Between brackets is the number of accepted species
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- Biota
- Kingdom Animalia
- Phylum Acanthocephala
- Phylum Agmata †
- Phylum Animalia (awaiting allocation)
- Phylum Animalia incertae sedis
- Phylum Annelida
- Phylum Arthropoda
- Subphylum Chelicerata
- Subphylum Crustacea
- Subphylum Hexapoda
- Class Collembola
- Class Diplura
- Class Entognatha accepted as Hexapoda
- Class Insecta
- Order Alienoptera † accepted as Blattodea
- Order Amphiesmenoptera incertae sedis †
- Order Anoplura accepted as Phthiraptera
- Order Archaeognatha
- Order Archaeorthoptera (awaiting allocation) †
- Order Archaeorthoptera incertae sedis
- Order Argentinoptera †
- Order Blattodea
- Order Blattoptera †
- Order Caloneurida
- Order Caloneurodea †
- Order Cnemidolestodea †
- Order Coleoptera
- Order Coxoplectoptera †
- Order Dermaptera
- Order Diaphanopterodea †
- Order Diaphanopteroidea accepted as Diaphanopterodea †
- Order Dicliptera †
- Order Dicondylia incertae sedis
- Order Dictyoptera (awaiting allocation)
- Order Dictyoptera incertae sedis
- Order Diptera
- Family Acartophthalmidae Czerny, 1928
- Family Acroceridae Leach, 1815
- Family Agromyzidae Fallén, 1823
- Family Alinkidae Krzemiński, 1992 † accepted as Procramptonomyiidae Kovalev, 1985 †
- Family Anisopidae accepted as Anisopodidae Knab, 1912
- Family Anisopodidae Knab, 1912
- Family Ansorgiidae Evenhuis, 1994 †
- Family Antefungivoridae Rohdendorf, 1938 †
- Family Anthomyiidae Latreille, 1829
- Family Anthomyzidae Czerny, 1903
- Family Apioceridae Bigot, 1857
- Family Apsilocephalidae Nagatomi, Saigusa, Nagatomi & Lyneborg, 1991
- Family Apystomyiidae Nagatomi & Liu, 1994
- Family Archisargidae Rohdendorf, 1951 †
- Family Architendipedidae Rohdendorf, 1962 † accepted as Ptychopteridae Osten Sacken, 1862
- Family Archizelmiridae Rohdendorf, 1962 †
- Family Asilidae Latreille, 1802
- Family Asiloidea incertae sedis
- Family Asiochaoboridae Hong & Wang, 1990 †
- Family Asteiidae Rondani, 1856
- Family Atelestidae Hennig, 1970
- Family Athericidae Nowicki, 1873
- Family Aulacigastridae Duda, 1924
- Family Australimyzidae Griffiths, 1972
- Family Austroleptidae Nagatomi, 1982
- Family Axymyiidae Shannon, 1921
- Family Bengaliidae Brauer & Bergenstamm, 1889
- Family Bibionidae Fleming, 1821
- Family Blephariceridae Loew, 1862
- Family Blepharoceridae accepted as Blephariceridae Loew, 1862
- Family Boholdoyidae Kovalev, 1985 †
- Family Bolithophilidae accepted as Bolitophilidae Winnertz, 1863
- Family Bolitophilidae Winnertz, 1863
- Family Bombylidae accepted as Bombyliidae Latreille, 1802
- Family Bombyliidae Latreille, 1802
- Genus Acanthogeron Bezzi, 1924
- Genus Aceotrichus Macquart, 1850 accepted as Acreotrichus Macquart, 1850
- Genus Acophthalmyda
- Genus Acreophthiria Evenhuis, 1986
- Genus Acreotrichites Cockerell, 1917
- Genus Acreotrichus Macquart, 1850
- Genus Acrodisca Bezzi, 1921
- Genus Acrophthalmyda Bigot, 1858
- Genus Adelidea Macquart, 1840
- Genus Adelides
- Genus Adelogenys Hesse, 1938
- Genus Agitonia Hull, 1966
- Genus Aldrichia Coquillett, 1894
- Genus Alepidophora Cockerell, 1909
- Genus Aleucosia Edwards, 1934
- Genus Allocotus Loew, 1872 accepted as Paracosmus Osten-Sacken, 1877
- Genus Alomatia Cockerell, 1914
- Genus Alonipola Rondani, 1863 accepted as Enica Macquart, 1834
- Genus Alyosia Rondani, 1863 accepted as Comptosia Macquart, 1840
- Genus Amictites Hennig, 1966
- Genus Amictogern
- Genus Amictogeron Hesse, 1938
- Genus Amictus Wiedemann, 1817
- Genus Amphicosmus Coquillet, 1891
- Genus Anastoechus Osten-Sacken, 1877
- Genus Anisotamia Macquart, 1841
- Genus Anthracamoeba Sack, 1909
- Genus Anthrax Scopoli, 1763
- Genus Antonia Loew, 1856
- Genus Antoniaustralia Becker, 1912
- Genus Antrax Macquart, 1847 accepted as Anthrax Scopoli, 1763
- Genus Apatomyza Wiedemann, 1820
- Genus Aphochantus Hyslop, 1912 accepted as Aphoebantus Loew, 1872
- Genus Aphoebantus Loew, 1872
- Genus Apiformyia Yeates, 2008
- Genus Apolysis Loew, 1860
- Genus Argyramoeba Coucki, 1894 accepted as Argyromoeba Schiner, 1860
- Genus Argyromoeba Schiner, 1860
- Genus Argyrospila Rondani, 1856 accepted as Exoprosopa Macquart, 1841
- Genus Argyrospyla Rondani, 1856 accepted as Argyrospila Rondani, 1856
- Genus Astropha Rafinesque, 1815
- Genus Astrophanes Osten-Sacken, 1886
- Genus Atrichochira Hesse, 1956
- Genus Aureomoeba Evenhuis, 1978
- Genus Australiphthiria Evenhuis, 1986
- Genus Australoechus Greathead, 1995
- Genus Balaana Lambkin & Yeates in Lambkin, Yeates & Greathead, 2003
- Genus Beckerellus Greathead, 1995
- Genus Bombomyia Greathead, 1995
- Genus Bombylella Greathead, 1995
- Genus Bombylisoma Rondani, 1856
- Genus Bombylius Linnaeus, 1758
- Genus Bombylodes Paramonov, 1940
- Genus Bombylosoma Loew, 1862 accepted as Bombylisoma Rondani, 1856
- Genus Brachyanax Evenhuis, 1981
- Genus Brachydemia Hull, 1973
- Genus Bromoglycis Hull, 1971
- Genus Brychosoma Hull, 1973
