Acanthophorus (Tithoes) maculatus
 - Acanthophorus (Tithoes) maculatus [AMBIGUOUS_SYNONYM SPECIES 300004:CFFTS nidx=null parent=BK2CD]
 + Acanthophorus (Tithoes) maculatus [AMBIGUOUS_SYNONYM SPECIES 301450:CGRFT nidx=null parent=BK2CD]
 + Acanthophorus (Tithoes) maculatus [AMBIGUOUS_SYNONYM SPECIES 301450:CGRFV nidx=null parent=BLWYB]
Acocephalus carinatus
 - Acocephalus carinatus Stål, 1864 [SYNONYM SPECIES 300004:8RHBW nidx=null parent=FK45]
 + Acocephalus carinatus Stål, 1864 [SYNONYM SPECIES 301450:8JNBK nidx=null parent=FK45]
Acontia (Emmelia) inda
 - Acontia (Emmelia) inda Felder, 1874 [SYNONYM SPECIES 300004:BPMBK nidx=null parent=BJGXF]
 + Acontia (Emmelia) inda Felder, 1874 [SYNONYM SPECIES 301450:95Q4C nidx=null parent=BJGXF]
Acontia (Emmelia) natalis
 - Acontia (Emmelia) natalis Guenée, 1852 [ACCEPTED SPECIES 300004:CCT7J nidx=null]
 + Acontia (Emmelia) natalis Guenée, 1852 [ACCEPTED SPECIES 301450:BJGVY nidx=null]
Acrocera (Acrocera) minuscula
 - Acrocera (Acrocera) minuscula (Séguy, 1934) [ACCEPTED SPECIES 300004:924P9 nidx=null]
 + Acrocera (Acrocera) minuscula (Séguy, 1934) [ACCEPTED SPECIES 301450:64M7P nidx=null]
Acroneuria arida
 - Acroneuria arida [AMBIGUOUS_SYNONYM SPECIES 300004:8MVY9 nidx=null parent=64NH4]
 + Acroneuria arida Frison, 1935 [AMBIGUOUS_SYNONYM SPECIES 301450:CGSGH nidx=null parent=64NH4]
Acroneuria evoluta
 - Acroneuria evoluta Clark, 1934 [AMBIGUOUS_SYNONYM SPECIES 300004:8MVYB nidx=null parent=64NH4]
 + Acroneuria evoluta Frison, 1942 [AMBIGUOUS_SYNONYM SPECIES 301450:CGSGJ nidx=null parent=64NH4]
Acropora (Eumadrepora) formosa gracilis
 - Acropora (Eumadrepora) formosa gracilis (Dana, 19846) [SYNONYM SUBSPECIES 300004:9B7DY nidx=null parent=9P3S]
 + Acropora (Eumadrepora) formosa gracilis (Dana, 1846) [SYNONYM SUBSPECIES 301450:CGSJG nidx=null parent=9P3S]
Actaea consobrina
 - Actaea consobrina H. MIlne-Edwards, 1873 [SYNONYM SPECIES 300004:CCTR4 nidx=null parent=9S6L]
 + Actaea consobrina A. MIlne-Edwards, 1873 [SYNONYM SPECIES 301450:CGSLN nidx=null parent=CHKRC]
Acucephalus olivaceus
 - Acucephalus olivaceus Walker, 1851 [SYNONYM SPECIES 300004:8RHDC nidx=null parent=FK4L]
 + Acucephalus olivaceus Walker, 1851 [SYNONYM SPECIES 301450:8JNGY nidx=null parent=FK4L]
Adelphotectonica kuroharai
 - Adelphotectonica kuroharai (Kuroda & Habe, 1961) [ACCEPTED SPECIES 300004:8V6YZ nidx=null]
 + Adelphotectonica kuroharai (Kuroda & T. Habe, 1961) [ACCEPTED SPECIES 301450:9YT8 nidx=null]
Aedes (Aedes) dermajoensis
 - Aedes (Aedes) dermajoensis Brug, 1931 [SYNONYM SPECIES 300004:87MTK nidx=null parent=C2TR5]
 + Aedes (Aedes) dermajoensis Brug, 1931 [SYNONYM SPECIES 301450:64VWL nidx=null parent=C2TR5]
Aeneator fontainei
 - Aeneator fontainei (A. d'Orbigny, 1839) [ACCEPTED SPECIES 300004:659T5 nidx=null]
 + Aeneator fontainei (A. d'Orbigny, 1841) [ACCEPTED SPECIES 301450:CGPCC nidx=null]
Aequipecten tehuelchus
 - Aequipecten tehuelchus (A. d'Orbigny, 1842) [ACCEPTED SPECIES 300004:64YTH nidx=null]
 + Aequipecten tehuelchus (A. d'Orbigny, 1846) [ACCEPTED SPECIES 301450:CGPCM nidx=null]
Aequipecten tehuelchus tehuelchus
 - Aequipecten tehuelchus tehuelchus (A. d'Orbigny, 1842) [ACCEPTED SUBSPECIES 300004:8SXTK nidx=null]
 + Aequipecten tehuelchus tehuelchus (A. d'Orbigny, 1846) [ACCEPTED SUBSPECIES 301450:CGPCN nidx=null]
Afroforficula
 - Afroforficula Steinmann, 1990 [ACCEPTED GENUS 300004:8MPXM nidx=null]
 + Afroforficula Steinmann, 1993 [ACCEPTED GENUS 301450:CGPD2 nidx=null]
Agama (Eremioplanis) lessonae
 - Agama (Eremioplanis) lessonae de Filippi, 1865 [SYNONYM SPECIES 300004:8H5V6 nidx=null parent=57XYV]
 + Agama (Eremioplanis) lessonae de Filippi, 1865 [SYNONYM SPECIES 301450:65K4C nidx=null parent=57XYV]
Agapanthia (Epoptes) asphodeli
 - Agapanthia (Epoptes) asphodeli [AMBIGUOUS_SYNONYM SPECIES 300004:CFCH8 nidx=null parent=CCHR2]
 + Agapanthia (Epoptes) asphodeli [AMBIGUOUS_SYNONYM SPECIES 301450:CGPDH nidx=null parent=CCHR2]
Agatina
 - Agatina auct. [SYNONYM GENUS 300004:C8TBG nidx=null parent=7NMQS]
 + Agatina [SYNONYM GENUS 301450:BG6H3 nidx=null parent=7NMQS]
Agromyza aberrans
 - †Agromyza aberrans Meunier, 1905 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SJJ nidx=null]
 + Agromyza aberrans Meunier, 1905 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JJBM nidx=null]
Alcyonidium
 - Alcyonidium auct. [SYNONYM GENUS 300004:C8SZN nidx=null parent=84L8R]
 + Alcyonidium [SYNONYM GENUS 301450:RMF nidx=null parent=84L8R]
Allonuria frigida
 - Allonuria frigida [SYNONYM SPECIES 300004:8NH49 nidx=null parent=7BHVB]
 + Allonuria frigida (Navás, 1930) [SYNONYM SPECIES 301450:CGPGH nidx=null parent=7BHVB]
Alloperla (Chloroperla) nana
 - Alloperla (Chloroperla) nana [SYNONYM SPECIES 300004:BWHZZ nidx=null parent=6MZZX]
 + Alloperla (Chloroperla) nana (Walsh, 1862) [SYNONYM SPECIES 301450:CGPGK nidx=null parent=6MZZX]
Amastigogonus nichollsii
 - Amastigogonus nichollsii Verhoeff, 1944 [SYNONYM SPECIES 300004:CFD9V nidx=null parent=CHNQ]
 + Amastigogonus nichollsii Verhoeff, 1944 [SYNONYM SPECIES 301450:CGQ42 nidx=null parent=CHNQ]
Amazilia saucerrottei warscewiczi
 - Amazilia saucerrottei warscewiczi (Cabanis & Heine, 1860) [SYNONYM SUBSPECIES 300004:C65PY nidx=null parent=BNZP7]
 + Amazilia saucerrottei warscewiczi (Cabanis & Heine, 1860) [SYNONYM SUBSPECIES 301450:CGQ6L nidx=null parent=BNZP7]
Amblyspatha mucoris
 - Amblyspatha mucoris Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SJM nidx=null]
 + Amblyspatha mucoris Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JJDD nidx=null]
Amphidesma cancellata
 - Amphidesma cancellata A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:9G43M nidx=null parent=4WFTC]
 + Amphidesma cancellata A. d'Orbigny, 1853 [SYNONYM SPECIES 301450:66G9T nidx=null parent=4WFTC]
Anacroneuria quecha
 - Anacroneuria quecha [SYNONYM SPECIES 300004:8NGWK nidx=null parent=DC4T]
 + Anacroneuria quecha Stark & Sivec, 1998 [SYNONYM SPECIES 301450:CGRD6 nidx=null parent=DC4T]
Anchomenus brunneus
 - Anchomenus brunneus Letzner, 1852 unavailable name [AMBIGUOUS_SYNONYM SPECIES 300004:CFG65 nidx=null parent=664SQ]
 + Anchomenus brunneus Letzner, 1851 [AMBIGUOUS_SYNONYM SPECIES 301450:CGRNV nidx=null parent=77PSY]
 + Anchomenus brunneus Letzner, 1852 [AMBIGUOUS_SYNONYM SPECIES 301450:CGRNW nidx=null parent=664T3]
 + Anchomenus brunneus Letzner, 1852 [AMBIGUOUS_SYNONYM SPECIES 301450:CGRNX nidx=null parent=664SQ]
Angraecum arcuatum
 - Angraecum arcuatum Lindl. ex Hook.f. [AMBIGUOUS_SYNONYM SPECIES 300004:CFDKX nidx=null parent=6BXQJ]
 + Angraecum arcuatum Lindl. [AMBIGUOUS_SYNONYM SPECIES 301450:CGQBS nidx=null parent=33NMB]
 + Angraecum arcuatum Lindl. ex Hook.f. [AMBIGUOUS_SYNONYM SPECIES 301450:CGQBT nidx=null parent=6BXQJ]
Anomalina (Pseudovalvulineria) infrasantonica
 - Anomalina (Pseudovalvulineria) infrasantonica Balakhmatova in Vasilenko & Myatlyuk, 1947 [SYNONYM SPECIES 300004:C3XMP nidx=null parent=8NFX7]
 + Anomalina (Pseudovalvulineria) infrasantonica Balakhmatova in Vasilenko & Myatlyuk, 1947 [SYNONYM SPECIES 301450:CGQVB nidx=null parent=8NFX7]
Anomalinoides sphericus
 - Anomalinoides sphericus (Finlay, 1940) [SYNONYM SPECIES 300004:BY77S nidx=null parent=BS9ZX]
 + Anomalinoides sphericus (Finlay, 1940) [SYNONYM SPECIES 301450:CGQVX nidx=null parent=BS9ZX]
Anopheles (Cellia) formosae
 - Anopheles (Cellia) formosae Hatori, 1901 [ACCEPTED SPECIES 300004:CCR2L nidx=null]
 + Anopheles (Cellia) formosae Hatori, 1901 [ACCEPTED SPECIES 301450:CGQYG nidx=null]
Anopheles (Cellia) jehafi
 - Anopheles (Cellia) jehafi Patton, 1905 [ACCEPTED SPECIES 300004:C59ZS nidx=null]
 + Anopheles (Cellia) jehafi Patton, 1905 [ACCEPTED SPECIES 301450:CGQYK nidx=null]
Anthalia nigra
 - Anthalia nigra Zetterstedt, 1842 [SYNONYM SPECIES 300004:926SH nidx=null parent=C2S6P]
 + Anthalia nigra Zetterstedt, 1842 [SYNONYM SPECIES 301450:66Z2W nidx=null parent=C2S6P]
Anthomyia calceata
 - Anthomyia calceata Meigen, 1826 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3PPP nidx=null]
 + Anthomyia calceata Meigen, 1826 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JJLP nidx=null]
Anthomyia cyclicans
 - Anthomyia cyclicans Pandellé, 1900 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3PPQ nidx=null]
 + Anthomyia cyclicans Pandellé, 1900 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JJM3 nidx=null]
Anthrax dentoni
 - †Anthrax dentoni Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SJV nidx=null]
 + Anthrax dentoni Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JJQ6 nidx=null]
Antipathes (Aphanipathes) cancellata
 - Antipathes (Aphanipathes) cancellata (Brook, 1889) [SYNONYM SPECIES 300004:CFGBX nidx=null parent=4FTZR]
 + Antipathes (Aphanipathes) cancellata (Brook, 1889) [SYNONYM SPECIES 301450:CGRSB nidx=null parent=4FTZR]
Aphanicercella calvata
 - Aphanicercella calvata [SYNONYM SPECIES 300004:8NHCL nidx=null parent=67LZJ]
 + Aphanicercella calvata Stevens & Picker, 1999 [SYNONYM SPECIES 301450:CGS4Z nidx=null parent=67LZJ]
Aphis (Aphis) evonymi
 - Aphis (Aphis) evonymi Fabricius, 1775 [SYNONYM SPECIES 300004:C5FGJ nidx=null parent=5DJMN]
 + Aphis (Aphis) evonymi Fabricius, 1775 [SYNONYM SPECIES 301450:9GWDF nidx=null parent=5DJMN]
Aphis (Aphis) holci
 - Aphis (Aphis) holci [SYNONYM SPECIES 300004:8QY5T nidx=null parent=36ZLR]
 + Aphis (Aphis) holci [SYNONYM SPECIES 301450:CGQBK nidx=null parent=36ZLR]
Aphis absynthii
 - Aphis absynthii (Linnaeus, 1758) [SYNONYM SPECIES 300004:CCQ7L nidx=null parent=3X9NH]
 + Aphis absynthii (Linnaeus, 1758) [SYNONYM SPECIES 301450:CGQG5 nidx=null parent=3X9NH]
Aporocotyle michaudi
 - Aporocotyle michaudi Santoro, Cipriani, Pankov & Lawton, 2015 [ACCEPTED SPECIES 300004:846P9 nidx=null]
 + Aporocotyle michaudi Santoro, Cipriani, Pankov & Lawton, 2015 [ACCEPTED SPECIES 301450:5VQMQ nidx=null]
Apricardia laevigata
 - †Apricardia laevigata (A. d'Orbigny, 1847) [ACCEPTED SPECIES 300004:FWNH nidx=null]
 + Apricardia laevigata (A. d'Orbigny, 1842) [ACCEPTED SPECIES 301450:CGR3F nidx=null]
Apseudes (Apseudes) tenuimanus
 - Apseudes (Apseudes) tenuimanus Sars, 1882 [SYNONYM SPECIES 300004:CFFGY nidx=null parent=5D6L5]
 + Apseudes (Apseudes) tenuimanus Sars, 1882 [SYNONYM SPECIES 301450:CGR5C nidx=null parent=5D6L5]
Apteroperla babaensis
 - Apteroperla babaensis (Kawai, 1967) [ACCEPTED SPECIES 300004:FYSS nidx=null]
 + Apteroperla babaensis (Illies, 1966) [ACCEPTED SPECIES 301450:CGR6C nidx=null]
Apterygida (Sphingolabis) albipennis
 - Apterygida (Sphingolabis) albipennis [SYNONYM SPECIES 300004:BWK4T nidx=null parent=8MWTL]
 + Apterygida (Sphingolabis) albipennis (von Muhlfeld, 1825) [SYNONYM SPECIES 301450:CGR6F nidx=null parent=682DK]
Apterygida media
 - Apterygida media [SYNONYM SPECIES 300004:8MWTN nidx=null parent=8MWTL]
 + Apterygida media (Hagenbach, 1822) [ACCEPTED SPECIES 301450:682DK nidx=null]
Apterygida pedestris
 - Apterygida pedestris [SYNONYM SPECIES 300004:8N89W nidx=null parent=8MWTL]
 + Apterygida pedestris (Bonelli, 1832) [SYNONYM SPECIES 301450:CGR6G nidx=null parent=682DK]
Apterygida tuberculosa
 - Apterygida tuberculosa Shiraki, 1905 [ACCEPTED SPECIES 300004:FYWC nidx=null]
 + Apterygida tuberculosa Shiraki, 1928 [ACCEPTED SPECIES 301450:CGR6H nidx=null]
Aricidea (Acesta) cerrutii
 - Aricidea (Acesta) cerrutii Laubier, 1966 [SYNONYM SPECIES 300004:BWK6N nidx=null parent=682XG]
 + Aricidea (Acesta) cerrutii Laubier, 1966 [SYNONYM SPECIES 301450:CGS2S nidx=null parent=682XG]
Armadillidium (Pseudosphaerium) nasatum
 - Armadillidium (Pseudosphaerium) nasatum Budde-Lund, 1885 [SYNONYM SPECIES 300004:CFGYP nidx=null parent=BN2QY]
 + Armadillidium (Pseudosphaerium) nasatum Budde-Lund, 1885 [SYNONYM SPECIES 301450:CGS93 nidx=null parent=BN2QY]
Asilus therevinus
 - Asilus therevinus Rondani, 1851 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3Q8L nidx=null]
 + Asilus therevinus Rondani, 1851 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JJYN nidx=null]
Astarte longirostra
 - Astarte longirostra A. d'Orbigny, 1842 [ACCEPTED SPECIES 300004:HN4Y nidx=null]
 + Astarte longirostra A. d'Orbigny, 1846 [ACCEPTED SPECIES 301450:CGRM8 nidx=null]
Astraea (Fissicella) fuscoviridis
 - Astraea (Fissicella) fuscoviridis (Quoy & Gaimard, 1833) [SYNONYM SPECIES 300004:CFGGV nidx=null parent=6HQYM]
 + Astraea (Fissicella) fuscoviridis (Quoy & Gaimard, 1833) [SYNONYM SPECIES 301450:CGRW6 nidx=null parent=6HQYM]
Asura (Asura) agraphia
 - Asura (Asura) agraphia Hampson [SYNONYM SPECIES 300004:BPPFD nidx=null parent=BFNZB]
 + Asura (Asura) agraphia Hampson [SYNONYM SPECIES 301450:95ZNF nidx=null parent=BFNZB]
Asura (Asura) bella
 - Asura (Asura) bella Bethune-Baker [SYNONYM SPECIES 300004:BPPFF nidx=null parent=BFLS9]
 + Asura (Asura) bella Bethune-Baker [SYNONYM SPECIES 301450:95ZNL nidx=null parent=BFLS9]
Asura (Asura) bougainvillicola
 - Asura (Asura) bougainvillicola Strand, 1922 [SYNONYM SPECIES 300004:BPPFG nidx=null parent=BFNYY]
 + Asura (Asura) bougainvillicola Strand, 1922 [SYNONYM SPECIES 301450:95ZNN nidx=null parent=BFNYY]
Asura (Asura) callinoma
 - Asura (Asura) callinoma Meyrick, 1894 [SYNONYM SPECIES 300004:BPPFH nidx=null parent=BFPZD]
 + Asura (Asura) callinoma Meyrick, 1894 [SYNONYM SPECIES 301450:95ZNQ nidx=null parent=BFPZD]
Asura (Asura) conflua
 - Asura (Asura) conflua Hampson, 1914 [SYNONYM SPECIES 300004:BPPFJ nidx=null parent=BFLQR]
 + Asura (Asura) conflua Hampson, 1914 [SYNONYM SPECIES 301450:95ZNW nidx=null parent=BFLQR]
Asura (Asura) confluens
 - Asura (Asura) confluens Draudt, 1914 [SYNONYM SPECIES 300004:BPPFK nidx=null parent=BFLRH]
 + Asura (Asura) confluens Draudt, 1914 [SYNONYM SPECIES 301450:95ZNX nidx=null parent=BFLRH]
Asura (Asura) gaudens
 - Asura (Asura) gaudens Walker, 1854 [SYNONYM SPECIES 300004:BPPFL nidx=null parent=BFLRH]
 + Asura (Asura) gaudens Walker, 1854 [SYNONYM SPECIES 301450:95ZPJ nidx=null parent=BFLRH]
Asura (Asura) habrotis
 - Asura (Asura) habrotis Meyrick, 1886 [SYNONYM SPECIES 300004:BPPFM nidx=null parent=BFLQG]
 + Asura (Asura) habrotis Meyrick, 1886 [SYNONYM SPECIES 301450:95ZPM nidx=null parent=BFLQG]
Asura (Asura) incompleta
 - Asura (Asura) incompleta Draudt, 1914 [SYNONYM SPECIES 300004:BPPFN nidx=null parent=BFLRH]
 + Asura (Asura) incompleta Draudt, 1914 [SYNONYM SPECIES 301450:95ZPP nidx=null parent=BFLRH]
Asura (Asura) inornata
 - Asura (Asura) inornata Wileman [SYNONYM SPECIES 300004:BPPFP nidx=null parent=BJ287]
 + Asura (Asura) inornata Wileman [SYNONYM SPECIES 301450:95ZPQ nidx=null parent=BJ287]
Asura (Asura) melitaula
 - Asura (Asura) melitaula Meyrick, 1899 [SYNONYM SPECIES 300004:BMQLK nidx=null parent=BFNYR]
 + Asura (Asura) melitaula Meyrick, 1899 [SYNONYM SPECIES 301450:92VV8 nidx=null parent=BFNYR]
Asura (Asura) phryctops
 - Asura (Asura) phryctops Kirby, 1892 [SYNONYM SPECIES 300004:BPPFS nidx=null parent=BFNZ4]
 + Asura (Asura) phryctops Kirby, 1892 [SYNONYM SPECIES 301450:95ZQC nidx=null parent=BFNZ4]
Asura (Asura) postfasciatus
 - Asura (Asura) postfasciatus Rothschild, 1920 [SYNONYM SPECIES 300004:BPPFT nidx=null parent=BFPG4]
 + Asura (Asura) postfasciatus Rothschild, 1920 [SYNONYM SPECIES 301450:95ZQD nidx=null parent=BFPG4]
Asura (Asura) reducta
 - Asura (Asura) reducta Rothschild, 1913 [SYNONYM SPECIES 300004:BPPFV nidx=null parent=BFLQN]
 + Asura (Asura) reducta Rothschild, 1913 [SYNONYM SPECIES 301450:95ZQL nidx=null parent=BFLQN]
Asura (Asura) strigulata
 - Asura (Asura) strigulata Rothschild [SYNONYM SPECIES 300004:BPPFW nidx=null parent=BFTDD]
 + Asura (Asura) strigulata Rothschild [SYNONYM SPECIES 301450:95ZR2 nidx=null parent=BFTDD]
Atagema hispida
 - Atagema hispida (A. d'Orbigny, 1834) [SYNONYM SPECIES 300004:J7VX nidx=null parent=35GKX]
 + Atagema hispida (A. d'Orbigny, 1836) [SYNONYM SPECIES 301450:CGS95 nidx=null parent=CGY39]
Atergatopsis signatus
 - Atergatopsis signatus (Adams & White, 1849) [SYNONYM SPECIES 300004:7S4Q3 nidx=null parent=J997]
 + Atergatopsis signatus (Adams & White, 1849) [SYNONYM SPECIES 301450:CGSBV nidx=null parent=J997]
Athysanus eomunnis
 - Athysanus eomunnis Edwards, 1888 [SYNONYM SPECIES 300004:CFHGX nidx=null parent=8RKGV]
 + Athysanus eomunnis Edwards, 1888 [SYNONYM SPECIES 301450:CGSKJ nidx=null parent=8RKGV]
Athysanus thenii
 - Athysanus thenii Löw, 1885 [SYNONYM SPECIES 300004:C93QM nidx=null parent=4YDB4]
 + Athysanus thenii Löw, 1885 [SYNONYM SPECIES 301450:CGSKN nidx=null parent=4YDB4]
Atractodes rufipes
 - Atractodes rufipes Forster, 1876 [AMBIGUOUS_SYNONYM SPECIES 300004:CFHLJ nidx=null parent=JJLJ]
 + Atractodes rufipes (Forster, 1876) [AMBIGUOUS_SYNONYM SPECIES 301450:CGSLY nidx=null parent=5VWB2]
 + Atractodes rufipes Forster, 1876 [AMBIGUOUS_SYNONYM SPECIES 301450:CGSLZ nidx=null parent=JJLJ]
Atrichopogon (Atrichopogon) formosanus
 - Atrichopogon (Atrichopogon) formosanus Kieffer, 1918 [ACCEPTED SPECIES 300004:9286K nidx=null]
 + Atrichopogon (Atrichopogon) formosanus Kieffer, 1918 [ACCEPTED SPECIES 301450:JKQF nidx=null]
Aucklandobius spinigerus
 - Aucklandobius spinigerus [SYNONYM SPECIES 300004:8NGNW nidx=null parent=9NMS]
 + Aucklandobius spinigerus (Tillyard, 1923) [SYNONYM SPECIES 301450:CGSSH nidx=null parent=9NMS]
Aulacorthum (Aulacorthum) solani
 - Aulacorthum (Aulacorthum) solani (Kaltenbach, 1843) [ACCEPTED SPECIES 300004:CCVFS nidx=null]
 + Aulacorthum (Aulacorthum) solani (Kaltenbach, 1843) [ACCEPTED SPECIES 301450:CGSVC nidx=null]
Azara
 - Azara A. d'Orbigny, 1842 [SYNONYM GENUS 300004:BDVD6 nidx=null parent=7P3L9]
 + Azara A. d'Orbigny, 1844 [SYNONYM GENUS 301450:CGRL5 nidx=null parent=7P3L9]
Bactrocera (Bactrocera) ritsemae
 - Bactrocera (Bactrocera) ritsemae (Weyenbergh, 1869) [ACCEPTED SPECIES 300004:929BD nidx=null]
 + Bactrocera (Bactrocera) ritsemae (Weyenbergh, 1869) [ACCEPTED SPECIES 301450:5VZFY nidx=null]
Bactrocera (Paratridacus) unichromata
 - Bactrocera (Paratridacus) unichromata Drew, 1989 [SYNONYM SPECIES 300004:87RKR nidx=null parent=C2TKB]
 + Bactrocera (Paratridacus) unichromata Drew, 1989 [SYNONYM SPECIES 301450:92967 nidx=null parent=C2TKB]
Badura
 - Badura Mulsant & Rey, 1874 [SYNONYM GENUS 300004:CCTHQ nidx=null parent=9JR2V]
 + Badura Mulsant & Rey, 1874 [SYNONYM GENUS 301450:CGSF8 nidx=null parent=9JR2V]
Bagarius yarrelli
 - Bagarius yarrelli (Sykes, 1839) [ACCEPTED SPECIES 300004:KDCM nidx=null]
 + Bagarius yarrelli () [MISAPPLIED SPECIES 301450:CGY97 nidx=null parent=KDCB]
 + Bagarius yarrelli (Sykes, 1839) [ACCEPTED SPECIES 301450:CGY98 nidx=null]
Baikalotrema polymorphum
 - Baikalotrema polymorphum (Layman, 1933) Layman, 1951 [SYNONYM SPECIES 300004:7S9VR nidx=null parent=4JGYJ]
 + Baikalotrema polymorphum (Layman, 1933) Layman, 1951 [SYNONYM SPECIES 301450:68B37 nidx=null parent=4JGYJ]
Ballana (Laterana) dissimilata
 - Ballana (Laterana) dissimilata (Ball, 1910) [SYNONYM SPECIES 300004:CD5WM nidx=null parent=8JSQ7]
 + Ballana (Laterana) dissimilata (Ball, 1910) [SYNONYM SPECIES 301450:CGYH6 nidx=null parent=8JSQ7]
Bathytoma stenos
 - Bathytoma stenos [ACCEPTED SPECIES 300004:9JTHP nidx=null]
 + Bathytoma stenos Puillandre, Sysoev, Olivera, Couloux & Bouchet, 2010 [ACCEPTED SPECIES 301450:KYKF nidx=null]
Beloptera (Belopterina) levesquei
 - Beloptera (Belopterina) levesquei A. d'Orbigny, 1845 [SYNONYM SPECIES 300004:8ZD5H nidx=null parent=8YLDQ]
 + Beloptera (Belopterina) levesquei A. d'Orbigny, 1842 [SYNONYM SPECIES 301450:CGSD9 nidx=null parent=CGSDC]
Beloptera levesquei
 - Beloptera levesquei A. d'Orbigny, 1845 [SYNONYM SPECIES 300004:8ZD5J nidx=null parent=8YLDQ]
 + Beloptera levesquei A. d'Orbigny, 1842 [SYNONYM SPECIES 301450:CGSDB nidx=null parent=CGSDC]
Belopterina levesquei
 - †Belopterina levesquei (A. d'Orbigny, 1845) [ACCEPTED SPECIES 300004:8YLDQ nidx=null]
 + Belopterina levesquei (A. d'Orbigny, 1842) [ACCEPTED SPECIES 301450:CGSDC nidx=null]
Bertea subaptera
 - Bertea subaptera Rondani, 1856 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SLJ nidx=null]
 + Bertea subaptera Rondani, 1856 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JKDP nidx=null]
Bireta (Besaia) dives
 - Bireta (Besaia) dives Kiriakoff, 1962 [SYNONYM SPECIES 300004:963PC nidx=null parent=92WQJ]
 + Bireta (Besaia) dives Kiriakoff, 1962 [SYNONYM SPECIES 301450:BPPPP nidx=null parent=92WQJ]
Bireta (Besaia) yunnana
 - Bireta (Besaia) yunnana Kiriakoff, 1962 [SYNONYM SPECIES 300004:963PP nidx=null parent=92WQS]
 + Bireta (Besaia) yunnana Kiriakoff, 1962 [SYNONYM SPECIES 301450:BPPPY nidx=null parent=92WQS]
Bireta (Norraca) postfusca
 - Bireta (Norraca) postfusca Kiriakoff, 1962 [SYNONYM SPECIES 300004:963PH nidx=null parent=988P9]
 + Bireta (Norraca) postfusca Kiriakoff, 1962 [SYNONYM SPECIES 301450:BPPPS nidx=null parent=988P9]
Bireta (Norracana) niveipicta
 - Bireta (Norracana) niveipicta Kiriakoff, 1962 [SYNONYM SPECIES 300004:963PF nidx=null parent=988NV]
 + Bireta (Norracana) niveipicta Kiriakoff, 1962 [SYNONYM SPECIES 301450:BPPPR nidx=null parent=988NV]
Bireta (Oraura) aurora
 - Bireta (Oraura) aurora Kiriakoff, 1962 [SYNONYM SPECIES 300004:BPPPN nidx=null parent=C392F]
 + Bireta (Oraura) aurora Kiriakoff, 1962 [SYNONYM SPECIES 301450:963PB nidx=null parent=C392F]
Bispira rugosa monterea
 - Bispira rugosa monterea Monro, 1933 [SYNONYM SUBSPECIES 300004:5FY67 nidx=null parent=LWYR]
 + Bispira rugosa monterea (Chamberlin, 1919) [SYNONYM SUBSPECIES 301450:CGT3C nidx=null parent=3C2CS]
Bittium binodulosum
 - †Bittium binodulosum Guzhov, 2022 [ACCEPTED SPECIES 300004:B6DK7 nidx=null]
 + Bittium binodulosum Yokoyama, 1920 [ACCEPTED SPECIES 301450:CGT4G nidx=null]
Blanus bedraigai
 - Blanus bedraigai Al-Jumaily, 1971 [SYNONYM SPECIES 300004:8828D nidx=null parent=68MDT]
 + Blanus bedraigai Al-Jumaily, 1971 [SYNONYM SPECIES 301450:LZZ8 nidx=null parent=68MDT]
Bolitophila pulveris
 - †Bolitophila pulveris Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SLL nidx=null]
 + Bolitophila pulveris Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JKJZ nidx=null]
Bombyx (Pania) phantoma
 - Bombyx (Pania) phantoma Dalman, 1823 [SYNONYM SPECIES 300004:964Q3 nidx=null parent=5GCMT]
 + Bombyx (Pania) phantoma Dalman, 1823 [SYNONYM SPECIES 301450:BPPRW nidx=null parent=5GCMT]
Borneogryllacris deschampsi
 - Borneogryllacris deschampsi (Bruner, 1915) [SYNONYM SPECIES 300004:8PXBK nidx=null parent=8PXHB]
 + Borneogryllacris deschampsi (Griffini, 1914) [ACCEPTED SPECIES 301450:CGTTW nidx=null]
Buccinum cochlidium
 - Buccinum cochlidium auct. [SYNONYM SPECIES 300004:C965F nidx=null parent=NKYP]
 + Buccinum cochlidium [SYNONYM SPECIES 301450:BFQRQ nidx=null parent=NKYP]
Bulimulus (Goniostomus)
 - Bulimulus (Goniostomus) auct. [SYNONYM SUBGENUS 300004:C9776 nidx=null parent=7P4GY]
 + Bulimulus (Goniostomus) [SYNONYM SUBGENUS 301450:BSC5G nidx=null parent=7P4GY]
Bulimulus (Naesiotus) habeli
 - Bulimulus (Naesiotus) habeli Stearns, 1892 [SYNONYM SPECIES 300004:CFKCP nidx=null parent=CG63L]
 + Bulimulus (Naesiotus) habeli Dall, 1892 [SYNONYM SPECIES 301450:CGTYJ nidx=null parent=CH9CV]
Bulimulus (Pleuropyrgus) habeli
 - Bulimulus (Pleuropyrgus) habeli Stearns, 1892 [SYNONYM SPECIES 300004:CFKCN nidx=null parent=CG63L]
 + Bulimulus (Pleuropyrgus) habeli Dall, 1892 [SYNONYM SPECIES 301450:CGTYH nidx=null parent=CH9CV]
Bulimus lita
 - Bulimus lita A. d'Orbigny, 1838 [SYNONYM SPECIES 300004:NTFK nidx=null parent=6DLD2]
 + Bulimus lita (Quoy & Gaimard, 1825) [SYNONYM SPECIES 301450:CGTZQ nidx=null parent=6DLD2]
Bythoscopus strobi
 - Bythoscopus strobi Fitch, 1851 [SYNONYM SPECIES 300004:C98XR nidx=null parent=4D88R]
 + Bythoscopus strobi Fitch, 1851 [SYNONYM SPECIES 301450:CGVB8 nidx=null parent=4D88R]
Callipara (Simililyria) aikeni kosibayensis
