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
- 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
- Genus Acanthiptera Lioy, 1864 accepted as Acanthiptera Rondani, 1877
- Genus Acanthiptera Rondani, 1877 accepted as Achanthiptera Rondani, 1856
- Genus Acanthoneura Stein, 1919 accepted as Syllimnophora Speiser, 1923
- Genus Achanthiptera Rondani, 1856
- Genus Achantiptera Schiner, 1864 accepted as Achanthiptera Rondani, 1856
- Genus Acritochaeta Grimshaw, 1901
- Genus Adichosia Surcouf, 1919
- Genus Aeginia Agassiz, 1846 accepted as Eginia Robineau-Desvoidy, 1830
- Genus Aethiopomyia Malloch, 1921
- Genus Afromydaea Malloch, 1930
- Genus Agalmia Enderlein, 1934
- Genus Agdestis Séguy, 1937
- Genus Agenamyia Albuquerque, 1953
- Genus Agyrtomyia Gistl, 1848
- Genus Airalips Snyder, 1949
- Genus Albertinella Couri & de Carvalho, 1997
- Genus Alghetimyia Séguy, 1937
- Genus Alina Robineau-Desvoidy, 1863 accepted as Morellia Robineau-Desvoidy, 1830
- Genus Alloeostylus Schnabl, 1888
- Genus Allognota Pokorny, 1893
- Genus Allognotha
- Genus Alluaudinella Giglio-Tos, 1895
- Genus Altimyia Couri, 2008
- Genus Amphibolosia Surcouf, 1919
- Genus Anacanthiptera Séguy, 1937
- Genus Anaclysta Stein, 1919
- Genus Anaphalanthus Schiner, 1868
- Genus Anaphalantus Loew, 1857
- Genus Andersonia Malloch, 1928 accepted as Andersonosia van Emden, 1940
- Genus Andersonosia van Emden, 1940
- Genus Angolia Malloch, 1934 accepted as Angolina Pont, 1972
- Genus Angolina Pont, 1972
- Genus Annaria Zielke, 1972
- Genus Anodontha Schiner, 1868 accepted as Onodontha Rondani, 1856
- Genus Anthocoena van Emden, 1941
- Genus Anthocoenosia Xue & Xiang, 1994
- Genus Antholimna van Emden, 1941
- Genus Antipodomyia Malloch, 1921
- Genus Apisia Séguy, 1950
- Genus Apographomyia Séguy, 1937
- Genus Apsil Malloch, 1929
- Genus Archaeopolietes Pont & de Carvalho, 1997
- Genus Aricia Robineau-Desvoidy, 1830 accepted as Helina Robineau-Desvoidy, 1830
- Genus Ariciella Malloch, 1918
- Genus Arthurella Albuquerque, 1954
- Genus Aspilia Rondani, 1866 accepted as Helina Robineau-Desvoidy, 1830
- Genus Atelia Enderlein, 1934
- Genus Atherigona Rondani, 1856
- Genus Athomogaster Rondani, 1866 accepted as Atomogaster Macquart, 1835
- Genus Atomogaster Macquart, 1835
- Genus Auria Malloch, 1928
- Genus Austrocoenosia Malloch, 1934
- Genus Awatia Townsend, 1921 accepted as Musca Linnaeus, 1758
- Genus Azelia Robineau-Desvoidy, 1830
- Genus Aztecamyia Gomes, Fogaça & de Carvalho, 2020
- Genus Balioglutum Aldrich, 1925
- Genus Bdellia Enderlein, 1928
- Genus Bdellolarynx Austen, 1909
- Genus Bebryx Gistl, 1848
- Genus Beccimyia Pont, 1969
- Genus Bequaertomyia Séguy, 1937
- Genus Bigotomyia Malloch, 1921
