Acanthaspis beauvoisii
 - Acanthaspis beauvoisii Fairmaire in Thomson, 1858 [SYNONYM SPECIES 308619:CTRYH nidx=null parent=7C5TQ]
 + Acanthaspis beauvoisii Fairmaire in Thomson, 1858 [SYNONYM SPECIES 309001:KSKBV nidx=null parent=7C5TQ]
Acanthosphaera
 - Acanthosphaera [ACCEPTED GENUS 308619:627PN nidx=null]
 + Acanthosphaera Ehrenberg, 1858 [ACCEPTED GENUS 309001:KSL3N nidx=null]
Acocephalus carinatus
 - Acocephalus carinatus Stål, 1864 [SYNONYM SPECIES 308619:8RHBW nidx=null parent=FK45]
 + Acocephalus carinatus Stål, 1864 [SYNONYM SPECIES 309001:8JNBK 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 309001:95Q4C 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 309001:64M7P 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 309001:KSDL9 nidx=null parent=B8V4Q]
 + Acrostichaceae Mett. ex A.B.Frank [SYNONYM FAMILY 309001:KSDLB nidx=null parent=B8X44]
Acrosticheae
 - Acrosticheae C.Presl [SYNONYM UNRANKED 308619:BW5K8 nidx=null parent=B8X44]
 + Acrosticheae C.Presl [SYNONYM TRIBE 309001:KSDLC nidx=null parent=B8X44]
Acrostichinae
 - Acrostichinae Payer [SYNONYM UNRANKED 308619:BW5JT nidx=null parent=B8X44]
 + Acrostichinae Payer [SYNONYM SUBTRIBE 309001:KSDLD nidx=null parent=B8X44]
Acrostichoideae
 - Acrostichoideae Link [SYNONYM UNRANKED 308619:BW5LV nidx=null parent=B8X44]
 + Acrostichoideae Link [SYNONYM SUBFAMILY 309001:KSDLF nidx=null parent=B8X44]
Actinea viduata
 - Actinea viduata [SYNONYM SPECIES 308619:9SYR nidx=null parent=7YW6M]
 + Actinea viduata Müller, 1776 [SYNONYM SPECIES 309001:KSDM4 nidx=null parent=7YW6M]
Actinocephalus
 - Actinocephalus [ACCEPTED GENUS 308619:99DC9 nidx=null]
 + Actinocephalus Thorne, 1967 [SYNONYM GENUS 309001:KSDMS nidx=null parent=8FZVR]
Actinommidae
 - Actinommidae [ACCEPTED FAMILY 308619:5ZM nidx=null]
 + Actinommidae Haeckel, 1862 [ACCEPTED FAMILY 309001:KSDMV nidx=null]
Acucephalus olivaceus
 - Acucephalus olivaceus Walker, 1851 [SYNONYM SPECIES 308619:8RHDC nidx=null parent=FK4L]
 + Acucephalus olivaceus Walker, 1851 [SYNONYM SPECIES 309001:8JNGY nidx=null parent=FK4L]
Adiantaceae
 - Adiantaceae Newman [SYNONYM UNRANKED 308619:CJR2H nidx=null parent=B8V4Q]
 + Adiantaceae Newman [SYNONYM FAMILY 309001:KSDPN nidx=null parent=B8V4Q]
Adianteae
 - Adianteae Gaudich. [SYNONYM UNRANKED 308619:BW5KK nidx=null parent=BV8P5]
 + Adianteae Gaudich. [SYNONYM TRIBE 309001:KSDPP nidx=null parent=BV8P5]
Adiantinae
 - Adiantinae Pfeiff. [SYNONYM UNRANKED 308619:BW4PB nidx=null parent=BV8P5]
 + Adiantinae Pfeiff. [SYNONYM SUBTRIBE 309001:KSDPQ 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 309001:KSDPR 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 309001: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 309001:64VWL 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 309001:65K4C nidx=null parent=57XYV]
Agapanthia (Epoptes) asphodeli
 - Agapanthia (Epoptes) asphodeli [MISAPPLIED SPECIES 308619:CPX5R nidx=null parent=CCHR2]
 + Agapanthia (Epoptes) asphodeli [MISAPPLIED SPECIES 309001:KSFDW nidx=null parent=CCHR2]
Agromyza aberrans
 - †Agromyza aberrans Meunier, 1905 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SJJ nidx=null]
 + Agromyza aberrans Meunier, 1905 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JJBM nidx=null]
Alhambra
 - Alhambra [SYNONYM GENUS 308619:8PMZM nidx=null parent=8NY23]
 + Alhambra Gómez-Menor Ortega, 1958 [SYNONYM GENUS 309001:KSFJ4 nidx=null parent=8NY23]
Allosoreae
 - Allosoreae Rouy [SYNONYM UNRANKED 308619:BW5L3 nidx=null parent=B8X36]
 + Allosoreae Rouy [SYNONYM TRIBE 309001:KSGF7 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 309001:65XWW nidx=null parent=BCLJM]
Alsophileae
 - Alsophileae Engl. [SYNONYM UNRANKED 308619:BW5J5 nidx=null parent=B8V9T]
 + Alsophileae Engl. [SYNONYM TRIBE 309001:KSH96 nidx=null parent=B8V9T]
Alsophilinae
 - Alsophilinae Pfeiff. [SYNONYM UNRANKED 308619:BVRCN nidx=null parent=B8V9T]
 + Alsophilinae Pfeiff. [SYNONYM SUBTRIBE 309001:KSH97 nidx=null parent=B8V9T]
Amalda (Micrancilla) granum
 - Amalda (Micrancilla) granum P. A. Maxwell, 1992 [SYNONYM SPECIES 308619:CRL4J nidx=null parent=42Q8M]
 + Amalda (Micrancilla) granum P. A. Maxwell, 1992 [SYNONYM SPECIES 309001:KSHQW nidx=null parent=42Q8M]
Amazilia saucerrottei warscewiczi
 - Amazilia saucerrottei warscewiczi (Cabanis & Heine, 1860) [SYNONYM SUBSPECIES 308619:CTNS9 nidx=null parent=BNZP7]
 + Amazilia saucerrottei warscewiczi (Cabanis & Heine, 1860) [SYNONYM SUBSPECIES 309001:KSF6N nidx=null parent=BNZP7]
Amblyspatha mucoris
 - Amblyspatha mucoris Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SJM nidx=null]
 + Amblyspatha mucoris Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JJDD nidx=null]
Amblystegium
 - Amblystegium Schimp. [ACCEPTED GENUS 308619:CHQ55 nidx=null]
 + Amblystegium Schimp. [ACCEPTED GENUS 309001:KSF8V nidx=null]
Amiota (Amiota) fuscicata
 - Amiota (Amiota) fuscicata Chen & Zhang, 2005 [ACCEPTED SPECIES 308619:CPX86 nidx=null]
 + Amiota (Amiota) fuscicata Chen & Zhang, 2005 [ACCEPTED SPECIES 309001:KSFGZ nidx=null]
Amorphopinae
 - Amorphopinae Günther, 1939 [SYNONYM SUBFAMILY 308619:8PSM8 nidx=null parent=8NKXS]
 + Amorphopinae Günther, 1939 [SYNONYM TRIBE 309001:KSFNB 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 309001:7N4NZ nidx=null parent=CZZZ]
Amphirhopalum
 - Amphirhopalum [ACCEPTED GENUS 308619:62B7G nidx=null]
 + Amphirhopalum Haeckel, 1881 [ACCEPTED GENUS 309001:KSGBC nidx=null]
Anas smithii
 - Anas smithii (E. Hartert, 1891) [SYNONYM SPECIES 308619:CRL2Y nidx=null parent=9HP5W]
 + Anas smithii (E. Hartert, 1891) [SYNONYM SPECIES 309001:KSHPR nidx=null parent=9HP5W]
Ancestreuma principalis
 - Ancestreuma principalis Golovatch, 1977 [ACCEPTED SPECIES 308619:66LVZ nidx=null]
 + Ancestreuma principalis Golovatch, 1977 [ACCEPTED SPECIES 309001:66M6V nidx=null]
Anchomenus brunneus
 - Anchomenus brunneus Letzner, 1852 unavailable name [AMBIGUOUS_SYNONYM SPECIES 308619:CTQYT nidx=null parent=664SQ]
 + Anchomenus brunneus Letzner, 1851 [AMBIGUOUS_SYNONYM SPECIES 309001:KSHVQ nidx=null parent=77PSY]
 + Anchomenus brunneus Letzner, 1852 [AMBIGUOUS_SYNONYM SPECIES 309001:KSHVR nidx=null parent=6653F]
 + Anchomenus brunneus Letzner, 1852 [AMBIGUOUS_SYNONYM SPECIES 309001:KSHVS nidx=null parent=664T3]
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 309001: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 309001:66NZT nidx=null]
Androcyclas
 - Androcyclas [ACCEPTED GENUS 308619:62C3V nidx=null]
 + Androcyclas Jorgensen, 1905 [ACCEPTED GENUS 309001:KSF8T nidx=null]
Anemieae
 - Anemieae Bommer [SYNONYM UNRANKED 308619:BW4PG nidx=null parent=B8VGL]
 + Anemieae Bommer [SYNONYM TRIBE 309001:KSFGL nidx=null parent=B8VGL]
Angiopteridaceae
 - Angiopteridaceae Fée ex Bommer [SYNONYM UNRANKED 308619:B8WPQ nidx=null parent=B8VGX]
 + Angiopteridaceae Fée ex Bommer [SYNONYM FAMILY 309001:KSFJ6 nidx=null parent=B8VGX]
Angiopterideae
 - Angiopterideae Engl. [SYNONYM UNRANKED 308619:BW5LW nidx=null parent=B8VFL]
 + Angiopterideae Engl. [SYNONYM TRIBE 309001:KSFJ7 nidx=null parent=B8VFL]
Angiopteridoideae
 - Angiopteridoideae C.Presl [SYNONYM UNRANKED 308619:BW5JS nidx=null parent=B8VGX]
 + Angiopteridoideae C.Presl [SYNONYM SUBFAMILY 309001:KSFJ8 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 309001: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 309001:KSGDW 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 309001:KSGG5 nidx=null parent=9JJG3]
Anomalacantha
 - Anomalacantha [ACCEPTED GENUS 308619:WQV nidx=null]
 + Anomalacantha Loeblich & Tappan, 1961 [ACCEPTED GENUS 309001:KSGHX 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 309001:CW4SV nidx=null parent=676DZ]
Anopheles (Anopheles) peruvianus
 - Anopheles (Anopheles) peruvianus Tamayo, 1907 [ACCEPTED SPECIES 308619:CNBK3 nidx=null]
 + Anopheles (Anopheles) peruvianus Tamayo, 1907 [ACCEPTED SPECIES 309001:KSGNW nidx=null]
Anopheles (Cellia) formosae
 - Anopheles (Cellia) formosae Hatori, 1901 [ACCEPTED SPECIES 308619:CTQ9C nidx=null]
 + Anopheles (Cellia) formosae Hatori, 1901 [ACCEPTED SPECIES 309001:KSGNV nidx=null]
Anopheles (Cellia) persicus
 - Anopheles (Cellia) persicus Edwards, 1921 [ACCEPTED SPECIES 308619:CL73N nidx=null]
 + Anopheles (Cellia) persicus Edwards, 1921 [ACCEPTED SPECIES 309001:KSGNZ nidx=null]
Antarctissa
 - Antarctissa [ACCEPTED GENUS 308619:X74 nidx=null]
 + Antarctissa Petrushevskaya, 1967 [ACCEPTED GENUS 309001:KSHCX nidx=null]
Anthalia nigra
 - Anthalia nigra Zetterstedt, 1842 [SYNONYM SPECIES 308619:926SH nidx=null parent=C2S6P]
 + Anthalia nigra Zetterstedt, 1842 [SYNONYM SPECIES 309001:66Z2W nidx=null parent=C2S6P]
Anthocyrtidium
 - Anthocyrtidium [ACCEPTED GENUS 308619:62DCP nidx=null]
 + Anthocyrtidium Haeckel, 1881 [ACCEPTED GENUS 309001:KSHTD nidx=null]
Anthomyia calceata
 - Anthomyia calceata Meigen, 1826 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3PPP nidx=null]
 + Anthomyia calceata Meigen, 1826 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JJLP nidx=null]
Anthomyia cyclicans
 - Anthomyia cyclicans Pandellé, 1900 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3PPQ nidx=null]
 + Anthomyia cyclicans Pandellé, 1900 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JJM3 nidx=null]
Anthrax dentoni
 - †Anthrax dentoni Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SJV nidx=null]
 + Anthrax dentoni Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JJQ6 nidx=null]
Antilletolania
 - Antilletolania Ramos, 1957 [SYNONYM GENUS 308619:CL8FS nidx=null parent=CRLTC]
 + Antilletolania Ramos Alemar, 1957 [SYNONYM GENUS 309001:KSJ6W nidx=null parent=CRLTC]
Antiopula
 - Antiopula Bergroth, 1863 [ACCEPTED GENUS 308619:XPB nidx=null]
 + Antiopula Bergroth, 1894 [ACCEPTED GENUS 309001:F6MJ9 nidx=null]
Antrophyeae
 - Antrophyeae Pfeiff. [SYNONYM UNRANKED 308619:BW5KF nidx=null parent=BV8R2]
 + Antrophyeae Pfeiff. [SYNONYM TRIBE 309001:KSJVC nidx=null parent=BV8R2]
Antrophyinae
 - Antrophyinae Diels [SYNONYM UNRANKED 308619:BW5JR nidx=null parent=BV8R2]
 + Antrophyinae Diels [SYNONYM SUBTRIBE 309001:KSJVD nidx=null parent=BV8R2]
Antroverhoeffia mirabilis
 - Antroverhoeffia mirabilis Manfredi, 1948 [SYNONYM SPECIES 308619:CTRHL nidx=null parent=3VM3Y]
 + Antroverhoeffia mirabilis Manfredi, 1948 [SYNONYM SPECIES 309001:KSJVN nidx=null parent=3VM3Y]
Aphidura pujoli
 - Aphidura pujoli [ACCEPTED SPECIES 308619:5VLKR nidx=null]
 + Aphidura pujoli (Gómez-Menor Ortega, 1950) [ACCEPTED SPECIES 309001:KSG24 nidx=null]
Aphis (Aphis) radicum
 - Aphis (Aphis) radicum [ACCEPTED SPECIES 308619:CRJDK nidx=null]
 + Aphis (Aphis) radicum [ACCEPTED SPECIES 309001:8R2RJ nidx=null]
Aphis (Dactynotus) jacobea-balsamita
 - Aphis (Dactynotus) jacobea-balsamita Rafinesque, 1818 [SYNONYM SPECIES 308619:CTPN3 nidx=null parent=8QWMV]
 + Aphis (Dactynotus) jacobea-balsamita Rafinesque, 1818 [SYNONYM SPECIES 309001:KSG4N nidx=null parent=8QWMV]
Aphis (Protaphis) centaurea
 - Aphis (Protaphis) centaurea [SYNONYM SPECIES 308619:8P5VF nidx=null parent=4N26H]
 + Aphis (Protaphis) centaurea (Menor y Ortega, 1950) [SYNONYM SPECIES 309001:KSG3C 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 309001:KSG7F nidx=null parent=KTFKH]
Aporocotyle michaudi
 - Aporocotyle michaudi Santoro, Cipriani, Pankov & Lawton, 2015 [ACCEPTED SPECIES 308619:846P9 nidx=null]
 + Aporocotyle michaudi Santoro, Cipriani, Pankov & Lawton, 2015 [ACCEPTED SPECIES 309001:5VQMQ 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 309001:KSHS5 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 309001:KSJ6Y 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 309001:KSJ72 nidx=null parent=82ZSB]
Arenopontia (Neoleptastacus) acantha
 - Arenopontia (Neoleptastacus) acantha Chappuis, 1954 [SYNONYM SPECIES 308619:CRMLM nidx=null parent=73VZK]
 + Arenopontia (Neoleptastacus) acantha Chappuis, 1954 [SYNONYM SPECIES 309001:KSK6W nidx=null parent=73VZK]
Artostrobiidae
 - Artostrobiidae [ACCEPTED FAMILY 308619:6RN nidx=null]
 + Artostrobiidae Riedel, 1967 [ACCEPTED FAMILY 309001:KSHNM nidx=null]
Asilus therevinus
 - Asilus therevinus Rondani, 1851 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3Q8L nidx=null]
 + Asilus therevinus Rondani, 1851 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JJYN nidx=null]
Asira kenngottii
 - Asira kenngottii Giebel, 1856 [SYNONYM SPECIES 308619:8B4L4 nidx=null parent=8DK6C]
 + Asira kenngottii Giebel, 1856 [SYNONYM SPECIES 309001: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 309001:KSJV2 nidx=null parent=B8TXK]
Asplenieae
 - Asplenieae Gaudich. [SYNONYM UNRANKED 308619:BW4P8 nidx=null parent=B8V4L]
 + Asplenieae Gaudich. [SYNONYM TRIBE 309001:KSJZB nidx=null parent=B8V4L]
Aspleniinae
 - Aspleniinae Dumort. [SYNONYM UNRANKED 308619:BVG6C nidx=null parent=B8V4L]
 + Aspleniinae Dumort. [SYNONYM SUBTRIBE 309001:KSJZC 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 309001: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 309001:HK7Z nidx=null parent=B9DCV]
Asplenium × kentuckiense
 - Asplenium × kentuckiense Mc Coy [ACCEPTED SPECIES 308619:B9DGW nidx=null]
 + Asplenium × kentuckiense McCoy [ACCEPTED SPECIES 309001:KSK2Y 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 309001:KSK6H 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 309001:KSK89 nidx=null]
Astraea reussi
 - Astraea reussi Sismonda, 1871 [SYNONYM SPECIES 308619:BW7KJ nidx=null parent=864ZV]
 + Astraea reussi Michelotti, 1871 [SYNONYM SPECIES 309001:KSFXT nidx=null parent=864ZV]
Astrea helianthoïdes
 - Astrea helianthoïdes Goldfuss, 1826 [SYNONYM SPECIES 308619:CTQ2P nidx=null parent=9B6N3]
 + Astrea helianthoïdes Goldfuss, 1826 [SYNONYM SPECIES 309001:KSGHD nidx=null parent=9B6N3]
Asura (Asura) agraphia
 - Asura (Asura) agraphia Hampson [SYNONYM SPECIES 308619:BPPFD nidx=null parent=BFNZB]
 + Asura (Asura) agraphia Hampson [SYNONYM SPECIES 309001:95ZNF 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 309001:95ZNL 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 309001:95ZNN 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 309001:95ZNQ 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 309001:95ZNW 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 309001:95ZNX 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 309001:95ZPJ 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 309001:95ZPM 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 309001:95ZPP 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 309001:95ZPQ 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 309001:92VV8 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 309001:95ZQC 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 309001:95ZQD 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 309001:95ZQL 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 309001:95ZR2 nidx=null parent=BFTDD]
Athyriales
 - Athyriales Shmakov [SYNONYM UNRANKED 308619:B8WLD nidx=null parent=B8TXB]
 + Athyriales Shmakov [SYNONYM ORDER 309001:KSHHF nidx=null parent=B8TXB]
Athyriinae
 - Athyriinae Milde [SYNONYM UNRANKED 308619:BW5J9 nidx=null parent=B8VGN]
 + Athyriinae Milde [SYNONYM SUBTRIBE 309001:KSHHJ nidx=null parent=B8VGN]
Athysanus eomunnis
 - Athysanus eomunnis Edwards, 1888 [SYNONYM SPECIES 308619:CTQQK nidx=null parent=8RKGV]
 + Athysanus eomunnis Edwards, 1888 [SYNONYM SPECIES 309001:KSHNK nidx=null parent=8RKGV]
Athysanus homophylus
 - Athysanus homophylus (Flor, 1861) [SYNONYM SPECIES 308619:CRKZL nidx=null parent=9G4ZH]
 + Athysanus homophylus (Flor, 1861) [SYNONYM SPECIES 309001:KSHNL nidx=null parent=9G4ZH]
Athysanus striatullelus
 - Athysanus striatullelus (Edwards, 1894) [SYNONYM SPECIES 308619:CRKZT nidx=null parent=8JX8H]
 + Athysanus striatullelus (Edwards, 1894) [SYNONYM SPECIES 309001:KSHNN nidx=null parent=8JX8H]
Athysanus thenii
 - Athysanus thenii Löw, 1885 [SYNONYM SPECIES 308619:CRKZV nidx=null parent=4YDB4]
 + Athysanus thenii Löw, 1885 [SYNONYM SPECIES 309001:KSHNP 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 309001:JKQF nidx=null]
Aulacorthum (Aulacorthum) nipponicum
 - Aulacorthum (Aulacorthum) nipponicum (Essig & Kuwana, 1918) [SYNONYM SPECIES 308619:CPZHC nidx=null parent=4P2TG]
 + Aulacorthum (Aulacorthum) nipponicum (Essig & Kuwana, 1918) [SYNONYM SPECIES 309001:KSJ4Z nidx=null parent=4P2TG]
Aulacorthum (Aulacorthum) solani
 - Aulacorthum (Aulacorthum) solani (Kaltenbach, 1843) [ACCEPTED SPECIES 308619:CRLQD nidx=null]
 + Aulacorthum (Aulacorthum) solani (Kaltenbach, 1843) [ACCEPTED SPECIES 309001:KSJ53 nidx=null]
Aulopus japonicus
 - Aulopus japonicus Günther, 1877 [SYNONYM SPECIES 308619:CHT29 nidx=null parent=3LY8X]
 + Aulopus japonicus () [MISAPPLIED SPECIES 309001:KSJ76 nidx=null parent=3LY8P]
 + Aulopus japonicus () [MISAPPLIED SPECIES 309001:KSJ77 nidx=null parent=6LX5V]
 + Aulopus japonicus Günther, 1877 [SYNONYM SPECIES 309001:KSJ78 nidx=null parent=3LY8X]
Axoprunum
 - Axoprunum [ACCEPTED GENUS 308619:62FG7 nidx=null]
 + Axoprunum Haeckel, 1887 [ACCEPTED GENUS 309001:KSKDB nidx=null]
Azollaceae
 - Azollaceae Wettst. [SYNONYM UNRANKED 308619:CJVWN nidx=null parent=BV8H4]
 + Azollaceae Wettst. [SYNONYM FAMILY 309001:KSKFZ nidx=null parent=BV8H4]
Azolleae
 - Azolleae Schenk [SYNONYM UNRANKED 308619:BW5JF nidx=null parent=BV8H4]
 + Azolleae Schenk [SYNONYM TRIBE 309001:KSKG2 nidx=null parent=BV8H4]
Azolloideae
 - Azolloideae Griff. [SYNONYM UNRANKED 308619:BW5KL nidx=null parent=BV8H4]
 + Azolloideae Griff. [SYNONYM SUBFAMILY 309001:KSKG3 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 309001:5VZFY 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 309001:92967 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 309001:68B37 nidx=null parent=4JGYJ]
Balantieae
 - Balantieae Pfeiff. [SYNONYM UNRANKED 308619:BW5KQ nidx=null parent=B8WS7]
 + Balantieae Pfeiff. [SYNONYM TRIBE 309001:KSP55 nidx=null parent=B8WS7]
Balcis montagui
 - Balcis montagui Gray, 1847 [SYNONYM SPECIES 308619:7Q9V2 nidx=null parent=3Z6T3]
 + Balcis montagui Leach, 1847 [SYNONYM SPECIES 309001:KSP6Q nidx=null parent=3Z6T3]
Ballana (Viriosana) viriosa
 - Ballana (Viriosana) viriosa (Ball, 1910) [SYNONYM SPECIES 308619:CTWFM nidx=null parent=8JSPH]
 + Ballana (Viriosana) viriosa (Ball, 1910) [SYNONYM SPECIES 309001:KSPBS nidx=null parent=8JSPH]
Barbula hibernica
 - Barbula hibernica (Mitt.) Husn. [SYNONYM SPECIES 308619:9RPH5 nidx=null parent=9L73D]
 + Barbula hibernica (Mitt.) Hobk. & Bosw. [SYNONYM SPECIES 309001: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 309001: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 309001: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 309001:KSQJ3 nidx=null parent=38JR5]
Bazzania bidentula
 - Bazzania bidentula (Steph.) Yasuda [ACCEPTED SPECIES 308619:L4SN nidx=null]
 + Bazzania bidentula (Steph.) P. Syd. [ACCEPTED SPECIES 309001:KSQVW nidx=null]
Bazzania cordifolia
 - Bazzania cordifolia (Steph.) S. Hatt. [SYNONYM SPECIES 308619:9RQDX nidx=null parent=L4Z7]
 + Bazzania cordifolia (Steph.) P. Syd. [SYNONYM SPECIES 309001: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 309001: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 309001:KSQVZ nidx=null]
Bertea subaptera
 - Bertea subaptera Rondani, 1856 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SLJ nidx=null]
 + Bertea subaptera Rondani, 1856 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JKDP 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 309001: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 309001: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 309001: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 309001: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 309001:963PB 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 309001:KSLMX nidx=null parent=KSLMW]
Bittium
 - Bittium J. E. Gray, 1847 [ACCEPTED GENUS 308619:7NQSK nidx=null]
 + Bittium Leach, 1847 [ACCEPTED GENUS 309001:KSLPB nidx=null]
Blechneae
 - Blechneae C.Presl [SYNONYM UNRANKED 308619:BW5M5 nidx=null parent=BV8PB]
 + Blechneae C.Presl [SYNONYM TRIBE 309001:KSLWG nidx=null parent=BV8PB]
Blechninae
 - Blechninae Coss. & Germ. [SYNONYM UNRANKED 308619:BW5JJ nidx=null parent=BV8PB]
 + Blechninae Coss. & Germ. [SYNONYM SUBTRIBE 309001:KSLWH 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 309001:KSLWJ 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 309001:KSM9G nidx=null]
Bolitophila pulveris
 - †Bolitophila pulveris Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SLL nidx=null]
 + Bolitophila pulveris Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JKJZ 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 309001:KSMCV 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 309001: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 309001:7JF6T nidx=null parent=4M22K]
Botrychieae
 - Botrychieae Bommer [SYNONYM UNRANKED 308619:BW5KS nidx=null parent=B8X32]
 + Botrychieae Bommer [SYNONYM TRIBE 309001:KSKG5 nidx=null parent=B8X32]
Botryocyrtis
 - Botryocyrtis [ACCEPTED GENUS 308619:3BXM nidx=null]
 + Botryocyrtis Ehrenberg, 1860 [ACCEPTED GENUS 309001:KSKKX nidx=null]
Botryostrobus
 - Botryostrobus [ACCEPTED GENUS 308619:3BYL nidx=null]
 + Botryostrobus Haeckel, 1887 [ACCEPTED GENUS 309001:KSKNP nidx=null]
Brachythecium gloriosum
 - Brachythecium gloriosum (Müll. Hal.) Kindb. [ACCEPTED SPECIES 308619:CHSZB nidx=null]
 + Brachythecium gloriosum (Müll. Hal.) Müll. Hal. [ACCEPTED SPECIES 309001:KSLGD nidx=null]
Brachythecium nigroviride
 - Brachythecium nigroviride Kindb. [ACCEPTED SPECIES 308619:9RR3Z nidx=null]
 + Brachythecium nigroviride Müll. Hal. [ACCEPTED SPECIES 309001:KSLGF 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 309001:KSLGG nidx=null parent=9MJKK]
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 309001:KSMM3 nidx=null parent=9SRJP]
Buchozia coprosmoides
 - Buchozia coprosmoides L'Hér. [SYNONYM SPECIES 308619:9JXJS nidx=null parent=4WVLM]
 + Buchozia coprosmoides L'Hér. [SYNONYM SPECIES 309001: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 309001:7MTWW nidx=null parent=NSTH]
Bulla (Tornatina) infrequens
 - Bulla (Tornatina) infrequens C. B. Adams, 1852 [SYNONYM SPECIES 308619:CTSD9 nidx=null parent=9SGM]
 + Bulla (Tornatina) infrequens C. B. Adams, 1852 [SYNONYM SPECIES 309001:KSKQN nidx=null parent=9SGM]
Bunodes crispus
 - Bunodes crispus (Hemprich & Ehrenberg in Ehrenberg, 1834) [SYNONYM SPECIES 308619:CTSGN nidx=null parent=9GPNW]
 + Bunodes crispus (Hemprich & Ehrenberg in Ehrenberg, 1834) [SYNONYM SPECIES 309001:KSL3B nidx=null parent=9GPNW]
Byrrhidiini
 - Byrrhidiini Davis, Deschodt & Scholtz, 2019 [ACCEPTED TRIBE 308619:KNJ nidx=null]
 + Byrrhidiini Davis, Deschodt & Scholtz, 2019 [SYNONYM GENUS 309001:KSLC5 nidx=null parent=KTSSM]
Bythoscopus strobi
 - Bythoscopus strobi Fitch, 1851 [SYNONYM SPECIES 308619:CRNSZ nidx=null parent=4D88R]
 + Bythoscopus strobi Fitch, 1851 [SYNONYM SPECIES 309001:KSLG7 nidx=null parent=4D88R]
Caecum (Defolinia) tomaculum
 - Caecum (Defolinia) tomaculum Weisbord, 1962 [SYNONYM SPECIES 308619:CLCZS nidx=null parent=P8W5]
 + Caecum (Defolinia) tomaculum Weisbord, 1962 [SYNONYM SPECIES 309001:KSLS2 nidx=null parent=P8W5]
Callobata brasiliana
 - Callobata brasiliana Rondani, 1863 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SMX nidx=null]
 + Callobata brasiliana Rondani, 1863 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JLNS nidx=null]
Callyspongia (Toxochalina) dendyi
 - Callyspongia (Toxochalina) dendyi (Burton, 1931) [ACCEPTED SPECIES 308619:PWNV nidx=null]
 + Callyspongia (Toxochalina) dendyi [ACCEPTED SPECIES 309001:KSMZC nidx=null]
Callyspongia dendyi
 - Callyspongia dendyi (Burton, 1931) [SYNONYM SPECIES 308619:PWQL nidx=null parent=PWNV]
 + Callyspongia dendyi [SYNONYM SPECIES 309001:KSMZD nidx=null parent=KSMZC]
Callyspongia ridleyi
 - Callyspongia ridleyi Burton, 1934 [ACCEPTED SPECIES 308619:PWT5 nidx=null]
 + Callyspongia ridleyi [ACCEPTED SPECIES 309001:KSMZL nidx=null]
Cambalopsis calvus
 - Cambalopsis calvus (Pocock, 1893) [SYNONYM SPECIES 308619:CTSMS nidx=null parent=57R9Y]
 + Cambalopsis calvus (Pocock, 1893) [SYNONYM SPECIES 309001:KSL7C nidx=null parent=57R9Y]
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 309001: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 309001: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 309001:KSLVP 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 309001:KSLVR 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 309001:KSLVV 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 309001:KSLW2 nidx=null parent=QHQY]
Cannobotryidae
 - Cannobotryidae [ACCEPTED FAMILY 308619:7NX nidx=null]
 + Cannobotryidae Haeckel, 1881 [ACCEPTED FAMILY 309001:KSM4M nidx=null]
Cardiomanoideae
 - Cardiomanoideae K.Iwats. [SYNONYM UNRANKED 308619:BW5KH nidx=null parent=B8X3M]
 + Cardiomanoideae K.Iwats. [SYNONYM SUBFAMILY 309001:KSMX4 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 309001:KSMYY nidx=null parent=65FZN]