 - Callipara (Simililyria) aikeni kosibayensis J. H. Veldsman, 2012 [SYNONYM SUBSPECIES 300004:C6JDW nidx=null parent=B4KNK]
 + Callipara (Simililyria) aikeni kosibayensis J. H. Veldsman, 2012 [SYNONYM SUBSPECIES 301450:CGTGS nidx=null parent=B4KNK]
Callistochiton (Lophochiton)
 - Callistochiton (Lophochiton) Ashby, 1923 [SYNONYM SUBGENUS 300004:BGJ6L nidx=null parent=C4Z52]
 + Callistochiton (Lophochiton) Ashby, 1923 [SYNONYM SUBGENUS 301450:BGJ6K nidx=null parent=C4Z52]
Callobata brasiliana
 - Callobata brasiliana Rondani, 1863 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SMX nidx=null]
 + Callobata brasiliana Rondani, 1863 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JLNS nidx=null]
Capnioneura petitpierrae
 - Capnioneura petitpierrae [SYNONYM SPECIES 300004:8N8BR nidx=null parent=QQVC]
 + Capnioneura petitpierrae Aubert, 1960 [SYNONYM SPECIES 301450:CGVWY nidx=null parent=QQVC]
Capnogryllacris deschampsi
 - Capnogryllacris deschampsi (Bruner, 1915) [ACCEPTED SPECIES 300004:8PXHB nidx=null]
 + Capnogryllacris deschampsi (Griffini, 1914) [SYNONYM SPECIES 301450:CGVX7 nidx=null parent=CGTTW]
Capnogryllacris fruhstorferi fruhstorferi
 - Capnogryllacris fruhstorferi fruhstorferi (Griffini, 1908) [ACCEPTED SUBSPECIES 300004:8PLW8 nidx=null]
 + Capnogryllacris fruhstorferi fruhstorferi (Griffini, 1908) [SYNONYM SUBSPECIES 301450:5G78Z nidx=null parent=CHMVQ]
Capnogryllacris fruhstorferi pileatus
 - Capnogryllacris fruhstorferi pileatus Gorochov, 2003 [ACCEPTED SUBSPECIES 300004:8PLW9 nidx=null]
 + Capnogryllacris fruhstorferi pileatus Gorochov, 2003 [SYNONYM SUBSPECIES 301450:5G792 nidx=null parent=CHMWD]
Capnogryllacris helocephala
 - Capnogryllacris helocephala Gorochov, 2003 [ACCEPTED SPECIES 300004:8P7GM nidx=null]
 + Capnogryllacris helocephala Gorochov, 2003 [SYNONYM SPECIES 301450:QR96 nidx=null parent=CHMVS]
Capnogryllacris melanocrania
 - Capnogryllacris melanocrania (Karny, 1929) [ACCEPTED SPECIES 300004:8P7GQ nidx=null]
 + Capnogryllacris melanocrania (Karny, 1929) [SYNONYM SPECIES 301450:QR98 nidx=null parent=CHMV7]
Capnogryllacris phaeocephala
 - Capnogryllacris phaeocephala Gorochov, 2003 [ACCEPTED SPECIES 300004:8P7GV nidx=null]
 + Capnogryllacris phaeocephala Gorochov, 2003 [SYNONYM SPECIES 301450:QR9C nidx=null parent=CHMVR]
Cardicola jiigurru
 - Cardicola jiigurru Yong, Cutmore, Miller, Wee & Cribb, 2016 [ACCEPTED SPECIES 300004:CFJ7R nidx=null]
 + Cardicola jiigurru Yong, Cutmore, Miller, Wee & Cribb, 2016 [ACCEPTED SPECIES 301450:CGT4W nidx=null]
Cardiocephaloides longicollis
 - Cardiocephaloides longicollis (Rudolphi, 1819) Dubois, 1982 [ACCEPTED SPECIES 300004:R56W nidx=null]
 + Cardiocephaloides longicollis (Rudolphi, 1819) Dubois, 1978 [ACCEPTED SPECIES 301450:CGT4Y nidx=null]
Cardiomya cleryana
 - Cardiomya cleryana (A. d'Orbigny, 1842) [ACCEPTED SPECIES 300004:R5JH nidx=null]
 + Cardiomya cleryana (A. d'Orbigny, 1846) [ACCEPTED SPECIES 301450:CGT58 nidx=null]
Carduelis psaltria hesperophilus
 - Carduelis psaltria hesperophilus (Oberholser, 1903) [SYNONYM SUBSPECIES 300004:CFJCS nidx=null parent=BP36T]
 + Carduelis psaltria hesperophilus (Oberholser, 1903) [SYNONYM SUBSPECIES 301450:CGT88 nidx=null parent=BP36T]
Cassida (Cassida) flaveola
 - Cassida (Cassida) flaveola Thunberg, 1794 [ACCEPTED SPECIES 300004:7RYKH nidx=null]
 + Cassida (Cassida) flaveola Thunberg, 1794 [ACCEPTED SPECIES 301450:5XCTW nidx=null]
Catreolus ornaticollis
 - Catreolus ornaticollis [SYNONYM SPECIES 300004:9GP3B nidx=null parent=XRBP]
 + Catreolus ornaticollis (Blanchard, 1851) [SYNONYM SPECIES 301450:8PXKS nidx=null parent=XRBP]
Catreus ornaticollis
 - Catreus ornaticollis [SYNONYM SPECIES 300004:8P7L6 nidx=null parent=XRBP]
 + Catreus ornaticollis (Blanchard, 1851) [SYNONYM SPECIES 301450:RW93 nidx=null parent=XRBP]
Caulophacus (Caulophacus) arcticus var. groenlandicus
 - Caulophacus (Caulophacus) arcticus var. groenlandicus Burton, 1928 [SYNONYM VARIETY 300004:CFKS6 nidx=null parent=69F8B]
 + Caulophacus (Caulophacus) arcticus var. groenlandicus Burton, 1928 [SYNONYM VARIETY 301450:CGV8C nidx=null parent=69F8B]
Ceratonereis (Composetia) hircinicola
 - Ceratonereis (Composetia) hircinicola (Eisig, 1869) [SYNONYM SPECIES 300004:CCW5L nidx=null parent=9H3Z4]
 + Ceratonereis (Composetia) hircinicola (Eisig, 1869) [SYNONYM SPECIES 301450:CGT7Z nidx=null parent=9H3Z4]
Ceratonereis (Simplisetia) transversa
 - Ceratonereis (Simplisetia) transversa Hutchings & Turvey, 1982 [SYNONYM SPECIES 300004:C9D3Y nidx=null parent=4XG3Q]
 + Ceratonereis (Simplisetia) transversa Hutchings & Turvey, 1982 [SYNONYM SPECIES 301450:CGT85 nidx=null parent=4XG3Q]
Ceratopogon succinctus
 - Ceratopogon succinctus Wiedemann, 1818 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SQG nidx=null]
 + Ceratopogon succinctus Wiedemann, 1818 [PROVISIONALLY_ACCEPTED SPECIES 301450:9TKXV nidx=null]
Ceroxys ethiopia
 - †Ceroxys ethiopia Meunier, 1908 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SQX nidx=null]
 + Ceroxys ethiopia Meunier, 1908 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JMS5 nidx=null]
Chaenogobius castaneus
 - Chaenogobius castaneus () non O'Shaughnessy, 1875 [MISAPPLIED SPECIES 300004:CFK87 nidx=null parent=3HS77]
 + Chaenogobius castaneus () [MISAPPLIED SPECIES 301450:CGTVN nidx=null parent=3HS77]
Chaetopleura (Chaetopleura) isabellei
 - Chaetopleura (Chaetopleura) isabellei (A. d'Orbigny, 1841) [SYNONYM SPECIES 300004:TDQ4 nidx=null parent=TDR4]
 + Chaetopleura (Chaetopleura) isabellei (A. d'Orbigny, 1839) [SYNONYM SPECIES 301450:CGV4T nidx=null parent=CGV4S]
Chaetopleura isabellei
 - Chaetopleura isabellei (A. d'Orbigny, 1841) [ACCEPTED SPECIES 300004:TDR4 nidx=null]
 + Chaetopleura isabellei (A. d'Orbigny, 1839) [ACCEPTED SPECIES 301450:CGV4S nidx=null]
Chalinissa elongata var. tenuispicula
 - Chalinissa elongata var. tenuispicula Thum, 1903 [SYNONYM VARIETY 300004:857QW nidx=null parent=PWMD]
 + Chalinissa elongata var. tenuispicula Thum, 1903 [SYNONYM VARIETY 301450:857QX nidx=null parent=PWMD]
Charybdis (Gonioinfradens) paucidentatus
 - Charybdis (Gonioinfradens) paucidentatus (A. Milne-Edwards, 1861) [SYNONYM SPECIES 300004:CCYT4 nidx=null parent=6KQHG]
 + Charybdis (Gonioinfradens) paucidentatus (A. Milne-Edwards, 1861) [SYNONYM SPECIES 301450:CGVGN nidx=null parent=6KQHG]
Cheilosia nigroapicata
 - Cheilosia nigroapicata Curran, 1926 [ACCEPTED SPECIES 300004:92LQG nidx=null]
 + Cheilosia nigroapicata Curran, 1926 [ACCEPTED SPECIES 301450:TSRZ nidx=null]
Cheilosia nigrofasciata
 - Cheilosia nigrofasciata Curran, 1926 [ACCEPTED SPECIES 300004:92LQH nidx=null]
 + Cheilosia nigrofasciata Curran, 1926 [ACCEPTED SPECIES 301450:TSS3 nidx=null]
Cheilosialepta baltica
 - †Cheilosialepta baltica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SRQ nidx=null]
 + Cheilosialepta baltica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JMVJ nidx=null]
Chelidura albipennis
 - Chelidura albipennis [SYNONYM SPECIES 300004:BWLR4 nidx=null parent=8MWTL]
 + Chelidura albipennis (von Muhlfeld, 1825) [SYNONYM SPECIES 301450:CGVVY nidx=null parent=682DK]
Chiaja
 - Chiaja auct. [SYNONYM GENUS 300004:C9CS5 nidx=null parent=7P7D6]
 + Chiaja [SYNONYM GENUS 301450:CGVY6 nidx=null parent=7P7D6]
Chironomus articuliferus
 - Chironomus articuliferus Blanchard, 1854 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SS8 nidx=null]
 + Chironomus articuliferus Blanchard, 1854 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JMXR nidx=null]
Chironomus tessellatus
 - Chironomus tessellatus Blanchard, 1854 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SSN nidx=null]
 + Chironomus tessellatus Blanchard, 1854 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JN5Q nidx=null]
Chironomus tripartitus
 - Chironomus tripartitus Kieffer, 1910 [SYNONYM SPECIES 300004:889BF nidx=null parent=CDWTT]
 + Chironomus tripartitus Kieffer, 1910 [SYNONYM SPECIES 301450:5Y6FG nidx=null parent=CDWTT]
Chiton isabellei
 - Chiton isabellei A. d'Orbigny, 1841 [SYNONYM SPECIES 300004:BFS4N nidx=null parent=TDR4]
 + Chiton isabellei A. d'Orbigny, 1839 [SYNONYM SPECIES 301450:CGWKT nidx=null parent=CGV4S]
Chiton tehuelchus
 - Chiton tehuelchus A. d'Orbigny, 1841 [SYNONYM SPECIES 300004:BH24F nidx=null parent=TDQL]
 + Chiton tehuelchus A. d'Orbigny, 1839 [SYNONYM SPECIES 301450:CGWKW nidx=null parent=TDQL]
Chondropometes (Chondropometes) vignalense poenitentis
 - Chondropometes (Chondropometes) vignalense poenitentis de la Torre & Bartsch, 193 [SYNONYM SUBSPECIES 300004:9ZQTW nidx=null parent=B74XP]
 + Chondropometes (Chondropometes) vignalense poenitentis C. de la Torre & Bartsch, 1938 [SYNONYM SUBSPECIES 301450:CGV75 nidx=null parent=CGV74]
Chondropometes vignalense poenitentis
 - Chondropometes vignalense poenitentis de la Torre & Bartsch, 1938 [ACCEPTED SUBSPECIES 300004:B74XP nidx=null]
 + Chondropometes vignalense poenitentis C. de la Torre & Bartsch, 1938 [ACCEPTED SUBSPECIES 301450:CGV74 nidx=null]
Chondrothyra gundlachi deviata
 - Chondrothyra gundlachi deviata (de la Torre & Bartsch, 1838) [ACCEPTED SUBSPECIES 300004:8VQ8N nidx=null]
 + Chondrothyra gundlachi deviata (C. de la Torre & Bartsch, 1938) [ACCEPTED SUBSPECIES 301450:CGV7B nidx=null]
Chondrothyretes parilis amoena
 - Chondrothyretes parilis amoena de la Torre & Bartsch, 1838 [SYNONYM SUBSPECIES 300004:B2LCZ nidx=null parent=7TS7Y]
 + Chondrothyretes parilis amoena C. de la Torre & Bartsch, 1938 [SYNONYM SUBSPECIES 301450:CGV7J nidx=null parent=7TS7Y]
Chortophila liturata
 - Chortophila liturata Rondani, 1868 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SSZ nidx=null]
 + Chortophila liturata Rondani, 1868 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JN92 nidx=null]
Chortophila varipes
 - Chortophila varipes Pokorny, 1889 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ST2 nidx=null]
 + Chortophila varipes Pokorny, 1889 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JN9D nidx=null]
Chremistica seminigra
 - Chremistica seminigra (Distant, 1909) [ACCEPTED SPECIES 300004:8KL9V nidx=null]
 + Chremistica seminigra (Distant, 1909) [ACCEPTED SPECIES 301450:5YFCR nidx=null]
Chrysalis
 - Chrysalis auct. [SYNONYM GENUS 300004:C99LW nidx=null parent=7NZZN]
 + Chrysalis [SYNONYM GENUS 301450:BG9MW nidx=null parent=7NZZN]
Cicada aethyops
 - Cicada aethyops Schrank, 1781 [SYNONYM SPECIES 300004:C6QY4 nidx=null parent=76Q6T]
 + Cicada aethyops Schrank, 1781 [SYNONYM SPECIES 301450:CGW2C nidx=null parent=76Q6T]
Cicada fusconervosa
 - Cicada fusconervosa Stål, 1855 [SYNONYM SPECIES 300004:8HY7J nidx=null parent=8JNK7]
 + Cicada fusconervosa Stål, 1855 [SYNONYM SPECIES 301450:V5QZ nidx=null parent=8JNK7]
Cicada ochracea
 - Cicada ochracea (Walker, 1850) [SYNONYM SPECIES 300004:CCZT5 nidx=null parent=8JJ7R]
 + Cicada ochracea (Walker, 1850) [SYNONYM SPECIES 301450:CGW2L nidx=null parent=8JJ7R]
Cicada steveni
 - Cicada steveni Stål, 1854 [AMBIGUOUS_SYNONYM SPECIES 300004:8HYJ9 nidx=null parent=4NB3L]
 + Cicada steveni Stål, 1854 [AMBIGUOUS_SYNONYM SPECIES 301450:V69T nidx=null parent=4NB3L]
Cicindela circumflexa
 - Cicindela circumflexa Beuthin, 1894 unavailable name [AMBIGUOUS_SYNONYM SPECIES 300004:C6RCN nidx=null parent=8MLTQ]
 + Cicindela circumflexa Beuthin, 1893 [AMBIGUOUS_SYNONYM SPECIES 301450:CGW6M nidx=null parent=8LW8X]
 + Cicindela circumflexa Beuthin, 1894 [AMBIGUOUS_SYNONYM SPECIES 301450:CGW6N nidx=null parent=8MLTQ]
 + Cicindela circumflexa Beuthin, 1893 [AMBIGUOUS_SYNONYM SPECIES 301450:CGW6P nidx=null parent=V888]
Cicindela marginalis
 - Cicindela marginalis Beuthin, 1895 unavailable name [AMBIGUOUS_SYNONYM SPECIES 300004:C9DJ5 nidx=null parent=8MG6Q]
 + Cicindela marginalis Beuthin, 1895 [AMBIGUOUS_SYNONYM SPECIES 301450:CGW8J nidx=null parent=8MG6Q]
 + Cicindela marginalis Beuthin, 1894 [AMBIGUOUS_SYNONYM SPECIES 301450:CGW8K nidx=null parent=5XJPZ]
Cidaris (Diadema)
 - Cidaris (Diadema) Gray, 1825 [SYNONYM SUBGENUS 300004:CFLTG nidx=null parent=7NW5M]
 + Cidaris (Diadema) Gray, 1825 [SYNONYM SUBGENUS 301450:CGW44 nidx=null parent=7NW5M]
Cidarites
 - Cidarites auct. [PROVISIONALLY_ACCEPTED GENUS 300004:C9DPW nidx=null]
 - Cidarites auct. [SYNONYM GENUS 300004:C9DPX nidx=null parent=7NSWK]
 + Cidarites [PROVISIONALLY_ACCEPTED GENUS 301450:62LB2 nidx=null]
 + Cidarites [SYNONYM GENUS 301450:BG9NV nidx=null parent=7NSWK]
Cirratulus tentaculatus meridionalis
 - Cirratulus tentaculatus meridionalis Marenzeller, 1887 [SYNONYM SUBSPECIES 300004:85S6Q nidx=null parent=5DVGR]
 + Cirratulus tentaculatus meridionalis Marenzeller, 1887 [SYNONYM SUBSPECIES 301450:5GGLX nidx=null parent=5DVGR]
Cistena pallassii
 - Cistena pallassii Leach, 1816 [SYNONYM SPECIES 300004:852L6 nidx=null parent=75VKH]
 + Cistena pallassii Leach, 1816 [SYNONYM SPECIES 301450:VLD8 nidx=null parent=75VKH]
Claassenia subulosa
 - Claassenia subulosa [SYNONYM SPECIES 300004:8NGNR nidx=null parent=VN7K]
 + Claassenia subulosa Banks, 1900 [SYNONYM SPECIES 301450:CGX2H nidx=null parent=VN7K]
Clanculus miniatus
 - Clanculus miniatus auct. [AMBIGUOUS_SYNONYM SPECIES 300004:C99KL nidx=null parent=VQTK]
 + Clanculus miniatus [AMBIGUOUS_SYNONYM SPECIES 301450:VQS4 nidx=null parent=VQTK]
Clathria (Wilsonella) australiensis var. spinulata
 - Clathria (Wilsonella) australiensis var. spinulata Hentschel, 1911 [SYNONYM VARIETY 300004:C489W nidx=null parent=VSFT]
 + Clathria (Wilsonella) australiensis var. spinulata Hentschel, 1911 [SYNONYM VARIETY 301450:CGX6X nidx=null parent=VSFT]
Clytemnestra tenuis
 - Clytemnestra tenuis Lubbock, 1863 [ACCEPTED SPECIES 300004:5ZFPC nidx=null]
 + Clytemnestra tenuis Lubbock, 1860-1862 [ACCEPTED SPECIES 301450:CGW79 nidx=null]
Cnidopus veratra
 - Cnidopus veratra (Drayton in Dana, 1846) [SYNONYM SPECIES 300004:CFM66 nidx=null parent=JRGV]
 + Cnidopus veratra (Drayton in Dana, 1846) [SYNONYM SPECIES 301450:CGWDZ nidx=null parent=JRGV]
Coelopleurus floridanus interruptus
 - Coelopleurus floridanus interruptus Döderlein, 1910 [SYNONYM SUBSPECIES 300004:CFMWJ nidx=null parent=WSJC]
 + Coelopleurus floridanus interruptus Döderlein, 1910 [SYNONYM SUBSPECIES 301450:CGWYC nidx=null parent=WSJC]
Coelosphaera (Coelosphaera) appendiculata antarctica
 - Coelosphaera (Coelosphaera) appendiculata antarctica Koltun, 1976 [SYNONYM SUBSPECIES 300004:CD36F nidx=null parent=WSY8]
 + Coelosphaera (Coelosphaera) appendiculata antarctica Koltun, 1976 [SYNONYM SUBSPECIES 301450:CGWYJ nidx=null parent=WSY8]
Coelosphaera (Coelosphaera) dichela var. gracilis
 - Coelosphaera (Coelosphaera) dichela var. gracilis (Hentschel, 1912) [SYNONYM VARIETY 300004:CFMWT nidx=null parent=WSYN]
 + Coelosphaera (Coelosphaera) dichela var. gracilis (Hentschel, 1912) [SYNONYM VARIETY 301450:CGWYK nidx=null parent=WSYN]
Colombella fusiformis
 - Colombella fusiformis A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:9J8MD nidx=null parent=43QZ3]
 + Colombella fusiformis A. d'Orbigny, 1844 [SYNONYM SPECIES 301450:CGXDV nidx=null parent=43QZ3]
Colpocephalum haliaeti
 - Colpocephalum haliaeti Denny, 1842 [SYNONYM SPECIES 300004:8MY8G nidx=null parent=3RG62]
 + Colpocephalum haliaeti Denny, 1842 [SYNONYM SPECIES 301450:5ZMKK nidx=null parent=3RG62]
Colpodota (Solenia)
 - Colpodota (Solenia) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 300004:CD44Q nidx=null parent=9JBB5]
 + Colpodota (Solenia) Mulsant & Rey, 1873 [SYNONYM SUBGENUS 301450:CGXG4 nidx=null parent=9JBB5]
 + Colpodota (Solenia) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 301450:CGXG5 nidx=null parent=9JBB5]
Columbella (Alia)
 - Columbella (Alia) H. Adams & A. Adams, 1853 [SYNONYM SUBGENUS 300004:CFDVL nidx=null parent=7NNJW]
 + Columbella (Alia) H. Adams & A. Adams, 1853 [SYNONYM SUBGENUS 301450:CGQLK nidx=null parent=7NNJW]
Columbella fusiformis
 - Columbella fusiformis A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:BFT2Q nidx=null parent=43QZ3]
 + Columbella fusiformis A. d'Orbigny, 1844 [SYNONYM SPECIES 301450:CGXJ9 nidx=null parent=43QZ3]
Conus (Cylinder) priscai
 - Conus (Cylinder) priscai Bozzetti, 2012 [SYNONYM SPECIES 300004:CFM32 nidx=null parent=XWX2]
 + Conus (Cylinder) priscai Bozzetti, 2012 [SYNONYM SPECIES 301450:CGWBC nidx=null parent=XWX2]
Conus (Darioconus) miniturritus
 - Conus (Darioconus) miniturritus Bozzetti, 2017 [SYNONYM SPECIES 300004:CFLZD nidx=null parent=XY3V]
 + Conus (Darioconus) miniturritus Bozzetti, 2017 [SYNONYM SPECIES 301450:CGW8S nidx=null parent=XY3V]
Conus (Leptoconus) zukiae
 - Conus (Leptoconus) zukiae Shikama, 1979 [SYNONYM SPECIES 300004:C6TYY nidx=null parent=XXVP]
 + Conus (Leptoconus) zukiae Shikama, 1979 [SYNONYM SPECIES 301450:CGWCY nidx=null parent=XXVP]
Conus (Virgiconus) tamikoae
 - Conus (Virgiconus) tamikoae Shikama, 1973 [SYNONYM SPECIES 300004:CD26L nidx=null parent=XXNM]
 + Conus (Virgiconus) tamikoae Shikama, 1973 [SYNONYM SPECIES 301450:CGWCG nidx=null parent=XXNM]
Cordylura aea
 - Cordylura aea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3T4Y nidx=null]
 + Cordylura aea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JNW9 nidx=null]
Corocolla
 - Corocolla auct. [SYNONYM GENUS 300004:C9CQK nidx=null parent=7NRVB]
 + Corocolla [SYNONYM GENUS 301450:BGB8R nidx=null parent=7NRVB]
Cosmetodon
 - Cosmetodon C. C. Branson, 1842 [SYNONYM GENUS 300004:C4YD8 nidx=null parent=7P4JB]
 + Cosmetodon C. C. Branson, 1942 [SYNONYM GENUS 301450:CGXK6 nidx=null parent=7P4JB]
Cosmosciara hartii
 - Cosmosciara hartii (Johannsen, 1912) [ACCEPTED SPECIES 300004:8BLH2 nidx=null]
 + Cosmosciara hartii (Johannsen, 1912) [ACCEPTED SPECIES 301450:8BLH3 nidx=null]
Cossmannea desvoidyi
 - Cossmannea desvoidyi [SYNONYM SPECIES 300004:C5X5M nidx=null parent=9FYY5]
 + Cossmannea desvoidyi (A. d'Orbigny, 1850) [ACCEPTED SPECIES 301450:CGXMJ nidx=null]
Craspedosoma mexicanum
 - Craspedosoma mexicanum Humbert & De Saussure, 1869 [SYNONYM SPECIES 300004:CFPC7 nidx=null parent=VWYJ]
 + Craspedosoma mexicanum Humbert & De Saussure, 1869 [SYNONYM SPECIES 301450:CGXZS nidx=null parent=VWYJ]
Cricotopus (Isocladius) stenosandalum
 - Cricotopus (Isocladius) stenosandalum Kieffer, 1921 [ACCEPTED SPECIES 300004:BZ6D8 nidx=null]
 + Cricotopus (Isocladius) stenosandalum Kieffer, 1921 [ACCEPTED SPECIES 301450:CGYH3 nidx=null]
Cryptomyzus (Cryptomyzus) alboapicalis
 - Cryptomyzus (Cryptomyzus) alboapicalis [ACCEPTED SPECIES 300004:BWNDF nidx=null]
 + Cryptomyzus (Cryptomyzus) alboapicalis [ACCEPTED SPECIES 301450:CGX7F nidx=null]
Ctenophorocera polleniina
 - Ctenophorocera polleniina Bezzi, 1908 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3T9S nidx=null]
 + Ctenophorocera polleniina Bezzi, 1908 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JP34 nidx=null]
Cubatea
 - †Cubatea Kiel, 2013 [ACCEPTED GENUS 300004:8PP3V nidx=null]
 + Cubatea Kiel, K. A. Campbell & C. Gaillard, 2010 [ACCEPTED GENUS 301450:CGXFT nidx=null]
Culex (Culex) mimeticus
 - Culex (Culex) mimeticus Noè, 1899 [ACCEPTED SPECIES 300004:8BML9 nidx=null]
 + Culex (Culex) mimeticus Noè, 1899 [ACCEPTED SPECIES 301450:32BHJ nidx=null]
Culex escomeli
 - Culex escomeli Brèthes, 1920 [SYNONYM SPECIES 300004:88FC9 nidx=null parent=8BMH5]
 + Culex escomeli Brèthes, 1920 [SYNONYM SPECIES 301450:32B68 nidx=null parent=8BMH5]
Culex fossilis
 - †Culex fossilis Brodie, 1845 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3TB4 nidx=null]
 + Culex fossilis Brodie, 1845 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JP45 nidx=null]
Cyana (Clerckia) meyricci
 - Cyana (Clerckia) meyricci Hampson, 1914 [SYNONYM SPECIES 300004:BPT2S nidx=null parent=BFNT5]
 + Cyana (Clerckia) meyricci Hampson, 1914 [SYNONYM SPECIES 301450:96HYW nidx=null parent=BFNT5]
Cyclas fontainei
 - Cyclas fontainei A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:32STW nidx=null parent=4LBDJ]
 + Cyclas fontainei A. d'Orbigny, 1846 [SYNONYM SPECIES 301450:CGY4J nidx=null parent=CHC9Z]
Cyclocibicides vermiculatus
 - Cyclocibicides vermiculatus (d'Orbigny, 1826) [ACCEPTED SPECIES 300004:C4RRZ nidx=null]
 + Cyclocibicides vermiculatus (d'Orbigny, 1826) [ACCEPTED SPECIES 301450:6BSDQ nidx=null]
Cylindrella garciana
 - Cylindrella garciana L. Pfeiffer, 1866 [SYNONYM SPECIES 300004:8TXV9 nidx=null parent=8TYGV]
 + Cylindrella garciana Presas, 1865 [SYNONYM SPECIES 301450:CGYHK nidx=null parent=8TYGV]
Cystocoelia immaculata
 - Cystocoelia immaculata [SYNONYM SPECIES 300004:8P8R8 nidx=null parent=NTYY]
 + Cystocoelia immaculata (Thunberg, 1775) [SYNONYM SPECIES 301450:33PPV nidx=null parent=NTYY]
Daptonema crassissimus
 - Daptonema crassissimus (Ditlevsen, 1911) [SYNONYM SPECIES 300004:BMVJ2 nidx=null parent=BSZ86]
 + Daptonema crassissimus (Ditlevsen, 1911) [SYNONYM SPECIES 301450:BJWJF nidx=null parent=BSZ86]
Dasypogon (Saropogon) chalybeiventris
 - Dasypogon (Saropogon) chalybeiventris Loew, 1851 [SYNONYM SPECIES 300004:88JBC nidx=null parent=8B38Z]
 + Dasypogon (Saropogon) chalybeiventris Loew, 1851 [SYNONYM SPECIES 301450:349LG nidx=null parent=8B38Z]
Degeeria mexicana
 - Degeeria mexicana Giglio-Tos, 1893 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3TJM nidx=null]
 + Degeeria mexicana Giglio-Tos, 1893 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JPZL nidx=null]
Deltocephalus thenii
 - Deltocephalus thenii Edwards, 1915 [SYNONYM SPECIES 300004:C9K42 nidx=null parent=4ND7Q]
 + Deltocephalus thenii Edwards, 1915 [SYNONYM SPECIES 301450:CGYDX nidx=null parent=4ND7Q]
Deltocephalus tiaratus
 - Deltocephalus tiaratus Fieber, 1869 [SYNONYM SPECIES 300004:CFPVZ nidx=null parent=C9P8R]
 + Deltocephalus tiaratus Fieber, 1869 [SYNONYM SPECIES 301450:CGYDY nidx=null parent=C9P8R]
Dendroconus (Strioconus)
 - Dendroconus (Strioconus) Thiele, 1929 [SYNONYM SUBGENUS 300004:CFPLM nidx=null parent=7NTGM]
 + Dendroconus (Strioconus) Thiele, 1929 [SYNONYM SUBGENUS 301450:CGY6P nidx=null parent=7NTGM]
Dendromyia (Calladimyia) melanoides
 - Dendromyia (Calladimyia) melanoides Root, 1928 [SYNONYM SPECIES 300004:88JM9 nidx=null parent=5C4BH]
 + Dendromyia (Calladimyia) melanoides Root, 1928 [SYNONYM SPECIES 301450:34QNS nidx=null parent=5C4BH]
Dendronephthya (Dendronephthya) celosia
 - Dendronephthya (Dendronephthya) celosia (Lesson, 1834) [SYNONYM SPECIES 300004:CFQ6G nidx=null parent=6ZRKK]
 + Dendronephthya (Dendronephthya) celosia (Lesson, 1834) [SYNONYM SPECIES 301450:CGYLS nidx=null parent=6ZRKK]
Dendropoma annulatus
 - Dendropoma annulatus auct. [SYNONYM SPECIES 300004:C9KWB nidx=null parent=34S2Y]
 + Dendropoma annulatus [SYNONYM SPECIES 301450:34S2W nidx=null parent=34S2Y]
Derbyia hardmani
 - †Derbyia hardmani Archbold, 1993 [ACCEPTED SPECIES 300004:CD6Z8 nidx=null]
 + Derbyia hardmani Thomas, 1958 [ACCEPTED SPECIES 301450:CGZ27 nidx=null]
Dermatodidymocystis indicus
 - Dermatodidymocystis indicus Nikolaeva & Dubina, 1978 [SYNONYM SPECIES 300004:7VPS4 nidx=null parent=4JNFN]
 + Dermatodidymocystis indicus Nikolaeva & Dubina, 1978 [SYNONYM SPECIES 301450:34X2D nidx=null parent=4JNFN]
Dermomurex (Dermomurex)
 - Dermomurex (Dermomurex) Monterosato, 1890 [SYNONYM SUBGENUS 300004:CFFJS nidx=null parent=7NVT5]
 + Dermomurex (Dermomurex) Monterosato, 1890 [SYNONYM SUBGENUS 301450:CGR6T nidx=null parent=7NVT5]
Desmia intermicalus
 - Desmia intermicalus Druce [SYNONYM SPECIES 300004:BMQHW nidx=null parent=3529V]
 + Desmia intermicalus Druce [SYNONYM SPECIES 301450:CGZ75 nidx=null parent=3529V]
Diaulula hispida
 - Diaulula hispida (A. d'Orbigny, 1834) [ACCEPTED SPECIES 300004:35GKX nidx=null]
 + Diaulula hispida (A. d'Orbigny, 1836) [ACCEPTED SPECIES 301450:CGY39 nidx=null]
Dichelacera abiens
