verticalis
 - Megistocera (Eriocera) verticalis Wiedemann, 1828 [PROVISIONALLY_ACCEPTED SPECIES 308619:CSKRT nidx=null]
 + Megistocera (Eriocera) verticalis Wiedemann, 1828 [PROVISIONALLY_ACCEPTED SPECIES 308968:KT7RX nidx=null]
Mehratrema militaris
 - Mehratrema militaris Dutta, 1995 [SYNONYM SPECIES 308619:849ZZ nidx=null parent=446P6]
 + Mehratrema militaris Dutta, 1995 [SYNONYM SPECIES 308968:3Z2PH nidx=null parent=446P6]
Melampsalta angusta
 - Melampsalta angusta (Sanborn & Villet, 2014) non Walker, 1850 [SYNONYM SPECIES 308619:B7B6X nidx=null parent=3R7KX]
 + Melampsalta angusta (Goding & Froggatt, 1904) [SYNONYM SPECIES 308968:KT7Y9 nidx=null parent=455GB]
Melampsalta cruentata flavescens
 - Melampsalta cruentata flavescens Hutton, 1898 [SYNONYM SUBSPECIES 308619:5JL4H nidx=null parent=3R7L4]
 + Melampsalta cruentata flavescens (Hudson, 1891) [SYNONYM SUBSPECIES 308968:KT7YB nidx=null parent=3R7L4]
Melampsalta hermannsburgensis
 - Melampsalta hermannsburgensis (Ashton, 1914) non Distant, 1907 [SYNONYM SPECIES 308619:3Z4RZ nidx=null parent=3DJ9K]
 + Melampsalta hermannsburgensis (Ashton, 1914) [AMBIGUOUS_SYNONYM SPECIES 308968:8J8QS nidx=null parent=3DJ9K]
Melampsalta interstans
 - Melampsalta interstans Stål, 1862 [SYNONYM SPECIES 308619:3Z4SC nidx=null parent=4HGYJ]
 + Melampsalta interstans (Walker, 1858) [SYNONYM SPECIES 308968:KT7YG nidx=null parent=4HGYJ]
Melampsalta montana
 - Melampsalta montana (Menor y Ortega, 1957) non Scopoli, 1772 [AMBIGUOUS_SYNONYM SPECIES 308619:BPJB4 nidx=null parent=4966R]
 - Melampsalta montana (Menor y Ortega, 1957) non Scopoli, 1772 [AMBIGUOUS_SYNONYM SPECIES 308619:CVF5X nidx=null parent=8JJV6]
 + Melampsalta montana (Gómez-Menor, 1957) [AMBIGUOUS_SYNONYM SPECIES 308968:KT7Y3 nidx=null parent=4966R]
Melampsalta muta
 - Melampsalta muta (Wise, 1977) non Fabricius, 1775 [AMBIGUOUS_SYNONYM SPECIES 308619:8J8SH nidx=null parent=3R7JP]
 - Melampsalta muta (Myers, 1921) non Fabricius, 1775 [AMBIGUOUS_SYNONYM SPECIES 308619:8J8SL nidx=null parent=3R7KQ]
 + Melampsalta muta (Sanborn & Villet, 2014) [AMBIGUOUS_SYNONYM SPECIES 308968:BKG9B nidx=null parent=3R7L4]
Melampsalta subgulosa
 - Melampsalta subgulosa Ashton, 1914 [SYNONYM SPECIES 308619:3Z4X4 nidx=null parent=4XFR6]
 + Melampsalta subgulosa (Ashton, 1915) [SYNONYM SPECIES 308968:3Z4X3 nidx=null parent=4XFR6]
Melanoxantherium salijaponicum
 - Melanoxantherium salijaponicum (Shinji, 1924) [SYNONYM SPECIES 308619:CSLWW nidx=null parent=4PW7P]
 + Melanoxantherium salijaponicum (Shinji, 1924) [SYNONYM SPECIES 308968:KT8DB nidx=null parent=4PW7P]
Meliana scotti
 - Meliana scotti (Hampson, 1905) [SYNONYM SPECIES 308619:BRBWF nidx=null parent=94CC2]
 + Meliana scotti (Hampson, 1905) [SYNONYM SPECIES 308968:97JBT nidx=null parent=94CC2]
Meniscieae
 - Meniscieae Pfeiff. [SYNONYM UNRANKED 308619:BW5JZ nidx=null parent=B8X4T]
 + Meniscieae Pfeiff. [SYNONYM TRIBE 308968:KT6VD nidx=null parent=B8X4T]
Menisciinae
 - Menisciinae Payer [SYNONYM UNRANKED 308619:BW5LS nidx=null parent=B8X4T]
 + Menisciinae Payer [SYNONYM SUBTRIBE 308968:KT6VF nidx=null parent=B8X4T]
Mesocoelium brieni
 - Mesocoelium brieni Vercammen-Grandjean, 1960 [ACCEPTED SPECIES 308619:86WKL nidx=null]
 + Mesocoelium brieni Vercammen-Grandjean, 1960 [ACCEPTED SPECIES 308968:84B2J nidx=null]
Mesodon exoletus
 - Mesodon exoletus (A. Gould, 1851) [SYNONYM SPECIES 308619:CQQ9R nidx=null parent=7S53N]
 + Mesodon exoletus (A. Gould, 1851) [SYNONYM SPECIES 308968:KT7QD nidx=null parent=7S53N]
Mesothuria (Monothuria) marginata
 - Mesothuria (Monothuria) marginata Sluiter, 1901 [SYNONYM SPECIES 308619:CSL9C nidx=null parent=5DCCT]
 + Mesothuria (Monothuria) marginata Sluiter, 1901 [SYNONYM SPECIES 308968:KT83B nidx=null parent=5DCCT]
Mexiselaginelloideae
 - Mexiselaginelloideae Li Bing Zhang & X.M.Zhou [SYNONYM UNRANKED 308619:CVXZT nidx=null parent=B8VC6]
 + Mexiselaginelloideae Li Bing Zhang & X.M.Zhou [SYNONYM SUBFAMILY 308968:KTS46 nidx=null parent=B8VC6]
Miamyia (Miamyia) pintoi
 - Miamyia (Miamyia) pintoi Lima, 1930 [SYNONYM SPECIES 308619:89FMK nidx=null parent=8FMS9]
 + Miamyia (Miamyia) pintoi Lima, 1930 [SYNONYM SPECIES 308968:42LGN nidx=null parent=8FMS9]
Microcalpe
 - Microcalpe (Mitt.) W.R. Buck [ACCEPTED GENUS 308619:9THYK nidx=null]
 + Microcalpe (Mitt.) Spruce ex A. Jaeger [ACCEPTED GENUS 308968:KT6B5 nidx=null]
Microdon (Microdon) mutabilis
 - Microdon (Microdon) mutabilis (Linnaeus, 1758) [ACCEPTED SPECIES 308619:8CV59 nidx=null]
 + Microdon (Microdon) mutabilis (Linnaeus, 1758) [ACCEPTED SPECIES 308968:KQHMY nidx=null]
Microlepieae
 - Microlepieae Kuhn [SYNONYM UNRANKED 308619:BW5M7 nidx=null parent=BSG5Y]
 + Microlepieae Kuhn [SYNONYM TRIBE 308968:KT6WP nidx=null parent=BSG5Y]
Micropalpus clausus
 - Micropalpus clausus Rondani, 1868 [SYNONYM SPECIES 308619:89G5Z nidx=null parent=C2RFJ]
 + Micropalpus clausus Rondani, 1868 [SYNONYM SPECIES 308968:4328R nidx=null parent=C2RFJ]
Microthamnium glabrifolium
 - Microthamnium glabrifolium (Müll. Hal.) Kindb. [SYNONYM SPECIES 308619:9SKZ7 nidx=null parent=43RR9]
 + Microthamnium glabrifolium (Müll. Hal.) Müll. Hal. [SYNONYM SPECIES 308968:KT7NP nidx=null parent=43RR9]
Microzetes (Microzetes) petrocoriensis
 - Microzetes (Microzetes) petrocoriensis (Grandjean, 1936) [ACCEPTED SPECIES 308619:7VVMY nidx=null]
 + Microzetes (Microzetes) petrocoriensis (Grandjean, 1936) [ACCEPTED SPECIES 308968:KNXYM nidx=null]
Mildella leonardii
 - Mildella leonardii (Maxon) C. C. Hall & Lellinger [ACCEPTED SPECIES 308619:BBZ3Y nidx=null]
 + Mildella leonardii (Maxon) C.C.Hall & Lellinger [SYNONYM SPECIES 308968:43BX6 nidx=null parent=KTSBC]
Millerella excavata var. excavata
 - Millerella excavata var. excavata [SYNONYM VARIETY 308619:BPSRW nidx=null parent=BPSRV]
 + Millerella excavata var. excavata Conil & Lys, 1964 [SYNONYM VARIETY 308968:KT82G nidx=null parent=KT82F]
Mogannia chinensis
 - Mogannia chinensis Stål, 1865 [AMBIGUOUS_SYNONYM SPECIES 308619:8J9DM nidx=null parent=8JJNM]
 + Mogannia chinensis Stål, 1865 [AMBIGUOUS_SYNONYM SPECIES 308968:6RMLJ nidx=null parent=8JJNM]
Mogannia fusculata
 - Mogannia fusculata Matsumura, 1907 [SYNONYM SPECIES 308619:8J9DT nidx=null parent=6RMMZ]
 + Mogannia fusculata Kato, 1925 [SYNONYM SPECIES 308968:73MN9 nidx=null parent=6RMMZ]
Mogannia hebes dorsivitta
 - Mogannia hebes dorsivitta Walker, 1858 [SYNONYM SUBSPECIES 308619:5JQMZ nidx=null parent=6RMN7]
 + Mogannia hebes dorsivitta Matsumura, 1927 [SYNONYM SUBSPECIES 308968:KT9HG nidx=null parent=6RMN7]
Mogannia kikowensis
 - Mogannia kikowensis Ôuchi, 1938 [SYNONYM SPECIES 308619:8J9F4 nidx=null parent=8JJNM]
 + Mogannia kikowensis Ôuchi, 1938 [SYNONYM SPECIES 308968:6RMN2 nidx=null parent=8JJNM]
Mohrieae
 - Mohrieae Bommer [SYNONYM UNRANKED 308619:BW5JB nidx=null parent=B8VGL]
 + Mohrieae Bommer [SYNONYM TRIBE 308968:KT9HY nidx=null parent=B8VGL]
Mohrioideae
 - Mohrioideae C.Presl [SYNONYM UNRANKED 308619:BW5M4 nidx=null parent=B8VGL]
 + Mohrioideae C.Presl [SYNONYM SUBFAMILY 308968:KT9HZ nidx=null parent=B8VGL]
Molobrus fuliginosus
 - Molobrus fuliginosus Fitch, 1856 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X5X nidx=null]
 + Molobrus fuliginosus Fitch, 1856 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSBK nidx=null]
Montastraea conferta
 - †Montastraea conferta (Umbgrove, 1925) [ACCEPTED SPECIES 308619:8KQYK nidx=null]
 + Montastraea conferta (Duncan, 1864) [ACCEPTED SPECIES 308968:KT6XP nidx=null]
Mulsantia blanda
 - Mulsantia blanda Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X6X nidx=null]
 + Mulsantia blanda Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSH6 nidx=null]
Mulsantia spreta
 - Mulsantia spreta Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X6Z nidx=null]
 + Mulsantia spreta Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSHV nidx=null]
Murex (Phyllonotus) santarosana
 - Murex (Phyllonotus) santarosana Dall, 1905 [SYNONYM SPECIES 308619:CQQKW nidx=null parent=3YH3V]
 + Murex (Phyllonotus) santarosana Dall, 1905 [SYNONYM SPECIES 308968:KT7ZZ nidx=null parent=3YH3V]
Murex brandaris var. multicostatus
 - Murex brandaris var. multicostatus Serradell, 1912 [SYNONYM VARIETY 308619:CSL6Z nidx=null parent=MDDG]
 + Murex brandaris var. multicostatus Serradell, 1912 [SYNONYM VARIETY 308968:KT82H nidx=null parent=MDDG]
Musca abrupta
 - Musca abrupta Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X73 nidx=null]
 + Musca abrupta Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSHY nidx=null]
Musca aestuans
 - Musca aestuans Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X75 nidx=null]
 + Musca aestuans Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSJH nidx=null]
Musca bicolor
 - Musca bicolor Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X79 nidx=null]
 + Musca bicolor Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSKL nidx=null]
Musca conica
 - Musca conica Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X7L nidx=null]
 + Musca conica Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 308968:9KH7H nidx=null]
Musca convenio
 - Musca convenio Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X7N nidx=null]
 + Musca convenio Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSMD nidx=null]
Musca decore
 - Musca decore Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X7P nidx=null]
 + Musca decore Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSMM nidx=null]
Musca doclea
 - Musca doclea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X7S nidx=null]
 + Musca doclea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSMZ nidx=null]
Musca fimetorum
 - Musca fimetorum Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X82 nidx=null]
 + Musca fimetorum Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSNG nidx=null]
Musca flavipalpis
 - Musca flavipalpis Meigen, 1838 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X83 nidx=null]
 + Musca flavipalpis Meigen, 1838 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSNL nidx=null]
Musca grisea
 - Musca grisea Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X87 nidx=null]
 + Musca grisea Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 308968:9KH94 nidx=null]
Musca guttata
 - Musca guttata Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X88 nidx=null]
 + Musca guttata Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSPB nidx=null]
Musca hebes
 - Musca hebes Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X8B nidx=null]
 + Musca hebes Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 308968:9KH98 nidx=null]
Musca helenii
 - Musca helenii Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X8C nidx=null]
 + Musca helenii Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSPK nidx=null]
Musca lincensis
 - Musca lincensis Schrank, 1776 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X8M nidx=null]
 + Musca lincensis Schrank, 1776 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSQY nidx=null]
Musca metallina
 - Musca metallina Gravenhorst, 1807 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X8X nidx=null]
 + Musca metallina Gravenhorst, 1807 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSRP nidx=null]
Musca nigripilis
 - Musca nigripilis Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X95 nidx=null]
 + Musca nigripilis Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSSF nidx=null]
Musca prodromaria
 - Musca prodromaria Panzer, 1804 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X97 nidx=null]
 + Musca prodromaria Panzer, 1804 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSTX nidx=null]
Musca prolabor
 - Musca prolabor Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X98 nidx=null]
 + Musca prolabor Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSTY nidx=null]
Musca sacalis
 - Musca sacalis Bjerkander, 1783 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X99 nidx=null]
 + Musca sacalis Bjerkander, 1783 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSWK nidx=null]
Musca terrestris
 - Musca terrestris Linnaeus, 1767 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X9B nidx=null]
 + Musca terrestris Linnaeus, 1767 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JSY2 nidx=null]
Mycetophila borealis
 - Mycetophila borealis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X9F nidx=null]
 + Mycetophila borealis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JT38 nidx=null]
Mydaea (Mydaria) rufisquama
 - Mydaea (Mydaria) rufisquama Schnabl, 1915 [SYNONYM SPECIES 308619:88QND nidx=null parent=7BXVP]
 + Mydaea (Mydaria) rufisquama Schnabl, 1915 [SYNONYM SPECIES 308968:4524P nidx=null parent=8FFFR]
Myiolepta luhei
 - †Myiolepta luhei Cockerell, 1910 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XDW nidx=null]
 + Myiolepta luhei Cockerell, 1910 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JT5Q nidx=null]
Myiophasia solitaria
 - Myiophasia solitaria Aldrich, 1934 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XDY nidx=null]
 + Myiophasia solitaria Aldrich, 1934 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JT66 nidx=null]
Myophora arvicola
 - Myophora arvicola Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XF9 nidx=null]
 + Myophora arvicola Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JT72 nidx=null]
Myophora rapida
 - Myophora rapida Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XFQ nidx=null]
 + Myophora rapida Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JT7Z nidx=null]
Myothyria degeerioides
 - Myothyria degeerioides Wulp, 1890 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XGC nidx=null]
 + Myothyria degeerioides Wulp, 1890 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JT8F nidx=null]
Myrmedonia (Myrmelia)
 - Myrmedonia (Myrmelia) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 308619:CSQCY nidx=null parent=9JBF8]
 + Myrmedonia (Myrmelia) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 308968:KTB65 nidx=null parent=9JBF8]