Cardium (Trachycardium) infantule
 - Cardium (Trachycardium) infantule Nomura & Zinbo, 1934 [SYNONYM SPECIES 308619:CTVBP nidx=null parent=65FZH]
 + Cardium (Trachycardium) infantule Nomura & Zinbo, 1934 [SYNONYM SPECIES 309001:KSMZN nidx=null parent=65FZH]
Cardium (Trachycardium) muricatum
 - Cardium (Trachycardium) muricatum Linnaeus, 1758 [SYNONYM SPECIES 308619:CLG3V nidx=null parent=3428S]
 + Cardium (Trachycardium) muricatum Linnaeus, 1758 [SYNONYM SPECIES 309001:KSMZP nidx=null parent=3428S]
Carpocanarium
 - Carpocanarium [ACCEPTED GENUS 308619:62KK3 nidx=null]
 + Carpocanarium Haeckel, 1887 [ACCEPTED GENUS 309001:KSLQ3 nidx=null]
Carpocaniidae
 - Carpocaniidae [ACCEPTED FAMILY 308619:7RL nidx=null]
 + Carpocaniidae Haeckel, 1881 [ACCEPTED FAMILY 309001:KSLQ4 nidx=null]
Carpocanistrum
 - Carpocanistrum [ACCEPTED GENUS 308619:3HTV nidx=null]
 + Carpocanistrum Haeckel, 1887 [ACCEPTED GENUS 309001:KSLQ5 nidx=null]
Carpocanium
 - Carpocanium [ACCEPTED GENUS 308619:3HTW nidx=null]
 + Carpocanium Ehrenberg, 1847 [ACCEPTED GENUS 309001:KSLQ6 nidx=null]
Cassida (Cassida) flaveola
 - Cassida (Cassida) flaveola Thunberg, 1794 [ACCEPTED SPECIES 308619:7RYKH nidx=null]
 + Cassida (Cassida) flaveola Thunberg, 1794 [ACCEPTED SPECIES 309001:5XCTW 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 309001:KSM2V 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 309001:KSM2W 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 309001:KSM74 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 309001:CW683 nidx=null parent=6VSZD]
Catharodesmus major
 - Catharodesmus major (Silvestri, 1897) [SYNONYM SPECIES 308619:CTTKJ nidx=null parent=3SYKZ]
 + Catharodesmus major (Silvestri, 1897) [SYNONYM SPECIES 309001:KSMBB nidx=null parent=3SYKZ]
Cavariella (Cavariella) aegopodii
 - Cavariella (Cavariella) aegopodii (Scopoli, 1763) [ACCEPTED SPECIES 308619:CTTVX nidx=null]
 + Cavariella (Cavariella) aegopodii (Scopoli, 1763) [ACCEPTED SPECIES 309001:RXS3 nidx=null]
Cenosphaera
 - Cenosphaera [ACCEPTED GENUS 308619:3K5T nidx=null]
 + Cenosphaera Ehrenberg, 1854 [ACCEPTED GENUS 309001:KSNLL 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 309001:5SCHD 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 309001:KSPBW nidx=null parent=4YVLW]
Ceratopogon succinctus
 - Ceratopogon succinctus Wiedemann, 1818 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SQG nidx=null]
 + Ceratopogon succinctus Wiedemann, 1818 [PROVISIONALLY_ACCEPTED SPECIES 309001:9TKXV 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 309001:KSMLN nidx=null parent=B8X44]
 + Ceratopterideae T.Moore [SYNONYM TRIBE 309001:KSMLP 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 309001:KSMLQ nidx=null parent=B8X44]
Ceratospyris
 - Ceratospyris [ACCEPTED GENUS 308619:62K98 nidx=null]
 + Ceratospyris Ehrenberg, 1847 [ACCEPTED GENUS 309001:KSMLX nidx=null]
Cercopis hemorroidalis
 - Cercopis hemorroidalis (Schrank, 1781) [SYNONYM SPECIES 308619:CTV6C nidx=null parent=76Q6T]
 + Cercopis hemorroidalis (Schrank, 1781) [SYNONYM SPECIES 309001:KSMVL nidx=null parent=76Q6T]
Cerebratulus steeneni
 - Cerebratulus steeneni [SYNONYM SPECIES 308619:SWNC nidx=null parent=4DJBG]
 + Cerebratulus steeneni Bürger, 1893 [SYNONYM SPECIES 309001:KSMXG nidx=null parent=4DJBG]
Cerebratulus steinini
 - Cerebratulus steinini [SYNONYM SPECIES 308619:5XLQC nidx=null parent=4DJBG]
 + Cerebratulus steinini (Bürger, 1893) [SYNONYM SPECIES 309001:KSMXH nidx=null parent=4DJBG]
Ceroxys ethiopia
 - †Ceroxys ethiopia Meunier, 1908 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SQX nidx=null]
 + Ceroxys ethiopia Meunier, 1908 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JMS5 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 309001:857QX nidx=null parent=PWMD]
Chamaeidae
 - Chamaeidae Gambel, 1847 [SYNONYM FAMILY 308619:7ZC nidx=null parent=626LT]
 + Chamaeidae [SYNONYM FAMILY 309001:KSPC8 nidx=null parent=DDDL7]
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 309001:KSQ22 nidx=null parent=B8X36]
 + Cheilantheae Tod. [SYNONYM TRIBE 309001:KSQ23 nidx=null parent=B8X36]
Cheilanthinae
 - Cheilanthinae Diels [SYNONYM UNRANKED 308619:BW5JY nidx=null parent=B8X36]
 + Cheilanthinae Diels [SYNONYM SUBTRIBE 309001:KSQBX 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 309001:KSQBY nidx=null parent=B8X36]
 + Cheilanthoideae (J.Sm.) W.C.Shieh [SYNONYM SUBFAMILY 309001:KSQBZ nidx=null parent=B8X36]
Cheilosia nigroapicata
 - Cheilosia nigroapicata Curran, 1926 [ACCEPTED SPECIES 308619:92LQG nidx=null]
 + Cheilosia nigroapicata Curran, 1926 [ACCEPTED SPECIES 309001:TSRZ nidx=null]
Cheilosialepta baltica
 - †Cheilosialepta baltica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3SRQ nidx=null]
 + Cheilosialepta baltica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JMVJ nidx=null]
Cheiropleuriaceae
 - Cheiropleuriaceae Nakai [SYNONYM UNRANKED 308619:CK2KL nidx=null parent=B8WSQ]
 + Cheiropleuriaceae Nakai [SYNONYM FAMILY 309001:KSQFV nidx=null parent=B8WSQ]
Chironomus tripartitus
 - Chironomus tripartitus Kieffer, 1910 [SYNONYM SPECIES 308619:889BF nidx=null parent=CDWTT]
 + Chironomus tripartitus Kieffer, 1910 [SYNONYM SPECIES 309001:5Y6FG 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 309001: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 309001: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 309001:9JN92 nidx=null]
Chortophila varipes
 - Chortophila varipes Pokorny, 1889 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ST2 nidx=null]
 + Chortophila varipes Pokorny, 1889 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JN9D nidx=null]
Chremistica seminigra
 - Chremistica seminigra (Distant, 1909) [ACCEPTED SPECIES 308619:8KL9V nidx=null]
 + Chremistica seminigra (Distant, 1909) [ACCEPTED SPECIES 309001:5YFCR nidx=null]
Christella × wildemanii
 - Christella × wildemanii (Christ) comb. ined. [PROVISIONALLY_ACCEPTED SPECIES 308619:B9SCX nidx=null]
 + Christella × wildemanii Christ [PROVISIONALLY_ACCEPTED SPECIES 309001:KSPBX 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 309001:CW5FY nidx=null parent=5YNYZ]
Cibotieae
 - Cibotieae Pfeiff. [SYNONYM UNRANKED 308619:BW5M2 nidx=null parent=B8WRV]
 + Cibotieae Pfeiff. [SYNONYM TRIBE 309001:KSQMQ nidx=null parent=B8WRV]
Cicada aethyops
 - Cicada aethyops Schrank, 1781 [SYNONYM SPECIES 308619:CTXLH nidx=null parent=76Q6T]
 + Cicada aethyops Schrank, 1781 [SYNONYM SPECIES 309001:KSQNH nidx=null parent=76Q6T]
Cicada fusconervosa
 - Cicada fusconervosa Stål, 1855 [SYNONYM SPECIES 308619:8HY7J nidx=null parent=8JNK7]
 + Cicada fusconervosa Stål, 1855 [SYNONYM SPECIES 309001:V5QZ nidx=null parent=8JNK7]
Cicada hilaris
 - Cicada hilaris (Ramos, 1983) non Germar, 1834 [SYNONYM SPECIES 308619:8HY8T nidx=null parent=CSQLL]
 + Cicada hilaris (Ramos Alemar, 1983) [SYNONYM SPECIES 309001:KSQNT nidx=null parent=CSQLL]
Cicada kaempferi
 - Cicada kaempferi (Fabricius, 1794) [SYNONYM SPECIES 308619:CTXM3 nidx=null parent=CL3M3]
 + Cicada kaempferi (Fabricius, 1794) [SYNONYM SPECIES 309001:KSQNX nidx=null parent=CL3M3]
Cicada maculata
 - Cicada maculata Villers, 1789 [AMBIGUOUS_SYNONYM SPECIES 308619:V5VX nidx=null parent=V5M3]
 + Cicada maculata De Villers, 1789 [AMBIGUOUS_SYNONYM SPECIES 309001:8HY9W nidx=null parent=V5M3]
Cicada scutata
 - Cicada scutata Goeze, 1778 [PROVISIONALLY_ACCEPTED SPECIES 308619:5Z4NV nidx=null]
 + Cicada scutata Seba, 1765 [PROVISIONALLY_ACCEPTED SPECIES 309001:V67V nidx=null]
Cicada serricostata
 - Cicada serricostata Karsch, 1890 [SYNONYM SPECIES 308619:V68P nidx=null parent=4R7FL]
 + Cicada serricostata (Walker, 1850) [SYNONYM SPECIES 309001:KSQPL 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 309001: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 309001:KSQRC 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 309001:KSQRF 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 309001:KSQRG 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 309001:8RJ8R nidx=null]
Cicadula quadrilineatus
 - Cicadula quadrilineatus Forbes, 1885 [SYNONYM SPECIES 308619:CTXQD nidx=null parent=8JWBD]
 + Cicadula quadrilineatus Forbes, 1885 [SYNONYM SPECIES 309001:KSQSP nidx=null parent=8JWBD]
Cicindela interrupta
 - Cicindela interrupta Beuthin, 1895 unavailable name [AMBIGUOUS_SYNONYM SPECIES 308619:CTXTZ nidx=null parent=8MFD8]
 + Cicindela interrupta Beuthin, 1895 [AMBIGUOUS_SYNONYM SPECIES 309001:V9GM nidx=null parent=8MFD8]
 + Cicindela interrupta Beuthin, 1893 [AMBIGUOUS_SYNONYM SPECIES 309001:KSQWR nidx=null parent=8LW9J]
Ciliocincta
 - Ciliocincta [ACCEPTED GENUS 308619:3PW3 nidx=null]
 + Ciliocincta Kozloff, 1965 [ACCEPTED GENUS 309001:KSR78 nidx=null]
Cinclidotus nigricans
 - Cinclidotus nigricans (Brid.) Wijk & Margad. [SYNONYM SPECIES 308619:9L7BL nidx=null parent=VDNM]
 + Cinclidotus nigricans (Brid.) Dixon [SYNONYM SPECIES 309001:KSR9L nidx=null parent=VDNM]
Cirratulus tentaculatus meridionalis
 - Cirratulus tentaculatus meridionalis Marenzeller, 1887 [SYNONYM SUBSPECIES 308619:85S6Q nidx=null parent=5DVGR]
 + Cirratulus tentaculatus meridionalis Marenzeller, 1887 [SYNONYM SUBSPECIES 309001:5GGLX 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 309001:KSN8T nidx=null parent=52J42]
Cistena pallassii
 - Cistena pallassii Leach, 1816 [SYNONYM SPECIES 308619:852L6 nidx=null parent=75VKH]
 + Cistena pallassii Leach, 1816 [SYNONYM SPECIES 309001:VLD8 nidx=null parent=75VKH]
Clathria compressa
 - Clathria compressa (Bowerbank, 1875) [ACCEPTED SPECIES 308619:5Z7YQ nidx=null]
 + Clathria compressa [ACCEPTED SPECIES 309001:KSP4Y nidx=null]
Cnidopus veratra
 - Cnidopus veratra (Drayton in Dana, 1846) [SYNONYM SPECIES 308619:CTYBH nidx=null parent=JRGV]
 + Cnidopus veratra (Drayton in Dana, 1846) [SYNONYM SPECIES 309001:KSRC3 nidx=null parent=JRGV]
Coccodiscidae
 - Coccodiscidae [ACCEPTED FAMILY 308619:624CR nidx=null]
 + Coccodiscidae Haeckel, 1862 [ACCEPTED FAMILY 309001:KSRKY nidx=null]
Cochlicopa (Sinizua) davidis
 - Cochlicopa (Sinizua) davidis (Ancey, 1882) [SYNONYM SPECIES 308619:9CQ97 nidx=null parent=7QQTV]
 + Cochlicopa (Sinizua) davidis [SYNONYM SPECIES 309001:KSRPP nidx=null parent=KTV3S]
Codakia (Jagonia) pertenera
 - Codakia (Jagonia) pertenera Dall, 1903 [SYNONYM SPECIES 308619:CTYYS nidx=null parent=6HQGZ]
 + Codakia (Jagonia) pertenera Dall, 1903 [SYNONYM SPECIES 309001:KSS2K nidx=null parent=6HQGZ]
Coelopleurus floridanus interruptus
 - Coelopleurus floridanus interruptus Döderlein, 1910 [SYNONYM SUBSPECIES 308619:CTVQS nidx=null parent=WSJC]
 + Coelopleurus floridanus interruptus Döderlein, 1910 [SYNONYM SUBSPECIES 309001:KSNKB nidx=null parent=WSJC]
Coelosphaera (Coelosphaera) dichela var. gracilis
 - Coelosphaera (Coelosphaera) dichela var. gracilis (Hentschel, 1912) [SYNONYM VARIETY 308619:CRRTY nidx=null parent=WSYN]
 + Coelosphaera (Coelosphaera) dichela var. gracilis (Hentschel, 1912) [SYNONYM VARIETY 309001:KSNKH nidx=null parent=WSYN]
Collosphaera
 - Collosphaera [ACCEPTED GENUS 308619:3SDT nidx=null]
 + Collosphaera Müller, 1859 [ACCEPTED GENUS 309001:KSPH6 nidx=null]
Cololejeunea micrandroecia
 - Cololejeunea micrandroecia (Spruce) M. Menzel [ACCEPTED SPECIES 308619:X7BQ nidx=null]
 + Cololejeunea micrandroecia (Spruce) R.M. Schust. [ACCEPTED SPECIES 309001:KSPPS nidx=null]
Colpocephalum haliaeti
 - Colpocephalum haliaeti Denny, 1842 [SYNONYM SPECIES 308619:8MY8G nidx=null parent=3RG62]
 + Colpocephalum haliaeti Denny, 1842 [SYNONYM SPECIES 309001:5ZMKK nidx=null parent=3RG62]
Colpocephalum majus
 - Colpocephalum majus Piaget, 1885 [AMBIGUOUS_SYNONYM SPECIES 308619:CRTC4 nidx=null parent=X8WQ]
 + Colpocephalum majus Piaget, 1885 [AMBIGUOUS_SYNONYM SPECIES 309001:KSPSC nidx=null parent=X8WQ]
 + Colpocephalum majus Piaget, 1880 [AMBIGUOUS_SYNONYM SPECIES 309001:KSPSD nidx=null parent=5ZMLX]
Colpodota (Solenia)
 - Colpodota (Solenia) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 308619:CTWS7 nidx=null parent=9JBB5]
 + Colpodota (Solenia) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 309001:KSPTL nidx=null parent=9JBB5]
 + Colpodota (Solenia) Mulsant & Rey, 1873 [SYNONYM SUBGENUS 309001:KSPTM nidx=null parent=9JBB5]
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 309001:5N7TQ 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 309001: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 309001: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 309001: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 309001: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 309001: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 309001: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 309001: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 309001: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 309001:KQP2Y nidx=null]
Conocephalus (Opeastylus) longipes
 - Conocephalus (Opeastylus) longipes (Redtenbacher, 1891) [ACCEPTED SPECIES 308619:XQ7X nidx=null]
 + Conocephalus (Opeastylus) longipes (Redtenbacher, 1891) [ACCEPTED SPECIES 309001:KQ9MN nidx=null]
Conops (Smithiconops) brunnipennis
 - Conops (Smithiconops) brunnipennis Kröber, 1915 [ACCEPTED SPECIES 308619:92PBP nidx=null]
 + Conops (Smithiconops) brunnipennis Kröber, 1915 [ACCEPTED SPECIES 309001:8BK3S nidx=null]
Conus (Chelyconus) mediterraneus
 - Conus (Chelyconus) mediterraneus Hwass, 1792 [SYNONYM SPECIES 308619:CTYF3 nidx=null parent=XYHD]
 + Conus (Chelyconus) mediterraneus Hwass, 1792 [SYNONYM SPECIES 309001:KSRH3 nidx=null parent=XYHD]
Conus (Cylindrella)
 - Conus (Cylindrella) Swainson, 1840 [SYNONYM SUBGENUS 308619:CTWFL nidx=null parent=7NTGM]
 + Conus (Cylindrella) Swainson, 1840 [SYNONYM SUBGENUS 309001:KSPBR nidx=null parent=7NTGM]
Conus (Lautoconus) mordeirae
 - Conus (Lautoconus) mordeirae Rolán & Trovão, 1990 [SYNONYM SPECIES 308619:CTYHG nidx=null parent=XX95]
 + Conus (Lautoconus) mordeirae Rolán & Trovão, 1990 [SYNONYM SPECIES 309001:KSRKH nidx=null parent=XX95]
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 INFRASPECIFIC_NAME 309001:KSS4G 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 309001: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 309001:9JNW9 nidx=null]
Cornutella
 - Cornutella [ACCEPTED GENUS 308619:62MDD nidx=null]
 + Cornutella Ehrenberg, 1838 [ACCEPTED GENUS 309001:KSP83 nidx=null]
Corocalyptra
 - Corocalyptra [ACCEPTED GENUS 308619:62MCV nidx=null]
 + Corocalyptra Haeckel, 1887 [ACCEPTED GENUS 309001:KSP85 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 309001:KSQHY nidx=null parent=YTFL]
Cosmopsaltria minahasae
 - Cosmopsaltria minahasae Distant, 1888 [SYNONYM SPECIES 308619:BMTXX nidx=null parent=365R5]
 + Cosmopsaltria minahasae Distant, 1888 [SYNONYM SPECIES 309001:BJVG7 nidx=null parent=365R5]
Cosmosciara hartii
 - Cosmosciara hartii (Johannsen, 1912) [ACCEPTED SPECIES 308619:8BLH2 nidx=null]
 + Cosmosciara hartii (Johannsen, 1912) [ACCEPTED SPECIES 309001:8BLH3 nidx=null]
Crassatellites (Scambula) montserratensis
 - Crassatellites (Scambula) montserratensis Maury, 1925 [SYNONYM SPECIES 308619:CTYKP nidx=null parent=3QZDJ]
 + Crassatellites (Scambula) montserratensis Maury, 1925 [SYNONYM SPECIES 309001:KSRMJ nidx=null parent=3QZDJ]
Cratoneuron commutatum
 - Cratoneuron commutatum (Hedw.) G. Roth [SYNONYM SPECIES 308619:9L84M nidx=null parent=4C83S]
 + Cratoneuron commutatum (Hedw.) Loeske [SYNONYM SPECIES 309001: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 309001: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 309001:CW55W nidx=null parent=Z9RW]
Cryptogonium
 - Cryptogonium (Müll. Hal.) Hampe [ACCEPTED GENUS 308619:9JJF3 nidx=null]
 + Cryptogonium (Müll. Hal.) A. Jaeger [ACCEPTED GENUS 309001:KSRBQ nidx=null]
Cryptogramminae
 - Cryptogramminae Prantl [SYNONYM UNRANKED 308619:BW5LR nidx=null parent=6274Z]
 + Cryptogramminae Prantl [SYNONYM SUBTRIBE 309001:KSRBR 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 309001:KSRCC nidx=null]
Ctenidium pinnatum
 - Ctenidium pinnatum (Broth. & Paris) Broth. [ACCEPTED SPECIES 308619:324G7 nidx=null]
 + Ctenidium pinnatum (Broth. & Paris) Ihsiba [ACCEPTED SPECIES 309001:KSRYM nidx=null]
Ctenophorocera polleniina
 - Ctenophorocera polleniina Bezzi, 1908 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3T9S nidx=null]
 + Ctenophorocera polleniina Bezzi, 1908 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JP34 nidx=null]
Ctenopteryx
 - Ctenopteryx Appellöf, 1890 [SYNONYM GENUS 308619:BDYBH nidx=null parent=7NSVS]
 + Ctenopteryx [SYNONYM GENUS 309001: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 309001:32BHJ nidx=null]
Culex escomeli
 - Culex escomeli Brèthes, 1920 [SYNONYM SPECIES 308619:88FC9 nidx=null parent=8BMH5]
 + Culex escomeli Brèthes, 1920 [SYNONYM SPECIES 309001:32B68 nidx=null parent=8BMH5]
Culex fossilis
 - †Culex fossilis Brodie, 1845 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3TB4 nidx=null]
 + Culex fossilis Brodie, 1845 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JP45 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 309001:96HYW nidx=null parent=BFNT5]
Cyathea apiculata
 - Cyathea apiculata (Alderw.) Alderw. [SYNONYM SPECIES 308619:BZ6KT nidx=null parent=B937L]
 + Cyathea apiculata (Rosenst.) Domin [SYNONYM SPECIES 309001:CW6TW nidx=null parent=B937L]
Cyatheeae
 - Cyatheeae Gaudich. [SYNONYM UNRANKED 308619:BW5KW nidx=null parent=B8V9T]
 + Cyatheeae Gaudich. [SYNONYM TRIBE 309001:KSTH8 nidx=null parent=B8V9T]
Cyatheidae
 - Cyatheidae Doweld [SYNONYM UNRANKED 308619:BW5LQ nidx=null parent=B8V49]
 + Cyatheidae Doweld [SYNONYM SUBCLASS 309001:KSTH9 nidx=null parent=B8V49]
Cyatheinae
 - Cyatheinae Dumort. [SYNONYM UNRANKED 308619:BW5J7 nidx=null parent=B8V9T]
 + Cyatheinae Dumort. [SYNONYM SUBTRIBE 309001:KSTHB nidx=null parent=B8V9T]
Cyatheineae
 - Cyatheineae Bessey [SYNONYM UNRANKED 308619:BW5LX nidx=null parent=B8V9T]
 + Cyatheineae Bessey [SYNONYM SUBORDER 309001:KSTHC nidx=null parent=B8V9T]
Cyathoseris parvistella
 - †Cyathoseris parvistella Gerth, 1925 [ACCEPTED SPECIES 308619:863LW nidx=null]
 + Cyathoseris parvistella Michelotti, 1871 [ACCEPTED SPECIES 309001:KSTJQ 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 309001:KSTP8 nidx=null parent=6C4DS]
Cyclolites cristatus
 - Cyclolites cristatus Lamarck, 1801 [SYNONYM SPECIES 308619:CV2JQ nidx=null parent=B22JB]
 + Cyclolites cristatus Lamarck, 1801 [SYNONYM SPECIES 309001:KSTR2 nidx=null parent=B22JB]
Cyclommatini
 - Cyclommatini Huang & Chen, 2013 [SYNONYM GENUS 308619:B3HGJ nidx=null parent=KYF]
 + Cyclommatini Huang & Chen, 2013 [ACCEPTED TRIBE 309001:KRP nidx=null]
Cyclophorus (Theobaldia)
 - Cyclophorus (Theobaldia) G. Nevill, 1878 [SYNONYM SUBGENUS 308619:BGVWD nidx=null parent=7PJD7]
 + Cyclophorus (Theobaldia) P. Fischer, 1885 [SYNONYM SUBGENUS 309001:KSTTF nidx=null parent=7PJD7]
Cyclosorinae
 - Cyclosorinae Ching [SYNONYM UNRANKED 308619:BW5J3 nidx=null parent=B8X4T]
 + Cyclosorinae Ching [SYNONYM SUBTRIBE 309001:KSQY7 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 309001:6C6TZ 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 309001:KSS3F nidx=null parent=WHZ3]
Cypraea (Luponia) trelissickensis
 - Cypraea (Luponia) trelissickensis Suter, 1917 [SYNONYM SPECIES 308619:CRXNV nidx=null parent=6SB53]
 + Cypraea (Luponia) trelissickensis Suter, 1917 [SYNONYM SPECIES 309001:KSSJ4 nidx=null parent=6SB53]
Cyprideis (Neocyprideis)
 - Cyprideis (Neocyprideis) [SYNONYM SUBGENUS 308619:BS9S5 nidx=null parent=84RQC]
 + Cyprideis (Neocyprideis) Apostolescu, 1956 [SYNONYM SUBGENUS 309001:KSSKL nidx=null parent=84RQC]
Cytherea (Ventricola) magdalenae
 - Cytherea (Ventricola) magdalenae Dall, 1902 [SYNONYM SPECIES 308619:CV28Q nidx=null parent=6KJBL]
 + Cytherea (Ventricola) magdalenae Dall, 1902 [SYNONYM SPECIES 309001:KSTGG nidx=null parent=6KJBL]
Danaeeae
 - Danaeeae T.Moore [SYNONYM UNRANKED 308619:BW5KC nidx=null parent=B8VFL]
 + Danaeeae T.Moore [SYNONYM TRIBE 309001:KSVB3 nidx=null parent=B8VFL]
Danaeoideae
 - Danaeoideae J.Williams [SYNONYM UNRANKED 308619:BW5LH nidx=null parent=B8VGX]
 + Danaeoideae J.Williams [SYNONYM SUBFAMILY 309001:KSVB4 nidx=null parent=B8VGX]
Daptonema crassissimus
 - Daptonema crassissimus (Ditlevsen, 1911) [SYNONYM SPECIES 308619:BMVJ2 nidx=null parent=BSZ86]
 + Daptonema crassissimus (Ditlevsen, 1911) [SYNONYM SPECIES 309001:BJWJF nidx=null parent=BSZ86]
Dasia
 - Dasia [SYNONYM GENUS 308619:8NQM3 nidx=null parent=8NY23]
 + Dasia Gómez-Menor Ortega, 1950 [SYNONYM GENUS 309001:KSVGD 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 309001:349LG nidx=null parent=8B38Z]
Davalliales
 - Davalliales Schmakov [SYNONYM UNRANKED 308619:BV8DT nidx=null parent=B8TXB]
 + Davalliales Schmakov [SYNONYM ORDER 309001:KSRC8 nidx=null parent=B8TXB]
Davalliinae
 - Davalliinae Payer [SYNONYM UNRANKED 308619:BW5M8 nidx=null parent=B8TXB]
 + Davalliinae Payer [SYNONYM SUBTRIBE 309001:KSRC9 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 309001:9JPZL nidx=null]
Deltocephalus (Recilia) fletcheri
 - Deltocephalus (Recilia) fletcheri (Singh-Pruthi, 1930) [SYNONYM SPECIES 308619:CRXCS nidx=null parent=8RLVQ]
 + Deltocephalus (Recilia) fletcheri (Singh-Pruthi, 1930) [SYNONYM SPECIES 309001:KSS7B nidx=null parent=8RLVQ]
Dendrocoelum lacteum crenata
 - Dendrocoelum lacteum crenata (Müller OF, 1773) [ACCEPTED SUBSPECIES 308619:CRXNW nidx=null]
 + Dendrocoelum lacteum crenata (Müller OF, 1773) [ACCEPTED SUBSPECIES 309001:KSSJ5 nidx=null]
Dendromyia (Calladimyia) melanoides
 - Dendromyia (Calladimyia) melanoides Root, 1928 [SYNONYM SPECIES 308619:88JM9 nidx=null parent=5C4BH]
 + Dendromyia (Calladimyia) melanoides Root, 1928 [SYNONYM SPECIES 309001:34QNS nidx=null parent=5C4BH]
Dennstaedtiidae
 - Dennstaedtiidae Doweld [SYNONYM UNRANKED 308619:BW528 nidx=null parent=B8TXB]
 + Dennstaedtiidae Doweld [SYNONYM SUBCLASS 309001:KSSP2 nidx=null parent=B8TXB]
Dennstaedtiinae
 - Dennstaedtiinae Prantl [SYNONYM UNRANKED 308619:BW5JG nidx=null parent=BSG5Y]
 + Dennstaedtiinae Prantl [SYNONYM SUBTRIBE 309001:KSSP3 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 309001:KSSPL 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 309001:34X2D nidx=null parent=4JNFN]
Dermomurex (Dermomurex)
 - Dermomurex (Dermomurex) Monterosato, 1890 [SYNONYM SUBGENUS 308619:CTRB3 nidx=null parent=7NVT5]
 + Dermomurex (Dermomurex) Monterosato, 1890 [SYNONYM SUBGENUS 309001:KSJ65 nidx=null parent=7NVT5]
Diaptomus (Mastigodiaptomus) albuquerquensis
 - Diaptomus (Mastigodiaptomus) albuquerquensis Herrick, 1895 [SYNONYM SPECIES 308619:CS27V nidx=null parent=3YCX5]
 + Diaptomus (Mastigodiaptomus) albuquerquensis Herrick, 1895 [SYNONYM SPECIES 309001:KSVHF nidx=null parent=3YCX5]
Dichelacera abiens
 - Dichelacera abiens Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3TKF nidx=null]
 + Dichelacera abiens Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JQ6L nidx=null]
Dicksonia karsteniana var. spruceana
 - Dicksonia karsteniana var. spruceana (Mett.) [ACCEPTED VARIETY 308619:BD45P nidx=null]
 + Dicksonia karsteniana var. spruceana Mett. [ACCEPTED VARIETY 309001:KSS2M nidx=null]
Dicksonieae
 - Dicksonieae Gaudich. [SYNONYM UNRANKED 308619:BV8J4 nidx=null parent=B8V9Y]
 + Dicksonieae Gaudich. [SYNONYM TRIBE 309001:KSS2P 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 309001:35QRQ 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 309001: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 309001:35QXT 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 309001: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 ex Doweld [SYNONYM FAMILY 309001:KSS4L nidx=null parent=B8VGT]
 + Dicranopteridaceae Ching [SYNONYM FAMILY 309001:KSS4M 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 309001:KSS7P 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 309001: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 309001:KSS7X nidx=null parent=9SMS6]
Dicranum longipilum
 - Dicranum longipilum Müll. Hal. [SYNONYM SPECIES 308619:9RZL2 nidx=null parent=QHPF]
 + Dicranum longipilum Hampe [SYNONYM SPECIES 309001:KSS82 nidx=null parent=QHPF]
Dictyoclineae
 - Dictyoclineae Ching [SYNONYM UNRANKED 308619:BW5LK nidx=null parent=B8X4T]
 + Dictyoclineae Ching [SYNONYM SUBORDER 309001:KSSB6 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 309001:KSSB8 nidx=null parent=86YHS]
Dictyocoryne
 - Dictyocoryne [ACCEPTED GENUS 308619:44YP nidx=null]
 + Dictyocoryne Ehrenberg, 1860 [ACCEPTED GENUS 309001:KSSB9 nidx=null]
Dictyophimus
 - Dictyophimus [ACCEPTED GENUS 308619:4528 nidx=null]
 + Dictyophimus Ehrenberg, 1847 [ACCEPTED GENUS 309001:KSSBM nidx=null]
Didymodiclinus kovaljovae
 - Didymodiclinus kovaljovae (Nikolaeva & Gaevskaja, 1985) Pozdnyakov, 1994 [ACCEPTED SPECIES 308619:84869 nidx=null]
 + Didymodiclinus kovaljovae (Nikolaeva & Gaevskaja, 1985) Pozdnyakov, 1994 [ACCEPTED SPECIES 309001:35YSQ nidx=null]