- Genus Biomye Robineau-Desvoidy in Blainville et al., 1826 accepted as Byomya Robineau-Desvoidy, 1830
- Genus Biomyia Williston, 1908 accepted as Byomya Robineau-Desvoidy, 1830
- Genus Biopyrellia Townsend, 1932
- Genus Bithoracochaeta Stein, 1911
- Genus Blainvillia Robineau-Desvoidy, 1830a accepted as Hydrotaea Robineau-Desvoidy, 1830
- Genus Blissonia Robineau-Desvoidy, 1863 accepted as Muscina Robineau-Desvoidy, 1830
- Genus Brachiophyra Giglio-Tos, 1893
- Genus Brachipalpus Rondani, 1863 accepted as Palpibracus Rondani, 1863
- Genus Brachygasterina Macquart, 1851
- Genus Brachyophyra Wulp, 1896
- Genus Brevicosta Malloch, 1921
- Genus Brontaea Kowarz, 1873 accepted as Gymnodia Robineau-Desvoidy, 1863
- Genus Brontea Schnabl, 1911 accepted as Brontaea Kowarz, 1873
- Genus Bruceomyia Malloch, 1932
- Genus Bryantina Malloch, 1926
- Genus Buccophaonia van Emden, 1965
- Genus Bucephalomyia Malloch, 1918
- Genus Byomya Robineau-Desvoidy, 1830 accepted as Musca Linnaeus, 1758
- Genus Byomyia Agassiz, 1846 accepted as Byomya Robineau-Desvoidy, 1830
- Genus Caenosia Westwood, 1840 accepted as Coenosia Meigen, 1826
- Genus Callainireinwardtia Savage, 2009
- Genus Calliophrys Kowarz, 1893
- Genus Calliphoroides Malloch, 1930
- Genus Callitroga Brauer, 1883 accepted as Cochliomyia Townsend, 1915
- Genus Calloplatyura Malloch, 1928
- Genus Camilla Robineau-Desvoidy, 1863 accepted as Morellia Robineau-Desvoidy, 1830
- Genus Camptotarsopoda Strand, 1928
- Genus Camptotarsus Stein, 1913
- Genus Canosia Lioy, 1864 accepted as Coenosia Meigen, 1826
- Genus Caricaea Schiner, 1862 accepted as Caricea Robineau-Desvoidy, 1830
- Genus Caricea Robineau-Desvoidy, 1830 accepted as Coenosia Meigen, 1826
- Genus Caricea Schnabl, 1890 accepted as Caricea Robineau-Desvoidy, 1830
- Genus Caricoea Rondani, 1856 accepted as Caricea Robineau-Desvoidy, 1830
- Genus Cariocamyia Snyder, 1951
- Genus Cephalispa Malloch, 1935
- Genus Chaetagenia Malloch, 1928
- Genus Chaetopapuaia Vockeroth, 1972
- Genus Chaetophaonia Carvalho & Nihei, 2005
- Genus Chaetopyrellia Townsend, 1932 accepted as Morellia Robineau-Desvoidy, 1830
- Genus Chaetypopleura Enderlein, 1927
- Genus Charadrella Wulp, 1896
- Genus Cholomyioides Albuquerque, 1954
- Genus Chorthophila Rondani, 1856 accepted as Chortophila Macquart, 1835
- Genus Chortinus Aldrich, 1932
- Genus Chouicoenosia Cui & Xue, 1996
- Genus Chuntiania Xue, 2022
- Genus Clinopera Van der Wulp, 1896
- Genus Coenolispa Malloch, 1932
- Genus Coenosia Meigen, 1826
- Genus Coenosiosoma Ringdahl, 1947
- Genus Coenosites Schnabl & Dziedzicki, 1911
- Genus Commosia Enderlein, 1934
- Genus Cordiluroides Albuquerque, 1954
- Genus Correntosia Malloch, 1934