- Genus Bryodema Hull, 1966 accepted as Bryodemina Hull, 1973
- Genus Bryodemina Hull, 1973
- Genus Cacoplox Hull, 1970
- Genus Caecanthrax Greathead, 1981
- Genus Caenotoides Hall, 1972
- Genus Caenotus Cole, 1923
- Genus Callistoma Agassiz, 1846 accepted as Callostoma Macquart, 1840
- Genus Callostoma Macquart, 1840
- Genus Callynthrophora Schiner, 1867
- Genus Calopelta Greene, 1921
- Genus Camptosia Macquart, 1840 accepted as Comptosia Macquart, 1840
- Genus Canaria Becker, 1913
- Genus Canariellum Strand, 1928 †
- Genus Cephenes Latreille in Cuvier, 1829 accepted as Systropus Wiedemann, 1820
- Genus Cephenius Enderlein, 1926
- Genus Cephenus Berthold in Latreille, 1827 accepted as Systropus Wiedemann, 1820
- Genus Chalcamoeba Sack, 1909
- Genus Chalcochiton Loew, 1844
- Genus Chasmoneura Hesse, 1938
- Genus Cheilohadrus Hesse, 1938
- Genus Chiasmella Bezzi, 1924
- Genus Chionamoeba Sack, 1909
- Genus Choristus Walker, 1852
- Genus Chrysamoeba Sack, 1909
- Genus Chrysanthrax Osten-Sacken, 1886
- Genus Cillenia Scudder, 1882 accepted as Cyllenia Latreille, 1802
- Genus Cladella Hull, 1973
- Genus Cladella Hall & Evenhuis, 1987
- Genus Cladodisca Bezzi, 1924
- Genus Codionus Rondani, 1873 accepted as Conophorus Meigen, 1803
- Genus Colossoptera Hull, 1973
- Genus Comastes Osten-Sacken, 1877
- Genus Comastus Van der Wulp, 1899 † accepted as Comastes Osten-Sacken, 1877
- Genus Comptosia Macquart, 1840
- Genus Coniomastix Enderlein, 1934
- Genus Conomyza Hesse, 1956
- Genus Cononedys Hermann, 1907
- Genus Conophorina Becker, 1920
- Genus Conophorus Meigen, 1803
- Genus Coptodicrus Enderlein, 1926
- Genus Coptopelma Enderlein, 1926
- Genus Coptrodicrus
- Genus Corsomyia Loew, 1850 accepted as Corsomyza Wiedemann, 1820
- Genus Corsomyza Wiedemann, 1820
- Genus Coryprosopa
- Genus Cretabombylia Ye, Yao, Shih, Ren & Wang, 2019 †
- Genus Crocidium Loew, 1860
- Genus Cryomyia Hull, 1973
- Genus Cyananthrax Painter, 1959
- Genus Cyclorhynchus Macquart, 1841
- Genus Cyllenia Latreille, 1802
- Genus Cyrtomyia Bigot, 1892
- Genus Cyrtophorus Bigot, 1857 accepted as Cyrtomyia Bigot, 1892
- Genus Cyterea Bigot, 1857 accepted as Cytherea Fabricius, 1794
- Genus Cyterea Rondani, 1856 accepted as Cytherea Fabricius, 1794
- Genus Cytherea Fabricius, 1794
- Genus Cyx Evenhuis, 1993
- Genus Dagestania Paramonov, 1929
- Genus Dasypalpoides Evenhuis, 1978
- Genus Dasypalpus Macquart, 1841
- Genus Desmatomyia Williston, 1895
- Genus Desmatoneura Williston, 1895
- Genus Deusopora Hull, 1971
- Genus Diatropomma Bowden, 1962
- Genus Dicranoclista Bezzi, 1924
- Genus Diliopteryx Hesse, 1956
- Genus Dimelopelma Enderlein, 1926
- Genus Dimorphaphus Walker, 1871
- Genus Dimorphophora Walker, 1871
- Genus Diochanthrax Hall, 1975
- Genus Dipalta Osten-Sacken, 1877
- Genus Diplocampta Schiner, 1867
- Genus Dischistus Loew, 1855
- Genus Dischitus
- Genus Dissodesma Bowden & Li in Li & Yeates, 2018
- Genus Docidomyia White, 1917
- Genus Doddosia Edwards, 1934
- Genus Dolichomyia Wiedemann, 1830
- Genus Doliogethes Hesse, 1938
- Genus Dumontiella Séguy, 1932
- Genus Eccremus Wiedemann, 1821 accepted as Tmemophlebia Evenhuis, 1986
- Genus Eclimmus Agassiz, 1846 accepted as Eclimus Loew, 1844
- Genus Eclimus Loew, 1844
- Genus Ectopusia Gibbs, 2023
- Genus Edmundiella Becker, 1915
- Genus Efflatounia Bezzi, 1924
- Genus Elachymyia Hall & Evenhuis, 1987
- Genus Elektrophthiria Nel, 2006 †
- Genus Empidideicus Becker, 1907
- Genus Empidigeron Painter, 1932
- Genus Enica Meigen, 1838
- Genus Enica Macquart, 1834
- Genus Eniconeura Agassiz, 1845
- Genus Eniconevra Macquart, 1840 accepted as Toxophora Meigen, 1803
- Genus Eoconophorina Maheu & Nel, 2020 †
- Genus Epacmoides Hesse, 1956
- Genus Epacmus Osten-Sacken, 1887
- Genus Epibates Osten-Sacken, 1877
- Genus Eremyia Greathead, 1996
- Genus Eristalopsis Evenhuis, 1985
- Genus Eucessia Coquillett, 1886
- Genus Eucharimyia Bigot, 1889 accepted as Euchariomyia Bigot, 1888
- Genus Euchariomyia Van der Wulp, 1896 accepted as Euchariomyia Bigot, 1888
- Genus Euchariomyia Bigot, 1888
- Genus Euligyra Lambkin in Lambkin, Yeates & Greathead, 2003
- Genus Euprepina Hull, 1971
- Genus Eurycarenus Loew, 1860
- Genus Euryphthiria Evenhuis, 1986
- Genus Eusurbus Roberts, 1929
- Genus Exechohypopion Evenhuis, 1991
- Genus Exepacmus Coquillett, 1894
- Genus Exhyalanthrax Becker, 1916
- Genus Exoprosopa Macquart, 1841
- Genus Exoptata Coquillett, 1887
- Genus Exosoma Séguy, 1938 accepted as Litorhina Bowden, 1975
- Genus Gazlia Zaitzev, 1999
- Genus Geminaria Coquillett, 1894
- Genus Geron Meigen, 1820
- Genus Geronites Cockerell, 1914
- Genus Glabella Loew in Meigen, 1873 accepted as Glabellula Bezzi, 1902
- Genus Glabellula Bezzi, 1902
- Genus Glaesamictus Hennig, 1966
- Genus Glossista Rondani, 1856 accepted as Cytherea Fabricius, 1794
- Genus Gnumyia Bezzi, 1921
- Genus Gonarthrus Bezzi, 1921
- Genus Gyrocraspedum Becker, 1913
- Genus Hallidia Hull, 1970
- Genus Hemipenthes Loew, 1869
- Genus Henica Agassiz, 1846