 + Myrmedonia (Myrmelia) Mulsant & Rey, 1873 [SYNONYM SUBGENUS 308968:KTB66 nidx=null parent=9JBF8]
Myzaphis pujoli
 - Myzaphis pujoli [SYNONYM SPECIES 308619:8Q758 nidx=null parent=5VLKR]
 + Myzaphis pujoli Gómez-Menor Ortega, 1950 [SYNONYM SPECIES 308968:KT6RL nidx=null parent=KSFZJ]
Myzocallis (Myzocallis) boerneri
 - Myzocallis (Myzocallis) boerneri Stroyan, 1957 [ACCEPTED SPECIES 308619:CM73F nidx=null]
 + Myzocallis (Myzocallis) boerneri Stroyan, 1957 [ACCEPTED SPECIES 308968:KT6SQ nidx=null]
Myzocallis kunugi
 - Myzocallis kunugi Shinji, 1924 [SYNONYM SPECIES 308619:CQPCP nidx=null parent=7CY96]
 + Myzocallis kunugi Shinji, 1924 [SYNONYM SPECIES 308968:KT6SX nidx=null parent=7CY96]
Nanomitrium brisbanicum
 - Nanomitrium brisbanicum (Broth.) Broth. [SYNONYM SPECIES 308619:9SLZW nidx=null parent=6DSXW]
 + Nanomitrium brisbanicum (Broth.) Paris [SYNONYM SPECIES 308968:KT792 nidx=null parent=6DSXW]
Nassa (Eione) bellula
 - Nassa (Eione) bellula A. Adams, 1852 [SYNONYM SPECIES 308619:CSK8C nidx=null parent=45RKN]
 + Nassa (Eione) bellula A. Adams, 1852 [SYNONYM SPECIES 308968:KT7K4 nidx=null parent=45RKN]
Neckera ossulana
 - †Neckera ossulana Craveri [ACCEPTED SPECIES 308619:9WBTQ nidx=null]
 + Neckera ossulana Sordelli [ACCEPTED SPECIES 308968:KT8BN nidx=null]
Nemertes fuscescens
 - Nemertes fuscescens [SYNONYM SPECIES 308619:467JS nidx=null parent=3V2RM]
 + Nemertes fuscescens (Fabricius, 1774) [SYNONYM SPECIES 308968:KT95B nidx=null parent=3V2RM]
Nemotelus (Nemotelus) leucocephalus
 - Nemotelus (Nemotelus) leucocephalus Becker, 1902 [ACCEPTED SPECIES 308619:CP6NM nidx=null]
 + Nemotelus (Nemotelus) leucocephalus Becker, 1902 [ACCEPTED SPECIES 308968:KT98H nidx=null]
Nemotelus (Nemotelus) maryinellus
 - Nemotelus (Nemotelus) maryinellus Schiner, 1855 [ACCEPTED SPECIES 308619:CVG53 nidx=null]
 + Nemotelus (Nemotelus) maryinellus Schiner, 1855 [ACCEPTED SPECIES 308968:KT98K nidx=null]
Nemotelus (Nemotelus) punctirostris
 - Nemotelus (Nemotelus) punctirostris Lindner, 1974 [ACCEPTED SPECIES 308619:CSNF4 nidx=null]
 + Nemotelus (Nemotelus) punctirostris Lindner, 1974 [ACCEPTED SPECIES 308968:KT98M nidx=null]
Nemotelus (Nemotelus) zelleri
 - Nemotelus (Nemotelus) zelleri Pleske, 1937 [ACCEPTED SPECIES 308619:CH8QX nidx=null]
 + Nemotelus (Nemotelus) zelleri Pleske, 1937 [ACCEPTED SPECIES 308968:KT98S nidx=null]
Nemotelus rufus
 - Nemotelus rufus De Geer, 1776 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XGT nidx=null]
 + Nemotelus rufus De Geer, 1776 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JT97 nidx=null]
Nemotelus sylvestris
 - Nemotelus sylvestris Müller, 1776 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XGZ nidx=null]
 + Nemotelus sylvestris Müller, 1776 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JT9F nidx=null]
Neocytheretta murilineata
 - Neocytheretta murilineata Zhao (Yi-Chun) & Whatley, 1989 [ACCEPTED SPECIES 308619:46FPH nidx=null]
 + Neocytheretta murilineata Zhao & Whatley, 1989 [ACCEPTED SPECIES 308968:KT9NS nidx=null]
Neomonoceratina indonesiana
 - Neomonoceratina indonesiana Whatley & Zhao (Yi-Chun), 1988 [ACCEPTED SPECIES 308619:46N4Q nidx=null]
 + Neomonoceratina indonesiana Whatley & Zhao, 1988 [ACCEPTED SPECIES 308968:KTB7Z nidx=null]
Nephrodiinae
 - Nephrodiinae Payer [SYNONYM UNRANKED 308619:BW5L2 nidx=null parent=B8WX3]
 + Nephrodiinae Payer [SYNONYM SUBTRIBE 308968:KT743 nidx=null parent=B8WX3]
Nephrolepideae
 - Nephrolepideae Pfeiff. [SYNONYM UNRANKED 308619:BW5J6 nidx=null parent=B8WX3]
 + Nephrolepideae Pfeiff. [SYNONYM TRIBE 308968:KT753 nidx=null parent=B8WX3]
Nereis (Heteronereis)
 - Nereis (Heteronereis) [ACCEPTED SUBGENUS 308619:BRKJR nidx=null]
 + Nereis (Heteronereis) Örsted, 1842 [SYNONYM SUBGENUS 308968:KSXRN nidx=null parent=84QYH]
Neritina (Smaragdia) souverbiana
 - Neritina (Smaragdia) souverbiana Montrouzier, 1863 [SYNONYM SPECIES 308619:CVDKZ nidx=null parent=6Z46X]
 + Neritina (Smaragdia) souverbiana Montrouzier, 1863 [SYNONYM SPECIES 308968:KT7FT nidx=null parent=6Z46X]
Neritina coromandeliana
 - Neritina coromandeliana G. B. Sowerby I, 1836 [SYNONYM SPECIES 308619:7SBRK nidx=null parent=7FT8W]
 + Neritina coromandeliana G. B. Sowerby I, 1836 [SYNONYM SPECIES 308968:KT7FZ nidx=null parent=7FT8W]
Noctua degener
 - Noctua degener [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 308619:BRCCN nidx=null parent=92YVY]
 + Noctua degener [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 308968:97NQW nidx=null parent=92YVY]
Noctua orychalcea
 - Noctua orychalcea (Hübner, 1803) [SYNONYM SPECIES 308619:BRCDX nidx=null parent=93R8P]
 + Noctua orychalcea (Hübner, 1803) [SYNONYM SPECIES 308968:95BVY nidx=null parent=93R8P]
Noctua radicea
 - Noctua radicea [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 308619:BRCF7 nidx=null parent=92TR9]
 + Noctua radicea [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 308968:97NWJ nidx=null parent=92TR9]
Noctua spoliatricula
 - Noctua spoliatricula [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 308619:BRCFP nidx=null parent=92YVY]
 + Noctua spoliatricula [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 308968:97NXM nidx=null parent=92YVY]
Nodosaria (Dentalina) soluta
 - Nodosaria (Dentalina) soluta (Reuss, 1851) [PROVISIONALLY_ACCEPTED SPECIES 308619:BH9X4 nidx=null]
 + Nodosaria (Dentalina) soluta (Reuss, 1851) [PROVISIONALLY_ACCEPTED SPECIES 308968:47LKM nidx=null]
Nodosaria spinulosa var. spinulosa
 - Nodosaria spinulosa var. spinulosa [SYNONYM VARIETY 308619:BQ59N nidx=null parent=832V2]
 + Nodosaria spinulosa var. spinulosa Costa, 1855 [SYNONYM VARIETY 308968:KT93T nidx=null parent=832V2]
Nonion depressulum var. matagordanum
 - Nonion depressulum var. matagordanum Kornfeld, 1931 [SYNONYM VARIETY 308619:CVG8L nidx=null parent=39CS2]
 + Nonion depressulum var. matagordanum Kornfeld, 1931 [SYNONYM VARIETY 308968:KT9CJ nidx=null parent=39CS2]
Nonion laevis
 - Nonion laevis (d'Orbigny in Parker, Jones & Brady, 1865) [SYNONYM SPECIES 308619:CKLK7 nidx=null parent=82FFQ]
 + Nonion laevis (d'Orbigny in Parker, Jones & Brady, 1865) [SYNONYM SPECIES 308968:KT9CM nidx=null parent=82FFQ]
Notholaeneae
 - Notholaeneae Gaudich. [SYNONYM UNRANKED 308619:BW5JD nidx=null parent=B8X36]
 + Notholaeneae Gaudich. [SYNONYM TRIBE 308968:KTB7C nidx=null parent=B8X36]
Notiphila peregrina
 - Notiphila peregrina Wiedemann, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XKK nidx=null]
 + Notiphila peregrina Wiedemann, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308968:9V8GB nidx=null]
Nuculana (Saccella) fastigata
 - Nuculana (Saccella) fastigata Keen, 1958 [SYNONYM SPECIES 308619:CSR3H nidx=null parent=4TW4H]
 + Nuculana (Saccella) fastigata Keen, 1958 [SYNONYM SPECIES 308968:KTBKB nidx=null parent=4TW4H]
Nuculana (Saccella) taphria
 - Nuculana (Saccella) taphria (Dall, 1897) [SYNONYM SPECIES 308619:CVHS6 nidx=null parent=4TW5B]
 + Nuculana (Saccella) taphria (Dall, 1897) [SYNONYM SPECIES 308968:KTBKD nidx=null parent=4TW5B]
Ocenebra
 - Ocenebra J. E. Gray, 1847 [ACCEPTED GENUS 308619:7PB45 nidx=null]
 + Ocenebra Leach, 1847 [ACCEPTED GENUS 308968:KSMKN nidx=null]
Ochtiphila albiceps
 - Ochtiphila albiceps Meigen, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XLH nidx=null]
 + Ochtiphila albiceps Meigen, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308968:9V8GW nidx=null]
Octoblephareae
 - Octoblephareae Cardot [SYNONYM TRIBE 308619:9WG5K nidx=null parent=9RKTL]
 + Octoblephareae Mont. ex Berk. [SYNONYM TRIBE 308968:KT8D5 nidx=null parent=9RKTL]
Octopyle
 - Octopyle [ACCEPTED GENUS 308619:66PS nidx=null]
 + Octopyle Haeckel, 1881 [ACCEPTED GENUS 308968:KT8F4 nidx=null]
Oediceros aequimanus
 - Oediceros aequimanus Kossmann, 1880 [SYNONYM SPECIES 308619:7XKHT nidx=null parent=4F2PJ]
 + Oediceros aequimanus Kossmann, 1880 [SYNONYM SPECIES 308968:48VQ6 nidx=null parent=4F2PJ]
Okinawaella okinanensis
 - Okinawaella okinanensis Ruan & Hao (Yi-Chun), 1988 [ACCEPTED SPECIES 308619:6SJ35 nidx=null]
 + Okinawaella okinanensis Ruan & Hao, 1988 [SYNONYM SPECIES 308968:KT9YB nidx=null parent=KTSWZ]
Oleandreae
 - Oleandreae J.Sm. [SYNONYM UNRANKED 308619:BV8LF nidx=null parent=B8WX7]
 + Oleandreae J.Sm. [SYNONYM TRIBE 308968:KTB3N nidx=null parent=B8WX7]
Oleandroideae
 - Oleandroideae Crabbe, Jermy & Mickel [SYNONYM UNRANKED 308619:BV8QL nidx=null parent=B8WX7]
 + Oleandroideae Crabbe, Jermy & Mickel [SYNONYM SUBFAMILY 308968:KTB3P nidx=null parent=B8WX7]
Oligogetes relictus
 - †Oligogetes relictus Makarkin, 1998 [ACCEPTED SPECIES 308619:4966D nidx=null]
 + Oligogetes relictus Makarkin, 1998 [ACCEPTED SPECIES 308968:DZ6FK nidx=null]
Oncideres (Oncideres) gutturator
 - Oncideres (Oncideres) gutturator [AMBIGUOUS_SYNONYM SPECIES 308619:BRMXB nidx=null parent=49GDH]
 + Oncideres (Oncideres) gutturator [AMBIGUOUS_SYNONYM SPECIES 308968:KTBN4 nidx=null parent=49GDH]
Oncideres (Oncideres) putator
 - Oncideres (Oncideres) putator [AMBIGUOUS_SYNONYM SPECIES 308619:CH8SZ nidx=null parent=49GJW]
 + Oncideres (Oncideres) putator [AMBIGUOUS_SYNONYM SPECIES 308968:KTBND nidx=null parent=49GJW]
Onesia (Onesia) subapennina
 - Onesia (Onesia) subapennina Rondani, 1862 [ACCEPTED SPECIES 308619:CSRNZ nidx=null]
 + Onesia (Onesia) subapennina Rondani, 1862 [ACCEPTED SPECIES 308968:KTBWG nidx=null]
Onesia gentilis
 - Onesia gentilis Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XNS nidx=null]
 + Onesia gentilis Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JTGZ nidx=null]
Onocleeae
 - Onocleeae Tod. [SYNONYM UNRANKED 308619:BW5JM nidx=null parent=B8WCH]
 + Onocleeae Tod. [SYNONYM TRIBE 308968:KT836 nidx=null parent=B8WCH]
Onocleinae
 - Onocleinae Diels [SYNONYM UNRANKED 308619:BW5LY nidx=null parent=B8WCH]
 + Onocleinae Diels [SYNONYM SUBTRIBE 308968:KT837 nidx=null parent=B8WCH]
Onthophagus capella
 - Onthophagus capella Boisduval, 1835 [AMBIGUOUS_SYNONYM SPECIES 308619:6SMMH nidx=null parent=7XMDJ]
 + Onthophagus capella Boisduval, 1835 [SYNONYM SPECIES 308968:7XMWF nidx=null parent=7XMDJ]
Onthophagus castaneus
 - Onthophagus castaneus Melsheimer, 1845 [AMBIGUOUS_SYNONYM SPECIES 308619:74MNW nidx=null parent=9K3RZ]
 + Onthophagus castaneus Melsheimer, 1845 [SYNONYM SPECIES 308968:7W5HY nidx=null parent=9K3RZ]
Onthophagus mactatus
 - Onthophagus mactatus Gerstaecker, 1873 [AMBIGUOUS_SYNONYM SPECIES 308619:49P8H nidx=null parent=7XNQV]
 + Onthophagus mactatus Gerstaecker, 1873 [SYNONYM SPECIES 308968:7XNJN nidx=null parent=7XNQV]
Onthophagus nanus
 - Onthophagus nanus Waterhouse, 1894 [AMBIGUOUS_SYNONYM SPECIES 308619:6SMCS nidx=null parent=7XP9D]
 + Onthophagus nanus Waterhouse, 1894 [SYNONYM SPECIES 308968:7XNMV nidx=null parent=7XP9D]
Onthophagus seminulum
 - Onthophagus seminulum Balthasar, 1964 [AMBIGUOUS_SYNONYM SPECIES 308619:49PWK nidx=null parent=7XP92]
 + Onthophagus seminulum Balthasar, 1964 [SYNONYM SPECIES 308968:7XNXR nidx=null parent=7XP92]
Onthophagus unidens
 - Onthophagus unidens Boucomont, 1914 [AMBIGUOUS_SYNONYM SPECIES 308619:49Q85 nidx=null parent=7XPFK]
 + Onthophagus unidens Boucomont, 1914 [SYNONYM SPECIES 308968:7XP4Z nidx=null parent=7XPFK]
Onthophagus urus
 - Onthophagus urus Ménétriés, 1832 [AMBIGUOUS_SYNONYM SPECIES 308619:49Q8B nidx=null parent=7XN53]
 - Onthophagus urus Heer, 1847 [AMBIGUOUS_SYNONYM SPECIES 308619:49Q8D nidx=null parent=7XPFP]
 + Onthophagus urus Ménétriés, 1832 [SYNONYM SPECIES 308968:7XP55 nidx=null parent=7XN53]
 + Onthophagus urus Heer, 1847 [SYNONYM SPECIES 308968:7XP56 nidx=null parent=7XPFP]
Onthophagus wittei
 - Onthophagus wittei Frey, 1958 [AMBIGUOUS_SYNONYM SPECIES 308619:49QB6 nidx=null parent=7XPJ4]
 + Onthophagus wittei Frey, 1958 [SYNONYM SPECIES 308968:7XP6Z nidx=null parent=7XPJ4]
Oospora dagatae
 - Oospora dagatae Sacc. [SYNONYM SPECIES 308619:49T47 nidx=null parent=79Z9L]
 + Oospora dagatae Sacc. [SYNONYM SPECIES 308968:DRX8L nidx=null parent=79Z9L]
Ophioglossaceae
 - Ophioglossaceae Martinov [SYNONYM UNRANKED 308619:CKKCR nidx=null parent=B8X43]
 + Ophioglossaceae Martinov [SYNONYM FAMILY 308968:KT7TY nidx=null parent=B8X43]
Ophioglosseae
 - Ophioglosseae R.Br. [SYNONYM UNRANKED 308619:B8X5V nidx=null parent=B8V4P]
 - Ophioglosseae Hook. & Lindl. ex Duby [SYNONYM UNRANKED 308619:BV8FB nidx=null parent=B8X43]
 + Ophioglosseae R.Br. [SYNONYM TRIBE 308968:KT8YR nidx=null parent=B8V4P]
 + Ophioglosseae Hook. & Lindl. ex Duby [SYNONYM TRIBE 308968:KT8YS nidx=null parent=B8X43]
Ophioglossidae
 - Ophioglossidae Klinge [SYNONYM UNRANKED 308619:CKL5G nidx=null parent=B8V4K]
 + Ophioglossidae Klinge [SYNONYM SUBCLASS 308968:KT8YT nidx=null parent=B8V4K]
Ophioglossophyta
 - Ophioglossophyta Bek. [SYNONYM UNRANKED 308619:BW4NR nidx=null parent=B8V4K]
 + Ophioglossophyta Bek. [SYNONYM PHYLUM 308968:KT8YV nidx=null parent=B8V4K]
Ophioglossophytina
 - Ophioglossophytina Doweld [SYNONYM UNRANKED 308619:BW5LL nidx=null parent=B8V4K]
 + Ophioglossophytina Doweld [SYNONYM SUBPHYLUM 308968:KT8YW nidx=null parent=B8V4K]
Opimilda scalaris
 - Opimilda scalaris Kuroda & Habe, 1971 [SYNONYM SPECIES 308619:8V8WN nidx=null parent=8V8LB]
 + Opimilda scalaris Kuroda & T. Habe, 1971 [SYNONYM SPECIES 308968:7534D nidx=null parent=736P8]
Opsius stactogallus
 - Opsius stactogallus (Fieber, 1866) [SYNONYM SPECIES 308619:CKLZW nidx=null parent=9WS86]
 + Opsius stactogallus (Fieber, 1866) [SYNONYM SPECIES 308968:KT9RC nidx=null parent=9WS86]
Ortalis semivitta
 - Ortalis semivitta Walker, 1865 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XQ4 nidx=null]
 + Ortalis semivitta Walker, 1865 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JTKB nidx=null]
Orthotrichum diaphanum f. epilosum
 - Orthotrichum diaphanum f. epilosum C.E.O. Jensen ex Podp. [SYNONYM FORM 308619:9VWCF nidx=null parent=6SXZY]
 + Orthotrichum diaphanum f. epilosum Latzel [SYNONYM FORM 308968:KTCHS nidx=null parent=6SXZY]
Osmundastrum cinnamomeum var. glandulosum
 - Osmundastrum cinnamomeum var. glandulosum (Waters) Mc Avoy [ACCEPTED VARIETY 308619:BD7D2 nidx=null]
 + Osmundastrum cinnamomeum var. glandulosum (Waters) McAvoy [ACCEPTED VARIETY 308968:KT95S nidx=null]
