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
- 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
- Genus Abatetia Miller, 1945
- Genus Abbemyia Bickel, 1994
- Genus Acanthipodus Kertész, 1909 accepted as Achantipodus Rondani, 1856
- Genus Acanthipodus Bigot, 1890 accepted as Achantipodus Rondani, 1856
- Genus Achalcus Loew, 1857
- Genus Achanthipodus Rondani, 1856 accepted as Achantipodus Rondani, 1856
- Genus Achantipodus Rondani, 1856 accepted as Poecilobothrus Mik, 1878
- Genus Achradocera Becker, 1922
- Genus Acrodocera Lamb, 1933 accepted as Achradocera Becker, 1922
- Genus Acropsilus Mik, 1878
- Genus Acymatopus Takagi, 1965
- Genus Adachia Evenhuis, 2005
- Genus Aedipsilopus Bigot, 1859 accepted as Oedipsilopus Bigot, 1859
- Genus Afrohercostomus Grichanov, 2010
- Genus Afroparaclius Grichanov, 2006
- Genus Afropelastoneurus Grichanov, 2006
- Genus Agastoplax Enderlein, 1936 accepted as Sciapus Zeller, 1842
- Genus Agonosoma Guérin-Méneville, 1838 accepted as Chrysosoma Guérin, 1831
- Genus Ahercostomus Yang & Saigusa, 2001
- Genus Ahypophyllus Zhang & Yang, 2005
- Genus Aldabromyia Meuffels & Grootaert, 2007 accepted as Condylostylus Bigot, 1859
- Genus Alishania Bickel, 2004 accepted as Alishanimyia Bickel, 2007
- Genus Alishanimyia Bickel, 2007
- Genus Alloeoneurus Mik, 1878 accepted as Orthoceratium Schrank, 1803
- Genus Allohercostomus Yang, Saigusa & Masunaga, 2001
- Genus Amblypsilopus Bigot, 1889
- Genus Amesorhaga Bickel, 1994
- Genus Ammobates Stannius, 1831 accepted as Tachytrechus Haliday in Walker, 1851
- Genus Amphithalassius Ulrich, 1991
- Genus Anahydrophorus Becker, 1917
- Genus Anasyntormon Parent, 1932 accepted as Anasyntormon Dyte, 1975
- Genus Anasyntormon Dyte, 1975
- Genus Anchineura Thomson, 1869 accepted as Asyndetus Loew, 1869
- Genus Anepsiomyia Bezzi, 1902
- Genus Anepsius Loew, 1857 accepted as Anepsiomyia Bezzi, 1902
- Genus Angiopus Meuffels & Grootaert, 1996 accepted as Chrysotus Meigen, 1824
- Genus Anglearia Carlier, 1835 accepted as Rhaphium Meigen, 1803
- Genus Anomalopyga Oldenberg, 1916 accepted as Peloropeodes Wheeler, 1890
- Genus Anoplomerus Rondani, 1856 accepted as Liancalus Loew, 1857
- Genus Anoplopus Rondani, 1857 accepted as Liancalus Loew, 1857
- Genus Anorthus Loew, 1850 accepted as Medetera Fischer von Waldheim, 1819
- Genus Antyx Meuffels & Grootaert, 1991
- Genus Apelastoneurus Grichanov, 2006
- Genus Aphalacrosoma Zhang & Yang, 2005
- Genus Aphantotimus Wheeler, 1890 accepted as Thrypticus Gerstaecker, 1864
- Genus Aphasmaphleps Grichanov, 2010
- Genus Aphrosylopsis Lamb, 1909
- Genus Aphrosylus Haliday in Walker, 1851
- Genus Aphrozeta Perris, 1847 accepted as Hydrophorus Fallén, 1823
- Genus Apterachalcus Bickel, 1992
- Genus Aptorthus Aldrich, 1893 accepted as Mesorhaga Schiner, 1868
- Genus Arabshamshevia Naglis, 2014 accepted as Shamshevia Grichanov, 2012
- Genus Arachnomyia White, 1916
- Genus Archichrysotus Negrobov, 1978 †
- Genus Arciellia Evenhuis, 2005
- Genus Argentinia Parent, 1931
- Genus Argyra Macquart, 1834
- Genus Argyrochlamys Lamb, 1922
- Genus Arpactodolichopodites Hong, 2002 †
- Genus Asioligochaetus Negrobov, 1966
- Genus Asphyrotarsus Oldenberg, 1916 accepted as Diostracus Loew, 1861
- Genus Asyndetus Loew, 1869
- Genus Atlatlia Bickel, 1986
- Genus Australachalcus Pollet, 2005
- Genus Australiola Parent, 1932 accepted as Amblypsilopus Bigot, 1889
- Genus Austrosciapus Bickel, 1994
- Genus Avenaphora Grimaldi & Cumming, 1999 †
- Genus Babindella Bickel, 1987
- Genus Balfouria Parent, 1933 accepted as Falbouria Dyte, 1980
- Genus Bathycranium Strobl, 1892 accepted as Syntormon Loew, 1857
- Genus Bicercites Hong, 2002 †
- Genus Bickelia Grichanov, 1996
- Genus Bickeliolus Grichanov, 1996
- Genus Bickelomyia Naglis, 2002
- Genus Binatangia Bickel & Martin, 2020
- Genus Brachymyia Parent, 1933 accepted as Brevimyia Miller, 1945
- Genus Brachypus Meigen, 1824 accepted as Diaphorus Meigen, 1824
- Genus Brevimyia Miller, 1945
- Genus Cachonopus Vaillant, 1953