- Genus Heniconevra Agassiz, 1846 accepted as Toxophora Meigen, 1803
- Genus Heteralonia Rondani, 1863
- Genus Heterostilum Macquart, 1848 accepted as Heterostylum Macquart, 1848
- Genus Heterostylum Macquart, 1848
- Genus Heterotropus Loew in Meigen, 1873
- Genus Hirsutophallus Yamaguchi, Lamas & Evenhuis, 2017
- Genus Homolonia Bowden, 1975
- Genus Hyperalonia Rondani, 1863
- Genus Hyperusia Bezzi, 1924
- Genus Ins Evenhuis, 2020
- Genus Inyo Hall & Evenhuis, 1987
- Genus Isocnemus Bezzi, 1924
- Genus Isopenthes Osten-Sacken, 1886
- Genus Isotamia Bezzi, 1912
- Genus Kapu Lambkin & Yeates, 2006
- Genus Kapua Lambkin & Yeates in Lambkin, Yeates & Greathead, 2003
- Genus Karakumia Paramonov, 1926
- Genus Lambkinomyia Li & Yeates, 2018
- Genus Laminanthrax Greathead, 1967
- Genus Larrpana Lambkin & Yeates in Lambkin, Yeates & Greathead, 2003
- Genus Lasioprosopa Macquart, 1855
- Genus Laurella Hull, 1971
- Genus Legnotomyia Bezzi, 1902
- Genus Legnotus Loew, 1855 accepted as Legnotomyia Bezzi, 1902
- Genus Legonotus Bischof, 1903 accepted as Legnotomyia Bezzi, 1902
- Genus Lepidanthrax Osten-Sacken, 1886
- Genus Lepidochlanus Hesse, 1938
- Genus Lepidophora Westwood, 1835
- Genus Leptochilus Loew, 1872 accepted as Epacmus Osten-Sacken, 1887
- Genus Leucamoeba Sack, 1909
- Genus Ligyra Newman, 1841
- Genus Liophleba Bezzi, 1924 accepted as Lyophlaeba Rondani, 1863
- Genus Lissomerus Austen, 1937
- Genus Lithocosmus Cockerell, 1909
- Genus Lithorhynchus Macquart, 1850 accepted as Exoprosopa Macquart, 1841
- Genus Litorhina Bowden, 1975
- Genus Litorhynchus Macquart, 1841 accepted as Exoprosopa Macquart, 1841
- Genus Litorrhynchus accepted as Exoprosopa Macquart, 1841
- Genus Logcocerius Rondani, 1863 accepted as Cytherea Fabricius, 1794
- Genus Lomatia Meigen, 1822
- Genus Lonchocerius Bezzi, 1924 accepted as Logcocerius Rondani, 1863
- Genus Loncocerius Bezzi, 1903 accepted as Logcocerius Rondani, 1863
- Genus Lordotus Loew, 1863
- Genus Lygira Bigot, 1858 accepted as Ligyra Newman, 1841
- Genus Lyophlaeba Rondani, 1863 accepted as Macrocondyla Rondani, 1863
- Genus Macrocondyla Rondani, 1863
- Genus Malhacotricha
- Genus Mallophthiria Edwards, 1930
- Genus Malthacotricha Becker, 1907
- Genus Mancia Coquillett, 1886
- Genus Mandella Evenhuis, 1983
- Genus Mariobezzia Becker, 1912
- Genus Marleyimyia Hesse, 1956
- Genus Marmasoma White, 1917
- Genus Megacosmus Cockerell, 1909
- Genus Meganthrax Evenhuis, 1979
- Genus Megaphthiria Hall, 1975
- Genus Megaplpus
- Genus Melanderella Cockerell, 1909
- Genus Meomyia Evenhuis, 1983
- Genus Merleus Zaitzev, 2003
- Genus Mesoclis Bezzi, 1924
- Genus Metacosmus Coquillett, 1891
- Genus Micomitra Bowden, 1964
- Genus Microburmyia Grimaldi & Cumming, 2011 †
- Genus Micrusia Evenhuis, 1989
- Genus Mitinha Rafael & Limeira-de-Oliveira, 2014
- Genus Molybdamoeba Sack, 1909
- Genus Mulio Latreille, 1796
- Genus Munjua Lambkin & Yeates in Lambkin, Yeates & Greathead, 2003
- Genus Muscatheres Evenhuis, 1986
- Genus Muwarna Lambkin & Yeates in Lambkin, Yeates & Greathead, 2003
- Genus Myonema Roberts, 1929
- Genus Mythastrabes Hall & Evenhuis, 1986
- Genus Mythenteles Hall & Evenhuis, 1986
- Genus Mythicomyia Coquillet, 1893
- Genus Mythiocomyia Coquillet, 1893 accepted as Mythicomyia Coquillet, 1893
- Genus Neacreotrichus Cockerell, 1917
- Genus Nectaropota Philippi, 1865
- Genus Neobombylodes Evenhuis, 1978
- Genus Neodiplocampta Curran, 1934
- Genus Neodischistus Painter, 1933
- Genus Neosardus Roberts, 1929
- Genus Nettadion Gistl, 1848 accepted as Lomatia Meigen, 1822
- Genus Neuria Newman, 1841
- Genus Nexus Hall & Evenhuis, 1987
- Genus Ngalki Lambkin, 2011
- Genus Nidergasia Jouault & Nel, 2020 †
- Genus Nigromyia Li & Yeates, 2018
- Genus Nomalonia Rondani, 1863
- Genus Nothoschistus Bowden, 1985
- Genus Notolegnotus Greathead & Evenhuis, 2001
- Genus Notolomatia Greathead, 1998
- Genus Nyia Márquez-Acero, Lambkin & Lamas, 2020
- Genus Oestranthrax Bezzi, 1923
- Genus Oestrimyza Hull, 1973
- Species Oestrimyza fenestrata Hull, 1973
- Genus Ogcodera Walker, 1857 † accepted as Ogcodocera Macquart, 1841
- Genus Ogcodocera Macquart, 1841
- Genus Ogilviella Paramonov, 1954
- Genus Oligodranes Loew, 1844
- Genus Oncodeocera Agassiz, 1846 † accepted as Ogcodocera Macquart, 1841
- Genus Oncodocera Osten-Sacken, 1877 accepted as Ogcodocera Macquart, 1841
- Genus Oncodosia Edwards, 1934
- Genus Oniromyia Bezzi, 1921
- Genus Ostentator Jaennicke, 1867
- Genus Othniomyia Hesse, 1938
- Genus Pachyanthrax François, 1964
- Genus Pachysystropus Cockerell, 1909 †
- Genus Palaeoamictus Meunier, 1916
- Genus Paleocytherea Ngô-Muller & Nel, 2020 †
- Genus Paleolomatia Nel, 2008 †
- Genus Palintonus François, 1964
- Genus Palirika Lambkin & Yeates in Lambkin, Yeates & Greathead, 2003
- Genus Pantarbes Osten-Sacken, 1877
- Genus Pantostomus Bezzi, 1922
- Genus Parabombylius Williston, 1907
- Genus Parachistus Greathead, 1980
- Genus Paraconsors Hall & Evenhuis, 1987
- Genus Paracorsomyza Hennig, 1966 †