 - Dichelacera abiens Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3TKF nidx=null]
 + Dichelacera abiens Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JQ6L nidx=null]
Didemnum psammathodes
 - Didemnum psammathodes (Sluiter, 1895) [SYNONYM SPECIES 300004:CFQ83 nidx=null parent=35WTJ]
 + Didemnum psammathodes (Sluiter, 1895) [SYNONYM SPECIES 301450:CGYNB nidx=null parent=35WTJ]
Didymodiclinus kovaljovae
 - Didymodiclinus kovaljovae (Nikolaeva & Gaevskaja, 1985) Pozdnyakov, 1994 [ACCEPTED SPECIES 300004:84869 nidx=null]
 + Didymodiclinus kovaljovae (Nikolaeva & Gaevskaja, 1985) Pozdnyakov, 1994 [ACCEPTED SPECIES 301450:35YSQ nidx=null]
Diestrammena (Tachycines) coreana
 - Diestrammena (Tachycines) coreana [SYNONYM SPECIES 300004:8P8YV nidx=null parent=7BF6G]
 + Diestrammena (Tachycines) coreana (Yamasaki, 1969) [SYNONYM SPECIES 301450:362NM nidx=null parent=CHHHF]
Diplodon diluvii
 - †Diplodon diluvii (A. d'Orbigny, 1843) [ACCEPTED SPECIES 300004:8Z67D nidx=null]
 + Diplodon diluvii (A. d'Orbigny, 1839) [ACCEPTED SPECIES 301450:CGZQR nidx=null]
Diplosis fleothripetiperda
 - Diplosis fleothripetiperda Del Guercio, 1931 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3TQ6 nidx=null]
 + Diplosis fleothripetiperda Del Guercio, 1931 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JQ89 nidx=null]
Diplostomum heronei
 - Diplostomum heronei Srivastava, 1954 [ACCEPTED SPECIES 300004:9X756 nidx=null]
 + Diplostomum heronei Srivastava, 1956 [ACCEPTED SPECIES 301450:CGZW8 nidx=null]
Diuraphis (Diuraphis) noxia
 - Diuraphis (Diuraphis) noxia (Mordvilko, 1913) [ACCEPTED SPECIES 300004:CFPWX nidx=null]
 + Diuraphis (Diuraphis) noxia (Mordvilko, 1913) [ACCEPTED SPECIES 301450:8P93Y nidx=null]
Docophorus rotundus
 - Docophorus rotundus Rudow, 1869 [SYNONYM SPECIES 300004:8MYW7 nidx=null parent=7L2FG]
 + Docophorus rotundus Rudow, 1869 [SYNONYM SPECIES 301450:37398 nidx=null parent=7L2FG]
Donacilla solenoides
 - Donacilla solenoides A. d'Orbigny, 1845 [SYNONYM SPECIES 300004:379FS nidx=null parent=CH9Z]
 + Donacilla solenoides (P. P. King, 1832) [SYNONYM SPECIES 301450:CGYS5 nidx=null parent=3464C]
Donax (Tembrockia)
 - Donax (Tembrockia) Glibert & van de Poe!, 1967 [SYNONYM SUBGENUS 300004:BGSB8 nidx=null parent=7NXCF]
 + Donax (Tembrockia) Glibert & Van de Poel, 1967 [SYNONYM SUBGENUS 301450:CGYT4 nidx=null parent=7NXCF]
Doris hispida
 - Doris hispida A. d'Orbigny, 1834 [SYNONYM SPECIES 300004:37DFS nidx=null parent=35GKX]
 + Doris hispida A. d'Orbigny, 1836 [SYNONYM SPECIES 301450:CGZ45 nidx=null parent=CGY39]
Dorylaimus (Longidorus) diversicaudatus
 - Dorylaimus (Longidorus) diversicaudatus Micoletzky, 1927 [SYNONYM SPECIES 300004:8G7NW nidx=null parent=BVBLG]
 + Dorylaimus (Longidorus) diversicaudatus Micoletzky, 1923 [SYNONYM SPECIES 301450:CGZ6T nidx=null parent=BVBLG]
Drosophila cinerella
 - Drosophila cinerella Fallén, 1823 [SYNONYM SPECIES 300004:88MJQ nidx=null parent=8BT6R]
 + Drosophila cinerella Fallén, 1823 [SYNONYM SPECIES 301450:6DM4R nidx=null parent=8BT6R]
Drylix parallelus
 - Drylix parallelus (Van Duzee, 1891) [SYNONYM SPECIES 300004:CFSSH nidx=null parent=72F8Y]
 + Drylix parallelus (Van Duzee, 1891) [SYNONYM SPECIES 301450:CGZRP nidx=null parent=72F8Y]
Dundubia fasciceps
 - Dundubia fasciceps Stål, 1854 [SYNONYM SPECIES 300004:8J37N nidx=null parent=8JJ7R]
 + Dundubia fasciceps Stål, 1854 [SYNONYM SPECIES 301450:382M6 nidx=null parent=8JJ7R]
Dyadimyia aurea
 - Dyadimyia aurea Séguy, 1937 [SYNONYM SPECIES 300004:88NR4 nidx=null parent=C2RY2]
 + Dyadimyia aurea Séguy, 1937 [SYNONYM SPECIES 301450:385HX nidx=null parent=C2RY2]
Dynatosoma gracile
 - Dynatosoma gracile Kertész, 1901 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3V3P nidx=null]
 + Dynatosoma gracile Kertész, 1901 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JQK5 nidx=null]
Echinus (Tripneustes) sardica
 - Echinus (Tripneustes) sardica auct. [SYNONYM SPECIES 300004:C9NC8 nidx=null parent=58YW5]
 + Echinus (Tripneustes) sardica [SYNONYM SPECIES 301450:BSB93 nidx=null parent=58YW5]
Eginea almerae
 - †Eginea almerae (L. M. Vidal, 1898) [ACCEPTED SPECIES 300004:6DYX9 nidx=null]
 + Eginea almerae (Cossmann, 1898) [ACCEPTED SPECIES 301450:CGZ6Z nidx=null]
Ellesmerocerida
 - †Ellesmerocerida [PROVISIONALLY_ACCEPTED ORDER 300004:C2KFP nidx=null]
 - Ellesmerocerida [SYNONYM ORDER 300004:C5HS5 nidx=null parent=CD8GN]
 + Ellesmerocerida Flower, 1950 [SYNONYM ORDER 301450:CGZTD nidx=null parent=CD8GN]
Embrikstrandia inexpectata
 - Embrikstrandia inexpectata Podaný, 1968 [ACCEPTED SPECIES 300004:CFT4J nidx=null]
 + Embrikstrandia inexpectata Podaný, 1968 [ACCEPTED SPECIES 301450:CGZY6 nidx=null]
Empis (Anacrostichus) pachymorion
 - Empis (Anacrostichus) pachymorion Frey, 1935 [ACCEPTED SPECIES 300004:8BZ2N nidx=null]
 + Empis (Anacrostichus) pachymorion Frey, 1935 [ACCEPTED SPECIES 301450:39JJJ nidx=null]
Enterocolinae
 - Enterocolinae Chatton & Hatton, 1924 [SYNONYM SUBFAMILY 300004:7ZFPF nidx=null parent=7NJCM]
 + Enterocolinae Chatton & Hatton, 1922 [SYNONYM SUBFAMILY 301450:CH2L8 nidx=null parent=7NJCM]
Eocapnia shigaensis
 - Eocapnia shigaensis Kawai, 1967 [ACCEPTED SPECIES 300004:6FJ2L nidx=null]
 + Eocapnia shigaensis Illies, 1966 [ACCEPTED SPECIES 301450:6FJ2N nidx=null]
Eomonotis setakanensis
 - †Eomonotis setakanensis (Kiparisova, 1936) [ACCEPTED SPECIES 300004:B3D9D nidx=null]
 + Eomonotis setakanensis (Kiparisova, 1961) [ACCEPTED SPECIES 301450:CH2V9 nidx=null]
Eoschizopera (Praeoschizopera)
 - Eoschizopera (Praeoschizopera) [PROVISIONALLY_ACCEPTED SUBGENUS 300004:BS9PZ nidx=null]
 - Eoschizopera (Praeoschizopera) [SYNONYM SUBGENUS 300004:BS9Q2 nidx=null parent=7NYVC]
 + Eoschizopera (Praeoschizopera) Apostolov, 1982 [PROVISIONALLY_ACCEPTED SUBGENUS 301450:CH2X8 nidx=null]
 + Eoschizopera (Praeoschizopera) Apostolov, 1982 [SYNONYM SUBGENUS 301450:CH2X9 nidx=null parent=7NYVC]
Ephippium nigerrima
 - Ephippium nigerrima Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3V9Z nidx=null]
 + Ephippium nigerrima Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JQR6 nidx=null]
Epidapus (Epidapus) microthorax
 - Epidapus (Epidapus) microthorax (Börner, 1903) [ACCEPTED SPECIES 300004:8C2KW nidx=null]
 + Epidapus (Epidapus) microthorax (Börner, 1903) [ACCEPTED SPECIES 301450:6FQHY nidx=null]
Epidapus (Epidapus) schillei
 - Epidapus (Epidapus) schillei (Börner, 1903) [ACCEPTED SPECIES 300004:8C2KY nidx=null]
 + Epidapus (Epidapus) schillei (Börner, 1903) [ACCEPTED SPECIES 301450:6FQHV nidx=null]
Epidapus absoloni
 - Epidapus absoloni Czižek, 1915 [SYNONYM SPECIES 300004:88R6T nidx=null parent=8C2KY]
 + Epidapus absoloni Czižek, 1915 [SYNONYM SPECIES 301450:6G2H7 nidx=null parent=6FQHV]
Epiphragmophora (Micrarionta) guadalupiana
 - Epiphragmophora (Micrarionta) guadalupiana (Pilsbry & Vanatta, 1898) [SYNONYM SPECIES 300004:B8TJN nidx=null parent=B862T]
 + Epiphragmophora (Micrarionta) guadalupiana Dall, 1898 [SYNONYM SPECIES 301450:CGZ78 nidx=null parent=42QPH]
Epiphragmophora guadelupiana
 - Epiphragmophora guadelupiana Pilsbry & Vanatta, 1898 [SYNONYM SPECIES 300004:B8PZL nidx=null parent=B862T]
 + Epiphragmophora guadelupiana Dall, 1898 [SYNONYM SPECIES 301450:CGZ79 nidx=null parent=42QPH]
Erax nervosus
 - Erax nervosus Macquart, 1838 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VFS nidx=null]
 + Erax nervosus Macquart, 1838 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JQS4 nidx=null]
Eristalis (Eoseristalis) sylvarum
 - Eristalis (Eoseristalis) sylvarum Meigen, 1838 [ACCEPTED SPECIES 300004:BZ8CY nidx=null]
 + Eristalis (Eoseristalis) sylvarum Meigen, 1838 [ACCEPTED SPECIES 301450:CH244 nidx=null]
Eristalis lapideus
 - †Eristalis lapideus Scudder, 1877 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VHY nidx=null]
 + Eristalis lapideus Scudder, 1877 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JQTJ nidx=null]
Eristalis paucisinuatus
 - †Eristalis paucisinuatus Théobald, 1937 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3RK8 nidx=null]
 + Eristalis paucisinuatus Théobald, 1937 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JQTL nidx=null]
Erycina petitiana
 - Erycina petitiana A. d'Orbigny, 1846 [SYNONYM SPECIES 300004:6GQFY nidx=null parent=3SBTN]
 + Erycina petitiana (Récluz, 1843) [SYNONYM SPECIES 301450:CH288 nidx=null parent=3SBTN]
Erythroneura (Erythridula)
 - Erythroneura (Erythridula) Young, 1952 [SYNONYM SUBGENUS 300004:C938C nidx=null parent=BXXG9]
 + Erythroneura (Erythridula) Young, 1952 [SYNONYM SUBGENUS 301450:CGRGG nidx=null parent=BXXG9]
Ethoiulus
 - Ethoiulus auct. [SYNONYM GENUS 300004:C9SHR nidx=null parent=7NZ6Y]
 + Ethoiulus [SYNONYM GENUS 301450:62RGQ nidx=null parent=7NZ6Y]
Eucyclops serrulatus defectus
 - Eucyclops serrulatus defectus Lindberg, 1955 [ACCEPTED SUBSPECIES 300004:7ZH4M nidx=null]
 + Eucyclops serrulatus defectus Lindberg, 1937 [ACCEPTED SUBSPECIES 301450:CH32G nidx=null]
Eudendrium arbusculum
 - Eudendrium arbusculum Hincks, 1868 [SYNONYM SPECIES 300004:3BZHB nidx=null parent=3BZHC]
 + Eudendrium arbusculum Wright, 1859 [SYNONYM SPECIES 301450:CH33T nidx=null parent=3BZHC]
Eunice gunneri
 - Eunice gunneri Storm, 1879 [SYNONYM SPECIES 300004:3CF77 nidx=null parent=6GYJV]
 + Eunice gunneri (Storm, 1881) [SYNONYM SPECIES 301450:CGZND nidx=null parent=6GYJV]
Eurigaster postica
 - Eurigaster postica Walker, 1861 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VKT nidx=null]
 + Eurigaster postica Walker, 1861 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JQZK nidx=null]
Eurigaster strigosa
 - Eurigaster strigosa Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VKV nidx=null]
 + Eurigaster strigosa Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JQZQ nidx=null]
Euvola papyracea
 - Euvola papyracea auct. [SYNONYM SPECIES 300004:C9RGH nidx=null parent=6HJYF]
 + Euvola papyracea [SYNONYM SPECIES 301450:6HJZT nidx=null parent=6HJYF]
Exumellina bucculenta
 - Exumellina bucculenta Fosshagen & Iliffe, 1998 [ACCEPTED SPECIES 300004:3DQPN nidx=null]
 + Exumellina bucculenta Fosshagen, in: Fosshagen & Iliffe, 1998 [ACCEPTED SPECIES 301450:CH35X nidx=null]
Farcimen alutaceum digitale
 - Farcimen alutaceum digitale (Gundlach, 1857) [ACCEPTED SUBSPECIES 300004:7TV9M nidx=null]
 + Farcimen alutaceum digitale (L. Pfeiffer, 1857) [ACCEPTED SUBSPECIES 301450:CGZCF nidx=null]
Fasciolaria distans
 - Fasciolaria distans auct. [SYNONYM SPECIES 300004:C9TX7 nidx=null parent=VDQJ]
 + Fasciolaria distans [SYNONYM SPECIES 301450:BFXTQ nidx=null parent=VDQJ]
Faunus (Melanatria) almerae
 - Faunus (Melanatria) almerae (L. M. Vidal, 1898) [SYNONYM SPECIES 300004:3DW3Y nidx=null parent=6DYX9]
 + Faunus (Melanatria) almerae (Cossmann, 1898) [SYNONYM SPECIES 301450:CGZCY nidx=null parent=CGZ6Z]
Fidicina prone
 - Fidicina prone (Walker, 1850) [SYNONYM SPECIES 300004:CFSX2 nidx=null parent=6HZ3M]
 + Fidicina prone (Walker, 1850) [SYNONYM SPECIES 301450:CGZV7 nidx=null parent=6HZ3M]
Fillelum
 - Fillelum [SYNONYM GENUS 300004:BDX47 nidx=null parent=7P2GD]
 + Fillelum Hincks, 1868 [SYNONYM GENUS 301450:CGZWS nidx=null parent=7P2GD]
Fissurina quadrata var. rizzae
 - Fissurina quadrata var. rizzae Seguenza, 1862 [SYNONYM VARIETY 300004:857RC nidx=null parent=82HZS]
 + Fissurina quadrata var. rizzae Seguenza, 1862 [SYNONYM VARIETY 301450:5NYZN nidx=null parent=82HZS]
Forficula (Apterygida) albipennis
 - Forficula (Apterygida) albipennis [SYNONYM SPECIES 300004:BWQBV nidx=null parent=8MWTL]
 + Forficula (Apterygida) albipennis von Muhlfeld, 1825 [SYNONYM SPECIES 301450:CH29C nidx=null parent=682DK]
Forficula biturberculata
 - Forficula biturberculata [SYNONYM SPECIES 300004:BWQBW nidx=null parent=3HJ2K]
 + Forficula biturberculata (Brindle, 1966) [SYNONYM SPECIES 301450:CH29H nidx=null parent=3HJ2K]
Forficula fistula
 - Forficula fistula Steinmann, 1990 [ACCEPTED SPECIES 300004:6JH38 nidx=null]
 + Forficula fistula Steinmann, 1993 [ACCEPTED SPECIES 301450:CH29S nidx=null]
Forficula major
 - Forficula major de Geer, 1773 [AMBIGUOUS_SYNONYM SPECIES 300004:8MZF9 nidx=null parent=4JS3B]
 + Forficula major de Geer, 1773 [SYNONYM SPECIES 301450:6JH3Q nidx=null parent=6JGYS]
Fulgoraria (Psephaea) kaneko hayashii
 - Fulgoraria (Psephaea) kaneko hayashii Habe & Ki. Ito, 1965 [SYNONYM SUBSPECIES 300004:BHPLL nidx=null parent=6JPYC]
 + Fulgoraria (Psephaea) kaneko hayashii Habe & Ki. Ito, 1965 [SYNONYM SUBSPECIES 301450:CH2NX nidx=null parent=6JPYC]
Fungivora lateralis
 - Fungivora lateralis Santos Abreu, 1920 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VRL nidx=null]
 + Fungivora lateralis Santos Abreu, 1920 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JR3V nidx=null]
Gelastorhinus striatus
 - Gelastorhinus striatus Willemse, 1932 [ACCEPTED SPECIES 300004:C9ZJ4 nidx=null]
 + Gelastorhinus striatus Willemse, 1932 [ACCEPTED SPECIES 301450:CH28Q nidx=null]
Gibbula kishineviae
 - Gibbula kishineviae (A. d'Orbigny, 1844) [SYNONYM SPECIES 300004:7RF4N nidx=null parent=B6FWX]
 + Gibbula kishineviae [SYNONYM SPECIES 301450:CH2V7 nidx=null parent=B6FWX]
Globigerinoides obliquus subsp. extremus
 - Globigerinoides obliquus subsp. extremus Bolli & Bermúdez, 1965 [SYNONYM SUBSPECIES 300004:CDC8B nidx=null parent=82MGK]
 + Globigerinoides obliquus subsp. extremus Bolli & Bermúdez, 1965 [SYNONYM SUBSPECIES 301450:CH367 nidx=null parent=82MGK]
Glyptostoma newberryanum depressum
 - Glyptostoma newberryanum depressum F. W. Walker, 1902 [ACCEPTED SUBSPECIES 300004:B75S2 nidx=null]
 + Glyptostoma newberryanum depressum Bryant, 1902 [ACCEPTED SUBSPECIES 301450:CH3D7 nidx=null]
Glyptostoma newberryanum var. depressum
 - Glyptostoma newberryanum var. depressum F. W. Walker, 1902 [SYNONYM VARIETY 300004:7V6S7 nidx=null parent=B75S2]
 + Glyptostoma newberryanum var. depressum Bryant, 1902 [SYNONYM VARIETY 301450:CH3D8 nidx=null parent=CH3D7]
Gonapodasmius kovaljovae
 - Gonapodasmius kovaljovae Nikolaeva & Gaevskaya, 1985 [SYNONYM SPECIES 300004:848Z3 nidx=null parent=84869]
 + Gonapodasmius kovaljovae Nikolaeva & Gaevskaya, 1985 [SYNONYM SPECIES 301450:3GTVM nidx=null parent=35YSQ]
Gongylostomella (Palenquecoptis)
 - Gongylostomella (Palenquecoptis) [ACCEPTED SUBGENUS 300004:8V29L nidx=null]
 + Gongylostomella (Palenquecoptis) C. de la Torre & Bartsch, 1972 [ACCEPTED SUBGENUS 301450:CH3WS nidx=null]
Goniostomus
 - Goniostomus auct. [SYNONYM GENUS 300004:C9775 nidx=null parent=7P4GY]
 + Goniostomus [SYNONYM GENUS 301450:BGFFP nidx=null parent=7P4GY]
Gryllacris deschampsi
 - Gryllacris deschampsi Bruner, 1915 [SYNONYM SPECIES 300004:8PBJT nidx=null parent=8PXHB]
 + Gryllacris deschampsi Griffini, 1914 [SYNONYM SPECIES 301450:CH338 nidx=null parent=CGTTW]
Gyrineum pusillum
 - Gyrineum pusillum auct. [AMBIGUOUS_SYNONYM SPECIES 300004:CB2DL nidx=null parent=6L7GM]
 + Gyrineum pusillum [AMBIGUOUS_SYNONYM SPECIES 301450:3HYRM nidx=null parent=6L7GM]
Gyrodactylus barbatuli f. "e"
 - Gyrodactylus barbatuli f. "e" [ACCEPTED FORM 300004:CFW94 nidx=null]
 + Gyrodactylus barbatuli f. "e" [ACCEPTED FORM 301450:CH3GL nidx=null]
Haplothrips (Trybomiella) ramakrishnai
 - Haplothrips (Trybomiella) ramakrishnai Karny, 1926 [ACCEPTED SPECIES 300004:CDG6S nidx=null]
 + Haplothrips (Trybomiella) ramakrishnai Karny, 1926 [ACCEPTED SPECIES 301450:CH4MZ nidx=null]
Harpago chiragra chiragra
 - Harpago chiragra chiragra (Linnaeus, 1758) [ACCEPTED SUBSPECIES 300004:8SY5V nidx=null]
 + Harpago chiragra chiragra (Linnaeus, 1758) [SYNONYM SUBSPECIES 301450:5HLK8 nidx=null parent=3JS8R]
Hecalus reticulatus
 - Hecalus reticulatus (Linnavuori, 1962) [SYNONYM SPECIES 300004:8RB5Q nidx=null parent=6LGSP]
 + Hecalus reticulatus Linnavuori, 1975 [ACCEPTED SPECIES 301450:3JYKW nidx=null]
Heliacus dorsuosus
 - Heliacus dorsuosus auct. [SYNONYM SPECIES 300004:CB38Z nidx=null parent=8V86F]
 + Heliacus dorsuosus [SYNONYM SPECIES 301450:BH5MR nidx=null parent=8V86F]
Helice latreilli
 - Helice latreilli (H. Milne Edwards, 1837) [SYNONYM SPECIES 300004:CB3GB nidx=null parent=3K69J]
 + Helice latreilli (H. Milne Edwards, 1837) [SYNONYM SPECIES 301450:CH3FC nidx=null parent=3K69J]
Heliconoides inflata
 - Heliconoides inflata [SYNONYM SPECIES 300004:C57K8 nidx=null parent=3K8ZD]
 + Heliconoides inflata (A. d'Orbigny, 1835) [SYNONYM SPECIES 301450:CH3K3 nidx=null parent=3K8ZD]
Helminthoglypta callistoderma
 - Helminthoglypta callistoderma (Pilsbry & Ferriss, 1919) [ACCEPTED SPECIES 300004:7RN8X nidx=null]
 + Helminthoglypta callistoderma (Pilsbry & Ferriss, 1917) [ACCEPTED SPECIES 301450:CH42R nidx=null]
Helomyza fasciata
 - Helomyza fasciata Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VX6 nidx=null]
 + Helomyza fasciata Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JR6B nidx=null]
Helomyza robusta
 - Helomyza robusta Walker, 1858 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VX7 nidx=null]
 + Helomyza robusta Walker, 1858 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JR6F nidx=null]
Hemiaster (Integraster) expergitus
 - Hemiaster (Integraster) expergitus Lovén, 1871 [SYNONYM SPECIES 300004:CFX87 nidx=null parent=3M75Z]
 + Hemiaster (Integraster) expergitus Lovén, 1871 [SYNONYM SPECIES 301450:CH47W nidx=null parent=3M75Z]
Hemigordius subgen. Hemigordius
 - Hemigordius subgen. Hemigordius Schubert, 1908 [SYNONYM SUBGENUS 300004:CD3G2 nidx=null parent=7ZVFN]
 + Hemigordius subgen. Hemigordius Schubert, 1908 [SYNONYM SUBGENUS 301450:CGX44 nidx=null parent=7ZVFN]
Henneguya zschokkei
 - Henneguya zschokkei Doflein, 1901 [ACCEPTED SPECIES 300004:BTR4L nidx=null]
 + Henneguya zschokkei (Gurley, 1893) [ACCEPTED SPECIES 301450:CH4MF nidx=null]
Henslowiana (Henslowiana)
 - Henslowiana (Henslowiana) Servain, 1888 [SYNONYM SUBGENUS 300004:CD7HJ nidx=null parent=7P3P6]
 + Henslowiana (Henslowiana) Servain, 1888 [SYNONYM SUBGENUS 301450:CGZC3 nidx=null parent=7P3P6]
Hercostomus (Hercostomus) conglomeratus
 - Hercostomus (Hercostomus) conglomeratus Wei & Song, 2006 [SYNONYM SPECIES 300004:92SDT nidx=null parent=8CBDR]
 + Hercostomus (Hercostomus) conglomeratus Wei & Song, 2006 [SYNONYM SPECIES 301450:8CBB7 nidx=null parent=8CBDR]
Hercostomus (Hercostomus) cyphus
 - Hercostomus (Hercostomus) cyphus Wei & Song, 2006 [SYNONYM SPECIES 300004:8CBBQ nidx=null parent=8CBFL]
 + Hercostomus (Hercostomus) cyphus Wei & Song, 2006 [SYNONYM SPECIES 301450:92SDX nidx=null parent=8CBFL]
Hercostomus (Hercostomus) formosus
 - Hercostomus (Hercostomus) formosus Becker, 1917 [ACCEPTED SPECIES 300004:C7CFT nidx=null]
 + Hercostomus (Hercostomus) formosus Becker, 1917 [ACCEPTED SPECIES 301450:CH4PK nidx=null]
Hercostomus (Hercostomus) hilarosus
 - Hercostomus (Hercostomus) hilarosus Wei & Song, 2006 [SYNONYM SPECIES 300004:8CBD6 nidx=null parent=8CBDR]
 + Hercostomus (Hercostomus) hilarosus Wei & Song, 2006 [SYNONYM SPECIES 301450:92SF4 nidx=null parent=8CBDR]
Heriades copeticus
 - Heriades copeticus Morawitz, 1891 [SYNONYM SPECIES 300004:CFY4R nidx=null parent=3KYTC]
 + Heriades copeticus Morawitz, 1891 [SYNONYM SPECIES 301450:CH4QH nidx=null parent=3KYTC]
Heteronychia cataphygionis
 - Heteronychia cataphygionis Povolný, 1999 [SYNONYM SPECIES 300004:88ZML nidx=null parent=8DPVV]
 + Heteronychia cataphygionis Povolný, 1999 [SYNONYM SPECIES 301450:6M4C9 nidx=null parent=8DPVV]
Hexangium affinum
 - Hexangium affinum Tubangui & Masilungan, 1944 [SYNONYM SPECIES 300004:849CF nidx=null parent=3LGLM]
 + Hexangium affinum Tubangui & Masiluñgan, 1944 [SYNONYM SPECIES 301450:6LTFN nidx=null parent=3LGLM]
Hippopotamenema
 - Hippopotamenema [ACCEPTED GENUS 300004:9C8B4 nidx=null]
 + Hippopotamenema Sagata & Buddhadeb, 2015 [ACCEPTED GENUS 301450:CH42S nidx=null]
Holmiceras
 - †Holmiceras Hyatt, 1884 [ACCEPTED GENUS 300004:C5H67 nidx=null]
 + Holmiceras Hyatt, 1894 [ACCEPTED GENUS 301450:CH494 nidx=null]
Huechys (Huechys) sanguinea philaemata
 - Huechys (Huechys) sanguinea philaemata (Fabricius, 1803) [SYNONYM SUBSPECIES 300004:CFYHZ nidx=null parent=B75YL]
 + Huechys (Huechys) sanguinea philaemata (Fabricius, 1803) [SYNONYM SUBSPECIES 301450:CH4ZF nidx=null parent=B75YL]
Hydroida
 - Hydroida [SYNONYM ORDER 300004:BDWMZ nidx=null parent=7NF5F]
 + Hydroida Johnston, 1937 [SYNONYM ORDER 301450:CH3C4 nidx=null parent=7NF5F]
Hyla vautierii
 - Hyla vautierii Bibron in Bell, 1843 [SYNONYM SPECIES 300004:CFW96 nidx=null parent=M82C]
 + Hyla vautierii Bibron in Bell, 1843 [SYNONYM SPECIES 301450:CH3GQ nidx=null parent=M82C]
Hypodistoma deerrata
 - Hypodistoma deerrata (Sluiter, 1895) [SYNONYM SPECIES 300004:CB66B nidx=null parent=3NVHG]
 + Hypodistoma deerrata (Sluiter, 1895) [SYNONYM SPECIES 301450:CH49D nidx=null parent=3NVHG]
Idiocerus (Idiocerus) distinguendus
 - Idiocerus (Idiocerus) distinguendus Kirschbaum, 1868 [SYNONYM SPECIES 300004:CFYJF nidx=null parent=8JYVN]
 + Idiocerus (Idiocerus) distinguendus Kirschbaum, 1868 [SYNONYM SPECIES 301450:CH4ZT nidx=null parent=8JYVN]
Idyaeidae
 - Idyaeidae Sars M., 1910 [SYNONYM FAMILY 300004:BG3V3 nidx=null parent=7NLCD]
 + Idyaeidae Sars G.O., 1910 [SYNONYM FAMILY 301450:CH53V nidx=null parent=7NLCD]
Idyla (Idyla)
 - Idyla (Idyla) H. Adams & A. Adams, 1855 [SYNONYM SUBGENUS 300004:CD3QL nidx=null parent=7P5NR]
 + Idyla (Idyla) H. Adams & A. Adams, 1855 [SYNONYM SUBGENUS 301450:CGX94 nidx=null parent=7P5NR]
Ilyanthus (Mesacmaea) mitchellii
 - Ilyanthus (Mesacmaea) mitchellii (Gosse, 1853) [SYNONYM SPECIES 300004:CFYSF nidx=null parent=3ZXGF]
 + Ilyanthus (Mesacmaea) mitchellii (Gosse, 1853) [SYNONYM SPECIES 301450:CH57L nidx=null parent=3ZXGF]
Ilyanthus mitchelli
 - Ilyanthus mitchelli [SYNONYM SPECIES 300004:CFYSG nidx=null parent=3ZXGF]
 + Ilyanthus mitchelli [SYNONYM SPECIES 301450:CH57M nidx=null parent=3ZXGF]
Inioteuthis japonica
 - Inioteuthis japonica (Tilesius, 1845) [ACCEPTED SPECIES 300004:C7M3Z nidx=null]
 + Inioteuthis japonica (A. d'Orbigny, 1845) [ACCEPTED SPECIES 301450:CH6GW nidx=null]
Isoperla clio
 - Isoperla clio [SYNONYM SPECIES 300004:CDF98 nidx=null parent=W7MW]
 + Isoperla clio (Newman, 1839) [SYNONYM SPECIES 301450:6MZVS nidx=null parent=W7MW]
Isoperla transmarine
 - Isoperla transmarine [SYNONYM SPECIES 300004:8NGNQ nidx=null parent=3QB29]
 + Isoperla transmarine Newman, 1838 [SYNONYM SPECIES 301450:CH45J nidx=null parent=3QB29]
Isoplastus formulosus
 - Isoplastus formulosus Skuse, 1889 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3W7T nidx=null]
 + Isoplastus formulosus Skuse, 1889 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JRHJ nidx=null]
Isoplastus paivai
 - Isoplastus paivai Kieffer, 1910 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3W7V nidx=null]
 + Isoplastus paivai Kieffer, 1910 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JRHS nidx=null]
Isthmiophora hortensis
 - Isthmiophora hortensis (Asada, 1926) Kostadinova & Gibson, 2002 [ACCEPTED SPECIES 300004:8N8NN nidx=null]
 + Isthmiophora hortensis (Asada, 1926) Kostadinova & Gibson, 2002 [ACCEPTED SPECIES 301450:8M27X nidx=null]
Iulus
 - Iulus auct. [SYNONYM GENUS 300004:CB2NY nidx=null parent=7P7L5]
 + Iulus [SYNONYM GENUS 301450:CH4BN nidx=null parent=7P7L5]
Jassargus (Jassargus) obtusivalvis
 - Jassargus (Jassargus) obtusivalvis (Kirschbaum, 1868) [SYNONYM SPECIES 300004:C5V7V nidx=null parent=8RL9X]
 + Jassargus (Jassargus) obtusivalvis (Kirschbaum, 1868) [SYNONYM SPECIES 301450:CH4S5 nidx=null parent=8RL9X]
Jassus (Thamnotettix) quadripunctulatus
 - Jassus (Thamnotettix) quadripunctulatus Kirschbaum, 1868 [SYNONYM SPECIES 300004:CFY8Q nidx=null parent=9KG8D]
 + Jassus (Thamnotettix) quadripunctulatus Kirschbaum, 1868 [SYNONYM SPECIES 301450:CH4TW nidx=null parent=9KG8D]
Jassus philippinensis