Didymoglosseae
 - Didymoglosseae C.Presl [SYNONYM UNRANKED 308619:BW5JW nidx=null parent=B8X4W]
 + Didymoglosseae C.Presl [SYNONYM TRIBE 309001:KSSLX nidx=null parent=B8X4W]
Diphyscium sessile
 - Diphyscium sessile Lindb. [SYNONYM SPECIES 308619:9LB67 nidx=null parent=36G9T]
 + Diphyscium sessile Röhl. [SYNONYM SPECIES 309001:CW5Q2 nidx=null parent=36G9T]
Diplazieae
 - Diplazieae Pfeiff. [SYNONYM UNRANKED 308619:BW5LC nidx=null parent=B8VGN]
 + Diplazieae Pfeiff. [SYNONYM TRIBE 309001:KSTZB 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 309001:9JQ89 nidx=null]
Dipteridinae
 - Dipteridinae Diels [SYNONYM UNRANKED 308619:B8X6G nidx=null parent=B8WSQ]
 + Dipteridinae Diels [SYNONYM SUBTRIBE 309001:KSVNH nidx=null parent=B8WSQ]
Dipteridoideae
 - Dipteridoideae Nathorst [SYNONYM UNRANKED 308619:BW5LM nidx=null parent=B8WSQ]
 + Dipteridoideae Nathorst [SYNONYM SUBFAMILY 309001:KSVNJ nidx=null parent=B8WSQ]
Disolenia
 - Disolenia [ACCEPTED GENUS 308619:46VH nidx=null]
 + Disolenia Ehrenberg, 1861 [ACCEPTED GENUS 309001:KSVXX nidx=null]
Docophorus rotundus
 - Docophorus rotundus Rudow, 1869 [SYNONYM SPECIES 308619:8MYW7 nidx=null parent=7L2FG]
 + Docophorus rotundus Rudow, 1869 [SYNONYM SPECIES 309001:37398 nidx=null parent=7L2FG]
Dolichopus (Dolichopus) intermedius
 - Dolichopus (Dolichopus) intermedius Staeger, 1842 [ACCEPTED SPECIES 308619:CD6CJ nidx=null]
 + Dolichopus (Dolichopus) intermedius Staeger, 1842 [ACCEPTED SPECIES 309001:KSSNT nidx=null]
Dolichopus (Dolichopus) maculicornis
 - Dolichopus (Dolichopus) maculicornis Verrall, 1875 [ACCEPTED SPECIES 308619:CQB2J nidx=null]
 + Dolichopus (Dolichopus) maculicornis Verrall, 1875 [ACCEPTED SPECIES 309001:KSSNV nidx=null]
Dolichopus (Dolichopus) pallidicoxa
 - Dolichopus (Dolichopus) pallidicoxa Roser, 1840 [ACCEPTED SPECIES 308619:CLNSY nidx=null]
 + Dolichopus (Dolichopus) pallidicoxa Roser, 1840 [ACCEPTED SPECIES 309001:KSSNW nidx=null]
Dolichopus (Dolichopus) tibiellus
 - Dolichopus (Dolichopus) tibiellus Zetterstedt, 1843 [ACCEPTED SPECIES 308619:CFQ6M nidx=null]
 + Dolichopus (Dolichopus) tibiellus Zetterstedt, 1843 [ACCEPTED SPECIES 309001:KSSP6 nidx=null]
Dolichopus (Dolichopus) vicinus
 - Dolichopus (Dolichopus) vicinus Macquart, 1834 [ACCEPTED SPECIES 308619:CRXWH nidx=null]
 + Dolichopus (Dolichopus) vicinus Macquart, 1834 [ACCEPTED SPECIES 309001:KSSP7 nidx=null]
Doodieae
 - Doodieae Gaudich. [SYNONYM UNRANKED 308619:BW5LB nidx=null parent=BV8PB]
 + Doodieae Gaudich. [SYNONYM TRIBE 309001:KST27 nidx=null parent=BV8PB]
Draeculacephala sagittifera
 - Draeculacephala sagittifera (Uhler, 1895) [SYNONYM SPECIES 308619:CRZMH nidx=null parent=8JHMY]
 + Draeculacephala sagittifera (Uhler, 1895) [SYNONYM SPECIES 309001:KSTY5 nidx=null parent=8JHMY]
Drosophila cinerella
 - Drosophila cinerella Fallén, 1823 [SYNONYM SPECIES 308619:88MJQ nidx=null parent=8BT6R]
 + Drosophila cinerella Fallén, 1823 [SYNONYM SPECIES 309001:6DM4R nidx=null parent=8BT6R]
Drymosphaera
 - Drymosphaera [ACCEPTED GENUS 308619:48H7 nidx=null]
 + Drymosphaera Haeckel, 1881 [ACCEPTED GENUS 309001:KSVN7 nidx=null]
Drynarioideae
 - Drynarioideae Crabbe, Jermy & Mickel [SYNONYM UNRANKED 308619:B8X3D nidx=null parent=BVRCQ]
 + Drynarioideae Crabbe, Jermy & Mickel [SYNONYM SUBFAMILY 309001:KSVNF nidx=null parent=BVRCQ]
Dryopteridales
 - Dryopteridales Shmakov [SYNONYM UNRANKED 308619:B8WLL nidx=null parent=B8TXB]
 + Dryopteridales Shmakov [SYNONYM ORDER 309001:KSVP2 nidx=null parent=B8TXB]
Dryopterideae
 - Dryopterideae Ching [SYNONYM UNRANKED 308619:BW4KQ nidx=null parent=B8X3F]
 + Dryopterideae Ching [SYNONYM TRIBE 309001:KSVP3 nidx=null parent=B8X3F]
Dryopteris parabissetiana
 - Dryopteris parabissetiana [ACCEPTED SPECIES 308619:C39BC nidx=null]
 + Dryopteris parabissetiana H.-J.Wei & Z.Y.Zuo [ACCEPTED SPECIES 309001:KSVR5 nidx=null]
Dryopteris × tiantangzhaiensis
 - Dryopteris × tiantangzhaiensis [ACCEPTED SPECIES 308619:C39B5 nidx=null]
 + Dryopteris × tiantangzhaiensis H.-J.Wei & B.Chen [ACCEPTED SPECIES 309001:KSVRW nidx=null]
Dundubia fasciceps
 - Dundubia fasciceps Stål, 1854 [SYNONYM SPECIES 308619:8J37N nidx=null parent=8JJ7R]
 + Dundubia fasciceps Stål, 1854 [SYNONYM SPECIES 309001:382M6 nidx=null parent=8JJ7R]
Durettenema
 - Durettenema [ACCEPTED GENUS 308619:99TZY nidx=null]
 + Durettenema Ju, Li & Zhang, 2017 [ACCEPTED GENUS 309001:KSVYQ nidx=null]
Dyadimyia aurea
 - Dyadimyia aurea Séguy, 1937 [SYNONYM SPECIES 308619:88NR4 nidx=null parent=C2RY2]
 + Dyadimyia aurea Séguy, 1937 [SYNONYM SPECIES 309001:385HX nidx=null parent=C2RY2]
Dynatosoma gracile
 - Dynatosoma gracile Kertész, 1901 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3V3P nidx=null]
 + Dynatosoma gracile Kertész, 1901 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JQK5 nidx=null]
Echinopora irregularis
 - Echinopora irregularis Veron, Turak & DeVantier, 2000 [ACCEPTED SPECIES 308619:38JWP nidx=null]
 + Echinopora irregularis (Martin, 1880) [ACCEPTED SPECIES 309001:KSSSJ nidx=null]
Echinus cordatus
 - Echinus cordatus Pennant, 1777 [SYNONYM SPECIES 308619:CTZSZ nidx=null parent=38GP4]
 + Echinus cordatus Pennant, 1777 [SYNONYM SPECIES 309001:KSSX6 nidx=null parent=38GP4]
Echinus esculentus var. tenuispinus
 - Echinus esculentus var. tenuispinus Norman, 1868 [SYNONYM VARIETY 308619:CTZT2 nidx=null parent=38LLC]
 + Echinus esculentus var. tenuispinus Norman, 1868 [SYNONYM VARIETY 309001:KSSX7 nidx=null parent=38LLC]
Ellasmoastraea intermedia
 - †Ellasmoastraea intermedia Michelotti in Sismonda, 1871 [ACCEPTED SPECIES 308619:BV28R nidx=null]
 + Ellasmoastraea intermedia (d'Achiardi, 1867) [ACCEPTED SPECIES 309001:KSVNV nidx=null]
Elleria
 - Elleria Piza Jr., 1947 [SYNONYM GENUS 308619:7PCZT nidx=null parent=7NMLL]
 + Elleria Piza, 1947 [SYNONYM GENUS 309001:KSVNZ nidx=null parent=7NMLL]
Elliptio aheneus oscari
 - Elliptio aheneus oscari (B. H. Wright, 1892) [SYNONYM SUBSPECIES 308619:CV3KD nidx=null parent=39BKC]
 + Elliptio aheneus oscari (B. H. Wright, 1892) [SYNONYM SUBSPECIES 309001:KSVQB nidx=null parent=39BKC]
Elphidium excavatum f. excavatum
 - Elphidium excavatum f. excavatum [SYNONYM FORM 308619:B47GV nidx=null parent=39CQC]
 + Elphidium excavatum f. excavatum (Terquem, 1875) [SYNONYM FORM 309001:KSVS5 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 309001:39CRT 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 309001:KSVSH 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 309001:39JJJ nidx=null]
Empis (Empis) vernalis
 - Empis (Empis) vernalis Meigen, 1822 [ACCEPTED SPECIES 308619:C9M49 nidx=null]
 + Empis (Empis) vernalis Meigen, 1822 [ACCEPTED SPECIES 309001:KSW5C 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 309001:9T5ZH 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 309001:KSWFR 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 309001:KSSR9 nidx=null parent=BV378]
Engystoma carolinensis
 - Engystoma carolinensis Holbrook, 1835 [SYNONYM SPECIES 308619:CRY4L nidx=null parent=3FDVS]
 + Engystoma carolinensis Holbrook, 1835 [SYNONYM SPECIES 309001:KSSW8 nidx=null parent=3FDVS]
Ephippium nigerrima
 - Ephippium nigerrima Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3V9Z nidx=null]
 + Ephippium nigerrima Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JQR6 nidx=null]
Epidapus (Epidapus) microthorax
 - Epidapus (Epidapus) microthorax (Börner, 1903) [ACCEPTED SPECIES 308619:8C2KW nidx=null]
 + Epidapus (Epidapus) microthorax (Börner, 1903) [ACCEPTED SPECIES 309001:6FQHY nidx=null]
Epidapus (Epidapus) schillei
 - Epidapus (Epidapus) schillei (Börner, 1903) [ACCEPTED SPECIES 308619:8C2KY nidx=null]
 + Epidapus (Epidapus) schillei (Börner, 1903) [ACCEPTED SPECIES 309001:6FQHV nidx=null]
Epidapus absoloni
 - Epidapus absoloni Czižek, 1915 [SYNONYM SPECIES 308619:88R6T nidx=null parent=8C2KY]
 + Epidapus absoloni Czižek, 1915 [SYNONYM SPECIES 309001:6G2H7 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 309001:KSWC8 nidx=null parent=82HC9]
Equisetidae
 - Equisetidae Warm. [SYNONYM UNRANKED 308619:CFSFB nidx=null parent=B8V4C]
 + Equisetidae Warm. [SYNONYM SUBCLASS 309001:KSWRY nidx=null parent=B8V4C]
Equisetineae
 - Equisetineae Rabenh. [SYNONYM UNRANKED 308619:BW5LP nidx=null parent=B8V4C]
 + Equisetineae Rabenh. [SYNONYM SUBORDER 309001:KSWRZ nidx=null parent=B8V4C]
Equisetophytina
 - Equisetophytina Reveal [SYNONYM UNRANKED 308619:BW52N nidx=null parent=B8V4C]
 + Equisetophytina Reveal [SYNONYM SUBPHYLUM 309001:KSWS2 nidx=null parent=B8V4C]
Equisetopsida
 - Equisetopsida C.Agardh [SYNONYM UNRANKED 308619:BV84R nidx=null parent=B8V4C]
 + Equisetopsida C.Agardh [SYNONYM CLASS 309001:KSWS3 nidx=null parent=B8V4C]
Erax nervosus
 - Erax nervosus Macquart, 1838 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3VFS nidx=null]
 + Erax nervosus Macquart, 1838 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JQS4 nidx=null]
Eriocera (Eriocera) andicola
 - Eriocera (Eriocera) andicola Alexander, 1923 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCGN nidx=null]
 + Eriocera (Eriocera) andicola Alexander, 1923 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV3M nidx=null]
Eriocera (Eriocera) antennaria
 - Eriocera (Eriocera) antennaria Doane, 1900 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCGS nidx=null]
 + Eriocera (Eriocera) antennaria Doane, 1900 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV3Q nidx=null]
Eriocera (Eriocera) antennata
 - Eriocera (Eriocera) antennata Alexander, 1930 [PROVISIONALLY_ACCEPTED SPECIES 308619:CV2TT nidx=null]
 + Eriocera (Eriocera) antennata Alexander, 1930 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV3T nidx=null]
Eriocera (Eriocera) aperta
 - Eriocera (Eriocera) aperta Alexander, 1920 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCGX nidx=null]
 + Eriocera (Eriocera) aperta Alexander, 1920 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV3V nidx=null]
Eriocera (Eriocera) bruneri
 - Eriocera (Eriocera) bruneri Alexander, 1928 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCHH nidx=null]
 + Eriocera (Eriocera) bruneri Alexander, 1928 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV47 nidx=null]
Eriocera (Eriocera) caesarea
 - Eriocera (Eriocera) caesarea Alexander, 1931 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCHL nidx=null]
 + Eriocera (Eriocera) caesarea Alexander, 1931 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV49 nidx=null]
Eriocera (Eriocera) chrysopteroides
 - Eriocera (Eriocera) chrysopteroides Alexander, 1922 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCHQ nidx=null]
 + Eriocera (Eriocera) chrysopteroides Alexander, 1922 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV4D 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 309001:KSV4G nidx=null]
Eriocera (Eriocera) cramptoni
 - Eriocera (Eriocera) cramptoni Alexander, 1928 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCJ3 nidx=null]
 + Eriocera (Eriocera) cramptoni Alexander, 1928 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV4M nidx=null]
Eriocera (Eriocera) cybele
 - Eriocera (Eriocera) cybele Alexander, 1927 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCJ7 nidx=null]
 + Eriocera (Eriocera) cybele Alexander, 1927 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV4Q nidx=null]
Eriocera (Eriocera) domingensis
 - Eriocera (Eriocera) domingensis Alexander, 1916 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCJB nidx=null]
 + Eriocera (Eriocera) domingensis Alexander, 1916 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV4R nidx=null]
Eriocera (Eriocera) eriophora
 - Eriocera (Eriocera) eriophora Williston, 1893 [PROVISIONALLY_ACCEPTED SPECIES 308619:CRZSX nidx=null]
 + Eriocera (Eriocera) eriophora Williston, 1893 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV4T nidx=null]
Eriocera (Eriocera) erythraea
 - Eriocera (Eriocera) erythraea Osten Sacken, 1886 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCJG nidx=null]
 + Eriocera (Eriocera) erythraea Osten Sacken, 1886 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV4W 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 309001:KSV4Z nidx=null]
Eriocera (Eriocera) fumidipennis
 - Eriocera (Eriocera) fumidipennis Alexander, 1927 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCJZ nidx=null]
 + Eriocera (Eriocera) fumidipennis Alexander, 1927 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV58 nidx=null]
Eriocera (Eriocera) gibbosa
 - Eriocera (Eriocera) gibbosa Doane, 1900 [PROVISIONALLY_ACCEPTED SPECIES 308619:CV2W8 nidx=null]
 + Eriocera (Eriocera) gibbosa Doane, 1900 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV5F 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 309001:KSV5N nidx=null]
Eriocera (Eriocera) kaieturensis
 - Eriocera (Eriocera) kaieturensis Alexander, 1914 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCKW nidx=null]
 + Eriocera (Eriocera) kaieturensis Alexander, 1914 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV5R nidx=null]
Eriocera (Eriocera) magnifica
 - Eriocera (Eriocera) magnifica Alexander, 1914 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCLM nidx=null]
 + Eriocera (Eriocera) magnifica Alexander, 1914 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV64 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 309001:KSV6C nidx=null]
Eriocera (Eriocera) perenensis
 - Eriocera (Eriocera) perenensis Alexander, 1923 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCMK nidx=null]
 + Eriocera (Eriocera) perenensis Alexander, 1923 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV6N 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 309001:KSV6W 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 309001:KSV6Z nidx=null]
Eriocera (Eriocera) shirakii
 - Eriocera (Eriocera) shirakii Edwards, 1921 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCNC nidx=null]
 + Eriocera (Eriocera) shirakii Edwards, 1921 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV74 nidx=null]
Eriocera (Eriocera) stricklandi
 - Eriocera (Eriocera) stricklandi Edwards, 1921 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQCNM nidx=null]
 + Eriocera (Eriocera) stricklandi Edwards, 1921 [PROVISIONALLY_ACCEPTED SPECIES 309001:KSV78 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 309001:KSV7F nidx=null]
Eristalis lapideus
 - †Eristalis lapideus Scudder, 1877 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3VHY nidx=null]
 + Eristalis lapideus Scudder, 1877 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JQTJ nidx=null]
Eristalis paucisinuatus
 - †Eristalis paucisinuatus Théobald, 1937 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3RK8 nidx=null]
 + Eristalis paucisinuatus Théobald, 1937 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JQTL nidx=null]
Erpodiaceae
 - Erpodiaceae Broth. [ACCEPTED FAMILY 308619:9JG2M nidx=null]
 + Erpodiaceae Müll. Hal. [ACCEPTED FAMILY 309001:KSSC2 nidx=null]
Erythroneura (Erythridula)
 - Erythroneura (Erythridula) Young, 1952 [SYNONYM SUBGENUS 308619:CND52 nidx=null parent=CJV4Q]
 + Erythroneura (Erythridula) Young, 1952 [SYNONYM SUBGENUS 309001:KSJ5G nidx=null parent=CJV4Q]
Euagoras geniculatus
 - Euagoras geniculatus Breddin, 1859 [ACCEPTED SPECIES 308619:3BMR6 nidx=null]
 + Euagoras geniculatus Breddin, 1899 [ACCEPTED SPECIES 309001:KSWJT nidx=null]
Euchelus (Hybochelus) cancellatus orientalis
 - Euchelus (Hybochelus) cancellatus orientalis Pilsbry, 1904 [SYNONYM SUBSPECIES 308619:CS439 nidx=null parent=3MY22]
 + Euchelus (Hybochelus) cancellatus orientalis Pilsbry, 1904 [SYNONYM SUBSPECIES 309001:KSX37 nidx=null parent=3MY22]
Euchelus circulatus
 - Euchelus circulatus (Anton, 1849) [ACCEPTED SPECIES 308619:3BSQ5 nidx=null]
 + Euchelus circulatus (R. A. Philippi, 1849) [ACCEPTED SPECIES 309001:KSX3B nidx=null]
Eucyrtidium
 - Eucyrtidium [ACCEPTED GENUS 308619:4FDW nidx=null]
 + Eucyrtidium Ehrenberg, 1847 [ACCEPTED GENUS 309001:KSXB7 nidx=null]
Eupteryx concinna
 - Eupteryx concinna (Germar, 1831) [SYNONYM SPECIES 308619:CV4VC nidx=null parent=3CZDK]
 + Eupteryx concinna (Germar, 1831) [SYNONYM SPECIES 309001:KSX38 nidx=null parent=3CZDK]
Eurhynchium
 - Eurhynchium Schimp. [ACCEPTED GENUS 308619:CJ2ZY nidx=null]
 + Eurhynchium Schimp. [ACCEPTED GENUS 309001:9JK8N 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 309001: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 309001:9JQZK nidx=null]
Eurigaster strigosa
 - Eurigaster strigosa Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3VKV nidx=null]
 + Eurigaster strigosa Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JQZQ nidx=null]
Eutettix phycitis
 - Eutettix phycitis Distant, 1908 [SYNONYM SPECIES 308619:CS5GT nidx=null parent=8RL3P]
 + Eutettix phycitis Distant, 1908 [SYNONYM SPECIES 309001:KSXWS nidx=null parent=8RL3P]
Fibularia (Fibulariella) acuta
 - Fibularia (Fibulariella) acuta Yoshiwara, 1898 [SYNONYM SPECIES 308619:CV4KK nidx=null parent=6HV8B]
 + Fibularia (Fibulariella) acuta Yoshiwara, 1898 [SYNONYM SPECIES 309001:KSWRB nidx=null parent=6HV8B]
Fidicina prone
 - Fidicina prone (Walker, 1850) [SYNONYM SPECIES 308619:CV4PM nidx=null parent=6HZ3M]
 + Fidicina prone (Walker, 1850) [SYNONYM SPECIES 309001:KSWWH nidx=null parent=6HZ3M]
Fidicina subguttata
 - Fidicina subguttata Walker, 1850 [SYNONYM SPECIES 308619:CLSVQ nidx=null parent=78C24]
 + Fidicina subguttata Walker, 1850 [SYNONYM SPECIES 309001:KSWWL 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 309001:5NYZN nidx=null parent=82HZS]
Fungivora lateralis
 - Fungivora lateralis Santos Abreu, 1920 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3VRL nidx=null]
 + Fungivora lateralis Santos Abreu, 1920 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JR3V 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 309001:KSZ56 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 309001:KSVTK nidx=null parent=82KTY]
Fusus (Clavella) sangiranensis
 - Fusus (Clavella) sangiranensis K. Martin, 1906 [SYNONYM SPECIES 308619:CQDH2 nidx=null parent=B8H76]
 + Fusus (Clavella) sangiranensis K. Martin, 1906 [SYNONYM SPECIES 309001:KSVTM nidx=null parent=B8H76]
Fusus (Fasciolaria) plexus
 - Fusus (Fasciolaria) plexus Wolff, 1897 [SYNONYM SPECIES 308619:CQDH5 nidx=null parent=874BS]
 + Fusus (Fasciolaria) plexus Wolff, 1897 [SYNONYM SPECIES 309001:KSVTQ 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 309001:KSX7T 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 309001:KSX84 nidx=null parent=BV599]
Geocoris (Geocoris) ater
 - Geocoris (Geocoris) ater (Fabricius, 1787) [ACCEPTED SPECIES 308619:CNV44 nidx=null]
 + Geocoris (Geocoris) ater (Fabricius, 1787) [ACCEPTED SPECIES 309001:8Q6VV nidx=null]
Gleichenieae
 - Gleichenieae Gaudich. [SYNONYM UNRANKED 308619:BW52F nidx=null parent=B8VGT]
 + Gleichenieae Gaudich. [SYNONYM TRIBE 309001:KSW3C nidx=null parent=B8VGT]
Gleicheniineae
 - Gleicheniineae Bessey [SYNONYM UNRANKED 308619:BW5LZ nidx=null parent=B8VGT]
 + Gleicheniineae Bessey [SYNONYM SUBORDER 309001:KSW3D nidx=null parent=B8VGT]
Gleichenioideae
 - Gleichenioideae R.Br. [SYNONYM UNRANKED 308619:BV8PZ nidx=null parent=B8VGT]
 + Gleichenioideae R.Br. [SYNONYM SUBFAMILY 309001:KSW3F 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 309001:KSW9B 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 309001:KSW9S 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 309001:KSWRT 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 309001:KSWX9 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 309001:3GTVM nidx=null parent=35YSQ]
Goniocidaris (Petalocidaris) peltata
 - Goniocidaris (Petalocidaris) peltata Mortensen, 1927 [SYNONYM SPECIES 308619:CV63Y nidx=null parent=3GWB7]
 + Goniocidaris (Petalocidaris) peltata Mortensen, 1927 [SYNONYM SPECIES 309001:KSXXV nidx=null parent=3GWB7]
Goniopteridinae
 - Goniopteridinae Ching [SYNONYM UNRANKED 308619:BW5K5 nidx=null parent=B8X4T]
 + Goniopteridinae Ching [SYNONYM SUBTRIBE 309001:KSY5R 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 309001:KSYG7 nidx=null parent=4BW4Z]
Grammitidaceae
 - Grammitidaceae Newman [SYNONYM UNRANKED 308619:B8WTR nidx=null parent=B8TXC]
 + Grammitidaceae Newman [SYNONYM FAMILY 309001:KSVV9 nidx=null parent=B8TXC]
Grammitideae
 - Grammitideae C.Presl [SYNONYM UNRANKED 308619:BV8JH nidx=null parent=B8X3J]
 + Grammitideae C.Presl [SYNONYM TRIBE 309001:KSYNJ nidx=null parent=B8X3J]
Grammitidinae
 - Grammitidinae Payer [SYNONYM UNRANKED 308619:BW5K7 nidx=null parent=B8X3J]
 + Grammitidinae Payer [SYNONYM SUBTRIBE 309001:KSYNK 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 309001:CW5ZC nidx=null parent=9MJC8]
Gryllus (Gryllus) assimilis
 - Gryllus (Gryllus) assimilis (Fabricius, 1775) [ACCEPTED SPECIES 308619:CQF65 nidx=null]
 + Gryllus (Gryllus) assimilis (Fabricius, 1775) [ACCEPTED SPECIES 309001:KSWCM nidx=null]
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 309001:KSX6H nidx=null parent=B8VC6]
Gymnopteridinae
 - Gymnopteridinae Engl. [SYNONYM UNRANKED 308619:BW5J2 nidx=null parent=B8X36]
 + Gymnopteridinae Engl. [SYNONYM SUBTRIBE 309001:KSX7B nidx=null parent=B8X36]
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 309001:95BJ6 nidx=null parent=959L8]
Hadula (Hadula) insolita
 - Hadula (Hadula) insolita Staudinger, 1889 [SYNONYM SPECIES 308619:CS5PP nidx=null parent=959LF]
 + Hadula (Hadula) insolita Staudinger, 1889 [SYNONYM SPECIES 309001:KSY3H nidx=null parent=959LF]
Haliclona (Rhizoniera) strongylata
 - Haliclona (Rhizoniera) strongylata (Lévi & Lévi, 1983) [ACCEPTED SPECIES 308619:6L9GD nidx=null]
 + Haliclona (Rhizoniera) strongylata [ACCEPTED SPECIES 309001:KSYH9 nidx=null]
Haliomma
 - Haliomma [ACCEPTED GENUS 308619:4SS3 nidx=null]
 + Haliomma Ehrenberg, 1839 [ACCEPTED GENUS 309001:KSYKP nidx=null]
Hamacantha (Hamacantha) forcipulata
 - Hamacantha (Hamacantha) forcipulata Lévi, 1993 [SYNONYM SPECIES 308619:CLXXZ nidx=null parent=3JGXV]
 + Hamacantha (Hamacantha) forcipulata Lévi, 1993 [SYNONYM SPECIES 309001:KSYZN nidx=null parent=3JGXV]
Haminaea
 - Haminaea Gray, 1847 [SYNONYM GENUS 308619:BGFR4 nidx=null parent=7P4RS]
 + Haminaea Leach, 1847 [SYNONYM GENUS 309001:KSZ2C nidx=null parent=7P4RS]
Haphsa crassa
 - Haphsa crassa Distant, 1905 [SYNONYM SPECIES 308619:CV79Z nidx=null parent=3Z32C]
 + Haphsa crassa Distant, 1905 [SYNONYM SPECIES 309001:KSZ8C nidx=null parent=3Z32C]
Haplocladium microphyllum
 - Haplocladium microphyllum (Sw. ex Hedw.) Broth. [ACCEPTED SPECIES 308619:3JM6Y nidx=null]
 + Haplocladium microphyllum (Sw. ex Hedw.) Müll. Hal. [ACCEPTED SPECIES 309001:KSZDT nidx=null]
Hardya (Hardya) alpina
 - Hardya (Hardya) alpina Wagner, 1955 [SYNONYM SPECIES 308619:CQKFK nidx=null parent=9K89K]
 + Hardya (Hardya) alpina Wagner, 1955 [SYNONYM SPECIES 309001:3JQPL nidx=null parent=9K89K]
Hecalus lynchii
 - Hecalus lynchii Berg, 1879 [SYNONYM SPECIES 308619:CV4T9 nidx=null parent=6YW5J]
 + Hecalus lynchii Berg, 1879 [SYNONYM SPECIES 309001:KSX2F 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 309001:KSX4X nidx=null parent=9MQGH]
Heliactis viduata
 - Heliactis viduata [SYNONYM SPECIES 308619:3K53L nidx=null parent=7YW6M]
 + Heliactis viduata (Müller, 1776) [SYNONYM SPECIES 309001:KSX97 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 309001:KSXBZ nidx=null parent=3K69J]
Helice leachi
 - Helice leachi Hess, 1865 [SYNONYM SPECIES 308619:CS4QS nidx=null parent=4NY2C]
 + Helice leachi Hess, 1865 [SYNONYM SPECIES 309001:KSXBY nidx=null parent=4NY2C]
Heliodiscus
 - Heliodiscus [ACCEPTED GENUS 308619:635NH nidx=null]
 + Heliodiscus Haeckel, 1862 [ACCEPTED GENUS 309001:DSH6J nidx=null]
Helomyza fasciata
 - Helomyza fasciata Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3VX6 nidx=null]
 + Helomyza fasciata Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JR6B nidx=null]
Helomyza robusta
 - Helomyza robusta Walker, 1858 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3VX7 nidx=null]
 + Helomyza robusta Walker, 1858 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JR6F nidx=null]
Hemionitideae
 - Hemionitideae Pfeiff. [SYNONYM UNRANKED 308619:BW5KP nidx=null parent=B8X36]
 + Hemionitideae Pfeiff. [SYNONYM TRIBE 309001:KSYXB nidx=null parent=B8X36]
Hemipeltis
 - Hemipeltis Spinola, 1852 [SYNONYM GENUS 308619:8JL9L nidx=null parent=BYF8S]
 + Hemipeltis Spinola, 1852 [SYNONYM GENUS 309001:KSYXT nidx=null parent=BYF8S]
Hemiteliinae
 - Hemiteliinae Pfeiff. [SYNONYM UNRANKED 308619:BW5KD nidx=null parent=B8V9T]
 + Hemiteliinae Pfeiff. [SYNONYM SUBTRIBE 309001:KSZ55 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 309001:8CBB7 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 309001:92SDX 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 309001:92SF4 nidx=null parent=8CBDR]
Heriades syriacus
 - Heriades syriacus Benoist, 1928 [SYNONYM SPECIES 308619:CV7P4 nidx=null parent=6M3TN]