- Genus Corthophila Rondani, 1843 accepted as Chortophila Macquart, 1835
- Genus Crinurina Karl in Dahl, 1928
- Genus Crucianella Xue & Xiang, 1994
- Genus Cryptolucilia Brauer & Bergenstamm, 1893
- Genus Cryptophyra Michelsen, 1978
- Genus Cuculla Robineau-Desvoidy, 1830 accepted as Limnophora Macquart, 1835
- Genus Curranosia Paterson, 1957
- Genus Curtoneura Westwood, 1840 accepted as Curtonevra Macquart, 1834
- Genus Curtonevra Macquart, 1834
- Genus Cyacyrtoneura Townsend, 1931 accepted as Morellia Robineau-Desvoidy, 1830
- Genus Cymnodia Robineau-Desvoidy, 1863 accepted as Gymnodia Robineau-Desvoidy, 1863
- Genus Cypselodopteryx Townsend, 1934
- Genus Cypselopteryx Townsend, 1926 accepted as Cypselodopteryx Townsend, 1934
- Genus Cyrthoneura Rondani, 1863 accepted as Curtonevra Macquart, 1834
- Genus Cyrtoneura Meigen, 1838 accepted as Curtonevra Macquart, 1834
- Genus Cyrtoneurea Rondani, 1868 accepted as Curtonevra Macquart, 1834
- Genus Cyrtoneurina Giglio-Tos, 1893
- Genus Cyrtoneuropsis Townsend, 1931 accepted as Cyrtoneura Meigen, 1838
- Genus Cyrtonevra Macquart, 1846 accepted as Curtonevra Macquart, 1834
- Genus Dalcyella de Carvalho, 1989
- Genus Dasiphora Rondani, 1856 accepted as Dasyphora Robineau-Desvoidy, 1830
- Genus Dasiprosterna Fan, 2008 accepted as Morellia Robineau-Desvoidy, 1830
- Genus Dasymorellia Malloch, 1923
- Genus Dasyphora Robineau-Desvoidy, 1830
- Genus Dasyphoromima Zimin, 1951
- Genus Dasypyrellia Lobanov, 1976
- Genus Deiphoba Gistl, 1848 accepted as Helina Robineau-Desvoidy, 1830
- Genus Deltotus Séguy, 1935
- Genus Dendrophaonia Malloch, 1922
- Genus Dexiopsis Pokorny, 1893
- Genus Dialyta Meigen, 1826
- Genus Diatinoza Enderlein, 1936
- Genus Dichaetomyia Malloch, 1921
- Genus Didierimyia Séguy, 1937
- Genus Dimorphia Malloch, 1922
- Genus Diplogaster Bigot, 1886 accepted as Pygophora Schiner, 1868
- Genus Dobrogiella Lehrer & Oprişan, 2013 accepted as Pyrellia Robineau-Desvoidy, 1830
- Genus Dolichophaonia Barros de Carval, 1993
- Genus Drepanocnemis Stein, 1911
- Genus Drimeia Rondani, 1877 accepted as Drymeia Meigen, 1826
- Genus Drimeja Rondani, 1856 accepted as Drymeia Meigen, 1826
- Genus Drymeia Meigen, 1826
- Genus Drymeja Lioy, 1864 accepted as Drymeia Meigen, 1826
- Genus Drymela Gray, 1832 accepted as Drymeia Meigen, 1826
- Genus Drymia Agassiz, 1846 accepted as Drymeia Meigen, 1826
- Genus Drymyeia Stein, 1857 accepted as Drymeia Meigen, 1826
- Genus Dyadimyia Séguy, 1937
- Genus Ecliponeura van Emden, 1941
- Genus Egina Macquart, 1835
- Genus Eginia Robineau-Desvoidy, 1830
- Genus Eginiella Malloch, 1925
- Genus Emmesina Malloch, 1921
- Genus Encarsiocera Czerny, 1931
- Genus Enoplopteryx Hendel, 1902