 - Jassus philippinensis (Stål, 1870) [SYNONYM SPECIES 300004:CB48J nidx=null parent=55YPJ]
 + Jassus philippinensis (Stål, 1870) [SYNONYM SPECIES 301450:CH4TZ nidx=null parent=55YPJ]
Jujubinus subturgidulus
 - †Jujubinus subturgidulus (A. d'Orbigny, 1850) [ACCEPTED SPECIES 300004:7RRYB nidx=null]
 + Jujubinus subturgidulus (A. d'Orbigny, 1852) [ACCEPTED SPECIES 301450:CH4Z4 nidx=null]
Julus dorsovittatus
 - Julus dorsovittatus Verhoeff, 1893 [SYNONYM SPECIES 300004:CFYJ4 nidx=null parent=49CQC]
 + Julus dorsovittatus Verhoeff, 1893 [SYNONYM SPECIES 301450:CH4ZH nidx=null parent=49CQC]
Julus imbecillus
 - Julus imbecillus (Latzel, 1884) [ACCEPTED SPECIES 300004:CDH4G nidx=null]
 + Julus imbecillus (Latzel, 1884) [ACCEPTED SPECIES 301450:6NFG8 nidx=null]
 + Julus imbecillus Latzel, 1884 [SYNONYM SPECIES 301450:CH4ZJ nidx=null parent=7FXXN]
Justicia divaricata
 - Justicia divaricata Zeyh. ex Nees [SYNONYM SPECIES 300004:CDHFV nidx=null parent=C82G4]
 + Justicia divaricata Zeyh. ex Nees [SYNONYM SPECIES 301450:CH57R nidx=null parent=C82G4]
Kamimuria navasa
 - Kamimuria navasa [SYNONYM SPECIES 300004:8N23X nidx=null parent=5TSVX]
 + Kamimuria navasa (Claassen, 1936) [SYNONYM SPECIES 301450:3QZWR nidx=null parent=5TSVX]
Keenocardium californiense californiense
 - Keenocardium californiense californiense (Deshayes, 1839) [ACCEPTED SUBSPECIES 300004:8SY6K nidx=null]
 + Keenocardium californiense californiense (Deshayes, 1839) [SYNONYM SUBSPECIES 301450:5J73N nidx=null parent=6NJCG]
Kellia subelliptica
 - Kellia subelliptica Yokoyama, 1924 [ACCEPTED SPECIES 300004:3R4ZD nidx=null]
 + Kellia subelliptica Yokoyama, 1927 [ACCEPTED SPECIES 301450:CH5LV nidx=null]
Laetmatonice
 - Laetmatonice [auctt.] [SYNONYM GENUS 300004:BG283 nidx=null parent=84PGZ]
 + Laetmatonice [SYNONYM GENUS 301450:CH4W2 nidx=null parent=84PGZ]
Laetmatonice producta
 - Laetmatonice producta [auct. misspelling of Laetmonice] [SYNONYM SPECIES 300004:C4GKJ nidx=null parent=6NSV9]
 + Laetmatonice producta [SYNONYM SPECIES 301450:3RV8G nidx=null parent=6NSV9]
Laona finmarchica
 - Laona finmarchica (M. Sars, 1859) [ACCEPTED SPECIES 300004:3S87Y nidx=null]
 + Laona finmarchica (M. Sars, 1859) [SYNONYM SPECIES 301450:7RTKZ nidx=null parent=7SSZ6]
Laophonte baltica baltica
 - Laophonte baltica baltica Drzycimski, 1993 [SYNONYM SUBSPECIES 300004:8TX9V nidx=null parent=6NWRH]
 + Laophonte baltica baltica Klie, 1929 [SYNONYM SUBSPECIES 301450:CH5G2 nidx=null parent=6NWRH]
Latrunculia (Latrunculia) crenulata
 - Latrunculia (Latrunculia) crenulata Lévi, 1993 [SYNONYM SPECIES 300004:CDJLW nidx=null parent=9X8FB]
 + Latrunculia (Latrunculia) crenulata Lévi, 1993 [SYNONYM SPECIES 301450:CH5SH nidx=null parent=9X8FB]
Laurus cassia
 - Laurus cassia Wight ex Nees [AMBIGUOUS_SYNONYM SPECIES 300004:6P4CR nidx=null parent=5YVFZ]
 + Laurus cassia Wight ex Nees [AMBIGUOUS_SYNONYM SPECIES 301450:CH5SW nidx=null parent=5YVFZ]
 + Laurus cassia Nees [SYNONYM SPECIES 301450:CH5SX nidx=null parent=5YVKR]
Lebouria choerodonis
 - Lebouria choerodonis Yamaguti, 1934 [SYNONYM SPECIES 300004:849MW nidx=null parent=69Z35]
 + Lebouria choerodonis Yamaguti, 1934 [SYNONYM SPECIES 301450:3SQWW nidx=null parent=69Z35]
Lepeophteirus
 - Lepeophteirus [SYNONYM GENUS 300004:BGHN5 nidx=null parent=7P9BJ]
 + Lepeophteirus Nordmann, 1832 [SYNONYM GENUS 301450:CH4XR nidx=null parent=7P9BJ]
Lepidapedon (Lepidapedoides) levenseni
 - Lepidapedon (Lepidapedoides) levenseni (Linton, 1907) Manter, 1947 [SYNONYM SPECIES 300004:CFYGG nidx=null parent=3T9Q6]
 + Lepidapedon (Lepidapedoides) levenseni (Linton, 1907) Manter, 1947 [SYNONYM SPECIES 301450:CH4YL nidx=null parent=3T9Q6]
Lepidozona (Lepidozona)
 - Lepidozona (Lepidozona) Pilsbry, 1892 [SYNONYM SUBGENUS 300004:CFWV6 nidx=null parent=7P77C]
 + Lepidozona (Lepidozona) Pilsbry, 1892 [SYNONYM SUBGENUS 301450:CH3XJ nidx=null parent=7P77C]
Leptacris pretoriae
 - Leptacris pretoriae [SYNONYM SPECIES 300004:BT4RJ nidx=null parent=92JG]
 + Leptacris pretoriae (Miller, 1932) [SYNONYM SPECIES 301450:8PZQX nidx=null parent=92JG]
Leptis inutilis
 - Leptis inutilis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3WDS nidx=null]
 + Leptis inutilis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JRMR nidx=null]
Leptoconops (Leptoconops) bezzii
 - Leptoconops (Leptoconops) bezzii (Noè, 1905) [ACCEPTED SPECIES 300004:8CHVS nidx=null]
 + Leptoconops (Leptoconops) bezzii (Noè, 1905) [ACCEPTED SPECIES 301450:3TMJP nidx=null]
Leptoconops (Leptoconops) irritans
 - Leptoconops (Leptoconops) irritans (Noè, 1905) [ACCEPTED SPECIES 300004:8CHWR nidx=null]
 + Leptoconops (Leptoconops) irritans (Noè, 1905) [ACCEPTED SPECIES 301450:3TMKZ nidx=null]
Leptodiaptomus pallidus
 - Leptodiaptomus pallidus (Light, 1938) [SYNONYM SPECIES 300004:3TNQB nidx=null parent=6YS9Y]
 + Leptodiaptomus pallidus (Herrick, 1879) [SYNONYM SPECIES 301450:CH5KT nidx=null parent=6YS9Y]
Leptopontiinae
 - Leptopontiinae [ACCEPTED SUBFAMILY 300004:7ZFPS nidx=null]
 + Leptopontiinae Lang, 1948 [ACCEPTED SUBFAMILY 301450:CH5QN nidx=null]
Leucetta haeckeliana
 - Leucetta haeckeliana Poléjaeff, 1883 [SYNONYM SPECIES 300004:BBRZM nidx=null parent=B8RP9]
 + Leucetta haeckeliana Poléjaeff, 1883 [SYNONYM SPECIES 301450:723LB nidx=null parent=B8RP9]
Leucozona (Ischyrosyrphus) laternaria
 - Leucozona (Ischyrosyrphus) laternaria (Müller, 1776) [ACCEPTED SPECIES 300004:8CJS8 nidx=null]
 + Leucozona (Ischyrosyrphus) laternaria (Müller, 1776) [ACCEPTED SPECIES 301450:72834 nidx=null]
Leuctra ferruginea
 - Leuctra ferruginea Provancher, 1876 [SYNONYM SPECIES 300004:CB6H8 nidx=null parent=6Q7PX]
 + Leuctra ferruginea Provancher, 1878 [SYNONYM SPECIES 301450:6PVRT nidx=null parent=6Q7PX]
Limea (Gemellima) eocaenica
 - Limea (Gemellima) eocaenica de Laubrière, 1881 [SYNONYM SPECIES 300004:8ZCLF nidx=null parent=8YMYJ]
 + Limea (Gemellima) eocaenica [SYNONYM SPECIES 301450:CH6T8 nidx=null parent=8YMYJ]
Limosina (Limosina) bracata
 - Limosina (Limosina) bracata Collin, 1912 [ACCEPTED SPECIES 300004:BZBF7 nidx=null]
 + Limosina (Limosina) bracata Collin, 1912 [ACCEPTED SPECIES 301450:CH5HW nidx=null]
Limotettix (Ophiolix) cuneatus
 - Limotettix (Ophiolix) cuneatus (Sanders & DeLong, 1920) [SYNONYM SPECIES 300004:CFZCW nidx=null parent=8JX9N]
 + Limotettix (Ophiolix) cuneatus (Sanders & DeLong, 1920) [SYNONYM SPECIES 301450:CH5LP nidx=null parent=8JX9N]
Linnaemya retroflexa
 - Linnaemya retroflexa Pandellé, 1895 [SYNONYM SPECIES 300004:8988X nidx=null parent=8CMJY]
 + Linnaemya retroflexa Pandellé, 1895 [SYNONYM SPECIES 301450:72HNH nidx=null parent=8CMJY]
Liocallonia (Cenocoptis)
 - Liocallonia (Cenocoptis) Jaume & de la Torre, 1976 [SYNONYM SUBGENUS 300004:BGWMQ nidx=null parent=7P7L4]
 + Liocallonia (Cenocoptis) C. de la Torre & Bartsch, 1972 [SYNONYM SUBGENUS 301450:CGVXW nidx=null parent=7P7L4]
Lituites
 - †Lituites Gesner, 1758 [ACCEPTED GENUS 300004:CG287 nidx=null]
 + Lituites Bertrand, 1763 [ACCEPTED GENUS 301450:CH68N nidx=null]
Liza parmatus
 - Liza parmatus () non Cantor, 1849 [MISAPPLIED SPECIES 300004:CG2BK nidx=null parent=6VMVH]
 + Liza parmatus () [MISAPPLIED SPECIES 301450:CH6C3 nidx=null parent=6VMVH]
Lizusidae
 - Lizusidae Haeckel, 1879 [SYNONYM SUBFAMILY 300004:BDWSR nidx=null parent=7NG62]
 + Lizusidae Haeckel, 1879 [SYNONYM FAMILY 301450:CH6CH nidx=null parent=7NG62]
Lobularia
 - Lobularia Savigny, 1815 [SYNONYM GENUS 300004:BDWHK nidx=null parent=84NLS]
 + Lobularia Lamarck, 1816 [SYNONYM GENUS 301450:CH6GT nidx=null parent=84NLS]
Loligopsidae
 - Loligopsidae Gray, 1849 [SYNONYM FAMILY 300004:BG3Y7 nidx=null parent=7NGZ5]
 + Loligopsidae A. d'Orbigny, 1842 [SYNONYM FAMILY 301450:CH6KJ nidx=null parent=7NGZ5]
Loripes brasilianus
 - Loripes brasilianus (A. d'Orbigny, 1842) [ACCEPTED SPECIES 300004:6QNYZ nidx=null]
 + Loripes brasilianus (A. d'Orbigny, 1846) [ACCEPTED SPECIES 301450:CH73Q nidx=null]
Lucilia abdominalis
 - Lucilia abdominalis Séguy, 1934 [SYNONYM SPECIES 300004:89973 nidx=null parent=3WBYW]
 + Lucilia abdominalis Séguy, 1934 [SYNONYM SPECIES 301450:3WBQJ nidx=null parent=3WBYW]
Lucina (Codakia) quadrata
 - Lucina (Codakia) quadrata Angas, 1877 [SYNONYM SPECIES 300004:8KSQW nidx=null parent=C76JT]
 + Lucina (Codakia) quadrata Angas, 1877 [SYNONYM SPECIES 301450:3WCDK nidx=null parent=C76JT]
Lucina brasiliana
 - Lucina brasiliana A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:3WC7T nidx=null parent=6QNYZ]
 + Lucina brasiliana A. d'Orbigny, 1846 [SYNONYM SPECIES 301450:CH79R nidx=null parent=CH73Q]
Lycoriella (Lycoriella) subterranea
 - Lycoriella (Lycoriella) subterranea (Märkel, 1844) [ACCEPTED SPECIES 300004:8CP3H nidx=null]
 + Lycoriella (Lycoriella) subterranea (Märkel, 1844) [ACCEPTED SPECIES 301450:6R3CQ nidx=null]
Lygaeus (Plociomera) sylvestris
 - Lygaeus (Plociomera) sylvestris (Linnaeus, 1758) [SYNONYM SPECIES 300004:8QN7H nidx=null parent=6PZ8L]
 + Lygaeus (Plociomera) sylvestris (Linnaeus, 1758) [SYNONYM SPECIES 301450:CH5L2 nidx=null parent=6PZ8L]
Lygosoma (Siaphos) burgeoni
 - Lygosoma (Siaphos) burgeoni de Witte, 1933 [SYNONYM SPECIES 300004:8H67M nidx=null parent=4C9F8]
 + Lygosoma (Siaphos) burgeoni de Witte, 1933 [SYNONYM SPECIES 301450:72R7L nidx=null parent=4C9F8]
Lymantria (Collentria) cryptocloea
 - Lymantria (Collentria) cryptocloea Collenette, 1932 [ACCEPTED SPECIES 300004:3WRP4 nidx=null]
 + Lymantria (Collentria) cryptocloea Collenette, 1932 [ACCEPTED SPECIES 301450:CH5MP nidx=null]
Lymantria (Lymantria) subrosea
 - Lymantria (Lymantria) subrosea Swinhoe, 1903 [ACCEPTED SPECIES 300004:CB6TV nidx=null]
 + Lymantria (Lymantria) subrosea Swinhoe, 1903 [ACCEPTED SPECIES 301450:CH5MT nidx=null]
Lysiopetalum eudasym
 - Lysiopetalum eudasym McNeil, 1887 [SYNONYM SPECIES 300004:CDJHZ nidx=null parent=8J29]
 + Lysiopetalum eudasym McNeil, 1887 [SYNONYM SPECIES 301450:CH5QW nidx=null parent=8J29]
Machimus (Machimus) setiventris
 - Machimus (Machimus) setiventris Engel, 1928 [ACCEPTED SPECIES 300004:BZBJV nidx=null]
 + Machimus (Machimus) setiventris Engel, 1928 [ACCEPTED SPECIES 301450:CH5WG nidx=null]
Macrosiphum cerealis
 - Macrosiphum cerealis [SYNONYM SPECIES 300004:8PDHZ nidx=null parent=4XT9C]
 + Macrosiphum cerealis [SYNONYM SPECIES 301450:733QM nidx=null parent=4XT9C]
Macrosteles (Macrosteles) frontalis
 - Macrosteles (Macrosteles) frontalis (Scott, 1875) [SYNONYM SPECIES 300004:C55F9 nidx=null parent=8JW8S]
 + Macrosteles (Macrosteles) frontalis (Scott, 1875) [SYNONYM SPECIES 301450:8JW8R nidx=null parent=8JW8S]
Macrosteles (Macrosteles) horvathi
 - Macrosteles (Macrosteles) horvathi (Wagner, 1935) [SYNONYM SPECIES 300004:CG27X nidx=null parent=BQ74B]
 + Macrosteles (Macrosteles) horvathi (Wagner, 1935) [SYNONYM SPECIES 301450:8JW92 nidx=null parent=BQ74B]
Macrosteles (Macrosteles) laevis
 - Macrosteles (Macrosteles) laevis (Ribaut, 1927) [SYNONYM SPECIES 300004:C7N89 nidx=null parent=8JW99]
 + Macrosteles (Macrosteles) laevis (Ribaut, 1927) [SYNONYM SPECIES 301450:8JW9B nidx=null parent=8JW99]
Macrosteles (Macrosteles) lepidus
 - Macrosteles (Macrosteles) lepidus (Van Duzee, 1894) [SYNONYM SPECIES 300004:CG27Y nidx=null parent=9KG86]
 + Macrosteles (Macrosteles) lepidus (Van Duzee, 1894) [SYNONYM SPECIES 301450:8JW9F nidx=null parent=9KG86]
Macrosteles (Macrosteles) lividus
 - Macrosteles (Macrosteles) lividus (Edwards, 1894) [SYNONYM SPECIES 300004:8JW9M nidx=null parent=8JW9L]
 + Macrosteles (Macrosteles) lividus (Edwards, 1894) [SYNONYM SPECIES 301450:CH68B nidx=null parent=8JW9L]
Macrosteles (Macrosteles) quadripunctulatus
 - Macrosteles (Macrosteles) quadripunctulatus (Kirschbaum, 1868) [SYNONYM SPECIES 300004:8JWBH nidx=null parent=9KG8D]
 + Macrosteles (Macrosteles) quadripunctulatus (Kirschbaum, 1868) [SYNONYM SPECIES 301450:CH68C nidx=null parent=9KG8D]
Macrotoma (Prinobius) scutellaris
 - Macrotoma (Prinobius) scutellaris [AMBIGUOUS_SYNONYM SPECIES 300004:CG29Q nidx=null parent=4MDXK]
 + Macrotoma (Prinobius) scutellaris [AMBIGUOUS_SYNONYM SPECIES 301450:CH6BD nidx=null parent=4MDXK]
Mactra isabelleana
 - Mactra isabelleana A. d'Orbigny, 1846 [ACCEPTED SPECIES 300004:3XDDF nidx=null]
 + Mactra isabelleana A. d'Orbigny, 1841 [SYNONYM SPECIES 301450:CH6CY nidx=null parent=CHFTR]
Mactra patagonica
 - †Mactra patagonica A. d'Orbigny, 1846 [ACCEPTED SPECIES 300004:3XDFM nidx=null]
 + Mactra patagonica A. d'Orbigny, 1841 [ACCEPTED SPECIES 301450:CH6CT nidx=null]
Mactra petitii
 - Mactra petitii A. d'Orbigny, 1846 [ACCEPTED SPECIES 300004:3XDFT nidx=null]
 + Mactra petitii A. d'Orbigny, 1841 [SYNONYM SPECIES 301450:CH6CZ nidx=null parent=CHFTS]
Manayunkia caspica danubialis
 - Manayunkia caspica danubialis Bacescu in Dumitrescu, 1957 [ACCEPTED SUBSPECIES 300004:7HCPV nidx=null]
 + Manayunkia caspica danubialis Băcescu, 1948 [SYNONYM SUBSPECIES 301450:CH72J nidx=null parent=CHKTV]
Marginella bella
 - Marginella bella auct. [SYNONYM SPECIES 300004:CDMZX nidx=null parent=5BQC2]
 - Marginella bella auct. [SYNONYM SPECIES 300004:CG3WD nidx=null parent=4N8HW]
 + Marginella bella [SYNONYM SPECIES 301450:BPJ48 nidx=null parent=4N8HW]
 + Marginella bella [SYNONYM SPECIES 301450:CH7KM nidx=null parent=5BQC2]
Megalomastoma (Farcimen) digitale
 - Megalomastoma (Farcimen) digitale Gundlach, 1857 [SYNONYM SPECIES 300004:7S3KZ nidx=null parent=7TV9M]
 + Megalomastoma (Farcimen) digitale L. Pfeiffer, 1857 [SYNONYM SPECIES 301450:CH6HF nidx=null parent=CGZCF]
Megalomastoma digitale
 - Megalomastoma digitale Gundlach, 1857 [SYNONYM SPECIES 300004:7S3M5 nidx=null parent=7TV9M]
 + Megalomastoma digitale L. Pfeiffer, 1857 [SYNONYM SPECIES 301450:CH6HG nidx=null parent=CGZCF]
Megamecus (Gnathomecus)
 - Megamecus (Gnathomecus) Reitter, 1903 [ACCEPTED SUBGENUS 300004:8KGJM nidx=null]
 + Megamecus (Gnathomecus) [ACCEPTED SUBGENUS 301450:CH3FS nidx=null]
Mehratrema militaris
 - Mehratrema militaris Dutta, 1995 [SYNONYM SPECIES 300004:849ZZ nidx=null parent=446P6]
 + Mehratrema militaris Dutta, 1995 [SYNONYM SPECIES 301450:3Z2PH nidx=null parent=446P6]
Melampsalta isshikii
 - Melampsalta isshikii Kato, 1926 [SYNONYM SPECIES 300004:CDM4X nidx=null parent=55V52]
 + Melampsalta isshikii Kato, 1926 [SYNONYM SPECIES 301450:CH73H nidx=null parent=55V52]
Melampus hemphillii
 - Melampus hemphillii (Dall, 1884) [SYNONYM SPECIES 300004:739QW nidx=null parent=6XSP3]
 + Melampus hemphillii Dall, 1889 [ACCEPTED SPECIES 301450:CH744 nidx=null]
Melania almerae
 - Melania almerae L. M. Vidal, 1898 [SYNONYM SPECIES 300004:3Z77T nidx=null parent=6DYX9]
 + Melania almerae Cossmann, 1898 [SYNONYM SPECIES 301450:CH75T nidx=null parent=CGZ6Z]
Melaphe thracicus
 - Melaphe thracicus (Verhoeff, 1926) [SYNONYM SPECIES 300004:C3YYX nidx=null parent=6R8VQ]
 + Melaphe thracicus (Verhoeff, 1926) [SYNONYM SPECIES 301450:CH7JW nidx=null parent=6R8VQ]
Melatoma alabamense
 - Melatoma alabamense Reeve, 1861 [SYNONYM SPECIES 300004:3ZDFB nidx=null parent=6L8VK]
 + Melatoma alabamense (I. Lea, 1860) [SYNONYM SPECIES 301450:CH7KV nidx=null parent=6KWVJ]
Melinnacheridae
 - Melinnacheridae Lutzen, 1964 [SYNONYM FAMILY 300004:BFDH6 nidx=null parent=7NKX3]
 + Melinnacheridae Bresciani & Lutzen, 1975 [SYNONYM FAMILY 301450:CH7N9 nidx=null parent=7NKX3]
Merodon (Merodon) podagricus
 - Merodon (Merodon) podagricus Villeneuve, 1909 [ACCEPTED SPECIES 300004:CDP8D nidx=null]
 + Merodon (Merodon) podagricus Villeneuve, 1909 [ACCEPTED SPECIES 301450:CH87Q nidx=null]
Mesocoelium brieni
 - Mesocoelium brieni Vercammen-Grandjean, 1960 [ACCEPTED SPECIES 300004:86WKL nidx=null]
 + Mesocoelium brieni Vercammen-Grandjean, 1960 [ACCEPTED SPECIES 301450:84B2J nidx=null]
Mesonemoura tianschanica
 - Mesonemoura tianschanica [SYNONYM SPECIES 300004:8NHF5 nidx=null parent=424PW]
 + Mesonemoura tianschanica Zhiltzova, 1971 [SYNONYM SPECIES 301450:CH8HL nidx=null parent=424PW]
Metapa pretoriae
 - Metapa pretoriae [SYNONYM SPECIES 300004:BT5XS nidx=null parent=92JG]
 + Metapa pretoriae (Miller, 1932) [SYNONYM SPECIES 301450:42BL8 nidx=null parent=92JG]
Metopolophium (Metopolophium) montanum
 - Metopolophium (Metopolophium) montanum Hille Ris Lambers, 1966 [ACCEPTED SPECIES 300004:42HCH nidx=null]
 + Metopolophium (Metopolophium) montanum Hille Ris Lambers, 1966 [ACCEPTED SPECIES 301450:CH77V nidx=null]
Miamyia (Miamyia) pintoi
 - Miamyia (Miamyia) pintoi Lima, 1930 [SYNONYM SPECIES 300004:89FMK nidx=null parent=8FMS9]
 + Miamyia (Miamyia) pintoi Lima, 1930 [SYNONYM SPECIES 301450:42LGN nidx=null parent=8FMS9]
Micrarionta guadalupiana
 - Micrarionta guadalupiana (Pilsbry & Vanatta, 1898) [ACCEPTED SPECIES 300004:B862T nidx=null]
 + Micrarionta guadalupiana (Dall, 1898) [ACCEPTED SPECIES 301450:42QPH nidx=null]
Micropalpus clausus
 - Micropalpus clausus Rondani, 1868 [SYNONYM SPECIES 300004:89G5Z nidx=null parent=C2RFJ]
 + Micropalpus clausus Rondani, 1868 [SYNONYM SPECIES 301450:4328R nidx=null parent=C2RFJ]
Miogypsinoides subgen. Miogypsinoides
 - Miogypsinoides subgen. Miogypsinoides Yabe & Hanzawa, 1928 [SYNONYM SUBGENUS 300004:C5LYQ nidx=null parent=7ZVT5]
 + Miogypsinoides subgen. Miogypsinoides Yabe & Hanzawa, 1928 [SYNONYM SUBGENUS 301450:CH8Q2 nidx=null parent=7ZVT5]
Modiola denysiana
 - Modiola denysiana (A. d'Orbigny, 1844) [SYNONYM SPECIES 300004:B8T3J nidx=null parent=B8SY2]
 + Modiola denysiana [SYNONYM SPECIES 301450:CH97R nidx=null parent=B8SY2]
Modiolus (Brachydontes) denysianus
 - Modiolus (Brachydontes) denysianus (A. d'Orbigny, 1844) [SYNONYM SPECIES 300004:B8TB7 nidx=null parent=B8SY2]
 + Modiolus (Brachydontes) denysianus [SYNONYM SPECIES 301450:CH99G nidx=null parent=B8SY2]
Mogannia chinensis
 - Mogannia chinensis Stål, 1865 [AMBIGUOUS_SYNONYM SPECIES 300004:8J9DM nidx=null parent=8JJNM]
 + Mogannia chinensis Stål, 1865 [AMBIGUOUS_SYNONYM SPECIES 301450:6RMLJ nidx=null parent=8JJNM]
Mogannia kikowensis
 - Mogannia kikowensis Ôuchi, 1938 [SYNONYM SPECIES 300004:8J9F4 nidx=null parent=8JJNM]
 + Mogannia kikowensis Ôuchi, 1938 [SYNONYM SPECIES 301450:6RMN2 nidx=null parent=8JJNM]
Molobrus fuliginosus
 - Molobrus fuliginosus Fitch, 1856 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X5X nidx=null]
 + Molobrus fuliginosus Fitch, 1856 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSBK nidx=null]
Mononchus (Cobbonchus)
 - Mononchus (Cobbonchus) Andrássy, 1978 [ACCEPTED SUBGENUS 300004:BF555 nidx=null]
 + Mononchus (Cobbonchus) Andrássy, 1958 [SYNONYM SUBGENUS 301450:CGWFV nidx=null parent=87F43]
Montfortia (Hemitoma)
 - Montfortia (Hemitoma) Swainson, 1840 [SYNONYM SUBGENUS 300004:CD8QZ nidx=null parent=7P52M]
 + Montfortia (Hemitoma) Swainson, 1840 [SYNONYM SUBGENUS 301450:CGZXJ nidx=null parent=7P52M]
Mulsantia blanda
 - Mulsantia blanda Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X6X nidx=null]
 + Mulsantia blanda Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSH6 nidx=null]
Mulsantia spreta
 - Mulsantia spreta Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X6Z nidx=null]
 + Mulsantia spreta Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSHV nidx=null]
Murex varians
 - Murex varians A. d'Orbigny, 1841 [SYNONYM SPECIES 300004:44MLC nidx=null parent=7D8XM]
 + Murex varians A. d'Orbigny, 1839 [SYNONYM SPECIES 301450:CH7VX nidx=null parent=7D8XM]
Musca abrupta
 - Musca abrupta Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X73 nidx=null]
 + Musca abrupta Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSHY nidx=null]
Musca aestuans
 - Musca aestuans Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X75 nidx=null]
 + Musca aestuans Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSJH nidx=null]
Musca bicolor
 - Musca bicolor Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 300004:9JSKL nidx=null]
 + Musca bicolor Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 301450:B3X79 nidx=null]
Musca comio
 - Musca comio Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X7J nidx=null]
 + Musca comio Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSLZ nidx=null]
Musca conica
 - Musca conica Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X7L nidx=null]
 + Musca conica Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 301450:9KH7H nidx=null]
Musca convenio
 - Musca convenio Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X7N nidx=null]
 + Musca convenio Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSMD nidx=null]
Musca decore
 - Musca decore Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X7P nidx=null]
 + Musca decore Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSMM nidx=null]
Musca doclea
 - Musca doclea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X7S nidx=null]
 + Musca doclea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSMZ nidx=null]
Musca erythrocephala
 - Musca erythrocephala Fabricius, 1787 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X7X nidx=null]
 + Musca erythrocephala Fabricius, 1787 [PROVISIONALLY_ACCEPTED SPECIES 301450:9KH8D nidx=null]
Musca fimetorum
 - Musca fimetorum Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X82 nidx=null]
 + Musca fimetorum Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSNG nidx=null]
Musca flavipalpis
 - Musca flavipalpis Meigen, 1838 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X83 nidx=null]
 + Musca flavipalpis Meigen, 1838 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSNL nidx=null]
Musca gibbosa
 - Musca gibbosa Thunberg, 1789 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X86 nidx=null]
 + Musca gibbosa Thunberg, 1789 [PROVISIONALLY_ACCEPTED SPECIES 301450:9KH8W nidx=null]
Musca grisea
 - Musca grisea Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X87 nidx=null]
 + Musca grisea Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 301450:9KH94 nidx=null]
Musca guttata
 - Musca guttata Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X88 nidx=null]
 + Musca guttata Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSPB nidx=null]
Musca hebes
 - Musca hebes Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X8B nidx=null]
 + Musca hebes Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 301450:9KH98 nidx=null]
Musca helenii
 - Musca helenii Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X8C nidx=null]
 + Musca helenii Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSPK nidx=null]
Musca lincensis
 - Musca lincensis Schrank, 1776 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X8M nidx=null]
 + Musca lincensis Schrank, 1776 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSQY nidx=null]
Musca metallina
 - Musca metallina Gravenhorst, 1807 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X8X nidx=null]
 + Musca metallina Gravenhorst, 1807 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSRP nidx=null]
Musca nigripilis
 - Musca nigripilis Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X95 nidx=null]
 + Musca nigripilis Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSSF nidx=null]
Musca prodromaria
 - Musca prodromaria Panzer, 1804 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X97 nidx=null]
 + Musca prodromaria Panzer, 1804 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSTX nidx=null]
Musca prolabor
 - Musca prolabor Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X98 nidx=null]
 + Musca prolabor Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSTY nidx=null]
Musca sacalis
 - Musca sacalis Bjerkander, 1783 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X99 nidx=null]
 + Musca sacalis Bjerkander, 1783 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSWK nidx=null]
Musca terrestris
 - Musca terrestris Linnaeus, 1767 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X9B nidx=null]