 + Heriades syriacus Benoist, 1928 [SYNONYM SPECIES 309001:KSZSZ nidx=null parent=6M3TN]
Hesperodiaptomus kenai
 - Hesperodiaptomus kenai Wilson M.S., 1953 [ACCEPTED SPECIES 308619:3L5DS nidx=null]
 + Hesperodiaptomus kenai [Wilson M.S., 1953] [ACCEPTED SPECIES 309001:KSXCT nidx=null]
Heteroneura geomyzinus
 - Heteroneura geomyzinus Fallén, 1823 [SYNONYM SPECIES 308619:88CBN nidx=null parent=5ZD7Y]
 + Heteroneura geomyzinus Fallén, 1823 [SYNONYM SPECIES 309001: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 309001:6M4C9 nidx=null parent=8DPVV]
Heterosporae
 - Heterosporae Asch. [SYNONYM UNRANKED 308619:BDC6R nidx=null parent=B8V7W]
 + Heterosporae Asch. [SYNONYM ORDER 309001:KSY8K nidx=null parent=B8V7W]
Hexacontium
 - Hexacontium [ACCEPTED GENUS 308619:4WXP nidx=null]
 + Hexacontium Haeckel, 1881 [ACCEPTED GENUS 309001:KSYCT nidx=null]
Hexangium affinum
 - Hexangium affinum Tubangui & Masiluñgan, 1944 [SYNONYM SPECIES 308619:849CF nidx=null parent=3LGLM]
 + Hexangium affinum Tubangui & Masiluñgan, 1944 [SYNONYM SPECIES 309001:6LTFN nidx=null parent=3LGLM]
Hexapyle
 - Hexapyle [ACCEPTED GENUS 308619:62V5S nidx=null]
 + Hexapyle Haeckel, 1881 [ACCEPTED GENUS 309001:KSYDN nidx=null]
Hieracium ziljevanum
 - Hieracium ziljevanum Oborný ex Murb. [SYNONYM SPECIES 308619:CKDL7 nidx=null parent=4HV3B]
 + Hieracium ziljevanum Oborný ex Murb. [SYNONYM SPECIES 309001:D29VX nidx=null parent=4HV3B]
Holocentrus rubrum
 - Holocentrus rubrum () non Forsskål, 1775 [MISAPPLIED SPECIES 308619:CV8W6 nidx=null parent=6XMPK]
 + Holocentrus rubrum () [MISAPPLIED SPECIES 309001:KT3C7 nidx=null parent=6XMPK]
 + Holocentrus rubrum (Forsskål, 1775) [SYNONYM SPECIES 309001:KT3C9 nidx=null parent=6XMPJ]
Holothuria (Semperothuria) flavomaculata
 - Holothuria (Semperothuria) flavomaculata Semper, 1868 [SYNONYM SPECIES 308619:CH4SD nidx=null parent=BMSG9]
 + Holothuria (Semperothuria) flavomaculata Semper, 1868 [SYNONYM SPECIES 309001:KSYBH nidx=null parent=BMSG9]
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 309001:KSZDV 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 309001:KSZDW nidx=null parent=B75YL]
Hyalopterus obscuris
 - Hyalopterus obscuris [SYNONYM SPECIES 308619:8R243 nidx=null parent=3MVCQ]
 + Hyalopterus obscuris (Theobald, 1923) [SYNONYM SPECIES 309001:KSZVX nidx=null parent=3MVCQ]
Hydnophora microconos
 - Hydnophora microconos (Lamarck, 1816) [ACCEPTED SPECIES 308619:3MZP2 nidx=null]
 + Hydnophora microconos (Lamarck, 1816) [ACCEPTED SPECIES 309001:KT24Y nidx=null]
Hydrobatinae
 - Hydrobatinae [ACCEPTED SUBFAMILY 308619:JQ3 nidx=null]
 + Hydrobatinae Mathews, 1912 [SYNONYM SUBFAMILY 309001:KT2FH nidx=null parent=B87]
Hygrolejeunea matteola
 - Hygrolejeunea matteola (Spruce) Steph. [SYNONYM SPECIES 308619:9S8TQ nidx=null parent=3T3FY]
 + Hygrolejeunea matteola (Spruce) Paris [SYNONYM SPECIES 309001:KT3DL nidx=null parent=3T3FY]
Hyla crucifera crucifera
 - Hyla crucifera crucifera Wied-Neuwied, 1838 [SYNONYM SUBSPECIES 308619:CV928 nidx=null parent=4NH9F]
 + Hyla crucifera crucifera Wied-Neuwied, 1838 [SYNONYM SUBSPECIES 309001:KT3GN nidx=null parent=4NH9F]
Hymedesmia (Hymedesmia) similima
 - Hymedesmia (Hymedesmia) similima [SYNONYM SPECIES 308619:CSCYV nidx=null parent=8S8FW]
 + Hymedesmia (Hymedesmia) similima [SYNONYM SPECIES 309001:KT3YV nidx=null parent=8S8FW]
Hymenophylleae
 - Hymenophylleae Bory ex Gaudich. [SYNONYM UNRANKED 308619:BV8JY nidx=null parent=B8X3M]
 + Hymenophylleae Bory ex Gaudich. [SYNONYM TRIBE 309001:KT4BB nidx=null parent=B8X3M]
Hymenophyllidae
 - Hymenophyllidae Schmakov [SYNONYM UNRANKED 308619:BW5KB nidx=null parent=B8V4J]
 + Hymenophyllidae Schmakov [SYNONYM SUBCLASS 309001:KT4BC nidx=null parent=B8V4J]
Hymenophyllinae
 - Hymenophyllinae Fr. [SYNONYM UNRANKED 308619:BW5HR nidx=null parent=B8X3M]
 + Hymenophyllinae Fr. [SYNONYM SUBTRIBE 309001:KT4BD nidx=null parent=B8X3M]
Hymenophyllineae
 - Hymenophyllineae Bessey [SYNONYM UNRANKED 308619:BW5LD nidx=null parent=B8X3M]
 + Hymenophyllineae Bessey [SYNONYM SUBORDER 309001:KT4BF nidx=null parent=B8X3M]
Hymenophyllopsidaceae
 - Hymenophyllopsidaceae Pic.Serm. [SYNONYM UNRANKED 308619:B8WVF nidx=null parent=B8V9T]
 + Hymenophyllopsidaceae Pic.Serm. [SYNONYM FAMILY 309001:KT4BH 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 309001: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 309001:CW5LS nidx=null parent=7G5TW]
Hypnum teesdalei
 - Hypnum teesdalei Sm. [SYNONYM SPECIES 308619:9SCDB nidx=null parent=6WW4Y]
 + Hypnum teesdalei Turner [AMBIGUOUS_SYNONYM SPECIES 309001:KSZ22 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 309001: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 309001:DS3PK nidx=null]
Hypoderma (Oedemagena) tarandi
 - Hypoderma (Oedemagena) tarandi (Linnaeus, 1758) [ACCEPTED SPECIES 308619:8CDYJ nidx=null]
 + Hypoderma (Oedemagena) tarandi (Linnaeus, 1758) [ACCEPTED SPECIES 309001:DS3PM nidx=null]
Hypoderridinae
 - Hypoderridinae Hook. [SYNONYM UNRANKED 308619:BW5M9 nidx=null parent=B8VCR]
 + Hypoderridinae Hook. [SYNONYM SUBTRIBE 309001:KSZ8B nidx=null parent=B8VCR]
Hypolepidinae
 - Hypolepidinae Pfeiff. [SYNONYM UNRANKED 308619:BW5HQ nidx=null parent=BTVYT]
 + Hypolepidinae Pfeiff. [SYNONYM SUBTRIBE 309001:KSZFN nidx=null parent=BTVYT]
Hypopterygium tahitense
 - Hypopterygium tahitense Ångstr. [SYNONYM SPECIES 308619:9LMQX nidx=null parent=9KCNC]
 + Hypopterygium tahitense Ångstr. [SYNONYM SPECIES 309001:KSZMX nidx=null parent=9KCNC]
Idalia
 - Idalia Gray, 1847 [SYNONYM GENUS 308619:BG27D nidx=null parent=7NXH6]
 + Idalia Leach, 1847 [SYNONYM GENUS 309001:KT389 nidx=null parent=7NXH6]
Idotaea
 - Idotaea Dana, 1849 [SYNONYM GENUS 308619:BGGM8 nidx=null parent=7P6ZD]
 + Idotaea Fabricius, 1798 [SYNONYM GENUS 309001:KT3FP nidx=null parent=7P6ZD]
Intoshia
 - Intoshia [ACCEPTED GENUS 308619:54MX nidx=null]
 + Intoshia Giard, 1877 [ACCEPTED GENUS 309001:KT7T5 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 309001:KT7WQ nidx=null parent=3PTQ2]
Isoetariae
 - Isoetariae Koidz. [SYNONYM UNRANKED 308619:BDC75 nidx=null parent=B8V4D]
 + Isoetariae Koidz. [SYNONYM ORDER 309001:KSZX3 nidx=null parent=B8V4D]
Isoeteae
 - Isoeteae Barlinge [SYNONYM UNRANKED 308619:B8X5L nidx=null parent=B8V4D]
 + Isoeteae Barlinge [SYNONYM TRIBE 309001:KSZX4 nidx=null parent=B8V4D]
Isoetidae
 - Isoetidae Reveal [SYNONYM UNRANKED 308619:BW4NX nidx=null parent=B8V4D]
 + Isoetidae Reveal [SYNONYM SUBCLASS 309001:KSZY5 nidx=null parent=B8V4D]
Isoetineae
 - Isoetineae Engl. [SYNONYM UNRANKED 308619:BW5JK nidx=null parent=CKDNJ]
 + Isoetineae Engl. [SYNONYM SUBORDER 309001:KSZY6 nidx=null parent=CKDNJ]
Isoetoideae
 - Isoetoideae A.Gray [SYNONYM UNRANKED 308619:BW5KJ nidx=null parent=CKDNJ]
 + Isoetoideae A.Gray [SYNONYM SUBFAMILY 309001:KSZY8 nidx=null parent=CKDNJ]
Isoetophyta
 - Isoetophyta Doweld [SYNONYM UNRANKED 308619:BW4NP nidx=null parent=B8V4D]
 + Isoetophyta Doweld [SYNONYM PHYLUM 309001:KSZY9 nidx=null parent=B8V4D]
Isoetophytina
 - Isoetophytina Doweld [SYNONYM UNRANKED 308619:BW4NS nidx=null parent=B8V4D]
 + Isoetophytina Doweld [SYNONYM SUBPHYLUM 309001:KSZYB nidx=null parent=B8V4D]
Isoetopsida
 - Isoetopsida Rolle [SYNONYM UNRANKED 308619:BW4FT nidx=null parent=B8V4D]
 + Isoetopsida Rolle [SYNONYM CLASS 309001:KSZYC nidx=null parent=B8V4D]
Isolaboides kosswigi
 - Isolaboides kosswigi (Hincks, 1947) [SYNONYM SPECIES 308619:3Q9B6 nidx=null parent=6N9FV]
 + Isolaboides kosswigi (Burr, 1947) [SYNONYM SPECIES 309001:KSZZF nidx=null parent=6N9FV]
Isoplastus formulosus
 - Isoplastus formulosus Skuse, 1889 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3W7T nidx=null]
 + Isoplastus formulosus Skuse, 1889 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JRHJ nidx=null]
Isoplastus paivai
 - Isoplastus paivai Kieffer, 1910 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3W7V nidx=null]
 + Isoplastus paivai Kieffer, 1910 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JRHS 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 309001:DS5FT nidx=null parent=4PCYJ]
Isotoma tricolor
 - Isotoma tricolor MacGillivray, 1896 [SYNONYM SPECIES 308619:CV84F nidx=null parent=3QCSF]
 + Isotoma tricolor Handschin, E in Dahl, F, 1929 [SYNONYM SPECIES 309001:KT28S nidx=null parent=3QCSF]
 + Isotoma tricolor Stach, J, 1947 [SYNONYM SPECIES 309001:KT28T nidx=null parent=3QCSF]
 + Isotoma tricolor MacGillivray, 1891 [SYNONYM SPECIES 309001:KT28V nidx=null parent=3QCSF]
 + Isotoma tricolor MacGillivray, 1896 [SYNONYM SPECIES 309001:KT28W nidx=null parent=3QCSF]
Isthmiophora hortensis
 - Isthmiophora hortensis (Asada, 1926) Kostadinova & Gibson, 2002 [ACCEPTED SPECIES 308619:8N8NN nidx=null]
 + Isthmiophora hortensis (Asada, 1926) Kostadinova & Gibson, 2002 [ACCEPTED SPECIES 309001:8M27X nidx=null]
Jamesoniinae
 - Jamesoniinae Pfeiff. [SYNONYM UNRANKED 308619:BW5KM nidx=null parent=BV8QP]
 + Jamesoniinae Pfeiff. [SYNONYM SUBTRIBE 309001:KT3QH nidx=null parent=BV8QP]
Jassargus (Jassargus) obtusivalvis
 - Jassargus (Jassargus) obtusivalvis (Kirschbaum, 1868) [SYNONYM SPECIES 308619:CNYWX nidx=null parent=8RL9X]
 + Jassargus (Jassargus) obtusivalvis (Kirschbaum, 1868) [SYNONYM SPECIES 309001:KT47N nidx=null parent=8RL9X]
Jassus (Thamnotettix) quadripunctulatus
 - Jassus (Thamnotettix) quadripunctulatus Kirschbaum, 1868 [SYNONYM SPECIES 308619:CV9HD nidx=null parent=9KG8D]
 + Jassus (Thamnotettix) quadripunctulatus Kirschbaum, 1868 [SYNONYM SPECIES 309001:KT49Q nidx=null parent=9KG8D]
Kantharella
 - Kantharella [ACCEPTED GENUS 308619:63893 nidx=null]
 + Kantharella Czaker, 1994 [ACCEPTED GENUS 309001:KT5JS nidx=null]
Kantharellidae
 - Kantharellidae [ACCEPTED FAMILY 308619:BKG nidx=null]
 + Kantharellidae Czaker, 1994 [ACCEPTED FAMILY 309001:KT5JT nidx=null]
Karenocoris rudis
 - Karenocoris rudis Miller, 1954 [ACCEPTED SPECIES 308619:3R2SC nidx=null]
 + Karenocoris rudis Hsiao & Ren, 1981 [ACCEPTED SPECIES 309001:KT5KF nidx=null]
Karschielloidea
 - Karschielloidea Verhoeff, 1902 [SYNONYM SUPERFAMILY 308619:8MPBW nidx=null parent=CSGL4]
 + Karschielloidea Verhoeff, 1902 [SYNONYM SUBFAMILY 309001:KT5L7 nidx=null parent=CSGL4]
Lampria (Lampria) pusilla
 - Lampria (Lampria) pusilla (Macquart, 1838) [ACCEPTED SPECIES 308619:8CG7Y nidx=null]
 + Lampria (Lampria) pusilla (Macquart, 1838) [ACCEPTED SPECIES 309001:3S3WS nidx=null]
Lamprocyclas
 - Lamprocyclas [ACCEPTED GENUS 308619:62XGX nidx=null]
 + Lamprocyclas Haeckel, 1881 [ACCEPTED GENUS 309001:KT4P9 nidx=null]
Lamprocyrtis
 - Lamprocyrtis [ACCEPTED GENUS 308619:639H9 nidx=null]
 + Lamprocyrtis Kling, 1973 [ACCEPTED GENUS 309001:KT4PB nidx=null]
Larcopyle
 - Larcopyle [ACCEPTED GENUS 308619:639D9 nidx=null]
 + Larcopyle Dreyer, 1889 [ACCEPTED GENUS 309001:KT59S nidx=null]
Larcospira
 - Larcospira [ACCEPTED GENUS 308619:62XCW nidx=null]
 + Larcospira Haeckel, 1887 [ACCEPTED GENUS 309001:KT59V nidx=null]
Lasiorhinus krefftii gillespiei
 - Lasiorhinus krefftii gillespiei (DeVis, 1900) [ACCEPTED SUBSPECIES 308619:5J9PC nidx=null]
 + Lasiorhinus krefftii gillespiei (De Vis, 1900) [SYNONYM SUBSPECIES 309001:KT5MZ nidx=null parent=3SG6V]
Lavidaviridae
 - Lavidaviridae [ACCEPTED FAMILY 308619:BTK nidx=null]
 + Lavidaviridae [SYNONYM ORDER 309001:KSZVL nidx=null parent=KSZVK]
Lebouria choerodonis
 - Lebouria choerodonis Yamaguti, 1934 [SYNONYM SPECIES 308619:849MW nidx=null parent=69Z35]
 + Lebouria choerodonis Yamaguti, 1934 [SYNONYM SPECIES 309001:3SQWW 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 309001:KT3CJ 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 309001:KT3CY nidx=null parent=655J4]
Leda (Spinula) calcar
 - Leda (Spinula) calcar Dall, 1908 [SYNONYM SPECIES 308619:CLZZV nidx=null parent=KYCY]
 + Leda (Spinula) calcar Dall, 1908 [SYNONYM SPECIES 309001:KT3D7 nidx=null parent=KYCY]
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 309001: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 309001:KT45M nidx=null parent=73H2Q]
Lejeunea isocalycina
 - Lejeunea isocalycina (Nees) Steph. [SYNONYM SPECIES 308619:9LQ9Y nidx=null parent=3T3RP]
 + Lejeunea isocalycina (Nees) Prantl [SYNONYM SPECIES 309001:KT46B 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 309001: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 309001:KT4G9 nidx=null parent=82THZ]
Lepidapedon (Lepidapedoides) levenseni
 - Lepidapedon (Lepidapedoides) levenseni (Linton, 1907) Manter, 1947 [SYNONYM SPECIES 308619:CV9TB nidx=null parent=3T9Q6]
 + Lepidapedon (Lepidapedoides) levenseni (Linton, 1907) Manter, 1947 [SYNONYM SPECIES 309001:KT4R7 nidx=null parent=3T9Q6]
Lepidocyclina insulaenatalis var. insulaenatalis
 - †Lepidocyclina insulaenatalis var. insulaenatalis [ACCEPTED VARIETY 308619:BPXLC nidx=null]
 + Lepidocyclina insulaenatalis var. insulaenatalis Nuttall, 1926 [ACCEPTED VARIETY 309001:KT52Z nidx=null]
Leptis inutilis
 - Leptis inutilis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3WDS nidx=null]
 + Leptis inutilis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JRMR nidx=null]
Leptoconops (Leptoconops) bezzii
 - Leptoconops (Leptoconops) bezzii (Noè, 1905) [ACCEPTED SPECIES 308619:8CHVS nidx=null]
 + Leptoconops (Leptoconops) bezzii (Noè, 1905) [ACCEPTED SPECIES 309001:3TMJP nidx=null]
Leptoconops (Leptoconops) irritans
 - Leptoconops (Leptoconops) irritans (Noè, 1905) [ACCEPTED SPECIES 308619:8CHWR nidx=null]
 + Leptoconops (Leptoconops) irritans (Noè, 1905) [ACCEPTED SPECIES 309001:3TMKZ 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 309001:KT5ZY nidx=null parent=3TNW8]
Leptodontium repens
 - Leptodontium repens Kindb. [ACCEPTED SPECIES 308619:3TNW9 nidx=null]
 + Leptodontium repens Müll. Hal. [ACCEPTED SPECIES 309001:KT5ZZ nidx=null]
Leptogrammeae
 - Leptogrammeae Tod. [SYNONYM UNRANKED 308619:BW5J4 nidx=null parent=B8X4T]
 + Leptogrammeae Tod. [SYNONYM TRIBE 309001:KT648 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 309001:KT669 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 309001:KT2GJ nidx=null parent=9N253]
Leucetta haeckeliana
 - Leucetta haeckeliana Poléjaeff, 1883 [SYNONYM SPECIES 308619:BBRZM nidx=null parent=B8RP9]
 + Leucetta haeckeliana Poléjaeff, 1883 [SYNONYM SPECIES 309001:723LB 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 309001:KT3GZ 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 309001:KT3H2 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 309001:72834 nidx=null]
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 309001:KT46J nidx=null]
Limatulum limatulum
 - Limatulum limatulum (Braun, 1900) [ACCEPTED SPECIES 308619:CM378 nidx=null]
 + Limatulum limatulum (Braun, 1900) Travassos, 1921 [ACCEPTED SPECIES 309001:DDG6S nidx=null]
Limnobia (Eriocera) caminaria
 - Limnobia (Eriocera) caminaria Wiedemann, 1828 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQMVV nidx=null]
 + Limnobia (Eriocera) caminaria Wiedemann, 1828 [PROVISIONALLY_ACCEPTED SPECIES 309001:KT59D 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 309001:KT59J nidx=null]
Limnobia (Eriocera) rubrescens
 - Limnobia (Eriocera) rubrescens Walker, 1856 [PROVISIONALLY_ACCEPTED SPECIES 308619:CSFHN nidx=null]
 + Limnobia (Eriocera) rubrescens Walker, 1856 [PROVISIONALLY_ACCEPTED SPECIES 309001:KT59K nidx=null]
Limnobia (Eriocera) tenebrosa
 - Limnobia (Eriocera) tenebrosa Walker, 1856 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQMWF nidx=null]
 + Limnobia (Eriocera) tenebrosa Walker, 1856 [PROVISIONALLY_ACCEPTED SPECIES 309001:KT59P nidx=null]
Limosina (Limosina) vittata
 - Limosina (Limosina) vittata (Richards, 1966) [ACCEPTED SPECIES 308619:8CMCD nidx=null]
 + Limosina (Limosina) vittata (Richards, 1966) [ACCEPTED SPECIES 309001:6QF7M nidx=null]
Lindsaeeae
 - Lindsaeeae Hook. [SYNONYM UNRANKED 308619:BW5KZ nidx=null parent=BV8KC]
 + Lindsaeeae Hook. [SYNONYM TRIBE 309001:KT5X2 nidx=null parent=BV8KC]
Lindsaeinae
 - Lindsaeinae Payer [SYNONYM UNRANKED 308619:BVG6F nidx=null parent=BV8KC]
 + Lindsaeinae Payer [SYNONYM SUBTRIBE 309001:KT5X3 nidx=null parent=BV8KC]
Lindsaeoideae
 - Lindsaeoideae Crabbe, Jermy & Mickel [SYNONYM UNRANKED 308619:B8X3R nidx=null parent=BV8KC]
 + Lindsaeoideae Crabbe, Jermy & Mickel [SYNONYM SUBFAMILY 309001:KT5X4 nidx=null parent=BV8KC]
Lineus purpureus
 - Lineus purpureus [SYNONYM SPECIES 308619:72HLL nidx=null parent=3V2RM]
 + Lineus purpureus (Johnston, 1837) [SYNONYM SPECIES 309001:KT5ZV nidx=null parent=3V2RM]
Linnaemya retroflexa
 - Linnaemya retroflexa Pandellé, 1895 [SYNONYM SPECIES 308619:8988X nidx=null parent=8CMJY]
 + Linnaemya retroflexa Pandellé, 1895 [SYNONYM SPECIES 309001:72HNH nidx=null parent=8CMJY]
Lipaphis dusmeti
 - Lipaphis dusmeti [SYNONYM SPECIES 308619:8QZ8F nidx=null parent=68RH8]
 + Lipaphis dusmeti (Gómez-Menor, 1950) [SYNONYM SPECIES 309001:KT6GC nidx=null parent=68RH8]
Litheliidae
 - Litheliidae [ACCEPTED FAMILY 308619:624XJ nidx=null]
 + Litheliidae Haeckel, 1862 [ACCEPTED FAMILY 309001:KT2JT nidx=null]
Lithelius
 - Lithelius [ACCEPTED GENUS 308619:5FL2 nidx=null]
 + Lithelius Haeckel, 1862 [ACCEPTED GENUS 309001:KT2JV nidx=null]
Lithostrobus
 - Lithostrobus [ACCEPTED GENUS 308619:5FPF nidx=null]
 + Lithostrobus Bütschli, 1882 [ACCEPTED GENUS 309001:KT38T nidx=null]
Lobodiplatys (Paradiplatys)
 - Lobodiplatys (Paradiplatys) Zacher, 1910 [SYNONYM SUBGENUS 308619:CV2PV nidx=null parent=CV2PT]
 + Lobodiplatys (Paradiplatys) Zacher, 1910 [SYNONYM SUBGENUS 309001:KSTZ7 nidx=null parent=CV2PT]
Lomarieae
 - Lomarieae Hance [SYNONYM UNRANKED 308619:BW5HT nidx=null parent=BV8PB]
 + Lomarieae Hance [SYNONYM TRIBE 309001:KT4JY nidx=null parent=BV8PB]
Lomarioideae
 - Lomarioideae Hook. [SYNONYM UNRANKED 308619:BW5LG nidx=null parent=BV8PB]
 + Lomarioideae Hook. [SYNONYM SUBFAMILY 309001:KT4K4 nidx=null parent=BV8PB]
Lonchitideae
 - Lonchitideae Kuhn [SYNONYM UNRANKED 308619:BW52G nidx=null parent=B8WW5]
 + Lonchitideae Kuhn [SYNONYM TRIBE 309001:KT4MP nidx=null parent=B8WW5]
Lonchitidinae
 - Lonchitidinae Pfeiff. [SYNONYM UNRANKED 308619:BW5JX nidx=null parent=B8WW5]
 + Lonchitidinae Pfeiff. [SYNONYM SUBTRIBE 309001:KT4MQ nidx=null parent=B8WW5]
Lophosoriaceae
 - Lophosoriaceae Pic.Serm. [SYNONYM UNRANKED 308619:CKH3P nidx=null parent=B8V9Y]
 + Lophosoriaceae Pic.Serm. [SYNONYM FAMILY 309001:KT57T nidx=null parent=B8V9Y]
Lophospyris
 - Lophospyris [ACCEPTED GENUS 308619:5GPG nidx=null]
 + Lophospyris Haeckel, 1881 [ACCEPTED GENUS 309001:KT57W 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 309001:KT5K4 nidx=null parent=B8TXC]
 + Loxogrammaceae Ching ex Pic.Serm. [SYNONYM FAMILY 309001:KT5K5 nidx=null parent=B8X3T]
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 309001:KT5K6 nidx=null parent=B8X3T]
Lucilia abdominalis
 - Lucilia abdominalis Séguy, 1934 [SYNONYM SPECIES 308619:89973 nidx=null parent=3WBYW]
 + Lucilia abdominalis Séguy, 1934 [SYNONYM SPECIES 309001:3WBQJ nidx=null parent=3WBYW]
Lucina (Codakia) quadrata
 - Lucina (Codakia) quadrata Angas, 1877 [SYNONYM SPECIES 308619:8KSQW nidx=null parent=C76JT]
 + Lucina (Codakia) quadrata Angas, 1877 [SYNONYM SPECIES 309001:3WCDK nidx=null parent=C76JT]
Lycopodieae
 - Lycopodieae Duby [SYNONYM UNRANKED 308619:BW5KR nidx=null parent=BVBCX]
 + Lycopodieae Duby [SYNONYM TRIBE 309001:KT6L7 nidx=null parent=BVBCX]
Lycopodiidae
 - Lycopodiidae Bek. [SYNONYM UNRANKED 308619:CKJ35 nidx=null parent=B8V4F]
 + Lycopodiidae Bek. [SYNONYM SUBCLASS 309001:KT6LH nidx=null parent=B8V4F]
Lycopodiobiotina
 - Lycopodiobiotina Doweld [SYNONYM UNRANKED 308619:BW4Q7 nidx=null parent=B8V4F]
 + Lycopodiobiotina Doweld [SYNONYM ORDER 309001:KT6LJ 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 309001:KT6LT nidx=null parent=B8VC6]
Lycopodiophyta
 - Lycopodiophyta D.H.Scott [SYNONYM UNRANKED 308619:CKJ3G nidx=null parent=B8V4F]
 + Lycopodiophyta D.H.Scott [SYNONYM PHYLUM 309001:KT6LV nidx=null parent=B8V4F]
Lycopodiophytina
 - Lycopodiophytina Tippo ex Reveal [SYNONYM UNRANKED 308619:BV846 nidx=null parent=B8V4F]
 + Lycopodiophytina Tippo ex Reveal [SYNONYM SUBPHYLUM 309001:KT6LW nidx=null parent=B8V4F]
Lycopodiopsida
 - Lycopodiopsida Bartl. [SYNONYM UNRANKED 308619:CKDV2 nidx=null parent=B8V4F]
 + Lycopodiopsida Bartl. [SYNONYM CLASS 309001:KT24Z 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 309001:6R3CQ nidx=null]
Lycurgus mongannius
 - Lycurgus mongannius (Distant, 1905) [SYNONYM SPECIES 308619:CV92K nidx=null parent=3RDF2]
 + Lycurgus mongannius (Distant, 1905) [SYNONYM SPECIES 309001:KT3H4 nidx=null parent=3RDF2]
Lygodieae
 - Lygodieae Le Maout & Decne. [SYNONYM UNRANKED 308619:BW4PT nidx=null parent=B8VBG]
 + Lygodieae Le Maout & Decne. [SYNONYM TRIBE 309001:KT3NV 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 309001:72R7L nidx=null parent=4C9F8]
Lyristinae
 - Lyristinae Menor y Ortega, 1957 [SYNONYM SUBTRIBE 308619:8RGF8 nidx=null parent=B7VNF]
 + Lyristinae Gómez-Menor, 1957 [SYNONYM SUBTRIBE 309001:KT47C nidx=null parent=B7VNF]
Lyristini
 - Lyristini Menor y Ortega, 1957 [SYNONYM SUBTRIBE 308619:8RGF9 nidx=null parent=B7VNF]
 + Lyristini Gómez-Menor, 1957 [SYNONYM SUBTRIBE 309001:KT47D nidx=null parent=B7VNF]
Lyrodiscus (Riedeliella) circumscisus francofurtanus
 - Lyrodiscus (Riedeliella) circumscisus francofurtanus (Wenz, 1922) [SYNONYM SUBSPECIES 308619:CV9FD nidx=null parent=9GJBW]
 + Lyrodiscus (Riedeliella) circumscisus francofurtanus (Wenz, 1922) [SYNONYM SUBSPECIES 309001:KT47G nidx=null parent=9GJBW]
Machimus (Machimus) rusticus
 - Machimus (Machimus) rusticus (Meigen, 1820) [ACCEPTED SPECIES 308619:8CPDW nidx=null]
 + Machimus (Machimus) rusticus (Meigen, 1820) [ACCEPTED SPECIES 309001:3WZFZ nidx=null]
Macoma (Macoploma) medioamericana
 - Macoma (Macoploma) medioamericana Olsson, 1942 [SYNONYM SPECIES 308619:CVB2Z nidx=null parent=3WZZN]
 + Macoma (Macoploma) medioamericana Olsson, 1942 [SYNONYM SPECIES 309001:KT53G nidx=null parent=3WZZN]
Macropsis (Pediopsis) scutellata
 - Macropsis (Pediopsis) scutellata (Boheman, 1845) [SYNONYM SPECIES 308619:C552Z nidx=null parent=3X8VG]
 + Macropsis (Pediopsis) scutellata (Boheman, 1845) [SYNONYM SPECIES 309001:KT5L4 nidx=null parent=3X8VG]
Macrosiphum (Macrosiphum) cholodkovskyi
 - Macrosiphum (Macrosiphum) cholodkovskyi [ACCEPTED SPECIES 308619:BMTDK nidx=null]
 + Macrosiphum (Macrosiphum) cholodkovskyi [ACCEPTED SPECIES 309001:KT5P2 nidx=null]
Macrosiphum cerealis
 - Macrosiphum cerealis [SYNONYM SPECIES 308619:8PDHZ nidx=null parent=4XT9C]
 + Macrosiphum cerealis [SYNONYM SPECIES 309001:733QM 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 309001:8JW7J 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 309001:8JW8M 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 309001:8JW8R nidx=null parent=8JW8S]
Macrosteles (Macrosteles) obsoletus
 - Macrosteles (Macrosteles) obsoletus (Dorst, 1931) [SYNONYM SPECIES 308619:8JW9T nidx=null parent=8JW9S]
 + Macrosteles (Macrosteles) obsoletus (Dorst, 1931) [SYNONYM SPECIES 309001:KT5S6 nidx=null parent=8JW9S]
Macrosteles (Macrosteles) pallidus
 - Macrosteles (Macrosteles) pallidus (Osborn, 1915) [SYNONYM SPECIES 308619:C55FC nidx=null parent=9KG8B]
 + Macrosteles (Macrosteles) pallidus (Osborn, 1915) [SYNONYM SPECIES 309001:8JW9Z nidx=null parent=9KG8B]
Mactra (Micromactra) isthmica
 - Mactra (Micromactra) isthmica Pilsbry & H. N. Lowe, 1932 [SYNONYM SPECIES 308619:CQNHB nidx=null parent=3XDLD]
 + Mactra (Micromactra) isthmica Pilsbry & H. N. Lowe, 1932 [SYNONYM SPECIES 309001:KT5ZD nidx=null parent=3XDLD]
Marattieae
 - Marattieae Bory [SYNONYM UNRANKED 308619:BW5JH nidx=null parent=B8VFL]
 + Marattieae Bory [SYNONYM TRIBE 309001:KT7MS nidx=null parent=B8VFL]
Marattiidae
 - Marattiidae Klinge [SYNONYM UNRANKED 308619:CKJVG nidx=null parent=B8VFL]
 + Marattiidae Klinge [SYNONYM SUBCLASS 309001:KT7MT nidx=null parent=B8VFL]
Marattioideae
 - Marattioideae C.Presl [SYNONYM UNRANKED 308619:BW5M6 nidx=null parent=B8VGX]
 + Marattioideae C.Presl [SYNONYM SUBFAMILY 309001:KT7MV nidx=null parent=B8VGX]
Marattiophyta
 - Marattiophyta Heintze [SYNONYM UNRANKED 308619:BW4NQ nidx=null parent=B8VFL]
 + Marattiophyta Heintze [SYNONYM PHYLUM 309001:KT7MW nidx=null parent=B8VFL]
Margarites
 - Margarites J. E. Gray, 1847 [ACCEPTED GENUS 308619:7P8FQ nidx=null]
 + Margarites Leach, 1847 [ACCEPTED GENUS 309001:KT54N nidx=null]
Margarites diaphana
 - Margarites diaphana J. E. Gray, 1847 [SYNONYM SPECIES 308619:3Y3ZX nidx=null parent=3Y42B]
 + Margarites diaphana Leach, 1847 [SYNONYM SPECIES 309001:KT54X nidx=null parent=3Y42B]
Marsileeae
 - Marsileeae Duby [SYNONYM UNRANKED 308619:BW5L6 nidx=null parent=B8VBH]
 + Marsileeae Duby [SYNONYM TRIBE 309001:KT5KZ nidx=null parent=B8VBH]
Marsileidae
 - Marsileidae Doweld [SYNONYM UNRANKED 308619:BW529 nidx=null parent=B8V7S]
 + Marsileidae Doweld [SYNONYM SUBCLASS 309001:KT5L2 nidx=null parent=B8V7S]
Marsileineae
 - Marsileineae Wettst. [SYNONYM UNRANKED 308619:BW5HW nidx=null parent=B8V7S]