- Genus Calyxochaetus Bigot, 1889
- Genus Cameroonomiya Grichanov, 2024
- Genus Campsicnemoides Curran, 1927 accepted as Acropsilus Mik, 1878
- Genus Campsicnemus Haliday in Walker, 1851
- Genus Camptoneura Parent, 1930 accepted as Argyrochlamys Lamb, 1922
- Genus Camptosceles Haliday, 1832 accepted as Campsicnemus Haliday in Walker, 1851
- Genus Camptoscelus Kertész, 1909 accepted as Camptosceles Haliday, 1832
- Genus Cemocarus Meuffels & Grootaert, 1984
- Genus Ceratopos Vaillant, 1952 accepted as Syntormon Loew, 1857
- Genus Chaetogonopteron de Meijere, 1914
- Genus Chaetosphyria Enderlein, 1936 accepted as Poecilobothrus Mik, 1878
- Genus Cheirocerus Parent, 1930 accepted as Cheiromyia Dyte, 1980
- Genus Cheiromyia Dyte, 1980
- Genus Chimerothalassius Shamshev & Grootaert, 2003
- Genus Chrysosoma Guérin, 1831
- Genus Chrysotimus Loew, 1857
- Genus Chrysotus Meigen, 1824
- Genus Clinocampsicnemis accepted as Clinocampsicnemus Vaillant & Brunhes, 1980
- Genus Clinocampsicnemus Vaillant & Brunhes, 1980 accepted as Achalcus Loew, 1857
- Genus Coelinium Parent, 1939 accepted as Dactylomyia Aldrich, 1894
- Genus Coeloglutus Aldrich, 1896
- Genus Collinellula Aldrich, 1932 accepted as Enlinia Aldrich, 1933
- Genus Colobocerus Parent, 1933
- Genus Columnocorna Hong, 2002 †
- Genus Conchopus Takagi, 1965 accepted as Thambemyia Oldroyd, 1956
- Genus Condilotylus Kertész, 1909 accepted as Condylostylus Bigot, 1859
- Genus Condylostylus Bigot, 1859
- Genus Convexivertex Hong, 2002 †
- Genus Coracocephalus Mik, 1892
- Genus Corindia Bickel, 1986
- Genus Craterophorus Lamb, 1922 accepted as Craterophorus Lamb, 1921
- Genus Craterophorus Lamb, 1921
- Genus Cremmus Wei, 2006
- Genus Cretomicrophorus Negrobov, 1978 †
- Genus Cryptophleps Lichtwardt, 1898
- Genus Cryptopygiella Robinson, 1975
- Genus Curvus Kaddumi, 2005 †
- Genus Cymatopus Kertész, 1901
- Genus Cyrtosymbolia Parent, 1931 accepted as Symbolia Becker, 1922
- Genus Cyrtura Parent, 1938 accepted as Cyrturella Collin, 1952
- Genus Cyrturella Collin, 1952
- Genus Dactylodiscia Enderlein, 1936 accepted as Dactylodiscia Anonymous, 1937
- Genus Dactylodiscia Anonymous, 1937 accepted as Sciapus Zeller, 1842
- Genus Dactylomyia Aldrich, 1894
- Genus Dactylonotus Parent, 1934
- Genus Dasyarthrus Mik, 1869 accepted as Sybistroma Meigen, 1824
- Genus Dasyma Gistl, 1848 accepted as Chrysocosmius Bezzi, 1907
- Genus Dasypsilopus Bigot, 1859 accepted as Condylostylus Bigot, 1859
- Genus Demetera Grichanov, 2011
- Genus Diaphora Macquart, 1834 accepted as Diaphorus Meigen, 1824
- Genus Diaphorus Meigen, 1824
- Genus Diostracus Loew, 1861
- Genus Discopygiella Robinson, 1965
- Genus Dolichophorus Lichtwardt, 1902
- Genus Dolichopus Latreille, 1796
- Genus Dolicopus Rondani, 1856 accepted as Dolichopus Latreille, 1796
- Genus Dolychopus Stephens, 1829 accepted as Dolichopus Latreille, 1796
- Genus Dominicomyia Robinson, 1975
- Genus Drepanomyia Wheeler, 1898 accepted as Hypocharassus Mik, 1879
- Genus Drymonoeca Becker, 1907 accepted as Syntormon Loew, 1857
- Genus Dubius Wei, 2012
- Genus Dytomyia Bickel, 1994
- Genus Ectomus Mik, 1878 accepted as Campsicnemus Haliday in Walker, 1851
- Genus Electrochoreutes Badano et al., 2023 †
- Genus Electrophorella Cumming & Brooks, 2002 †
- Genus Elmoia Evenhuis, 2005
- Genus Elongomedetera Hollis, 1964 accepted as Medetera Fischer von Waldheim, 1819
- Genus Emiratomyia Naglis, 2014
- Genus Emperoptera Grimshaw, 1902 accepted as Campsicnemus Haliday in Walker, 1851
- Genus Enlinia Aldrich, 1933
- Genus Eodolichopodites Hong, 2002 †
- Genus Eoeuryopterites Hong, 2002 †
- Genus Eothalassius Shamshev & Grootaert, 2005
- Genus Epithalassius Mik, 1891
- Genus Erebomyia Runyon & Hurley, 2004
- Genus Ethiosciapus Bickel, 1994
- Genus Ethiromyia Brooks & Wheeler, 2005
- Genus Eucoryphus Mik, 1869
- Genus Eucoryphus Mik, 1868 accepted as Eucoryphus Mik, 1869
- Genus Eudasypus Bigot, 1889 accepted as Chrysosoma Guérin, 1831