 + Musca terrestris Linnaeus, 1767 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JSY2 nidx=null]
Musculus denysianus
 - Musculus denysianus (A. d'Orbigny, 1844) [SYNONYM SPECIES 300004:B8SXZ nidx=null parent=B8SY2]
 + Musculus denysianus [SYNONYM SPECIES 301450:CH7Z8 nidx=null parent=B8SY2]
Mycale (Carmia) hentscheli
 - Mycale (Carmia) hentscheli Hooper in Hooper & Wiedenmayer, 1994 [AMBIGUOUS_SYNONYM SPECIES 300004:CG4L5 nidx=null parent=86X4W]
 + Mycale (Carmia) hentscheli Hooper in Hooper & Wiedenmayer, 1994 [AMBIGUOUS_SYNONYM SPECIES 301450:CH82T nidx=null parent=86X4W]
Mycale (Carmia) microxea
 - Mycale (Carmia) microxea Vacelet, Vasseur & Lévi, 1976 [SYNONYM SPECIES 300004:CG4LH nidx=null parent=86X5D]
 + Mycale (Carmia) microxea Vacelet, Vasseur & Lévi, 1976 [SYNONYM SPECIES 301450:CH836 nidx=null parent=86X5D]
Mycetophila borealis
 - Mycetophila borealis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X9F nidx=null]
 + Mycetophila borealis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JT38 nidx=null]
Mydaea (Mydaria) rufisquama
 - Mydaea (Mydaria) rufisquama Schnabl, 1915 [SYNONYM SPECIES 300004:88QND nidx=null parent=7BXVP]
 + Mydaea (Mydaria) rufisquama Schnabl, 1915 [SYNONYM SPECIES 301450:4524P nidx=null parent=8FFFR]
Myiolepta luhei
 - †Myiolepta luhei Cockerell, 1910 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XDW nidx=null]
 + Myiolepta luhei Cockerell, 1910 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JT5Q nidx=null]
Myiophasia solitaria
 - Myiophasia solitaria Aldrich, 1934 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XDY nidx=null]
 + Myiophasia solitaria Aldrich, 1934 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JT66 nidx=null]
Myophora arvicola
 - Myophora arvicola Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XF9 nidx=null]
 + Myophora arvicola Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JT72 nidx=null]
Myophora rapida
 - Myophora rapida Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XFQ nidx=null]
 + Myophora rapida Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JT7Z nidx=null]
Myothyria degeerioides
 - Myothyria degeerioides Wulp, 1890 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XGC nidx=null]
 + Myothyria degeerioides Wulp, 1890 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JT8F nidx=null]
Mytilus denysianus
 - Mytilus denysianus A. d'Orbigny, 1844 [SYNONYM SPECIES 300004:BHXTQ nidx=null parent=B8SY2]
 + Mytilus denysianus [SYNONYM SPECIES 301450:CH92K nidx=null parent=B8SY2]
Myxobolus homeosporus
 - Myxobolus homeosporus (Baker, 2009) [ACCEPTED SPECIES 300004:BTYDK nidx=null]
 + Myxobolus homeosporus (Baker, 1963) [ACCEPTED SPECIES 301450:CH94Y nidx=null]
Myxobolus opiensis
 - Myxobolus opiensis Chen & Ma, 1998 [SYNONYM SPECIES 300004:CGMJG nidx=null parent=CG5VH]
 + Myxobolus opiensis Ma & Zhao, 1993 [ACCEPTED SPECIES 301450:CHKQF nidx=null]
Myxosoma homeospora
 - Myxosoma homeospora Baker, 2009 [SYNONYM SPECIES 300004:BTYVG nidx=null parent=BTYDK]
 + Myxosoma homeospora Baker, 1963 [SYNONYM SPECIES 301450:CH976 nidx=null parent=CH94Y]
Naesiotus habeli
 - Naesiotus habeli (Stearns, 1892) [ACCEPTED SPECIES 300004:CG63L nidx=null]
 + Naesiotus habeli (Dall, 1892) [ACCEPTED SPECIES 301450:CH9CV nidx=null]
Nannodiella elatior
 - Nannodiella elatior (A. d'Orbigny, 1842) [ACCEPTED SPECIES 300004:9CW37 nidx=null]
 + Nannodiella elatior (A. d'Orbigny, 1847) [ACCEPTED SPECIES 301450:744JY nidx=null]
Nassarius (Alectryon)
 - Nassarius (Alectryon) Berthold in Latreille, 1827 [SYNONYM SUBGENUS 300004:CFDQ6 nidx=null parent=7P9JP]
 + Nassarius (Alectryon) Berthold in Latreille, 1827 [SYNONYM SUBGENUS 301450:CGQH6 nidx=null parent=7P9JP]
Neascus hoffmani
 - Neascus hoffmani Pandey, 1973 [ACCEPTED SPECIES 300004:B2QSY nidx=null]
 + Neascus hoffmani Pandey, 1975 [ACCEPTED SPECIES 301450:CH7TC nidx=null]
Neascus komiyai
 - Neascus komiyai Pandey, 1973 [ACCEPTED SPECIES 300004:B2QWN nidx=null]
 + Neascus komiyai Pandey, 1975 [ACCEPTED SPECIES 301450:CH7TD nidx=null]
Necrophorus anglicus
 - Necrophorus anglicus Stephens, 1830 [SYNONYM SPECIES 300004:9MWGC nidx=null parent=9KJ39]
 + Necrophorus anglicus Stephens, 1830 [SYNONYM SPECIES 301450:CH7WW nidx=null parent=9KJ39]
 + Necrophorus anglicus Stephens, 1829 [SYNONYM SPECIES 301450:CH7WX nidx=null parent=9KJ39]
Nemocardium exasperatum
 - Nemocardium exasperatum [SYNONYM SPECIES 300004:BH9F7 nidx=null parent=6K253]
 + Nemocardium exasperatum (G. B. Sowerby II, 1839) [SYNONYM SPECIES 301450:CH869 nidx=null parent=6K253]
Nemotelus (Nemotelus) fraternus
 - Nemotelus (Nemotelus) fraternus Loew, 1846 [ACCEPTED SPECIES 300004:CDP8V nidx=null]
 + Nemotelus (Nemotelus) fraternus Loew, 1846 [ACCEPTED SPECIES 301450:CH884 nidx=null]
Nemotelus (Nemotelus) leucocephalus
 - Nemotelus (Nemotelus) leucocephalus Becker, 1902 [ACCEPTED SPECIES 300004:CG4RM nidx=null]
 + Nemotelus (Nemotelus) leucocephalus Becker, 1902 [ACCEPTED SPECIES 301450:CH885 nidx=null]
Nemotelus (Nemotelus) maryinellus
 - Nemotelus (Nemotelus) maryinellus Schiner, 1855 [ACCEPTED SPECIES 300004:C7WXP nidx=null]
 + Nemotelus (Nemotelus) maryinellus Schiner, 1855 [ACCEPTED SPECIES 301450:CH886 nidx=null]
Nemotelus (Nemotelus) punctirostris
 - Nemotelus (Nemotelus) punctirostris Lindner, 1974 [ACCEPTED SPECIES 300004:C7WXQ nidx=null]
 + Nemotelus (Nemotelus) punctirostris Lindner, 1974 [ACCEPTED SPECIES 301450:CH887 nidx=null]
Nemotelus (Nemotelus) zelleri
 - Nemotelus (Nemotelus) zelleri Pleske, 1937 [ACCEPTED SPECIES 300004:CG4RP nidx=null]
 + Nemotelus (Nemotelus) zelleri Pleske, 1937 [ACCEPTED SPECIES 301450:CH888 nidx=null]
Nemotelus rufus
 - Nemotelus rufus De Geer, 1776 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XGT nidx=null]
 + Nemotelus rufus De Geer, 1776 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JT97 nidx=null]
Nemotelus sylvestris
 - Nemotelus sylvestris Müller, 1776 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XGZ nidx=null]
 + Nemotelus sylvestris Müller, 1776 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JT9F nidx=null]
Nemoura arstica
 - Nemoura arstica [SYNONYM SPECIES 300004:8NH6X nidx=null parent=469NC]
 + Nemoura arstica Esben-Petersen, 1910 [SYNONYM SPECIES 301450:CH88F nidx=null parent=469NC]
Nemoura pallidura
 - Nemoura pallidura [SYNONYM SPECIES 300004:8NGRB nidx=null parent=54HCQ]
 + Nemoura pallidura (Banks, 1902) [SYNONYM SPECIES 301450:CH88L nidx=null parent=54HCQ]
Nemura
 - Nemura [SYNONYM GENUS 300004:8N7D2 nidx=null parent=8MQT5]
 + Nemura Latreille, 1796 [SYNONYM GENUS 301450:CH88M nidx=null parent=8MQT5]
Nemura (Nemura)
 - Nemura (Nemura) [SYNONYM SUBGENUS 300004:8NGSK nidx=null parent=8MQT5]
 + Nemura (Nemura) Latreille, 1796 [SYNONYM SUBGENUS 301450:CH88N nidx=null parent=8MQT5]
Neodiplostomum brachyurum
 - Neodiplostomum brachyurum (Nicoll, 1914) Dubois, 1937 [ACCEPTED SPECIES 300004:B6C6Z nidx=null]
 + Neodiplostomum brachyurum (Nicoll, 1914) Semenov, 1927 [ACCEPTED SPECIES 301450:CH8GT nidx=null]
Neodiplostomum cochleare
 - Neodiplostomum cochleare (Krause, 1914) La Rue, 1914 [ACCEPTED SPECIES 300004:B2LNT nidx=null]
 + Neodiplostomum cochleare (Krause, 1914) La Rue, 1926 [ACCEPTED SPECIES 301450:CH8H2 nidx=null]
Neodiplostomum magnitesticulatum
 - Neodiplostomum magnitesticulatum (Bisseru, 1957) Dubois, 1968 [ACCEPTED SPECIES 300004:9J8LL nidx=null]
 + Neodiplostomum magnitesticulatum (Bisseru, 1957) Dubois, 1962 [ACCEPTED SPECIES 301450:CH8H9 nidx=null]
Neomisticius
 - Neomisticius [ACCEPTED GENUS 300004:99V4L nidx=null]
 + Neomisticius Siddiqi, 1986 [ACCEPTED GENUS 301450:CH8M3 nidx=null]
Neoperla (Formosita) furcomaculata
 - Neoperla (Formosita) furcomaculata Kong & Li, 2016 [ACCEPTED SPECIES 300004:46PM7 nidx=null]
 + Neoperla (Formosita) furcomaculata Kong & Li, 2014 [ACCEPTED SPECIES 301450:CH8NM nidx=null]
Neoperla cavalerieri
 - Neoperla cavalerieri [SYNONYM SPECIES 300004:8NH6J nidx=null parent=46PKF]
 + Neoperla cavalerieri (Navás, 1922) [SYNONYM SPECIES 301450:CH8NQ nidx=null parent=46PKF]
Neoperla nipponnensis
 - Neoperla nipponnensis [SYNONYM SPECIES 300004:8N39Q nidx=null parent=46PQQ]
 + Neoperla nipponnensis McLachlan, 1875 [SYNONYM SPECIES 301450:CH8NN nidx=null parent=46PQQ]
Neoperla plagiata
 - Neoperla plagiata [SYNONYM SPECIES 300004:8NGZF nidx=null parent=8NHHK]
 + Neoperla plagiata (Navás, 1926) [SYNONYM SPECIES 301450:CH8NY nidx=null parent=8NHHK]
Neoperla sjöstedti
 - Neoperla sjöstedti Newman, 1839 [SYNONYM SPECIES 300004:8N39V nidx=null parent=46PT8]
 + Neoperla sjöstedti Klapálek, 1909 [SYNONYM SPECIES 301450:CH8NP nidx=null parent=46PT8]
Neophasganophora multispina
 - Neophasganophora multispina [SYNONYM SPECIES 300004:8NGRR nidx=null parent=664VX]
 + Neophasganophora multispina (Wu, 1938) [SYNONYM SPECIES 301450:CH8PJ nidx=null parent=664VX]
Nereis (Lycoris) cricognatha
 - Nereis (Lycoris) cricognatha Ehlers, 1904 [SYNONYM SPECIES 300004:C7T23 nidx=null parent=45Y43]
 + Nereis (Lycoris) cricognatha Ehlers, 1904 [SYNONYM SPECIES 301450:CH9H4 nidx=null parent=45Y43]
Neverita (Hypterita)
 - Neverita (Hypterita) Woodring, 1957 [SYNONYM SUBGENUS 300004:CFWB4 nidx=null parent=7P5LT]
 + Neverita (Hypterita) Woodring, 1957 [SYNONYM SUBGENUS 301450:CH3HJ nidx=null parent=7P5LT]
Nidalia moriferum
 - Nidalia moriferum Tixier-Durivault, 1954 [SYNONYM SPECIES 300004:CG6Q2 nidx=null parent=4DCL6]
 + Nidalia moriferum Tixier-Durivault, 1954 [SYNONYM SPECIES 301450:CH9SB nidx=null parent=4DCL6]
Noctua degener
 - Noctua degener [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 300004:BRCCN nidx=null parent=92YVY]
 + Noctua degener [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 301450:97NQW nidx=null parent=92YVY]
Noctua radicea
 - Noctua radicea [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 300004:BRCF7 nidx=null parent=92TR9]
 + Noctua radicea [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 301450:97NWJ nidx=null parent=92TR9]
Noctua spoliatricula
 - Noctua spoliatricula [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 300004:BRCFP nidx=null parent=92YVY]
 + Noctua spoliatricula [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 301450:97NXM nidx=null parent=92YVY]
Nogiperla japonica
 - Nogiperla japonica [AMBIGUOUS_SYNONYM SPECIES 300004:9HG76 nidx=null parent=5CSB3]
 + Nogiperla japonica (Uéno, 1929) [SYNONYM SPECIES 301450:CH896 nidx=null parent=5CSB3]
Notiphila peregrina
 - Notiphila peregrina Wiedemann, 1830 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XKK nidx=null]
 + Notiphila peregrina Wiedemann, 1830 [PROVISIONALLY_ACCEPTED SPECIES 301450:9V8GB nidx=null]
Ochthopetina cavalerieri
 - Ochthopetina cavalerieri [SYNONYM SPECIES 300004:8NGJS nidx=null parent=46PKF]
 + Ochthopetina cavalerieri (Navás, 1922) [SYNONYM SPECIES 301450:CH9QB nidx=null parent=46PKF]
Ochtiphila albiceps
 - Ochtiphila albiceps Meigen, 1830 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XLH nidx=null]
 + Ochtiphila albiceps Meigen, 1830 [PROVISIONALLY_ACCEPTED SPECIES 301450:9V8GW nidx=null]
Oediceros aequimanus
 - Oediceros aequimanus Kossmann, 1880 [SYNONYM SPECIES 300004:7XKHT nidx=null parent=4F2PJ]
 + Oediceros aequimanus Kossmann, 1880 [SYNONYM SPECIES 301450:48VQ6 nidx=null parent=4F2PJ]
Olidiana nigridorsum
 - Olidiana nigridorsum (Cai & Shen, 1998) [SYNONYM SPECIES 300004:CDV3R nidx=null parent=6SKP9]
 + Olidiana nigridorsum (Cai & Shen, 1998) [SYNONYM SPECIES 301450:CHBL5 nidx=null parent=6SKP9]
Oligota (Logiota)
 - Oligota (Logiota) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 300004:CG2MZ nidx=null parent=9JBCT]
 + Oligota (Logiota) Mulsant & Rey, 1873 [SYNONYM SUBGENUS 301450:CH6K9 nidx=null parent=9JBCT]
 + Oligota (Logiota) Mulsant & Rey, 1874 [SYNONYM SUBGENUS 301450:CH6KB nidx=null parent=9JBCT]
Omasaria funiculis
 - †Omasaria funiculis (Wolleman, 1902) [ACCEPTED SPECIES 300004:74K4G nidx=null]
 + Omasaria funiculis (Wollemann, 1899) [ACCEPTED SPECIES 301450:CH82P nidx=null]
Ommastrephes giganteus
 - Ommastrephes giganteus A. d'Orbigny, 1839–1842 [SYNONYM SPECIES 300004:CBGWK nidx=null parent=C9P5F]
 + Ommastrephes giganteus A. d'Orbigny, 1842 [SYNONYM SPECIES 301450:CH83L nidx=null parent=C9P5F]
Oncopsis (Oncopsis) juglans
 - Oncopsis (Oncopsis) juglans (Matsumura, 1912) [SYNONYM SPECIES 300004:CG4XK nidx=null parent=49JC4]
 + Oncopsis (Oncopsis) juglans (Matsumura, 1912) [SYNONYM SPECIES 301450:CH8DL nidx=null parent=49JC4]
Oncopsis (Oncopsis) towadensis
 - Oncopsis (Oncopsis) towadensis (Matsumura, 1912) [SYNONYM SPECIES 300004:CBJ54 nidx=null parent=49JC4]
 + Oncopsis (Oncopsis) towadensis (Matsumura, 1912) [SYNONYM SPECIES 301450:CH8DM nidx=null parent=49JC4]
Oncopsis scopulus
 - Oncopsis scopulus Evans, 1935 [SYNONYM SPECIES 300004:CG4XS nidx=null parent=8JVYZ]
 + Oncopsis scopulus Evans, 1935 [SYNONYM SPECIES 301450:CH8DR nidx=null parent=8JVYZ]
Onesia (Onesia) subapennina
 - Onesia (Onesia) subapennina Rondani, 1862 [ACCEPTED SPECIES 300004:C7V63 nidx=null]
 + Onesia (Onesia) subapennina Rondani, 1862 [ACCEPTED SPECIES 301450:CH8F9 nidx=null]
Onesia gentilis
 - Onesia gentilis Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XNS nidx=null]
 + Onesia gentilis Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JTGZ nidx=null]
Onthophagus (Colobonthophagus)
 - Onthophagus (Colobonthophagus) Balthasar, 1935 [ACCEPTED SUBGENUS 300004:63Y4W nidx=null]
 + Onthophagus (Colobonthophagus) Balthasar, 1963 [ACCEPTED SUBGENUS 301450:CGXD9 nidx=null]
Onthophagus (Gibbonthophagus)
 - Onthophagus (Gibbonthophagus) Balthasar, 1935 [ACCEPTED SUBGENUS 300004:B6SFD nidx=null]
 + Onthophagus (Gibbonthophagus) Balthasar, 1963 [ACCEPTED SUBGENUS 301450:CH2TX nidx=null]
Onthophagus (Phanaeomorphus)
 - Onthophagus (Phanaeomorphus) Balthasar, 1935 [ACCEPTED SUBGENUS 300004:649RW nidx=null]
 + Onthophagus (Phanaeomorphus) Balthasar, 1963 [ACCEPTED SUBGENUS 301450:CH8HN nidx=null]
Onthophagus (Serrophorus)
 - Onthophagus (Serrophorus) Balthasar, 1935 [ACCEPTED SUBGENUS 300004:B6SMB nidx=null]
 + Onthophagus (Serrophorus) Balthasar, 1963 [ACCEPTED SUBGENUS 301450:CH8HQ nidx=null]
Onthophagus (Strandius)
 - Onthophagus (Strandius) Balthasar, 1935 [ACCEPTED SUBGENUS 300004:63Y3Y nidx=null]
 + Onthophagus (Strandius) Balthasar, 1963 [ACCEPTED SUBGENUS 301450:CH8HR nidx=null]
Ortalis semivitta
 - Ortalis semivitta Walker, 1865 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XQ4 nidx=null]
 + Ortalis semivitta Walker, 1865 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JTKB nidx=null]
Otiorhynchus speiseri
 - Otiorhynchus speiseri Apfelbeck, 1895 [SYNONYM SPECIES 300004:CDQ5D nidx=null parent=373HR]
 + Otiorhynchus speiseri Apfelbeck, 1894 [SYNONYM SPECIES 301450:CH8QJ nidx=null parent=373HR]
 + Otiorhynchus speiseri Apfelbeck, 1895 [SYNONYM SPECIES 301450:CH8QK nidx=null parent=373HR]
Otiorhynchus vlasuljensis
 - Otiorhynchus vlasuljensis Apfelbeck, 1895 [SYNONYM SPECIES 300004:CBNRR nidx=null parent=6DBV9]
 + Otiorhynchus vlasuljensis Apfelbeck, 1894 [SYNONYM SPECIES 301450:CH8QS nidx=null parent=6DBV9]
 + Otiorhynchus vlasuljensis Apfelbeck, 1895 [SYNONYM SPECIES 301450:CH8QT nidx=null parent=6DBV9]
Palaeocolpodia eocenica
 - †Palaeocolpodia eocenica Meunier, 1904 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XVF nidx=null]
 + Palaeocolpodia eocenica Meunier, 1904 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JTQ7 nidx=null]
Palaeopipiza xenos
 - †Palaeopipiza xenos Meunier, 1902 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XVG nidx=null]
 + Palaeopipiza xenos Meunier, 1902 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JTQD nidx=null]
Palaeosphegina tristis
 - †Palaeosphegina tristis Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XVH nidx=null]
 + Palaeosphegina tristis Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JTQR nidx=null]
Pamirina evoluta
 - †Pamirina evoluta Rauzer-Chernousova, 1988 [PROVISIONALLY_ACCEPTED SPECIES 300004:836J7 nidx=null]
 + Pamirina evoluta Sheng & Sun, 1975 [SYNONYM SPECIES 301450:CHBFZ nidx=null parent=836J8]
Panagrolaimus coronatus
 - Panagrolaimus coronatus Fuchs, 1930 [SYNONYM SPECIES 300004:9C9PH nidx=null parent=88V5R]
 + Panagrolaimus coronatus (Fuchs, 1930) Thorne, 1939 [SYNONYM SPECIES 301450:CHBHD nidx=null parent=88V5R]
Panchax ansorgii
 - Panchax ansorgii () non Boulenger, 1911 [MISAPPLIED SPECIES 300004:CG7LK nidx=null parent=6G724]
 + Panchax ansorgii () [MISAPPLIED SPECIES 301450:CHBJZ nidx=null parent=6G724]
 + Panchax ansorgii () [MISAPPLIED SPECIES 301450:CHBK2 nidx=null parent=6G6RD]
Pangonia leucomelana
 - Pangonia leucomelana Séguy, 1933 [SYNONYM SPECIES 300004:89MQW nidx=null parent=8D9TL]
 + Pangonia leucomelana Séguy, 1933 [SYNONYM SPECIES 301450:4CCJZ nidx=null parent=8D9TL]
Pangonia senegalensis
 - Pangonia senegalensis Macquart, 1834 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XVW nidx=null]
 + Pangonia senegalensis Macquart, 1834 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JTTY nidx=null]
Papilio iarbus
 - Papilio iarbus Fabricius, 1787 [SYNONYM SPECIES 300004:CDVNG nidx=null parent=BZM88]
 + Papilio iarbus Fabricius, 1787 [SYNONYM SPECIES 301450:CHBV6 nidx=null parent=BZM88]
Paracypria tenuis
 - Paracypria tenuis (Sars, 1910) [ACCEPTED SPECIES 300004:4CSGZ nidx=null]
 + Paracypria tenuis (Sars, 1905) [ACCEPTED SPECIES 301450:CH9MQ nidx=null]
Paragnetina transversa
 - Paragnetina transversa [SYNONYM SPECIES 300004:8N3LR nidx=null parent=8NGRN]
 + Paragnetina transversa (Wu, 1962) [SYNONYM SPECIES 301450:4CVVB nidx=null parent=8NGRN]
Paragus (Pandasyopthalmus) chalybeatus
 - Paragus (Pandasyopthalmus) chalybeatus Hull, 1964 [ACCEPTED SPECIES 300004:92VKY nidx=null]
 + Paragus (Pandasyopthalmus) chalybeatus Hull, 1964 [ACCEPTED SPECIES 301450:4CWHT nidx=null]
Parantipathes (Aphanipathes) abietina
 - Parantipathes (Aphanipathes) abietina (Pourtalès, 1874) [SYNONYM SPECIES 300004:CDTCJ nidx=null parent=395GN]
 + Parantipathes (Aphanipathes) abietina (Pourtalès, 1874) [SYNONYM SPECIES 301450:CH9Y7 nidx=null parent=395GN]
Parantipathes (Aphanipathes) filix
 - Parantipathes (Aphanipathes) filix (Pourtalès, 1867) [SYNONYM SPECIES 300004:CBM9S nidx=null parent=36XMR]
 + Parantipathes (Aphanipathes) filix (Pourtalès, 1867) [SYNONYM SPECIES 301450:CH9Y8 nidx=null parent=36XMR]
Paraonis (Paraonides) lyra capensis
 - Paraonis (Paraonides) lyra capensis Day, 1955 [SYNONYM SUBSPECIES 300004:CG6Y4 nidx=null parent=BNSGP]
 + Paraonis (Paraonides) lyra capensis Day, 1955 [SYNONYM SUBSPECIES 301450:CH9YC nidx=null parent=BNSGP]
Parastenhelia forficula littoralis
 - Parastenhelia forficula littoralis (Claus, 1883) [ACCEPTED SUBSPECIES 300004:7HPSV nidx=null]
 + Parastenhelia forficula littoralis Sars, G.O., 1911 [ACCEPTED SUBSPECIES 301450:CHBDS nidx=null]
Parastentheliidae
 - Parastentheliidae Lang, 1936 [SYNONYM FAMILY 300004:BG479 nidx=null parent=7NKC2]
 + Parastentheliidae Lang, 1948 [SYNONYM FAMILY 301450:CHBDY nidx=null parent=7NKC2]
Pecten tehuelchus
 - Pecten tehuelchus A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:6TVKX nidx=null parent=64YTH]
 + Pecten tehuelchus A. d'Orbigny, 1846 [SYNONYM SPECIES 301450:CHCFK nidx=null parent=CGPCM]
Pectunculus bimaculatus var. crassa
 - Pectunculus bimaculatus var. crassa A. Koch & Pallary, 1900 [SYNONYM VARIETY 300004:CG8TZ nidx=null parent=6KMB5]
 + Pectunculus bimaculatus var. crassa A. Koch & Pallary, 1900 [SYNONYM VARIETY 301450:CHCHZ nidx=null parent=6KMB5]
Pediopsis nanus
 - Pediopsis nanus (Herrich-Schäffer, 1835) [SYNONYM SPECIES 300004:CDS39 nidx=null parent=3KWCF]
 + Pediopsis nanus (Herrich-Schäffer, 1835) [SYNONYM SPECIES 301450:CH9HN nidx=null parent=3KWCF]
Pegomya laminata
 - Pegomya laminata Ringdahl, 1951 [ACCEPTED SPECIES 300004:92VST nidx=null]
 + Pegomya laminata Ringdahl, 1951 [ACCEPTED SPECIES 301450:75XZC nidx=null]
Peltoperlopsis formosana
 - Peltoperlopsis formosana [SYNONYM SPECIES 300004:8N3PL nidx=null parent=ZYGD]
 + Peltoperlopsis formosana (Klapálek, 1913) [SYNONYM SPECIES 301450:76FXK nidx=null parent=ZYGD]
Peristichia pedroana
 - Peristichia pedroana (Dall & Bartsch, 1909) [ACCEPTED SPECIES 300004:4F4ZV nidx=null]
 + Peristichia pedroana (Dall & Bartsch, 1903) [ACCEPTED SPECIES 301450:CHBL4 nidx=null]
Perla coreana
 - Perla coreana [SYNONYM SPECIES 300004:8N3QW nidx=null parent=4BMSS]
 + Perla coreana (Okamoto, 1921) [SYNONYM SPECIES 301450:4F697 nidx=null parent=4BMSS]
Perla tripunctata
 - Perla tripunctata [SYNONYM SPECIES 300004:8NH9C nidx=null parent=69XXH]
 + Perla tripunctata (Scopoli, 1763) [SYNONYM SPECIES 301450:CHBLV nidx=null parent=69XXH]
Pestalichomolgus
 - Pestalichomolgus Wilson C.B., 1924 [SYNONYM GENUS 300004:BGMXL nidx=null parent=7P5S2]
 + Pestalichomolgus Wilson C.B., 1932 [SYNONYM GENUS 301450:CHBPS nidx=null parent=7P5S2]
Petalodiplostomum
 - Petalodiplostomum Dubois, 1960 [SYNONYM GENUS 300004:BGMXR nidx=null parent=9HMMZ]
 + Petalodiplostomum Dubois, 1936 [SYNONYM GENUS 301450:CHBQP nidx=null parent=9HMMZ]
Phacoides (Epilucina)
 - Phacoides (Epilucina) Dall, 1901 [SYNONYM SUBGENUS 300004:CFMR5 nidx=null parent=7NYX6]
 + Phacoides (Epilucina) Dall, 1901 [SYNONYM SUBGENUS 301450:CGWV7 nidx=null parent=7NYX6]
Phaenocladius karicus
 - Phaenocladius karicus Chernovsky, 1944 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XYB nidx=null]
 + Phaenocladius karicus Chernovsky, 1944 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JVF9 nidx=null]
Phalaena (Noctua) fagi
 - Phalaena (Noctua) fagi Linnaeus, 1758 [SYNONYM SPECIES 300004:94CYF nidx=null parent=93PHG]
 + Phalaena (Noctua) fagi Linnaeus, 1758 [SYNONYM SPECIES 301450:BRCX7 nidx=null parent=93PHG]
Phalaena (Pyralis) sulphuralis
 - Phalaena (Pyralis) sulphuralis Linnaeus, 1767 [SYNONYM SPECIES 300004:BRCZ8 nidx=null parent=93PQG]
 + Phalaena (Pyralis) sulphuralis Linnaeus, 1767 [SYNONYM SPECIES 301450:97YMT nidx=null parent=93PQG]
Phalaena (Tinea) goedartella
 - Phalaena (Tinea) goedartella Linnaeus, 1758 [SYNONYM SPECIES 300004:94CZG nidx=null parent=BFLFD]
 + Phalaena (Tinea) goedartella Linnaeus, 1758 [SYNONYM SPECIES 301450:BRCXH nidx=null parent=BFLFD]
Phalaena (Tortrix) avellana
 - Phalaena (Tortrix) avellana Linnaeus, 1758 [AMBIGUOUS_SYNONYM SPECIES 300004:CG8KC nidx=null parent=G9HH]
 + Phalaena (Tortrix) avellana Linnaeus, 1758 [AMBIGUOUS_SYNONYM SPECIES 301450:CHC8P nidx=null parent=G9HH]
Phanaeus lautus
 - Phanaeus lautus MacLeay, 1819 [SYNONYM SPECIES 300004:7Y4LS nidx=null parent=7ZQ4T]
 + Phanaeus lautus MacLeay, 1819 [SYNONYM SPECIES 301450:4FSMT nidx=null parent=7ZQ4T]
Philinta flava
 - Philinta flava Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3Y23 nidx=null]
 + Philinta flava Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JVGQ nidx=null]
Pholas crucifera
 - Pholas crucifera auct. [SYNONYM SPECIES 300004:CBTPK nidx=null parent=33N9Q]
 + Pholas crucifera [SYNONYM SPECIES 301450:4GKVZ nidx=null parent=33N9Q]
Phora gigantea
 - Phora gigantea Enderlein, 1912 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3Y2M nidx=null]
 + Phora gigantea Enderlein, 1912 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JVHG nidx=null]
Phyllophora
 - Phyllophora Milne Edwards H., 1840 [SYNONYM GENUS 300004:BDXWG nidx=null parent=7PRTT]
 + Phyllophora [SYNONYM GENUS 301450:63MN9 nidx=null parent=8NXBM]
 + Phyllophora Milne Edwards, 1840 [SYNONYM GENUS 301450:CHC4T nidx=null parent=7PRTT]
 + Phyllophora [SYNONYM GENUS 301450:CHC4V nidx=null parent=8NXBM]
Pilocamptus kamerunensis kamerunensis
 - Pilocamptus kamerunensis kamerunensis Kiefer, 1928 [ACCEPTED SUBSPECIES 300004:B8KZG nidx=null]