- Genus Paracosmus Osten-Sacken, 1877
- Genus Paradiplocampta Hall, 1975
- Genus Parageron Paramonov, 1929
- Genus Paramonovius Li & Yeates, 2018
- Genus Paramonovomyia Evenhuis, 1980
- Genus Paramonovus
- Genus Paranthracina Paramonov, 1933
- Genus Paranthrax Paramonov, 1931 accepted as Ligyra Newman, 1841
- Genus Paranthrax Bigot, 1876
- Genus Parasystoechus Hall, 1975
- Genus Paravilla Painter, 1933
- Genus Parisus Walker, 1852
- Genus Parmonovomyia
- Genus Parusia Gibbs, 2023
- Genus Peculibombylia Ye, Yao, Shih, Ren & Wang, 2019 †
- Genus Peringueyimyia Bigot, 1886
- Genus Petrorossia Bezzi, 1908
- Genus Phthiraxia Li & Yeates, 2016
- Genus Phthiria Meigen, 1803
- Genus Phthyria Rondani, 1856 accepted as Phthiria Meigen, 1803
- Genus Phtiria Wiedemann, 1821 accepted as Phthiria Meigen, 1803
- Genus Phtyria Rondani, 1863 accepted as Phthiria Meigen, 1803
- Genus Pilosia Hull, 1973
- Genus Pipunculopsis Bezzi, 1925
- Genus Platamodes Loew, 1855 accepted as Platamomyia Brèthes, 1924
- Genus Platamomyia Brèthes, 1924
- Genus Platygaster Zetterstedt, 1838 accepted as Glabellula Bezzi, 1902
- Genus Platygaster Zetterstedt, 1837 accepted as Glabellula Bezzi, 1902
- Genus Platypygus Loew, 1844
- Genus Plesiocera Macquart, 1841
- Genus Plichtamyia Evenhuis, 1979
- Genus Ploas Latreille, 1804
- Genus Poecilanthrax Osten-Sacken, 1886
- Genus Poecilognathus Jaennicke, 1867
- Genus Praecytherea Théobald, 1937
- Genus Proglabellula Hennig, 1966
- Genus Prorachthes Loew, 1868
- Genus Prorates Melander, 1906
- Genus Prorostoma Hesse, 1956
- Genus Protepacmus Cockerell, 1916
- Genus Prothaplocnemis Bezzi, 1925
- Genus Protolomatia Cockerell, 1914
- Genus Protophthiria Cockerell, 1914
- Genus Protypusia Gibbs, 2023
- Genus Psamatamoeba Sack, 1909
- Genus Pseudoamictus Engel in Lindner, 1932
- Genus Pseudoammictus Bigot, 1892
- Genus Pseudogeron Cresson, 1915
- Genus Pseudoogeron
- Genus Pseudopenthes Roberts, 1928
- Genus Psiatholasius Becker, 1906
- Genus Pteraulacodes Hesse, 1956
- Genus Pteraulax Bezzi, 1921
- Genus Pterobates Bezzi, 1924
- Genus Pthiria Rossi, 1848 accepted as Phthiria Meigen, 1803
- Genus Pugliesemyia Lamas, Martins, Mendes & Evenhuis, 2024
- Genus Pusilla Paramonov, 1954
- Genus Pygocona Hull, 1973
- Genus Relictiphthiria Evenhuis, 1986
- Genus Rhabdopselaphus Bigot, 1886 accepted as Apolysis Loew, 1860
- Genus Rhadbopselaphus
- Genus Rhynchanthrax Painter, 1933
- Genus Riga Evenhuis, 2013 †
- Genus Robertsmyia Li & Yeates, 2018
- Genus Satyramoeba Sack, 1909
- Genus Semiramis Becker, 1912
- Genus Semistochus Hall, 1975 †
- Genus Sericosoma Macquart, 1850
- Genus Sericothrix Hall, 1975
- Genus Sericusia Edwards, 1937
- Genus Similipioneeria Ye, Yao, Shih, Ren & Wang, 2019 †
- Genus Sinaia Hermann, 1909
- Genus Sisyromyia White, 1916
- Genus Sisyrophanus Karsch, 1886
- Genus Sosiomyia Bezzi, 1921
- Genus Sparnopolius Loew, 1855
- Genus Sphenoidoptera Williston, 1901
- Genus Spogastylum Macquart, 1840 accepted as Spogostylum Macquart, 1840
- Genus Spogostylum Macquart, 1840
- Genus Spongostylum Agassiz, 1846
- Genus Staurostichus Hull, 1973
- Genus Stenolonia Bowden, 1975
- Genus Stomylomyia Bigot, 1887
- Genus Stonyx Osten-Sacken, 1886
- Genus Stygia Meigen, 1820 accepted as Lomatia Meigen, 1822
- Genus Stygides Latreille in Cuvier, 1829 accepted as Lomatia Meigen, 1822
- Genus Subbombylius
- Genus Sybbombylius Kapoor in Kapoor, Agarwal & Grewal, 1978
- Genus Symballa Enderlein, 1926
- Genus Synthesia Bezzi, 1921
- Genus Syrphoides Evenhuis, 1983
- Genus Systoechus Loew, 1855
- Genus Systrophus Latreille, 1825 accepted as Systropus Wiedemann, 1820
- Genus Systropus Wiedemann, 1820
- Genus Taiwanon Evenhuis, 2018
- Genus Tamanduamyia Rafael & Limeira-de-Oliveira, 2014
- Genus Tamerlania Paramonov, 1931
- Genus Thevenemyia Bigot, 1876 accepted as Thevenetimyia Bigot, 1892
- Genus Thevenetimyia Bigot, 1892
- Genus Thlipogaster
- Genus Thlipsogaster Coquillett, 1894 accepted as Bombylius Linnaeus, 1758
- Genus Thlipsogaster Rondani, 1863 accepted as Amictus Wiedemann, 1817
- Genus Thlipsomyza Wiedemann, 1820 accepted as Amictus Wiedemann, 1817
- Genus Thlypsigaster Marschall, 1873 accepted as Thlipsogaster Rondani, 1863
- Genus Thlypsogaster Rondani, 1864
- Genus Thlypsogaster Rondani, 1863 accepted as Thlipsogaster Rondani, 1863
- Genus Thlypsomyza Rondani, 1863 accepted as Thlipsomyza Wiedemann, 1820
- Genus Thraxan Yeates & Lambkin, 1998
- Genus Thyridanthrax Osten-Sacken, 1886
- Genus Tillyardomyia Tonnoir, 1927
- Genus Timiomyia Evenhuis, 1978
- Genus Tithonomyia Evenhuis, 1984 †
- Genus Tlipsomyza Bigot, 1858 accepted as Thlipsomyza Wiedemann, 1820
- Genus Tmemophlebia Evenhuis, 1986
- Genus Tomomyza Wiedemann, 1820
- Genus Tornotes Gistl, 1848 accepted as Ploas Latreille, 1804
- Genus Tovlinius Zaitsev, 1979
- Genus Toxophora Meigen, 1803
- Genus Toxopora Rondani, 1856 accepted as Toxophora Meigen, 1803
- Genus Triodites Osten-Sacken, 1877
- Genus Triplasius Loew, 1855