- Genus Eudolichopus Frey, 1915 accepted as Dolichopus Latreille, 1796
- Genus Eurostomerus Bigot, 1859 accepted as Condylostylus Bigot, 1859
- Genus Eurynogaster Van Duzee, 1933
- Genus Eurystomerus Schiner, 1868
- Genus Eutarsus Loew, 1857 accepted as Drymonoeca Becker, 1907
- Genus Euxiphocerus Parent, 1935
- Genus Falbouria Dyte, 1980
- Genus Fedtshenkomyia Stackelberg, 1927
- Genus Filatopus Miller, 1945
- Genus Fushuniregis Evenhuis, 2021 †
- Genus Gheynia Meunier, 1899 † accepted as Palaeomedeterus Meunier, 1895 †
- Genus Gheynius Meunier, 1906 † accepted as Gheynia Meunier, 1899 †
- Genus Ghrysotus Rondani, 1856 accepted as Chrysotus Meigen, 1824
- Genus Gigantosciapus Grichanov, 1997
- Genus Glyphidocerus Enderlein, 1936 accepted as Hydrophorus Fallén, 1823
- Genus Gnamptopsilopus Aldrich, 1893 accepted as Amblypsilopus Bigot, 1889
- Genus Gongophora Philippi, 1875 accepted as Tachytrechus Haliday in Walker, 1851
- Genus Gongrophora accepted as Gongophora Philippi, 1875
- Genus Gonioneurum Becker, 1922 accepted as Tachytrechus Haliday in Walker, 1851
- Genus Griphomyia Grootaert & Meuffels, 1997 accepted as Griphophanes Grootaert & Meuffels, 1998
- Genus Griphophanes Grootaert & Meuffels, 1998
- Genus Grootaertia Grichanov, 1999
- Genus Gujaratmyia Bickel in Bickel et al., 2022 †
- Genus Guzeriplia Negrobov, 1968
- Genus Gymnoceromyia Bigot, 1888 accepted as Gymnoceromyia Bigot, 1890
- Genus Gymnoceromyia Bigot, 1890 accepted as Sympycnus Loew, 1857
- Genus Gymnopternus Loew, 1857
- Genus Hadromerella Meijere, 1916
- Genus Hadroscelus Becker, 1922 accepted as Terpsimyia Dyte, 1975
- Genus Halaiba Parent, 1929 accepted as Argyrochlamys Lamb, 1922
- Genus Haltericerus Rondani, 1856 accepted as Sybistroma Meigen, 1824
- Genus Halteriphorus Parent, 1933
- Genus Hammobates Rondani, 1856 accepted as Ammobates Stannius, 1831
- Genus Hammobates Rondani, 1857 accepted as Ammobates Stannius, 1831
- Genus Haodolichopodites Hong, 2002 †
- Genus Haplopharyngomyia Meuffels & Grootaert, 1999
- Genus Haplopharynx Grootaert & Meuffels, 1998 accepted as Haplopharyngomyia Meuffels & Grootaert, 1999
- Genus Harmstonia Robinson, 1964
- Genus Haromyia Runyon, 2015
- Genus Helichochaetus Parent, 1933
- Genus Helixocerus Lamb, 1929
- Genus Hemospathus Bigot, 1888 accepted as Nemospathus Bigot, 1859
- Genus Hercostomoides Meuffels & Grootaert, 1997
- Genus Hercostomus Loew, 1857
- Genus Heteropsilopus Bigot, 1859
- Genus Hoplignusus Vaillant, 1953 accepted as Chaetogonopteron de Meijere, 1914
- Genus Hopliognusus accepted as Hoplignusus Vaillant, 1953
- Genus Humongochela Evenhuis, 2004
- Genus Hurleyella Runyon & Robinson, 2010
- Genus Hydatostega Philippi, 1865
- Genus Hydrochus Fallén, 1823 accepted as Rhaphium Meigen, 1803
- Genus Hydrophorus Fallén, 1823
- Genus Hygroceleuthus Loew, 1857 accepted as Dolichopus Latreille, 1796
- Genus Hypocharassus Mik, 1879
- Genus Hypocharasus accepted as Hypocharassus Mik, 1879
- Genus Hypophyllus Haliday, 1832 accepted as Sybistroma Meigen, 1824
- Genus Hyptiocheta Becker, 1922
- Genus Ionthadophrys Van Duzee, 1930 accepted as Somillus Brèthes, 1924
- Genus Iphis Meigen, 1800 accepted as Dolichopus Latreille, 1796
- Genus Irwinus Grichanov, 2023
- Genus Ischiochaetus Bickel & Dyte, 1989
- Genus Ischiochaetus Parent, 1933 accepted as Ischiochaetus Bickel & Dyte, 1989
- Genus Kalocheta Becker, 1923 accepted as Chrysosoma Guérin, 1831
- Genus Katangaia Parent, 1933
- Genus Keirosoma Van Duzee, 1929
- Genus Kophosoma Van Duzee, 1926 accepted as Peloropeodes Wheeler, 1890
- Genus Korotongo Bickel, 2023
- Genus Kowmungia Bickel, 1987
- Genus Krakatauia Enderlein, 1912
- Genus Labeneura Parent, 1937 accepted as Amblypsilopus Bigot, 1889
- Genus Lagodechia Negrobov & Tsurikov, 1996 accepted as Diostracus Loew, 1861
- Genus Lamprochromus Mik, 1878
- Genus Lapita Bickel, 2002
- Genus Lasiargyra Mik, 1878 accepted as Argyra Macquart, 1834
- Genus Laticopulus Hong, 2002 †
- Genus Laxina Curran, 1934 accepted as Condylostylus Bigot, 1859