 + Pilocamptus kamerunensis kamerunensis Kiefer, 1928 [SYNONYM SUBSPECIES 301450:BCS8S nidx=null parent=8FV4Q]
Pilsbryspira albomaculata
 - Pilsbryspira albomaculata (A. d'Orbigny, 1842) [ACCEPTED SPECIES 300004:7SQ3C nidx=null]
 + Pilsbryspira albomaculata (A. d'Orbigny, 1847) [SYNONYM SPECIES 301450:4HVN8 nidx=null parent=4HVNT]
Pinna listeri
 - Pinna listeri A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:4HYTH nidx=null parent=JL77]
 + Pinna listeri A. d'Orbigny, 1846 [SYNONYM SPECIES 301450:CHBKV nidx=null parent=JL77]
Pinna patagonica
 - Pinna patagonica A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:77LKD nidx=null parent=JL77]
 + Pinna patagonica A. d'Orbigny, 1846 [SYNONYM SPECIES 301450:CHBKW nidx=null parent=JL77]
Pinnotheres monodactylum
 - Pinnotheres monodactylum Say, 1818 [SYNONYM SPECIES 300004:7Y7YC nidx=null parent=84H9L]
 + Pinnotheres monodactylum Say, 1818 [SYNONYM SPECIES 301450:4HZ7P nidx=null parent=84H9L]
Piophila senescens
 - Piophila senescens Melander & Spuler, 1917 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3Y67 nidx=null]
 + Piophila senescens Melander & Spuler, 1917 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JVTT nidx=null]
Plagioporus lobatus
 - Plagioporus lobatus (Yamaguti, 1934) Manter, 1947 [SYNONYM SPECIES 300004:CDW6H nidx=null parent=3ZZTS]
 + Plagioporus lobatus (Yamaguti, 1934) Manter, 1947 [SYNONYM SPECIES 301450:CHC3Q nidx=null parent=3ZZTS]
Planaria gesserensis
 - Planaria gesserensis Müller, 1788 [SYNONYM SPECIES 300004:4JJ8N nidx=null parent=3V2RM]
 + Planaria gesserensis Müller, 1780 [SYNONYM SPECIES 301450:CHC4Q nidx=null parent=3V2RM]
Platymoideus gutterans
 - Platymoideus gutterans (Ball, 1931) [SYNONYM SPECIES 300004:CG935 nidx=null parent=9KSM7]
 + Platymoideus gutterans (Ball, 1931) [SYNONYM SPECIES 301450:CHCMF nidx=null parent=9KSM7]
Platynotus
 - Platynotus De Haan, 1835 [SYNONYM GENUS 300004:B8Z69 nidx=null parent=7PGD8]
 + Platynotus De Haan, 1833 [SYNONYM GENUS 301450:CH2VF nidx=null parent=7PGD8]
Plectogona vignai inermis
 - Plectogona vignai inermis (Strasser, 1970) [ACCEPTED SUBSPECIES 300004:CDXLB nidx=null]
 + Plectogona vignai inermis (Strasser, 1970) [ACCEPTED SUBSPECIES 301450:CHCST nidx=null]
Plectus tenuis
 - Plectus tenuis de Man, 1884 [PROVISIONALLY_ACCEPTED SPECIES 300004:88YM4 nidx=null]
 + Plectus tenuis Bastian, 1865 [ACCEPTED SPECIES 301450:88YM3 nidx=null]
Plethocrossus longispina gananicolus
 - Plethocrossus longispina gananicolus (Silvestri, 1898) [ACCEPTED SUBSPECIES 300004:CG9N3 nidx=null]
 + Plethocrossus longispina gananicolus (Silvestri, 1898) [ACCEPTED SUBSPECIES 301450:CHD3L nidx=null]
Plethokrossus longispinus gananicolus
 - Plethokrossus longispinus gananicolus (Silvestri, 1898) [SYNONYM SUBSPECIES 300004:CG9N6 nidx=null parent=CG9N3]
 + Plethokrossus longispinus gananicolus (Silvestri, 1898) [SYNONYM SUBSPECIES 301450:CHD3N nidx=null parent=CHD3L]
Pleurocrypta galatheae
 - Pleurocrypta galatheae auct. [SYNONYM SPECIES 300004:CBVWS nidx=null parent=4KBB6]
 + Pleurocrypta galatheae [SYNONYM SPECIES 301450:4KBB5 nidx=null parent=4KBB6]
Pleurogenes sitapurii
 - Pleurogenes sitapurii Srivastava, 1934 [SYNONYM SPECIES 300004:8K3WT nidx=null parent=84CDL]
 + Pleurogenes sitapurii Srivastava, 1934 [SYNONYM SPECIES 301450:84CD4 nidx=null parent=84CDL]
Pleuromamma abdominalis abyssalis
 - Pleuromamma abdominalis abyssalis (Giesbrecht, 1893) [ACCEPTED SUBSPECIES 300004:7HSRP nidx=null]
 + Pleuromamma abdominalis abyssalis Steuer, 1932 [ACCEPTED SUBSPECIES 301450:CHD7C nidx=null]
Pleurotoma elatior
 - Pleurotoma elatior A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:9D4J5 nidx=null parent=9CW37]
 + Pleurotoma elatior A. d'Orbigny, 1847 [SYNONYM SPECIES 301450:CHDBX nidx=null parent=744JY]
Plocamia karykinos
 - Plocamia karykinos de Laubenfels, 1927 [SYNONYM SPECIES 300004:CDYT5 nidx=null parent=67CMV]
 + Plocamia karykinos de Laubenfels, 1927 [SYNONYM SPECIES 301450:CHDG2 nidx=null parent=67CMV]
Podocoryne americana
 - Podocoryne americana Mayer, 1900 [SYNONYM SPECIES 300004:4KQJ7 nidx=null parent=4KQHF]
 + Podocoryne americana Mayer, 1910 [SYNONYM SPECIES 301450:CHBNC nidx=null parent=4KQHF]
Polleniomyia
 - Polleniomyia Jacentkovský, 1942 [SYNONYM GENUS 300004:C5WBR nidx=null parent=BY3X5]
 + Polleniomyia Jacentkovský, 1941 [SYNONYM GENUS 301450:CHBX3 nidx=null parent=BY3X5]
 + Polleniomyia Jacentkovský, 1942 [SYNONYM GENUS 301450:CHBX4 nidx=null parent=BY3X5]
Polycystis (Acrorhynchus) caledonica
 - Polycystis (Acrorhynchus) caledonica (Claparède, 1861) Meixner, 1924 [SYNONYM SPECIES 300004:C5WFJ nidx=null parent=64NF2]
 + Polycystis (Acrorhynchus) caledonica (Claparède, 1861) Meixner, 1924 [SYNONYM SPECIES 301450:CHC39 nidx=null parent=64NF2]
Polydesmus sallei
 - Polydesmus sallei DeSaussure, 1860 [SYNONYM SPECIES 300004:935LY nidx=null parent=994CQ]
 + Polydesmus sallei DeSaussure, 1860 [SYNONYM SPECIES 301450:4L5T6 nidx=null parent=994CQ]
Polymesoda (Neocyrena) fontainei
 - Polymesoda (Neocyrena) fontainei (A. d'Orbigny, 1942) [SYNONYM SPECIES 300004:7SSG7 nidx=null parent=4LBDJ]
 + Polymesoda (Neocyrena) fontainei (A. d'Orbigny, 1846) [SYNONYM SPECIES 301450:CHCB2 nidx=null parent=CHC9Z]
Polymesoda fontainei
 - Polymesoda fontainei (A. d'Orbigny, 1842) [ACCEPTED SPECIES 300004:4LBDJ nidx=null]
 + Polymesoda fontainei (A. d'Orbigny, 1846) [ACCEPTED SPECIES 301450:CHC9Z nidx=null]
Polymixis atossa
 - Polymixis atossa Hacker, 1990 [SYNONYM SPECIES 300004:BMW4K nidx=null parent=95CDL]
 + Polymixis atossa Hacker, 1990 [SYNONYM SPECIES 301450:95CDN nidx=null parent=95CDL]
Polypedilum (Polypedilum) flavipes
 - Polypedilum (Polypedilum) flavipes Kieffer, 1920 [ACCEPTED SPECIES 300004:CDWT9 nidx=null]
 + Polypedilum (Polypedilum) flavipes Kieffer, 1920 [ACCEPTED SPECIES 301450:CHCDD nidx=null]
Polypedilum (Polypedilum) pharao
 - Polypedilum (Polypedilum) pharao Kieffer, 1925 [ACCEPTED SPECIES 300004:CDWTP nidx=null]
 + Polypedilum (Polypedilum) pharao Kieffer, 1925 [ACCEPTED SPECIES 301450:CHCDL nidx=null]
Polypedilum (Polypedilum) pruinosum
 - Polypedilum (Polypedilum) pruinosum Goetghebuer, 1934 [ACCEPTED SPECIES 300004:CDWTQ nidx=null]
 + Polypedilum (Polypedilum) pruinosum Goetghebuer, 1934 [ACCEPTED SPECIES 301450:CHCDM nidx=null]
Pomphigus spyrothecae
 - Pomphigus spyrothecae Passerini, 1860 [SYNONYM SPECIES 300004:8PHXL nidx=null parent=8PGSX]
 + Pomphigus spyrothecae Passerini, 1860 [SYNONYM SPECIES 301450:4LR5K nidx=null parent=8PGSX]
Pontia
 - Pontia Milne Edwards H., 1828 [SYNONYM GENUS 300004:BDXDB nidx=null parent=7PTPR]
 + Pontia Milne Edwards, 1828 [SYNONYM GENUS 301450:CHCY3 nidx=null parent=7PTPR]
Posterobranchus
 - Posterobranchus A. d'Orbigny, 1835 [SYNONYM GENUS 300004:BGNSM nidx=null parent=7P9K9]
 + Posterobranchus [SYNONYM GENUS 301450:CHD9G nidx=null parent=7P9K9]
Praephiline finmarchica
 - Praephiline finmarchica (M. Sars, 1859) [SYNONYM SPECIES 300004:4M8LY nidx=null parent=3S87Y]
 + Praephiline finmarchica (M. Sars, 1859) [ACCEPTED SPECIES 301450:7SSZ6 nidx=null]
Proepipona lateralis
 - Proepipona lateralis (Fabricius, 1781) [ACCEPTED SPECIES 300004:4MQNP nidx=null]
 + Proepipona lateralis (Fabricius, 1781) [ACCEPTED SPECIES 301450:CHCJD nidx=null]
 + Proepipona lateralis (Fabricius, 1781) [AMBIGUOUS_SYNONYM SPECIES 301450:CHCJG nidx=null parent=5KNTK]
Proepipona rhodesiensis
 - Proepipona rhodesiensis (Giordani Soika, 1941) [ACCEPTED SPECIES 300004:BJPR2 nidx=null]
 + Proepipona rhodesiensis (Giordani Soika, 1941) [ACCEPTED SPECIES 301450:CHCJH nidx=null]
Proforficula
 - Proforficula Steinmann, 1990 [ACCEPTED GENUS 300004:8MTQD nidx=null]
 + Proforficula Steinmann, 1993 [ACCEPTED GENUS 301450:CHCJR nidx=null]
Proparasitylenchus
 - Proparasitylenchus [ACCEPTED GENUS 300004:9B7FZ nidx=null]
 + Proparasitylenchus (Wachek, 1955) Nickle, 1967 [ACCEPTED GENUS 301450:CHCMV nidx=null]
Propontocypris (Ekpontocypris) epicyrta
 - Propontocypris (Ekpontocypris) epicyrta Maddocks, 1969 [SYNONYM SPECIES 300004:CDXBT nidx=null parent=38W8W]
 + Propontocypris (Ekpontocypris) epicyrta Maddocks, 1969 [SYNONYM SPECIES 301450:CHCNF nidx=null parent=38W8W]
Propontocypris (Propontocypris) minacis
 - Propontocypris (Propontocypris) minacis Maddocks in Maddocks & Iliffe, 1986 [SYNONYM SPECIES 300004:CG944 nidx=null parent=3R2R7]
 + Propontocypris (Propontocypris) minacis Maddocks in Maddocks & Iliffe, 1986 [SYNONYM SPECIES 301450:CHCNH nidx=null parent=3R2R7]
Prorhynchida
 - Prorhynchida Laumer & Giribet, 2014 [ACCEPTED ORDER 300004:7NG9J nidx=null]
 + Prorhynchida Karling, 1974 [ACCEPTED ORDER 301450:CHCP4 nidx=null]
Prostemmiulus modicus var. cordovanus
 - Prostemmiulus modicus var. cordovanus Silvestri, 1916 [SYNONYM VARIETY 300004:CDXJ4 nidx=null parent=B77FL]
 + Prostemmiulus modicus var. cordovanus Silvestri, 1916 [SYNONYM VARIETY 301450:CHCRD nidx=null parent=B77FL]
Proterorhynchus argentinus
 - Proterorhynchus argentinus Brèthes, 1912 [SYNONYM SPECIES 300004:8CNJN nidx=null parent=C2SPK]
 + Proterorhynchus argentinus Brèthes, 1912 [SYNONYM SPECIES 301450:4N3MH nidx=null parent=C2SPK]
Protomedeia (Cheirimedia) macrocarpa
 - Protomedeia (Cheirimedia) macrocarpa Bulyčeva, 1952 [SYNONYM SPECIES 300004:CG9LQ nidx=null parent=TTWH]
 + Protomedeia (Cheirimedia) macrocarpa Bulyčeva, 1952 [SYNONYM SPECIES 301450:CHD28 nidx=null parent=TTWH]
Protomyia fusca
 - †Protomyia fusca Oustalet, 1870 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YDJ nidx=null]
 + Protomyia fusca Oustalet, 1870 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JW6S nidx=null]
Protonemura maclachlani
 - Protonemura maclachlani [SYNONYM SPECIES 300004:8NGWQ nidx=null parent=3PNFN]
 + Protonemura maclachlani (Kimmins, 1950) [SYNONYM SPECIES 301450:CHD2G nidx=null parent=3PNFN]
Protonemura nyakmadongi
 - Protonemura nyakmadongi [SYNONYM SPECIES 300004:8NGTY nidx=null parent=3PNFT]
 + Protonemura nyakmadongi (Aubert, 1967) [SYNONYM SPECIES 301450:CHD2H nidx=null parent=3PNFT]
Protonemura umbrosa
 - Protonemura umbrosa [SYNONYM SPECIES 300004:8N4C6 nidx=null parent=5KPDT]
 + Protonemura umbrosa Illies, 1966 [SYNONYM SPECIES 301450:CHD2K nidx=null parent=5KPDT]
Prozvenella bangaloriensis
 - Prozvenella bangaloriensis [SYNONYM SPECIES 300004:BV6DG nidx=null parent=4N88R]
 + Prozvenella bangaloriensis Desutter-Grandcolas, Metrani & Balakrishnan, 2003 [SYNONYM SPECIES 301450:CHD7J nidx=null parent=4N88R]
Prunum avenacea
 - Prunum avenacea auct. [SYNONYM SPECIES 300004:CBVPF nidx=null parent=4N8HW]
 + Prunum avenacea [SYNONYM SPECIES 301450:4N8HP nidx=null parent=4N8HW]
Prunum bellum
 - Prunum bellum auct. [SYNONYM SPECIES 300004:CBVPG nidx=null parent=4N8HW]
 + Prunum bellum [SYNONYM SPECIES 301450:4N8HX nidx=null parent=4N8HW]
Psalidognathus wallisii
 - Psalidognathus wallisii Taschenberg, 1870 [SYNONYM SPECIES 300004:CBVY5 nidx=null parent=BJY8V]
 + Psalidognathus wallisii Taschenberg, 1870 [SYNONYM SPECIES 301450:BPMSN nidx=null parent=BJY8V]
Psammopsyllidae
 - Psammopsyllidae [SYNONYM FAMILY 300004:BG4CL nidx=null parent=7NJCG]
 + Psammopsyllidae Krishnaswamy, 1956 [SYNONYM FAMILY 301450:CHDFF nidx=null parent=7NJCG]
Psammopsyllinae
 - Psammopsyllinae [ACCEPTED SUBFAMILY 300004:7ZFQ9 nidx=null]
 + Psammopsyllinae Krishnaswamy, 1956 [ACCEPTED SUBFAMILY 301450:CHDFG nidx=null]
Pseudameira mixta mixta
 - Pseudameira mixta mixta Sars M., 1920 [ACCEPTED SUBSPECIES 300004:7ZHDW nidx=null]
 + Pseudameira mixta mixta Sars G.O., 1920 [ACCEPTED SUBSPECIES 301450:CHDJW nidx=null]
Pseudamnicola (Corrosella) valladolensis kahbei
 - Pseudamnicola (Corrosella) valladolensis kahbei Boeters, Girardi & Knebelsberger, 2015 [SYNONYM SUBSPECIES 300004:CDZ2D nidx=null parent=5DX2G]
 + Pseudamnicola (Corrosella) valladolensis kahbei Boeters, H. Girardi & Knebelsberger, 2015 [SYNONYM SUBSPECIES 301450:7KQ3W nidx=null parent=5DX2G]
Pseudoamnicola
 - Pseudoamnicola auct. [SYNONYM GENUS 300004:CBY2K nidx=null parent=7PDPZ]
 + Pseudoamnicola [SYNONYM GENUS 301450:BGP9N nidx=null parent=7PDPZ]
Pseudocalanidae
 - Pseudocalanidae Giesbrecht, 1895 [SYNONYM FAMILY 300004:BG4CN nidx=null parent=7NGTN]
 + Pseudocalanidae Sars G.O., 1901 [SYNONYM FAMILY 301450:CHDX9 nidx=null parent=7NGTN]
Pseudocnus köllikeri
 - Pseudocnus köllikeri Panning, 1949 [SYNONYM SPECIES 300004:BHG5D nidx=null parent=6WDRD]
 + Pseudocnus köllikeri of Panning, 1949 [SYNONYM SPECIES 301450:CHDZJ nidx=null parent=6WDRD]
Pseudofentonia (Dymantis) tiga
 - Pseudofentonia (Dymantis) tiga Schintlmeister, 1997 [SYNONYM SPECIES 300004:BMWFS nidx=null parent=C7JG2]
 + Pseudofentonia (Dymantis) tiga Schintlmeister, 1997 [SYNONYM SPECIES 301450:6WFWQ nidx=null parent=C7JG2]
Pseudofentonia (Eufentonia) emiror
 - Pseudofentonia (Eufentonia) emiror Schintlmeister, 1989 [SYNONYM SPECIES 300004:BMWFP nidx=null parent=C4MJT]
 + Pseudofentonia (Eufentonia) emiror Schintlmeister, 1989 [SYNONYM SPECIES 301450:78G8L nidx=null parent=C4MJT]
Pseudohormomyia orientalis
 - Pseudohormomyia orientalis Rao, 1956 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YDW nidx=null]
 + Pseudohormomyia orientalis Rao, 1956 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JW8M nidx=null]
Pseudokatosira undulata
 - †Pseudokatosira undulata (Zieten, 1830) [ACCEPTED SPECIES 300004:9ZPFS nidx=null]
 + Pseudokatosira undulata (Zieten, 1832) [ACCEPTED SPECIES 301450:7SV3D nidx=null]
Pseudokuzicus (Pseudokuzicus)
 - Pseudokuzicus (Pseudokuzicus) Gorochov, 1993 [ACCEPTED SUBGENUS 300004:CB2GS nidx=null]
 + Pseudokuzicus (Pseudokuzicus) Gorochov, 1993 [ACCEPTED SUBGENUS 301450:CH49G nidx=null]
Pseudosimnia wieseorum
 - Pseudosimnia wieseorum Lorenz, 1985 [ACCEPTED SPECIES 300004:6WGH5 nidx=null]
 + Pseudosimnia wieseorum Lorenz, 1987 [ACCEPTED SPECIES 301450:CHD35 nidx=null]
Pseudosphegina dichoptica
 - †Pseudosphegina dichoptica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YF8 nidx=null]
 + Pseudosphegina dichoptica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWB2 nidx=null]
Psila (Psila) hennigi
 - Psila (Psila) hennigi (Thompson & Pont, 1994) [ACCEPTED SPECIES 300004:8DJHJ nidx=null]
 + Psila (Psila) hennigi (Thompson & Pont, 1994) [ACCEPTED SPECIES 301450:4PG6X nidx=null]
Psilopus ducalis
 - Psilopus ducalis Rondani, 1850 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFC nidx=null]
 + Psilopus ducalis Rondani, 1850 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWG8 nidx=null]
Psilopus gemmatus
 - Psilopus gemmatus Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFD nidx=null]
 + Psilopus gemmatus Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWGB nidx=null]
Psilopus leiopus
 - Psilopus leiopus Doleschall, 1856 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFF nidx=null]
 + Psilopus leiopus Doleschall, 1856 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWGH nidx=null]
Psilopus nitidus
 - Psilopus nitidus Walker, 1852 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFG nidx=null]
 + Psilopus nitidus Walker, 1852 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWGK nidx=null]
Psilopus palmetorum
 - Psilopus palmetorum Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFH nidx=null]
 + Psilopus palmetorum Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWGM nidx=null]
Psilopus restrictus
 - Psilopus restrictus Hutton, 1901 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFK nidx=null]
 + Psilopus restrictus Hutton, 1901 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWGV nidx=null]
Psilopus saphirus
 - Psilopus saphirus Bigot, 1858 [SYNONYM SPECIES 300004:8D6F6 nidx=null parent=9H8MR]
 + Psilopus saphirus Bigot, 1858 [SYNONYM SPECIES 301450:4PJGL nidx=null parent=9H8MR]
Psilosciara delphinii
 - Psilosciara delphinii Séguy, 1961 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFL nidx=null]
 + Psilosciara delphinii Séguy, 1961 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWH5 nidx=null]
Psilota tabidosa
 - †Psilota tabidosa Scudder, 1890 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFM nidx=null]
 + Psilota tabidosa Scudder, 1890 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWH7 nidx=null]
Psychoda fimbriatissima
 - Psychoda fimbriatissima Blanchard, 1854 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YJ2 nidx=null]
 + Psychoda fimbriatissima Blanchard, 1854 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWHH nidx=null]
Pterocera (Millepes)
 - Pterocera (Millepes) Mörch, 1852 [SYNONYM SUBGENUS 300004:CB4Y8 nidx=null parent=7P6TV]
 + Pterocera (Millepes) Mörch, 1852 [SYNONYM SUBGENUS 301450:CH52S nidx=null parent=7P6TV]
Ptilomera (Proptilomera) himalayensis
 - Ptilomera (Proptilomera) himalayensis Hungerford & Matsuda, 1958 [ACCEPTED SPECIES 300004:7WPB2 nidx=null]
 + Ptilomera (Proptilomera) himalayensis Hungerford & Matsuda, 1958 [ACCEPTED SPECIES 301450:4Q87S nidx=null]
Ptilozeuxia termitoxena
 - Ptilozeuxia termitoxena Silvestri, 1903 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YN5 nidx=null]
 + Ptilozeuxia termitoxena Silvestri, 1903 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWJF nidx=null]
Pycna beccarii
 - Pycna beccarii (Lethierry, 1881) [SYNONYM SPECIES 300004:CBVHL nidx=null parent=8JS35]
 + Pycna beccarii (Lethierry, 1881) [SYNONYM SPECIES 301450:CHFLX nidx=null parent=8JS35]
Pycnopalpa (Pycnopalpa)
 - Pycnopalpa (Pycnopalpa) Serville, 1838 [ACCEPTED SUBGENUS 300004:BMLWG nidx=null]
 + Pycnopalpa (Pycnopalpa) Serville, 1838 [ACCEPTED SUBGENUS 301450:CHC62 nidx=null]
Radiolus
 - †Radiolus auct. [PROVISIONALLY_ACCEPTED GENUS 300004:CBPV2 nidx=null]
 + Radiolus [PROVISIONALLY_ACCEPTED GENUS 301450:76RQ nidx=null]
Rana aurora draytonii
 - Rana aurora draytonii Baird & Girard, 1852 [SYNONYM SUBSPECIES 300004:CBZQD nidx=null parent=4RDNY]
 + Rana aurora draytonii Baird & Girard, 1852 [SYNONYM SUBSPECIES 301450:CHDHP nidx=null parent=4RDNY]
Recilia (Insulanus) hospes
 - Recilia (Insulanus) hospes (Linnavuori, 1960) non Kirkaldy, 1904 [SYNONYM SPECIES 300004:CGBXG nidx=null parent=8RLS5]
 + Recilia (Insulanus) hospes (Linnavuori, 1960) [SYNONYM SPECIES 301450:CHDXF nidx=null parent=8RLS5]
Recilia (Togacephalus) distincta
 - Recilia (Togacephalus) distincta (Motschulsky, 1859) [SYNONYM SPECIES 300004:CGBXJ nidx=null parent=8RLTK]
 + Recilia (Togacephalus) distincta (Motschulsky, 1859) [SYNONYM SPECIES 301450:CHDXH nidx=null parent=8RLTK]
Rhabdotylus planiventris
 - Rhabdotylus planiventris (Wiedemann, 1828) [ACCEPTED SPECIES 300004:92WRF nidx=null]
 + Rhabdotylus planiventris (Wiedemann, 1828) [ACCEPTED SPECIES 301450:8DKZ3 nidx=null]
Rhaetofungivora perrecticulata
 - †Rhaetofungivora perrecticulata Rohdendorf, 1964 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YQR nidx=null]
 + Rhaetofungivora perrecticulata Rohdendorf, 1964 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWM2 nidx=null]
Rhagio bicolor
 - Rhagio bicolor Fabricius, 1794 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YQS nidx=null]
 + Rhagio bicolor Fabricius, 1794 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWM5 nidx=null]
Rhagium (Rhagium) mordax
 - Rhagium (Rhagium) mordax [SYNONYM SPECIES 300004:CF2FQ nidx=null parent=4RYQ9]
 + Rhagium (Rhagium) mordax [SYNONYM SPECIES 301450:CHFB3 nidx=null parent=4RYQ9]
Rhamphomyia (Rhamphomyia) janovensis
 - Rhamphomyia (Rhamphomyia) janovensis Barták, 1981 [ACCEPTED SPECIES 300004:8DLSC nidx=null]
 + Rhamphomyia (Rhamphomyia) janovensis Barták, 1981 [ACCEPTED SPECIES 301450:4S32T nidx=null]
Rhopalomyzus (Rhopalomyzus)
 - Rhopalomyzus (Rhopalomyzus) Mordvilko, 1921 [ACCEPTED SUBGENUS 300004:8Q6M3 nidx=null]
 + Rhopalomyzus (Rhopalomyzus) Mordvilko, 1921 [ACCEPTED SUBGENUS 301450:CH43W nidx=null]
Rhopalopsole okamoto
 - Rhopalopsole okamoto [SYNONYM SPECIES 300004:8N4RT nidx=null parent=4CYTD]
 + Rhopalopsole okamoto (Claassen, 1936) [SYNONYM SPECIES 301450:4SLJJ nidx=null parent=4CYTD]
Rhynchomyia bicolor
 - Rhynchomyia bicolor Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YVH nidx=null]
 + Rhynchomyia bicolor Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWSP nidx=null]
Rhyssota
 - Rhyssota auct. [SYNONYM GENUS 300004:CC32Z nidx=null parent=7PG3F]
 + Rhyssota [SYNONYM GENUS 301450:BGQB7 nidx=null parent=7PG3F]
Rhytiphora (Saperdopsis) marmorata
 - Rhytiphora (Saperdopsis) marmorata (Breuning, 1938) [SYNONYM SPECIES 300004:C5BRN nidx=null parent=4SX72]
 + Rhytiphora (Saperdopsis) marmorata (Breuning, 1938) [SYNONYM SPECIES 301450:BRKPN nidx=null parent=4SX72]
Rotularia (Tectorotularia)
 - Rotularia (Tectorotularia) [ACCEPTED SUBGENUS 300004:85KTK nidx=null]
 + Rotularia (Tectorotularia) Regenhardt, 1961 [ACCEPTED SUBGENUS 301450:CHFDM nidx=null]
Rubria vitticollis
 - Rubria vitticollis (Stål, 1855) [SYNONYM SPECIES 300004:CBYVM nidx=null parent=65HVX]
 + Rubria vitticollis (Stål, 1855) [SYNONYM SPECIES 301450:CHFFW nidx=null parent=65HVX]
Saemundssonia (Saemundssonia) platygaster
 - Saemundssonia (Saemundssonia) platygaster (Denny, 1842) [ACCEPTED SPECIES 300004:C5YDP nidx=null]
 + Saemundssonia (Saemundssonia) platygaster (Denny, 1842) [ACCEPTED SPECIES 301450:CHJZK nidx=null]
Sagartia (Heliactis) ornata
 - Sagartia (Heliactis) ornata (Holdsworth, 1855) [SYNONYM SPECIES 300004:C5YDV nidx=null parent=99365]
 + Sagartia (Heliactis) ornata (Holdsworth, 1855) [SYNONYM SPECIES 301450:CHJZQ nidx=null parent=99365]
Sapromyza fuscipes
 - Sapromyza fuscipes Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YW8 nidx=null]
 + Sapromyza fuscipes Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JWVH nidx=null]
Sarcophaga mezzadrii
 - Sarcophaga mezzadrii Séguy, 1951 [SYNONYM SPECIES 300004:8DRDD nidx=null parent=8DQCD]
 + Sarcophaga mezzadrii Séguy, 1951 [SYNONYM SPECIES 301450:79NF3 nidx=null parent=8DQCD]
Sargus rondeletti
 - Sargus rondeletti () non Valenciennes, 1830 [MISAPPLIED SPECIES 300004:CGCK3 nidx=null parent=6D9R6]
 + Sargus rondeletti () [MISAPPLIED SPECIES 301450:CHFDD nidx=null parent=6D9R6]
Scaphytopius (Cloanthanus) abbreviatus
 - Scaphytopius (Cloanthanus) abbreviatus (DeLong, 1916) [SYNONYM SPECIES 300004:CGD6D nidx=null parent=9KSJ3]
 + Scaphytopius (Cloanthanus) abbreviatus (DeLong, 1916) [SYNONYM SPECIES 301450:8RDVV nidx=null parent=9KSJ3]
Scaphytopius (Cloanthanus) acutus
 - Scaphytopius (Cloanthanus) acutus (Say, 1830) [SYNONYM SPECIES 300004:8RDVX nidx=null parent=9RK25]
 + Scaphytopius (Cloanthanus) acutus (Say, 1830) [SYNONYM SPECIES 301450:CHFQD nidx=null parent=9RK25]
Scaphytopius (Cloanthanus) alas
 - Scaphytopius (Cloanthanus) alas (DeLong, 1943) [SYNONYM SPECIES 300004:CGD6G nidx=null parent=9RK28]
 + Scaphytopius (Cloanthanus) alas (DeLong, 1943) [SYNONYM SPECIES 301450:8RDW2 nidx=null parent=9RK28]
Scaphytopius (Cloanthanus) amplinotus
 - Scaphytopius (Cloanthanus) amplinotus Hepner, 1946 [SYNONYM SPECIES 300004:8RDW6 nidx=null parent=9KSJM]
 + Scaphytopius (Cloanthanus) amplinotus Hepner, 1946 [SYNONYM SPECIES 301450:CHFQH nidx=null parent=9KSJM]
Scaphytopius (Cloanthanus) analis
 - Scaphytopius (Cloanthanus) analis (Van Duzee, 1923) [SYNONYM SPECIES 300004:C87PF nidx=null parent=9RK2C]
 + Scaphytopius (Cloanthanus) analis (Van Duzee, 1923) [SYNONYM SPECIES 301450:8RDW7 nidx=null parent=9RK2C]
Scaphytopius (Cloanthanus) angustatus
 - Scaphytopius (Cloanthanus) angustatus (Osborn, 1905) [SYNONYM SPECIES 300004:8RDW9 nidx=null parent=9KSJS]
 + Scaphytopius (Cloanthanus) angustatus (Osborn, 1905) [SYNONYM SPECIES 301450:CHFQK nidx=null parent=9KSJS]
Scaphytopius (Cloanthanus) atrafrons
 - Scaphytopius (Cloanthanus) atrafrons (DeLong, 1943) [SYNONYM SPECIES 300004:8RDWG nidx=null parent=9KSK3]