- Genus Triploechus Edwards, 1937
- Genus Truquia Rondani, 1863 accepted as Amictus Wiedemann, 1817
- Genus Tumulus Hull, 1973 † accepted as Veribubo Evenhuis, 1978
- Genus Turkmeniella
- Genus Ulosometa Hull, 1973
- Genus Unduloptomya Evenhuis, 1978 †
- Genus Usia Latreille, 1802
- Genus Velocia Coquillett, 1886
- Genus Veribubo Evenhuis, 1978
- Genus Verrallites Cockerell, 1913
- Genus Villa Lioy, 1864
- Genus Villoestrus Paramonow, 1931
- Genus Walkeromyia Paramonov, 1934
- Genus Wurda Lambkin & Yeates in Lambkin, Yeates & Greathead, 2003
- Genus Xenoprosopa Hesse, 1956
- Genus Xenox Evenhuis, 1985
- Genus Xerachistus Greathead, 1995
- Genus Xeramoeba Hesse, 1956
- Genus Xystropus Agassiz, 1846 accepted as Systropus Wiedemann, 1820
- Genus Ylasoia Speiser, 1920
- Genus Zaclava Hull, 1973
- Genus Zephyrectes Evenhuis, 1978
- Genus Zinnomyia Hesse in Hanström, Brinck & Rudebeck, 1955
- Genus Zygodipla Bezzi, 1926
- Genus Zyxmyia Bowden, 1960
- Family Borboridae Newman, 1834 accepted as Sphaeroceridae Macquart, 1835
- Family Brachystomatidae Melander, 1908
- Family Braulidae Egger, 1853
- Family Calliphoridae Brauer & Bergenstamm, 1889
- Family Camillidae Frey, 1921
- Family Campichoetidae Griffiths, 1972
- Family Canaceidae accepted as Canacidae Jones, 1906
- Family Canacidae Jones, 1906
- Family Canthyloscelidae Shannon, 1927
- Family Carnidae Newman, 1834
- Family Cascopleciidae Poinar, 2010 †
- Family Cecidomyiidae Newman, 1835
- Family Celyphidae Bigot, 1852
- Family Ceratopogonidae Newman, 1834
- Family Chamaemyiidae Hendel, 1910
- Family Chaoboridae Edwards, 1932
- Family Chimeromyiidae Grimaldi & Cumming, 2009 †
- Family Chironomidae Macquart, 1838
- Family Chironomoidea incertae sedis
- Family Chloropidae Rondani, 1856
- Family Christelenkidae Roháček, 2023 †
- Family Chyromyidae Hendel, 1916
- Family Circumphallidae Papp, 2011
- Family Clusiidae Hendel, 1916
- Family Clusiomitidae Roháček & Hoffeins, 2021 †
- Family Coelopidae Hendel, 1910
- Family Coenomyiidae
- Family Conopidae Latreille, 1802
- Family Cordyluridae
- Family Corethrellidae Edwards, 1932
- Family Cratomyiidae Mazzarolo & Amorim, 2000 † accepted as Zhangsolvidae Nagatomi & Yang, 1998 †
- Family Crosaphididae Kovalev, 1983 †
- Family Cryptochaetidae accepted as Cryptochetidae Brues & Melander, 1932
- Family Cryptochetidae Brues & Melander, 1932
- Family Ctenostylidae Bigot, 1882
- Family Culicidae Meigen, 1818
- Family Curtonotidae Enderlein, 1914
- Family Cuterebridae Brauer, 1887
- Family Cylindrotomidae Schiner, 1863
- Family Cypselosomatidae Hendel, 1931
- Family Deuterophlebiidae Edwards, 1922
- Family Dexiidae Sharp, 1887
- Family Deximorpha Brauer & Bergenstamm, 1889 accepted as Tachinidae Bigot, 1853
- Family Diadocidiidae Winnertz, 1863
- Family Diastatidae Hendel, 1917
- Family Dictyodipteridae Rohdendorf, 1961 †
- Family Diopsidae Billberg, 1820
- Family Diplopolyneuridae Rohdendorf, 1962 † accepted as Pediciidae Osten Sacken, 1860
- Family Diptera (awaiting allocation)
- Family Ditomyiidae Kylin, 1919
- Family Dixamimidae † accepted as Chaoboridae Edwards, 1932
- Family Dixidae Schiffner, 1868
- Family Dolichopodidae Latreille, 1809
- Family Drosophilidae Rondani, 1856
- Family Dryomyzidae Schiner, 1864
- Family Dyspolyneuridae Rohdendorf, 1961 †
- Family Elliidae Krzeminska, Blagoderov & Krezmiñski, 1993 †
- Family Empididae Latreille, 1804
- Family Eoditomyiidae Ansorge, 1996 †
- Family Eolimnobiidae Rohdendorf, 1962 †
- Family Eomyiidae Rohdendorf, 1962 †
- Family Eophlebomyiidae Cockerell, 1925 †
- Family Eopleciidae Rohdendorf, 1946 †
- Family Eopolyneuridae Rohdendorf, 1962 †
- Family Eoptychopteridae Handlirsch, 1906 † accepted as Ptychopteridae Osten Sacken, 1862
- Family Eostratiomyiidae Rohdendorf, 1962 †
- Family Ephydridae Zetterstedt, 1837
- Family Eremochaetidae Ussatchov, 1968 †
- Family Eremoneura (awaiting allocation)
- Family Eucaudomyiidae Grimaldi, 2016 †
- Family Eurychoromyiidae endel, 1910 accepted as Lauxaniidae Macquart, 1835
- Family Evocoidae Yeates, Irwin & Wiegmann, 2006
- Family Fanniidae Schnabl & Dziedzicki, 1911
- Family Fergusoninidae Hennig, 1958
- Family Fungivoritidae Rohdendorf, 1946 †
- Family Galliidae Lukashevich & Mostovski, 2023 †
- Family Gasterophilidae Girschner, 1896
- Family Geomyzidae Fallén, 1823 accepted as Opomyzidae Fallén, 1820
- Family Glossinidae Theobald, 1903
- Family Gobryidae McAlpine, 1997
- Family Gracilitipulidae Hong & Wang, 1990 † accepted as Pediciidae Osten Sacken, 1860
- Family Grauvogeliidae Krzemiński, Krzemińska & Papier, 1994 †
- Family Helcomyzidae Hendel, 1924
- Family Heleomyzidae Westwood, 1840
- Family Helomyzidae accepted as Heleomyzidae Westwood, 1840
- Family Helosciomyzidae Steyskal, 1965
- Family Hennigmatidae Shcherbakov, 1995 †
- Family Hesperinidae Walker, 1848
- Family Heterocheilidae McAlpine, 1991
- Family Heteropezidae Schiner, 1868
- Family Hilarimorphidae Williston, 1896
- Family Hippoboscidae Samouelle, 1819