 + Marsileineae Wettst. [SYNONYM SUBORDER 309001:KT5L3 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 309001:KT5L9 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 309001:736P8 nidx=null]
Matonieae
 - Matonieae T.Moore [SYNONYM UNRANKED 308619:BW5LF nidx=null parent=B8WWJ]
 + Matonieae T.Moore [SYNONYM TRIBE 309001:KT6B7 nidx=null parent=B8WWJ]
Mecosoreae
 - Mecosoreae Klotzsch [SYNONYM UNRANKED 308619:BW5LT nidx=null parent=BDJ47]
 + Mecosoreae Klotzsch [SYNONYM TRIBE 309001:KT6LC nidx=null parent=BDJ47]
Megachile holmbergi
 - Megachile holmbergi (Schrottky, 1920) [SYNONYM SPECIES 308619:3YRQW nidx=null parent=5ZGVV]
 + Megachile holmbergi (Schrottky, 1920) [AMBIGUOUS_SYNONYM SPECIES 309001:8S6CV nidx=null parent=5ZGVV]
Megastomella kleinpelli var. kleinpelli
 - Megastomella kleinpelli var. kleinpelli [SYNONYM VARIETY 308619:BPZBR nidx=null parent=82XYD]
 + Megastomella kleinpelli var. kleinpelli Arnal, 1984 [SYNONYM VARIETY 309001:KT7YG nidx=null parent=82XYD]
Mehratrema militaris
 - Mehratrema militaris Dutta, 1995 [SYNONYM SPECIES 308619:849ZZ nidx=null parent=446P6]
 + Mehratrema militaris Dutta, 1995 [SYNONYM SPECIES 309001:3Z2PH 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 309001:KT878 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 309001:KT879 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 309001:8J8QS nidx=null parent=3DJ9K]
Melampsalta interstans
 - Melampsalta interstans Stål, 1862 [SYNONYM SPECIES 308619:3Z4SC nidx=null parent=4HGYJ]
 + Melampsalta interstans (Walker, 1858) [SYNONYM SPECIES 309001:KT87F 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 309001:KT873 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 309001: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 309001:3Z4X3 nidx=null parent=4XFR6]
Melanella (Balcis) macra
 - Melanella (Balcis) macra Bartsch, 1917 [SYNONYM SPECIES 308619:CSLHF nidx=null parent=7G5H8]
 + Melanella (Balcis) macra Bartsch, 1917 [SYNONYM SPECIES 309001:KT8CF nidx=null parent=7G5H8]
Melanoxantherium salijaponicum
 - Melanoxantherium salijaponicum (Shinji, 1924) [SYNONYM SPECIES 308619:CSLWW nidx=null parent=4PW7P]
 + Melanoxantherium salijaponicum (Shinji, 1924) [SYNONYM SPECIES 309001:KT8MN nidx=null parent=4PW7P]
Meliana scotti
 - Meliana scotti (Hampson, 1905) [SYNONYM SPECIES 308619:BRBWF nidx=null parent=94CC2]
 + Meliana scotti (Hampson, 1905) [SYNONYM SPECIES 309001:97JBT nidx=null parent=94CC2]
Meniscieae
 - Meniscieae Pfeiff. [SYNONYM UNRANKED 308619:BW5JZ nidx=null parent=B8X4T]
 + Meniscieae Pfeiff. [SYNONYM TRIBE 309001:KT749 nidx=null parent=B8X4T]
Menisciinae
 - Menisciinae Payer [SYNONYM UNRANKED 308619:BW5LS nidx=null parent=B8X4T]
 + Menisciinae Payer [SYNONYM SUBTRIBE 309001:KT74B nidx=null parent=B8X4T]
Meotica (Cryptusa)
 - Meotica (Cryptusa) Mulsant & Rey, 1875 [SYNONYM SUBGENUS 308619:CTYPG nidx=null parent=9JB9H]
 + Meotica (Cryptusa) Mulsant & Rey, 1873 [SYNONYM SUBGENUS 309001:KSRQ2 nidx=null parent=9JB9H]
 + Meotica (Cryptusa) Mulsant & Rey, 1875 [SYNONYM SUBGENUS 309001:KSRQ3 nidx=null parent=9JB9H]
 + Meotica (Cryptusa) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 309001:KSRQ4 nidx=null parent=9JB9H]
Mesocoelium brieni
 - Mesocoelium brieni Vercammen-Grandjean, 1960 [ACCEPTED SPECIES 308619:86WKL nidx=null]
 + Mesocoelium brieni Vercammen-Grandjean, 1960 [ACCEPTED SPECIES 309001:84B2J nidx=null]
Mesodon exoletus
 - Mesodon exoletus (A. Gould, 1851) [SYNONYM SPECIES 308619:CQQ9R nidx=null parent=7S53N]
 + Mesodon exoletus (A. Gould, 1851) [SYNONYM SPECIES 309001:KT7YH nidx=null parent=7S53N]
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 309001:KTSLY 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 309001:42LGN nidx=null parent=8FMS9]
Micraster corbovis
 - Micraster corbovis Forbes in Dixon, 1850 [SYNONYM SPECIES 308619:CVGMG nidx=null parent=4THFY]
 + Micraster corbovis Forbes in Dixon, 1850 [SYNONYM SPECIES 309001:KT9WS nidx=null parent=4THFY]
Microcalpe
 - Microcalpe (Mitt.) W.R. Buck [ACCEPTED GENUS 308619:9THYK nidx=null]
 + Microcalpe (Mitt.) Spruce ex A. Jaeger [ACCEPTED GENUS 309001:KT6JS nidx=null]
Microdon (Microdon) mutabilis
 - Microdon (Microdon) mutabilis (Linnaeus, 1758) [ACCEPTED SPECIES 308619:8CV59 nidx=null]
 + Microdon (Microdon) mutabilis (Linnaeus, 1758) [ACCEPTED SPECIES 309001:KQHMY nidx=null]
Microiulus matulicii pauperatus
 - Microiulus matulicii pauperatus Attems, 1959 [SYNONYM SUBSPECIES 308619:CH8FW nidx=null parent=849PC]
 + Microiulus matulicii pauperatus Attems, 1959 [SYNONYM SUBSPECIES 309001:KT74P nidx=null parent=849PC]
Microlepieae
 - Microlepieae Kuhn [SYNONYM UNRANKED 308619:BW5M7 nidx=null parent=BSG5Y]
 + Microlepieae Kuhn [SYNONYM TRIBE 309001:KT75L nidx=null parent=BSG5Y]
Micropalpus clausus
 - Micropalpus clausus Rondani, 1868 [SYNONYM SPECIES 308619:89G5Z nidx=null parent=C2RFJ]
 + Micropalpus clausus Rondani, 1868 [SYNONYM SPECIES 309001:4328R nidx=null parent=C2RFJ]
Microstoma
 - Microstoma [SYNONYM GENUS 308619:CVDPX nidx=null parent=7P9DN]
 + Microstoma [SYNONYM GENUS 309001:KT7SL nidx=null parent=7P9DN]
 + Microstoma [ACCEPTED GENUS 309001:KT7SM nidx=null]
Microthamnium glabrifolium
 - Microthamnium glabrifolium (Müll. Hal.) Kindb. [SYNONYM SPECIES 308619:9SKZ7 nidx=null parent=43RR9]
 + Microthamnium glabrifolium (Müll. Hal.) Müll. Hal. [SYNONYM SPECIES 309001:KT7WR 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 309001: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 309001:43BX6 nidx=null parent=KTSVN]
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 309001:KT89G nidx=null parent=KT89F]
Mogannia chinensis
 - Mogannia chinensis Stål, 1865 [AMBIGUOUS_SYNONYM SPECIES 308619:8J9DM nidx=null parent=8JJNM]
 + Mogannia chinensis Stål, 1865 [AMBIGUOUS_SYNONYM SPECIES 309001:6RMLJ nidx=null parent=8JJNM]
Mogannia fusculata
 - Mogannia fusculata Matsumura, 1907 [SYNONYM SPECIES 308619:8J9DT nidx=null parent=6RMMZ]
 + Mogannia fusculata Kato, 1925 [SYNONYM SPECIES 309001:73MN9 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 309001:KT9QW nidx=null parent=6RMN7]
Mogannia kikowensis
 - Mogannia kikowensis Ôuchi, 1938 [SYNONYM SPECIES 308619:8J9F4 nidx=null parent=8JJNM]
 + Mogannia kikowensis Ôuchi, 1938 [SYNONYM SPECIES 309001:6RMN2 nidx=null parent=8JJNM]
Mohrieae
 - Mohrieae Bommer [SYNONYM UNRANKED 308619:BW5JB nidx=null parent=B8VGL]
 + Mohrieae Bommer [SYNONYM TRIBE 309001:KT9RF nidx=null parent=B8VGL]
Mohrioideae
 - Mohrioideae C.Presl [SYNONYM UNRANKED 308619:BW5M4 nidx=null parent=B8VGL]
 + Mohrioideae C.Presl [SYNONYM SUBFAMILY 309001:KT9RG nidx=null parent=B8VGL]
Molge vittatus
 - Molge vittatus (Gray in Jenyns, 1835) [SYNONYM SPECIES 308619:CP74V nidx=null parent=6SLSK]
 + Molge vittatus (Gray in Jenyns, 1835) [SYNONYM SPECIES 309001:KT9T6 nidx=null parent=6SLSK]
Molobrus fuliginosus
 - Molobrus fuliginosus Fitch, 1856 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X5X nidx=null]
 + Molobrus fuliginosus Fitch, 1856 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSBK nidx=null]
Montastraea conferta
 - †Montastraea conferta (Umbgrove, 1925) [ACCEPTED SPECIES 308619:8KQYK nidx=null]
 + Montastraea conferta (Duncan, 1864) [ACCEPTED SPECIES 309001:KT76M nidx=null]
Montfortia (Hemitoma)
 - Montfortia (Hemitoma) Swainson, 1840 [SYNONYM SUBGENUS 308619:CS2WT nidx=null parent=7P52M]
 + Montfortia (Hemitoma) Swainson, 1840 [SYNONYM SUBGENUS 309001:KSVXD nidx=null parent=7P52M]
Mulsantia blanda
 - Mulsantia blanda Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X6X nidx=null]
 + Mulsantia blanda Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSH6 nidx=null]
Mulsantia spreta
 - Mulsantia spreta Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X6Z nidx=null]
 + Mulsantia spreta Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSHV nidx=null]
Murex (Murex) recurvirostris
 - Murex (Murex) recurvirostris Broderip, 1833 [SYNONYM SPECIES 308619:CSL5R nidx=null parent=5BP5T]
 + Murex (Murex) recurvirostris Broderip, 1833 [SYNONYM SPECIES 309001:KT88H nidx=null parent=5BP5T]
Musca abrupta
 - Musca abrupta Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X73 nidx=null]
 + Musca abrupta Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSHY nidx=null]
Musca aestuans
 - Musca aestuans Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X75 nidx=null]
 + Musca aestuans Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSJH nidx=null]
Musca bicolor
 - Musca bicolor Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X79 nidx=null]
 + Musca bicolor Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSKL nidx=null]
Musca conica
 - Musca conica Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X7L nidx=null]
 + Musca conica Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 309001:9KH7H nidx=null]
Musca convenio
 - Musca convenio Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X7N nidx=null]
 + Musca convenio Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSMD nidx=null]
Musca decore
 - Musca decore Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X7P nidx=null]
 + Musca decore Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSMM nidx=null]
Musca doclea
 - Musca doclea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X7S nidx=null]
 + Musca doclea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSMZ nidx=null]
Musca fimetorum
 - Musca fimetorum Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X82 nidx=null]
 + Musca fimetorum Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSNG nidx=null]
Musca flavipalpis
 - Musca flavipalpis Meigen, 1838 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X83 nidx=null]
 + Musca flavipalpis Meigen, 1838 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSNL nidx=null]
Musca grisea
 - Musca grisea Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X87 nidx=null]
 + Musca grisea Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 309001:9KH94 nidx=null]
Musca guttata
 - Musca guttata Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X88 nidx=null]
 + Musca guttata Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSPB nidx=null]
Musca hebes
 - Musca hebes Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X8B nidx=null]
 + Musca hebes Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 309001:9KH98 nidx=null]
Musca helenii
 - Musca helenii Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X8C nidx=null]
 + Musca helenii Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSPK nidx=null]
Musca lincensis
 - Musca lincensis Schrank, 1776 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X8M nidx=null]
 + Musca lincensis Schrank, 1776 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSQY nidx=null]
Musca metallina
 - Musca metallina Gravenhorst, 1807 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X8X nidx=null]
 + Musca metallina Gravenhorst, 1807 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSRP nidx=null]
Musca nigripilis
 - Musca nigripilis Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X95 nidx=null]
 + Musca nigripilis Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSSF nidx=null]
Musca prodromaria
 - Musca prodromaria Panzer, 1804 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X97 nidx=null]
 + Musca prodromaria Panzer, 1804 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSTX nidx=null]
Musca prolabor
 - Musca prolabor Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X98 nidx=null]
 + Musca prolabor Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSTY nidx=null]
Musca sacalis
 - Musca sacalis Bjerkander, 1783 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X99 nidx=null]
 + Musca sacalis Bjerkander, 1783 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSWK nidx=null]
Musca terrestris
 - Musca terrestris Linnaeus, 1767 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X9B nidx=null]
 + Musca terrestris Linnaeus, 1767 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JSY2 nidx=null]
Mycale (Zygomycale) parishi
 - Mycale (Zygomycale) parishi [SYNONYM SPECIES 308619:CSLRN nidx=null parent=6RR43]
 + Mycale (Zygomycale) parishi [SYNONYM SPECIES 309001:KT8LC nidx=null parent=6RR43]
Mycetophila borealis
 - Mycetophila borealis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3X9F nidx=null]
 + Mycetophila borealis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JT38 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 309001:4524P nidx=null parent=8FFFR]
Myiolepta luhei
 - †Myiolepta luhei Cockerell, 1910 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XDW nidx=null]
 + Myiolepta luhei Cockerell, 1910 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JT5Q nidx=null]
Myiophasia solitaria
 - Myiophasia solitaria Aldrich, 1934 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XDY nidx=null]
 + Myiophasia solitaria Aldrich, 1934 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JT66 nidx=null]
Myophora arvicola
 - Myophora arvicola Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XF9 nidx=null]
 + Myophora arvicola Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JT72 nidx=null]
Myophora rapida
 - Myophora rapida Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XFQ nidx=null]
 + Myophora rapida Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JT7Z nidx=null]
Myothyria degeerioides
 - Myothyria degeerioides Wulp, 1890 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XGC nidx=null]
 + Myothyria degeerioides Wulp, 1890 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JT8F nidx=null]
Myrmedonia (Myrmelia)
 - Myrmedonia (Myrmelia) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 308619:CVH3T nidx=null parent=9JBF8]
 + Myrmedonia (Myrmelia) Mulsant & Rey, 1873 [SYNONYM SUBGENUS 309001:KTBFY nidx=null parent=9JBF8]
 + Myrmedonia (Myrmelia) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 309001:KTBFZ nidx=null parent=9JBF8]
Myzaphis pujoli
 - Myzaphis pujoli [SYNONYM SPECIES 308619:8Q758 nidx=null parent=5VLKR]
 + Myzaphis pujoli Gómez-Menor Ortega, 1950 [SYNONYM SPECIES 309001:KT6ZM nidx=null parent=KSG24]
Nanomitrium brisbanicum
 - Nanomitrium brisbanicum (Broth.) Broth. [SYNONYM SPECIES 308619:9SLZW nidx=null parent=6DSXW]
 + Nanomitrium brisbanicum (Broth.) Paris [SYNONYM SPECIES 309001:KT7HX nidx=null parent=6DSXW]
Nassa (Niotha) kieneri
 - Nassa (Niotha) kieneri Deshayes, 1863 [SYNONYM SPECIES 308619:CSK8V nidx=null parent=7S9RQ]
 + Nassa (Niotha) kieneri Deshayes, 1863 [SYNONYM SPECIES 309001:KT7SG nidx=null parent=7S9RQ]
Neckera ossulana
 - †Neckera ossulana Craveri [ACCEPTED SPECIES 308619:9WBTQ nidx=null]
 + Neckera ossulana Sordelli [ACCEPTED SPECIES 309001:KT8KY nidx=null]
Nemertes fuscescens
 - Nemertes fuscescens [SYNONYM SPECIES 308619:467JS nidx=null parent=3V2RM]
 + Nemertes fuscescens (Fabricius, 1774) [SYNONYM SPECIES 309001:KT9DP nidx=null parent=3V2RM]
Nemotelus (Nemotelus) fraternus
 - Nemotelus (Nemotelus) fraternus Loew, 1846 [ACCEPTED SPECIES 308619:CP6NK nidx=null]
 + Nemotelus (Nemotelus) fraternus Loew, 1846 [ACCEPTED SPECIES 309001:KT9J3 nidx=null]
Nemotelus (Nemotelus) leucorrhynchus
 - Nemotelus (Nemotelus) leucorrhynchus Bezzi, 1903 [ACCEPTED SPECIES 308619:CVG52 nidx=null]
 + Nemotelus (Nemotelus) leucorrhynchus Bezzi, 1903 [ACCEPTED SPECIES 309001:KT9J4 nidx=null]
Nemotelus (Nemotelus) punctirostris
 - Nemotelus (Nemotelus) punctirostris Lindner, 1974 [ACCEPTED SPECIES 308619:CSNF4 nidx=null]
 + Nemotelus (Nemotelus) punctirostris Lindner, 1974 [ACCEPTED SPECIES 309001:KT9J7 nidx=null]
Nemotelus (Nemotelus) satunini
 - Nemotelus (Nemotelus) satunini Pleske, 1937 [ACCEPTED SPECIES 308619:CVG59 nidx=null]
 + Nemotelus (Nemotelus) satunini Pleske, 1937 [ACCEPTED SPECIES 309001:KT9JB nidx=null]
Nemotelus rufus
 - Nemotelus rufus De Geer, 1776 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XGT nidx=null]
 + Nemotelus rufus De Geer, 1776 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JT97 nidx=null]
Nemotelus sylvestris
 - Nemotelus sylvestris Müller, 1776 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XGZ nidx=null]
 + Nemotelus sylvestris Müller, 1776 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JT9F nidx=null]
Neocytheretta murilineata
 - Neocytheretta murilineata Zhao (Yi-Chun) & Whatley, 1989 [ACCEPTED SPECIES 308619:46FPH nidx=null]
 + Neocytheretta murilineata Zhao & Whatley, 1989 [ACCEPTED SPECIES 309001:KT9X9 nidx=null]
Neomonoceratina indonesiana
 - Neomonoceratina indonesiana Whatley & Zhao (Yi-Chun), 1988 [ACCEPTED SPECIES 308619:46N4Q nidx=null]
 + Neomonoceratina indonesiana Whatley & Zhao, 1988 [ACCEPTED SPECIES 309001:KTBHV nidx=null]
Nephrodiinae
 - Nephrodiinae Payer [SYNONYM UNRANKED 308619:BW5L2 nidx=null parent=B8WX3]
 + Nephrodiinae Payer [SYNONYM SUBTRIBE 309001:KT7BX nidx=null parent=B8WX3]
Nephrolepideae
 - Nephrolepideae Pfeiff. [SYNONYM UNRANKED 308619:BW5J6 nidx=null parent=B8WX3]
 + Nephrolepideae Pfeiff. [SYNONYM TRIBE 309001:KT7CX nidx=null parent=B8WX3]
Nereis (Heteronereis)
 - Nereis (Heteronereis) [ACCEPTED SUBGENUS 308619:BRKJR nidx=null]
 + Nereis (Heteronereis) Örsted, 1842 [SYNONYM SUBGENUS 309001:KSXWX nidx=null parent=84QYH]
Nereis (Lycoris) gisserana
 - Nereis (Lycoris) gisserana Horst, 1924 [SYNONYM SPECIES 308619:CSK3S nidx=null parent=45Y4F]
 + Nereis (Lycoris) gisserana Horst, 1924 [SYNONYM SPECIES 309001:KT7LN nidx=null parent=45Y4F]
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 309001:KT7NW 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 309001:97NQW nidx=null parent=92YVY]
Noctua orychalcea
 - Noctua orychalcea (Hübner, 1803) [SYNONYM SPECIES 308619:BRCDX nidx=null parent=93R8P]
 + Noctua orychalcea (Hübner, 1803) [SYNONYM SPECIES 309001:95BVY 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 309001:97NWJ 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 309001:97NXM 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 309001:47LKM 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 309001:KT9C7 nidx=null parent=832V2]
Notholaeneae
 - Notholaeneae Gaudich. [SYNONYM UNRANKED 308619:BW5JD nidx=null parent=B8X36]
 + Notholaeneae Gaudich. [SYNONYM TRIBE 309001:KTBH6 nidx=null parent=B8X36]
Notiphila peregrina
 - Notiphila peregrina Wiedemann, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XKK nidx=null]
 + Notiphila peregrina Wiedemann, 1830 [PROVISIONALLY_ACCEPTED SPECIES 309001:9V8GB nidx=null]
Notoluponia (Notadusta)
 - Notoluponia (Notadusta) F. A. Schilder, 1935 [SYNONYM SUBGENUS 308619:CTZFF nidx=null parent=7P9XZ]
 + Notoluponia (Notadusta) F. A. Schilder, 1935 [SYNONYM SUBGENUS 309001:KSSJB nidx=null parent=7P9XZ]
Nucula (Leionucula) nova
 - Nucula (Leionucula) nova Wilckens, 1910 [SYNONYM SPECIES 308619:CVHQ4 nidx=null parent=BM2V8]
 + Nucula (Leionucula) nova Wilckens, 1910 [SYNONYM SPECIES 309001:KTBR8 nidx=null parent=BM2V8]
Ocenebra
 - Ocenebra J. E. Gray, 1847 [ACCEPTED GENUS 308619:7PB45 nidx=null]
 + Ocenebra Leach, 1847 [ACCEPTED GENUS 309001:KSMM7 nidx=null]
Ochtiphila albiceps
 - Ochtiphila albiceps Meigen, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XLH nidx=null]
 + Ochtiphila albiceps Meigen, 1830 [PROVISIONALLY_ACCEPTED SPECIES 309001:9V8GW nidx=null]
Octoblephareae
 - Octoblephareae Cardot [SYNONYM TRIBE 308619:9WG5K nidx=null parent=9RKTL]
 + Octoblephareae Mont. ex Berk. [SYNONYM TRIBE 309001:KT8MH nidx=null parent=9RKTL]
Octopyle
 - Octopyle [ACCEPTED GENUS 308619:66PS nidx=null]
 + Octopyle Haeckel, 1881 [ACCEPTED GENUS 309001:KT8NH nidx=null]
Oediceros aequimanus
 - Oediceros aequimanus Kossmann, 1880 [SYNONYM SPECIES 308619:7XKHT nidx=null parent=4F2PJ]
 + Oediceros aequimanus Kossmann, 1880 [SYNONYM SPECIES 309001:48VQ6 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 309001:KTB7X nidx=null parent=KTTHB]
Oleandreae
 - Oleandreae J.Sm. [SYNONYM UNRANKED 308619:BV8LF nidx=null parent=B8WX7]
 + Oleandreae J.Sm. [SYNONYM TRIBE 309001:KTBCB nidx=null parent=B8WX7]
Oleandroideae
 - Oleandroideae Crabbe, Jermy & Mickel [SYNONYM UNRANKED 308619:BV8QL nidx=null parent=B8WX7]
 + Oleandroideae Crabbe, Jermy & Mickel [SYNONYM SUBFAMILY 309001:KTBCC nidx=null parent=B8WX7]
Oligogetes relictus
 - †Oligogetes relictus Makarkin, 1998 [ACCEPTED SPECIES 308619:4966D nidx=null]
 + Oligogetes relictus Makarkin, 1998 [ACCEPTED SPECIES 309001:DZ6FK nidx=null]
Oligomera (Eriocera) javensis
 - Oligomera (Eriocera) javensis Doleschall, 1857 [PROVISIONALLY_ACCEPTED SPECIES 308619:CQSHK nidx=null]
 + Oligomera (Eriocera) javensis Doleschall, 1857 [PROVISIONALLY_ACCEPTED SPECIES 309001:KTBJM nidx=null]
Oncideres callydryas
 - Oncideres callydryas [SYNONYM SPECIES 308619:CBHPK nidx=null parent=6QLRW]
 + Oncideres callydryas [SYNONYM SPECIES 309001:KTBWF nidx=null parent=6QLRW]
Oncometopia (Oncometopia) obtusa funebris
 - Oncometopia (Oncometopia) obtusa funebris (Signoret, 1854) [SYNONYM SUBSPECIES 308619:CVJ5M nidx=null parent=49HWS]
 + Oncometopia (Oncometopia) obtusa funebris (Signoret, 1854) [SYNONYM SUBSPECIES 309001:KTC49 nidx=null parent=49HWS]
Onesia gentilis
 - Onesia gentilis Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XNS nidx=null]
 + Onesia gentilis Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JTGZ nidx=null]
Onocleeae
 - Onocleeae Tod. [SYNONYM UNRANKED 308619:BW5JM nidx=null parent=B8WCH]
 + Onocleeae Tod. [SYNONYM TRIBE 309001:KT8B6 nidx=null parent=B8WCH]
Onocleinae
 - Onocleinae Diels [SYNONYM UNRANKED 308619:BW5LY nidx=null parent=B8WCH]
 + Onocleinae Diels [SYNONYM SUBTRIBE 309001:KT8B7 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 309001:7XMWF 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 309001:7W5HY 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 309001:7XNJN 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 309001:7XNMV 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 309001:7XNXR 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 309001:7XP4Z 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 309001:7XP55 nidx=null parent=7XN53]
 + Onthophagus urus Heer, 1847 [SYNONYM SPECIES 309001:7XP56 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 309001:7XP6Z nidx=null parent=7XPJ4]
Onukia kelloggii
 - Onukia kelloggii Baker, 1923 [SYNONYM SPECIES 308619:CVFHV nidx=null parent=RD9Y]
 + Onukia kelloggii Baker, 1923 [SYNONYM SPECIES 309001:KT8GN nidx=null parent=RD9Y]
Oospora dagatae
 - Oospora dagatae Sacc. [SYNONYM SPECIES 308619:49T47 nidx=null parent=79Z9L]
 + Oospora dagatae Sacc. [SYNONYM SPECIES 309001:DRX8L nidx=null parent=79Z9L]
Ophioglossaceae
 - Ophioglossaceae Martinov [SYNONYM UNRANKED 308619:CKKCR nidx=null parent=B8X43]
 + Ophioglossaceae Martinov [SYNONYM FAMILY 309001:KT83Y 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 309001:KT985 nidx=null parent=B8V4P]
 + Ophioglosseae Hook. & Lindl. ex Duby [SYNONYM TRIBE 309001:KT986 nidx=null parent=B8X43]
Ophioglossidae
 - Ophioglossidae Klinge [SYNONYM UNRANKED 308619:CKL5G nidx=null parent=B8V4K]
 + Ophioglossidae Klinge [SYNONYM SUBCLASS 309001:KT987 nidx=null parent=B8V4K]
Ophioglossophyta
 - Ophioglossophyta Bek. [SYNONYM UNRANKED 308619:BW4NR nidx=null parent=B8V4K]
 + Ophioglossophyta Bek. [SYNONYM PHYLUM 309001:KT988 nidx=null parent=B8V4K]
Ophioglossophytina
 - Ophioglossophytina Doweld [SYNONYM UNRANKED 308619:BW5LL nidx=null parent=B8V4K]
 + Ophioglossophytina Doweld [SYNONYM SUBPHYLUM 309001:KT989 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 309001:7534D nidx=null parent=736P8]
Opsius stactogallus
 - Opsius stactogallus (Fieber, 1866) [SYNONYM SPECIES 308619:CKLZW nidx=null parent=9WS86]
 + Opsius stactogallus (Fieber, 1866) [SYNONYM SPECIES 309001:KT9ZY nidx=null parent=9WS86]
Ortalis semivitta
 - Ortalis semivitta Walker, 1865 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XQ4 nidx=null]
 + Ortalis semivitta Walker, 1865 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JTKB 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 309001:KTCSH 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 309001:KT9F6 nidx=null]
Osmundeae
 - Osmundeae Hook. & Lindl. ex Duby [SYNONYM UNRANKED 308619:BW52H nidx=null parent=B8WX9]
 + Osmundeae Hook. & Lindl. ex Duby [SYNONYM TRIBE 309001:KT9F9 nidx=null parent=B8WX9]
Osmundoideae
 - Osmundoideae Sweet [SYNONYM UNRANKED 308619:BW52J nidx=null parent=B8WX9]
 + Osmundoideae Sweet [SYNONYM SUBFAMILY 309001:KT9FC nidx=null parent=B8WX9]
Otiorhynchus vranensis
 - Otiorhynchus vranensis Apfelbeck, 1895 [SYNONYM SPECIES 308619:CSPQW nidx=null parent=373HP]
 + Otiorhynchus vranensis Apfelbeck, 1895 [SYNONYM SPECIES 309001:KT9TD nidx=null parent=373HP]
 + Otiorhynchus vranensis Apfelbeck, 1894 [SYNONYM SPECIES 309001:KT9TF nidx=null parent=373HP]
Otosphaera
 - Otosphaera [ACCEPTED GENUS 308619:63HMS nidx=null]
 + Otosphaera Haeckel, 1887 [ACCEPTED GENUS 309001:KT9W8 nidx=null]
Oxydromus bunbuku
 - Oxydromus bunbuku (Uchida, 2004) [ACCEPTED SPECIES 308619:6TFH6 nidx=null]