Osmundeae
 - Osmundeae Hook. & Lindl. ex Duby [SYNONYM UNRANKED 308619:BW52H nidx=null parent=B8WX9]
 + Osmundeae Hook. & Lindl. ex Duby [SYNONYM TRIBE 308968:KT95W nidx=null parent=B8WX9]
Osmundoideae
 - Osmundoideae Sweet [SYNONYM UNRANKED 308619:BW52J nidx=null parent=B8WX9]
 + Osmundoideae Sweet [SYNONYM SUBFAMILY 308968:KT95Y nidx=null parent=B8WX9]
Otiorhynchus speiseri
 - Otiorhynchus speiseri Apfelbeck, 1895 [SYNONYM SPECIES 308619:CVGHW nidx=null parent=373HR]
 + Otiorhynchus speiseri Apfelbeck, 1894 [SYNONYM SPECIES 308968:KT9KP nidx=null parent=373HR]
 + Otiorhynchus speiseri Apfelbeck, 1895 [SYNONYM SPECIES 308968:KT9KQ nidx=null parent=373HR]
Otiorhynchus vicinus
 - Otiorhynchus vicinus Apfelbeck, 1895 [SYNONYM SPECIES 308619:CVGHY nidx=null parent=373HR]
 + Otiorhynchus vicinus Apfelbeck, 1895 [SYNONYM SPECIES 308968:KT9KS nidx=null parent=373HR]
 + Otiorhynchus vicinus Apfelbeck, 1894 [SYNONYM SPECIES 308968:KT9KT nidx=null parent=373HR]
Otiorhynchus vlasuljensis
 - Otiorhynchus vlasuljensis Apfelbeck, 1895 [SYNONYM SPECIES 308619:CVGJ4 nidx=null parent=6DBV9]
 + Otiorhynchus vlasuljensis Apfelbeck, 1895 [SYNONYM SPECIES 308968:KT9KX nidx=null parent=6DBV9]
 + Otiorhynchus vlasuljensis Apfelbeck, 1894 [SYNONYM SPECIES 308968:KT9KY nidx=null parent=6DBV9]
Otosphaera
 - Otosphaera [ACCEPTED GENUS 308619:63HMS nidx=null]
 + Otosphaera Haeckel, 1887 [ACCEPTED GENUS 308968:KT9MT nidx=null]
Otus kennicottii
 - Otus kennicottii (D. G. Elliot, 1867) [SYNONYM SPECIES 308619:CQS2Y nidx=null parent=737WZ]
 + Otus kennicottii (D. G. Elliot, 1867) [SYNONYM SPECIES 308968:KT9NT nidx=null parent=737WZ]
Oxydromus bunbuku
 - Oxydromus bunbuku (Uchida, 2004) [ACCEPTED SPECIES 308619:6TFH6 nidx=null]
 + Oxydromus bunbuku Uchida in Uchida, Lopéz & Sato, 2019 [ACCEPTED SPECIES 308968:KTB7J nidx=null]
Oxydromus constrictus
 - Oxydromus constrictus (Uchida, 2004) [ACCEPTED SPECIES 308619:6TFGV nidx=null]
 + Oxydromus constrictus Uchida in Uchida, Lopéz & Sato, 2019 [ACCEPTED SPECIES 308968:KTB7K nidx=null]
Oxydromus fauveli
 - Oxydromus fauveli (Uchida, 2004) [ACCEPTED SPECIES 308619:75FH7 nidx=null]
 + Oxydromus fauveli Uchida in Uchida, Lopéz & Sato, 2019 [ACCEPTED SPECIES 308968:KTB7L nidx=null]
Oxydromus okudai
 - Oxydromus okudai (Uchida, 2004) [ACCEPTED SPECIES 308619:75FJF nidx=null]
 + Oxydromus okudai Uchida in Uchida, Lopéz & Sato, 2019 [ACCEPTED SPECIES 308968:KTB7M nidx=null]
Oxydromus parapallidus
 - Oxydromus parapallidus (Uchida, 2004) [ACCEPTED SPECIES 308619:75FJH nidx=null]
 + Oxydromus parapallidus Uchida in Uchida, Lopéz & Sato, 2019 [ACCEPTED SPECIES 308968:KTB7N nidx=null]
Palaeocolpodia eocenica
 - †Palaeocolpodia eocenica Meunier, 1904 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XVF nidx=null]
 + Palaeocolpodia eocenica Meunier, 1904 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JTQ7 nidx=null]
Palaeopipiza xenos
 - †Palaeopipiza xenos Meunier, 1902 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XVG nidx=null]
 + Palaeopipiza xenos Meunier, 1902 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JTQD nidx=null]
Palaeosphegina tristis
 - †Palaeosphegina tristis Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XVH nidx=null]
 + Palaeosphegina tristis Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JTQR nidx=null]
Pangonia leucomelana
 - Pangonia leucomelana Séguy, 1933 [SYNONYM SPECIES 308619:89MQW nidx=null parent=8D9TL]
 + Pangonia leucomelana Séguy, 1933 [SYNONYM SPECIES 308968:4CCJZ nidx=null parent=8D9TL]
Pangonia senegalensis
 - Pangonia senegalensis Macquart, 1834 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XVW nidx=null]
 + Pangonia senegalensis Macquart, 1834 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JTTY nidx=null]
Papilio ismarus
 - Papilio ismarus Cramer, 1779 [SYNONYM SPECIES 308619:CSQSX nidx=null parent=566HS]
 + Papilio ismarus Cramer, 1779 [SYNONYM SPECIES 308968:KTBFX nidx=null parent=566HS]
Parabolocratus wallengrenii
 - Parabolocratus wallengrenii (Stål, 1870) [SYNONYM SPECIES 308619:CVJ2F nidx=null parent=3JYL9]
 + Parabolocratus wallengrenii (Stål, 1870) [SYNONYM SPECIES 308968:KTBQ7 nidx=null parent=3JYL9]
Paracathaycythere
 - Paracathaycythere Whatley & Zhao (Yi-Chun), 1991 [ACCEPTED GENUS 308619:85H6F nidx=null]
 + Paracathaycythere Whatley & Zhao, 1991 [ACCEPTED GENUS 308968:KTBTK nidx=null]
Paracathaycythere costaereticulata
 - †Paracathaycythere costaereticulata Whatley & Zhao (Yi-Chun), 1991 [ACCEPTED SPECIES 308619:85WFF nidx=null]
 + Paracathaycythere costaereticulata Whatley & Zhao, 1991 [ACCEPTED SPECIES 308968:KTBTL nidx=null]
Paracathaycythere scabra
 - †Paracathaycythere scabra Zhao (Yi-Chun) & Whatley, 1991 [ACCEPTED SPECIES 308619:85WFG nidx=null]
 + Paracathaycythere scabra Zhao & Whatley, 1991 [ACCEPTED SPECIES 308968:KTBTM nidx=null]
Paractis explorator
 - Paractis explorator [SYNONYM SPECIES 308619:4CRSK nidx=null parent=7YW6M]
 + Paractis explorator (Dayell, 1848) [SYNONYM SPECIES 308968:KTC3J nidx=null parent=7YW6M]
Paractis viduata
 - Paractis viduata [SYNONYM SPECIES 308619:4CRTR nidx=null parent=7YW6M]
 + Paractis viduata (Müller, 1776) [SYNONYM SPECIES 308968:KTC3K nidx=null parent=7YW6M]
Parantipathes (Aphanipathes) barbadensis
 - Parantipathes (Aphanipathes) barbadensis (Brook, 1889) [SYNONYM SPECIES 308619:CVKD6 nidx=null parent=54N3N]
 + Parantipathes (Aphanipathes) barbadensis (Brook, 1889) [SYNONYM SPECIES 308968:KTD75 nidx=null parent=54N3N]
Parantipathes (Aphanipathes) filix
 - Parantipathes (Aphanipathes) filix (Pourtalès, 1867) [SYNONYM SPECIES 308619:CVKD7 nidx=null parent=36XMR]
 + Parantipathes (Aphanipathes) filix (Pourtalès, 1867) [SYNONYM SPECIES 308968:KTD76 nidx=null parent=36XMR]
Parkerieae
 - Parkerieae Brongn. [SYNONYM UNRANKED 308619:BW5JV nidx=null parent=B8X44]
 + Parkerieae Brongn. [SYNONYM TRIBE 308968:KTB8K nidx=null parent=B8X44]
Patina
 - Patina Gray, 1847 [SYNONYM GENUS 308619:BGMNT nidx=null parent=7PC38]
 + Patina Leach, 1847 [SYNONYM GENUS 308968:KTC4H nidx=null parent=7PC38]
Pecten (Chlamys) ornatus
 - Pecten (Chlamys) ornatus Lamarck, 1819 [SYNONYM SPECIES 308619:CVJW3 nidx=null parent=RCQZ]
 + Pecten (Chlamys) ornatus Lamarck, 1819 [SYNONYM SPECIES 308968:KTCLM nidx=null parent=RCQZ]
Pecten (Plagioctenium) cerrosensis
 - Pecten (Plagioctenium) cerrosensis Gabb, 1866 [SYNONYM SPECIES 308619:CSSXX nidx=null parent=B5944]
 + Pecten (Plagioctenium) cerrosensis Gabb, 1866 [SYNONYM SPECIES 308968:KTCNR nidx=null parent=B5944]
Pecten (Plagioctenium) gilbertharrisi
 - Pecten (Plagioctenium) gilbertharrisi F. Hodson & H. Hodson, 1927 [SYNONYM SPECIES 308619:CVJVT nidx=null parent=B6JNR]
 + Pecten (Plagioctenium) gilbertharrisi F. Hodson & H. Hodson, 1927 [SYNONYM SPECIES 308968:KTCLC nidx=null parent=B6JNR]
Pegomya laminata
 - Pegomya laminata Ringdahl, 1951 [ACCEPTED SPECIES 308619:92VST nidx=null]
 + Pegomya laminata Ringdahl, 1951 [ACCEPTED SPECIES 308968:75XZC nidx=null]
Peneroplis pertusus var. planatus
 - Peneroplis pertusus var. planatus (Fichtel & Moll, 1798) [SYNONYM VARIETY 308619:C7YZB nidx=null parent=76H73]
 + Peneroplis pertusus var. planatus (Fichtel & Moll, 1798) [SYNONYM VARIETY 308968:KTDNR nidx=null parent=76H73]
Penthimia vanduzeii
 - Penthimia vanduzeii (Kirkaldy, 1906) [SYNONYM SPECIES 308619:CSW5X nidx=null parent=38QVS]
 + Penthimia vanduzeii (Kirkaldy, 1906) [SYNONYM SPECIES 308968:KTF5Z nidx=null parent=38QVS]
Peranemateae
 - Peranemateae C.Presl [SYNONYM UNRANKED 308619:BW52K nidx=null parent=B8X3F]
 + Peranemateae C.Presl [SYNONYM TRIBE 308968:KTFH4 nidx=null parent=B8X3F]
Peranematinae
 - Peranematinae Trevis. [SYNONYM UNRANKED 308619:BW5K9 nidx=null parent=B8X3F]
 + Peranematinae Trevis. [SYNONYM SUBTRIBE 308968:KTFH5 nidx=null parent=B8X3F]
Peripyramis
 - Peripyramis [ACCEPTED GENUS 308619:63L9W nidx=null]
 + Peripyramis Haeckel, 1881 [ACCEPTED GENUS 308968:KTBRF nidx=null]
Phacoides (Pleurolucina)
 - Phacoides (Pleurolucina) Dall, 1901 [SYNONYM SUBGENUS 308619:CP2BF nidx=null parent=7PCWR]
 + Phacoides (Pleurolucina) Dall, 1901 [SYNONYM SUBGENUS 308968:KT5JD nidx=null parent=7PCWR]
Phaenocladius karicus
 - Phaenocladius karicus Chernovsky, 1944 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XYB nidx=null]
 + Phaenocladius karicus Chernovsky, 1944 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JVF9 nidx=null]
Phalaena (Bombyx) erminea
 - Phalaena (Bombyx) erminea Esper, 1783 [SYNONYM SPECIES 308619:95C66 nidx=null parent=92XWC]
 + Phalaena (Bombyx) erminea Esper, 1783 [SYNONYM SPECIES 308968:BRCX6 nidx=null parent=92XWC]
Phalaena (Noctua) fagi
 - Phalaena (Noctua) fagi Linnaeus, 1758 [SYNONYM SPECIES 308619:94CYF nidx=null parent=93PHG]
 + Phalaena (Noctua) fagi Linnaeus, 1758 [SYNONYM SPECIES 308968:BRCX7 nidx=null parent=93PHG]
Phalaena (Pyralis) sulphuralis
 - Phalaena (Pyralis) sulphuralis Linnaeus, 1767 [SYNONYM SPECIES 308619:BRCZ8 nidx=null parent=93PQG]
 + Phalaena (Pyralis) sulphuralis Linnaeus, 1767 [SYNONYM SPECIES 308968:97YMT nidx=null parent=93PQG]
Phalaena (Tinea) goedartella
 - Phalaena (Tinea) goedartella Linnaeus, 1758 [SYNONYM SPECIES 308619:94CZG nidx=null parent=BFLFD]
 + Phalaena (Tinea) goedartella Linnaeus, 1758 [SYNONYM SPECIES 308968:BRCXH nidx=null parent=BFLFD]
Phalium (Kahua) skinneri
 - Phalium (Kahua) skinneri Marwick, 1928 [SYNONYM SPECIES 308619:CQW7D nidx=null parent=4WG8P]
 + Phalium (Kahua) skinneri Marwick, 1928 [SYNONYM SPECIES 308968:KTDNM nidx=null parent=4WG8P]
Phallorthidae
 - Phallorthidae Chamberlin, 1952 [SYNONYM SUBFAMILY 308619:BG5L9 nidx=null parent=7NL4X]
 + Phallorthidae Chamberlin, 1952 [SYNONYM FAMILY 308968:KTDP6 nidx=null parent=7NL4X]
Phanaeus lautus
 - Phanaeus lautus MacLeay, 1819 [SYNONYM SPECIES 308619:7Y4LS nidx=null parent=7ZQ4T]
 + Phanaeus lautus MacLeay, 1819 [SYNONYM SPECIES 308968:4FSMT nidx=null parent=7ZQ4T]
Phanaeus panamensis
 - Phanaeus panamensis Moctezuma & Halffter, 2021 [SYNONYM SPECIES 308619:9XLB4 nidx=null parent=874GF]
 + Phanaeus panamensis Moctezuma & Halffter, 2021 [ACCEPTED SPECIES 308968:874GT nidx=null]
Phegopteridinae
 - Phegopteridinae Ching [SYNONYM UNRANKED 308619:BW5JP nidx=null parent=B8X46]
 - Phegopteridinae Rouy [SYNONYM UNRANKED 308619:BW5JQ nidx=null parent=B8X46]
 + Phegopteridinae Ching [SYNONYM SUBTRIBE 308968:KTF4P nidx=null parent=B8X46]
 + Phegopteridinae Rouy [SYNONYM SUBTRIBE 308968:KTF4Q nidx=null parent=B8X46]
Philbertia (Nannodiella) fraternalis
 - Philbertia (Nannodiella) fraternalis Dall, 1919 [SYNONYM SPECIES 308619:CSWZV nidx=null parent=6RSJX]
 + Philbertia (Nannodiella) fraternalis Dall, 1919 [SYNONYM SPECIES 308968:KTFLJ nidx=null parent=6RSJX]
Philinta flava
 - Philinta flava Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3Y23 nidx=null]
 + Philinta flava Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JVGQ nidx=null]
Philonotis angustissima
 - Philonotis angustissima Müll. Hal. ex Tixier [SYNONYM SPECIES 308619:9MYHK nidx=null parent=4G9JT]
 + Philonotis angustissima Paris ex Tixier [SYNONYM SPECIES 308968:DNT8W nidx=null parent=4G9JT]
Philonotis gemmascens
 - Philonotis gemmascens (Müll. Hal.) Kindb. [ACCEPTED SPECIES 308619:9KMTR nidx=null]
 + Philonotis gemmascens (Müll. Hal.) Müll. Hal. [ACCEPTED SPECIES 308968:KTBGG nidx=null]
Philonotis tricolor
 - Philonotis tricolor (Müll. Hal.) Kindb. [ACCEPTED SPECIES 308619:9KMV9 nidx=null]
 + Philonotis tricolor (Müll. Hal.) Müll. Hal. [ACCEPTED SPECIES 308968:KTBGK nidx=null]
Phimenes curvatus
 - Phimenes curvatus (de Saussure, 1856) [ACCEPTED SPECIES 308619:CBSWG nidx=null]
 + Phimenes curvatus (de Saussure, 1856) [ACCEPTED SPECIES 308968:KTBP5 nidx=null]
Phimenes solomonis
 - Phimenes solomonis (Vecht, 1959) [ACCEPTED SPECIES 308619:CVHZC nidx=null]
 + Phimenes solomonis (Vecht, 1959) [ACCEPTED SPECIES 308968:KTBPR nidx=null]
Phlepsius palustris
 - Phlepsius palustris Sanders & DeLong, 1923 [SYNONYM SPECIES 308619:CVJ7T nidx=null parent=8KKHD]
 + Phlepsius palustris Sanders & DeLong, 1923 [SYNONYM SPECIES 308968:KTBVZ nidx=null parent=8KKHD]
Phora gigantea
 - Phora gigantea Enderlein, 1912 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3Y2M nidx=null]
 + Phora gigantea Enderlein, 1912 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JVHG nidx=null]
Phormospyris
 - Phormospyris [ACCEPTED GENUS 308619:6P2W nidx=null]
 + Phormospyris Haeckel, 1881 [ACCEPTED GENUS 308968:KTCVJ nidx=null]
Phormostichoartus
 - Phormostichoartus [ACCEPTED GENUS 308619:6P2X nidx=null]
 + Phormostichoartus Campbell, 1951 [ACCEPTED GENUS 308968:KSSRW nidx=null]
Phyllonorycter anderidae
 - Phyllonorycter anderidae (W. Fletcher, 1885) [ACCEPTED SPECIES 308619:4H836 nidx=null]
 + Phyllonorycter anderidae (W. Fletcher, 1885) [ACCEPTED SPECIES 308968:DJ85W nidx=null]
Physematieae
 - Physematieae J.Sm. [SYNONYM UNRANKED 308619:BW5JN nidx=null parent=B8VGN]
 + Physematieae J.Sm. [SYNONYM TRIBE 308968:KTFH2 nidx=null parent=B8VGN]
Pilulariales
 - Pilulariales Bercht. & J.Presl [SYNONYM UNRANKED 308619:B8WM9 nidx=null parent=B8V7S]
 + Pilulariales Bercht. & J.Presl [SYNONYM ORDER 308968:KTC4N nidx=null parent=B8V7S]
Pinnotheres monodactylum
 - Pinnotheres monodactylum Say, 1818 [SYNONYM SPECIES 308619:7Y7YC nidx=null parent=84H9L]
 + Pinnotheres monodactylum Say, 1818 [SYNONYM SPECIES 308968:4HZ7P nidx=null parent=84H9L]
Piophila senescens
 - Piophila senescens Melander & Spuler, 1917 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3Y67 nidx=null]
 + Piophila senescens Melander & Spuler, 1917 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JVTT nidx=null]
Plagiacantha
 - Plagiacantha [ACCEPTED GENUS 308619:6R7S nidx=null]
 + Plagiacantha Claparède, 1858 [ACCEPTED GENUS 308968:KTDKN nidx=null]
Plagiogyriidae
 - Plagiogyriidae Doweld [SYNONYM UNRANKED 308619:BW52B nidx=null parent=B8V49]
 + Plagiogyriidae Doweld [SYNONYM SUBCLASS 308968:KTDPS nidx=null parent=B8V49]
Plagioporus (Plagioporus) interruptus