- Family Hippoboscoidea incertae sedis †
- Family Hoffeinsmyiidae Michelsen, 2009 †
- Family Homalocnemiidae Collin, 1928
- Family Huttoninidae Steyskal, 1965
- Family Hybotidae Meigen, 1820
- Family Hyperoscelididae Hardy & Nagatomi, 1960
- Family Hyperpolyneuridae Rohdendorf, 1961 †
- Family Hypodermatidae Rondani, 1856
- Family Inbiomyiidae Buck, 2006
- Family Ironomyiidae McAlpine & Martin, 1966
- Family Iteaphilidae Wahlberg & Johanson, 2018
- Family Kaluginamyiidae Lukashevich, Pepinelli & Currie, 2020 †
- Family Keroplatidae Rondani, 1856
- Family Kovalevisargidae Mostovski, 1997 †
- Family Lauxaniidae Macquart, 1835
- Family Leptidae Burmeister, 1837 accepted as Rhagionidae Latreille, 1802
- Family Lestremiidae accepted as Cecidomyiidae Newman, 1835
- Family Limnorhyphidae Hong, 1983 † accepted as Perissommatidae Colless, 1962
- Family Limoniidae Speiser, 1909
- Family Lonchaeidae Loew, 1861
- Family Lonchopteridae Macquart, 1835
- Family Luanpingitidae Zhang, 1986 †
- Family Lygistorrhinidae Edwards, 1925
- Family Macroceridae Rondani, 1856
- Family Marginidae McAlpine, 1991
- Family Megamerinidae Hendel, 1913
- Family Mesophantasmatidae Rohdendorf, 1962 †
- Family Mesosciophilidae Rohdendorf, 1946 †
- Family Mesothaumaleidae † accepted as Thaumaleidae Bezzi, 1913
- Family Micropezidae Blanchard, 1840
- Family Microphoridae Collin, 1960 accepted as Dolichopodidae Latreille, 1809
- Family Milichiidae Schiner, 1862
- Family Mormotomyiidae Austen, 1936
- Family Muscidae Latreille, 1802
- Family Musidoromimidae Rohdendorf, 1962 †
- Family Mycetobiidae accepted as Anisopodidae Knab, 1912
- Family Mycetophilidae Newman, 1834
- Family Mydaidae accepted as Mydidae Latreille, 1809
- Family Mydidae Latreille, 1809
- Family Mystacinobiidae Holloway, 1976
- Family Mysteromyiidae Grimaldi, 2016 †
- Family Mythicomyiidae Melander, 1902
- Family Nadipteridae Lukashevich, 1995 †
- Family Nannodastiidae Papp, 1980
- Family Natalimyzidae Barraclough & McAlpine, 2006
- Family Nemestrinidae Griffith & Pidgeon, 1832
- Family Neminidae McAlpine, 1983
- Family Neriidae Westwood, 1840
- Family Neurochaetidae McAlpine, 1978
- Family Nothybidae Frey, 1927
- Family Nycteribiidae Samouelle, 1819
- Family Nymphomyiidae Tokunaga, 1932
- Family Ocoidae accepted as Evocoidae Yeates, Irwin & Wiegmann, 2006
- Family Odiniidae Hendel, 1920
- Family Oestridae Leach, 1815
- Family Oligophryneidae Rohdendorf, 1962 † accepted as Anisopodidae Knab, 1912
- Family Oligophrynidae Rohdendorf, 1962 † accepted as Anisopodidae Knab, 1912
- Family Opetiidae Rondani, 1856
- Family Opomyzidae Fallén, 1820
- Family Oreoleptidae Zloty, Sinclair & Pritchard, 2005
- Family Orientisargidae Zhang, 2012 †
- Family Ortalidae Fallén, 1810 accepted as Ulidiidae Macquart, 1835
- Family Otitidae Aldrich, 1932 accepted as Ulidiidae Macquart, 1835
- Family Pachyneuridae Schiner, 1864
- Family Palaeolimnobiidae Zhang, Zhang, Liu & Shangguan, 1986 † accepted as Pediciidae Osten Sacken, 1860
- Family Palaeophoridae Rohdendorf, 1951 †
- Family Palaeopleciidae Rohdendorf, 1962 †
- Family Palaeostratiomyiidae Rohdendorf, 1938 † accepted as Rhagionidae Latreille, 1802
- Family Pallopteridae Loew, 1862
- Family Panthophthalmidae accepted as Pantophthalmidae Bigot, 1882
- Family Pantophthalmidae Bigot, 1882
- Family Parapleciidae Hong, 1983 † accepted as Paraxymyiidae Rohdendorf, 1946 †
- Family Paratendipedidae Hong & Wang, 1990 † accepted as Serendipidae Evenhuis, 1994 †
- Family Paraxymyiidae Rohdendorf, 1946 †
- Family Pediciidae Osten Sacken, 1860
- Family Pelecorhynchidae Enderlein, 1922
- Family Periscelidae accepted as Periscelididae Oldenberg, 1914
- Family Periscelididae Oldenberg, 1914
- Family Perissomatidae Colless, 1962 accepted as Perissommatidae Colless, 1962
- Family Perissommatidae Colless, 1962
- Family Phaeomyiidae Verbeke, 1950
- Family Phasiidae Robineau-Desvoidy, 1830 accepted as Tabanidae Latreille, 1802
- Family Phlebotomidae accepted as Psychodidae Newman, 1834
- Family Phoridae Curtis, 1833
- Family Phragmoligoneuridae Rohdendorf, 1962 † accepted as Protopleciidae Rohdendorf, 1946 †
- Family Piophilidae Macquart, 1835
- Family Pipunculidae Walker, 1834
- Family Platypezidae Fallén, 1815
- Family Platystomatidae Schiner, 1862
- Family Pleciidae Duda, 1930 accepted as Bibionidae Fleming, 1821
- Family Pleciodictyidae Rohdendorf, 1962 † accepted as Protopleciidae Rohdendorf, 1946 †
- Family Pleciofungivoridae Rohdendorf, 1946 †
- Family Pleciomimidae Rohdendorf, 1946 † accepted as Antefungivoridae Rohdendorf, 1938 †
- Family Polleniidae Brauer & Bergenstamm, 1889
- Family Procramptonomyiidae Kovalev, 1985 †
- Family Proneottiophilidae Hennig, 1969 †
- Family Protapioceridae Ren, 1998 †
- Family Protempididae Ussatchov, 1968 †
- Family Protendipedidae Rohdendorf, 1962 †
- Family Protobibionidae Rohdendorf, 1946 †
- Family Protobrachyceridae Rohdendorf, 1962 †
- Family Protobrachycerontidae † accepted as Protobrachyceridae Rohdendorf, 1962 †