- Genus Eriphia Meigen, 1826 accepted as Bebryx Gistl, 1848
- Genus Eudasyphora Townsend, 1911 accepted as Dasyphora Robineau-Desvoidy, 1830
- Genus Eulimnophora Malloch, 1920
- Genus Eumesembrina Townsend, 1908 accepted as Mesembrina Meigen, 1826
- Genus Eumusca Townsend, 1911 accepted as Musca Linnaeus, 1758
- Genus Eumyiospila Malloch, 1926
- Genus Euphaonia Malloch, 1922
- Genus Euphemia Robineau-Desvoidy, 1830 accepted as Phaonia Robineau-Desvoidy, 1830
- Genus Euphemyia Lioy, 1864 accepted as Euphemia Robineau-Desvoidy, 1830
- Genus Euphoria Robineau-Desvoidy, 1863 accepted as Neomyia Walker, 1859
- Genus Eupogonomyia
- Genus Euspilaria Malloch, 1921
- Genus Exsul Hutton, 1900
- Genus Fellaea Robineau-Desvoidy, 1830 accepted as Phaonia Robineau-Desvoidy, 1830
- Genus Fellea Agassiz, 1846 accepted as Fellaea Robineau-Desvoidy, 1830
- Genus Fraserella Steyskal, 1966
- Genus Fraseria Malloch, 1932 accepted as Fraserella Steyskal, 1966
- Genus Glossinella Grünberg, 1906
- Genus Gonomyella Alexander, 1917 accepted as Progonomyia Alexander, 1920
- Genus Gordonia Malloch, 1926
- Genus Graphomia Rondani, 1862 accepted as Graphomya Robineau-Desvoidy, 1830
- Genus Graphomuscina Townsend, 1918 accepted as Graphomya Robineau-Desvoidy, 1830
- Genus Graphomya Robineau-Desvoidy, 1830
- Genus Graphomyia Agassiz, 1846 accepted as Graphomya Robineau-Desvoidy, 1830
- Genus Graphomyia Macquart, 1834 accepted as Graphomya Robineau-Desvoidy, 1830
- Genus Graueria Curran, 1935
- Genus Gymnodia Robineau-Desvoidy, 1863
- Genus Gymnopapuaia Vockeroth, 1972
- Genus Haemathobia Neave, 1939 accepted as Hemathobia Rondani, 1862
- Genus Haematobia Lepeletier & Serville, 1828
- Genus Haematobia Robineau-Desvoidy, 1830 accepted as Haematobia Lepeletier & Serville, 1828
- Genus Haematobosca Bezzi, 1907
- Genus Haematostoma Malloch, 1932
- Genus Haphospatha Enderlein, 1924
- Genus Hardyia Malloch, 1926 † accepted as Prohardyia Pont, 1969
- Genus Haroldopsis Albuquerque, 1954
- Genus Hebecnema Schnabl, 1889
- Genus Helina Robineau-Desvoidy, 1830
- Genus Helinella Malloch, 1926
- Genus Helinomydaea Vockeroth, 1972
- Genus Heliographa Malloch, 1921
- Genus Hemathobia Rondani, 1862 accepted as Haematobia Robineau-Desvoidy, 1830
- Genus Hemichlora Van der Wulp, 1896
- Genus Hemixanthomyia Albuquerque, 1954
- Genus Hennigiola Pont, 1969
- Genus Hennigmyia
- Genus Hera Schnabl, 1888
- Genus Hoematobia Lepeletier & Serville, 1828 accepted as Haematobia Lepeletier & Serville, 1828
- Genus Hoemotobia Rondani, 1856 accepted as Haematobia Lepeletier & Serville, 1828
- Genus Huckettomyia Pont & Shinonaga, 1970
- Genus Hydrotaea Robineau-Desvoidy, 1830
- Genus Hydrotaeoides Skidmore, 1985