 + Oxydromus bunbuku Uchida in Uchida, Lopéz & Sato, 2019 [ACCEPTED SPECIES 309001:KTBHC nidx=null]
Oxydromus constrictus
 - Oxydromus constrictus (Uchida, 2004) [ACCEPTED SPECIES 308619:6TFGV nidx=null]
 + Oxydromus constrictus Uchida in Uchida, Lopéz & Sato, 2019 [ACCEPTED SPECIES 309001:KTBHD nidx=null]
Oxydromus fauveli
 - Oxydromus fauveli (Uchida, 2004) [ACCEPTED SPECIES 308619:75FH7 nidx=null]
 + Oxydromus fauveli Uchida in Uchida, Lopéz & Sato, 2019 [ACCEPTED SPECIES 309001:KTBHF nidx=null]
Oxydromus okudai
 - Oxydromus okudai (Uchida, 2004) [ACCEPTED SPECIES 308619:75FJF nidx=null]
 + Oxydromus okudai Uchida in Uchida, Lopéz & Sato, 2019 [ACCEPTED SPECIES 309001:KTBHG nidx=null]
Oxydromus parapallidus
 - Oxydromus parapallidus (Uchida, 2004) [ACCEPTED SPECIES 308619:75FJH nidx=null]
 + Oxydromus parapallidus Uchida in Uchida, Lopéz & Sato, 2019 [ACCEPTED SPECIES 309001:KTBHH nidx=null]
Pachyopsis laetus
 - Pachyopsis laetus Uhler, 1877 [SYNONYM SPECIES 308619:CSRM7 nidx=null parent=8KHWD]
 + Pachyopsis laetus Uhler, 1877 [SYNONYM SPECIES 309001:B4FNP nidx=null parent=8KHWD]
Palaeocolpodia eocenica
 - †Palaeocolpodia eocenica Meunier, 1904 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XVF nidx=null]
 + Palaeocolpodia eocenica Meunier, 1904 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JTQ7 nidx=null]
Palaeopipiza xenos
 - †Palaeopipiza xenos Meunier, 1902 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XVG nidx=null]
 + Palaeopipiza xenos Meunier, 1902 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JTQD nidx=null]
Palaeosphegina tristis
 - †Palaeosphegina tristis Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XVH nidx=null]
 + Palaeosphegina tristis Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JTQR nidx=null]
Pangonia leucomelana
 - Pangonia leucomelana Séguy, 1933 [SYNONYM SPECIES 308619:89MQW nidx=null parent=8D9TL]
 + Pangonia leucomelana Séguy, 1933 [SYNONYM SPECIES 309001:4CCJZ nidx=null parent=8D9TL]
Pangonia senegalensis
 - Pangonia senegalensis Macquart, 1834 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XVW nidx=null]
 + Pangonia senegalensis Macquart, 1834 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JTTY nidx=null]
Parabolocratus wallengrenii
 - Parabolocratus wallengrenii (Stål, 1870) [SYNONYM SPECIES 308619:CVJ2F nidx=null parent=3JYL9]
 + Parabolocratus wallengrenii (Stål, 1870) [SYNONYM SPECIES 309001:KTBZ3 nidx=null parent=3JYL9]
Paracathaycythere
 - Paracathaycythere Whatley & Zhao (Yi-Chun), 1991 [ACCEPTED GENUS 308619:85H6F nidx=null]
 + Paracathaycythere Whatley & Zhao, 1991 [ACCEPTED GENUS 309001:KTC4L nidx=null]
Paracathaycythere costaereticulata
 - †Paracathaycythere costaereticulata Whatley & Zhao (Yi-Chun), 1991 [ACCEPTED SPECIES 308619:85WFF nidx=null]
 + Paracathaycythere costaereticulata Whatley & Zhao, 1991 [ACCEPTED SPECIES 309001:KTC4M nidx=null]
Paracathaycythere scabra
 - †Paracathaycythere scabra Zhao (Yi-Chun) & Whatley, 1991 [ACCEPTED SPECIES 308619:85WFG nidx=null]
 + Paracathaycythere scabra Zhao & Whatley, 1991 [ACCEPTED SPECIES 309001:KTC4N nidx=null]
Paractis explorator
 - Paractis explorator [SYNONYM SPECIES 308619:4CRSK nidx=null parent=7YW6M]
 + Paractis explorator (Dayell, 1848) [SYNONYM SPECIES 309001:KTCCV nidx=null parent=7YW6M]
Paractis viduata
 - Paractis viduata [SYNONYM SPECIES 308619:4CRTR nidx=null parent=7YW6M]
 + Paractis viduata (Müller, 1776) [SYNONYM SPECIES 309001:KTCCW nidx=null parent=7YW6M]
Paralongidorus (Siddiqia) remyi
 - Paralongidorus (Siddiqia) remyi (Altherr, 1963) Siddiqi & Husain, 1965 [SYNONYM SPECIES 308619:CVJZW nidx=null parent=9C8QH]
 + Paralongidorus (Siddiqia) remyi (Altherr, 1963) Siddiqi & Husain, 1965 [SYNONYM SPECIES 309001:KTD8D nidx=null parent=9C8QH]
Paramystrothrips moundi
 - Paramystrothrips moundi Bhatti, 1996 [ACCEPTED SPECIES 308619:CPB3M nidx=null]
 + Paramystrothrips moundi Bhatti, 1995 [AMBIGUOUS_SYNONYM SPECIES 309001:KTDD5 nidx=null parent=45FS6]
 + Paramystrothrips moundi Bhatti, 1996 [ACCEPTED SPECIES 309001:KTDD6 nidx=null]
Paratilapia thumbergii
 - Paratilapia thumbergii (Castelnau, 1861) [SYNONYM SPECIES 308619:CMK9H nidx=null parent=4WWVX]
 + Paratilapia thumbergii (Castelnau, 1861) [SYNONYM SPECIES 309001:KTF74 nidx=null parent=4WWVX]
 + Paratilapia thumbergii () [MISAPPLIED SPECIES 309001:KTF75 nidx=null parent=4WWVD]
Parkerieae
 - Parkerieae Brongn. [SYNONYM UNRANKED 308619:BW5JV nidx=null parent=B8X44]
 + Parkerieae Brongn. [SYNONYM TRIBE 309001:KTBJH nidx=null parent=B8X44]
Patina
 - Patina Gray, 1847 [SYNONYM GENUS 308619:BGMNT nidx=null parent=7PC38]
 + Patina Leach, 1847 [SYNONYM GENUS 309001:KTCDW nidx=null parent=7PC38]
Pecten (Chlamys) latiauratus
 - Pecten (Chlamys) latiauratus Conrad, 1837 [SYNONYM SPECIES 308619:CVJVY nidx=null parent=3TSL8]
 + Pecten (Chlamys) latiauratus Conrad, 1837 [SYNONYM SPECIES 309001:KTCW8 nidx=null parent=3TSL8]
Pecten (Plagioctenium)
 - Pecten (Plagioctenium) Dall, 1898 [SYNONYM SUBGENUS 308619:CL4YX nidx=null parent=7NPNX]
 + Pecten (Plagioctenium) Dall, 1898 [SYNONYM SUBGENUS 309001:KSF3W nidx=null parent=7NPNX]
Pectinaria (Lagis) australis
 - Pectinaria (Lagis) australis Ehlers, 1904 [SYNONYM SPECIES 308619:CVJZ9 nidx=null parent=6NV63]
 + Pectinaria (Lagis) australis Ehlers, 1904 [SYNONYM SPECIES 309001:KTD7Y nidx=null parent=6NV63]
Pectunculus bimaculatus var. crassa
 - Pectunculus bimaculatus var. crassa A. Koch & Pallary, 1900 [SYNONYM VARIETY 308619:CQV6Q nidx=null parent=6KMB5]
 + Pectunculus bimaculatus var. crassa A. Koch & Pallary, 1900 [SYNONYM VARIETY 309001:KTD88 nidx=null parent=6KMB5]
Pegomya laminata
 - Pegomya laminata Ringdahl, 1951 [ACCEPTED SPECIES 308619:92VST nidx=null]
 + Pegomya laminata Ringdahl, 1951 [ACCEPTED SPECIES 309001:75XZC nidx=null]
Penthimia vanduzeii
 - Penthimia vanduzeii (Kirkaldy, 1906) [SYNONYM SPECIES 308619:CSW5X nidx=null parent=38QVS]
 + Penthimia vanduzeii (Kirkaldy, 1906) [SYNONYM SPECIES 309001:KTFJ2 nidx=null parent=38QVS]
Penthoptera (Eriocera) batesi
 - Penthoptera (Eriocera) batesi Alexander, 1921 [PROVISIONALLY_ACCEPTED SPECIES 308619:CSW5Z nidx=null]
 + Penthoptera (Eriocera) batesi Alexander, 1921 [PROVISIONALLY_ACCEPTED SPECIES 309001:KTFJ6 nidx=null]
Penthoptera (Eriocera) conjuncta
 - Penthoptera (Eriocera) conjuncta Alexander, 1914 [PROVISIONALLY_ACCEPTED SPECIES 308619:CSW64 nidx=null]
 + Penthoptera (Eriocera) conjuncta Alexander, 1914 [PROVISIONALLY_ACCEPTED SPECIES 309001:KTFJB nidx=null]
Pepsis bicarinata
 - Pepsis bicarinata Mocsáry in litt. [SYNONYM SPECIES 308619:CSWMW nidx=null parent=76RV7]
 + Pepsis bicarinata Mocsáry in litt. [SYNONYM SPECIES 309001:KTFR8 nidx=null parent=76RV7]
Peranemateae
 - Peranemateae C.Presl [SYNONYM UNRANKED 308619:BW52K nidx=null parent=B8X3F]
 + Peranemateae C.Presl [SYNONYM TRIBE 309001:KTFTG nidx=null parent=B8X3F]
Peranematinae
 - Peranematinae Trevis. [SYNONYM UNRANKED 308619:BW5K9 nidx=null parent=B8X3F]
 + Peranematinae Trevis. [SYNONYM SUBTRIBE 309001:KTFTH nidx=null parent=B8X3F]
Peripyramis
 - Peripyramis [ACCEPTED GENUS 308619:63L9W nidx=null]
 + Peripyramis Haeckel, 1881 [ACCEPTED GENUS 309001:KTC2D nidx=null]
Phaenocladius karicus
 - Phaenocladius karicus Chernovsky, 1944 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3XYB nidx=null]
 + Phaenocladius karicus Chernovsky, 1944 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JVF9 nidx=null]
Phalacrocorax brasilianus
 - Phalacrocorax brasilianus (Gmelin, 1789) [ACCEPTED SPECIES 308619:4FQQ8 nidx=null]
 + Phalacrocorax brasilianus (J. F. Gmelin, 1789) [SYNONYM SPECIES 309001:KTDRK nidx=null parent=D5K96]
Phalacrocorax carbo sinensis
 - Phalacrocorax carbo sinensis (Blumenbach, 1798) [ACCEPTED SUBSPECIES 308619:BNTPN nidx=null]
 + Phalacrocorax carbo sinensis (Staunton, 1796) [ACCEPTED SUBSPECIES 309001:KTDRP 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 309001: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 309001: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 309001:97YMT 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 309001:BRCXH nidx=null parent=BFLFD]
Phalangeriformes
 - Phalangeriformes Szalay in Archer (ed.), 1982 [ACCEPTED SUBORDER 308619:622WY nidx=null]
 + Phalangeriformes Szalay in Archer, 1982 [ACCEPTED SUBORDER 309001:KTDWS nidx=null]
Phallorthidae
 - Phallorthidae Chamberlin, 1952 [SYNONYM SUBFAMILY 308619:BG5L9 nidx=null parent=7NL4X]
 + Phallorthidae Chamberlin, 1952 [SYNONYM FAMILY 309001:KTDZP nidx=null parent=7NL4X]
Phanaeus lautus
 - Phanaeus lautus MacLeay, 1819 [SYNONYM SPECIES 308619:7Y4LS nidx=null parent=7ZQ4T]
 + Phanaeus lautus MacLeay, 1819 [SYNONYM SPECIES 309001:4FSMT 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 309001:874GT 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 309001:KTFGR nidx=null parent=B8X46]
 + Phegopteridinae Rouy [SYNONYM SUBTRIBE 309001:KTFGS nidx=null parent=B8X46]
Philinta flava
 - Philinta flava Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3Y23 nidx=null]
 + Philinta flava Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JVGQ 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 309001: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 309001:KTBQC nidx=null]
Philonotis tricolor
 - Philonotis tricolor (Müll. Hal.) Kindb. [ACCEPTED SPECIES 308619:9KMV9 nidx=null]
 + Philonotis tricolor (Müll. Hal.) Müll. Hal. [ACCEPTED SPECIES 309001:KTBQG nidx=null]
Phimenes solomonis
 - Phimenes solomonis (Vecht, 1959) [ACCEPTED SPECIES 308619:CVHZC nidx=null]
 + Phimenes solomonis (Vecht, 1959) [ACCEPTED SPECIES 309001:KTBYN nidx=null]
Phlepsius palustris
 - Phlepsius palustris Sanders & DeLong, 1923 [SYNONYM SPECIES 308619:CVJ7T nidx=null parent=8KKHD]
 + Phlepsius palustris Sanders & DeLong, 1923 [SYNONYM SPECIES 309001:KTC65 nidx=null parent=8KKHD]
Phora gigantea
 - Phora gigantea Enderlein, 1912 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3Y2M nidx=null]
 + Phora gigantea Enderlein, 1912 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JVHG nidx=null]
Phormospyris
 - Phormospyris [ACCEPTED GENUS 308619:6P2W nidx=null]
 + Phormospyris Haeckel, 1881 [ACCEPTED GENUS 309001:KTD68 nidx=null]
Phormostichoartus
 - Phormostichoartus [ACCEPTED GENUS 308619:6P2X nidx=null]
 + Phormostichoartus Campbell, 1951 [ACCEPTED GENUS 309001:KSSWB nidx=null]
Phyllonorycter anderidae
 - Phyllonorycter anderidae (W. Fletcher, 1885) [ACCEPTED SPECIES 308619:4H836 nidx=null]
 + Phyllonorycter anderidae (W. Fletcher, 1885) [ACCEPTED SPECIES 309001:DJ85W nidx=null]
Physematieae
 - Physematieae J.Sm. [SYNONYM UNRANKED 308619:BW5JN nidx=null parent=B8VGN]
 + Physematieae J.Sm. [SYNONYM TRIBE 309001:KTFT8 nidx=null parent=B8VGN]
Pilulariales
 - Pilulariales Bercht. & J.Presl [SYNONYM UNRANKED 308619:B8WM9 nidx=null parent=B8V7S]
 + Pilulariales Bercht. & J.Presl [SYNONYM ORDER 309001:KTCF3 nidx=null parent=B8V7S]
Pinnotheres monodactylum
 - Pinnotheres monodactylum Say, 1818 [SYNONYM SPECIES 308619:7Y7YC nidx=null parent=84H9L]
 + Pinnotheres monodactylum Say, 1818 [SYNONYM SPECIES 309001:4HZ7P 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 309001:9JVTT nidx=null]
Pisidium (Henslowiana)
 - Pisidium (Henslowiana) Servain, 1888 [SYNONYM SUBGENUS 308619:CV5MQ nidx=null parent=7P3P6]
 + Pisidium (Henslowiana) Servain, 1888 [SYNONYM SUBGENUS 309001:KSXQC nidx=null parent=7P3P6]
Plagiacantha
 - Plagiacantha [ACCEPTED GENUS 308619:6R7S nidx=null]
 + Plagiacantha Claparède, 1858 [ACCEPTED GENUS 309001:KTDW3 nidx=null]
Plagiogyriidae
 - Plagiogyriidae Doweld [SYNONYM UNRANKED 308619:BW52B nidx=null parent=B8V49]
 + Plagiogyriidae Doweld [SYNONYM SUBCLASS 309001:KTF2B nidx=null parent=B8V49]
Plagioporus (Plagioporus) dactylopagri
 - Plagioporus (Plagioporus) dactylopagri Manter, 1954 [SYNONYM SPECIES 308619:CVKZS nidx=null parent=3XDV6]
 + Plagioporus (Plagioporus) dactylopagri Manter, 1954 [SYNONYM SPECIES 309001:KTF2Y nidx=null parent=3XDV6]
Plagioporus (Plagioporus) interruptus
 - Plagioporus (Plagioporus) interruptus Manter, 1954 [SYNONYM SPECIES 308619:CSVKY nidx=null parent=7TXZN]
 + Plagioporus (Plagioporus) interruptus Manter, 1954 [SYNONYM SPECIES 309001:KTF2Z 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 309001:KTF32 nidx=null parent=6S7ZW]
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 309001:KTF3H nidx=null parent=77MT3]
Platyceriinae
 - Platyceriinae Diels [SYNONYM UNRANKED 308619:BW5LN nidx=null parent=B8X47]
 + Platyceriinae Diels [SYNONYM SUBTRIBE 309001:KTFTZ nidx=null parent=B8X47]
Platypleura (Platypleura) stridula capensis
 - Platypleura (Platypleura) stridula capensis (Linnaeus, 1764) [SYNONYM SUBSPECIES 308619:CSXFQ nidx=null parent=6W33Y]
 + Platypleura (Platypleura) stridula capensis (Linnaeus, 1764) [SYNONYM SUBSPECIES 309001:KTGJN nidx=null parent=6W33Y]
Platypleura (Poecilopsaltria) affinis distincta
 - Platypleura (Poecilopsaltria) affinis distincta Atkinson, 1884 [SYNONYM SUBSPECIES 308619:CSXFT nidx=null parent=6VR2D]
 + Platypleura (Poecilopsaltria) affinis distincta Atkinson, 1884 [SYNONYM SUBSPECIES 309001:KTGJR nidx=null parent=6VR2D]
Platypleura kampferi
 - Platypleura kampferi (Matsumura, 1913) [SYNONYM SPECIES 308619:8JCD3 nidx=null parent=7FZJN]
 + Platypleura kampferi (Fabricius, 1794) [SYNONYM SPECIES 309001:KTGK2 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 309001:KTGR2 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 309001:KTC9P nidx=null parent=839CP]
Plectopyramis
 - Plectopyramis [ACCEPTED GENUS 308619:6SB8 nidx=null]
 + Plectopyramis Haeckel, 1881 [ACCEPTED GENUS 309001:KTCC9 nidx=null]
Pleopeltideae
 - Pleopeltideae V.N.Tu [SYNONYM UNRANKED 308619:BW5HX nidx=null parent=B8X4C]
 + Pleopeltideae V.N.Tu [SYNONYM TRIBE 309001:KTCG6 nidx=null parent=B8X4C]
Pleopeltidoideae
 - Pleopeltidoideae B.K.Nayar [SYNONYM UNRANKED 308619:B8X49 nidx=null parent=B8X4C]
 + Pleopeltidoideae B.K.Nayar [SYNONYM SUBFAMILY 309001:KTCG7 nidx=null parent=B8X4C]
Pleurocapsales
 - Pleurocapsales Cavalier-Smith, 2002 [SYNONYM ORDER 308619:CSSVF nidx=null parent=CNKDF]
 + Pleurocapsales Geitler [SYNONYM ORDER 309001:KTCTB nidx=null parent=DQ5KP]
Pleurogenes sitapurii
 - Pleurogenes sitapurii Srivastava, 1934 [SYNONYM SPECIES 308619:8K3WT nidx=null parent=84CDL]
 + Pleurogenes sitapurii Srivastava, 1934 [SYNONYM SPECIES 309001:84CD4 nidx=null parent=84CDL]
Pleurogrammeae
 - Pleurogrammeae Pfeiff. [SYNONYM UNRANKED 308619:BW5LJ nidx=null parent=B8X3J]
 + Pleurogrammeae Pfeiff. [SYNONYM TRIBE 309001:KTCVR 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 309001:KTD7M 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 309001:KTD85 nidx=null parent=B8TXC]
Pleurotoma (Antiplanes) catalinae
 - Pleurotoma (Antiplanes) catalinae Raymond, 1904 [SYNONYM SPECIES 308619:CST8S nidx=null parent=F2F2]
 + Pleurotoma (Antiplanes) catalinae Raymond, 1904 [SYNONYM SPECIES 309001:KTD9L nidx=null parent=F2F2]
Pleurotoma (Antiplanes) santarosana
 - Pleurotoma (Antiplanes) santarosana Dall, 1902 [SYNONYM SPECIES 308619:CQV86 nidx=null parent=F2FT]
 + Pleurotoma (Antiplanes) santarosana Dall, 1902 [SYNONYM SPECIES 309001:KTD9M nidx=null parent=F2FT]
Pleurotoma (Borsonia) hooveri
 - Pleurotoma (Borsonia) hooveri Arnold, 1903 [SYNONYM SPECIES 308619:CST8W nidx=null parent=MLHQ]
 + Pleurotoma (Borsonia) hooveri Arnold, 1903 [SYNONYM SPECIES 309001:KTD9N nidx=null parent=MLHQ]
Plusia l-aureum
 - Plusia l-aureum Freyer, 1831 [SYNONYM SPECIES 308619:BRD4F nidx=null parent=92YXS]
 + Plusia l-aureum Freyer, 1831 [SYNONYM SPECIES 309001:9837Q nidx=null parent=92YXS]
Poecilimon (Poecilimon) ampliatus
 - Poecilimon (Poecilimon) ampliatus Brunner von Wattenwyl, 1878 [ACCEPTED SPECIES 308619:CMK7G nidx=null]
 + Poecilimon (Poecilimon) ampliatus Brunner von Wattenwyl, 1878 [ACCEPTED SPECIES 309001:KTF59 nidx=null]
Poecilimon (Poecilimon) bosphoricus
 - Poecilimon (Poecilimon) bosphoricus Brunner von Wattenwyl, 1878 [ACCEPTED SPECIES 308619:4KSHM nidx=null]
 + Poecilimon (Poecilimon) bosphoricus Brunner von Wattenwyl, 1878 [ACCEPTED SPECIES 309001:KTF5D nidx=null]
Poecilimon (Poecilimon) elegans
 - Poecilimon (Poecilimon) elegans Brunner von Wattenwyl, 1878 [ACCEPTED SPECIES 308619:CPC4D nidx=null]
 + Poecilimon (Poecilimon) elegans Brunner von Wattenwyl, 1878 [ACCEPTED SPECIES 309001:KTF5J nidx=null]
Poecilimon (Poecilimon) luschani
 - Poecilimon (Poecilimon) luschani Ramme, 1933 [ACCEPTED SPECIES 308619:4KSKJ nidx=null]
 + Poecilimon (Poecilimon) luschani Ramme, 1933 [ACCEPTED SPECIES 309001:KTF5P nidx=null]
Pogonatum tenue
 - Pogonatum tenue Menzies ex Rau & Herv. [SYNONYM SPECIES 308619:9SRHT nidx=null parent=9KNQK]
 + Pogonatum tenue Rau & Herv. [SYNONYM SPECIES 309001: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 309001:KTFJ4 nidx=null parent=4KWJS]
Polydesmus sallei
 - Polydesmus sallei DeSaussure, 1860 [SYNONYM SPECIES 308619:935LY nidx=null parent=994CQ]
 + Polydesmus sallei DeSaussure, 1860 [SYNONYM SPECIES 309001:4L5T6 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 309001:6VSHS nidx=null parent=YFX5]
Polymixis atossa
 - Polymixis atossa Hacker, 1990 [SYNONYM SPECIES 308619:BMW4K nidx=null parent=95CDL]
 + Polymixis atossa Hacker, 1990 [SYNONYM SPECIES 309001:95CDN nidx=null parent=95CDL]
Polymorphina (Guttulina) problema
 - Polymorphina (Guttulina) problema d'Orbigny in Egger, 1857 [SYNONYM SPECIES 308619:CVMD3 nidx=null parent=3HN4G]
 + Polymorphina (Guttulina) problema d'Orbigny in Egger, 1857 [SYNONYM SPECIES 309001:KTGNN nidx=null parent=3HN4G]
Polypedilum (Polypedilum) flavipes
 - Polypedilum (Polypedilum) flavipes Kieffer, 1920 [ACCEPTED SPECIES 308619:CVJZ4 nidx=null]
 + Polypedilum (Polypedilum) flavipes Kieffer, 1920 [ACCEPTED SPECIES 309001:KTD7N nidx=null]
Polypedilum (Polypedilum) pavidum
 - Polypedilum (Polypedilum) pavidum (Hutton, 1902) [ACCEPTED SPECIES 308619:8DGB5 nidx=null]
 + Polypedilum (Polypedilum) pavidum (Hutton, 1902) [ACCEPTED SPECIES 309001:6VTSK nidx=null]
Polypedilum (Polypedilum) pharao
 - Polypedilum (Polypedilum) pharao Kieffer, 1925 [ACCEPTED SPECIES 308619:CKNW8 nidx=null]
 + Polypedilum (Polypedilum) pharao Kieffer, 1925 [ACCEPTED SPECIES 309001:KTD7P nidx=null]
Polypodiaceae
 - Polypodiaceae J.Presl & C.Presl [SYNONYM UNRANKED 308619:BV82P nidx=null parent=B8X4C]
 + Polypodiaceae J.Presl & C.Presl [SYNONYM FAMILY 309001:KTBQD 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 309001:KTD97 nidx=null parent=B8X4C]
Polypodiidae
 - Polypodiidae Cronquist, Takht. & Zimmerm. [SYNONYM UNRANKED 308619:BV893 nidx=null parent=B8X4C]
 + Polypodiidae Cronquist, Takht. & Zimmerm. [SYNONYM SUBCLASS 309001:KTD98 nidx=null parent=B8X4C]
Polypodiinae
 - Polypodiinae Dumort. [SYNONYM UNRANKED 308619:BW5KV nidx=null parent=B8TXB]
 + Polypodiinae Dumort. [SYNONYM SUBTRIBE 309001:KTD99 nidx=null parent=B8TXB]
Polypodiineae
 - Polypodiineae Bessey [SYNONYM UNRANKED 308619:BVG6G nidx=null parent=B8X4C]
 + Polypodiineae Bessey [SYNONYM SUBORDER 309001:KTD9B nidx=null parent=B8X4C]
Polypodiophyta
 - Polypodiophyta Cronquist, Takht. & Zimmerm. [SYNONYM UNRANKED 308619:BVL8W nidx=null parent=B8TXB]
 + Polypodiophyta Cronquist, Takht. & Zimmerm. [SYNONYM PHYLUM 309001:KTD9C nidx=null parent=B8TXB]
Polypodiophytina
 - Polypodiophytina Reveal [SYNONYM UNRANKED 308619:BV847 nidx=null parent=B8TXB]
 + Polypodiophytina Reveal [SYNONYM SUBPHYLUM 309001:KTD9D nidx=null parent=B8TXB]
Polypodiopsida
 - Polypodiopsida Cronquist, Takht. & Zimmerm. [SYNONYM UNRANKED 308619:BV83L nidx=null parent=B8TXB]
 + Polypodiopsida Cronquist, Takht. & Zimmerm. [SYNONYM CLASS 309001:KTBQF nidx=null parent=B8TXB]
Polysticheae
 - Polysticheae Tod. [SYNONYM UNRANKED 308619:BW5HV nidx=null parent=B8X3F]
 + Polysticheae Tod. [SYNONYM TRIBE 309001:KTDMY 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 309001:KTDNY 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 309001: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 309001:KTDZH nidx=null parent=77VZM]
Porella caespitans
 - Porella caespitans (Steph.) S. Hatt. [ACCEPTED SPECIES 308619:4LWPR nidx=null]
 + Porella caespitans (Steph.) P. Syd. [ACCEPTED SPECIES 309001:KTFB6 nidx=null]
Porella chinensis
 - Porella chinensis (Steph.) S. Hatt. [ACCEPTED SPECIES 308619:4LWQ2 nidx=null]
 + Porella chinensis (Steph.) P. Syd. [ACCEPTED SPECIES 309001:KTFB7 nidx=null]
Porella densifolia
 - Porella densifolia (Steph.) S. Hatt. [ACCEPTED SPECIES 308619:4LWQC nidx=null]
 + Porella densifolia (Steph.) P. Syd. [ACCEPTED SPECIES 309001:KTFB9 nidx=null]
Porella nitens
 - Porella nitens (Steph.) S. Hatt. [ACCEPTED SPECIES 308619:4LWRG nidx=null]
 + Porella nitens (Steph.) P. Syd. [ACCEPTED SPECIES 309001:KTFBB nidx=null]
Portunus (Portunus) ventralis
 - Portunus (Portunus) ventralis (A. Milne-Edwards, 1879) [SYNONYM SPECIES 308619:CVLQY nidx=null parent=9CBF2]
 + Portunus (Portunus) ventralis (A. Milne-Edwards, 1879) [SYNONYM SPECIES 309001:KTFRP nidx=null parent=9CBF2]
Praealveolina cretacea var. cretacea
 - †Praealveolina cretacea var. cretacea [ACCEPTED VARIETY 308619:BQ7LM nidx=null]
 + Praealveolina cretacea var. cretacea Reichel, 1936 [ACCEPTED VARIETY 309001:KTGJM nidx=null]
Prasia vitticollis
 - Prasia vitticollis Ashton, 1912 [SYNONYM SPECIES 308619:CQXN7 nidx=null parent=3T4B3]
 + Prasia vitticollis Ashton, 1912 [SYNONYM SPECIES 309001:KTGLN nidx=null parent=3T4B3]
Prionovolva (Grovesia) ganensis
 - Prionovolva (Grovesia) ganensis Dolin & Ledon, 2002 [SYNONYM SPECIES 308619:CVMQX nidx=null parent=6KTW9]
 + Prionovolva (Grovesia) ganensis Dolin & Ledon, 2002 [SYNONYM SPECIES 309001:KTH5R nidx=null parent=6KTW9]
Prochloraceae
 - Prochloraceae (ex Lewin, 1977) Florenzano et al. 1986 [SYNONYM FAMILY 308619:CSYS2 nidx=null parent=CP3FW]
 + Prochloraceae R.A. Lewin [ACCEPTED FAMILY 309001:KTHFT nidx=null]
Prochloron
 - Prochloron (ex Lewin, 1977) Florenzano et al. 1986 [ACCEPTED GENUS 308619:CSYSF nidx=null]
 + Prochloron R.A. Lewin [ACCEPTED GENUS 309001:DQ5KL nidx=null]
Procladius (Holotanypus) incomptus
 - Procladius (Holotanypus) incomptus (Walker, 1856) [ACCEPTED SPECIES 308619:8DGSL nidx=null]
 + Procladius (Holotanypus) incomptus (Walker, 1856) [ACCEPTED SPECIES 309001:4MNP5 nidx=null]
Procris schutzei
 - Procris schutzei (Alberti, 1940) [SYNONYM SPECIES 308619:BRD9Y nidx=null parent=943WY]
 + Procris schutzei (Alberti, 1940) [SYNONYM SPECIES 309001:984D9 nidx=null parent=943WY]
Proepipona lateralis
 - Proepipona lateralis (Fabricius, 1781) [AMBIGUOUS_SYNONYM SPECIES 308619:CVKM6 nidx=null parent=5KNTK]
 + Proepipona lateralis (Fabricius, 1781) [AMBIGUOUS_SYNONYM SPECIES 309001:KTDPX nidx=null parent=5KNTK]
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 309001:KTDQS 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 309001:8GHD8 nidx=null]
Proscutum elongatum
 - †Proscutum elongatum (Deshayes, 1861) [ACCEPTED SPECIES 308619:8YNR8 nidx=null]
 + Proscutum elongatum (Lamarck, 1803) [ACCEPTED SPECIES 309001:KTF3Q nidx=null]
Protaphis centaurea
 - Protaphis centaurea [ACCEPTED SPECIES 308619:4N26H nidx=null]
 + Protaphis centaurea (Menor y Ortega, 1950) [SYNONYM SPECIES 309001:KTFKG nidx=null parent=8PJ4P]
Protaphis ignatii
 - Protaphis ignatii [ACCEPTED SPECIES 308619:4N276 nidx=null]
 + Protaphis ignatii (Gómez-Menor Ortega, 1950) [ACCEPTED SPECIES 309001:KTFKH nidx=null]
Proterorhynchus argentinus
 - Proterorhynchus argentinus Brèthes, 1912 [SYNONYM SPECIES 308619:8CNJN nidx=null parent=C2SPK]
 + Proterorhynchus argentinus Brèthes, 1912 [SYNONYM SPECIES 309001:4N3MH nidx=null parent=C2SPK]
Protomedeia (Cheirimedia) macrocarpa
 - Protomedeia (Cheirimedia) macrocarpa Bulyčeva, 1952 [SYNONYM SPECIES 308619:CVLW3 nidx=null parent=TTWH]
 + Protomedeia (Cheirimedia) macrocarpa Bulyčeva, 1952 [SYNONYM SPECIES 309001:KTFWH nidx=null parent=TTWH]
Protomedeia (Cheirimedia) zotea
 - Protomedeia (Cheirimedia) zotea J.L. Barnard, 1962 [SYNONYM SPECIES 308619:CQX5Y nidx=null parent=TTWM]
 + Protomedeia (Cheirimedia) zotea J.L. Barnard, 1962 [SYNONYM SPECIES 309001:KTFWK nidx=null parent=TTWM]
Protomyia fusca
 - †Protomyia fusca Oustalet, 1870 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YDJ nidx=null]
 + Protomyia fusca Oustalet, 1870 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JW6S nidx=null]
Pseudisolabis kosswigi
 - Pseudisolabis kosswigi Hincks, 1947 [SYNONYM SPECIES 308619:4NNQM nidx=null parent=6N9FV]
 + Pseudisolabis kosswigi Burr, 1947 [SYNONYM SPECIES 309001:KTH9G nidx=null parent=6N9FV]
Pseudochoreutis
 - Pseudochoreutis Walker, 1859 [SYNONYM GENUS 308619:9B6TK nidx=null parent=92NH3]
 + Pseudochoreutis Snellen, 1880 [SYNONYM GENUS 309001:KTHH8 nidx=null parent=92NH3]
Pseudocyclosorinae
 - Pseudocyclosorinae Ching [SYNONYM UNRANKED 308619:BW5L4 nidx=null parent=B8X4T]
 + Pseudocyclosorinae Ching [SYNONYM SUBTRIBE 309001:KTHKC 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 309001:KTHKY 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 309001:6WFWQ 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 309001:78G8L nidx=null parent=C4MJT]