 + Scaphytopius (Cloanthanus) atrafrons (DeLong, 1943) [SYNONYM SPECIES 301450:CHFQM nidx=null parent=9KSK3]
Scaphytopius (Cloanthanus) bifidellus
 - Scaphytopius (Cloanthanus) bifidellus DeLong & Linnavuori, 1978 [SYNONYM SPECIES 300004:8RDWJ nidx=null parent=9KSK6]
 + Scaphytopius (Cloanthanus) bifidellus DeLong & Linnavuori, 1978 [SYNONYM SPECIES 301450:CHFQN nidx=null parent=9KSK6]
Scaphytopius (Cloanthanus) biflavus
 - Scaphytopius (Cloanthanus) biflavus Cwikla & Freytag, 1982 [SYNONYM SPECIES 300004:8RDWK nidx=null parent=9KSK7]
 + Scaphytopius (Cloanthanus) biflavus Cwikla & Freytag, 1982 [SYNONYM SPECIES 301450:CHFQP nidx=null parent=9KSK7]
Scaphytopius (Cloanthanus) canus
 - Scaphytopius (Cloanthanus) canus Hepner, 1946 [SYNONYM SPECIES 300004:8RDWQ nidx=null parent=9KSKK]
 + Scaphytopius (Cloanthanus) canus Hepner, 1946 [SYNONYM SPECIES 301450:CHFQS nidx=null parent=9KSKK]
Scaphytopius (Cloanthanus) cinnamoneus
 - Scaphytopius (Cloanthanus) cinnamoneus (Osborn, 1915) [SYNONYM SPECIES 300004:9MHX6 nidx=null parent=9MHX5]
 + Scaphytopius (Cloanthanus) cinnamoneus (Osborn, 1915) [SYNONYM SPECIES 301450:8RNDV nidx=null parent=9MHX5]
Scaphytopius (Cloanthanus) cornutus
 - Scaphytopius (Cloanthanus) cornutus (DeLong, 1944) [SYNONYM SPECIES 300004:8RDWW nidx=null parent=9KSKY]
 + Scaphytopius (Cloanthanus) cornutus (DeLong, 1944) [SYNONYM SPECIES 301450:CHFQX nidx=null parent=9KSKY]
Scaphytopius (Cloanthanus) deltensis
 - Scaphytopius (Cloanthanus) deltensis Hepner, 1946 [SYNONYM SPECIES 300004:CF3NK nidx=null parent=9KSL5]
 + Scaphytopius (Cloanthanus) deltensis Hepner, 1946 [SYNONYM SPECIES 301450:8RDWZ nidx=null parent=9KSL5]
Scaphytopius (Cloanthanus) falcatus
 - Scaphytopius (Cloanthanus) falcatus (DeLong, 1943) [SYNONYM SPECIES 300004:8RDX7 nidx=null parent=9KSLN]
 + Scaphytopius (Cloanthanus) falcatus (DeLong, 1943) [SYNONYM SPECIES 301450:CHFR2 nidx=null parent=9KSLN]
Scaphytopius (Cloanthanus) flavens
 - Scaphytopius (Cloanthanus) flavens (DeLong, 1943) [SYNONYM SPECIES 300004:CF3NP nidx=null parent=9KSLR]
 + Scaphytopius (Cloanthanus) flavens (DeLong, 1943) [SYNONYM SPECIES 301450:8RDXB nidx=null parent=9KSLR]
Scaphytopius (Cloanthanus) frontalis
 - Scaphytopius (Cloanthanus) frontalis (Van Duzee, 1890) [SYNONYM SPECIES 300004:8RDXD nidx=null parent=9KSLV]
 + Scaphytopius (Cloanthanus) frontalis (Van Duzee, 1890) [SYNONYM SPECIES 301450:CHFR4 nidx=null parent=9KSLV]
Scaphytopius (Cloanthanus) guterranus
 - Scaphytopius (Cloanthanus) guterranus (Ball, 1931) [SYNONYM SPECIES 300004:CGD74 nidx=null parent=9KSM7]
 + Scaphytopius (Cloanthanus) guterranus (Ball, 1931) [SYNONYM SPECIES 301450:8RDXL nidx=null parent=9KSM7]
Scaphytopius (Cloanthanus) hebatus
 - Scaphytopius (Cloanthanus) hebatus (DeLong, 1943) [SYNONYM SPECIES 300004:8RDXN nidx=null parent=9KSM9]
 + Scaphytopius (Cloanthanus) hebatus (DeLong, 1943) [SYNONYM SPECIES 301450:CHFR7 nidx=null parent=9KSM9]
Scaphytopius (Cloanthanus) hilaris
 - Scaphytopius (Cloanthanus) hilaris Linnavuori, 1959 [SYNONYM SPECIES 300004:8RDXQ nidx=null parent=9KSMC]
 + Scaphytopius (Cloanthanus) hilaris Linnavuori, 1959 [SYNONYM SPECIES 301450:CHFR8 nidx=null parent=9KSMC]
Scaphytopius (Cloanthanus) jandacephalus
 - Scaphytopius (Cloanthanus) jandacephalus Caldwell, 1952 [SYNONYM SPECIES 300004:8RDXX nidx=null parent=9KSMN]
 + Scaphytopius (Cloanthanus) jandacephalus Caldwell, 1952 [SYNONYM SPECIES 301450:CHFRF nidx=null parent=9KSMN]
Scaphytopius (Cloanthanus) jocosus
 - Scaphytopius (Cloanthanus) jocosus (Van Duzee, 1923) [SYNONYM SPECIES 300004:CGD7B nidx=null parent=9KSMP]
 + Scaphytopius (Cloanthanus) jocosus (Van Duzee, 1923) [SYNONYM SPECIES 301450:8RDXY nidx=null parent=9KSMP]
Scaphytopius (Cloanthanus) latens
 - Scaphytopius (Cloanthanus) latens (DeLong, 1943) [SYNONYM SPECIES 300004:8RDXZ nidx=null parent=9KSMS]
 + Scaphytopius (Cloanthanus) latens (DeLong, 1943) [SYNONYM SPECIES 301450:CHFRG nidx=null parent=9KSMS]
Scaphytopius (Cloanthanus) limbatus
 - Scaphytopius (Cloanthanus) limbatus (Osborn, 1926) [SYNONYM SPECIES 300004:C4H2D nidx=null parent=9KSMW]
 + Scaphytopius (Cloanthanus) limbatus (Osborn, 1926) [SYNONYM SPECIES 301450:8RDY3 nidx=null parent=9KSMW]
Scaphytopius (Cloanthanus) limbramentus
 - Scaphytopius (Cloanthanus) limbramentus (DeLong, 1943) [SYNONYM SPECIES 300004:8RDY4 nidx=null parent=9KSMX]
 + Scaphytopius (Cloanthanus) limbramentus (DeLong, 1943) [SYNONYM SPECIES 301450:CHFRH nidx=null parent=9KSMX]
Scaphytopius (Cloanthanus) lineafrons
 - Scaphytopius (Cloanthanus) lineafrons (DeLong, 1943) [SYNONYM SPECIES 300004:8RDY6 nidx=null parent=9KSMZ]
 + Scaphytopius (Cloanthanus) lineafrons (DeLong, 1943) [SYNONYM SPECIES 301450:CHFRJ nidx=null parent=9KSMZ]
Scaphytopius (Cloanthanus) linnavuorii
 - Scaphytopius (Cloanthanus) linnavuorii McKamey & Hicks, 2007 [SYNONYM SPECIES 300004:8RSDS nidx=null parent=9KSN3]
 + Scaphytopius (Cloanthanus) linnavuorii McKamey & Hicks, 2007 [SYNONYM SPECIES 301450:CHFRK nidx=null parent=9KSN3]
Scaphytopius (Cloanthanus) nanus
 - Scaphytopius (Cloanthanus) nanus (Van Duzee, 1907) [SYNONYM SPECIES 300004:8RDYD nidx=null parent=9KSNJ]
 + Scaphytopius (Cloanthanus) nanus (Van Duzee, 1907) [SYNONYM SPECIES 301450:CHFRM nidx=null parent=9KSNJ]
Scaphytopius (Cloanthanus) nigrifrons
 - Scaphytopius (Cloanthanus) nigrifrons (DeLong, 1923) [SYNONYM SPECIES 300004:CGD7H nidx=null parent=9KSNQ]
 + Scaphytopius (Cloanthanus) nigrifrons (DeLong, 1923) [SYNONYM SPECIES 301450:8RDYG nidx=null parent=9KSNQ]
Scaphytopius (Cloanthanus) oregonensis
 - Scaphytopius (Cloanthanus) oregonensis (Baker, 1900) [SYNONYM SPECIES 300004:8RDYL nidx=null parent=9KSP2]
 + Scaphytopius (Cloanthanus) oregonensis (Baker, 1900) [SYNONYM SPECIES 301450:CHFRS nidx=null parent=9KSP2]
Scaphytopius (Cloanthanus) rotundiceps
 - Scaphytopius (Cloanthanus) rotundiceps Linnavuori, 1959 [SYNONYM SPECIES 300004:BVWLV nidx=null parent=9KSPJ]
 + Scaphytopius (Cloanthanus) rotundiceps Linnavuori, 1959 [SYNONYM SPECIES 301450:8RDZ3 nidx=null parent=9KSPJ]
Scaphytopius (Cloanthanus) rubellus
 - Scaphytopius (Cloanthanus) rubellus (Sanders & DeLong, 1919) [SYNONYM SPECIES 300004:CF3PB nidx=null parent=9KSPK]
 + Scaphytopius (Cloanthanus) rubellus (Sanders & DeLong, 1919) [SYNONYM SPECIES 301450:8RDZ4 nidx=null parent=9KSPK]
Scaphytopius (Cloanthanus) serratus
 - Scaphytopius (Cloanthanus) serratus (DeLong, 1943) [SYNONYM SPECIES 300004:8RDZ7 nidx=null parent=9KSPS]
 + Scaphytopius (Cloanthanus) serratus (DeLong, 1943) [SYNONYM SPECIES 301450:CHFRV nidx=null parent=9KSPS]
Scaphytopius (Cloanthanus) spadix
 - Scaphytopius (Cloanthanus) spadix (DeLong, 1943) [SYNONYM SPECIES 300004:CF3PD nidx=null parent=9KSPX]
 + Scaphytopius (Cloanthanus) spadix (DeLong, 1943) [SYNONYM SPECIES 301450:8RDZ8 nidx=null parent=9KSPX]
Scaphytopius (Cloanthanus) sulphureus
 - Scaphytopius (Cloanthanus) sulphureus (Osborn, 1923) [SYNONYM SPECIES 300004:8RDZD nidx=null parent=9KSQ2]
 + Scaphytopius (Cloanthanus) sulphureus (Osborn, 1923) [SYNONYM SPECIES 301450:CHFRW nidx=null parent=9KSQ2]
Scaphytopius (Cloanthanus) trilineatus trilineatus
 - Scaphytopius (Cloanthanus) trilineatus trilineatus (Ball, 1916) [SYNONYM SUBSPECIES 300004:CBYDZ nidx=null parent=9RK2K]
 + Scaphytopius (Cloanthanus) trilineatus trilineatus (Ball, 1916) [SYNONYM SUBSPECIES 301450:CHFRZ nidx=null parent=9RK2K]
Scaphytopius (Cloanthanus) tripunctatus
 - Scaphytopius (Cloanthanus) tripunctatus (DeLong, 1943) [SYNONYM SPECIES 300004:CBYF2 nidx=null parent=9KSQ9]
 + Scaphytopius (Cloanthanus) tripunctatus (DeLong, 1943) [SYNONYM SPECIES 301450:8RDZK nidx=null parent=9KSQ9]
Scaphytopius (Cloanthanus) verecundus
 - Scaphytopius (Cloanthanus) verecundus (Van Duzee, 1910) [SYNONYM SPECIES 300004:8RDZM nidx=null parent=9KSQC]
 + Scaphytopius (Cloanthanus) verecundus (Van Duzee, 1910) [SYNONYM SPECIES 301450:CHFS2 nidx=null parent=9KSQC]
Scaphytopius (Cloanthanus) vinculus
 - Scaphytopius (Cloanthanus) vinculus (DeLong, 1943) [SYNONYM SPECIES 300004:CGD7Q nidx=null parent=9KSQG]
 + Scaphytopius (Cloanthanus) vinculus (DeLong, 1943) [SYNONYM SPECIES 301450:8RDZP nidx=null parent=9KSQG]
Scaphytopius (Convelinus) atrifrons
 - Scaphytopius (Convelinus) atrifrons DeLong & Linnavuori, 1978 [SYNONYM SPECIES 300004:CGD7R nidx=null parent=9KSK4]
 + Scaphytopius (Convelinus) atrifrons DeLong & Linnavuori, 1978 [SYNONYM SPECIES 301450:8RDZY nidx=null parent=9KSK4]
Scaphytopius (Convelinus) californiensis
 - Scaphytopius (Convelinus) californiensis Hepner, 1946 [SYNONYM SPECIES 300004:CGD6R nidx=null parent=9KSKF]
 + Scaphytopius (Convelinus) californiensis Hepner, 1946 [SYNONYM SPECIES 301450:CHFQR nidx=null parent=9KSKF]
Scaphytopius (Convelinus) irroratus
 - Scaphytopius (Convelinus) irroratus (Van Duzee, 1910) [SYNONYM SPECIES 300004:CGD76 nidx=null parent=9RK2G]
 + Scaphytopius (Convelinus) irroratus (Van Duzee, 1910) [SYNONYM SPECIES 301450:CHFR9 nidx=null parent=9RK2G]
Scaphytopius (Convelinus) marginelineatus
 - Scaphytopius (Convelinus) marginelineatus (Stål, 1859) [SYNONYM SPECIES 300004:CGD7S nidx=null parent=9KSNB]
 + Scaphytopius (Convelinus) marginelineatus (Stål, 1859) [SYNONYM SPECIES 301450:8RF2H nidx=null parent=9KSNB]
Scaphytopius (Convelinus) nitridus
 - Scaphytopius (Convelinus) nitridus (DeLong, 1943) [SYNONYM SPECIES 300004:CGD7K nidx=null parent=9KSNV]
 + Scaphytopius (Convelinus) nitridus (DeLong, 1943) [SYNONYM SPECIES 301450:CHFRR nidx=null parent=9KSNV]
Scaphytopius (Convelinus) pennatus
 - Scaphytopius (Convelinus) pennatus Hepner, 1946 [SYNONYM SPECIES 300004:CGD7L nidx=null parent=9KSPB]
 + Scaphytopius (Convelinus) pennatus Hepner, 1946 [SYNONYM SPECIES 301450:CHFRT nidx=null parent=9KSPB]
Scaphytopius (Convelinus) spinosus
 - Scaphytopius (Convelinus) spinosus DeLong & Linnavuori, 1978 [SYNONYM SPECIES 300004:8RF2R nidx=null parent=9KSPY]
 + Scaphytopius (Convelinus) spinosus DeLong & Linnavuori, 1978 [SYNONYM SPECIES 301450:CHFS3 nidx=null parent=9KSPY]
Scaphytopius (Deltopinus) nigriviridis
 - Scaphytopius (Deltopinus) nigriviridis (Ball, 1909) [SYNONYM SPECIES 300004:CGD7J nidx=null parent=9KSNS]
 + Scaphytopius (Deltopinus) nigriviridis (Ball, 1909) [SYNONYM SPECIES 301450:CHFRQ nidx=null parent=9KSNS]
Scaphytopius (Platymoideus) trilineatus
 - Scaphytopius (Platymoideus) trilineatus (Ball, 1916) [SYNONYM SPECIES 300004:CGD7P nidx=null parent=9RK2K]
 + Scaphytopius (Platymoideus) trilineatus (Ball, 1916) [SYNONYM SPECIES 301450:CHFRY nidx=null parent=9RK2K]
Scaphytopius (Scaphytopius) catalinus
 - Scaphytopius (Scaphytopius) catalinus (Ball, 1909) [SYNONYM SPECIES 300004:8RNFL nidx=null parent=9QP2M]
 + Scaphytopius (Scaphytopius) catalinus (Ball, 1909) [SYNONYM SPECIES 301450:CHFS4 nidx=null parent=9QP2M]
Scaphytopius (Scaphytopius) elegans
 - Scaphytopius (Scaphytopius) elegans (Van Duzee, 1890) [SYNONYM SPECIES 300004:C4H32 nidx=null parent=9QP2P]
 + Scaphytopius (Scaphytopius) elegans (Van Duzee, 1890) [SYNONYM SPECIES 301450:8RNFM nidx=null parent=9QP2P]
Scaphytopius (Scaphytopius) latidens
 - Scaphytopius (Scaphytopius) latidens (DeLong, 1944) [SYNONYM SPECIES 300004:8RF33 nidx=null parent=9KSMT]
 + Scaphytopius (Scaphytopius) latidens (DeLong, 1944) [SYNONYM SPECIES 301450:CHFS5 nidx=null parent=9KSMT]
Scaphytopius (Scaphytopius) ritanus
 - Scaphytopius (Scaphytopius) ritanus Ball, 1931 [SYNONYM SPECIES 300004:CGD7V nidx=null parent=9RK2J]
 + Scaphytopius (Scaphytopius) ritanus Ball, 1931 [SYNONYM SPECIES 301450:8RNFQ nidx=null parent=9RK2J]
Schizaphis (Schizaphis) rotundiventris
 - Schizaphis (Schizaphis) rotundiventris [AMBIGUOUS_SYNONYM SPECIES 300004:CGDJR nidx=null parent=8QWGX]
 + Schizaphis (Schizaphis) rotundiventris [AMBIGUOUS_SYNONYM SPECIES 301450:CHFYG nidx=null parent=8QWGX]
Scopolia lateralis
 - Scopolia lateralis Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3Z6M nidx=null]
 + Scopolia lateralis Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JX98 nidx=null]
Scutus (Tugalia)
 - Scutus (Tugalia) Gray, 1857 [SYNONYM SUBGENUS 300004:BKCZN nidx=null parent=7PK8L]
 + Scutus (Tugalia) Gray, 1857 [SYNONYM SUBGENUS 301450:BGT6F nidx=null parent=7PK8L]
Scytaleum italicum
 - Scytaleum italicum Meyl, 1954 [ACCEPTED SPECIES 300004:8GJJ2 nidx=null]
 + Scytaleum italicum (Meyl, 1954) Andrássy, 1961 [SYNONYM SPECIES 301450:CHFMK nidx=null parent=CH37W]
Sepia capensis
 - Sepia capensis A. d'Orbigny, 1845 [SYNONYM SPECIES 300004:CC3H9 nidx=null parent=BJ42H]
 + Sepia capensis A. d'Orbigny, 1835 [SYNONYM SPECIES 301450:CHFZQ nidx=null parent=BJ42H]
Sepia elongata
 - Sepia elongata A. d'Orbigny, 1839–1842 [ACCEPTED SPECIES 300004:CC3GZ nidx=null]
 + Sepia elongata A. d'Orbigny, 1842 [ACCEPTED SPECIES 301450:CHFZL nidx=null]
Sepia rouxii
 - Sepia rouxii A. d'Orbigny, 1839-1842 [SYNONYM SPECIES 300004:C8C4D nidx=null parent=BJ2FD]
 + Sepia rouxii A. d'Orbigny, 1842 [SYNONYM SPECIES 301450:4WQLB nidx=null parent=BJ2FD]
Sepiola japonica
 - Sepiola japonica Tilesius, 1845 [SYNONYM SPECIES 300004:C8C59 nidx=null parent=C7M3Z]
 + Sepiola japonica A. d'Orbigny, 1845 [SYNONYM SPECIES 301450:CHFZS nidx=null parent=CH6GW]
Sepioteuthis lessoniana
 - Sepioteuthis lessoniana A. d'Orbigny, 1826 [ACCEPTED SPECIES 300004:6YFXW nidx=null]
 + Sepioteuthis lessoniana Lesson, 1831 [ACCEPTED SPECIES 301450:CHFZT nidx=null]
Septifer keeni
 - Septifer keeni Nomura, 1936 [SYNONYM SPECIES 300004:CGDLX nidx=null parent=45GFD]
 + Septifer keeni Nomura, 1936 [SYNONYM SPECIES 301450:CHG26 nidx=null parent=45GFD]
Serpula funiculis
 - Serpula funiculis Wolleman, 1902 [SYNONYM SPECIES 300004:4WWJQ nidx=null parent=74K4G]
 + Serpula funiculis Wollemann, 1899 [SYNONYM SPECIES 301450:CHG53 nidx=null parent=CH82P]
Sesarma sediliensis
 - Sesarma sediliensis Tweedie, 1940 [SYNONYM SPECIES 300004:84GBB nidx=null parent=84GQH]
 + Sesarma sediliensis Tweedie, 1940 [SYNONYM SPECIES 301450:4WZ27 nidx=null parent=84GQH]
Setulia algira
 - Setulia algira Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3Z7J nidx=null]
 + Setulia algira Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JX9S nidx=null]
Simulium (Simulium) alternans
 - Simulium (Simulium) alternans Enderlein, 1921 [ACCEPTED SPECIES 300004:CF5FP nidx=null]
 + Simulium (Simulium) alternans Enderlein, 1921 [ACCEPTED SPECIES 301450:CHGM8 nidx=null]
Simulium (Simulium) ibariense
 - Simulium (Simulium) ibariense Zivković & Grenier, 1959 [ACCEPTED SPECIES 300004:8DYQQ nidx=null]
 + Simulium (Simulium) ibariense Zivković & Grenier, 1959 [ACCEPTED SPECIES 301450:4XH2R nidx=null]
Simulium (Simulium) schoenbaueri
 - Simulium (Simulium) schoenbaueri Enderlein, 1921 [ACCEPTED SPECIES 300004:CC32Y nidx=null]
 + Simulium (Simulium) schoenbaueri Enderlein, 1921 [ACCEPTED SPECIES 301450:CHGM9 nidx=null]
Simulium sanchezi
 - Simulium sanchezi Ramírez-Pérez, Yarzábal & Peterson, 1982 [SYNONYM SPECIES 300004:8F2HG nidx=null parent=8DYF8]
 + Simulium sanchezi Ramírez-Pérez, Yarzábal & Peterson, 1982 [SYNONYM SPECIES 301450:4XHTB nidx=null parent=8DYF8]
Siphogenerina raphanus var. costulata
 - Siphogenerina raphanus var. costulata Cushman, 1917 [ACCEPTED VARIETY 300004:843NH nidx=null]
 + Siphogenerina raphanus var. costulata Cushman, 1917 [ACCEPTED VARIETY 301450:5RJBM nidx=null]
Siphonella antorides
 - Siphonella antorides Séguy, 1950 [SYNONYM SPECIES 300004:8F2X5 nidx=null parent=C2VL9]
 + Siphonella antorides Séguy, 1950 [SYNONYM SPECIES 301450:4XPJB nidx=null parent=C2VL9]
Sitobion (Sitobion)
 - Sitobion (Sitobion) Mordvilko, 1914 [ACCEPTED SUBGENUS 300004:8Q6MN nidx=null]
 + Sitobion (Sitobion) Mordvilko, 1914 [ACCEPTED SUBGENUS 301450:CH67K nidx=null]
Skrjabinodon mabuyae
 - Skrjabinodon mabuyae Sandground, 1936 [ACCEPTED SPECIES 300004:9C97Q nidx=null]
 + Skrjabinodon mabuyae (Sandground, 1936) Inglis, 1968 [ACCEPTED SPECIES 301450:CHFZR nidx=null]
Sphaerophoria (Sphaerophoria) robusta
 - Sphaerophoria (Sphaerophoria) robusta Curran, 1930 [ACCEPTED SPECIES 300004:C4NG9 nidx=null]
 + Sphaerophoria (Sphaerophoria) robusta Curran, 1930 [ACCEPTED SPECIES 301450:CHGPV nidx=null]
Sphaerophoria turkmenica
 - Sphaerophoria turkmenica Bańkowska, 1964 [SYNONYM SPECIES 300004:8F3VN nidx=null parent=8F3RR]
 + Sphaerophoria turkmenica Bańkowska, 1964 [SYNONYM SPECIES 301450:4YRCC nidx=null parent=8F3RR]
Sphenia cleryana
 - Sphenia cleryana A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:4YV72 nidx=null parent=R5JH]
 + Sphenia cleryana A. d'Orbigny, 1846 [SYNONYM SPECIES 301450:CHGTF nidx=null parent=CGT58]
Sphingolabis albipennis
 - Sphingolabis albipennis [SYNONYM SPECIES 300004:BX2QF nidx=null parent=8MWTL]
 + Sphingolabis albipennis (von Muhlfeld, 1825) [SYNONYM SPECIES 301450:CHGYM nidx=null parent=682DK]
Sphyrotarsus hervibazini
 - Sphyrotarsus hervibazini (Parent, 1914) [SYNONYM SPECIES 300004:92X3Z nidx=null parent=9HRYG]
 + Sphyrotarsus hervibazini (Parent, 1914) [SYNONYM SPECIES 301450:8F4C5 nidx=null parent=9HRYG]
Spisula isabelleana
 - Spisula isabelleana (A. d'Orbigny, 1846) [SYNONYM SPECIES 300004:4Z96P nidx=null parent=3XDDF]
 + Spisula isabelleana (A. d'Orbigny, 1841) [ACCEPTED SPECIES 301450:CHFTR nidx=null]
Spisula petitii
 - Spisula petitii (A. d'Orbigny, 1846) [SYNONYM SPECIES 300004:4Z96W nidx=null parent=3XDFT]
 + Spisula petitii (A. d'Orbigny, 1841) [ACCEPTED SPECIES 301450:CHFTS nidx=null]
Stenhelia (Delavalia) coineauae
 - Stenhelia (Delavalia) coineauae Soyer, 1972 [SYNONYM SPECIES 300004:CF4TS nidx=null parent=34FN3]
 + Stenhelia (Delavalia) coineauae Soyer, 1972 [SYNONYM SPECIES 301450:CHG8Q nidx=null parent=34FN3]
Stictocoris preyssleri
 - Stictocoris preyssleri (Herrich-Schäffer, 1838) [SYNONYM SPECIES 300004:CGG6T nidx=null parent=8RMYM]
 + Stictocoris preyssleri (Herrich-Schäffer, 1838) [SYNONYM SPECIES 301450:CHGRM nidx=null parent=8RMYM]
Stigmatophora (Stigmatophora) albosericea
 - Stigmatophora (Stigmatophora) albosericea Moore, 1877 [SYNONYM SPECIES 300004:BRDTN nidx=null parent=BFXBK]
 + Stigmatophora (Stigmatophora) albosericea Moore, 1877 [SYNONYM SPECIES 301450:98G2T nidx=null parent=BFXBK]
Stigmatophora (Stigmatophora) ochracea
 - Stigmatophora (Stigmatophora) ochracea Lederer, 1855 [SYNONYM SPECIES 300004:BRDTP nidx=null parent=BFXBC]
 + Stigmatophora (Stigmatophora) ochracea Lederer, 1855 [SYNONYM SPECIES 301450:98G2X nidx=null parent=BFXBC]
Stigmatophora (Stigmatophora) sinensis
 - Stigmatophora (Stigmatophora) sinensis Walker, 1854 [SYNONYM SPECIES 300004:BRDTQ nidx=null parent=BFXBC]
 + Stigmatophora (Stigmatophora) sinensis Walker, 1854 [SYNONYM SPECIES 301450:98G2Y nidx=null parent=BFXBC]
Streptaxis (Happia)
 - Streptaxis (Happia) Bourguignat, 1890 [SYNONYM SUBGENUS 300004:CDG83 nidx=null parent=7P4SH]
 + Streptaxis (Happia) Bourguignat, 1890 [SYNONYM SUBGENUS 301450:CH4NK nidx=null parent=7P4SH]
Strophomena
 - †Strophomena Blainville, 1824 [ACCEPTED GENUS 300004:BTPQG nidx=null]
 + Strophomena Rafinesque in de Blainville, 1824 [ACCEPTED GENUS 301450:CHGGR nidx=null]
Stylatula
 - Stylatula Verrill, 1864 [ACCEPTED GENUS 300004:84TXM nidx=null]
 + Stylatula Verrill, 1864 [ACCEPTED GENUS 301450:CHGJV nidx=null]
Suzukia (Pheosiopsis) luscinicola
 - Suzukia (Pheosiopsis) luscinicola Nakamura, 1973 [SYNONYM SPECIES 300004:BRDV8 nidx=null parent=946X6]
 + Suzukia (Pheosiopsis) luscinicola Nakamura, 1973 [SYNONYM SPECIES 301450:98GBT nidx=null parent=946X6]
Syllis (Typosyllis) truncata mediterranea
 - Syllis (Typosyllis) truncata mediterranea Ben-Eliahu, 1977 [SYNONYM SUBSPECIES 300004:C8FPB nidx=null parent=53MW7]
 + Syllis (Typosyllis) truncata mediterranea Ben-Eliahu, 1977 [SYNONYM SUBSPECIES 301450:CHGSS nidx=null parent=53MW7]
Syrphus flavocinctus
 - Syrphus flavocinctus Fallén, 1810 [SYNONYM SPECIES 300004:8F7ZK nidx=null parent=C2TMK]
 + Syrphus flavocinctus Fallén, 1810 [SYNONYM SPECIES 301450:543JR nidx=null parent=C2TMK]
Tabanus (Tabanus) bicallosus
 - Tabanus (Tabanus) bicallosus Ricardo, 1909 [ACCEPTED SPECIES 300004:C3N6G nidx=null]
 + Tabanus (Tabanus) bicallosus Ricardo, 1909 [ACCEPTED SPECIES 301450:CHH9Y nidx=null]
Tabanus (Tabanus) imitans
 - Tabanus (Tabanus) imitans Walker, 1848 [ACCEPTED SPECIES 300004:8F8YW nidx=null]
 + Tabanus (Tabanus) imitans Walker, 1848 [ACCEPTED SPECIES 301450:CHHB3 nidx=null]
Tabanus (Therioplectes) albovittatus
 - Tabanus (Therioplectes) albovittatus Kröber, 1930 [SYNONYM SPECIES 300004:8F9DF nidx=null parent=C2RRL]
 + Tabanus (Therioplectes) albovittatus Kröber, 1930 [SYNONYM SPECIES 301450:547C7 nidx=null parent=C2RRL]
Tabanus bellardii
 - Tabanus bellardii Szilády, 1926 [SYNONYM SPECIES 300004:8F9H4 nidx=null parent=8F8YG]
 + Tabanus bellardii Szilády, 1926 [SYNONYM SPECIES 301450:547J7 nidx=null parent=8F8YG]
Tabanus fenestralis
 - Tabanus fenestralis Szilády, 1926 [SYNONYM SPECIES 300004:8F9NW nidx=null parent=8F8QH]
 + Tabanus fenestralis Szilády, 1926 [SYNONYM SPECIES 301450:547WQ nidx=null parent=8F8QH]
Tachydromyia sericea
 - Tachydromyia sericea Macquart, 1823 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZLH nidx=null]
 + Tachydromyia sericea Macquart, 1823 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JXY3 nidx=null]
Taenia cucurbitina
 - Taenia cucurbitina Pallas, 1756 [SYNONYM SPECIES 300004:8NBQC nidx=null parent=8N695]
 + Taenia cucurbitina Pallas, 1766 [SYNONYM SPECIES 301450:CHHKP nidx=null parent=8N695]
Tanyderites admirandus
 - †Tanyderites admirandus Kalugina, 1985 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZMD nidx=null]
 + Tanyderites admirandus Kalugina, 1985 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JXZ6 nidx=null]
Tanytarsus longipes
 - Tanytarsus longipes Akhrorov, 1967 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZMV nidx=null]
 + Tanytarsus longipes Akhrorov, 1967 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JY44 nidx=null]
Tedania (Trachytedania) biraphidora
 - Tedania (Trachytedania) biraphidora (Boury-Esnault, 1973) [SYNONYM SPECIES 300004:CGG6N nidx=null parent=57TWY]
 + Tedania (Trachytedania) biraphidora (Boury-Esnault, 1973) [SYNONYM SPECIES 301450:CHGRH nidx=null parent=57TWY]
Tendipes allothrix
 - Tendipes allothrix Kieffer, 1912 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZN8 nidx=null]
 + Tendipes allothrix Kieffer, 1912 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JY5G nidx=null]
Tendipes armatifrons
 - Tendipes armatifrons Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZN9 nidx=null]
 + Tendipes armatifrons Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JY5L nidx=null]
Tendipes atrifurea
 - Tendipes atrifurea Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZNB nidx=null]
 + Tendipes atrifurea Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JY5Q nidx=null]
Tendipes brunetttii
 - Tendipes brunetttii Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZNC nidx=null]
 + Tendipes brunetttii Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JY5V nidx=null]
Tendipes inermifrons
 - Tendipes inermifrons Kieffer, 1916 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZNH nidx=null]
 + Tendipes inermifrons Kieffer, 1916 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JY7D nidx=null]
Tendipes sessilis
 - Tendipes sessilis Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZNJ nidx=null]
 + Tendipes sessilis Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JY7Z nidx=null]
Tephritis macula
 - Tephritis macula Fabricius, 1805 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZNM nidx=null]
 + Tephritis macula Fabricius, 1805 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JY8S nidx=null]
Terpnosia ichangensis
 - Terpnosia ichangensis Liu, 1940 [SYNONYM SPECIES 300004:CGGQ8 nidx=null parent=5CRPJ]