 - Plagioporus (Plagioporus) interruptus Manter, 1954 [SYNONYM SPECIES 308619:CSVKY nidx=null parent=7TXZN]
 + Plagioporus (Plagioporus) interruptus Manter, 1954 [SYNONYM SPECIES 308968:KTDQD nidx=null parent=7TXZN]
Plagioporus (Plagioporus) maorum
 - Plagioporus (Plagioporus) maorum Allison, 1966 [SYNONYM SPECIES 308619:CVKZT nidx=null parent=6S7ZW]
 + Plagioporus (Plagioporus) maorum Allison, 1966 [SYNONYM SPECIES 308968:KTDQF nidx=null parent=6S7ZW]
Plagioporus lobatus
 - Plagioporus lobatus (Yamaguti, 1934) Manter, 1947 [SYNONYM SPECIES 308619:CVKZV nidx=null parent=3ZZTS]
 + Plagioporus lobatus (Yamaguti, 1934) Manter, 1947 [SYNONYM SPECIES 308968:KTDQG nidx=null parent=3ZZTS]
Plagiothecium denticulatum var. schaueri
 - Plagiothecium denticulatum var. schaueri Schiffn. [SYNONYM VARIETY 308619:9VT7Q nidx=null parent=77MT3]
 + Plagiothecium denticulatum var. schaueri E. Bauer [SYNONYM VARIETY 308968:KTDQW nidx=null parent=77MT3]
Planorbis (Coretus) cornu mantelli
 - Planorbis (Coretus) cornu mantelli Dunker, 1848 [SYNONYM SUBSPECIES 308619:CSVY8 nidx=null parent=4JKJK]
 + Planorbis (Coretus) cornu mantelli Dunker, 1848 [SYNONYM SUBSPECIES 308968:KTDYW nidx=null parent=4JKJK]
Platyceriinae
 - Platyceriinae Diels [SYNONYM UNRANKED 308619:BW5LN nidx=null parent=B8X47]
 + Platyceriinae Diels [SYNONYM SUBTRIBE 308968:KTFHN nidx=null parent=B8X47]
Platypleura kampferi
 - Platypleura kampferi (Matsumura, 1913) [SYNONYM SPECIES 308619:8JCD3 nidx=null parent=7FZJN]
 + Platypleura kampferi (Fabricius, 1794) [SYNONYM SPECIES 308968:KTG65 nidx=null parent=CL3M3]
Platyzomateae
 - Platyzomateae (Nakai) R.M.Tryon & A.F.Tryon [SYNONYM UNRANKED 308619:BDJHC nidx=null parent=BV8QP]
 + Platyzomateae (Nakai) R.M.Tryon & A.F.Tryon [SYNONYM TRIBE 308968:KTGD6 nidx=null parent=BV8QP]
Plectogyra exelikta var. exelikta
 - Plectogyra exelikta var. exelikta [SYNONYM VARIETY 308619:BPSYB nidx=null parent=839CP]
 + Plectogyra exelikta var. exelikta Conil & Lys, 1964 [SYNONYM VARIETY 308968:KTBZH nidx=null parent=839CP]
Plectopyramis
 - Plectopyramis [ACCEPTED GENUS 308619:6SB8 nidx=null]
 + Plectopyramis Haeckel, 1881 [ACCEPTED GENUS 308968:KTC33 nidx=null]
Pleopeltideae
 - Pleopeltideae V.N.Tu [SYNONYM UNRANKED 308619:BW5HX nidx=null parent=B8X4C]
 + Pleopeltideae V.N.Tu [SYNONYM TRIBE 308968:KTC5J nidx=null parent=B8X4C]
Pleopeltidoideae
 - Pleopeltidoideae B.K.Nayar [SYNONYM UNRANKED 308619:B8X49 nidx=null parent=B8X4C]
 + Pleopeltidoideae B.K.Nayar [SYNONYM SUBFAMILY 308968:KTC5K nidx=null parent=B8X4C]
Pleurocapsales
 - Pleurocapsales Cavalier-Smith, 2002 [SYNONYM ORDER 308619:CSSVF nidx=null parent=CNKDF]
 + Pleurocapsales Geitler [SYNONYM ORDER 308968:KTCJM nidx=null parent=DQ5KP]
Pleurogenes sitapurii
 - Pleurogenes sitapurii Srivastava, 1934 [SYNONYM SPECIES 308619:8K3WT nidx=null parent=84CDL]
 + Pleurogenes sitapurii Srivastava, 1934 [SYNONYM SPECIES 308968:84CD4 nidx=null parent=84CDL]
Pleurogrammeae
 - Pleurogrammeae Pfeiff. [SYNONYM UNRANKED 308619:BW5LJ nidx=null parent=B8X3J]
 + Pleurogrammeae Pfeiff. [SYNONYM TRIBE 308968:KTCKX nidx=null parent=B8X3J]
Pleuroschisma trilobatum f. depauperatum
 - Pleuroschisma trilobatum f. depauperatum (Müll. Frib.) P. Allorge [SYNONYM FORM 308619:9TCHH nidx=null parent=5MJCL]
 + Pleuroschisma trilobatum f. depauperatum (Müll. Frib.) Fam. [SYNONYM FORM 308968:KTCWN nidx=null parent=5MJCL]
Pleurosoriopsidaceae
 - Pleurosoriopsidaceae Sa.Kurata & Ikebe ex Ching [SYNONYM UNRANKED 308619:B8WY3 nidx=null parent=B8TXC]
 + Pleurosoriopsidaceae Sa.Kurata & Ikebe ex Ching [SYNONYM FAMILY 308968:KTCX5 nidx=null parent=B8TXC]
Pleurotoma (Borsonia) hooveri
 - Pleurotoma (Borsonia) hooveri Arnold, 1903 [SYNONYM SPECIES 308619:CST8W nidx=null parent=MLHQ]
 + Pleurotoma (Borsonia) hooveri Arnold, 1903 [SYNONYM SPECIES 308968:KTCYM nidx=null parent=MLHQ]
Pleurotoma (Clavus) interstrigata
 - Pleurotoma (Clavus) interstrigata E. A. Smith, 1882 [SYNONYM SPECIES 308619:CQV8G nidx=null parent=5WSJ8]
 + Pleurotoma (Clavus) interstrigata E. A. Smith, 1882 [SYNONYM SPECIES 308968:KTCYQ nidx=null parent=5WSJ8]
Plocamia karykinos
 - Plocamia karykinos de Laubenfels, 1927 [SYNONYM SPECIES 308619:CVKCN nidx=null parent=67CMV]
 + Plocamia karykinos de Laubenfels, 1927 [SYNONYM SPECIES 308968:KTD6L nidx=null parent=67CMV]
Plusia l-aureum
 - Plusia l-aureum Freyer, 1831 [SYNONYM SPECIES 308619:BRD4F nidx=null parent=92YXS]
 + Plusia l-aureum Freyer, 1831 [SYNONYM SPECIES 308968:9837Q nidx=null parent=92YXS]
Poecilimon (Poecilimon) celebi
 - Poecilimon (Poecilimon) celebi Karabag, 1953 [ACCEPTED SPECIES 308619:CQWDB nidx=null]
 + Poecilimon (Poecilimon) celebi Karabag, 1953 [ACCEPTED SPECIES 308968:KTDST nidx=null]
Poecilimon (Poecilimon) syriacus
 - Poecilimon (Poecilimon) syriacus Brunner von Wattenwyl, 1891 [ACCEPTED SPECIES 308619:4KSLM nidx=null]
 + Poecilimon (Poecilimon) syriacus Brunner von Wattenwyl, 1891 [ACCEPTED SPECIES 308968:KTDTF nidx=null]
Pogonatum tenue
 - Pogonatum tenue Menzies ex Rau & Herv. [SYNONYM SPECIES 308619:9SRHT nidx=null parent=9KNQK]
 + Pogonatum tenue Rau & Herv. [SYNONYM SPECIES 308968:CW67W nidx=null parent=9KNQK]
Pohlia longicolla f. longiseta
 - Pohlia longicolla f. longiseta Matousch. [SYNONYM FORM 308619:9WDRT nidx=null parent=4KWJS]
 + Pohlia longicolla f. longiseta (Matousch.) Podp. [SYNONYM FORM 308968:KTF63 nidx=null parent=4KWJS]
Polydesmus sallei
 - Polydesmus sallei DeSaussure, 1860 [SYNONYM SPECIES 308619:935LY nidx=null parent=994CQ]
 + Polydesmus sallei DeSaussure, 1860 [SYNONYM SPECIES 308968:4L5T6 nidx=null parent=994CQ]
Polydesmus tarascus
 - Polydesmus tarascus De Saussure, 1860 [SYNONYM SPECIES 308619:6W4HS nidx=null parent=YFX5]
 + Polydesmus tarascus De Saussure, 1860 [SYNONYM SPECIES 308968:6VSHS nidx=null parent=YFX5]
Polymastia mammillaris rara
 - Polymastia mammillaris rara Koltun, 1966 [SYNONYM SUBSPECIES 308619:CVMC5 nidx=null parent=4LB38]
 + Polymastia mammillaris rara Koltun, 1966 [SYNONYM SUBSPECIES 308968:KTG88 nidx=null parent=4LB38]
Polypedilum (Polypedilum) pavidum
 - Polypedilum (Polypedilum) pavidum (Hutton, 1902) [ACCEPTED SPECIES 308619:8DGB5 nidx=null]
 + Polypedilum (Polypedilum) pavidum (Hutton, 1902) [ACCEPTED SPECIES 308968:6VTSK nidx=null]
Polypedilum (Polypedilum) pharao
 - Polypedilum (Polypedilum) pharao Kieffer, 1925 [ACCEPTED SPECIES 308619:CKNW8 nidx=null]
 + Polypedilum (Polypedilum) pharao Kieffer, 1925 [ACCEPTED SPECIES 308968:KTCWP nidx=null]
Polypedilum (Polypedilum) pruinosum
 - Polypedilum (Polypedilum) pruinosum Goetghebuer, 1934 [ACCEPTED SPECIES 308619:CST22 nidx=null]
 + Polypedilum (Polypedilum) pruinosum Goetghebuer, 1934 [ACCEPTED SPECIES 308968:KTCWQ nidx=null]
Polypodiaceae
 - Polypodiaceae J.Presl & C.Presl [SYNONYM UNRANKED 308619:BV82P nidx=null parent=B8X4C]
 + Polypodiaceae J.Presl & C.Presl [SYNONYM FAMILY 308968:KTBGH nidx=null parent=B8X4C]
Polypodieae
 - Polypodieae Hook. & Lindl. ex Duby [SYNONYM UNRANKED 308619:CKNXY nidx=null parent=B8X4C]
 + Polypodieae Hook. & Lindl. ex Duby [SYNONYM TRIBE 308968:KTCY6 nidx=null parent=B8X4C]
Polypodiidae
 - Polypodiidae Cronquist, Takht. & Zimmerm. [SYNONYM UNRANKED 308619:BV893 nidx=null parent=B8X4C]
 + Polypodiidae Cronquist, Takht. & Zimmerm. [SYNONYM SUBCLASS 308968:KTCY7 nidx=null parent=B8X4C]
Polypodiinae
 - Polypodiinae Dumort. [SYNONYM UNRANKED 308619:BW5KV nidx=null parent=B8TXB]
 + Polypodiinae Dumort. [SYNONYM SUBTRIBE 308968:KTCY8 nidx=null parent=B8TXB]
Polypodiineae
 - Polypodiineae Bessey [SYNONYM UNRANKED 308619:BVG6G nidx=null parent=B8X4C]
 + Polypodiineae Bessey [SYNONYM SUBORDER 308968:KTCY9 nidx=null parent=B8X4C]
Polypodiophyta
 - Polypodiophyta Cronquist, Takht. & Zimmerm. [SYNONYM UNRANKED 308619:BVL8W nidx=null parent=B8TXB]
 + Polypodiophyta Cronquist, Takht. & Zimmerm. [SYNONYM PHYLUM 308968:KTCYB nidx=null parent=B8TXB]
Polypodiophytina
 - Polypodiophytina Reveal [SYNONYM UNRANKED 308619:BV847 nidx=null parent=B8TXB]
 + Polypodiophytina Reveal [SYNONYM SUBPHYLUM 308968:KTCYC nidx=null parent=B8TXB]
Polypodiopsida
 - Polypodiopsida Cronquist, Takht. & Zimmerm. [SYNONYM UNRANKED 308619:BV83L nidx=null parent=B8TXB]
 + Polypodiopsida Cronquist, Takht. & Zimmerm. [SYNONYM CLASS 308968:KTBGJ nidx=null parent=B8TXB]
Polysticheae
 - Polysticheae Tod. [SYNONYM UNRANKED 308619:BW5HV nidx=null parent=B8X3F]
 + Polysticheae Tod. [SYNONYM TRIBE 308968:KTDBW nidx=null parent=B8X3F]
Polystichum hagiangense
 - Polystichum hagiangense [ACCEPTED SPECIES 308619:BB5LV nidx=null]
 + Polystichum hagiangense N.T.Lu, Liang Zhang & L.-B.Zhang [ACCEPTED SPECIES 308968:KTDCW nidx=null]
Polystichum lonchitis f. marginale
 - Polystichum lonchitis f. marginale Mc Coll [SYNONYM FORM 308619:BDBWB nidx=null parent=B9MFC]
 + Polystichum lonchitis f. marginale McColl [SYNONYM FORM 308968:CW7PB nidx=null parent=B9MFC]
Pomponia linearis linearis
 - Pomponia linearis linearis Metcalf, 1963 non Walker, 1850 [SYNONYM SUBSPECIES 308619:8JJRH nidx=null parent=B72FK]
 + Pomponia linearis linearis (Walker, 1850) [SYNONYM SUBSPECIES 308968:KTDNX nidx=null parent=77VZM]
Porella caespitans
 - Porella caespitans (Steph.) S. Hatt. [ACCEPTED SPECIES 308619:4LWPR nidx=null]
 + Porella caespitans (Steph.) P. Syd. [ACCEPTED SPECIES 308968:KTDY6 nidx=null]
Porella chinensis
 - Porella chinensis (Steph.) S. Hatt. [ACCEPTED SPECIES 308619:4LWQ2 nidx=null]
 + Porella chinensis (Steph.) P. Syd. [ACCEPTED SPECIES 308968:KTDY7 nidx=null]
Porella densifolia
 - Porella densifolia (Steph.) S. Hatt. [ACCEPTED SPECIES 308619:4LWQC nidx=null]
 + Porella densifolia (Steph.) P. Syd. [ACCEPTED SPECIES 308968:KTDY9 nidx=null]
Porella nitens
 - Porella nitens (Steph.) S. Hatt. [ACCEPTED SPECIES 308619:4LWRG nidx=null]
 + Porella nitens (Steph.) P. Syd. [ACCEPTED SPECIES 308968:KTDYB nidx=null]
Praealveolina cretacea var. cretacea
 - †Praealveolina cretacea var. cretacea [ACCEPTED VARIETY 308619:BQ7LM nidx=null]
 + Praealveolina cretacea var. cretacea Reichel, 1936 [ACCEPTED VARIETY 308968:KTG5R nidx=null]
Prochloraceae
 - Prochloraceae (ex Lewin, 1977) Florenzano et al. 1986 [SYNONYM FAMILY 308619:CSYS2 nidx=null parent=CP3FW]
 + Prochloraceae R.A. Lewin [ACCEPTED FAMILY 308968:KTH2J nidx=null]
Prochloron
 - Prochloron (ex Lewin, 1977) Florenzano et al. 1986 [ACCEPTED GENUS 308619:CSYSF nidx=null]
 + Prochloron R.A. Lewin [ACCEPTED GENUS 308968:DQ5KL nidx=null]
Procladius (Holotanypus) incomptus
 - Procladius (Holotanypus) incomptus (Walker, 1856) [ACCEPTED SPECIES 308619:8DGSL nidx=null]
 + Procladius (Holotanypus) incomptus (Walker, 1856) [ACCEPTED SPECIES 308968:4MNP5 nidx=null]
Procris schutzei
 - Procris schutzei (Alberti, 1940) [SYNONYM SPECIES 308619:BRD9Y nidx=null parent=943WY]
 + Procris schutzei (Alberti, 1940) [SYNONYM SPECIES 308968:984D9 nidx=null parent=943WY]
Profusulinella (Depratina) subovata
 - Profusulinella (Depratina) subovata Safonova in Rauzer-Chernousova et al., 1951 [SYNONYM SPECIES 308619:CVKN7 nidx=null parent=83MPW]
 + Profusulinella (Depratina) subovata Safonova in Rauzer-Chernousova et al., 1951 [SYNONYM SPECIES 308968:KTDFP nidx=null parent=83MPW]
Proleptonchus saccatus
 - Proleptonchus saccatus Goseco, Ferris & Ferris, 1981 [SYNONYM SPECIES 308619:8SF9D nidx=null parent=8SLNZ]
 + Proleptonchus saccatus (Clark, 1962) Andrássy, 1963 [ACCEPTED SPECIES 308968:8GHD8 nidx=null]
Proscutum elongatum
 - †Proscutum elongatum (Deshayes, 1861) [ACCEPTED SPECIES 308619:8YNR8 nidx=null]
 + Proscutum elongatum (Lamarck, 1803) [ACCEPTED SPECIES 308968:KTDR5 nidx=null]
Prosturmina
 - Prosturmina Mesnil, 1951 [SYNONYM GENUS 308619:CVLHN nidx=null parent=BYC3P]
 + Prosturmina Mesnil, 1949 [SYNONYM GENUS 308968:KTF43 nidx=null parent=BYC3P]
 + Prosturmina Mesnil, 1951 [SYNONYM GENUS 308968:KTF44 nidx=null parent=BYC3P]
Protalebra (Protalebra) vexillifera
 - Protalebra (Protalebra) vexillifera Baker, 1899 [SYNONYM SPECIES 308619:CSW5J nidx=null parent=6SJXH]
 + Protalebra (Protalebra) vexillifera Baker, 1899 [SYNONYM SPECIES 308968:KTF5F nidx=null parent=6SJXH]
Protaphis centaurea
 - Protaphis centaurea [ACCEPTED SPECIES 308619:4N26H nidx=null]
 + Protaphis centaurea (Menor y Ortega, 1950) [SYNONYM SPECIES 308968:KTF7C nidx=null parent=8PJ4P]
Protaphis ignatii
 - Protaphis ignatii [ACCEPTED SPECIES 308619:4N276 nidx=null]
 + Protaphis ignatii (Gómez-Menor Ortega, 1950) [ACCEPTED SPECIES 308968:KTF7D nidx=null]
Proterorhynchus argentinus
 - Proterorhynchus argentinus Brèthes, 1912 [SYNONYM SPECIES 308619:8CNJN nidx=null parent=C2SPK]
 + Proterorhynchus argentinus Brèthes, 1912 [SYNONYM SPECIES 308968:4N3MH nidx=null parent=C2SPK]
Protomyia fusca
 - †Protomyia fusca Oustalet, 1870 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YDJ nidx=null]
 + Protomyia fusca Oustalet, 1870 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JW6S nidx=null]
Pseudelma (Pseudelma)
 - Pseudelma (Pseudelma) Kobelt, 1904 [SYNONYM SUBGENUS 308619:CRYB7 nidx=null parent=7PDQR]
 + Pseudelma (Pseudelma) Kobelt, 1904 [SYNONYM SUBGENUS 308968:KSSWH nidx=null parent=7PDQR]
Pseudisolabis kosswigi
 - Pseudisolabis kosswigi Hincks, 1947 [SYNONYM SPECIES 308619:4NNQM nidx=null parent=6N9FV]
 + Pseudisolabis kosswigi Burr, 1947 [SYNONYM SPECIES 308968:KTGWF nidx=null parent=6N9FV]
Pseudocyclosorinae
 - Pseudocyclosorinae Ching [SYNONYM UNRANKED 308619:BW5L4 nidx=null parent=B8X4T]
 + Pseudocyclosorinae Ching [SYNONYM SUBTRIBE 308968:KTH5M nidx=null parent=B8X4T]
Pseudoechinorhynchus lenoki
 - Pseudoechinorhynchus lenoki (Achmerov & Dombrovskaja-Achmerova, 1941) [SYNONYM SPECIES 308619:CMPZY nidx=null parent=6DWQP]
 + Pseudoechinorhynchus lenoki (Achmerov & Dombrovskaja-Achmerova, 1941) [SYNONYM SPECIES 308968:KTH69 nidx=null parent=6DWQP]
Pseudofentonia (Dymantis) tiga
 - Pseudofentonia (Dymantis) tiga Schintlmeister, 1997 [SYNONYM SPECIES 308619:BMWFS nidx=null parent=96LT9]
 + Pseudofentonia (Dymantis) tiga Schintlmeister, 1997 [SYNONYM SPECIES 308968:6WFWQ nidx=null parent=96LT9]
Pseudofentonia (Eufentonia) emiror
 - Pseudofentonia (Eufentonia) emiror Schintlmeister, 1989 [SYNONYM SPECIES 308619:BMWFP nidx=null parent=C4MJT]