- Genus Leptocorypha Aldrich, 1896 accepted as Paraclius Loew, 1864
- Genus Leptodolichopodites Hong, 2002 †
- Genus Leptopezina Macquart, 1835 accepted as Campsicnemus Haliday in Walker, 1851
- Genus Leptopus Fallén, 1823 accepted as Sciapus Zeller, 1842
- Genus Leptopus Haliday, 1832 accepted as Xanthochlorus Loew, 1857
- Genus Leptorhethum Aldrich, 1893 accepted as Amblypsilopus Bigot, 1889
- Genus Leucodolichopus Frey, 1915 accepted as Dolichopus Latreille, 1796
- Genus Leucostola Loew, 1857 accepted as Argyra Macquart, 1834
- Genus Liancalomina Stackelberg, 1931
- Genus Liancalus Loew, 1857
- Genus Lichtwardtia Enderlein, 1912
- Genus Linacalus accepted as Liancalus Loew, 1857
- Genus Liparomyia White, 1917
- Genus Longilabia Hong, 2002 †
- Genus Lorea Negrobov, 1966 accepted as Medetera Fischer von Waldheim, 1819
- Genus Ludovicius Rondani, 1843 accepted as Sybistroma Meigen, 1824
- Genus Ludovicus Bigot, 1859 accepted as Ludovicius Rondani, 1843
- Genus Lyroneurus Loew, 1857
- Genus Macellocerus Mik, 1878 accepted as Tachytrechus Haliday in Walker, 1851
- Genus Machaerium Haliday, 1832
- Genus Macherium Rondani, 1856 accepted as Machaerium Haliday, 1832
- Genus Macrodactylomyia Naglis, 2002
- Genus Macrodolichopus Stackelberg in Lindner, 1933 accepted as Dolichopus Latreille, 1796
- Genus Maipomyia Bickel, 2004
- Genus Major Evenhuis, 2005
- Genus Mangrovomyia Grichanov & Gilasian, 2023
- Genus Margarithostylus Schiner, 1868 accepted as Margaritostylus Bigot, 1859
- Genus Margaritostylus Bigot, 1859 accepted as Chrysosoma Guérin, 1831
- Genus Mascaromyia Bickel, 1994
- Genus Mastigomyia Becker, 1924 accepted as Teuchophorus Loew, 1857
- Genus Mberu Capellari & Amorim, 2011
- Genus Medetera Fischer von Waldheim, 1819
- Genus Medeterella Grichanov, 2011
- Genus Medeterites Grichanov, 2010 †
- Genus Medeterium Berthold in Latreille, 1827 accepted as Medetera Fischer von Waldheim, 1819
- Genus Medeterus Meigen, 1824 accepted as Medetera Fischer von Waldheim, 1819
- Genus Medeterus Bigot, 1890 accepted as Medetera Fischer von Waldheim, 1819
- Genus Meghyperiella Meunier, 1908 †
- Genus Megistostylus Curran, 1934
- Genus Megistotylus Bigot, 1859 accepted as Megystostylus Bigot, 1859
- Genus Megystostylus Bigot, 1859 accepted as Chrysosoma Guérin, 1831
- Genus Melanderia Aldrich, 1922
- Genus Melanodolichopus Frey, 1915 accepted as Dolichopus Latreille, 1796
- Genus Melanostolus Kowarz, 1884
- Genus Meringopherusa Becker, 1902 accepted as Asyndetus Loew, 1869
- Genus Mesoblepharius Bigot, 1859 accepted as Chrysosoma Guérin, 1831
- Genus Mesorhaga Schiner, 1868
- Genus Metaparaclius Becker, 1922
- Genus Metapelastoneurus Aldrich, 1894 accepted as Pelastoneurus Loew, 1861
- Genus Meuffelsia Grichanov in Grichanov & Mostovski, 2008
- Genus Microchrysotus Robinson, 1964
- Genus Microcyrtura Robinson, 1964
- Genus Microhercostomus Stackelberg, 1949 accepted as Hercostomus Loew, 1857
- Genus Micromedetera Robinson, 1975
- Genus Micromorphus Mik, 1878
- Genus Microphor Macquart, 1828
- Genus Microphora Zetterstedt, 1842 accepted as Microphor Macquart, 1828
- Genus Microphorella Becker, 1909
- Genus Microphorites Hennig, 1971 †
- Genus Microphorus Macquart, 1834 accepted as Microphor Macquart, 1828
- Genus Micropygus Parent, 1933 accepted as Micropygus Bickel & Dyte, 1989
- Genus Micropygus Bickel & Dyte, 1989
- Genus Microtes Becker, 1918 accepted as Vetimicrotes Dyte, 1980
- Genus Millardia Curran, 1934 accepted as Hydatostega Philippi, 1865
- Genus Minjerribah Bickel, 2019
- Genus Mischopyga Grootaert & Meuffels, 1990 accepted as Urodolichus Lamb, 1922
- Genus Munroiana Curran, 1924 accepted as Diaphorus Meigen, 1824
- Genus Muscidideicus Becker, 1917
- Genus Naglisia Quevedo, Capellari & Lamas, 2024
- Genus Nanomyina Robinson, 1964
- Genus Nanothinophilus Grootaert & Meuffels, 1998
- Genus Narabeenia Bickel, 1994 accepted as Narrabeenia Bickel, 1994
- Genus Narrabeenia Bickel, 1994
- Genus Naticornus Olejníček, 2005
- Genus Naufraga Bickel, 1992