- Family Protoligoneuridae Rohdendorf, 1962 † accepted as Protopleciidae Rohdendorf, 1946 †
- Family Protomphralidae Rohdendorf, 1962 †
- Family Protopleciidae Rohdendorf, 1946 †
- Family Protorhyphidae Handlirsch, 1906 †
- Family Protoscatopsidae Rohdendorf, 1946 †
- Family Pseudopomyzidae McAlpine, 1966
- Family Psilidae Macquart, 1835
- Family Psychodidae Newman, 1834
- Family Psychodoidea incertae sedis
- Family Ptychopteridae Osten Sacken, 1862
- Family Pyrgotidae Schiner, 1868
- Family Rangomaramidae Jaschhof & Didham, 2002
- Family Rhaetomyiidae Rohdendorf, 1962 †
- Family Rhagionemestriidae Ussatchov, 1968 †
- Family Rhagionempididae Rohdendorf, 1951 †
- Family Rhagionidae Latreille, 1802
- Family Rhiniidae Brauer & Bergenstamm, 1889
- Family Rhinophoridae Robineau-Desvoidy, 1863
- Family Rhinotoridae Williston, 1896 accepted as Heleomyzidae Westwood, 1840
- Family Rhopalomeridae accepted as Ropalomeridae Schiner, 1868
- Family Rhyphidae Newman, 1834 accepted as Anisopodidae Knab, 1912
- Family Richardidae accepted as Richardiidae Loew, 1868
- Family Richardiidae Loew, 1868
- Family Ropalomeridae Schiner, 1868
- Family Sapromyzidae accepted as Lauxaniidae Macquart, 1835
- Family Sarcophagidae Macquart, 1834
- Family Scathophagidae Cresson, 1918
- Family Scatophagidae Robineau-Desvoidy, 1830 accepted as Scathophagidae Cresson, 1918
- Family Scatopsidae Newman, 1834
- Family Scenopinidae Fallén, 1817
- Family Sciadoceridae Schmitz, 1929
- Family Sciaridae Billberg, 1820
- Family Sciaroidea incertae sedis
- Family Sciomyzidae Fallén, 1820
- Family Sepsidae Walker, 1833
- Family Serendipidae Evenhuis, 1994 †
- Family Siberhyphidae †
- Family Simuliidae Newman, 1834
- Family Sinotendipedidae † accepted as Anisopodidae Knab, 1912
- Family Somatiidae Hendel, 1935
- Family Spaniidae Rondani, 1856 accepted as Rhagionidae Latreille, 1802
- Family Sphaeoroceridae accepted as Sphaeroceridae Macquart, 1835
- Family Sphaeroceridae Macquart, 1835
- Family Stenomicridae Papp, 1984 accepted as Periscelididae Oldenberg, 1914
- Family Stratiomyidae Latreille, 1802
- Family Streblidae Kolenati, 1863
- Family Stronglyophthalmyiidae accepted as Strongylophthalmyiidae Hendel, 1917
- Family Strongylophthalmyiidae Hendel, 1917
- Family Synneuridae Enderlein, 1936 accepted as Canthyloscelidae Shannon, 1927
- Family Syringogastridae Prado, 1969
- Family Syrphidae Latreille, 1802
- Family Tabanidae Latreille, 1802
- Family Tachinidae Bigot, 1853
- Family Tachiniscidae Kertész, 1903
- Family Tanyderidae Osten Sacken, 1880
- Family Tanyderophryneidae Rohdendorf, 1962 † accepted as Chaoboridae Edwards, 1932
- Family Tanypezidae Rondani, 1856
- Family Tephritidae Newman, 1834
- Family Teratomyzidae Colless & McAlpine, 1970
- Family Tethepomyiidae Grimaldi & Arillo, 2008 †
- Family Tethinidae accepted as Canacidae Jones, 1906
- Family Thaumaleidae Bezzi, 1913
- Family Therevidae Newman, 1834
- Family Tillyardipteridae Lukashevich & Shcherbakov, 1999 †
- Family Tipulidae Leach, 1815
- Family Tipulodictyidae Rohdendorf, 1962 †
- Family Tipulopleciidae Rohdendorf, 1962 †
- Family Trichoceridae Rondani, 1841
- Family Trixoscelidae Hendel, 1916 accepted as Heleomyzidae Westwood, 1840
- Family Trypetidae Loew, 1861 accepted as Tephritidae Newman, 1834
- Family Ulidiidae Macquart, 1835
- Family Ulurumyiidae Michelsen & Pape, 2017
- Family Uranorhagionidae Zhang, Yang & Ren, 2010 †
- Family Valeseguyidae Amorim & Grimaldi, 2006
- Family Vermileonidae Williston, 1886
- Family Vladipteridae Shcherbakov, 1995 †
- Family Vosilidae Vršanský & Ren in Vršanský, Ren & Shih, 2010 †
- Family Xenasteiidae Hardy, 1980
- Family Xylomidae accepted as Xylomyidae Verrall, 1901
- Family Xylomyidae Verrall, 1901
- Family Xylophagidae Fallén, 1810
- Family Yantaromyiidae Barták, 2020 †
- Family Zhangobiidae Evenhuis, 1994 † accepted as Pediciidae Osten Sacken, 1860
- Family Zhangsolvidae Nagatomi & Yang, 1998 †
- Genus Apystomimus Mostovski, 1999 †
- Genus Aschizomyia Grimaldi, 2018 †
- Order Embiodea
- Order Endopterygota incertae sedis
- Order Eoblattida †
- Order Ephemeroptera
- Order Eugeroptera †
- Order Geraroptera †
- Order Geroptera †
- Order Glosselytrodea †
- Order Grylloblattodea
- Order Hemiptera
- Order Homoptera accepted as Hemiptera
- Order Hymenoptera
- Order Hypoperlida †
- Order Insecta (awaiting allocation)
- Order Insecta incertae sedis
- Order Isoptera accepted as Blattodea
- Order Kukaloptera †
- Order Lepidoptera
- Order Lophioneurida †
- Order Mallophaga
- Order Mantodea
- Order Mantophasmatodea
- Order Mecoptera
- Order Mecopterida incertae sedis
- Order Megaloptera
- Order Megasecoptera †
- Order Miomoptera †
- Order Neoptera incertae sedis
- Order Neuroptera
- Order Notoptera
- Order Odonata
- Order Odonatoptera (awaiting allocation) †
- Order Odonatoptera incertae sedis
- Order Orthoptera
- Order Orthopterida incertae sedis
- Order Palaeodictyoptera †
- Order Palaeoptera incertae sedis
- Order Panorthoptera incertae sedis
- Order Paoliida †