 + Pseudofentonia (Eufentonia) emiror Schintlmeister, 1989 [SYNONYM SPECIES 308968:78G8L nidx=null parent=C4MJT]
Pseudohormomyia orientalis
 - Pseudohormomyia orientalis Rao, 1956 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YDW nidx=null]
 + Pseudohormomyia orientalis Rao, 1956 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JW8M nidx=null]
Pseudokuzicus (Pseudokuzicus)
 - Pseudokuzicus (Pseudokuzicus) Gorochov, 1993 [ACCEPTED SUBGENUS 308619:CV7WJ nidx=null]
 + Pseudokuzicus (Pseudokuzicus) Gorochov, 1993 [ACCEPTED SUBGENUS 308968:KSZVY nidx=null]
Pseudoschwagerina (Zellia) heritschi var. heritschi
 - Pseudoschwagerina (Zellia) heritschi var. heritschi [SYNONYM VARIETY 308619:BQ7TN nidx=null parent=83W9L]
 + Pseudoschwagerina (Zellia) heritschi var. heritschi Kahler & Kahler, 1937 [SYNONYM VARIETY 308968:KTGK3 nidx=null parent=83W9L]
Pseudosinella suboculata
 - Pseudosinella suboculata Bonet, F, 1931 [ACCEPTED SPECIES 308619:CVML4 nidx=null]
 + Pseudosinella suboculata Arbea, JI, Baquero, E, Beruete, E, Pérez Fernández, T & Jordana, R, 2021 [AMBIGUOUS_SYNONYM SPECIES 308968:KTGKW nidx=null parent=4PB7V]
 + Pseudosinella suboculata Arbea, JI, 2017 [AMBIGUOUS_SYNONYM SPECIES 308968:KTGKX nidx=null parent=8YY89]
 + Pseudosinella suboculata Bonet, 1931 [AMBIGUOUS_SYNONYM SPECIES 308968:KTGKY nidx=null parent=4PB7V]
 + Pseudosinella suboculata Bonet, F, 1931 [ACCEPTED SPECIES 308968:KTGKZ nidx=null]
Pseudosphegina dichoptica
 - †Pseudosphegina dichoptica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YF8 nidx=null]
 + Pseudosphegina dichoptica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWB2 nidx=null]
Psila (Psila) hennigi
 - Psila (Psila) hennigi (Thompson & Pont, 1994) [ACCEPTED SPECIES 308619:8DJHJ nidx=null]
 + Psila (Psila) hennigi (Thompson & Pont, 1994) [ACCEPTED SPECIES 308968:4PG6X nidx=null]
Psilopus ducalis
 - Psilopus ducalis Rondani, 1850 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFC nidx=null]
 + Psilopus ducalis Rondani, 1850 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWG8 nidx=null]
Psilopus gemmatus
 - Psilopus gemmatus Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFD nidx=null]
 + Psilopus gemmatus Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWGB nidx=null]
Psilopus leiopus
 - Psilopus leiopus Doleschall, 1856 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFF nidx=null]
 + Psilopus leiopus Doleschall, 1856 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWGH nidx=null]
Psilopus nitidus
 - Psilopus nitidus Walker, 1852 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFG nidx=null]
 + Psilopus nitidus Walker, 1852 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWGK nidx=null]
Psilopus palmetorum
 - Psilopus palmetorum Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFH nidx=null]
 + Psilopus palmetorum Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWGM nidx=null]
Psilopus restrictus
 - Psilopus restrictus Hutton, 1901 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFK nidx=null]
 + Psilopus restrictus Hutton, 1901 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWGV nidx=null]
Psilopus saphirus
 - Psilopus saphirus Bigot, 1858 [SYNONYM SPECIES 308619:8D6F6 nidx=null parent=9H8MR]
 + Psilopus saphirus Bigot, 1858 [SYNONYM SPECIES 308968:4PJGL nidx=null parent=9H8MR]
Psilosciara delphinii
 - Psilosciara delphinii Séguy, 1961 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFL nidx=null]
 + Psilosciara delphinii Séguy, 1961 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWH5 nidx=null]
Psilota tabidosa
 - †Psilota tabidosa Scudder, 1890 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFM nidx=null]
 + Psilota tabidosa Scudder, 1890 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWH7 nidx=null]
Psiloteae
 - Psiloteae Willk. [SYNONYM UNRANKED 308619:BV8MH nidx=null parent=B8V4H]
 + Psiloteae Willk. [SYNONYM TRIBE 308968:KTGZB nidx=null parent=B8V4H]
Psilotineae
 - Psilotineae Engl. [SYNONYM UNRANKED 308619:BW5HZ nidx=null parent=B8V4H]
 + Psilotineae Engl. [SYNONYM SUBORDER 308968:KTGZD nidx=null parent=B8V4H]
Psilotophyta
 - Psilotophyta Heintze [SYNONYM UNRANKED 308619:BW2JP nidx=null parent=B8V4H]
 + Psilotophyta Heintze [SYNONYM PHYLUM 308968:KTGZF nidx=null parent=B8V4H]
Psilotophytina
 - Psilotophytina Tippo ex Reveal [SYNONYM UNRANKED 308619:BW4NT nidx=null parent=B8V4H]
 + Psilotophytina Tippo ex Reveal [SYNONYM SUBPHYLUM 308968:KTGZG nidx=null parent=B8V4H]
Psilotopsida
 - Psilotopsida D.H.Scott [SYNONYM UNRANKED 308619:CKRPX nidx=null parent=B8V4H]
 + Psilotopsida D.H.Scott [SYNONYM CLASS 308968:KTGZH nidx=null parent=B8V4H]
Psychrophrynella quimsacruzis
 - Psychrophrynella quimsacruzis (De la Riva, Reichle & Bosch in De la Riva, 2007) [SYNONYM SPECIES 308619:CSZ9Y nidx=null parent=42XFH]
 + Psychrophrynella quimsacruzis (De la Riva, Reichle & Bosch in De la Riva, 2007) [SYNONYM SPECIES 308968:KTH6M nidx=null parent=42XFH]
Pteridaceae
 - Pteridaceae Reichenb. [SYNONYM UNRANKED 308619:B8V4R nidx=null parent=B8V4Q]
 + Pteridaceae Reichenb. [SYNONYM FAMILY 308968:KTBGL nidx=null parent=B8V4Q]
Pterideae
 - Pterideae J.Sm. [SYNONYM UNRANKED 308619:BW4P9 nidx=null parent=BV8QP]
 + Pterideae J.Sm. [SYNONYM TRIBE 308968:KTHBQ nidx=null parent=BV8QP]
Pterididae
 - Pterididae Schmakov [SYNONYM UNRANKED 308619:BW52C nidx=null parent=BV8QP]
 + Pterididae Schmakov [SYNONYM SUBCLASS 308968:KTHBR nidx=null parent=BV8QP]
Pteridinae
 - Pteridinae Payer [SYNONYM UNRANKED 308619:BW5L7 nidx=null parent=BV8QP]
 + Pteridinae Payer [SYNONYM SUBTRIBE 308968:KTHBS nidx=null parent=BV8QP]
Pterocanium
 - Pterocanium [ACCEPTED GENUS 308619:74N5 nidx=null]
 + Pterocanium Ehrenberg, 1847 [ACCEPTED GENUS 308968:KTHF5 nidx=null]
Ptilidium ciliare f. viride
 - Ptilidium ciliare f. viride Schiffn. [SYNONYM FORM 308619:9V2P3 nidx=null parent=4Q7M8]
 + Ptilidium ciliare f. viride E. Bauer [SYNONYM FORM 308968:KTHSK nidx=null parent=4Q7M8]
Ptilomera (Proptilomera) himalayensis
 - Ptilomera (Proptilomera) himalayensis Hungerford & Matsuda, 1958 [ACCEPTED SPECIES 308619:7WPB2 nidx=null]
 + Ptilomera (Proptilomera) himalayensis Hungerford & Matsuda, 1958 [ACCEPTED SPECIES 308968:4Q87S nidx=null]
Ptilozeuxia termitoxena
 - Ptilozeuxia termitoxena Silvestri, 1903 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YN5 nidx=null]
 + Ptilozeuxia termitoxena Silvestri, 1903 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWJF nidx=null]
Pulchrapsyra
 - Pulchrapsyra [ACCEPTED GENUS 308619:CCHZQ nidx=null]
 + Pulchrapsyra Tan, Liu & Ingrisch, 2024 [ACCEPTED GENUS 308968:KTFJT nidx=null]
Pyloniidae
 - Pyloniidae [ACCEPTED FAMILY 308619:FFX nidx=null]
 + Pyloniidae Haeckel, 1881 [ACCEPTED FAMILY 308968:KTG9W nidx=null]
Pylospira
 - Pylospira [ACCEPTED GENUS 308619:75WK nidx=null]
 + Pylospira Haeckel, 1887 [ACCEPTED GENUS 308968:KTG9Z nidx=null]
Quinqueloculina indigena var. indigena
 - Quinqueloculina indigena var. indigena [SYNONYM VARIETY 308619:BQ7ZB nidx=null parent=83G6C]
 + Quinqueloculina indigena var. indigena Didkovskiy, 1961 [SYNONYM VARIETY 308968:KTH5T nidx=null parent=83G6C]
Recilia (Togacephalus) latifrons
 - Recilia (Togacephalus) latifrons (Matsumura, 1902) [SYNONYM SPECIES 308619:CMRLN nidx=null parent=8RLV8]
 + Recilia (Togacephalus) latifrons (Matsumura, 1902) [SYNONYM SPECIES 308968:KTJ46 nidx=null parent=8RLV8]
Rhabdotylus planiventris
 - Rhabdotylus planiventris (Wiedemann, 1828) [ACCEPTED SPECIES 308619:92WRF nidx=null]
 + Rhabdotylus planiventris (Wiedemann, 1828) [ACCEPTED SPECIES 308968:8DKZ3 nidx=null]
Rhaetofungivora perrecticulata
 - †Rhaetofungivora perrecticulata Rohdendorf, 1964 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YQR nidx=null]
 + Rhaetofungivora perrecticulata Rohdendorf, 1964 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWM2 nidx=null]
Rhagio bicolor
 - Rhagio bicolor Fabricius, 1794 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YQS nidx=null]
 + Rhagio bicolor Fabricius, 1794 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWM5 nidx=null]
Rhamphomyia (Holoclera) flava
 - Rhamphomyia (Holoclera) flava (Fallén, 1816) [ACCEPTED SPECIES 308619:8DLBY nidx=null]
 + Rhamphomyia (Holoclera) flava (Fallén, 1816) [ACCEPTED SPECIES 308968:4S2XW nidx=null]
Rhamphomyia (Pararhamphomyia) bifasciata
 - Rhamphomyia (Pararhamphomyia) bifasciata (Rossi, 1794) [ACCEPTED SPECIES 308619:8DLJN nidx=null]
 + Rhamphomyia (Pararhamphomyia) bifasciata (Rossi, 1794) [ACCEPTED SPECIES 308968:4S2T4 nidx=null]
Rhamphomyia (Rhamphomyia) janovensis
 - Rhamphomyia (Rhamphomyia) janovensis Barták, 1981 [ACCEPTED SPECIES 308619:8DLSC nidx=null]
 + Rhamphomyia (Rhamphomyia) janovensis Barták, 1981 [ACCEPTED SPECIES 308968:4S32T nidx=null]
Rhodobryum minutirosatum
 - Rhodobryum minutirosatum (Müll. Hal.) Paris [SYNONYM SPECIES 308619:9SW2K nidx=null parent=9JXG2]
 + Rhodobryum minutirosatum (Müll. Hal.) Müll. Hal. [SYNONYM SPECIES 308968:KTHFZ nidx=null parent=9JXG2]
Rhodobryum rosulatulum
 - Rhodobryum rosulatulum (Müll. Hal.) Paris [SYNONYM SPECIES 308619:9SW3D nidx=null parent=4TFSM]
 + Rhodobryum rosulatulum (Müll. Hal.) Müll. Hal. [SYNONYM SPECIES 308968:KTHG2 nidx=null parent=4TFSM]
Rhodobryum spathulosifolium
 - Rhodobryum spathulosifolium (Müll. Hal.) Paris [SYNONYM SPECIES 308619:9SW3L nidx=null parent=9SWK2]
 + Rhodobryum spathulosifolium (Müll. Hal.) Müll. Hal. [SYNONYM SPECIES 308968:KTHG3 nidx=null parent=9SWK2]
Rhopalosiphoninus chicotei
 - Rhopalosiphoninus chicotei [SYNONYM SPECIES 308619:8R2HG nidx=null parent=3BR32]
 + Rhopalosiphoninus chicotei Gómez-Menor Ortega, 1950 [SYNONYM SPECIES 308968:KTHRC nidx=null parent=3BR32]
Rhopalura
 - Rhopalura [ACCEPTED GENUS 308619:642FC nidx=null]
 + Rhopalura Giard, 1877 [ACCEPTED GENUS 308968:KTHS4 nidx=null]
Rhynchomyia bicolor
 - Rhynchomyia bicolor Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YVH nidx=null]
 + Rhynchomyia bicolor Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWSP nidx=null]
Rhynchostegium
 - Rhynchostegium Schimp. [ACCEPTED GENUS 308619:CJFQ8 nidx=null]
 + Rhynchostegium Schimp. [ACCEPTED GENUS 308968:9JN6Q nidx=null]
Rhynchostegium laxatum
 - Rhynchostegium laxatum (Mitt.) Paris [ACCEPTED SPECIES 308619:4STQ2 nidx=null]
 + Rhynchostegium laxatum (Mitt.) Mitt. [ACCEPTED SPECIES 308968:KTJ4Q nidx=null]
Rubria vitticollis
 - Rubria vitticollis (Stål, 1855) [SYNONYM SPECIES 308619:BPPDB nidx=null parent=65HVX]
 + Rubria vitticollis (Stål, 1855) [SYNONYM SPECIES 308968:BKPQQ nidx=null parent=65HVX]
Rubus affinis subsp. emergens
 - Rubus affinis subsp. emergens Boulay & Malbr. [AMBIGUOUS_SYNONYM SUBSPECIES 308619:CSZ7R nidx=null parent=9KRQK]
 + Rubus affinis subsp. emergens Boulay & Malbr. [AMBIGUOUS_SYNONYM SUBSPECIES 308968:KTH65 nidx=null parent=9KRQK]
 + Rubus affinis subsp. emergens (Boulay & Malbr.) Boulay [AMBIGUOUS_SYNONYM SUBSPECIES 308968:KTH66 nidx=null parent=9KRQK]
Saccharothrix aerocolonigenes subsp. staurosporeus
 - Saccharothrix aerocolonigenes subsp. staurosporeus (ex Ōmura et al., 1977) Takahashi et al. 1996 [SYNONYM SUBSPECIES 308619:CTBFL nidx=null parent=CTBFM]
 + Saccharothrix aerocolonigenes subsp. staurosporeus (ex Ōmura et al., 1977) Takahashi et al. 1996 [SYNONYM SUBSPECIES 308968:KTP55 nidx=null parent=CTBFM]
Saemundssonia (Saemundssonia) platygaster
 - Saemundssonia (Saemundssonia) platygaster (Denny, 1842) [ACCEPTED SPECIES 308619:CR745 nidx=null]
 + Saemundssonia (Saemundssonia) platygaster (Denny, 1842) [ACCEPTED SPECIES 308968:KTP5L nidx=null]
Sagartia viduata
 - Sagartia viduata (Müller, 1778) [ACCEPTED SPECIES 308619:84G7T nidx=null]
 + Sagartia viduata (Müller, 1776) [SYNONYM SPECIES 308968:4TXY6 nidx=null parent=7YW6M]
Salvinieae
 - Salvinieae Brongn. ex Duby [SYNONYM UNRANKED 308619:BW5L9 nidx=null parent=BV8H4]
 + Salvinieae Brongn. ex Duby [SYNONYM TRIBE 308968:KTJ3T nidx=null parent=BV8H4]
Salviniidae
 - Salviniidae Pic.Serm. ex Reveal [SYNONYM UNRANKED 308619:BW4NY nidx=null parent=B8V7S]
 + Salviniidae Pic.Serm. ex Reveal [SYNONYM SUBCLASS 308968:KTJ3V nidx=null parent=B8V7S]
Salvinineae
 - Salvinineae Wettst. [SYNONYM UNRANKED 308619:BW5JC nidx=null parent=B8V7S]
 + Salvinineae Wettst. [SYNONYM SUBORDER 308968:KTJ3W nidx=null parent=B8V7S]
Salvinioideae
 - Salvinioideae Mirb. ex Meisn. [SYNONYM UNRANKED 308619:BW5HY nidx=null parent=BV8H4]
 + Salvinioideae Mirb. ex Meisn. [SYNONYM SUBFAMILY 308968:KTJ3X nidx=null parent=BV8H4]
Sapromyza fuscipes
 - Sapromyza fuscipes Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YW8 nidx=null]
 + Sapromyza fuscipes Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JWVH nidx=null]
Sarcophaga mezzadrii
 - Sarcophaga mezzadrii Séguy, 1951 [SYNONYM SPECIES 308619:8DRDD nidx=null parent=8DQCD]
 + Sarcophaga mezzadrii Séguy, 1951 [SYNONYM SPECIES 308968:79NF3 nidx=null parent=8DQCD]
Scaphytopius (Cloanthanus) acutus
 - Scaphytopius (Cloanthanus) acutus (Say, 1830) [SYNONYM SPECIES 308619:CT3N3 nidx=null parent=9RK25]
 + Scaphytopius (Cloanthanus) acutus (Say, 1831) [SYNONYM SPECIES 308968:8RDVX nidx=null parent=9RK25]
Scaphytopius (Cloanthanus) acutus tenuis
 - Scaphytopius (Cloanthanus) acutus tenuis (DeLong, 1945) [SYNONYM SUBSPECIES 308619:BQFFV nidx=null parent=9LK99]
 + Scaphytopius (Cloanthanus) acutus tenuis (DeLong, 1945) [SYNONYM SUBSPECIES 308968:KTJW4 nidx=null parent=9LK99]
Scaphytopius (Cloanthanus) calliandrus
 - Scaphytopius (Cloanthanus) calliandrus (Ball, 1931) [SYNONYM SPECIES 308619:CT3NF nidx=null parent=9KSKH]
 + Scaphytopius (Cloanthanus) calliandrus (Ball, 1931) [SYNONYM SPECIES 308968:8RDWN nidx=null parent=9KSKH]
Scaphytopius (Cloanthanus) canus
 - Scaphytopius (Cloanthanus) canus Hepner, 1946 [SYNONYM SPECIES 308619:8RDWQ nidx=null parent=9KSKK]
 + Scaphytopius (Cloanthanus) canus Hepner, 1946 [SYNONYM SPECIES 308968:KTJWC nidx=null parent=9KSKK]
Scaphytopius (Cloanthanus) cinctus
 - Scaphytopius (Cloanthanus) cinctus (DeLong, 1943) [SYNONYM SPECIES 308619:8RDWT nidx=null parent=9KSKR]