Pseudohormomyia orientalis
 - Pseudohormomyia orientalis Rao, 1956 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YDW nidx=null]
 + Pseudohormomyia orientalis Rao, 1956 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JW8M nidx=null]
Pseudomonotis (Claraia) griesbachi
 - Pseudomonotis (Claraia) griesbachi Bittner, 1899 [SYNONYM SPECIES 308619:CQXHM nidx=null parent=8TXRJ]
 + Pseudomonotis (Claraia) griesbachi Bittner, 1899 [SYNONYM SPECIES 309001:KTG87 nidx=null parent=8TXRJ]
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 309001:KTGWY nidx=null parent=83W9L]
Pseudosinella martelii
 - Pseudosinella martelii Denis, 1935 [SYNONYM SPECIES 308619:CPDV5 nidx=null parent=4PB77]
 + Pseudosinella martelii Denis, 1935 [SYNONYM SPECIES 309001:KTGXR nidx=null parent=4PB77]
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 309001:KTGXT nidx=null parent=4PBBM]
 + Pseudosinella suboculata Arbea, JI, 2017 [AMBIGUOUS_SYNONYM SPECIES 309001:KTGXV nidx=null parent=8YY89]
 + Pseudosinella suboculata Bonet, 1931 [AMBIGUOUS_SYNONYM SPECIES 309001:KTGXW nidx=null parent=4PBBM]
 + Pseudosinella suboculata Bonet, F, 1931 [ACCEPTED SPECIES 309001:KTGXX nidx=null]
Pseudosphegina dichoptica
 - †Pseudosphegina dichoptica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YF8 nidx=null]
 + Pseudosphegina dichoptica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWB2 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 309001:4PG6X nidx=null]
Psilopus ducalis
 - Psilopus ducalis Rondani, 1850 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFC nidx=null]
 + Psilopus ducalis Rondani, 1850 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWG8 nidx=null]
Psilopus gemmatus
 - Psilopus gemmatus Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFD nidx=null]
 + Psilopus gemmatus Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWGB nidx=null]
Psilopus leiopus
 - Psilopus leiopus Doleschall, 1856 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFF nidx=null]
 + Psilopus leiopus Doleschall, 1856 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWGH nidx=null]
Psilopus nitidus
 - Psilopus nitidus Walker, 1852 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFG nidx=null]
 + Psilopus nitidus Walker, 1852 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWGK nidx=null]
Psilopus palmetorum
 - Psilopus palmetorum Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFH nidx=null]
 + Psilopus palmetorum Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWGM nidx=null]
Psilopus restrictus
 - Psilopus restrictus Hutton, 1901 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFK nidx=null]
 + Psilopus restrictus Hutton, 1901 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWGV nidx=null]
Psilopus saphirus
 - Psilopus saphirus Bigot, 1858 [SYNONYM SPECIES 308619:8D6F6 nidx=null parent=9H8MR]
 + Psilopus saphirus Bigot, 1858 [SYNONYM SPECIES 309001:4PJGL nidx=null parent=9H8MR]
Psilosciara delphinii
 - Psilosciara delphinii Séguy, 1961 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFL nidx=null]
 + Psilosciara delphinii Séguy, 1961 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWH5 nidx=null]
Psilota tabidosa
 - †Psilota tabidosa Scudder, 1890 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YFM nidx=null]
 + Psilota tabidosa Scudder, 1890 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWH7 nidx=null]
Psiloteae
 - Psiloteae Willk. [SYNONYM UNRANKED 308619:BV8MH nidx=null parent=B8V4H]
 + Psiloteae Willk. [SYNONYM TRIBE 309001:KTHDD nidx=null parent=B8V4H]
Psilotineae
 - Psilotineae Engl. [SYNONYM UNRANKED 308619:BW5HZ nidx=null parent=B8V4H]
 + Psilotineae Engl. [SYNONYM SUBORDER 309001:KTHDG nidx=null parent=B8V4H]
Psilotophyta
 - Psilotophyta Heintze [SYNONYM UNRANKED 308619:BW2JP nidx=null parent=B8V4H]
 + Psilotophyta Heintze [SYNONYM PHYLUM 309001:KTHDH nidx=null parent=B8V4H]
Psilotophytina
 - Psilotophytina Tippo ex Reveal [SYNONYM UNRANKED 308619:BW4NT nidx=null parent=B8V4H]
 + Psilotophytina Tippo ex Reveal [SYNONYM SUBPHYLUM 309001:KTHDJ nidx=null parent=B8V4H]
Psilotopsida
 - Psilotopsida D.H.Scott [SYNONYM UNRANKED 308619:CKRPX nidx=null parent=B8V4H]
 + Psilotopsida D.H.Scott [SYNONYM CLASS 309001:KTHDK nidx=null parent=B8V4H]
Pteridaceae
 - Pteridaceae Reichenb. [SYNONYM UNRANKED 308619:B8V4R nidx=null parent=B8V4Q]
 + Pteridaceae Reichenb. [SYNONYM FAMILY 309001:KTBQH nidx=null parent=B8V4Q]
Pterideae
 - Pterideae J.Sm. [SYNONYM UNRANKED 308619:BW4P9 nidx=null parent=BV8QP]
 + Pterideae J.Sm. [SYNONYM TRIBE 309001:KTHQF nidx=null parent=BV8QP]
Pterididae
 - Pterididae Schmakov [SYNONYM UNRANKED 308619:BW52C nidx=null parent=BV8QP]
 + Pterididae Schmakov [SYNONYM SUBCLASS 309001:KTHQG nidx=null parent=BV8QP]
Pteridinae
 - Pteridinae Payer [SYNONYM UNRANKED 308619:BW5L7 nidx=null parent=BV8QP]
 + Pteridinae Payer [SYNONYM SUBTRIBE 309001:KTHQH nidx=null parent=BV8QP]
Pterocanium
 - Pterocanium [ACCEPTED GENUS 308619:74N5 nidx=null]
 + Pterocanium Ehrenberg, 1847 [ACCEPTED GENUS 309001:KTHST 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 309001:KTJ7L 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 309001:4Q87S nidx=null]
Ptilozeuxia termitoxena
 - Ptilozeuxia termitoxena Silvestri, 1903 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YN5 nidx=null]
 + Ptilozeuxia termitoxena Silvestri, 1903 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWJF nidx=null]
Pulchrapsyra
 - Pulchrapsyra [ACCEPTED GENUS 308619:CCHZQ nidx=null]
 + Pulchrapsyra Tan, Liu & Ingrisch, 2024 [ACCEPTED GENUS 309001:KTFWC nidx=null]
Pyloniidae
 - Pyloniidae [ACCEPTED FAMILY 308619:FFX nidx=null]
 + Pyloniidae Haeckel, 1881 [ACCEPTED FAMILY 309001:KTGNV nidx=null]
Pylospira
 - Pylospira [ACCEPTED GENUS 308619:75WK nidx=null]
 + Pylospira Haeckel, 1887 [ACCEPTED GENUS 309001:KTGNY 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 309001:KTHKK nidx=null parent=83G6C]
Rhabdotylus planiventris
 - Rhabdotylus planiventris (Wiedemann, 1828) [ACCEPTED SPECIES 308619:92WRF nidx=null]
 + Rhabdotylus planiventris (Wiedemann, 1828) [ACCEPTED SPECIES 309001:8DKZ3 nidx=null]
Rhaetofungivora perrecticulata
 - †Rhaetofungivora perrecticulata Rohdendorf, 1964 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YQR nidx=null]
 + Rhaetofungivora perrecticulata Rohdendorf, 1964 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWM2 nidx=null]
Rhagio bicolor
 - Rhagio bicolor Fabricius, 1794 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YQS nidx=null]
 + Rhagio bicolor Fabricius, 1794 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWM5 nidx=null]
Rhamphomyia (Holoclera) flava
 - Rhamphomyia (Holoclera) flava (Fallén, 1816) [ACCEPTED SPECIES 308619:8DLBY nidx=null]
 + Rhamphomyia (Holoclera) flava (Fallén, 1816) [ACCEPTED SPECIES 309001:4S2XW nidx=null]
Rhamphomyia (Pararhamphomyia) bifasciata
 - Rhamphomyia (Pararhamphomyia) bifasciata (Rossi, 1794) [ACCEPTED SPECIES 308619:8DLJN nidx=null]
 + Rhamphomyia (Pararhamphomyia) bifasciata (Rossi, 1794) [ACCEPTED SPECIES 309001:4S2T4 nidx=null]
Rhamphomyia (Rhamphomyia) janovensis
 - Rhamphomyia (Rhamphomyia) janovensis Barták, 1981 [ACCEPTED SPECIES 308619:8DLSC nidx=null]
 + Rhamphomyia (Rhamphomyia) janovensis Barták, 1981 [ACCEPTED SPECIES 309001:4S32T nidx=null]
Rhinocricus arboreus krugii
 - Rhinocricus arboreus krugii (Karsch, 1881) [SYNONYM SUBSPECIES 308619:CVN3C nidx=null parent=BMZFS]
 + Rhinocricus arboreus krugii (Karsch, 1881) [SYNONYM SUBSPECIES 309001:KTHGK nidx=null parent=BMZFS]
Rhodobryum minutirosatum
 - Rhodobryum minutirosatum (Müll. Hal.) Paris [SYNONYM SPECIES 308619:9SW2K nidx=null parent=9JXG2]
 + Rhodobryum minutirosatum (Müll. Hal.) Müll. Hal. [SYNONYM SPECIES 309001:KTHTQ 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 309001:KTHTR 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 309001:KTHTS nidx=null parent=9SWK2]
Rhopalosiphoninus (Rhopalosiphoninus) latysiphon
 - Rhopalosiphoninus (Rhopalosiphoninus) latysiphon (Davidson, 1912) [ACCEPTED SPECIES 308619:CT2GW nidx=null]
 + Rhopalosiphoninus (Rhopalosiphoninus) latysiphon (Davidson, 1912) [ACCEPTED SPECIES 309001:KTJ6C nidx=null]
Rhopalosiphoninus chicotei
 - Rhopalosiphoninus chicotei [SYNONYM SPECIES 308619:8R2HG nidx=null parent=3BR32]
 + Rhopalosiphoninus chicotei Gómez-Menor Ortega, 1950 [SYNONYM SPECIES 309001:KTJ6D nidx=null parent=3BR32]
Rhopalura
 - Rhopalura [ACCEPTED GENUS 308619:642FC nidx=null]
 + Rhopalura Giard, 1877 [ACCEPTED GENUS 309001:KTJ75 nidx=null]
Rhynchomyia bicolor
 - Rhynchomyia bicolor Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YVH nidx=null]
 + Rhynchomyia bicolor Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWSP nidx=null]
Rhynchostegium
 - Rhynchostegium Schimp. [ACCEPTED GENUS 308619:CJFQ8 nidx=null]
 + Rhynchostegium Schimp. [ACCEPTED GENUS 309001:9JN6Q nidx=null]
Rhynchostegium laxatum
 - Rhynchostegium laxatum (Mitt.) Paris [ACCEPTED SPECIES 308619:4STQ2 nidx=null]
 + Rhynchostegium laxatum (Mitt.) Mitt. [ACCEPTED SPECIES 309001:KTJJR nidx=null]
Rubria vitticollis
 - Rubria vitticollis (Stål, 1855) [SYNONYM SPECIES 308619:BPPDB nidx=null parent=65HVX]
 + Rubria vitticollis (Stål, 1855) [SYNONYM SPECIES 309001:BKPQQ nidx=null parent=65HVX]
Sabacon viscayanus
 - Sabacon viscayanus Simon, 1881 [ACCEPTED SPECIES 308619:7YVCY nidx=null]
 + Sabacon viscayanus Simon, 1881 [ACCEPTED SPECIES 309001:KTR28 nidx=null]
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 309001:KTPLQ nidx=null parent=CTBFM]
Sagartia (Actinia) nivea
 - Sagartia (Actinia) nivea (Gosse) [SYNONYM SPECIES 308619:CVNC4 nidx=null parent=84G8L]
 + Sagartia (Actinia) nivea (Gosse) [SYNONYM SPECIES 309001:KTHTZ nidx=null parent=84G8L]
Sagartia viduata
 - Sagartia viduata (Müller, 1778) [ACCEPTED SPECIES 308619:84G7T nidx=null]
 + Sagartia viduata (Müller, 1776) [SYNONYM SPECIES 309001:4TXY6 nidx=null parent=7YW6M]
Salvinieae
 - Salvinieae Brongn. ex Duby [SYNONYM UNRANKED 308619:BW5L9 nidx=null parent=BV8H4]
 + Salvinieae Brongn. ex Duby [SYNONYM TRIBE 309001:KTJHV 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 309001:KTJHW nidx=null parent=B8V7S]
Salvinineae
 - Salvinineae Wettst. [SYNONYM UNRANKED 308619:BW5JC nidx=null parent=B8V7S]
 + Salvinineae Wettst. [SYNONYM SUBORDER 309001:KTJHX nidx=null parent=B8V7S]
Salvinioideae
 - Salvinioideae Mirb. ex Meisn. [SYNONYM UNRANKED 308619:BW5HY nidx=null parent=BV8H4]
 + Salvinioideae Mirb. ex Meisn. [SYNONYM SUBFAMILY 309001:KTJHY nidx=null parent=BV8H4]
Sappaphis mali
 - Sappaphis mali [SYNONYM SPECIES 308619:8PJRX nidx=null parent=4B9R4]
 + Sappaphis mali [SYNONYM SPECIES 309001:KTJNM nidx=null parent=4B9R4]
Sapromyza fuscipes
 - Sapromyza fuscipes Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3YW8 nidx=null]
 + Sapromyza fuscipes Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JWVH nidx=null]
Sarcophaga mezzadrii
 - Sarcophaga mezzadrii Séguy, 1951 [SYNONYM SPECIES 308619:8DRDD nidx=null parent=8DQCD]
 + Sarcophaga mezzadrii Séguy, 1951 [SYNONYM SPECIES 309001:79NF3 nidx=null parent=8DQCD]
Scaphytopius (Cloanthanus) acutus cirrus
 - Scaphytopius (Cloanthanus) acutus cirrus Musgrave, 1975 [SYNONYM SUBSPECIES 308619:CVPM4 nidx=null parent=9LK97]
 + Scaphytopius (Cloanthanus) acutus cirrus Musgrave, 1975 [SYNONYM SUBSPECIES 309001:8RFTY nidx=null parent=9LK97]
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 309001:KTKB6 nidx=null parent=9LK99]
Scaphytopius (Cloanthanus) aequus
 - Scaphytopius (Cloanthanus) aequus (DeLong, 1943) [SYNONYM SPECIES 308619:8RDVZ nidx=null parent=9KSJ7]
 + Scaphytopius (Cloanthanus) aequus (DeLong, 1943) [SYNONYM SPECIES 309001:KTKB7 nidx=null parent=9KSJ7]
Scaphytopius (Cloanthanus) albocephalus
 - Scaphytopius (Cloanthanus) albocephalus (DeLong, 1943) [SYNONYM SPECIES 308619:CR37R nidx=null parent=9KSJF]
 + Scaphytopius (Cloanthanus) albocephalus (DeLong, 1943) [SYNONYM SPECIES 309001:8RDW3 nidx=null parent=9KSJF]
Scaphytopius (Cloanthanus) angustatus
 - Scaphytopius (Cloanthanus) angustatus (Osborn, 1905) [SYNONYM SPECIES 308619:CMSJF nidx=null parent=9KSJS]
 + Scaphytopius (Cloanthanus) angustatus (Osborn, 1905) [SYNONYM SPECIES 309001:8RDW9 nidx=null parent=9KSJS]
Scaphytopius (Cloanthanus) apertus
 - Scaphytopius (Cloanthanus) apertus (DeLong, 1943) [SYNONYM SPECIES 308619:8RDWC nidx=null parent=9KSJX]
 + Scaphytopius (Cloanthanus) apertus (DeLong, 1943) [SYNONYM SPECIES 309001:KTKBD nidx=null parent=9KSJX]
Scaphytopius (Cloanthanus) argutus
 - Scaphytopius (Cloanthanus) argutus (DeLong, 1945) [SYNONYM SPECIES 308619:CPJ5K nidx=null parent=9KSK2]
 + Scaphytopius (Cloanthanus) argutus (DeLong, 1945) [SYNONYM SPECIES 309001:8RDWF nidx=null parent=9KSK2]
Scaphytopius (Cloanthanus) barroensis
 - Scaphytopius (Cloanthanus) barroensis Linnavuori & DeLong, 1978 [SYNONYM SPECIES 308619:8RDWH nidx=null parent=9KSK5]
 + Scaphytopius (Cloanthanus) barroensis Linnavuori & DeLong, 1978 [SYNONYM SPECIES 309001:KTKBF nidx=null parent=9KSK5]
Scaphytopius (Cloanthanus) campester
 - Scaphytopius (Cloanthanus) campester (DeLong, 1943) [SYNONYM SPECIES 308619:CGD6S nidx=null parent=9KSKJ]
 + Scaphytopius (Cloanthanus) campester (DeLong, 1943) [SYNONYM SPECIES 309001:8RDWP nidx=null parent=9KSKJ]
Scaphytopius (Cloanthanus) chiquitanus
 - Scaphytopius (Cloanthanus) chiquitanus Linnavuori & DeLong, 1978 [SYNONYM SPECIES 308619:CR37Z nidx=null parent=9KSKQ]
 + Scaphytopius (Cloanthanus) chiquitanus Linnavuori & DeLong, 1978 [SYNONYM SPECIES 309001:8RDWS nidx=null parent=9KSKQ]
Scaphytopius (Cloanthanus) cinnamoneus
 - Scaphytopius (Cloanthanus) cinnamoneus (Osborn, 1915) [SYNONYM SPECIES 308619:8RNDV nidx=null parent=9MHX5]
 + Scaphytopius (Cloanthanus) cinnamoneus (Osborn, 1915) [SYNONYM SPECIES 309001:KTKBK nidx=null parent=9MHX5]
Scaphytopius (Cloanthanus) cumbresus
 - Scaphytopius (Cloanthanus) cumbresus Linnavuori & DeLong, 1978 [SYNONYM SPECIES 308619:8RDWY nidx=null parent=9KSKZ]
 + Scaphytopius (Cloanthanus) cumbresus Linnavuori & DeLong, 1978 [SYNONYM SPECIES 309001:KTKBM nidx=null parent=9KSKZ]
Scaphytopius (Cloanthanus) delongi
 - Scaphytopius (Cloanthanus) delongi Young, 1952 [SYNONYM SPECIES 308619:CR384 nidx=null parent=9LK98]
 + Scaphytopius (Cloanthanus) delongi Young, 1952 [SYNONYM SPECIES 309001:8RSBM nidx=null parent=9LK98]
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 309001:KTKBP nidx=null parent=9KSL8]
Scaphytopius (Cloanthanus) furcifer
 - Scaphytopius (Cloanthanus) furcifer Linnavuori, 1959 [SYNONYM SPECIES 308619:8RDXG nidx=null parent=9KSLZ]
 + Scaphytopius (Cloanthanus) furcifer Linnavuori, 1959 [SYNONYM SPECIES 309001:KTKBS nidx=null parent=9KSLZ]
Scaphytopius (Cloanthanus) latens
 - Scaphytopius (Cloanthanus) latens (DeLong, 1943) [SYNONYM SPECIES 308619:CT3NV nidx=null parent=9KSMS]
 + Scaphytopius (Cloanthanus) latens (DeLong, 1943) [SYNONYM SPECIES 309001:8RDXZ nidx=null parent=9KSMS]
Scaphytopius (Cloanthanus) lineacephalus
 - Scaphytopius (Cloanthanus) lineacephalus Caldwell, 1952 [SYNONYM SPECIES 308619:8RDY5 nidx=null parent=9KSMY]
 + Scaphytopius (Cloanthanus) lineacephalus Caldwell, 1952 [SYNONYM SPECIES 309001:KTKC2 nidx=null parent=9KSMY]
Scaphytopius (Cloanthanus) linnavuorii
 - Scaphytopius (Cloanthanus) linnavuorii McKamey & Hicks, 2007 [SYNONYM SPECIES 308619:CT3NW nidx=null parent=9KSN3]
 + Scaphytopius (Cloanthanus) linnavuorii McKamey & Hicks, 2007 [SYNONYM SPECIES 309001:8RSDS nidx=null parent=9KSN3]
Scaphytopius (Cloanthanus) triangularis
 - Scaphytopius (Cloanthanus) triangularis (DeLong, 1945) [SYNONYM SPECIES 308619:CKV2H nidx=null parent=9KSQ6]
 + Scaphytopius (Cloanthanus) triangularis (DeLong, 1945) [SYNONYM SPECIES 309001:8RDZH nidx=null parent=9KSQ6]
Scaphytopius (Cloanthanus) viridicephalus
 - Scaphytopius (Cloanthanus) viridicephalus Hepner, 1946 [SYNONYM SPECIES 308619:CT3PB nidx=null parent=9KSQJ]
 + Scaphytopius (Cloanthanus) viridicephalus Hepner, 1946 [SYNONYM SPECIES 309001:8RDZR nidx=null parent=9KSQJ]
Scaphytopius (Convelinus) anadamus
 - Scaphytopius (Convelinus) anadamus (DeLong, 1943) [SYNONYM SPECIES 308619:CVPM7 nidx=null parent=9KSJN]
 + Scaphytopius (Convelinus) anadamus (DeLong, 1943) [SYNONYM SPECIES 309001:KTKBB nidx=null parent=9KSJN]
Scaphytopius (Convelinus) contractus
 - Scaphytopius (Convelinus) contractus Hepner, 1946 [SYNONYM SPECIES 308619:CVPMH nidx=null parent=9KSKW]
 + Scaphytopius (Convelinus) contractus Hepner, 1946 [SYNONYM SPECIES 309001:KTKBL nidx=null parent=9KSKW]
Scaphytopius (Convelinus) fuliginosus
 - Scaphytopius (Convelinus) fuliginosus (Osborn, 1923) [SYNONYM SPECIES 308619:8RF29 nidx=null parent=9KSLW]
 + Scaphytopius (Convelinus) fuliginosus (Osborn, 1923) [SYNONYM SPECIES 309001:KTKCC nidx=null parent=9KSLW]
Scaphytopius (Convelinus) saginatus
 - Scaphytopius (Convelinus) saginatus Linnavuori, 1959 [SYNONYM SPECIES 308619:CMSKJ nidx=null parent=9KSPN]
 + Scaphytopius (Convelinus) saginatus Linnavuori, 1959 [SYNONYM SPECIES 309001:8RF2P nidx=null parent=9KSPN]
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 309001:KTKC4 nidx=null parent=9KSNK]
Scaphytopius (Scaphytopius) ritanus
 - Scaphytopius (Scaphytopius) ritanus Ball, 1931 [SYNONYM SPECIES 308619:CT3PF nidx=null parent=9RK2J]
 + Scaphytopius (Scaphytopius) ritanus Ball, 1931 [SYNONYM SPECIES 309001:8RNFQ nidx=null parent=9RK2J]
Scarabaeus aeneus
 - Scarabaeus aeneus Fabricius, 1781 [AMBIGUOUS_SYNONYM SPECIES 308619:6Y84C nidx=null parent=7XP8F]
 + Scarabaeus aeneus Fabricius, 1781 [SYNONYM SPECIES 309001:7YY3H 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 309001:7WSK5 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 309001:KTKFR nidx=null parent=8NYXM]
Schisma capillare
 - Schisma capillare (Steph.) Steph. [SYNONYM SPECIES 308619:9SWR7 nidx=null parent=3KXRG]
 + Schisma capillare (Steph.) Paris [SYNONYM SPECIES 309001:KTKK4 nidx=null parent=3KXRG]
Schistochila reinwardtii
 - Schistochila reinwardtii (Nees) Schiffn. [ACCEPTED SPECIES 308619:4V984 nidx=null]
 + Schistochila reinwardtii (Nees) Besch. [ACCEPTED SPECIES 309001:KTKKD nidx=null]
Schizaeeae
 - Schizaeeae Kaulf. [SYNONYM UNRANKED 308619:BW4WX nidx=null parent=B8WYS]
 + Schizaeeae Kaulf. [SYNONYM TRIBE 309001:KTJKZ nidx=null parent=B8WYS]
Schizaeineae
 - Schizaeineae Bessey [SYNONYM UNRANKED 308619:BW5M3 nidx=null parent=B8WYS]
 + Schizaeineae Bessey [SYNONYM SUBORDER 309001:KTJL2 nidx=null parent=B8WYS]
Schizaeoideae
 - Schizaeoideae Lindl. [SYNONYM UNRANKED 308619:BVXLH nidx=null parent=B8WYS]
 + Schizaeoideae Lindl. [SYNONYM SUBFAMILY 309001:KTJL3 nidx=null parent=B8WYS]
Schizaeopsida
 - Schizaeopsida Doweld [SYNONYM UNRANKED 308619:BW5L8 nidx=null parent=B8V7T]
 + Schizaeopsida Doweld [SYNONYM CLASS 309001:KTJL4 nidx=null parent=B8V7T]
Scopolia lateralis
 - Scopolia lateralis Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3Z6M nidx=null]
 + Scopolia lateralis Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JX98 nidx=null]
Selaginella antioquensis
 - Selaginella antioquensis [ACCEPTED SPECIES 308619:CVXYT nidx=null]
 + Selaginella antioquensis Valdespino, Vega-B. & C.López [ACCEPTED SPECIES 309001:KTSG5 nidx=null]
Selaginella robusta
 - Selaginella robusta Mc Nab [SYNONYM SPECIES 308619:BCKJQ nidx=null parent=BBC9Z]
 + Selaginella robusta McNab [SYNONYM SPECIES 309001: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 309001:CW6P2 nidx=null parent=B8YJ3]
Selaginelleae
 - Selaginelleae Willk. [SYNONYM UNRANKED 308619:BW52L nidx=null parent=B8V7W]
 + Selaginelleae Willk. [SYNONYM TRIBE 309001:KTKXN nidx=null parent=B8V7W]
Selaginellidae
 - Selaginellidae Knobl. [SYNONYM UNRANKED 308619:BVB4V nidx=null parent=B8V7W]
 + Selaginellidae Knobl. [SYNONYM SUBCLASS 309001:KTKXP nidx=null parent=B8V7W]
Selaginelloideae
 - Selaginelloideae Milde [SYNONYM UNRANKED 308619:CMT3W nidx=null parent=B8VC6]
 + Selaginelloideae Milde [SYNONYM SUBFAMILY 309001:KTKXQ nidx=null parent=B8VC6]
Selaginellophytina
 - Selaginellophytina Doweld [SYNONYM UNRANKED 308619:BW4NV nidx=null parent=B8V7W]
 + Selaginellophytina Doweld [SYNONYM SUBPHYLUM 309001:KTKXR nidx=null parent=B8V7W]
Selaginellopsida
 - Selaginellopsida A.B.Frank [SYNONYM UNRANKED 308619:BW4NW nidx=null parent=B8V7W]
 + Selaginellopsida A.B.Frank [SYNONYM CLASS 309001:KTKXS nidx=null parent=B8V7W]
Selagines
 - Selagines Batsch [SYNONYM UNRANKED 308619:BDC87 nidx=null parent=B8V7W]
 + Selagines Batsch [SYNONYM ORDER 309001:KTKXT nidx=null parent=B8V7W]
Semicytherura indonesiaensis
 - Semicytherura indonesiaensis Whatley & Zhao (Yi-Chun), 1988 [ACCEPTED SPECIES 308619:4WGC8 nidx=null]
 + Semicytherura indonesiaensis Whatley & Zhao, 1988 [ACCEPTED SPECIES 309001:KTL3J nidx=null]
Serradium sbordonii
 - Serradium sbordonii Strasser, 1976 [ACCEPTED SPECIES 308619:6YL4F nidx=null]
 + Serradium sbordonii Strasser, 1976 [ACCEPTED SPECIES 309001:4WWSV nidx=null]
Sesarma sediliensis
 - Sesarma sediliensis Tweedie, 1940 [SYNONYM SPECIES 308619:84GBB nidx=null parent=84GQH]
 + Sesarma sediliensis Tweedie, 1940 [SYNONYM SPECIES 309001:4WZ27 nidx=null parent=84GQH]
Sethophormis
 - Sethophormis [ACCEPTED GENUS 308619:7G3W nidx=null]
 + Sethophormis Haeckel, 1881 [ACCEPTED GENUS 309001:KTK2Z nidx=null]
Setulia algira
 - Setulia algira Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3Z7J nidx=null]
 + Setulia algira Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JX9S nidx=null]
Simia pennantiana
 - Simia pennantiana Gray, 1847 [SYNONYM SPECIES 308619:9H4FR nidx=null parent=5C4J6]
 + Simia pennantiana Leach, 1847 [SYNONYM SPECIES 309001:KTKH9 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 309001:4XH2R nidx=null]
Simulium (Simulium) schoenbaueri
 - Simulium (Simulium) schoenbaueri Enderlein, 1921 [ACCEPTED SPECIES 308619:CPJGD nidx=null]
 + Simulium (Simulium) schoenbaueri Enderlein, 1921 [ACCEPTED SPECIES 309001:KTKK6 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 309001:4XHTB 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 309001:KTKTW 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 309001:5RJBM nidx=null]
Siphonella antorides
 - Siphonella antorides Séguy, 1950 [SYNONYM SPECIES 308619:8F2X5 nidx=null parent=C2VL9]
 + Siphonella antorides Séguy, 1950 [SYNONYM SPECIES 309001:4XPJB nidx=null parent=C2VL9]
Sminthurus repandus
 - Sminthurus repandus Ågren, 1903 [AMBIGUOUS_SYNONYM SPECIES 308619:CR3Z7 nidx=null parent=355HW]
 + Sminthurus repandus Ågren, 1903 [AMBIGUOUS_SYNONYM SPECIES 309001:KTL9Q nidx=null parent=355HW]
 + Sminthurus repandus Ågren, 1902 [AMBIGUOUS_SYNONYM SPECIES 309001:KTL9R 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 309001:KTJWC nidx=null]
Solecurtus basteroti
 - †Solecurtus basteroti des Moulins, 1832 [ACCEPTED SPECIES 308619:C62K4 nidx=null]
 + Solecurtus basteroti Desmoulins, 1832 [ACCEPTED SPECIES 309001:KTJYZ nidx=null]
Solen basteroti
 - Solen basteroti (des Moulins, 1832) [SYNONYM SPECIES 308619:C62K5 nidx=null parent=C62K4]
 + Solen basteroti (Desmoulins, 1832) [SYNONYM SPECIES 309001:KTJZ8 nidx=null parent=KTJYZ]
Sophira (Kambangania) disjuncta
 - Sophira (Kambangania) disjuncta Hardy, 1980 [ACCEPTED SPECIES 308619:CGFDW nidx=null]
 + Sophira (Kambangania) disjuncta Hardy, 1980 [ACCEPTED SPECIES 309001:KTK4Q nidx=null]
Sphaerophoria (Sphaerophoria) nigricoxa
 - Sphaerophoria (Sphaerophoria) nigricoxa Zetterstedt, 1843 [ACCEPTED SPECIES 308619:CKV9K nidx=null]
 + Sphaerophoria (Sphaerophoria) nigricoxa Zetterstedt, 1843 [ACCEPTED SPECIES 309001:KTKTB nidx=null]
Sphaerophoria turkmenica
 - Sphaerophoria turkmenica Bańkowska, 1964 [SYNONYM SPECIES 308619:8F3VN nidx=null parent=8F3RR]
 + Sphaerophoria turkmenica Bańkowska, 1964 [SYNONYM SPECIES 309001:4YRCC 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 309001:KTKW4 nidx=null parent=4YT7M]
Sphagnum plumulosum var. gracile
 - Sphagnum plumulosum var. gracile Röll ex Bott. [AMBIGUOUS_SYNONYM VARIETY 308619:CMT3J nidx=null parent=4YTDP]
 + Sphagnum plumulosum var. gracile Röll ex Bott. [AMBIGUOUS_SYNONYM VARIETY 309001:KTKWW nidx=null parent=4YTDP]
 + Sphagnum plumulosum var. gracile (Röll) Röll [AMBIGUOUS_SYNONYM VARIETY 309001:KTKWX nidx=null parent=4YTDP]
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 309001:KTKXL nidx=null parent=9ML7X]
Sphyrotarsus hervibazini
 - Sphyrotarsus hervibazini (Parent, 1914) [SYNONYM SPECIES 308619:92X3Z nidx=null parent=9HRYG]
 + Sphyrotarsus hervibazini (Parent, 1914) [SYNONYM SPECIES 309001:8F4C5 nidx=null parent=9HRYG]
Spirema
 - Spirema [ACCEPTED GENUS 308619:646F5 nidx=null]
 + Spirema Haeckel, 1881 [ACCEPTED GENUS 309001:KTLDH nidx=null]
Spirobolus arboreus var. krugii
 - Spirobolus arboreus var. krugii Karsch, 1881 [SYNONYM VARIETY 308619:CVQQJ nidx=null parent=BMZFS]