- Order Paraneoptera (awaiting allocation)
- Order Perielytrodea †
- Order Permopsocida †
- Order Permotrichoptera †
- Order Phasmatodea
- Order Phasmida accepted as Phasmatodea
- Order Phasmoptera accepted as Phasmatodea
- Order Phthiraptera
- Order Plecoptera
- Order Polyneoptera incertae sedis
- Order Protelytroptera †
- Order Protoblattoidea †
- Order Protocoleoptera † accepted as Protelytroptera †
- Order Protodonata †
- Order Protoelytroptera †
- Order Protohemiptera †
- Order Protohymenoptera †
- Order Protorthoptera †
- Order Protozygoptera †
- Order Psocoptera
- Order Raphidioptera
- Order Siphonaptera
- Order Skleroptera †
- Order Strepsiptera
- Order Tarachoptera †
- Order Thripida incertae sedis
- Order Thysanoptera
- Order Thysanura accepted as Insecta
- Order Titanoptera †
- Order Trichoptera
- Order Zoraptera
- Order Zygentoma
- Genus Bifarius Tasch, 1961 †
- Genus Cyclocephalus Tasch, 1961 †
- Genus Hypatocephala Tasch, 1961 †
- Genus Permolimulinella Tasch, 1963 †
- Genus Strongylocephalus Tasch, 1961 †
- Class Protura
- Subphylum Myriapoda
- Subphylum Trilobitomorpha †
- Class Arachnomorpha (awaiting allocation)
- Class Arthropoda (awaiting allocation)
- Class Artiopoda †
- Class Crustaceomorpha incertae sedis †
- Class Dinocaridida †
- Class Labrophora incertae sedis
- Class Lamellipedia incertae sedis
- Class Megacheira †
- Class Thylacocephala †
- Class Xenocarida incertae sedis
- Order Canadaspidida † accepted as Hymenocarina †
- Order Cheloniellida †
- Order Emeraldellida † accepted as Arthropoda
- Order Fuxianhuiida †
- Order Habeliida †
- Order Hymenocarina †
- Order Isoxyida †
- Order Pectocaridida † accepted as Hymenocarina †
- Order Waptiida † accepted as Hymenocarina †
- Family Bomakellidae Fedonkin, 1987 †
- Family Burgessiidae Walcott, 1912 †
- Family Emeraldellidae Raymond, 1935 †
- Family Guangweicarididae Luo, Fu, Hu, Li, Hou, You, Pang & Liu, 2007 †
- Genus Aaveqaspis Peel & Stein, 2009 †
- Genus Acheronauta Pulsipher, Anderson, Wright, Kluessendorf, Mikulic & Schiffbauer, 2022 †
- Genus Arthroaspis Stein, Budd, Peel & Harper, 2013 †
- Genus Astutuscaris Jiao & Du, 2022 †
- Genus Bennettarthra Fayers, Trewin & Morrissey, 2010 †
- Genus Bushizheia O'Flynn & Liu in O'Flynn et al., 2020 †
- Genus Chuandianella Hou & Bergström, 1991 †
- Genus Dioxycaris Gürich, 1929 †
- Genus Dongshanocaris Hou, Bergström, Wang, Feng & Chen, 1999 †
- Genus Duraznovis Lara, Cariglino & Zavattieri in Lara et al., 2019 †
- Genus Duraznovs Lara, Cariglino & Zavattieri in Lara et al., 2019 † accepted as Duraznovis Lara, Cariglino & Zavattieri in Lara et al., 2019 †
- Genus Esmeraldacaris Waggoner, 2003 †
- Genus Fibulacaris Izquierdo-López & Caron, 2019 †
- Genus Kiisortoqia Stein, 2010 †
- Genus Kylinxia Zeng, Zhao, Niu, Zhu & Huang, 2020 †
- Genus Lihuacaris Jiao, Pates, Lerosey-Aubril, Ortega-Hernández, Yang, Lan & Zhang, 2021 †
- Genus Norikeya Tanaka, Siveter & Williams, 2013 †
- Genus Nothozoe Barrande, 1872 †
- Genus Nothozoe Barrande in Bigsby, 1868 † accepted as Nothozoe Barrande, 1872 †
- Genus Notozoe Zittel, 1885 † accepted as Nothozoe Barrande, 1872 †
- Genus Pakucaris Izquierdo-López & Caron, 2021 †
- Genus Pambdelurion Budd, 1998 †
- Genus Parvibellus Liu, Dunlop, Steiner & Shu, 2022 †
- Genus Pleuralata McCoy, Strother & Briggs, 2012 †
- Genus Pseudoangustidontus Van Roy & Tetlie, 2006 †
- Genus Pteroessa Hudson & Gosse, 1886
- Genus Sidneyia Walcott, 1911 †
- Genus Siriocaris Lagebro, Stein & Peel, 2009 †
- Genus Vermontcaris Pari, Briggs & Gaines, 2022 †
- Phylum Brachiopoda
- Phylum Bryozoa
- Phylum Cephalorhyncha incertae sedis
- Phylum Chaetognatha
- Phylum Chitinozoa †
- Phylum Chordata
- Phylum Cnidaria
- Phylum Ctenophora
- Phylum Cycliophora
- Phylum Cycloneuralia incertae sedis
- Phylum Echinodermata
- Phylum Entoprocta
- Phylum Gastrotricha
- Phylum Gnathostomulida
- Phylum Hemichordata
- Phylum Hyolitha †
- Phylum Kinorhyncha
- Phylum Lobopoda †
- Phylum Loricifera
- Phylum Micrognathozoa
- Phylum Mollusca
- Phylum Monoblastozoa accepted as Animalia incertae sedis
- Phylum Nematoda
- Phylum Nematomorpha
- Phylum Nemertea
- Phylum Onychophora
- Phylum Orthonectida
- Phylum Phoronida
- Phylum Placozoa
- Phylum Platyhelminthes
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera
- Phylum Priapula accepted as Priapulida
- Phylum Priapulida
- Phylum Problematica † accepted as Animalia incertae sedis
- Phylum Rhombozoa
- Phylum Rotifera
- Phylum Scalidophora incertae sedis
- Phylum Sipuncula
- Phylum Tardigrada
- Phylum Trace fossils †
- Phylum Vendobionta †
- Phylum Vestimentifera accepted as Siboglinidae Caullery, 1914
- Phylum Vetulicolia †
- Phylum Vinctiplicata incertae sedis †
- Phylum Xenacoelomorpha
- Genus Trilobocaris Pribyl, 1953 †
- Kingdom Archaea
- Kingdom Bacteria
- Kingdom Chromista
- Kingdom Fungi
- Kingdom Plantae
- Kingdom Protista accepted as Protozoa
- Kingdom Protozoa
- Kingdom Viruses
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