- Genus Negrobovia Bickel, 1994
- Genus Negrobovus Wang, Evenhuis, Ji, Yang & Zhang, 2021
- Genus Nelsonia Parent, 1933 accepted as Abatetia Miller, 1945
- Genus Nematoproctus Loew, 1857
- Genus Nematopus Parent, 1933 accepted as Filatopus Miller, 1945
- Genus Nemospathus Bigot, 1859 accepted as Sybistroma Meigen, 1824
- Genus Neochrysotimus Yang, Saigusa & Masunaga, 2008
- Genus Neohercostomus Grichanov, 2011
- Genus Neomedetera Zhu, Yang & Grootaert, 2007
- Genus Neoparentia Robinson, 1967
- Genus Neorhaphium Botosaneanu & Vaillant, 1973 accepted as Peloropeodes Wheeler, 1890
- Genus Neosyntormon Curran, 1934 accepted as Parasyntormon Wheeler, 1899
- Genus Neothalassius Brooks & Cumming, 2016
- Genus Neotonnoiria Robinson, 1970
- Genus Nepalomyia Hollis, 1964
- Genus Nesorhaga accepted as Mesorhaga Schiner, 1868
- Genus Neurigona Rondani, 1856
- Genus Neurigonella Robinson, 1964 accepted as Nepalomyia Hollis, 1964
- Genus Neurogona Oldenberg, 1904 accepted as Neurigona Rondani, 1856
- Genus Neurogonus Oldenberg, 1904 accepted as Neurigona Rondani, 1856
- Genus Nggela Bickel, 2020
- Genus Ngirhaphium Evenhuis & Grootaert, 2002
- Genus Nikitella Grichanov, 2011
- Genus Nobilusa Wei, 2006 accepted as Acropsilus Mik, 1878
- Genus Nodicornis Rondani, 1843 accepted as Sybistroma Meigen, 1824
- Genus Nothorhaphium Bickel, 1999
- Genus Nothosympycnus Wheeler, 1899
- Genus Notobothrus Parent, 1931
- Genus Nurteria Dyte & Smith, 1980
- Genus Oariopherus Bigot, 1888 accepted as Oariostylus Bigot, 1859
- Genus Oariostylus Bigot, 1859 accepted as Chrysosoma Guérin, 1831
- Genus Oaristylus Loew, 1864 accepted as Chrysosoma Guérin, 1831
- Genus Oarostylus Schiner, 1868 accepted as Chrysosoma Guérin, 1831
- Genus Oedematopiella Naglis, 2011
- Genus Oedematopus Van Duzee, 1929
- Genus Oedipsilopus Bigot, 1859 accepted as Condylostylus Bigot, 1859
- Genus Oedopsilopus Verrall in Scudder, 1882 accepted as Oedipsilopus Bigot, 1859
- Genus Olegonegrobovia Grichanov, 1995
- Genus Oligochaetus Mik, 1878 accepted as Medetera Fischer von Waldheim, 1819
- Genus Oncopygius Mik, 1866
- Genus Oncopygus Loew, 1873 accepted as Oncopygius Mik, 1866
- Genus Orbicapitis Hong, 2002 †
- Genus Orbilabia Hong, 2002 †
- Genus Orthobates Wahlberg, 1844 accepted as Medetera Fischer von Waldheim, 1819
- Genus Orthoceras Schrank, 1796 accepted as Orthoceratium Schrank, 1803
- Genus Orthoceratium Schrank, 1803
- Genus Orthochile Berthold in Latreille, 1827
- Genus Ortochile Latreille, 1809
- Genus Osodostylus Bigot, 1859 accepted as Ozodostylus Bigot, 1859
- Genus Ostenia Hutton, 1901
- Genus Ounyana Hollis, 1964 accepted as Urodolichus Lamb, 1922
- Genus Ozmena Özdikmen, 2010 accepted as Diostracus Loew, 1861
- Genus Ozodostylus Bigot, 1859 accepted as Sybistroma Meigen, 1824
- Genus Pachypyga Parent, 1928 accepted as Peloropeodes Wheeler, 1890
- Genus Pachyurus Parent, 1934 accepted as Uropachys Parent, 1935
- Genus Pacystoma Swinderen, 1822 accepted as Medetera Fischer von Waldheim, 1819
- Genus Palaeoargyra Meunier, 1895 †
- Genus Palaeochrysotus Meunier, 1906 † accepted as Palaeochrysotus Meunier, 1907 †
- Genus Palaeochrysotus Meunier, 1907 † accepted as Palaeomedeterus Meunier, 1895 †
- Genus Palaeomedeterus Meunier, 1895 †
- Genus Palaeosystenus Grichanov, Negrobov & Selivanova, 2014 †
- Genus Paleothrypticus Ngô-Muller, Garrouste & Nel, 2020 †
- Genus Paluda Wei, 2006 accepted as Scotiomyia Meuffels & Grootaert, 1997
- Genus Papallacta Bickel, 2006
- Genus Paracleius Bigot, 1859 accepted as Pelastoneurus Loew, 1861
- Species Paracleius abstrusus Grichanov, 2004
- Species Paracleius aeptus Grichanov, 2004
- Species Paracleius altimontanus Grichanov, 2004
- Species Paracleius barracloughi Grichanov, 2004
- Species Paracleius biadimbi Grichanov, 2004
- Species Paracleius bissindza Grichanov, 2004
- Species Paracleius bretoni Grichanov, 2004
- Species Paracleius bururi Grichanov, 2004
- Species Paracleius dedegwa Grichanov, 2004
- Species Paracleius didyensis Grichanov, 2004