 + Scaphytopius (Cloanthanus) cinctus (DeLong, 1943) [SYNONYM SPECIES 308968:KTJWF nidx=null parent=9KSKR]
Scaphytopius (Cloanthanus) diabolus
 - Scaphytopius (Cloanthanus) diabolus (Van Duzee, 1925) [SYNONYM SPECIES 308619:8RDX2 nidx=null parent=9KSL8]
 + Scaphytopius (Cloanthanus) diabolus (Van Duzee, 1925) [SYNONYM SPECIES 308968:KTJWJ nidx=null parent=9KSL8]
Scaphytopius (Cloanthanus) flavens
 - Scaphytopius (Cloanthanus) flavens (DeLong, 1943) [SYNONYM SPECIES 308619:CMSJQ nidx=null parent=9KSLR]
 + Scaphytopius (Cloanthanus) flavens (DeLong, 1943) [SYNONYM SPECIES 308968:8RDXB nidx=null parent=9KSLR]
Scaphytopius (Cloanthanus) goodi
 - Scaphytopius (Cloanthanus) goodi (DeLong, 1943) [SYNONYM SPECIES 308619:8RDXJ nidx=null parent=9KSM5]
 + Scaphytopius (Cloanthanus) goodi (DeLong, 1943) [SYNONYM SPECIES 308968:KTJWP nidx=null parent=9KSM5]
Scaphytopius (Cloanthanus) guterranus
 - Scaphytopius (Cloanthanus) guterranus (Ball, 1931) [SYNONYM SPECIES 308619:8RDXL nidx=null parent=9KSM7]
 + Scaphytopius (Cloanthanus) guterranus (Ball, 1931) [SYNONYM SPECIES 308968:KTJWQ nidx=null parent=9KSM7]
Scaphytopius (Cloanthanus) hebatus
 - Scaphytopius (Cloanthanus) hebatus (DeLong, 1943) [SYNONYM SPECIES 308619:CPJ63 nidx=null parent=9KSM9]
 + Scaphytopius (Cloanthanus) hebatus (DeLong, 1943) [SYNONYM SPECIES 308968:8RDXN nidx=null parent=9KSM9]
Scaphytopius (Cloanthanus) hilaris
 - Scaphytopius (Cloanthanus) hilaris Linnavuori, 1959 [SYNONYM SPECIES 308619:8RDXQ nidx=null parent=9KSMC]
 + Scaphytopius (Cloanthanus) hilaris Linnavuori, 1959 [SYNONYM SPECIES 308968:KTJWR nidx=null parent=9KSMC]
Scaphytopius (Cloanthanus) iadmon
 - Scaphytopius (Cloanthanus) iadmon Linnavuori, 1973 [SYNONYM SPECIES 308619:CGD75 nidx=null parent=9KSMF]
 + Scaphytopius (Cloanthanus) iadmon Linnavuori, 1973 [SYNONYM SPECIES 308968:8RDXS nidx=null parent=9KSMF]
Scaphytopius (Cloanthanus) magdalensis
 - Scaphytopius (Cloanthanus) magdalensis (Provancher, 1889) [SYNONYM SPECIES 308619:8RDY8 nidx=null parent=9KSN9]
 + Scaphytopius (Cloanthanus) magdalensis (Provancher, 1889) [SYNONYM SPECIES 308968:KTJWY nidx=null parent=9KSN9]
Scaphytopius (Cloanthanus) marginifrons
 - Scaphytopius (Cloanthanus) marginifrons (DeLong, 1943) [SYNONYM SPECIES 308619:8RDY9 nidx=null parent=9KSND]
 + Scaphytopius (Cloanthanus) marginifrons (DeLong, 1943) [SYNONYM SPECIES 308968:KTJWZ nidx=null parent=9KSND]
Scaphytopius (Cloanthanus) modicus
 - Scaphytopius (Cloanthanus) modicus Hepner, 1946 [SYNONYM SPECIES 308619:CVPN5 nidx=null parent=9KSNG]
 + Scaphytopius (Cloanthanus) modicus Hepner, 1946 [SYNONYM SPECIES 308968:8RDYC nidx=null parent=9KSNG]
Scaphytopius (Cloanthanus) oregonensis
 - Scaphytopius (Cloanthanus) oregonensis (Baker, 1900) [SYNONYM SPECIES 308619:CVPNB nidx=null parent=9KSP2]
 + Scaphytopius (Cloanthanus) oregonensis (Baker, 1900) [SYNONYM SPECIES 308968:8RDYL nidx=null parent=9KSP2]
Scaphytopius (Cloanthanus) pallescens
 - Scaphytopius (Cloanthanus) pallescens Linnavuori & DeLong, 1979 [SYNONYM SPECIES 308619:8RDYN nidx=null parent=9KSP4]
 + Scaphytopius (Cloanthanus) pallescens Linnavuori & DeLong, 1979 [SYNONYM SPECIES 308968:KTJX6 nidx=null parent=9KSP4]
Scaphytopius (Cloanthanus) scriptus
 - Scaphytopius (Cloanthanus) scriptus (Ball, 1909) [SYNONYM SPECIES 308619:8RDZ5 nidx=null parent=9KSPQ]
 + Scaphytopius (Cloanthanus) scriptus (Ball, 1909) [SYNONYM SPECIES 308968:KTJX8 nidx=null parent=9KSPQ]
Scaphytopius (Cloanthanus) stonei
 - Scaphytopius (Cloanthanus) stonei (DeLong, 1943) [SYNONYM SPECIES 308619:8RDZB nidx=null parent=9KSPZ]
 + Scaphytopius (Cloanthanus) stonei (DeLong, 1943) [SYNONYM SPECIES 308968:KTJX9 nidx=null parent=9KSPZ]
Scaphytopius (Cloanthanus) triangularis
 - Scaphytopius (Cloanthanus) triangularis (DeLong, 1945) [SYNONYM SPECIES 308619:CKV2H nidx=null parent=9KSQ6]
 + Scaphytopius (Cloanthanus) triangularis (DeLong, 1945) [SYNONYM SPECIES 308968:8RDZH nidx=null parent=9KSQ6]
Scaphytopius (Cloanthanus) trilineatus trilineatus
 - Scaphytopius (Cloanthanus) trilineatus trilineatus (Ball, 1916) [SYNONYM SUBSPECIES 308619:CVPNK nidx=null parent=9RK2K]
 + Scaphytopius (Cloanthanus) trilineatus trilineatus (Ball, 1916) [SYNONYM SUBSPECIES 308968:KTJXD nidx=null parent=9RK2K]
Scaphytopius (Cloanthanus) utahensis
 - Scaphytopius (Cloanthanus) utahensis Hepner, 1946 [SYNONYM SPECIES 308619:C4H2X nidx=null parent=9KSQB]
 + Scaphytopius (Cloanthanus) utahensis Hepner, 1946 [SYNONYM SPECIES 308968:8RDZL nidx=null parent=9KSQB]
Scaphytopius (Cloanthanus) vinculus
 - Scaphytopius (Cloanthanus) vinculus (DeLong, 1943) [SYNONYM SPECIES 308619:8RDZP nidx=null parent=9KSQG]
 + Scaphytopius (Cloanthanus) vinculus (DeLong, 1943) [SYNONYM SPECIES 308968:KTJXF nidx=null parent=9KSQG]
Scaphytopius (Convelinus) dodonanus
 - Scaphytopius (Convelinus) dodonanus (Ball, 1931) [SYNONYM SPECIES 308619:CVPMK nidx=null parent=9KSLD]
 + Scaphytopius (Convelinus) dodonanus (Ball, 1931) [SYNONYM SPECIES 308968:KTJWK nidx=null parent=9KSLD]
Scaphytopius (Convelinus) fuliginosus
 - Scaphytopius (Convelinus) fuliginosus (Osborn, 1923) [SYNONYM SPECIES 308619:8RF29 nidx=null parent=9KSLW]
 + Scaphytopius (Convelinus) fuliginosus (Osborn, 1923) [SYNONYM SPECIES 308968:KTJXG nidx=null parent=9KSLW]
Scaphytopius (Convelinus) irroratus
 - Scaphytopius (Convelinus) irroratus (Van Duzee, 1910) [SYNONYM SPECIES 308619:CVPMW nidx=null parent=9RK2G]
 + Scaphytopius (Convelinus) irroratus (Van Duzee, 1910) [SYNONYM SPECIES 308968:KTJWS nidx=null parent=9RK2G]
Scaphytopius (Convelinus) irrorellus
 - Scaphytopius (Convelinus) irrorellus (DeLong, 1944) [SYNONYM SPECIES 308619:CVPMZ nidx=null parent=9KSMK]
 + Scaphytopius (Convelinus) irrorellus (DeLong, 1944) [SYNONYM SPECIES 308968:KTJWW nidx=null parent=9KSMK]
Scaphytopius (Convelinus) lineus
 - Scaphytopius (Convelinus) lineus DeLong & Linnavuori, 1978 [SYNONYM SPECIES 308619:CVPNL nidx=null parent=9KSN2]
 + Scaphytopius (Convelinus) lineus DeLong & Linnavuori, 1978 [SYNONYM SPECIES 308968:8RF2F nidx=null parent=9KSN2]
Scaphytopius (Convelinus) marginelineatus
 - Scaphytopius (Convelinus) marginelineatus (Stål, 1859) [SYNONYM SPECIES 308619:8RF2H nidx=null parent=9KSNB]
 + Scaphytopius (Convelinus) marginelineatus (Stål, 1859) [SYNONYM SPECIES 308968:KTJXH nidx=null parent=9KSNB]
Scaphytopius (Convelinus) neloricatus
 - Scaphytopius (Convelinus) neloricatus Caldwell, 1952 [SYNONYM SPECIES 308619:8RF2J nidx=null parent=9KSNM]
 + Scaphytopius (Convelinus) neloricatus Caldwell, 1952 [SYNONYM SPECIES 308968:KTJXJ nidx=null parent=9KSNM]
Scaphytopius (Convelinus) pennatus
 - Scaphytopius (Convelinus) pennatus Hepner, 1946 [SYNONYM SPECIES 308619:CVPND nidx=null parent=9KSPB]
 + Scaphytopius (Convelinus) pennatus Hepner, 1946 [SYNONYM SPECIES 308968:KTJX7 nidx=null parent=9KSPB]
Scaphytopius (Nasutoideus) nasutus
 - Scaphytopius (Nasutoideus) nasutus (Van Duzee, 1907) [SYNONYM SPECIES 308619:CVPN6 nidx=null parent=9KSNK]
 + Scaphytopius (Nasutoideus) nasutus (Van Duzee, 1907) [SYNONYM SPECIES 308968:KTJX2 nidx=null parent=9KSNK]
Scaphytopius (Scaphytopius) latidens
 - Scaphytopius (Scaphytopius) latidens (DeLong, 1944) [SYNONYM SPECIES 308619:CPJ6S nidx=null parent=9KSMT]
 + Scaphytopius (Scaphytopius) latidens (DeLong, 1944) [SYNONYM SPECIES 308968:8RF33 nidx=null parent=9KSMT]
Scaphytopius (Tumeus) texanus
 - Scaphytopius (Tumeus) texanus (DeLong, 1944) [SYNONYM SPECIES 308619:CVPNP nidx=null parent=9QP32]
 + Scaphytopius (Tumeus) texanus (DeLong, 1944) [SYNONYM SPECIES 308968:KTJXL nidx=null parent=9QP32]
Scarabaeus aeneus
 - Scarabaeus aeneus Fabricius, 1781 [AMBIGUOUS_SYNONYM SPECIES 308619:6Y84C nidx=null parent=7XP8F]
 + Scarabaeus aeneus Fabricius, 1781 [SYNONYM SPECIES 308968:7YY3H nidx=null parent=7XP8F]
Scarabaeus janus
 - Scarabaeus janus Panzer, 1794 [AMBIGUOUS_SYNONYM SPECIES 308619:4V27J nidx=null parent=9K3RZ]
 + Scarabaeus janus Panzer, 1794 [SYNONYM SPECIES 308968:7WSK5 nidx=null parent=9K3RZ]
Scelimena bellula
 - Scelimena bellula Muhammad, Tan, Abdullah, Azirun, Bhaskar & Skejo, 2018 [AMBIGUOUS_SYNONYM SPECIES 308619:8PJSM nidx=null parent=8NYXM]
 + Scelimena bellula Storozhenko & Dawwrueng, 2015 [AMBIGUOUS_SYNONYM SPECIES 308968:KTJZW nidx=null parent=8NYXM]
Schisma capillare
 - Schisma capillare (Steph.) Steph. [SYNONYM SPECIES 308619:9SWR7 nidx=null parent=3KXRG]
 + Schisma capillare (Steph.) Paris [SYNONYM SPECIES 308968:KTK59 nidx=null parent=3KXRG]
Schistochila reinwardtii
 - Schistochila reinwardtii (Nees) Schiffn. [ACCEPTED SPECIES 308619:4V984 nidx=null]
 + Schistochila reinwardtii (Nees) Besch. [ACCEPTED SPECIES 308968:KTK5J nidx=null]
Schizaeeae
 - Schizaeeae Kaulf. [SYNONYM UNRANKED 308619:BW4WX nidx=null parent=B8WYS]
 + Schizaeeae Kaulf. [SYNONYM TRIBE 308968:KTJ5Y nidx=null parent=B8WYS]
Schizaeineae
 - Schizaeineae Bessey [SYNONYM UNRANKED 308619:BW5M3 nidx=null parent=B8WYS]
 + Schizaeineae Bessey [SYNONYM SUBORDER 308968:KTJ5Z nidx=null parent=B8WYS]
Schizaeoideae
 - Schizaeoideae Lindl. [SYNONYM UNRANKED 308619:BVXLH nidx=null parent=B8WYS]
 + Schizaeoideae Lindl. [SYNONYM SUBFAMILY 308968:KTJ62 nidx=null parent=B8WYS]
Schizaeopsida
 - Schizaeopsida Doweld [SYNONYM UNRANKED 308619:BW5L8 nidx=null parent=B8V7T]
 + Schizaeopsida Doweld [SYNONYM CLASS 308968:KTJ63 nidx=null parent=B8V7T]
Schizaphis graminae
 - Schizaphis graminae Rondani, 1852 [SYNONYM SPECIES 308619:CVP4L nidx=null parent=8PLRS]
 + Schizaphis graminae Rondani, 1852 [SYNONYM SPECIES 308968:KTJ6C nidx=null parent=8PLRS]
Scopolia lateralis
 - Scopolia lateralis Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3Z6M nidx=null]
 + Scopolia lateralis Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JX98 nidx=null]
Scyramathia riversandersoni
 - Scyramathia riversandersoni Alcock, 1895 [SYNONYM SPECIES 308619:CVPXM nidx=null parent=86YCB]
 + Scyramathia riversandersoni Alcock, 1895 [SYNONYM SPECIES 308968:KTK4W nidx=null parent=86YCB]
Selaginella antioquensis
 - Selaginella antioquensis [ACCEPTED SPECIES 308619:CVXYT nidx=null]
 + Selaginella antioquensis Valdespino, Vega-B. & C.López [ACCEPTED SPECIES 308968:KTRXC nidx=null]
Selaginella robusta
 - Selaginella robusta Mc Nab [SYNONYM SPECIES 308619:BCKJQ nidx=null parent=BBC9Z]
 + Selaginella robusta McNab [SYNONYM SPECIES 308968:CW6QR nidx=null parent=BBC9Z]
Selaginella veitchii
 - Selaginella veitchii W. R. Mc Nab [SYNONYM SPECIES 308619:BCKNT nidx=null parent=B8YJ3]
 + Selaginella veitchii W.R.McNab [SYNONYM SPECIES 308968:CW6P2 nidx=null parent=B8YJ3]
Selaginelleae
 - Selaginelleae Willk. [SYNONYM UNRANKED 308619:BW52L nidx=null parent=B8V7W]
 + Selaginelleae Willk. [SYNONYM TRIBE 308968:KTKJP nidx=null parent=B8V7W]
Selaginellidae
 - Selaginellidae Knobl. [SYNONYM UNRANKED 308619:BVB4V nidx=null parent=B8V7W]
 + Selaginellidae Knobl. [SYNONYM SUBCLASS 308968:KTKJQ nidx=null parent=B8V7W]
Selaginelloideae
 - Selaginelloideae Milde [SYNONYM UNRANKED 308619:CMT3W nidx=null parent=B8VC6]
 + Selaginelloideae Milde [SYNONYM SUBFAMILY 308968:KTKJR nidx=null parent=B8VC6]
Selaginellophytina
 - Selaginellophytina Doweld [SYNONYM UNRANKED 308619:BW4NV nidx=null parent=B8V7W]
 + Selaginellophytina Doweld [SYNONYM SUBPHYLUM 308968:KTKJS nidx=null parent=B8V7W]
Selaginellopsida
 - Selaginellopsida A.B.Frank [SYNONYM UNRANKED 308619:BW4NW nidx=null parent=B8V7W]
 + Selaginellopsida A.B.Frank [SYNONYM CLASS 308968:KTKJT nidx=null parent=B8V7W]
Selagines
 - Selagines Batsch [SYNONYM UNRANKED 308619:BDC87 nidx=null parent=B8V7W]
 + Selagines Batsch [SYNONYM ORDER 308968:KTKJV nidx=null parent=B8V7W]
Selenocephalus florii
 - Selenocephalus florii Stål, 1864 [SYNONYM SPECIES 308619:CVQ69 nidx=null parent=6HZ4T]
 + Selenocephalus florii Stål, 1864 [SYNONYM SPECIES 308968:KTKKQ nidx=null parent=6HZ4T]
Semicytherura indonesiaensis
 - Semicytherura indonesiaensis Whatley & Zhao (Yi-Chun), 1988 [ACCEPTED SPECIES 308619:4WGC8 nidx=null]
 + Semicytherura indonesiaensis Whatley & Zhao, 1988 [ACCEPTED SPECIES 308968:KTKNN nidx=null]
Septifer keeni
 - Septifer keeni Nomura, 1936 [SYNONYM SPECIES 308619:CVP7Q nidx=null parent=45GFD]
 + Septifer keeni Nomura, 1936 [SYNONYM SPECIES 308968:KTJDQ nidx=null parent=45GFD]
Serradium sbordonii
 - Serradium sbordonii Strasser, 1976 [ACCEPTED SPECIES 308619:6YL4F nidx=null]
 + Serradium sbordonii Strasser, 1976 [ACCEPTED SPECIES 308968:4WWSV nidx=null]
Sesarma (Geosesarma) sylvicolum
 - Sesarma (Geosesarma) sylvicolum (De Man, 1892) [SYNONYM SPECIES 308619:CPHWQ nidx=null parent=6KB9Y]
 + Sesarma (Geosesarma) sylvicolum (De Man, 1892) [SYNONYM SPECIES 308968:KTJLW nidx=null parent=6KB9Y]
Sesarma (Parasesarma) lenzii
 - Sesarma (Parasesarma) lenzii De Man, 1895 [SYNONYM SPECIES 308619:CR2ZF nidx=null parent=84GLX]
 + Sesarma (Parasesarma) lenzii De Man, 1895 [SYNONYM SPECIES 308968:KTJLZ nidx=null parent=84GLX]
Sesarma sediliensis
 - Sesarma sediliensis Tweedie, 1940 [SYNONYM SPECIES 308619:84GBB nidx=null parent=84GQH]
 + Sesarma sediliensis Tweedie, 1940 [SYNONYM SPECIES 308968:4WZ27 nidx=null parent=84GQH]
Sethophormis
 - Sethophormis [ACCEPTED GENUS 308619:7G3W nidx=null]
 + Sethophormis Haeckel, 1881 [ACCEPTED GENUS 308968:KTJN3 nidx=null]
Setulia algira
 - Setulia algira Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3Z7J nidx=null]
 + Setulia algira Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JX9S nidx=null]
Simia pennantiana
 - Simia pennantiana Gray, 1847 [SYNONYM SPECIES 308619:9H4FR nidx=null parent=5C4J6]
 + Simia pennantiana Leach, 1847 [SYNONYM SPECIES 308968:KTK3G nidx=null parent=5C4J6]
Simulium (Simulium) ibariense
 - Simulium (Simulium) ibariense Zivković & Grenier, 1959 [ACCEPTED SPECIES 308619:8DYQQ nidx=null]
 + Simulium (Simulium) ibariense Zivković & Grenier, 1959 [ACCEPTED SPECIES 308968:4XH2R nidx=null]
Simulium sanchezi
 - Simulium sanchezi Ramírez-Pérez, Yarzábal & Peterson, 1982 [SYNONYM SPECIES 308619:8F2HG nidx=null parent=8DYF8]
 + Simulium sanchezi Ramírez-Pérez, Yarzábal & Peterson, 1982 [SYNONYM SPECIES 308968:4XHTB nidx=null parent=8DYF8]