 + Spirobolus arboreus var. krugii Karsch, 1881 [SYNONYM VARIETY 309001:KTLF4 nidx=null parent=BMZFS]
Spongaster
 - Spongaster [ACCEPTED GENUS 308619:7LHQ nidx=null]
 + Spongaster Ehrenberg, 1860 [ACCEPTED GENUS 309001:KTKS7 nidx=null]
Spongodiscidae
 - Spongodiscidae [ACCEPTED FAMILY 308619:GKW nidx=null]
 + Spongodiscidae Haeckel, 1862 [ACCEPTED FAMILY 309001:KTKSS nidx=null]
Spongodiscus
 - Spongodiscus [ACCEPTED GENUS 308619:6467P nidx=null]
 + Spongodiscus Ehrenberg, 1854 [ACCEPTED GENUS 309001:KTKST nidx=null]
Spongopyle
 - Spongopyle [ACCEPTED GENUS 308619:7LK3 nidx=null]
 + Spongopyle Dreyer, 1889 [ACCEPTED GENUS 309001:KTKSX nidx=null]
Spongotrochus
 - Spongotrochus [ACCEPTED GENUS 308619:7LK9 nidx=null]
 + Spongotrochus Haeckel, 1860 [ACCEPTED GENUS 309001:KTKSZ nidx=null]
Spongurus
 - Spongurus [ACCEPTED GENUS 308619:7LKB nidx=null]
 + Spongurus Haeckel, 1860 [ACCEPTED GENUS 309001:KTKT4 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 309001:CW5RL nidx=null parent=9MZCK]
Stenhelia (Delavalia) coineauae
 - Stenhelia (Delavalia) coineauae Soyer, 1972 [SYNONYM SPECIES 308619:CVQTG nidx=null parent=34FN3]
 + Stenhelia (Delavalia) coineauae Soyer, 1972 [SYNONYM SPECIES 309001:KTLJJ nidx=null parent=34FN3]
Stenhelia normani
 - Stenhelia normani Scott T., 1905 [PROVISIONALLY_ACCEPTED SPECIES 308619:BHK5P nidx=null]
 + Stenhelia normani Scott T., 1905 [PROVISIONALLY_ACCEPTED SPECIES 309001:KTLJM nidx=null]
Stenocaris intermedia
 - Stenocaris intermedia Itô, 1972 [ACCEPTED SPECIES 308619:BZV8K nidx=null]
 + Stenocaris intermedia Itô Tat, 1972 [ACCEPTED SPECIES 309001:4ZWBF nidx=null]
Stenochlaenaceae
 - Stenochlaenaceae Ching [SYNONYM UNRANKED 308619:B8WZ8 nidx=null parent=B8X4N]
 + Stenochlaenaceae Ching [SYNONYM FAMILY 309001:D2NZZ nidx=null parent=B8X4N]
Stenochlaeneae
 - Stenochlaeneae Small [SYNONYM UNRANKED 308619:BW5K3 nidx=null parent=B8X4N]
 + Stenochlaeneae Small [SYNONYM TRIBE 309001:KTLQN nidx=null parent=B8X4N]
Stenonia maculatus
 - Stenonia maculatus Bollman, 1888 [SYNONYM SPECIES 308619:CR4QG nidx=null parent=372X7]
 + Stenonia maculatus Bollman, 1888 [SYNONYM SPECIES 309001:KTLZ8 nidx=null parent=372X7]
Sterechinus neumayeri var. nigroalba
 - Sterechinus neumayeri var. nigroalba Mortensen, 1942 [SYNONYM VARIETY 308619:CVRR9 nidx=null parent=5F5YR]
 + Sterechinus neumayeri var. nigroalba Mortensen, 1942 [SYNONYM VARIETY 309001:KTMDK nidx=null parent=5F5YR]
Stichopilium
 - Stichopilium [ACCEPTED GENUS 308619:7NG6 nidx=null]
 + Stichopilium Haeckel, 1881 [ACCEPTED GENUS 309001:KTMN9 nidx=null]
Stigmatophora (Stigmatophora) albosericea
 - Stigmatophora (Stigmatophora) albosericea Moore, 1877 [SYNONYM SPECIES 308619:BRDTN nidx=null parent=BFXBK]
 + Stigmatophora (Stigmatophora) albosericea Moore, 1877 [SYNONYM SPECIES 309001:98G2T 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 309001:98G2X 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 309001:98G2Y nidx=null parent=BFXBC]
Stoecharthrum
 - Stoecharthrum [ACCEPTED GENUS 308619:7NTM nidx=null]
 + Stoecharthrum Caullery & Mesnil, 1899 [ACCEPTED GENUS 309001:KTL4N nidx=null]
Strobilus (Strobilus)
 - Strobilus (Strobilus) Anton, 1838 [SYNONYM SUBGENUS 308619:CRSS7 nidx=null parent=7PHMF]
 + Strobilus (Strobilus) Anton, 1838 [SYNONYM SUBGENUS 309001:KSPBP nidx=null parent=7PHMF]
Stylatractus
 - Stylatractus [ACCEPTED GENUS 308619:7PPX nidx=null]
 + Stylatractus Haeckel, 1887 [ACCEPTED GENUS 309001:KTM6W nidx=null]
Stylochlamydium
 - Stylochlamydium [ACCEPTED GENUS 308619:7PQY nidx=null]
 + Stylochlamydium Haeckel, 1887 [ACCEPTED GENUS 309001:KTM6Z nidx=null]
Stylodictya
 - Stylodictya [ACCEPTED GENUS 308619:7PRP nidx=null]
 + Stylodictya Ehrenberg, 1847 [ACCEPTED GENUS 309001:KTM79 nidx=null]
Styptosphaera
 - Styptosphaera [ACCEPTED GENUS 308619:7PVC nidx=null]
 + Styptosphaera Haeckel, 1887 [ACCEPTED GENUS 309001:KTMCK 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 309001:98GBT nidx=null parent=946X6]
Syrphus flavocinctus
 - Syrphus flavocinctus Fallén, 1810 [SYNONYM SPECIES 308619:8F7ZK nidx=null parent=C2TMK]
 + Syrphus flavocinctus Fallén, 1810 [SYNONYM SPECIES 309001:543JR nidx=null parent=C2TMK]
Tabanus (Tabanus) megalops
 - Tabanus (Tabanus) megalops Walker, 1854 [ACCEPTED SPECIES 308619:CVQPD nidx=null]
 + Tabanus (Tabanus) megalops Walker, 1854 [ACCEPTED SPECIES 309001:KTLD3 nidx=null]
Tabanus (Tabanus) schuurmansi
 - Tabanus (Tabanus) schuurmansi Schuurmans Stekhoven, 1932 [ACCEPTED SPECIES 308619:CHJ2R nidx=null]
 + Tabanus (Tabanus) schuurmansi Schuurmans Stekhoven, 1932 [ACCEPTED SPECIES 309001:KTLD6 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 309001:547C7 nidx=null parent=C2RRL]
Tabanus bellardii
 - Tabanus bellardii Szilády, 1926 [SYNONYM SPECIES 308619:8F9H4 nidx=null parent=8F8YG]
 + Tabanus bellardii Szilády, 1926 [SYNONYM SPECIES 309001:547J7 nidx=null parent=8F8YG]
Tabanus fenestralis
 - Tabanus fenestralis Szilády, 1926 [SYNONYM SPECIES 308619:8F9NW nidx=null parent=8F8QH]
 + Tabanus fenestralis Szilády, 1926 [SYNONYM SPECIES 309001:547WQ 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 309001:7WYTQ nidx=null parent=7BDXW]
Tachydromyia sericea
 - Tachydromyia sericea Macquart, 1823 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZLH nidx=null]
 + Tachydromyia sericea Macquart, 1823 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JXY3 nidx=null]
Taenitideae
 - Taenitideae C.Presl [SYNONYM UNRANKED 308619:BDJHD nidx=null parent=BV8QP]
 + Taenitideae C.Presl [SYNONYM TRIBE 309001:KTLVR nidx=null parent=BV8QP]
Taenitidinae
 - Taenitidinae Payer [SYNONYM UNRANKED 308619:BW5K4 nidx=null parent=BV8QP]
 + Taenitidinae Payer [SYNONYM SUBTRIBE 309001:KTLVS 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 309001:KTLVT nidx=null parent=BV8QP]
 + Taenitidoideae Link [SYNONYM SUBFAMILY 309001:KTLVV nidx=null parent=BV8QP]
Tanyderites admirandus
 - †Tanyderites admirandus Kalugina, 1985 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZMD nidx=null]
 + Tanyderites admirandus Kalugina, 1985 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JXZ6 nidx=null]
Tanytarsus longipes
 - Tanytarsus longipes Akhrorov, 1967 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZMV nidx=null]
 + Tanytarsus longipes Akhrorov, 1967 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JY44 nidx=null]
Tayloria orthodonta
 - Tayloria orthodonta (P. Beauv.) Demaret [ACCEPTED SPECIES 308619:9KX7D nidx=null]
 + Tayloria orthodonta (P. Beauv.) Spruce [ACCEPTED SPECIES 309001:KTMP4 nidx=null]
Tellina (Peronidia) bodegensis
 - Tellina (Peronidia) bodegensis Hinds, 1845 [SYNONYM SPECIES 308619:CVSC8 nidx=null parent=3YWFY]
 + Tellina (Peronidia) bodegensis Hinds, 1845 [SYNONYM SPECIES 309001:KTN5L nidx=null parent=3YWFY]
Tendipes allothrix
 - Tendipes allothrix Kieffer, 1912 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZN8 nidx=null]
 + Tendipes allothrix Kieffer, 1912 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JY5G nidx=null]
Tendipes armatifrons
 - Tendipes armatifrons Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZN9 nidx=null]
 + Tendipes armatifrons Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JY5L nidx=null]
Tendipes atrifurea
 - Tendipes atrifurea Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZNB nidx=null]
 + Tendipes atrifurea Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JY5Q nidx=null]
Tendipes brunetttii
 - Tendipes brunetttii Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZNC nidx=null]
 + Tendipes brunetttii Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JY5V nidx=null]
Tendipes inermifrons
 - Tendipes inermifrons Kieffer, 1916 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZNH nidx=null]
 + Tendipes inermifrons Kieffer, 1916 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JY7D nidx=null]
Tendipes sessilis
 - Tendipes sessilis Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZNJ nidx=null]
 + Tendipes sessilis Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JY7Z nidx=null]
Tephritis macula
 - Tephritis macula Fabricius, 1805 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZNM nidx=null]
 + Tephritis macula Fabricius, 1805 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JY8S nidx=null]
Tetrapyle
 - Tetrapyle [ACCEPTED GENUS 308619:6475T nidx=null]
 + Tetrapyle Muller, 1858 [ACCEPTED GENUS 309001:KTLQX 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 309001:KTLY8 nidx=null parent=55V6C]
Tettigonia chevrolatii
 - Tettigonia chevrolatii Signoret, 1855 [SYNONYM SPECIES 308619:CVRBG nidx=null parent=42LHJ]
 + Tettigonia chevrolatii Signoret, 1855 [SYNONYM SPECIES 309001:KTLZ3 nidx=null parent=42LHJ]
Tettigonia dufourii
 - Tettigonia dufourii Signoret, 1855 [SYNONYM SPECIES 308619:CVRBJ nidx=null parent=4P38S]
 + Tettigonia dufourii Signoret, 1855 [SYNONYM SPECIES 309001:KTLZ5 nidx=null parent=4P38S]
Tettigonia laboulbenii
 - Tettigonia laboulbenii Signoret, 1855 [SYNONYM SPECIES 308619:CR4QH nidx=null parent=4CRKJ]
 + Tettigonia laboulbenii Signoret, 1855 [SYNONYM SPECIES 309001:KTLZ9 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 309001:KTM3Y nidx=null parent=55YCN]
Thamnotettix aureovittatus
 - Thamnotettix aureovittatus Sanders & DeLong, 1920 [SYNONYM SPECIES 308619:CVRPC nidx=null parent=3H5TG]
 + Thamnotettix aureovittatus Sanders & DeLong, 1920 [SYNONYM SPECIES 309001:KTMBF nidx=null parent=3H5TG]
Thamnotettix burjatus
 - Thamnotettix burjatus Kusnezov, 1931 [SYNONYM SPECIES 308619:CPLJX nidx=null parent=9K89P]
 + Thamnotettix burjatus Kusnezov, 1931 [SYNONYM SPECIES 309001:KTMBG nidx=null parent=9K89P]
Thamnotettix colonus
 - Thamnotettix colonus (Uhler, 1895) [SYNONYM SPECIES 308619:CVRPF nidx=null parent=7DJVP]
 + Thamnotettix colonus (Uhler, 1895) [SYNONYM SPECIES 309001:KTMBH nidx=null parent=7DJVP]
Thamnotettix subcupreus
 - Thamnotettix subcupreus (Provancher, 1872) [SYNONYM SPECIES 308619:CT7NN nidx=null parent=8RJ92]
 + Thamnotettix subcupreus (Provancher, 1872) [SYNONYM SPECIES 309001:KTMBW nidx=null parent=8RJ92]
Theocorythium
 - Theocorythium [ACCEPTED GENUS 308619:7VN3 nidx=null]
 + Theocorythium Haeckel, 1887 [ACCEPTED GENUS 309001:KTMQN nidx=null]
Thereva nigella
 - Thereva nigella Wiedemann, 1828 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZPY nidx=null]
 + Thereva nigella Wiedemann, 1828 [PROVISIONALLY_ACCEPTED SPECIES 309001:9V8H7 nidx=null]
Tholoniidae
 - Tholoniidae [ACCEPTED FAMILY 308619:H7Q nidx=null]
 + Tholoniidae Haeckel, 1887 [ACCEPTED FAMILY 309001:KTN86 nidx=null]
Tholospyris
 - Tholospyris [ACCEPTED GENUS 308619:7W4Q nidx=null]
 + Tholospyris Haeckel, 1881 [ACCEPTED GENUS 309001:KTN8D 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 309001:KTNFS nidx=null parent=8KJR]
Thyrsopterideae
 - Thyrsopterideae Pfeiff. [SYNONYM UNRANKED 308619:BW4Q3 nidx=null parent=B8X24]
 + Thyrsopterideae Pfeiff. [SYNONYM TRIBE 309001:KTNPZ 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 309001:KTNRY nidx=null parent=8K2NL]
Tibicina plebeja
 - Tibicina plebeja Fritsch, 1880 non Scopoli, 1763 [AMBIGUOUS_SYNONYM SPECIES 308619:8JGXP nidx=null parent=8JJV6]
 + Tibicina plebeja (Germar, 1830) [SYNONYM SPECIES 309001:KTLJ7 nidx=null parent=8JJV6]
Tipula florilega
 - Tipula florilega Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZTK nidx=null]
 + Tipula florilega Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JYDH nidx=null]
Tipula vibratrix
 - Tipula vibratrix Linnaeus, 1761 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZVP nidx=null]
 + Tipula vibratrix Linnaeus, 1761 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JYHF nidx=null]
Tmesisternus (Tmesisternus) tesselatus
 - Tmesisternus (Tmesisternus) tesselatus [AMBIGUOUS_SYNONYM SPECIES 308619:CVRMW nidx=null parent=7CF23]
 + Tmesisternus (Tmesisternus) tesselatus [AMBIGUOUS_SYNONYM SPECIES 309001:KTM8F nidx=null parent=7CF2N]
 + Tmesisternus (Tmesisternus) tesselatus [AMBIGUOUS_SYNONYM SPECIES 309001:KTM8G nidx=null parent=7CF23]
Tortrix olivana
 - Tortrix olivana [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 308619:BRDXS nidx=null parent=92ZFM]
 + Tortrix olivana [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 309001:98LQM 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 309001:DNPYB nidx=null]
Trichocera brevis
 - Trichocera brevis Krzemińska, 2002 [SYNONYM SPECIES 308619:8FH6Z nidx=null parent=8FH5V]
 + Trichocera brevis Krzemińska, 2002 [SYNONYM SPECIES 309001:7CPZF nidx=null parent=8FH5V]
Trichocladius atriforceps
 - Trichocladius atriforceps Kieffer, 1924 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZXZ nidx=null]
 + Trichocladius atriforceps Kieffer, 1924 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JYJG nidx=null]
Trichocladius sahorensis
 - Trichocladius sahorensis Kieffer, 1926 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZY3 nidx=null]
 + Trichocladius sahorensis Kieffer, 1926 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JYQG nidx=null]
Trichocladius terricola
 - Trichocladius terricola Kieffer, 1919 [PROVISIONALLY_ACCEPTED SPECIES 308619:B3ZY4 nidx=null]
 + Trichocladius terricola Kieffer, 1919 [PROVISIONALLY_ACCEPTED SPECIES 309001:9JYQX nidx=null]
Trichodagmia spadicidorsum
 - Trichodagmia spadicidorsum Enderlein, 1934 [SYNONYM SPECIES 308619:8FHG9 nidx=null parent=8DZ3K]
 + Trichodagmia spadicidorsum Enderlein, 1934 [SYNONYM SPECIES 309001:58BB9 nidx=null parent=8DZ3K]
Trichomaneae
 - Trichomaneae Dumort. [SYNONYM UNRANKED 308619:BW52M nidx=null parent=B8X4W]
 + Trichomaneae Dumort. [SYNONYM TRIBE 309001:KTNBW nidx=null parent=B8X4W]
Trichomanes curranii
 - Trichomanes curranii Weath. [ACCEPTED SPECIES 308619:BCRL4 nidx=null]
 + Trichomanes curranii Weath. [SYNONYM SPECIES 309001:7CR64 nidx=null parent=BCZQJ]
Trichophthalma (Lichtwardtiomyia) longirostris
 - Trichophthalma (Lichtwardtiomyia) longirostris Mackerras, 1925 [ACCEPTED SPECIES 308619:CT92C nidx=null]
 + Trichophthalma (Lichtwardtiomyia) longirostris Mackerras, 1925 [ACCEPTED SPECIES 309001:KTNFD nidx=null]
Trichopoda (Galactomyia) flavicornis
 - Trichopoda (Galactomyia) flavicornis Robineau-Desvoidy, 1830 [ACCEPTED SPECIES 308619:CHJ3F nidx=null]
 + Trichopoda (Galactomyia) flavicornis Robineau-Desvoidy, 1830 [ACCEPTED SPECIES 309001:KTNFG nidx=null]
Trichosteleum brachypelma
 - Trichosteleum brachypelma (Müll. Hal.) Paris [ACCEPTED SPECIES 308619:9T3W4 nidx=null]
 + Trichosteleum brachypelma (Müll. Hal.) Broth. [ACCEPTED SPECIES 309001:KTNLN 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 309001:KTNM9 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 309001:KTNMB 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 309001:KTP26 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 309001:KTPCZ nidx=null parent=8KRKW]
Trophonopsis carinatus aculeatus
 - Trophonopsis carinatus aculeatus Settepassi, 1977 [SYNONYM SUBSPECIES 308619:CR79W nidx=null parent=4BZK5]
 + Trophonopsis carinatus aculeatus Settepassi, 1977 [SYNONYM SUBSPECIES 309001:KTPS9 nidx=null parent=4BZK5]
Tryxalis (Tryxalis) rufescens
 - Tryxalis (Tryxalis) rufescens Palisot de Beauvois, 1805 [SYNONYM SPECIES 308619:CVTZ4 nidx=null parent=9JY9]
 + Tryxalis (Tryxalis) rufescens Palisot de Beauvois, 1805 [SYNONYM SPECIES 309001:KTPTQ nidx=null parent=9JY9]
Tudicula (Tudicula) kurtzi
 - Tudicula (Tudicula) kurtzi Macpherson, 1964 [SYNONYM SPECIES 308619:CTBPK nidx=null parent=59KKT]
 + Tudicula (Tudicula) kurtzi Macpherson, 1964 [SYNONYM SPECIES 309001:KTPVD nidx=null parent=59KKT]
Turbonilla (Nisiturris) crystallina
 - Turbonilla (Nisiturris) crystallina Clessin, 1900 [SYNONYM SPECIES 308619:CVSW5 nidx=null parent=84XNN]
 + Turbonilla (Nisiturris) crystallina Clessin, 1900 [SYNONYM SPECIES 309001:KTNRR nidx=null parent=84XNN]
Typhlocyba (Zygina)
 - Typhlocyba (Zygina) Fieber, 1866 [SYNONYM SUBGENUS 308619:CV3XM nidx=null parent=CH2RG]
 + Typhlocyba (Zygina) Fieber, 1866 [SYNONYM SUBGENUS 309001:KSVXW nidx=null parent=CH2RG]
Typhlocyba pura
 - Typhlocyba pura Stål, 1858 [SYNONYM SPECIES 308619:8JHF4 nidx=null parent=3RGVQ]
 + Typhlocyba pura Stål, 1858 [SYNONYM SPECIES 309001:59W3W nidx=null parent=3RGVQ]
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 309001:KTPD7 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 309001:CW4Z3 nidx=null parent=7DGX5]
Umbilia (Palliocypraea)
 - Umbilia (Palliocypraea) Cossmann, 1906 [SYNONYM SUBGENUS 308619:CSTC5 nidx=null parent=7PKGG]
 + Umbilia (Palliocypraea) Cossmann, 1906 [SYNONYM SUBGENUS 309001:KTDBH nidx=null parent=7PKGG]
Uroleucon (Uroleucon)
 - Uroleucon (Uroleucon) Mordvilko, 1914 [ACCEPTED SUBGENUS 308619:CSGQT nidx=null]
 + Uroleucon (Uroleucon) Mordvilko, 1914 [ACCEPTED SUBGENUS 309001:KT5PN nidx=null]
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 309001:KTPYT nidx=null]
Vatana
 - Vatana Dworakowska, 1995 [SYNONYM GENUS 308619:8HSPC nidx=null parent=BYSNF]
 + Vatana Dworakowska, 1995 [SYNONYM GENUS 309001:KTPZ8 nidx=null parent=BYSNF]
Velinus castaneus
 - Velinus castaneus Hsiao, 1979 [ACCEPTED SPECIES 308619:7FL4V nidx=null]
 + Velinus castaneus Distant, 1919 [ACCEPTED SPECIES 309001:KTPZC nidx=null]
Venericardia (Megacardita) laticosta
 - Venericardia (Megacardita) laticosta (Eichwald, 1830) [SYNONYM SPECIES 308619:CVV6H nidx=null parent=3YQQ3]
 + Venericardia (Megacardita) laticosta (Eichwald, 1830) [SYNONYM SPECIES 309001:KTPZN nidx=null parent=3YQQ3]
Venericardia delicatum
 - Venericardia delicatum Verco, 1908 [SYNONYM SPECIES 308619:CTBWK nidx=null parent=4QKQZ]
 + Venericardia delicatum Verco, 1908 [SYNONYM SPECIES 309001:KTPZL nidx=null parent=4QKQZ]
Venus (Timoclea)
 - Venus (Timoclea) T. Brown, 1827 [SYNONYM SUBGENUS 308619:CTV5Y nidx=null parent=7PJK7]
 + Venus (Timoclea) T. Brown, 1827 [SYNONYM SUBGENUS 309001:KSMV2 nidx=null parent=7PJK7]
Vitrina (Semilimax) kotulae
 - Vitrina (Semilimax) kotulae (Westerlund, 1883) [SYNONYM SPECIES 308619:CR7JW nidx=null parent=3L69B]
 + Vitrina (Semilimax) kotulae (Westerlund, 1883) [SYNONYM SPECIES 309001:KTQ2Q nidx=null parent=3L69B]
Vittariaceae
 - Vittariaceae Ching [SYNONYM UNRANKED 308619:B8X2N nidx=null parent=B8V4Q]
 + Vittariaceae Ching [SYNONYM FAMILY 309001:KTQ2Z nidx=null parent=B8V4Q]
Vittarieae
 - Vittarieae C.Presl [SYNONYM UNRANKED 308619:BV8X4 nidx=null parent=BV8R2]
 + Vittarieae C.Presl [SYNONYM TRIBE 309001:KTQ32 nidx=null parent=BV8R2]
Vittariinae
 - Vittariinae Diels [SYNONYM UNRANKED 308619:BW5J8 nidx=null parent=BV8R2]
 + Vittariinae Diels [SYNONYM SUBTRIBE 309001:KTQ33 nidx=null parent=BV8R2]
Webera didymodontia
 - Webera didymodontia (Mitt.) Broth. [SYNONYM SPECIES 308619:9T4T8 nidx=null parent=4P8H9]
 + Webera didymodontia (Mitt.) Cardot [SYNONYM SPECIES 309001:KTQF5 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 309001:7FW3S 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 309001:KTQ53 nidx=null parent=84X97]
Woodsiinae
 - Woodsiinae Hook. [SYNONYM UNRANKED 308619:BW5KT nidx=null parent=B8X2P]
 + Woodsiinae Hook. [SYNONYM SUBTRIBE 309001:KTQW7 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 309001:5C96Z nidx=null parent=85W8X]
Xenyllodes cavernicolus
 - Xenyllodes cavernicolus Womersley, 1930 [ACCEPTED SPECIES 308619:CT9LL nidx=null]
 + Xenyllodes cavernicolus Womersley, 1930 [ACCEPTED SPECIES 309001:KTNZG nidx=null]
Xestoleberis malaysiana
 - Xestoleberis malaysiana Zhao (Yi-Chun) & Whatley, 1989 [ACCEPTED SPECIES 308619:7FXHB nidx=null]
 + Xestoleberis malaysiana Zhao & Whatley, 1989 [ACCEPTED SPECIES 309001:KTP3J nidx=null]
Xiphidiola (Xiphidiola) concolor
 - Xiphidiola (Xiphidiola) concolor Bolívar, 1906 [ACCEPTED SPECIES 308619:7FXDX nidx=null]
 + Xiphidiola (Xiphidiola) concolor Bolívar, 1906 [ACCEPTED SPECIES 309001:KTP4W nidx=null]
Zospeum alpestre alpestre
 - Zospeum alpestre alpestre (Freyer, 1855) [ACCEPTED SUBSPECIES 308619:8SYKM nidx=null]
 + Zospeum alpestre alpestre (Freyer, 1855) [SYNONYM SUBSPECIES 309001:7L7ZS nidx=null parent=5D8GH]
Zua davidis
 - Zua davidis Ancey, 1882 [SYNONYM SPECIES 308619:7TPBM nidx=null parent=7QQTV]
 + Zua davidis [SYNONYM SPECIES 309001:KTQ5X nidx=null parent=KTV3S]
Zygaena confluens
 - Zygaena confluens Reiss, 1953 [SYNONYM SPECIES 308619:99X8N nidx=null parent=944KX]
 + Zygaena confluens Holik & Reiss, 1932 [SYNONYM SPECIES 309001:BPVBN nidx=null parent=9447W]
 + Zygaena confluens Dziurzynski, 1902 [SYNONYM SPECIES 309001:KTQ6W nidx=null parent=93SD2]
 + Zygaena confluens Dziurzynski, 1906 [SYNONYM SPECIES 309001:KTQ6X nidx=null parent=93S9X]
 + Zygaena confluens Dziurzynski, 1908 [SYNONYM SPECIES 309001:KTQ6Y nidx=null parent=93SK6]
 + Zygaena confluens Dziurzynski, 1908 [SYNONYM SPECIES 309001:KTQ6Z nidx=null parent=93S9X]
 + Zygaena confluens Dziurzynski, 1902 [SYNONYM SPECIES 309001:KTQ72 nidx=null parent=93SFK]
 + Zygaena confluens Dziurzynski, 1908 [SYNONYM SPECIES 309001:KTQ73 nidx=null parent=944HJ]
 + Zygaena confluens Dziurzynski, 1910 [SYNONYM SPECIES 309001:KTQ74 nidx=null parent=98VK4]
 + Zygaena confluens Dziurzynski, 1908 [SYNONYM SPECIES 309001:KTQ75 nidx=null parent=98VGZ]
 + Zygaena confluens Reiss, 1941 [SYNONYM SPECIES 309001:KTQ76 nidx=null parent=93SCF]
 + Zygaena confluens Holik & Reiss, 1932 [SYNONYM SPECIES 309001:KTQ77 nidx=null parent=93S9C]
 + Zygaena confluens Reiss, 1943 [SYNONYM SPECIES 309001:KTQ78 nidx=null parent=93SK4]
 + Zygaena confluens Reiss, 1931 [SYNONYM SPECIES 309001:KTQ79 nidx=null parent=5LVBL]
 + Zygaena confluens Reiss, 1931 [SYNONYM SPECIES 309001:KTQ7B nidx=null parent=5LVBK]
 + Zygaena confluens Holik & Reiss, 1932 [SYNONYM SPECIES 309001:KTQ7C nidx=null parent=93SCG]
 + Zygaena confluens [École Bordelaise], 1933 [SYNONYM SPECIES 309001:KTQ7D nidx=null parent=944DH]
 + Zygaena confluens Burgeff, 1914 [SYNONYM SPECIES 309001:KTQ7F nidx=null parent=9448Y]
 + Zygaena confluens Burgeff, 1914 [SYNONYM SPECIES 309001:KTQ7G nidx=null parent=94493]
 + Zygaena confluens Burgeff, 1914 [SYNONYM SPECIES 309001:KTQ7H nidx=null parent=98VJW]
 + Zygaena confluens Burgeff, 1906 [SYNONYM SPECIES 309001:KTQ7J nidx=null parent=93SFH]
 + Zygaena confluens Burgeff, 1926 [SYNONYM SPECIES 309001:KTQ7K nidx=null parent=94F9F]
 + Zygaena confluens Burgeff, 1926 [SYNONYM SPECIES 309001:KTQ7L nidx=null parent=9447S]
 + Zygaena confluens Burgeff, 1926 [SYNONYM SPECIES 309001:KTQ7M nidx=null parent=944H5]
 + Zygaena confluens Burgeff, 1926 [SYNONYM SPECIES 309001:KTQ7N nidx=null parent=944NX]
 + Zygaena confluens Burgeff, 1926 [SYNONYM SPECIES 309001:KTQ7P nidx=null parent=9448G]
 + Zygaena confluens Burgeff, 1926 [SYNONYM SPECIES 309001:KTQ7Q nidx=null parent=94F9H]
 + Zygaena confluens Koch, 1938 [SYNONYM SPECIES 309001:KTQ7R nidx=null parent=944M9]
 + Zygaena confluens Oberthür, 1896 [SYNONYM SPECIES 309001:KTQ7S nidx=null parent=944DR]
 + Zygaena confluens Oberthür, 1896 [SYNONYM SPECIES 309001:KTQ7T nidx=null parent=944NH]
 + Zygaena confluens Oberthür, 1896 [SYNONYM SPECIES 309001:KTQ7V nidx=null parent=944F8]
 + Zygaena confluens Oberthür, 1896 [SYNONYM SPECIES 309001:KTQ7W nidx=null parent=944G4]
 + Zygaena confluens Oberthür, 1896 [SYNONYM SPECIES 309001:KTQ7X nidx=null parent=93SCF]
 + Zygaena confluens Oberthür, 1896 [SYNONYM SPECIES 309001:KTQ7Y nidx=null parent=93SDJ]
 + Zygaena confluens Reiss, 1953 [SYNONYM SPECIES 309001:KTQ7Z nidx=null parent=944KX]
 + Zygaena confluens Reiss, 1944 [SYNONYM SPECIES 309001:KTQ82 nidx=null parent=9447H]
 + Zygaena confluens Reiss, 1964 [SYNONYM SPECIES 309001:KTQ83 nidx=null parent=944JJ]
 + Zygaena confluens Reiss, 1964 [SYNONYM SPECIES 309001:KTQ84 nidx=null parent=93SFJ]
 + Zygaena confluens Spuler, 1906 [SYNONYM SPECIES 309001:KTQ85 nidx=null parent=944F8]
 + Zygaena confluens Spuler, 1906 [SYNONYM SPECIES 309001:KTQ86 nidx=null parent=944MF]
 + Zygaena confluens Spuler, 1906 [SYNONYM SPECIES 309001:KTQ87 nidx=null parent=944JV]
Zygaena latemarginata
 - Zygaena latemarginata Reiss, 1953 [SYNONYM SPECIES 308619:CTCQ9 nidx=null parent=944H5]
 + Zygaena latemarginata Reiss, 1950 [SYNONYM SPECIES 309001:KTQMJ nidx=null parent=944L9]
 + Zygaena latemarginata Reiss, 1950 [SYNONYM SPECIES 309001:KTQMK nidx=null parent=944GJ]
 + Zygaena latemarginata Reiss, 1953 [SYNONYM SPECIES 309001:KTQML nidx=null parent=944KL]
Zygaena mediointerrupta
 - Zygaena mediointerrupta Holik, 1942 [SYNONYM SPECIES 308619:93SG5 nidx=null parent=944JJ]
 + Zygaena mediointerrupta Holik, 1942 [SYNONYM SPECIES 309001:KTQN8 nidx=null parent=93SGW]
 + Zygaena mediointerrupta Holik, 1941 [SYNONYM SPECIES 309001:KTQN9 nidx=null parent=93SHD]
 + Zygaena mediointerrupta Holik, 1939 [SYNONYM SPECIES 309001:KTQNB nidx=null parent=93SGW]
 + Zygaena mediointerrupta Vorbrodt, 1913 [SYNONYM SPECIES 309001:KTQNC nidx=null parent=944KL]
Zygaena totarubra
 - Zygaena totarubra Holik & Sheljuzhko, 1955 [SYNONYM SPECIES 308619:CVVFJ nidx=null parent=98PXC]
 + Zygaena totarubra Holik & Sheljuzhko, 1955 [SYNONYM SPECIES 309001:KTQ8M nidx=null parent=98PXN]