- Genus Hydrotea Macquart, 1851 accepted as Hydrotaea Robineau-Desvoidy, 1830
- Genus Hydrothaea Rondani, 1856 accepted as Hydrotaea Robineau-Desvoidy, 1830
- Genus Hydrothea Pandellé, 1898 accepted as Hydrotaea Robineau-Desvoidy, 1830
- Genus Hydrotoea Macquart, 1843 accepted as Hydrotaea Robineau-Desvoidy, 1830
- Genus Hydrotoea Rondani, 1856 accepted as Hydrothaea Rondani, 1856
- Genus Hyetodesia van der Wulp, 1896 accepted as Yetodesia Rondani, 1861
- Genus Hyetodesia Mik, 1881 accepted as Yetodesia Rondani, 1861
- Genus Hypodermodes Townsend, 1912 accepted as Mesembrina Meigen, 1826
- Genus Hypsomyia Couri & de Carvalho, 1994
- Genus Idiochelina Malloch, 1921 accepted as Idiohelina Malloch, 1921
- Genus Idiohelina Malloch, 1921
- Genus Idiopygus Malloch, 1921
- Genus Idopygus
- Genus Insulamyia Couri, 1982
- Genus Iotoma Macquart, 1835 accepted as Potamia Robineau-Desvoidy, 1830
- Genus Iotomia Lioy, 1863 accepted as Potamia Robineau-Desvoidy, 1830
- Genus Itatingamyia Albuquerque, 1979
- Genus Kingia Malloch, 1921
- Genus Kingiella Curran, 1934
- Genus Lasiopelta Malloch, 1928
- Genus Lasiops Meigen, 1838
- Genus Lasiothricops Skidmore, 1985
- Genus Lauxanacanthia Schiner, 1868
- Genus Lauxanacanthis Bigot, 1860 accepted as Anaphalantus Loew, 1857
- Genus Lepidotis Séguy, 1935
- Genus Leucomelina Macquart, 1851
- Genus Levallonia Albuquerque, 1958
- Genus Limnaricia Schnabl & Dziedzicki, 1911
- Genus Limnella Malloch, 1928
- Genus Limnina Malloch, 1928
- Genus Limnohelina Malloch, 1930
- Genus Limnophora Robineau-Desvoidy, 1830
- Genus Limnophora Macquart, 1835 accepted as Limnophora Robineau-Desvoidy, 1830
- Genus Limnospila Schnabl, 1902
- Genus Limosia Robineau-Desvoidy, 1830 accepted as Coenosia Meigen, 1826
- Genus Lipsa Rondani, 1844 accepted as Lispe Latreille, 1796
- Genus Lisocephala
- Genus Lispa Fallén, 1810 accepted as Lispe Latreille, 1796
- Genus Lispacoenosia Snyder, 1959
- Genus Lispe Latreille, 1796
- Genus Lispocephala Pokorny, 1893
- Genus Lispoides Malloch, 1920
- Genus Lissasterna Malloch, 1929
- Genus Lissosterna Bezzi, 1923
- Genus Listriapha Enderlein, 1934
- Genus Litorella Rondani, 1856
- Genus Lophomala Enderlein, 1927
- Genus Lophosceles Ringdahl, 1922
- Genus Lymnophora Blanchard, 1845 accepted as Limnophora Robineau-Desvoidy, 1830
- Genus Lyparosia Becker, 1908 accepted as Lyperosia Rondani, 1856
- Genus Lyperosia Rondani, 1856 accepted as Haematobia Lepeletier & Serville, 1828
- Genus Lyperosiops Townsend, 1912 accepted as Haematobosca Bezzi, 1907
- Genus Machorchis Meade, 1883 accepted as Macrorchis Rondani, 1877
- Genus Macrocanace Tonnoir & Malloch, 1926
- Genus Macrochoeta Macquart, 1851
- Genus Macroeginia Malloch, 1928