Sinoselaginelloideae
 - Sinoselaginelloideae Li Bing Zhang & X.M.Zhou [SYNONYM UNRANKED 308619:CR3KX nidx=null parent=B8VC6]
 + Sinoselaginelloideae Li Bing Zhang & X.M.Zhou [SYNONYM SUBFAMILY 308968:KTKG2 nidx=null parent=B8VC6]
Siphogenerina raphanus var. costulata
 - Siphogenerina raphanus var. costulata Cushman, 1917 [ACCEPTED VARIETY 308619:843NH nidx=null]
 + Siphogenerina raphanus var. costulata Cushman, 1917 [ACCEPTED VARIETY 308968:5RJBM nidx=null]
Siphonella antorides
 - Siphonella antorides Séguy, 1950 [SYNONYM SPECIES 308619:8F2X5 nidx=null parent=C2VL9]
 + Siphonella antorides Séguy, 1950 [SYNONYM SPECIES 308968:4XPJB nidx=null parent=C2VL9]
Sitobion (Sitobion)
 - Sitobion (Sitobion) Mordvilko, 1914 [ACCEPTED SUBGENUS 308619:CH6NP nidx=null]
 + Sitobion (Sitobion) Mordvilko, 1914 [ACCEPTED SUBGENUS 308968:KT5GR nidx=null]
Sminthurus repandus
 - Sminthurus repandus Ågren, 1903 [AMBIGUOUS_SYNONYM SPECIES 308619:CR3Z7 nidx=null parent=355HW]
 + Sminthurus repandus Ågren, 1903 [AMBIGUOUS_SYNONYM SPECIES 308968:KTKVK nidx=null parent=355HW]
 + Sminthurus repandus Ågren, 1902 [AMBIGUOUS_SYNONYM SPECIES 308968:KTKVL nidx=null parent=3LDSP]
Socotracris kleukersi
 - Socotracris kleukersi Felix & Desutter-Grandcolas, 2012 [ACCEPTED SPECIES 308619:4XYS5 nidx=null]
 + Socotracris kleukersi Felix & Desutter-Grandcolas, 2012 [ACCEPTED SPECIES 308968:KTJH6 nidx=null]
Solecurtus (Cultellus) californianus
 - Solecurtus (Cultellus) californianus Conrad, 1837 [SYNONYM SPECIES 308619:CVPCT nidx=null parent=54JP6]
 + Solecurtus (Cultellus) californianus Conrad, 1837 [SYNONYM SPECIES 308968:KTJKT nidx=null parent=54JP6]
Solecurtus basteroti
 - †Solecurtus basteroti des Moulins, 1832 [ACCEPTED SPECIES 308619:C62K4 nidx=null]
 + Solecurtus basteroti Desmoulins, 1832 [ACCEPTED SPECIES 308968:KTJKX nidx=null]
Solen basteroti
 - Solen basteroti (des Moulins, 1832) [SYNONYM SPECIES 308619:C62K5 nidx=null parent=C62K4]
 + Solen basteroti (Desmoulins, 1832) [SYNONYM SPECIES 308968:KTJL9 nidx=null parent=KTJKX]
Sphaerophoria turkmenica
 - Sphaerophoria turkmenica Bańkowska, 1964 [SYNONYM SPECIES 308619:8F3VN nidx=null parent=8F3RR]
 + Sphaerophoria turkmenica Bańkowska, 1964 [SYNONYM SPECIES 308968:4YRCC nidx=null parent=8F3RR]
Sphagnum auriculatum var. stellatum
 - Sphagnum auriculatum var. stellatum G. Roth [SYNONYM VARIETY 308619:9W6X5 nidx=null parent=4YT7M]
 + Sphagnum auriculatum var. stellatum (G. Roth) Casares-Gil [SYNONYM VARIETY 308968:KTKH6 nidx=null parent=4YT7M]
Sphagnum warnstorfii var. squarrosulum
 - Sphagnum warnstorfii var. squarrosulum (Warnst.) Warnst. [SYNONYM VARIETY 308619:9VPCC nidx=null parent=9ML7X]
 + Sphagnum warnstorfii var. squarrosulum (Warnst.) Röll [SYNONYM VARIETY 308968:KTKJM nidx=null parent=9ML7X]
Sphyrotarsus hervibazini
 - Sphyrotarsus hervibazini (Parent, 1914) [SYNONYM SPECIES 308619:92X3Z nidx=null parent=9HRYG]
 + Sphyrotarsus hervibazini (Parent, 1914) [SYNONYM SPECIES 308968:8F4C5 nidx=null parent=9HRYG]
Spirema
 - Spirema [ACCEPTED GENUS 308619:646F5 nidx=null]
 + Spirema Haeckel, 1881 [ACCEPTED GENUS 308968:KTKY9 nidx=null]
Spongaster
 - Spongaster [ACCEPTED GENUS 308619:7LHQ nidx=null]
 + Spongaster Ehrenberg, 1860 [ACCEPTED GENUS 308968:KTKDC nidx=null]
Spongia (Heterofibria) cristata
 - Spongia (Heterofibria) cristata Cook & Bergquist, 2001 [SYNONYM SPECIES 308619:CPJQ9 nidx=null parent=86X9J]
 + Spongia (Heterofibria) cristata Cook & Bergquist, 2001 [SYNONYM SPECIES 308968:KTKDD nidx=null parent=86X9J]
Spongodiscidae
 - Spongodiscidae [ACCEPTED FAMILY 308619:GKW nidx=null]
 + Spongodiscidae Haeckel, 1862 [ACCEPTED FAMILY 308968:KTKDY nidx=null]
Spongodiscus
 - Spongodiscus [ACCEPTED GENUS 308619:6467P nidx=null]
 + Spongodiscus Ehrenberg, 1854 [ACCEPTED GENUS 308968:KTKDZ nidx=null]
Spongopyle
 - Spongopyle [ACCEPTED GENUS 308619:7LK3 nidx=null]
 + Spongopyle Dreyer, 1889 [ACCEPTED GENUS 308968:KTKF4 nidx=null]
Spongotrochus
 - Spongotrochus [ACCEPTED GENUS 308619:7LK9 nidx=null]
 + Spongotrochus Haeckel, 1860 [ACCEPTED GENUS 308968:KTKF6 nidx=null]
Spongurus
 - Spongurus [ACCEPTED GENUS 308619:7LKB nidx=null]
 + Spongurus Haeckel, 1860 [ACCEPTED GENUS 308968:KTKF9 nidx=null]
Sporledera palustris
 - Sporledera palustris (Bruch & Schimp.) Schimp. [SYNONYM SPECIES 308619:9N4X4 nidx=null parent=5YZ45]
 + Sporledera palustris (Bruch & Schimp.) Müll. Hal. [SYNONYM SPECIES 308968:CW5RL nidx=null parent=9MZCK]
Sportella (Fabella) pilsbryi
 - Sportella (Fabella) pilsbryi Dall, 1899 [SYNONYM SPECIES 308619:CPJSH nidx=null parent=3DQXJ]
 + Sportella (Fabella) pilsbryi Dall, 1899 [SYNONYM SPECIES 308968:KTKGQ nidx=null parent=3DQXJ]
Stenhelia (Delavalia) coineauae
 - Stenhelia (Delavalia) coineauae Soyer, 1972 [SYNONYM SPECIES 308619:CVQTG nidx=null parent=34FN3]
 + Stenhelia (Delavalia) coineauae Soyer, 1972 [SYNONYM SPECIES 308968:KTL48 nidx=null parent=34FN3]
Stenobothrus (Omocestus)
 - Stenobothrus (Omocestus) Bolívar, 1878 [SYNONYM SUBGENUS 308619:CV5GH nidx=null parent=8NW9D]
 + Stenobothrus (Omocestus) Bolívar, 1878 [SYNONYM SUBGENUS 308968:KSXDW nidx=null parent=8NW9D]
Stenocaris intermedia
 - Stenocaris intermedia Itô, 1972 [ACCEPTED SPECIES 308619:BZV8K nidx=null]
 + Stenocaris intermedia Itô Tat, 1972 [ACCEPTED SPECIES 308968:4ZWBF nidx=null]
Stenochlaenaceae
 - Stenochlaenaceae Ching [SYNONYM UNRANKED 308619:B8WZ8 nidx=null parent=B8X4N]
 + Stenochlaenaceae Ching [SYNONYM FAMILY 308968:D2NZZ nidx=null parent=B8X4N]
Stenochlaeneae
 - Stenochlaeneae Small [SYNONYM UNRANKED 308619:BW5K3 nidx=null parent=B8X4N]
 + Stenochlaeneae Small [SYNONYM TRIBE 308968:KTLB9 nidx=null parent=B8X4N]
Stichopilium
 - Stichopilium [ACCEPTED GENUS 308619:7NG6 nidx=null]
 + Stichopilium Haeckel, 1881 [ACCEPTED GENUS 308968:KTM7J nidx=null]
Stictocoris preyssleri
 - Stictocoris preyssleri (Herrich-Schäffer, 1838) [SYNONYM SPECIES 308619:CT7YV nidx=null parent=8RMYM]
 + Stictocoris preyssleri (Herrich-Schäffer, 1838) [SYNONYM SPECIES 308968:KTM8T nidx=null parent=8RMYM]
Stigmatophora (Stigmatophora) albosericea
 - Stigmatophora (Stigmatophora) albosericea Moore, 1877 [SYNONYM SPECIES 308619:BRDTN nidx=null parent=BFXBK]
 + Stigmatophora (Stigmatophora) albosericea Moore, 1877 [SYNONYM SPECIES 308968:98G2T nidx=null parent=BFXBK]
Stigmatophora (Stigmatophora) ochracea
 - Stigmatophora (Stigmatophora) ochracea Lederer, 1855 [SYNONYM SPECIES 308619:BRDTP nidx=null parent=BFXBC]
 + Stigmatophora (Stigmatophora) ochracea Lederer, 1855 [SYNONYM SPECIES 308968:98G2X nidx=null parent=BFXBC]
Stigmatophora (Stigmatophora) sinensis
 - Stigmatophora (Stigmatophora) sinensis Walker, 1854 [SYNONYM SPECIES 308619:BRDTQ nidx=null parent=BFXBC]
 + Stigmatophora (Stigmatophora) sinensis Walker, 1854 [SYNONYM SPECIES 308968:98G2Y nidx=null parent=BFXBC]
Stoecharthrum
 - Stoecharthrum [ACCEPTED GENUS 308619:7NTM nidx=null]
 + Stoecharthrum Caullery & Mesnil, 1899 [ACCEPTED GENUS 308968:KTKPS nidx=null]
Strombus (Canarium) mutabilis
 - Strombus (Canarium) mutabilis Swainson, 1821 [SYNONYM SPECIES 308619:CR4MW nidx=null parent=QJMX]
 + Strombus (Canarium) mutabilis Swainson, 1821 [SYNONYM SPECIES 308968:KTLHZ nidx=null parent=QJMX]
Strombus (Doxander) vittatus entropi
 - Strombus (Doxander) vittatus entropi Man in 't Veld & Visser, 1993 [SYNONYM SUBSPECIES 308619:CVR8V nidx=null parent=7R4WK]
 + Strombus (Doxander) vittatus entropi Man in 't Veld & Visser, 1993 [SYNONYM SUBSPECIES 308968:KTLJG nidx=null parent=7R4WK]
Strongylosoma sagittarius
 - Strongylosoma sagittarius Karsch, 1881 [ACCEPTED SPECIES 308619:CMWFF nidx=null]
 + Strongylosoma sagittarius Karsch, 1881 [ACCEPTED SPECIES 308968:KTLLB nidx=null]
Stylatractus
 - Stylatractus [ACCEPTED GENUS 308619:7PPX nidx=null]
 + Stylatractus Haeckel, 1887 [ACCEPTED GENUS 308968:KTLRD nidx=null]
Stylochlamydium
 - Stylochlamydium [ACCEPTED GENUS 308619:7PQY nidx=null]
 + Stylochlamydium Haeckel, 1887 [ACCEPTED GENUS 308968:KTLRH nidx=null]
Stylodictya
 - Stylodictya [ACCEPTED GENUS 308619:7PRP nidx=null]
 + Stylodictya Ehrenberg, 1847 [ACCEPTED GENUS 308968:KTLRR nidx=null]
Styptosphaera
 - Styptosphaera [ACCEPTED GENUS 308619:7PVC nidx=null]
 + Styptosphaera Haeckel, 1887 [ACCEPTED GENUS 308968:KTLWW nidx=null]
Suzukia (Pheosiopsis) luscinicola
 - Suzukia (Pheosiopsis) luscinicola Nakamura, 1973 [SYNONYM SPECIES 308619:BRDV8 nidx=null parent=946X6]
 + Suzukia (Pheosiopsis) luscinicola Nakamura, 1973 [SYNONYM SPECIES 308968:98GBT nidx=null parent=946X6]
Syllis (Typosyllis) truncata mediterranea
 - Syllis (Typosyllis) truncata mediterranea Ben-Eliahu, 1977 [SYNONYM SUBSPECIES 308619:CVS7S nidx=null parent=53MW7]
 + Syllis (Typosyllis) truncata mediterranea Ben-Eliahu, 1977 [SYNONYM SUBSPECIES 308968:KTML3 nidx=null parent=53MW7]
Syrphus flavocinctus
 - Syrphus flavocinctus Fallén, 1810 [SYNONYM SPECIES 308619:8F7ZK nidx=null parent=C2TMK]
 + Syrphus flavocinctus Fallén, 1810 [SYNONYM SPECIES 308968:543JR nidx=null parent=C2TMK]
Tabanus (Tabanus) bicallosus
 - Tabanus (Tabanus) bicallosus Ricardo, 1909 [ACCEPTED SPECIES 308619:CT5P6 nidx=null]
 + Tabanus (Tabanus) bicallosus Ricardo, 1909 [ACCEPTED SPECIES 308968:KTKXW nidx=null]
Tabanus (Therioplectes) albovittatus
 - Tabanus (Therioplectes) albovittatus Kröber, 1930 [SYNONYM SPECIES 308619:8F9DF nidx=null parent=C2RRL]
 + Tabanus (Therioplectes) albovittatus Kröber, 1930 [SYNONYM SPECIES 308968:547C7 nidx=null parent=C2RRL]
Tabanus bellardii
 - Tabanus bellardii Szilády, 1926 [SYNONYM SPECIES 308619:8F9H4 nidx=null parent=8F8YG]
 + Tabanus bellardii Szilády, 1926 [SYNONYM SPECIES 308968:547J7 nidx=null parent=8F8YG]
Tabanus fenestralis
 - Tabanus fenestralis Szilády, 1926 [SYNONYM SPECIES 308619:8F9NW nidx=null parent=8F8QH]
 + Tabanus fenestralis Szilády, 1926 [SYNONYM SPECIES 308968:547WQ nidx=null parent=8F8QH]
Tachidius (Tachidius) discipes
 - Tachidius (Tachidius) discipes Giesbrecht, 1881 [ACCEPTED SPECIES 308619:8FPHM nidx=null]
 + Tachidius (Tachidius) discipes Giesbrecht, 1881 [SYNONYM SPECIES 308968:7WYTQ nidx=null parent=7BDXW]
Tachina (Eudoromyia) mesnili
 - Tachina (Eudoromyia) mesnili Zimin, 1967 [ACCEPTED SPECIES 308619:CVQQZ nidx=null]
 + Tachina (Eudoromyia) mesnili Zimin, 1967 [ACCEPTED SPECIES 308968:KTKZ4 nidx=null]
Tachydromyia sericea
 - Tachydromyia sericea Macquart, 1823 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZLH nidx=null]
 + Tachydromyia sericea Macquart, 1823 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JXY3 nidx=null]
Taenitideae
 - Taenitideae C.Presl [SYNONYM UNRANKED 308619:BDJHD nidx=null parent=BV8QP]
 + Taenitideae C.Presl [SYNONYM TRIBE 308968:KTLGC nidx=null parent=BV8QP]
Taenitidinae
 - Taenitidinae Payer [SYNONYM UNRANKED 308619:BW5K4 nidx=null parent=BV8QP]
 + Taenitidinae Payer [SYNONYM SUBTRIBE 308968:KTLGD nidx=null parent=BV8QP]
Taenitidoideae
 - Taenitidoideae (C.Presl) R.M.Tryon [SYNONYM UNRANKED 308619:BSG79 nidx=null parent=BV8QP]
 - Taenitidoideae Link [SYNONYM UNRANKED 308619:BV8QV nidx=null parent=BV8QP]
 + Taenitidoideae (C.Presl) R.M.Tryon [SYNONYM SUBFAMILY 308968:KTLGF nidx=null parent=BV8QP]
 + Taenitidoideae Link [SYNONYM SUBFAMILY 308968:KTLGG nidx=null parent=BV8QP]
Tantulonychiurus volinensis
 - Tantulonychiurus volinensis Babenko, 2003 [SYNONYM SPECIES 308619:CPLD4 nidx=null parent=4WPPF]
 + Tantulonychiurus volinensis Babenko & Fjellberg, 2006 [AMBIGUOUS_SYNONYM SPECIES 308968:KTLQ8 nidx=null parent=4WPPF]
 + Tantulonychiurus volinensis Babenko, 2003 [SYNONYM SPECIES 308968:KTLQ9 nidx=null parent=4WPPF]
Tanyderites admirandus
 - †Tanyderites admirandus Kalugina, 1985 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZMD nidx=null]
 + Tanyderites admirandus Kalugina, 1985 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JXZ6 nidx=null]
Tanytarsus longipes
 - Tanytarsus longipes Akhrorov, 1967 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZMV nidx=null]
 + Tanytarsus longipes Akhrorov, 1967 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JY44 nidx=null]
Tayloria orthodonta
 - Tayloria orthodonta (P. Beauv.) Demaret [ACCEPTED SPECIES 308619:9KX7D nidx=null]
 + Tayloria orthodonta (P. Beauv.) Spruce [ACCEPTED SPECIES 308968:KTM8D nidx=null]
Tendipes allothrix
 - Tendipes allothrix Kieffer, 1912 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZN8 nidx=null]
 + Tendipes allothrix Kieffer, 1912 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JY5G nidx=null]
Tendipes armatifrons
 - Tendipes armatifrons Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZN9 nidx=null]
 + Tendipes armatifrons Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JY5L nidx=null]
Tendipes atrifurea
 - Tendipes atrifurea Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZNB nidx=null]
 + Tendipes atrifurea Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JY5Q nidx=null]
Tendipes brunetttii
 - Tendipes brunetttii Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZNC nidx=null]
 + Tendipes brunetttii Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JY5V nidx=null]
Tendipes inermifrons
 - Tendipes inermifrons Kieffer, 1916 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZNH nidx=null]
 + Tendipes inermifrons Kieffer, 1916 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JY7D nidx=null]
Tendipes sessilis
 - Tendipes sessilis Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZNJ nidx=null]
 + Tendipes sessilis Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JY7Z nidx=null]
Tephritis macula
 - Tephritis macula Fabricius, 1805 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZNM nidx=null]
 + Tephritis macula Fabricius, 1805 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JY8S nidx=null]
Tetrapyle
 - Tetrapyle [ACCEPTED GENUS 308619:6475T nidx=null]
 + Tetrapyle Muller, 1858 [ACCEPTED GENUS 308968:KTLBK nidx=null]
Tettigetta atra
 - Tettigetta atra (Menor y Ortega, 1957) [SYNONYM SPECIES 308619:8JFWZ nidx=null parent=55V6C]
 + Tettigetta atra (Gómez-Menor, 1957) [SYNONYM SPECIES 308968:KTLJW nidx=null parent=55V6C]