 + Terpnosia ichangensis Liu, 1940 [SYNONYM SPECIES 301450:CHH7L nidx=null parent=5CRPJ]
Tetracotyle baughi
 - Tetracotyle baughi Pandey, 1973 [ACCEPTED SPECIES 300004:B2QYR nidx=null]
 + Tetracotyle baughi Pandey, 1975 [ACCEPTED SPECIES 301450:CHH95 nidx=null]
Tetracotyle singhi
 - Tetracotyle singhi Pandey, 1973 [ACCEPTED SPECIES 300004:B2R5F nidx=null]
 + Tetracotyle singhi Pandey, 1975 [ACCEPTED SPECIES 301450:CHH9B nidx=null]
Tetracotyle tandoni
 - Tetracotyle tandoni Pandey, 1973 [ACCEPTED SPECIES 300004:B2R7W nidx=null]
 + Tetracotyle tandoni Pandey, 1975 [ACCEPTED SPECIES 301450:CHH9C nidx=null]
Tetrapturus beloni
 - Tetrapturus beloni () non Rafinesque, 1810 [MISAPPLIED SPECIES 300004:CGH23 nidx=null parent=55RY8]
 + Tetrapturus beloni () [MISAPPLIED SPECIES 301450:CHHHH nidx=null parent=55RY8]
Tettigonia guerinii
 - Tettigonia guerinii Signoret, 1855 [SYNONYM SPECIES 300004:CGH5K nidx=null parent=3Y3C3]
 + Tettigonia guerinii Signoret, 1855 [SYNONYM SPECIES 301450:CHHL3 nidx=null parent=3Y3C3]
Teutonophon striatus
 - †Teutonophon striatus (A. Férussac & d'Orbigny, 1842) [ACCEPTED SPECIES 300004:55Y54 nidx=null]
 + Teutonophon striatus (A. d'Orbigny, 1826) [ACCEPTED SPECIES 301450:CHHN6 nidx=null]
Texananus (Aridanus) areolatus
 - Texananus (Aridanus) areolatus (Baker, 1898) [SYNONYM SPECIES 300004:C3WQ2 nidx=null parent=55Y67]
 + Texananus (Aridanus) areolatus (Baker, 1898) [SYNONYM SPECIES 301450:CHHN7 nidx=null parent=55Y67]
Thamnasteria lamourouxii
 - †Thamnasteria lamourouxii Le Sauvage, 1824 [ACCEPTED SPECIES 300004:BCKXV nidx=null]
 + Thamnasteria lamourouxii Le Sauvage, 1823 [SYNONYM SPECIES 301450:BCKXT nidx=null parent=8K4HZ]
 + Thamnasteria lamourouxii Le Sauvage, 1824 [ACCEPTED SPECIES 301450:CHHSR nidx=null]
Thamnotettix attennatus
 - Thamnotettix attennatus (Germar, 1821) [SYNONYM SPECIES 300004:CGHJJ nidx=null parent=7XC8L]
 + Thamnotettix attennatus (Germar, 1821) [SYNONYM SPECIES 301450:CHHTH nidx=null parent=7XC8L]
Theloderma leporosum
 - Theloderma leporosum Tschudi, 1838 [ACCEPTED SPECIES 300004:568HT nidx=null]
 + Theloderma leporosum Tschudi, 1838 [ACCEPTED SPECIES 301450:CHHYD nidx=null]
Thereva nigella
 - Thereva nigella Wiedemann, 1828 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZPY nidx=null]
 + Thereva nigella Wiedemann, 1828 [PROVISIONALLY_ACCEPTED SPECIES 301450:9V8H7 nidx=null]
Therioaphis (Therioaphis) trifolii
 - Therioaphis (Therioaphis) trifolii (Monell, 1882) [SYNONYM SPECIES 300004:8QZKM nidx=null parent=5F7WT]
 + Therioaphis (Therioaphis) trifolii (Monell, 1882) [SYNONYM SPECIES 301450:CHJ4L nidx=null parent=5F7WT]
Thermocyclops schmeili marmagoensis
 - Thermocyclops schmeili marmagoensis Sewell, 1964 [ACCEPTED SUBSPECIES 300004:5F7XT nidx=null]
 + Thermocyclops schmeili marmagoensis Sewell, 1960 [ACCEPTED SUBSPECIES 301450:CHJ52 nidx=null]
Tinocallis ulmi-parvifoliae
 - Tinocallis ulmi-parvifoliae [AMBIGUOUS_SYNONYM SPECIES 300004:CGH83 nidx=null parent=573DS]
 + Tinocallis ulmi-parvifoliae [AMBIGUOUS_SYNONYM SPECIES 301450:CHHMR nidx=null parent=BWYT9]
 + Tinocallis ulmi-parvifoliae [AMBIGUOUS_SYNONYM SPECIES 301450:CHHMT nidx=null parent=573DS]
Tipula florilega
 - Tipula florilega Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZTK nidx=null]
 + Tipula florilega Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JYDH nidx=null]
Tipula vibratrix
 - Tipula vibratrix Linnaeus, 1761 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZVP nidx=null]
 + Tipula vibratrix Linnaeus, 1761 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JYHF nidx=null]
Tonites
 - Tonites auct. [SYNONYM GENUS 300004:CC8JT nidx=null parent=7PLG3]
 + Tonites [SYNONYM GENUS 301450:BGSPN nidx=null parent=7PLG3]
Torinia dorsuosa
 - Torinia dorsuosa auct. [SYNONYM SPECIES 300004:CC8M8 nidx=null parent=8V86F]
 + Torinia dorsuosa [SYNONYM SPECIES 301450:BHLLR nidx=null parent=8V86F]
Tortrix (Loxotaenia) musculana f. obsoletana
 - Tortrix (Loxotaenia) musculana f. obsoletana Strand, 1901 [SYNONYM FORM 300004:CC8SK nidx=null parent=B43GN]
 + Tortrix (Loxotaenia) musculana f. obsoletana Strand, 1901 [SYNONYM FORM 301450:CHHZF nidx=null parent=B43GN]
Tortrix olivana
 - Tortrix olivana [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 300004:BRDXS nidx=null parent=92ZFM]
 + Tortrix olivana [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 301450:98LQM nidx=null parent=92ZFM]
Trachycardium (Trachycardium)
 - Trachycardium (Trachycardium) [SYNONYM SUBGENUS 300004:BSC54 nidx=null parent=7PJQR]
 + Trachycardium (Trachycardium) Mörch, 1853 [SYNONYM SUBGENUS 301450:CGT6J nidx=null parent=7PJQR]
Trichocera brevis
 - Trichocera brevis Krzemińska, 2002 [SYNONYM SPECIES 300004:8FH6Z nidx=null parent=8FH5V]
 + Trichocera brevis Krzemińska, 2002 [SYNONYM SPECIES 301450:7CPZF nidx=null parent=8FH5V]
Trichocladius atriforceps
 - Trichocladius atriforceps Kieffer, 1924 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZXZ nidx=null]
 + Trichocladius atriforceps Kieffer, 1924 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JYJG nidx=null]
Trichocladius sahorensis
 - Trichocladius sahorensis Kieffer, 1926 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZY3 nidx=null]
 + Trichocladius sahorensis Kieffer, 1926 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JYQG nidx=null]
Trichocladius terricola
 - Trichocladius terricola Kieffer, 1919 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZY4 nidx=null]
 + Trichocladius terricola Kieffer, 1919 [PROVISIONALLY_ACCEPTED SPECIES 301450:9JYQX nidx=null]
Trichodagmia spadicidorsum
 - Trichodagmia spadicidorsum Enderlein, 1934 [SYNONYM SPECIES 300004:8FHG9 nidx=null parent=8DZ3K]
 + Trichodagmia spadicidorsum Enderlein, 1934 [SYNONYM SPECIES 301450:58BB9 nidx=null parent=8DZ3K]
Triplofusus papillosus
 - Triplofusus papillosus auct. [SYNONYM SPECIES 300004:CCCYN nidx=null parent=58YMM]
 + Triplofusus papillosus [SYNONYM SPECIES 301450:58YMN nidx=null parent=58YMM]
Triticites (Triticites) noinskyi subsp. plicatus
 - Triticites (Triticites) noinskyi subsp. plicatus Rozovskaya, 1950 [SYNONYM SUBSPECIES 300004:CGHS6 nidx=null parent=8KRJ9]
 + Triticites (Triticites) noinskyi subsp. plicatus Rozovskaya, 1950 [SYNONYM SUBSPECIES 301450:CHHZ7 nidx=null parent=8KRJ9]
Triticites (Triticites) parvulus subsp. ishimbaji
 - Triticites (Triticites) parvulus subsp. ishimbaji Rozovskaya, 1950 [SYNONYM SUBSPECIES 300004:CGHS7 nidx=null parent=8K4H3]
 + Triticites (Triticites) parvulus subsp. ishimbaji Rozovskaya, 1950 [SYNONYM SUBSPECIES 301450:CHHZ8 nidx=null parent=8K4H3]
Triton antillarum
 - Triton antillarum A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:594QZ nidx=null parent=3HN5P]
 + Triton antillarum A. d'Orbigny, 1847 [SYNONYM SPECIES 301450:CHJ2J nidx=null parent=3HN5P]
Trochita calyptraeaformis
 - Trochita calyptraeaformis auct. [SYNONYM SPECIES 300004:CCDP3 nidx=null parent=59779]
 + Trochita calyptraeaformis [SYNONYM SPECIES 301450:5976T nidx=null parent=59779]
Trona (Chelycypraea)
 - Trona (Chelycypraea) F. A. Schilder, 1927 [SYNONYM SUBGENUS 300004:CFJPR nidx=null parent=7NYSY]
 + Trona (Chelycypraea) F. A. Schilder, 1927 [SYNONYM SUBGENUS 301450:CGTJG nidx=null parent=7NYSY]
Tubulanus
 - Tubulanus Renier, 1804 [ACCEPTED GENUS 300004:84VHV nidx=null]
 + Tubulanus [Renier], [1804] [PROVISIONALLY_ACCEPTED GENUS 301450:CHJK7 nidx=null]
Turritella (Cerithium)
 - Turritella (Cerithium) Bruguière, 1789 [SYNONYM SUBGENUS 300004:CFJVM nidx=null parent=7PKCR]
 + Turritella (Cerithium) Bruguière, 1789 [SYNONYM SUBGENUS 301450:CGTMG nidx=null parent=7PKCR]
Turritella undulata
 - Turritella undulata Zieten, 1830 [SYNONYM SPECIES 300004:9ZQ2X nidx=null parent=9ZPFS]
 + Turritella undulata Zieten, 1832 [SYNONYM SPECIES 301450:7TJ4H nidx=null parent=7SV3D]
Tylodelphys glossoides
 - Tylodelphys glossoides (Dubois, 1928) Sudarikov, 19960 [ACCEPTED SPECIES 300004:B7MB2 nidx=null]
 + Tylodelphys glossoides (Dubois, 1928) Sudarikov, 1960 [ACCEPTED SPECIES 301450:CHJV6 nidx=null]
Typhlocyba pura
 - Typhlocyba pura Stål, 1858 [SYNONYM SPECIES 300004:8JHF4 nidx=null parent=3RGVQ]
 + Typhlocyba pura Stål, 1858 [SYNONYM SPECIES 301450:59W3W nidx=null parent=3RGVQ]
Uca (Leptuca) cumulanta
 - Uca (Leptuca) cumulanta Crane, 1943 [SYNONYM SPECIES 300004:CGKBZ nidx=null parent=3TZF6]
 + Uca (Leptuca) cumulanta Crane, 1943 [SYNONYM SPECIES 301450:CHK3L nidx=null parent=3TZF6]
Uca (Leptuca) leptodactyla
 - Uca (Leptuca) leptodactyla Rathbun in Rankin, 1898 [SYNONYM SPECIES 300004:CGKC2 nidx=null parent=3TZFD]
 + Uca (Leptuca) leptodactyla Rathbun in Rankin, 1898 [SYNONYM SPECIES 301450:CHK3M nidx=null parent=3TZFD]
Unio (Elliptio) aheneus
 - Unio (Elliptio) aheneus I. Lea, 1843 [SYNONYM SPECIES 300004:C8L3R nidx=null parent=39BHN]
 + Unio (Elliptio) aheneus I. Lea, 1843 [SYNONYM SPECIES 301450:CHK3Y nidx=null parent=39BHN]
Unio (Elliptio) chipolaensis
 - Unio (Elliptio) chipolaensis B. Walker, 1905 [SYNONYM SPECIES 300004:CGKCT nidx=null parent=39BJ5]
 + Unio (Elliptio) chipolaensis B. Walker, 1905 [SYNONYM SPECIES 301450:CHK42 nidx=null parent=39BJ5]
Unio (Elliptio) complanatus
 - Unio (Elliptio) complanatus ([Lightfoot], 1786) [SYNONYM SPECIES 300004:CGKCV nidx=null parent=39BJ9]
 + Unio (Elliptio) complanatus ([Lightfoot], 1786) [SYNONYM SPECIES 301450:CHK43 nidx=null parent=39BJ9]
Unio (Elliptio) coruscus
 - Unio (Elliptio) coruscus A. Gould, 1856 [SYNONYM SPECIES 300004:CGKCY nidx=null parent=39BKC]
 + Unio (Elliptio) coruscus A. Gould, 1856 [SYNONYM SPECIES 301450:CHK45 nidx=null parent=39BKC]
Unio (Elliptio) duttonianus
 - Unio (Elliptio) duttonianus I. Lea, 1841 [SYNONYM SPECIES 300004:CGKD6 nidx=null parent=6F4N8]
 + Unio (Elliptio) duttonianus I. Lea, 1841 [SYNONYM SPECIES 301450:CHK48 nidx=null parent=6F4N8]
Unio (Elliptio) hazelhurstianus
 - Unio (Elliptio) hazelhurstianus I. Lea, 1858 [SYNONYM SPECIES 300004:CGKDH nidx=null parent=6F4N8]
 + Unio (Elliptio) hazelhurstianus I. Lea, 1858 [SYNONYM SPECIES 301450:CHK4F nidx=null parent=6F4N8]
Unio (Elliptio) icterinus
 - Unio (Elliptio) icterinus Conrad, 1834 [SYNONYM SPECIES 300004:CFB4S nidx=null parent=39BK9]
 + Unio (Elliptio) icterinus Conrad, 1834 [SYNONYM SPECIES 301450:CHK4H nidx=null parent=39BK9]
Unio (Elliptio) naviculoides
 - Unio (Elliptio) naviculoides I. Lea, 1857 [SYNONYM SPECIES 300004:CGKDR nidx=null parent=6F4N8]
 + Unio (Elliptio) naviculoides I. Lea, 1857 [SYNONYM SPECIES 301450:CHK4P nidx=null parent=6F4N8]
Unio (Elliptio) polymorphus
 - Unio (Elliptio) polymorphus B. H. Wright, 1899 [SYNONYM SPECIES 300004:C8L62 nidx=null parent=39BKV]
 + Unio (Elliptio) polymorphus B. H. Wright, 1899 [SYNONYM SPECIES 301450:CHK4R nidx=null parent=39BKV]
Unio (Elliptio) shepardianus
 - Unio (Elliptio) shepardianus I. Lea, 1834 [SYNONYM SPECIES 300004:CF7HH nidx=null parent=39BLS]
 + Unio (Elliptio) shepardianus I. Lea, 1834 [SYNONYM SPECIES 301450:CHHQK nidx=null parent=39BLS]
Unio (Elliptio) sloatianus
 - Unio (Elliptio) sloatianus I. Lea, 1840 [SYNONYM SPECIES 300004:CGHCB nidx=null parent=39BNK]
 + Unio (Elliptio) sloatianus I. Lea, 1840 [SYNONYM SPECIES 301450:CHHQM nidx=null parent=39BNK]
Unio (Elliptio) spadiceus
 - Unio (Elliptio) spadiceus I. Lea, 1857 [SYNONYM SPECIES 300004:CGHCD nidx=null parent=39BJ9]
 + Unio (Elliptio) spadiceus I. Lea, 1857 [SYNONYM SPECIES 301450:CHHQQ nidx=null parent=39BJ9]
Unio (Elliptio) stonensis
 - Unio (Elliptio) stonensis I. Lea, 1840 [SYNONYM SPECIES 300004:CF7HR nidx=null parent=3D5B9]
 + Unio (Elliptio) stonensis I. Lea, 1840 [SYNONYM SPECIES 301450:CHHQV nidx=null parent=3D5B9]
Unio (Elliptio) striatulus
 - Unio (Elliptio) striatulus I. Lea, 1857 [SYNONYM SPECIES 300004:CGHCK nidx=null parent=6JSKJ]
 + Unio (Elliptio) striatulus I. Lea, 1857 [SYNONYM SPECIES 301450:CHHQW nidx=null parent=6JSKJ]
Unio (Elliptio) tuomeyi
 - Unio (Elliptio) tuomeyi I. Lea, 1852 [SYNONYM SPECIES 300004:CGHD2 nidx=null parent=39BK9]
 + Unio (Elliptio) tuomeyi I. Lea, 1852 [SYNONYM SPECIES 301450:CHHR5 nidx=null parent=39BK9]
Unio (Elliptio) waccamawensis
 - Unio (Elliptio) waccamawensis I. Lea, 1863 [SYNONYM SPECIES 300004:C8L7D nidx=null parent=39BJB]
 + Unio (Elliptio) waccamawensis I. Lea, 1863 [SYNONYM SPECIES 301450:CHHR6 nidx=null parent=39BJB]
Unio (Nodularia) douglasiae
 - Unio (Nodularia) douglasiae J. E. Gray, 1833 [SYNONYM SPECIES 300004:CGKF2 nidx=null parent=47LN9]
 + Unio (Nodularia) douglasiae J. E. Gray, 1833 [SYNONYM SPECIES 301450:CHK4V nidx=null parent=47LN9]
Unio (Uniomerus) tetralasmus manubius
 - Unio (Uniomerus) tetralasmus manubius A. Gould, 1855 [SYNONYM SUBSPECIES 300004:CGHCX nidx=null parent=7DKK7]
 + Unio (Uniomerus) tetralasmus manubius A. Gould, 1855 [SYNONYM SUBSPECIES 301450:CHHR2 nidx=null parent=7DKK7]
Unio diluvii
 - Unio diluvii A. d'Orbigny, 1843 [SYNONYM SPECIES 300004:8Z7S2 nidx=null parent=8Z67D]
 + Unio diluvii A. d'Orbigny, 1839 [SYNONYM SPECIES 301450:CHK57 nidx=null parent=CGZQR]
Usia (Micrusia) forcipata
 - Usia (Micrusia) forcipata Brullé, 1833 [ACCEPTED SPECIES 300004:8FL5B nidx=null]
 + Usia (Micrusia) forcipata Brullé, 1833 [ACCEPTED SPECIES 301450:7F2WV nidx=null]
Usia (Usia) martini
 - Usia (Usia) martini François, 1969 [ACCEPTED SPECIES 300004:8FL6J nidx=null]
 + Usia (Usia) martini François, 1969 [ACCEPTED SPECIES 301450:7F2XC nidx=null]
Vaginula
 - Vaginula auct. [SYNONYM GENUS 300004:CC9X7 nidx=null parent=7PKLD]
 - Vaginula auct. [PROVISIONALLY_ACCEPTED GENUS 300004:CC9X8 nidx=null]
 + Vaginula [SYNONYM GENUS 301450:BGTFH nidx=null parent=7PKLD]
 + Vaginula [PROVISIONALLY_ACCEPTED GENUS 301450:BGTFJ nidx=null]
Vanicoro
 - Vanicoro [SYNONYM GENUS 300004:BGTGR nidx=null parent=7PKM4]
 + Vanicoro J. E. Gray, 1842 [SYNONYM GENUS 301450:CHJD3 nidx=null parent=7PKM4]
Vanikoro cuvieriana
 - Vanikoro cuvieriana (Récluz, 1843) [ACCEPTED SPECIES 300004:7FH32 nidx=null]
 + Vanikoro cuvieriana (Récluz, 1846) [ACCEPTED SPECIES 301450:CHJD8 nidx=null]
Vanikoroia
 - Vanikoroia [SYNONYM GENUS 300004:C5QSG nidx=null parent=7PKM4]
 + Vanikoroia Martin, 1914 [SYNONYM GENUS 301450:CHJD9 nidx=null parent=7PKM4]
Vasticardium assimile assimile
 - Vasticardium assimile assimile (Reeve, 1844) [ACCEPTED SUBSPECIES 300004:7V434 nidx=null]
 + Vasticardium assimile assimile (Reeve, 1844) [SYNONYM SUBSPECIES 301450:5LQJD nidx=null parent=7FK7N]
Vatana
 - Vatana Dworakowska, 1995 [SYNONYM GENUS 300004:8HSPC nidx=null parent=BYSNF]
 + Vatana Dworakowska, 1995 [SYNONYM GENUS 301450:CHJG9 nidx=null parent=BYSNF]
Venus alvarezii
 - Venus alvarezii A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:BHN5F nidx=null parent=66B3W]
 + Venus alvarezii A. d'Orbigny, 1846 [SYNONYM SPECIES 301450:CHJJ9 nidx=null parent=66B3W]
Venus portesiana
 - Venus portesiana A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:7FMJG nidx=null parent=6PVC2]
 + Venus portesiana A. d'Orbigny, 1846 [SYNONYM SPECIES 301450:CHJJS nidx=null parent=6PVC2]
Volvarina avenacea
 - Volvarina avenacea auct. [SYNONYM SPECIES 300004:CCF7K nidx=null parent=4N8HW]
 + Volvarina avenacea [SYNONYM SPECIES 301450:5BQDC nidx=null parent=4N8HW]
Volvarina biannulata
 - Volvarina biannulata auct. [SYNONYM SPECIES 300004:CCF7N nidx=null parent=7VBDB]
 + Volvarina biannulata [SYNONYM SPECIES 301450:BHNFH nidx=null parent=7VBDB]
Weinmannia microphylla
 - Weinmannia microphylla Ruiz & Pav. ex López [ACCEPTED SPECIES 300004:CGHTS nidx=null]
 + Weinmannia microphylla Ruiz & Pav. [AMBIGUOUS_SYNONYM SPECIES 301450:CHHZL nidx=null parent=CHHZM]
 + Weinmannia microphylla Ruiz & Pav. ex López [ACCEPTED SPECIES 301450:CHHZM nidx=null]
Xenia faraunensis
 - Xenia faraunensis Verseveldt & Cohen, 1971 [SYNONYM SPECIES 300004:857GY nidx=null parent=85W8X]
 + Xenia faraunensis Verseveldt & Cohen, 1971 [SYNONYM SPECIES 301450:5C96Z nidx=null parent=85W8X]
Xenosiphon mundanus
 - Xenosiphon mundanus (Selenka & Bülow in Selenka, de Man & Bülow, 1883) [SYNONYM SPECIES 300004:CCC3Q nidx=null parent=7WVP6]
 + Xenosiphon mundanus (Selenka & Bülow in Selenka, de Man & Bülow, 1883) [SYNONYM SPECIES 301450:CHJHD nidx=null parent=7WVP6]
Yoraperla japonica
 - Yoraperla japonica [SYNONYM SPECIES 300004:9J5KS nidx=null parent=5CSB3]
 + Yoraperla japonica (Uéno, 1929) [SYNONYM SPECIES 301450:CHK29 nidx=null parent=5CSB3]
Zetamphistoma compactum
 - Zetamphistoma compactum Thatcher & Jégu, 1996 [SYNONYM SPECIES 300004:CCG2J nidx=null parent=8484F]
 + Zetamphistoma compactum Thatcher & Jégu, 1996 [SYNONYM SPECIES 301450:CHK6L nidx=null parent=8484F]
Zirphaea
 - Zirphaea auct. [SYNONYM GENUS 300004:CCG4R nidx=null parent=7PLFF]
 + Zirphaea [SYNONYM GENUS 301450:BGV2Y nidx=null parent=7PLFF]
Zygaena cingulata
 - Zygaena cingulata Reiss, 1931 [SYNONYM SPECIES 300004:CCG7X nidx=null parent=944GZ]
 + Zygaena cingulata Reiss, 1935 [SYNONYM SPECIES 301450:CHK77 nidx=null parent=98VGQ]
 + Zygaena cingulata Reiss, 1935 [SYNONYM SPECIES 301450:CHK78 nidx=null parent=98VK4]
 + Zygaena cingulata Burgeff, 1906 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK79 nidx=null parent=93SHD]
 + Zygaena cingulata Burgeff, 1914 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK7B nidx=null parent=93SHR]
 + Zygaena cingulata Burgeff, 1914 [SYNONYM SPECIES 301450:CHK7C nidx=null parent=9448M]
 + Zygaena cingulata Burgeff, 1914 [SYNONYM SPECIES 301450:CHK7D nidx=null parent=94FB3]
 + Zygaena cingulata Burgeff, 1914 [SYNONYM SPECIES 301450:CHK7F nidx=null parent=944MB]
 + Zygaena cingulata Burgeff, 1914 [SYNONYM SPECIES 301450:CHK7G nidx=null parent=944K2]
 + Zygaena cingulata Burgeff, 1926 [SYNONYM SPECIES 301450:CHK7H nidx=null parent=944CL]
 + Zygaena cingulata Burgeff, 1926 [SYNONYM SPECIES 301450:CHK7J nidx=null parent=94FB3]
 + Zygaena cingulata Burgeff, 1926 [SYNONYM SPECIES 301450:CHK7K nidx=null parent=94484]
 + Zygaena cingulata Dziurzynski, 1908 [SYNONYM SPECIES 301450:CHK7L nidx=null parent=9447Q]
 + Zygaena cingulata Dziurzynski, 1908 [SYNONYM SPECIES 301450:CHK7M nidx=null parent=9446S]
 + Zygaena cingulata Holik & Reiss, 1932 [SYNONYM SPECIES 301450:CHK7N nidx=null parent=94GCY]
 + Zygaena cingulata Reiss, 1931 [SYNONYM SPECIES 301450:CHK7P nidx=null parent=944GZ]
 + Zygaena cingulata Holik & Sheljuzhko, 1956 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK7Q nidx=null parent=5D9SR]
 + Zygaena cingulata Holik & Sheljuzhko, 1956 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK7R nidx=null parent=93SDL]
 + Zygaena cingulata Holik, 1935 [SYNONYM SPECIES 301450:CHK7S nidx=null parent=9447W]
 + Zygaena cingulata Reiss, 1964 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK7T nidx=null parent=93SFJ]
 + Zygaena cingulata Turati, 1923 [SYNONYM SPECIES 301450:CHK7V nidx=null parent=944GY]
 + Zygaena cingulata Turati, 1923 [SYNONYM SPECIES 301450:CHK7W nidx=null parent=944P9]
 + Zygaena cingulata Vorbrodt, 1913 [SYNONYM SPECIES 301450:CHK7X nidx=null parent=94F9H]
Zygaena confluens
 - Zygaena confluens Reiss, 1931 [SYNONYM SPECIES 300004:CFBBV nidx=null parent=944GZ]
 - Zygaena confluens Oberthür, 1911 [SYNONYM SPECIES 300004:CFBCR nidx=null parent=944G4]
 + Zygaena confluens Dziurzynski, 1906 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK7Y nidx=null parent=93S9X]
 + Zygaena confluens Dziurzynski, 1906 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK7Z nidx=null parent=93SK6]
 + Zygaena confluens Holik & Reiss, 1932 [SYNONYM SPECIES 301450:CHK82 nidx=null parent=944GG]
 + Zygaena confluens [École Bordelaise], 1933 [SYNONYM SPECIES 301450:CHK83 nidx=null parent=944H2]
 + Zygaena confluens Reiss, 1931 [SYNONYM SPECIES 301450:CHK84 nidx=null parent=5LVBK]
 + Zygaena confluens Reiss, 1931 [SYNONYM SPECIES 301450:CHK85 nidx=null parent=5LVBL]
 + Zygaena confluens Holik & Reiss, 1932 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK86 nidx=null parent=93S9C]
 + Zygaena confluens Burgeff, 1906 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK87 nidx=null parent=93SHD]
 + Zygaena confluens Burgeff, 1906 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK88 nidx=null parent=93SFH]
 + Zygaena confluens Burgeff, 1914 [SYNONYM SPECIES 301450:CHK89 nidx=null parent=9448Y]
 + Zygaena confluens Burgeff, 1914 [SYNONYM SPECIES 301450:CHK8B nidx=null parent=98VJW]
 + Zygaena confluens Burgeff, 1914 [SYNONYM SPECIES 301450:CHK8C nidx=null parent=94493]
 + Zygaena confluens Burgeff, 1926 [SYNONYM SPECIES 301450:CHK8D nidx=null parent=9447S]
 + Zygaena confluens Burgeff, 1926 [SYNONYM SPECIES 301450:CHK8F nidx=null parent=94F9H]
 + Zygaena confluens Burgeff, 1926 [SYNONYM SPECIES 301450:CHK8G nidx=null parent=9448G]
 + Zygaena confluens Burgeff, 1926 [SYNONYM SPECIES 301450:CHK8H nidx=null parent=944NX]
 + Zygaena confluens Burgeff, 1926 [SYNONYM SPECIES 301450:CHK8J nidx=null parent=94F9F]
 + Zygaena confluens Dziurzynski, 1902 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK8K nidx=null parent=93SD2]
 + Zygaena confluens Dziurzynski, 1902 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK8L nidx=null parent=93SJ6]
 + Zygaena confluens Dziurzynski, 1902 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK8M nidx=null parent=93SFK]
 + Zygaena confluens Dziurzynski, 1908 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK8N nidx=null parent=93SK6]
 + Zygaena confluens Dziurzynski, 1908 [SYNONYM SPECIES 301450:CHK8P nidx=null parent=98VGZ]
 + Zygaena confluens Dziurzynski, 1908 [SYNONYM SPECIES 301450:CHK8Q nidx=null parent=944HJ]
 + Zygaena confluens Dziurzynski, 1908 [SYNONYM SPECIES 301450:CHK8R nidx=null parent=98VGZ]
 + Zygaena confluens Dziurzynski, 1910 [SYNONYM SPECIES 301450:CHK8S nidx=null parent=98VK4]
 + Zygaena confluens Koch, 1941 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK8T nidx=null parent=93SCF]
 + Zygaena confluens Oberthür, 1896 [SYNONYM SPECIES 301450:CHK8V nidx=null parent=944F8]
 + Zygaena confluens Oberthür, 1896 [SYNONYM SPECIES 301450:CHK8W nidx=null parent=95DBX]
 + Zygaena confluens Oberthür, 1896 [SYNONYM SPECIES 301450:CHK8X nidx=null parent=944NH]
 + Zygaena confluens Oberthür, 1896 [SYNONYM SPECIES 301450:CHK8Y nidx=null parent=944G4]
 + Zygaena confluens Oberthür, 1896 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK8Z nidx=null parent=93SCF]
 + Zygaena confluens Oberthür, 1910 [AMBIGUOUS_SYNONYM SPECIES 301450:CHK92 nidx=null parent=93SHQ]
 + Zygaena confluens Oberthür, 1911 [SYNONYM SPECIES 301450:CHK93 nidx=null parent=944G4]
 + Zygaena confluens Reiss, 1964 [SYNONYM SPECIES 301450:CHK94 nidx=null parent=944JJ]
 + Zygaena confluens Rocci, 1914 [SYNONYM SPECIES 301450:CHK95 nidx=null parent=944D6]
 + Zygaena confluens Spuler, 1906 [SYNONYM SPECIES 301450:CHK96 nidx=null parent=944JV]
 + Zygaena confluens Spuler, 1906 [SYNONYM SPECIES 301450:CHK97 nidx=null parent=944F8]
Zygaena latemarginata
 - Zygaena latemarginata Reiss, 1941 [SYNONYM SPECIES 300004:C5XNG nidx=null parent=944C9]
 + Zygaena latemarginata Reiss, 1940 [AMBIGUOUS_SYNONYM SPECIES 301450:CHKHF nidx=null parent=93SHD]
 + Zygaena latemarginata Reiss, 1940 [AMBIGUOUS_SYNONYM SPECIES 301450:CHKHG nidx=null parent=93SHD]
 + Zygaena latemarginata Reiss, 1941 [SYNONYM SPECIES 301450:CHKHH nidx=null parent=944C9]
 + Zygaena latemarginata Reiss, 1950 [SYNONYM SPECIES 301450:CHKHJ nidx=null parent=944L9]
 + Zygaena latemarginata Reiss, 1950 [SYNONYM SPECIES 301450:CHKHK nidx=null parent=944H5]
 + Zygaena latemarginata Reiss, 1953 [SYNONYM SPECIES 301450:CHKHL nidx=null parent=944KL]
Zygina (Zygina)
 - Zygina (Zygina) Fieber, 1866 [ACCEPTED SUBGENUS 300004:9JPD6 nidx=null]
 + Zygina (Zygina) Fieber, 1866 [ACCEPTED SUBGENUS 301450:CH2DY nidx=null]