- Genus Macrorchis Rondani, 1877
- Genus Macrosoma Robineau-Desvoidy, 1830 accepted as Polietes Rondani, 1866
- Genus Maesia de Carvalho & Nihei, 2002
- Genus Magma Albuquerque, 1949
- Genus Mallocharia Curran, 1834
- Genus Medus Séguy, 1935
- Genus Megophyra van Emden, 1965
- Genus Melanocheila Rondani, 1871 accepted as Melanochelia Rondani, 1866
- Genus Melanochelia Rondani, 1866 accepted as Limnophora Robineau-Desvoidy, 1830
- Genus Mesembrina Meigen, 1826
- Genus Mesembrinellopsis Townsend, 1927 accepted as Philornis Meinert, 1890
- Genus Metamesembrina Townsend, 1908 accepted as Mesembrina Meigen, 1826
- Genus Metopomyia Malloch, 1922
- Genus Microcalyptra Stein, 1919
- Genus Microcera Lioy, 1864
- Genus Microchylum Macquart, 1851
- Genus Micropotamia de Carvalho, 1992
- Genus Millerina Malloch, 1925
- Genus Mitroplatia Enderlein, 1935
- Genus Morellia Robineau-Desvoidy, 1830
- Genus Mulfordia Malloch, 1928
- Genus Musca Linnaeus, 1758
- Genus Muscina Robineau-Desvoidy, 1830
- Genus Mydaea Robineau-Desvoidy, 1830
- Genus Mydaeina Malloch, 1919
- Genus Mydaria Schnabl, 1915
- Genus Mydea Lioy, 1864 accepted as Mydaea Robineau-Desvoidy, 1830
- Genus Mydina Robineau-Desvoidy, 1830 accepted as Helina Robineau-Desvoidy, 1830
- Genus Myiophaea Enderlein, 1935
- Genus Myiospila Breakey, 1929 accepted as Myospila Rondani, 1856
- Genus Myiospila Rondani, 1868 accepted as Myospila Rondani, 1856
- Genus Myospila Rondani, 1856
- Genus Myospyla Rondani, 1862 accepted as Myospila Rondani, 1856
- Genus Neaveia Malloch, 1921
- Genus Neivamyia Pinto & Da Fonseca, 1930
- Genus Neodexiopsis Malloch, 1920
- Genus Neohelina Malloch, 1924
- Genus Neohydrotaea Malloch, 1924
- Genus Neolimnophora Schnabl, 1902
- Genus Neomusca Malloch, 1921
- Genus Neomuscina Townsend, 1919
- Genus Neomyia Walker, 1859
- Genus Neoperonia Miller, 1945
- Genus Neopyrellia Townsend, 1939 accepted as Neorypellia Pont, 1972
- Genus Neorypellia Pont, 1972
- Genus Neurotrixa Shannon & Del Ponte, 1926
- Genus Noelia Albuquerque, 1957
- Genus Notoschoenomyza Malloch, 1934
- Genus Numorellia Fan, 2008 accepted as Morellia Robineau-Desvoidy, 1830
- Genus Nystomyia Séguy, 1935
- Genus Ochromusca Malloch, 1927
- Genus Ocypodomyia Pont, 2006
- Genus Onodonta Rondani, 1866 accepted as Onodontha Rondani, 1856
- Genus Onodontha Rondani, 1856 accepted as Hydrotaea Robineau-Desvoidy, 1830
- Genus Onychomyia Stein, 1919
- Genus Ophira Rondani, 1844 accepted as Ophyra Robineau-Desvoidy, 1830
- Genus Ophyra Robineau-Desvoidy, 1830 accepted as Hydrotaea Robineau-Desvoidy, 1830
- Genus Oplogaster Rondani, 1856 accepted as Coenosia Meigen, 1826
- Genus Opsolasia Coquillett, 1910
- Genus Oramydaea Snyder, 1949
- Genus Orchisia Rondani, 1877