- Species Paracleius dobronosovi Grichanov, 2004
- Species Paracleius donskoffi Grichanov, 2004
- Species Paracleius fernandopoensis Grichanov, 2004
- Species Paracleius gabonensis Grichanov, 2004
- Species Paracleius irinae Grichanov, 2004
- Species Paracleius jasoni Grichanov, 2004
- Species Paracleius julius Grichanov, 2004
- Species Paracleius kabasha Grichanov, 2004
- Species Paracleius kassebeeri Grichanov, 2004
- Species Paracleius leidenrothi Grichanov, 2004
- Species Paracleius lippensi Grichanov, 2004
- Species Paracleius machakos Grichanov, 2004
- Species Paracleius martius Grichanov, 2004
- Species Paracleius michaeli Grichanov, 2004
- Species Paracleius miripennis Grichanov, 2004
- Species Paracleius miritarsus Grichanov, 2004
- Species Paracleius naglisi Grichanov, 2004
- Species Paracleius neocongoensis Grichanov, 2004
- Species Paracleius nigeriensis Grichanov, 2004
- Species Paracleius nigripalpis Grichanov, 2004
- Species Paracleius olejniceki Grichanov, 2004
- Species Paracleius reavelli Grichanov, 2004
- Species Paracleius sanjensis Grichanov, 2004
- Species Paracleius thompsoni Grichanov, 2004
- Species Paracleius tylophorus Schiner, 1868
- Species Paracleius umngazi Grichanov, 2004
- Species Paracleius upembaensis Grichanov, 2004
- Species Paracleius vicinus Aldrich, 1904
- Species Paracleius vilkamaai Grichanov, 2004
- Species Paracleius whittingtoni Grichanov, 2004
- Species Paracleius zamotailovi Grichanov, 2004
- Species Paracleius zogualensis Grichanov, 2004
- Genus Paraclius Loew, 1864
- Genus Paraclius Kertész, 1909 accepted as Paracleius Bigot, 1859
- Genus Paracoeloglutus Naglis, 2001
- Genus Paradolichopodites Hong, 2002 †
- Genus Paragymnopternus Bigot, 1889 accepted as Gymnopternus Loew, 1857
- Genus Parahercostomus Yang, Saigusa & Masunaga, 2001
- Genus Paraliancalus Parent, 1938
- Genus Paraliptus Bezzi, 1923
- Genus Paralleloneurum Becker, 1902 accepted as Thinophilus Wahlberg, 1844
- Genus Paramedetera Grootaert & Meuffels, 1997
- Genus Paraphrosylus Becker, 1922
- Genus Parasyntormon Wheeler, 1899
- Genus Parathalassius Mik, 1891
- Genus Parathinophilus Parent, 1932 accepted as Thinophilus Wahlberg, 1844
- Genus Parentia Hardy, 1935
- Genus Paresus Wei, 2006 accepted as Teuchophorus Loew, 1857
- Genus Parhydrophorus Wheeler, 1896 accepted as Hydrophorus Fallén, 1823
- Genus Pelastoneurus Loew, 1861
- Genus Peleropeodes Curran, 1933 accepted as Peloropeodes Wheeler, 1890
- Genus Peliopus accepted as Psilopus Meigen, 1824
- Genus Peloropeodes Wheeler, 1890
- Genus Peodes Loew, 1857
- Genus Perithinus Haliday, 1832 accepted as Rhaphium Meigen, 1803
- Genus Phacaspis Meuffels & Grootaert, 1988
- Genus Phalacrosoma Becker, 1922 accepted as Hercostomus Loew, 1857
- Genus Pharcoura Bickel, 2007
- Genus Phasmaphleps Bickel, 2005
- Genus Phoomyia Naglis & Grootaert, 2013
- Genus Phrudoneura Meuffels & Grootaert, 1987
- Genus Phylarchus Aldrich, 1901 accepted as Pelastoneurus Loew, 1861
- Genus Physopyga Grootaert & Meuffels, 1990
- Genus Pilbara Bickel, 1994
- Genus Pinacocerus Van Duzee, 1930
- Genus Pindaia Bickel, 2014
- Genus Placantichir Bickel, 1994 accepted as Placantichir Anonymous, 1937
- Genus Placantichir Enderlein, 1936 accepted as Placantichir Anonymous, 1937
- Genus Placantichir Anonymous, 1937 accepted as Sciapus Zeller, 1842
- Genus Plagioneurus Loew, 1857
- Genus Plagiozopelma Enderlein, 1912
- Genus Platyopsis Parent, 1929
- Genus Plectropus Haliday, 1832 accepted as Syntormon Loew, 1857
- Genus Plesiomedetera Grichanov, 2024 †
- Genus Plesiothalassius Ulrich, 1991
- Genus Pleuropygius Parent, 1933 accepted as Arachnomyia White, 1916
- Genus Poecilobothrus Mik, 1878
- Genus Polymedon Osten-Sacken, 1877 accepted as Tachytrechus Haliday in Walker, 1851
- Genus Porphirops Rondani, 1856 accepted as Porphyrops Meigen, 1824
- Genus Porphyrops Meigen, 1824 accepted as Argyra Macquart, 1834
- Genus Porphyrops auct. accepted as Rhaphium Meigen, 1803
- Genus Pouebo Bickel, 2008