Tettigonia dufourii
 - Tettigonia dufourii Signoret, 1855 [SYNONYM SPECIES 308619:CVRBJ nidx=null parent=4P38S]
 + Tettigonia dufourii Signoret, 1855 [SYNONYM SPECIES 308968:KTLKS nidx=null parent=4P38S]
Tettigonia fitchii
 - Tettigonia fitchii Signoret, 1855 [SYNONYM SPECIES 308619:CVRBM nidx=null parent=74KL4]
 + Tettigonia fitchii Signoret, 1855 [SYNONYM SPECIES 308968:KTLKT nidx=null parent=74KL4]
Tettigonia laboulbenii
 - Tettigonia laboulbenii Signoret, 1855 [SYNONYM SPECIES 308619:CR4QH nidx=null parent=4CRKJ]
 + Tettigonia laboulbenii Signoret, 1855 [SYNONYM SPECIES 308968:KTLKY nidx=null parent=4CRKJ]
Textularia foliacea f. foliacea
 - Textularia foliacea f. foliacea [SYNONYM FORM 308619:BQLDR nidx=null parent=55YCN]
 + Textularia foliacea f. foliacea Heron-Allen & Earland, 1915 [SYNONYM FORM 308968:KTLNN nidx=null parent=55YCN]
Thamnotettix cyane
 - Thamnotettix cyane Boheman, 1845 [SYNONYM SPECIES 308619:CR4ZT nidx=null parent=8JW7D]
 + Thamnotettix cyane Boheman, 1845 [SYNONYM SPECIES 308968:KTLVV nidx=null parent=8JW7D]
Theloderma kwangsiensis
 - Theloderma kwangsiensis (Liu & Hu, 1962) [SYNONYM SPECIES 308619:CVRWM nidx=null parent=568HJ]
 + Theloderma kwangsiensis (Liu & Hu, 1962) [SYNONYM SPECIES 308968:KTM69 nidx=null parent=568HJ]
Theocorythium
 - Theocorythium [ACCEPTED GENUS 308619:7VN3 nidx=null]
 + Theocorythium Haeckel, 1887 [ACCEPTED GENUS 308968:KTM9L nidx=null]
Thereva nigella
 - Thereva nigella Wiedemann, 1828 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZPY nidx=null]
 + Thereva nigella Wiedemann, 1828 [PROVISIONALLY_ACCEPTED SPECIES 308968:9V8H7 nidx=null]
Tholoniidae
 - Tholoniidae [ACCEPTED FAMILY 308619:H7Q nidx=null]
 + Tholoniidae Haeckel, 1887 [ACCEPTED FAMILY 308968:KTMRY nidx=null]
Tholospyris
 - Tholospyris [ACCEPTED GENUS 308619:7W4Q nidx=null]
 + Tholospyris Haeckel, 1881 [ACCEPTED GENUS 308968:KTMS6 nidx=null]
Thuidium abietinum f. viride
 - Thuidium abietinum f. viride (Torka) Podp. [SYNONYM FORM 308619:9VRB3 nidx=null parent=8KJR]
 + Thuidium abietinum f. viride Matousch. [SYNONYM FORM 308968:KTMYL nidx=null parent=8KJR]
Thyrsopterideae
 - Thyrsopterideae Pfeiff. [SYNONYM UNRANKED 308619:BW4Q3 nidx=null parent=B8X24]
 + Thyrsopterideae Pfeiff. [SYNONYM TRIBE 308968:KTN8K nidx=null parent=B8X24]
Tibicen bihamatus
 - Tibicen bihamatus (Hayashi, 1984) non Motschulsky, 1861 [AMBIGUOUS_SYNONYM SPECIES 308619:8JGPR nidx=null parent=5VXJ2]
 + Tibicen bihamatus (Motschulsky, 1861) [AMBIGUOUS_SYNONYM SPECIES 308968:KTNBJ nidx=null parent=8K2NL]
Tibicen blaisdellii
 - Tibicen blaisdellii Uhler, 1892 [SYNONYM SPECIES 308619:CT9C2 nidx=null parent=W5HJ]
 + Tibicen blaisdellii Uhler, 1892 [SYNONYM SPECIES 308968:KTNBK nidx=null parent=W5HJ]
Tibicen inauditus
 - Tibicen inauditus Davis, 1917 [SYNONYM SPECIES 308619:CVSWR nidx=null parent=3J6PY]
 + Tibicen inauditus Davis, 1917 [SYNONYM SPECIES 308968:KTNBS nidx=null parent=3J6PY]
Tibicen superbus
 - Tibicen superbus (Fitch, 1855) [SYNONYM SPECIES 308619:CT6J6 nidx=null parent=6S9G3]
 + Tibicen superbus (Fitch, 1855) [SYNONYM SPECIES 308968:KTL3R nidx=null parent=6S9G3]
Tibicina plebeja
 - Tibicina plebeja Fritsch, 1880 non Scopoli, 1763 [AMBIGUOUS_SYNONYM SPECIES 308619:8JGXP nidx=null parent=8JJV6]
 + Tibicina plebeja (Germar, 1830) [SYNONYM SPECIES 308968:KTL3Y nidx=null parent=8JJV6]
Tipula florilega
 - Tipula florilega Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZTK nidx=null]
 + Tipula florilega Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JYDH nidx=null]
Tipula vibratrix
 - Tipula vibratrix Linnaeus, 1761 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZVP nidx=null]
 + Tipula vibratrix Linnaeus, 1761 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JYHF nidx=null]
Tortrix (Loxotaenia) musculana f. obsoletana
 - Tortrix (Loxotaenia) musculana f. obsoletana Strand, 1901 [SYNONYM FORM 308619:CT7YM nidx=null parent=B43GN]
 + Tortrix (Loxotaenia) musculana f. obsoletana Strand, 1901 [SYNONYM FORM 308968:KTM88 nidx=null parent=B43GN]
Tortrix olivana
 - Tortrix olivana [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 308619:BRDXS nidx=null parent=92ZFM]
 + Tortrix olivana [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 308968:98LQM nidx=null parent=92ZFM]
Trentepohlia (Trentepohlia) aurantia
 - Trentepohlia (Trentepohlia) aurantia Alexander, 1920 [ACCEPTED SPECIES 308619:5844K nidx=null]
 + Trentepohlia (Trentepohlia) aurantia Alexander, 1920 [ACCEPTED SPECIES 308968:DNPYB nidx=null]
Trichocera brevis
 - Trichocera brevis Krzemińska, 2002 [SYNONYM SPECIES 308619:8FH6Z nidx=null parent=8FH5V]
 + Trichocera brevis Krzemińska, 2002 [SYNONYM SPECIES 308968:7CPZF nidx=null parent=8FH5V]
Trichocladius atriforceps
 - Trichocladius atriforceps Kieffer, 1924 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZXZ nidx=null]
 + Trichocladius atriforceps Kieffer, 1924 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JYJG nidx=null]
Trichocladius sahorensis
 - Trichocladius sahorensis Kieffer, 1926 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZY3 nidx=null]
 + Trichocladius sahorensis Kieffer, 1926 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JYQG nidx=null]
Trichocladius terricola
 - Trichocladius terricola Kieffer, 1919 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZY4 nidx=null]
 + Trichocladius terricola Kieffer, 1919 [PROVISIONALLY_ACCEPTED SPECIES 308968:9JYQX nidx=null]
Trichodagmia spadicidorsum
 - Trichodagmia spadicidorsum Enderlein, 1934 [SYNONYM SPECIES 308619:8FHG9 nidx=null parent=8DZ3K]
 + Trichodagmia spadicidorsum Enderlein, 1934 [SYNONYM SPECIES 308968:58BB9 nidx=null parent=8DZ3K]
Trichomaneae
 - Trichomaneae Dumort. [SYNONYM UNRANKED 308619:BW52M nidx=null parent=B8X4W]
 + Trichomaneae Dumort. [SYNONYM TRIBE 308968:KTMVP nidx=null parent=B8X4W]
Trichomanes curranii
 - Trichomanes curranii Weath. [ACCEPTED SPECIES 308619:BCRL4 nidx=null]
 + Trichomanes curranii Weath. [SYNONYM SPECIES 308968:7CR64 nidx=null parent=BCZQJ]
Trichopoda (Galactomyia) flavicornis
 - Trichopoda (Galactomyia) flavicornis Robineau-Desvoidy, 1830 [ACCEPTED SPECIES 308619:CHJ3F nidx=null]
 + Trichopoda (Galactomyia) flavicornis Robineau-Desvoidy, 1830 [ACCEPTED SPECIES 308968:KTMY8 nidx=null]
Trichosteleum brachypelma
 - Trichosteleum brachypelma (Müll. Hal.) Paris [ACCEPTED SPECIES 308619:9T3W4 nidx=null]
 + Trichosteleum brachypelma (Müll. Hal.) Broth. [ACCEPTED SPECIES 308968:KTN5D nidx=null]
Trichostomum mutabile subsp. cuspidatum
 - Trichostomum mutabile subsp. cuspidatum (Braithw.) Podp. [SYNONYM SUBSPECIES 308619:9VPW3 nidx=null parent=9VDWW]
 + Trichostomum mutabile subsp. cuspidatum (Braithw.) Jäggli [SYNONYM SUBSPECIES 308968:KTN5Z nidx=null parent=9VDWW]
Trichostomum mutabile subsp. littorale
 - Trichostomum mutabile subsp. littorale (Mitt.) Podp. [SYNONYM SUBSPECIES 308619:9T6P7 nidx=null parent=9N6QM]
 + Trichostomum mutabile subsp. littorale (Mitt.) Jäggli [SYNONYM SUBSPECIES 308968:KTN62 nidx=null parent=9N6QM]
Triloculina ebersini var. ebersini
 - Triloculina ebersini var. ebersini [SYNONYM VARIETY 308619:BQDBH nidx=null parent=83QXM]
 + Triloculina ebersini var. ebersini Didkovskiy, 1961 [SYNONYM VARIETY 308968:KTNKN nidx=null parent=83QXM]
Triticites (Triticites) shikhanensis var. shikhanensis
 - Triticites (Triticites) shikhanensis var. shikhanensis [SYNONYM VARIETY 308619:BQDDG nidx=null parent=8KRKW]
 + Triticites (Triticites) shikhanensis var. shikhanensis Rozovskaya, 1950 [SYNONYM VARIETY 308968:KTNWG nidx=null parent=8KRKW]
Trophon (Aspella) engonatus
 - Trophon (Aspella) engonatus Dall, 1892 [SYNONYM SPECIES 308619:CVTXL nidx=null parent=34XKD]
 + Trophon (Aspella) engonatus Dall, 1892 [SYNONYM SPECIES 308968:KTPBL nidx=null parent=34XKD]
Trophon (Boreotrophon) planispina
 - Trophon (Boreotrophon) planispina E. A. Smith, 1906 [SYNONYM SPECIES 308619:CR79S nidx=null parent=39VD3]
 + Trophon (Boreotrophon) planispina E. A. Smith, 1906 [SYNONYM SPECIES 308968:KTPBM nidx=null parent=39VD3]
Trophonopsis carinatus aculeatus
 - Trophonopsis carinatus aculeatus Settepassi, 1977 [SYNONYM SUBSPECIES 308619:CR79W nidx=null parent=4BZK5]
 + Trophonopsis carinatus aculeatus Settepassi, 1977 [SYNONYM SUBSPECIES 308968:KTPBP nidx=null parent=4BZK5]
Turbonilla (Nisiturris) crystallina
 - Turbonilla (Nisiturris) crystallina Clessin, 1900 [SYNONYM SPECIES 308619:CVSW5 nidx=null parent=84XNN]
 + Turbonilla (Nisiturris) crystallina Clessin, 1900 [SYNONYM SPECIES 308968:KTNBB nidx=null parent=84XNN]
Typhlocyba pura
 - Typhlocyba pura Stål, 1858 [SYNONYM SPECIES 308619:8JHF4 nidx=null parent=3RGVQ]
 + Typhlocyba pura Stål, 1858 [SYNONYM SPECIES 308968:59W3W nidx=null parent=3RGVQ]
Typhlotanais (Typhlotanais) mananensis
 - Typhlotanais (Typhlotanais) mananensis Wallace, 1919 [SYNONYM SPECIES 308619:CVTBR nidx=null parent=4DHCP]
 + Typhlotanais (Typhlotanais) mananensis Wallace, 1919 [SYNONYM SPECIES 308968:KTNQ6 nidx=null parent=4DHCP]
Ugada nutti
 - Ugada nutti Sanborn & Villet, 2014 non Distant, 1904 [AMBIGUOUS_SYNONYM SPECIES 308619:8JHJ3 nidx=null parent=7DF3Y]
 + Ugada nutti Boulard, 1969 [AMBIGUOUS_SYNONYM SPECIES 308968:KTNWN nidx=null parent=7DF3Y]
Ulota rufula var. fagicola
 - Ulota rufula var. fagicola Dusén ex Malta [SYNONYM VARIETY 308619:9VW33 nidx=null parent=7DGX5]
 + Ulota rufula var. fagicola Malta [SYNONYM VARIETY 308968:CW4Z3 nidx=null parent=7DGX5]
Uroleucon (Uroleucon)
 - Uroleucon (Uroleucon) Mordvilko, 1914 [ACCEPTED SUBGENUS 308619:CSGQT nidx=null]
 + Uroleucon (Uroleucon) Mordvilko, 1914 [ACCEPTED SUBGENUS 308968:KT5GY nidx=null]
Urosalpinx cinereus var. follyensis
 - Urosalpinx cinereus var. follyensis B. B. Baker, 1951 [SYNONYM VARIETY 308619:CVV33 nidx=null parent=7DYQT]
 + Urosalpinx cinereus var. follyensis B. B. Baker, 1951 [SYNONYM VARIETY 308968:KTPFW nidx=null parent=7DYQT]
Valvata (Cincinna) gradata
 - Valvata (Cincinna) gradata T. Fuchs, 1870 [SYNONYM SPECIES 308619:CVV4M nidx=null parent=CTM29]
 + Valvata (Cincinna) gradata T. Fuchs, 1870 [SYNONYM SPECIES 308968:KTPHM nidx=null parent=CTM29]
Valvata (Valvata) simplex
 - Valvata (Valvata) simplex T. Fuchs, 1870 [SYNONYM SPECIES 308619:CVV59 nidx=null parent=7TY5N]
 + Valvata (Valvata) simplex T. Fuchs, 1870 [SYNONYM SPECIES 308968:KTPJ8 nidx=null parent=7TY5N]
Vampirovibrio chlorellavorus
 - Vampirovibrio chlorellavorus (ex Gromov & Mamkayeva, 1972) Gromov & Mamkayeva 1980 [ACCEPTED SPECIES 308619:7FDSD nidx=null]
 + Vampirovibrio chlorellavorus (Gromov & Mamkaeva, 1972) ex Gromov & Mamkayeva, 1980 [ACCEPTED SPECIES 308968:KTPJ9 nidx=null]
Vatana
 - Vatana Dworakowska, 1995 [SYNONYM GENUS 308619:8HSPC nidx=null parent=BYSNF]
 + Vatana Dworakowska, 1995 [SYNONYM GENUS 308968:KTPJM nidx=null parent=BYSNF]
Venericardia (Pleuromeris) kapuaensis
 - Venericardia (Pleuromeris) kapuaensis Marwick, 1931 [SYNONYM SPECIES 308619:CR7JH nidx=null parent=4KBSJ]
 + Venericardia (Pleuromeris) kapuaensis Marwick, 1931 [SYNONYM SPECIES 308968:KTPJT nidx=null parent=4KBSJ]
Vittariaceae
 - Vittariaceae Ching [SYNONYM UNRANKED 308619:B8X2N nidx=null parent=B8V4Q]
 + Vittariaceae Ching [SYNONYM FAMILY 308968:KTPL6 nidx=null parent=B8V4Q]
Vittarieae
 - Vittarieae C.Presl [SYNONYM UNRANKED 308619:BV8X4 nidx=null parent=BV8R2]
 + Vittarieae C.Presl [SYNONYM TRIBE 308968:KTPL7 nidx=null parent=BV8R2]
Vittariinae
 - Vittariinae Diels [SYNONYM UNRANKED 308619:BW5J8 nidx=null parent=BV8R2]
 + Vittariinae Diels [SYNONYM SUBTRIBE 308968:KTPL8 nidx=null parent=BV8R2]
Webera didymodontia
 - Webera didymodontia (Mitt.) Broth. [SYNONYM SPECIES 308619:9T4T8 nidx=null parent=4P8H9]
 + Webera didymodontia (Mitt.) Cardot [SYNONYM SPECIES 308968:KTPX9 nidx=null parent=4P8H9]
Wijkia cuynetii
 - Wijkia cuynetii (Bizot) W. Schultze-Motel ex Ochyra [ACCEPTED SPECIES 308619:9KYYS nidx=null]
 + Wijkia cuynetii (Bizot) W. Schultze-Motel [ACCEPTED SPECIES 308968:7FW3S nidx=null]
Willemoesia crucifera
 - Willemoesia crucifera (Willemoes-Suhm in Thomson, 1873) [SYNONYM SPECIES 308619:CVV98 nidx=null parent=84X97]
 + Willemoesia crucifera (Willemoes-Suhm in Thomson, 1873) [SYNONYM SPECIES 308968:KTPN7 nidx=null parent=84X97]
Woodsiinae
 - Woodsiinae Hook. [SYNONYM UNRANKED 308619:BW5KT nidx=null parent=B8X2P]
 + Woodsiinae Hook. [SYNONYM SUBTRIBE 308968:KTQFD nidx=null parent=B8X2P]
Xenia faraunensis
 - Xenia faraunensis Verseveldt & Cohen, 1971 [SYNONYM SPECIES 308619:857GY nidx=null parent=85W8X]
 + Xenia faraunensis Verseveldt & Cohen, 1971 [SYNONYM SPECIES 308968:5C96Z nidx=null parent=85W8X]
Xenosiphon mundanus
 - Xenosiphon mundanus (Selenka & Bülow in Selenka, de Man & Bülow, 1883) [SYNONYM SPECIES 308619:CVT4G nidx=null parent=7WVP6]
 + Xenosiphon mundanus (Selenka & Bülow in Selenka, de Man & Bülow, 1883) [SYNONYM SPECIES 308968:KTNJH nidx=null parent=7WVP6]
Xestoleberis malaysiana
 - Xestoleberis malaysiana Zhao (Yi-Chun) & Whatley, 1989 [ACCEPTED SPECIES 308619:7FXHB nidx=null]
 + Xestoleberis malaysiana Zhao & Whatley, 1989 [ACCEPTED SPECIES 308968:KTNM2 nidx=null]
Xiphidiola (Xiphidiola) concolor
 - Xiphidiola (Xiphidiola) concolor Bolívar, 1906 [ACCEPTED SPECIES 308619:7FXDX nidx=null]
 + Xiphidiola (Xiphidiola) concolor Bolívar, 1906 [ACCEPTED SPECIES 308968:KTNND nidx=null]
Zospeum alpestre alpestre
 - Zospeum alpestre alpestre (Freyer, 1855) [ACCEPTED SUBSPECIES 308619:8SYKM nidx=null]
 + Zospeum alpestre alpestre (Freyer, 1855) [SYNONYM SUBSPECIES 308968:7L7ZS nidx=null parent=5D8GH]
Zua davidis
 - Zua davidis Ancey, 1882 [SYNONYM SPECIES 308619:7TPBM nidx=null parent=7QQTV]
 + Zua davidis [SYNONYM SPECIES 308968:KTPP4 nidx=null parent=KTTJH]
Zygaena rubrianata
 - Zygaena rubrianata Holik, 1939 [SYNONYM SPECIES 308619:99XSC nidx=null parent=94GCY]
 + Zygaena rubrianata Burgeff, 1906 [SYNONYM SPECIES 308968:KTQ9Z nidx=null parent=93SCG]
 + Zygaena rubrianata Holik, 1939 [SYNONYM SPECIES 308968:KTQB2 nidx=null parent=94GCY]
 + Zygaena rubrianata Holik & Reiss, 1932 [SYNONYM SPECIES 308968:KTQB3 nidx=null parent=93SCG]