- Genus Ornithomusca Townsend, 1916 accepted as Passeromyia Rodhain & Villeneuve, 1915
- Genus Orthellia Robineau-Desvoidy, 1863 accepted as Neomyia Walker, 1859
- Genus Orthostylum Macquart, 1851
- Genus Osphyra Meade, 1881 accepted as Ophyra Robineau-Desvoidy, 1830
- Genus Oxytonocera Stein, 1919
- Genus Pachyceramyia Albuquerque, 1955
- Genus Pahangia Malloch, 1928
- Genus Paleostomoxys Townsend, 1921 †
- Genus Paleotachina Townsend, 1921 † accepted as Aethiopomyia Malloch, 1921
- Genus Palpibracus Rondani, 1863
- Genus Palpilongus Couri & de Carvalho, 2013
- Genus Palusia Robineau-Desvoidy, 1830 accepted as Coenosia Meigen, 1826
- Genus Panaga Curran, 1928
- Genus Papuaia Malloch, 1921
- Genus Papuaiella Vockeroth, 1972
- Genus Paracoenosia Malloch, 1938
- Genus Paracoenosia Ringdahl, 1945
- Genus Paracyrtoneurina Pamplona, 1999 accepted as Cyrtoneuropsis Malloch, 1925
- Genus Paradexiopsis Albuquerque, 1955
- Genus Parahydrotaea Stein, 1919
- Genus Paralimnophora Lamb, 1909
- Genus Parapictia Pont, 1968
- Genus Parapsilogaster Bigot, 1882 accepted as Paraspilogaster Bigot, 1882
- Genus Parapyrellia Townsend, 1915 accepted as Morellia Robineau-Desvoidy, 1830
- Genus Pararicia Brauer & Bergenstamm, 1891
- Genus Paraspilogaster Bigot, 1882 accepted as Helina Robineau-Desvoidy, 1830
- Genus Parastomoxys Zumpt, 1973
- Genus Parvisquama Malloch, 1935
- Genus Parvomusca Ferreira Medeiros, 1980
- Genus Passeromyia Rodhain & Villeneuve, 1915
- Genus Pectiniseta Stein, 1919
- Genus Pegomyia Macquart, 1835
- Genus Pendleburyia Malloch, 1928
- Genus Pentacricia Stein, 1898
- Genus Peronia Robineau-Desvoidy, 1830 accepted as Australophyra Malloch, 1923
- Genus Phaomusca Malloch, 1926
- Genus Phaonia Robineau-Desvoidy, 1830
- Genus Phaonidia van Emden, 1965
- Genus Phasiophana Brauer & Bergenstamm, 1891
- Genus Philaematomyia Austen, 1909
- Genus Philornis Meinert, 1890
- Genus Phyllogaster Stein, 1898 accepted as Tetramerinx Berg, 1898
- Genus Phyronota Shannon & Del Ponte, 1926
- Genus Pictia Malloch, 1926
- Genus Pilispina Albuquerque, 1954
- Genus Placomyia Agassiz, 1846 accepted as Plaxemya Robineau-Desvoidy, 1830
- Genus Platychiracra Enderlein, 1936
- Genus Plaxemya Robineau-Desvoidy, 1830 accepted as Musca Linnaeus, 1758
- Genus Plaxemyia Schiner, 1862 accepted as Plaxemya Robineau-Desvoidy, 1830
- Genus Plexiopsis
- Genus Plumispina Albuquerque, 1954
- Genus Pogonomya Curran, 1934 accepted as Pogonomyia Rondani, 1871
- Genus Pogonomyia Rondani, 1871 accepted as Drymeia Meigen, 1826
- Genus Pokornya Strobl, 1893
- Genus Polietella Ringdahl, 1922
- Genus Polietes Rondani, 1866
- Genus Polietina Schnabl & Dziedzicki, 1911
- Genus Polletella de Carvalho & Haseyama, 2019