- Genus Pristinmicrophor Tang, Shi, Wang & Yang, 2019 †
- Genus Proarchus Aldrich, 1910 accepted as Pelastoneurus Loew, 1861
- Genus Prochrysotus Meunier, 1906 † accepted as Prochrysotus Meunier, 1907 †
- Genus Prochrysotus Meunier, 1907 †
- Genus Prohercostomus Grichanov, 1997 †
- Genus Prosystenus Negrobov, 1976 †
- Genus Prothambemyia Masunaga, Saigusa & Grootaert, 2005 accepted as Thambemyia Oldroyd, 1956
- Genus Protomedetera Tang, Grootaert & Yang, 2018
- Genus Pseudacropsilus Strobl, 1899 accepted as Thinophilus Wahlberg, 1844
- Genus Pseudargyra Van Duzee, 1930
- Genus Pseudargyrochlamys Grichanov, 2006
- Genus Pseudoacropsilus accepted as Pseudacropsilus Strobl, 1899
- Genus Pseudohercostomus Stackelberg, 1931
- Genus Pseudoparaclius Grichanov, 2006
- Genus Pseudoparentia Bickel, 1994
- Genus Pseudopelastoneurus Grichanov, 2006
- Genus Pseudosympycnus Robinson, 1967
- Genus Pseudoxanthochlorus Negrobov, 1977
- Genus Psilischium Becker, 1922 accepted as Tachytrechus Haliday in Walker, 1851
- Genus Psilopdinus accepted as Psilopodinus Bigot, 1889
- Genus Psilopiella Van Duzee, 1914 accepted as Sciapus Zeller, 1842
- Genus Psilopodinus Bigot, 1889 accepted as Sciapus Zeller, 1842
- Genus Psilopodius Rondani, 1861 accepted as Psilopus Meigen, 1824
- Genus Psilopus Meigen, 1824 accepted as Sciapus Zeller, 1842
- Genus Psylopus Rondani, 1850 accepted as Psilopus Meigen, 1824
- Genus Pterostylus Mik, 1878 accepted as Poecilobothrus Mik, 1878
- Genus Ptilopus Staeger, 1843 accepted as Psilopus Meigen, 1824
- Genus Pycsymnus Frey, 1925 accepted as Chaetogonopteron de Meijere, 1914
- Genus Rafaelomyia Soares, Capellari & Ramos-Pastrana, 2023
- Genus Rageneura Bigot, 1890 accepted as Ragheneura Rondani, 1856
- Genus Ragheneura Rondani, 1856 accepted as Dolichopus Latreille, 1796
- Genus Rajpardia Bickel in Bickel et al., 2022 †
- Genus Raphium Rondani, 1856 accepted as Rhaphium Meigen, 1803
- Genus Retinitus Negrobov, 1978 †
- Genus Rhagoneurus Loew, 1864 accepted as Lichtwardtia Enderlein, 1912
- Genus Rhaphium Meigen, 1803
- Genus Rhynchoschizus Dyte, 1980
- Genus Saccopheronta Becker, 1914
- Genus Salishomyia Bickel, 2019 †
- Genus Sarcionus Aldrich, 1901 accepted as Pelastoneurus Loew, 1861
- Genus Satyra Meigen, 1803 accepted as Dolichopus Latreille, 1796
- Genus Saucropus Loew, 1857 accepted as Neurigona Rondani, 1856
- Genus Scelloides Parent, 1933 accepted as Scelloides Bickel & Dyte in Evenhuis, 1989
- Genus Scelloides Bickel & Dyte in Evenhuis, 1989
- Genus Scellus Loew, 1857
- Genus Scepastopyga Grootaert & Meuffels, 1997
- Genus Schistostoma Becker, 1902
- Genus Schizorhynchus Parent, 1927 accepted as Rhynchoschizus Dyte, 1980
- Genus Schoenophilus Mik, 1878 accepted as Thinophilus Wahlberg, 1844
- Genus Sciapus Zeller, 1842
- Genus Sciopolina Curran, 1924 accepted as Amblypsilopus Bigot, 1889
- Genus Sciopus Parent, 1925 accepted as Sciapus Zeller, 1842
- Genus Scorpiurus Parent, 1933
- Genus Scotiomyia Meuffels & Grootaert, 1997
- Genus Septocellula Hong, 1981 †
- Genus Setihercostomus Zhang & Yang, 2005
- Genus Shamshevia Grichanov, 2012
- Genus Sibistroma Rondani, 1856 accepted as Sybistroma Meigen, 1824
- Genus Sigmatineurum Parent, 1938
- Genus Sinodolichopodites Hong, 2002 †
- Genus Sinosciapus Yang, 2001
- Genus Smiliotus Loew, 1857 accepted as Machaerium Haliday, 1832
- Genus Somillus Brèthes, 1924
- Genus Spathichira Bigot, 1888 accepted as Dolichopus Latreille, 1796
- Genus Spathiopsilopus Bigot, 1889 accepted as Margaritostylus Bigot, 1859
- Genus Spathiospilopus accepted as Spathiopsilopus Bigot, 1889
- Genus Spathipsilopus Bigot, 1890 accepted as Margaritostylus Bigot, 1859
- Genus Spathitarsus Bigot, 1890 accepted as Sybistroma Meigen, 1824
- Genus Spatichira Bigot, 1888 accepted as Spathichira Bigot, 1888
- Genus Sphyrotarsus Mik, 1874 accepted as Diostracus Loew, 1861
- Genus Srilankamyia Naglis, Grootaert & Wei, 2011
- Genus Stannia Rondani, 1857 accepted as Tachytrechus Haliday in Walker, 1851
- Genus Steleopyga Grootaert & Meuffels, 2001 accepted as Hercostomus Loew, 1857
- Genus Stenarus Gistl, 1848 accepted as Sciapus Zeller, 1842
- Genus Stenopygium Becker, 1922
- Genus Stolidosoma Becker, 1922
- Genus Subhercostomus Grichanov, 2011 accepted as Neohercostomus Grichanov, 2011
- Genus Submedetera Parmenter, 1940 accepted as Submedeterus Becker, 1917
- Genus Submedeterus Becker, 1917 accepted as Thrypticus Gerstaecker, 1864
- Genus Subsympycnus Becker, 1922 accepted as Sympycnus Loew, 1857
- Genus Sunodolichopodites Hong, 2002 †
- Genus Suschania Negrobov, 2003
- Genus Sweziella Van Duzee, 1933
- Genus Sybistroma Meigen, 1824
- Genus Symbolia Becker, 1922
- Genus Sympycnidelphus Robinson, 1964
- Genus Sympycnites Grimaldi & Cumming, 1999 † accepted as Prohercostomus Grichanov, 1997 †
- Genus Sympycnus Loew, 1857
- Genus Sympyonus Aldrich, 1902 accepted as Sympycnus Loew, 1857
- Genus Synarthrus Loew, 1857 accepted as Syntormon Loew, 1857
- Genus Synarthus accepted as Synarthrus Loew, 1857
- Genus Syntomoneurum Becker, 1922 accepted as Tachytrechus Haliday in Walker, 1851
- Genus Syntormon Loew, 1857
- Genus Syntormoneura Curran, 1926 accepted as Telmaturgus Mik, 1874
- Genus Syntormoneurum accepted as Syntomoneurum Becker, 1922
- Genus Systenites Grichanov, Negrobov & Selivanova, 2014 †
- Genus Systenoides Naglis, 2002
- Genus Systenomorphus Grichanov, 2010
- Genus Systenoneurus Grichanov, 2010
- Genus Systenus Loew, 1857
- Genus Tachytrechus Haliday in Walker, 1851
- Genus Tachytrechus Stannius, 1831 accepted as Tachytrechus Haliday in Walker, 1851
- Genus Taechobates Haliday, 1832 accepted as Medetera Fischer von Waldheim, 1819
- Genus Takagia Negrobov, 1973 accepted as Ozmena Özdikmen, 2010
- Genus Telmaturgus Mik, 1874
- Genus Teneriffa Becker, 1908
- Genus Tenuopus Curran, 1924
- Genus Terpsimyia Dyte, 1975
- Genus Tetrachaetus Bickel & Dyte, 1989
- Genus Tetrachaetus Parent, 1933 accepted as Tetrachaetus Bickel & Dyte, 1989
- Genus Tetrechus accepted as Tachytrechus Haliday in Walker, 1851
- Genus Teuchophorus Loew, 1857
- Genus Thalassophorus Saigusa, 1986
- Genus Thambemyia Oldroyd, 1956
- Genus Thinolestris Grootaert & Meuffels, 1988
- Genus Thinophilus Wahlberg, 1844
- Genus Thoechobates Bigot, 1859 accepted as Taechobates Haliday, 1832
- Genus Thripticus Loew in Meigen, 1869 accepted as Thrypticus Gerstaecker, 1864
- Genus Thrypticus Gerstaecker, 1864
- Genus Tonnoiria Parent, 1929 accepted as Neotonnoiria Robinson, 1970
- Genus Trigonocera Becker, 1902
- Genus Trypticus Strobl, 1898 accepted as Thrypticus Gerstaecker, 1864
- Genus Turneria Parent, 1934 accepted as Turneria Parent, 1935
- Genus Turneria Parent, 1935 accepted as Nurteria Dyte & Smith, 1980
- Genus Tylochaetus Bigot, 1889 accepted as Condylostylus Bigot, 1859
- Genus Udzungwomyia Grichanov, 2018
- Genus Urodolichus Lamb, 1922
- Genus Uropachys Parent, 1938 accepted as Uropachys Parent, 1935
- Genus Uropachys Parent, 1935
- Genus Vaalimyia Curran, 1926 accepted as Lichtwardtia Enderlein, 1912
- Genus Vanduzeeia Parent, 1934 accepted as Cymatopus Kertész, 1901
- Genus Vetimicrotes Dyte, 1980
- Genus Viridigona Naglis, 2003
- Genus Wangia Hong, 2002 † accepted as Fushuniregis Evenhuis, 2021 †
- Genus Wheelerenomyia Meunier, 1907 †
- Genus Wirthia Arnaud, 1958 accepted as Melanderia Aldrich, 1922
- Genus Xanthina Aldrich, 1902
- Genus Xanthochlorus Loew, 1857
- Genus Xanthotricha Aldrich, 1896 accepted as Thrypticus Gerstaecker, 1864
- Genus Xiphandrium Loew, 1857 accepted as Rhaphium Meigen, 1803
- Genus Xyphandrium Bigot, 1859 accepted as Xiphandrium Loew, 1857
- Genus Yumbera Bickel, 1992
- 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 Neuropteroidea incertae sedis †
- 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 †
- Genus Youti Smith, Long, Dhungana, Dobson, Yang & Zhang, 2024 †
- 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 Ecdysozoa 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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