- Genus Potamia Robineau-Desvoidy, 1830
- Genus Priophora Robineau-Desvoidy, 1863 accepted as Haematobia Lepeletier & Serville, 1828
- Genus Pristirhynchomyia Brunetti, 1910
- Genus Proekon Surcouf, 1919
- Genus Profannia Séguy, 1937
- Genus Progonomyia Alexander, 1920
- Genus Prohardyia Pont, 1969
- Genus Prohydrotaea van Emden, 1951
- Genus Promusca Townsend, 1915 accepted as Musca Linnaeus, 1758
- Genus Prostomoxys Zumpt, 1973 †
- Genus Protostomoxys Enderlein, 1935
- Genus Pseudobengalia Enderlein, 1935
- Genus Pseudocoenosia Stein, 1916
- Genus Pseudogymnosoma Townsend, 1918 accepted as Neomyia Walker, 1859
- Genus Pseudohelina Vockeroth, 1972
- Genus Pseudolimnophora Strobl, 1893
- Genus Pseudomyiospila Vimmer, 1939
- Genus Pseudophaonia Malloch, 1918
- Genus Pseudoptilolepis Snyder, 1949
- Genus Pseudopyrellia Girschner, 1894 accepted as Neomyia Walker, 1859
- Genus Pseudorthellia Townsend, 1916 accepted as Neomyia Walker, 1859
- Genus Pseudoscatella Becker, 1902
- Genus Pseudosetimusca Joseph & Parui, 1972
- Genus Psilochaeta Stein, 1911
- Genus Psilostoma Surcouf, 1919
- Genus Pygophora Schiner, 1868
- Genus Pynellia Walker, 1858 accepted as Pyrellia Robineau-Desvoidy, 1830
- Genus Pyrelia Stein, 1857 accepted as Pyrellia Robineau-Desvoidy, 1830
- Genus Pyrellia Robineau-Desvoidy, 1830
- Genus Pyrellina Malloch, 1923
- Genus Quadrula Pandellé, 1898
- Genus Quadrularia Huckett, 1965
- Genus Raymondomyia Malloch, 1934
- Genus Reinwardtia Brauer & Bergenstamm, 1890
- Genus Reynoldsia Malloch, 1934
- Genus Rhabdoptera
- Genus Rhinomusca Malloch, 1932
- Genus Rhorella Zetterstedt, 1860 accepted as Rohrella Robineau-Desvoidy, 1830
- Genus Rhynchocoenops Bezzi, 1918
- Genus Rhynchoenops
- Genus Rhyncholimnophora Stein, 1911
- Genus Rhynchomydaea Malloch, 1922
- Genus Rhynchopsilops Hendel, 1903
- Genus Rohrella Robineau-Desvoidy, 1830 accepted as Phaonia Robineau-Desvoidy, 1830
- Genus Rorhella Rondani, 1877 accepted as Rohrella Robineau-Desvoidy, 1830
- Genus Rypellia Malloch, 1931
- Genus Sarcopromusca Townsend, 1927
- Genus Scatocoenosia Schnabl, 1915
- Genus Scenetes Malloch, 1936
- Genus Schaenomyia Westwood, 1840 accepted as Schoenomyza Haliday, 1833
- Genus Schaenomyza Agassiz, 1846 accepted as Schoenomyza Haliday, 1833
- Genus Schenomyza Rondani, 1871 accepted as Schoenomyza Haliday, 1833
- Genus Schoenomyia Schiner, 1868 accepted as Schoenomyza Haliday, 1833
- Genus Schoenomyza Haliday, 1833
- Genus Schoenomyzina Malloch, 1934
- Genus Scutellomusca Townsend, 1931
- Genus Scutellorthellia Townsend, 1932 accepted as Neomyia Walker, 1859
- Genus Sinomuscina Séguy, 1937
- Genus Sinophaonia Xue, 2001
- Genus Souzalopesmyia Albuquerque, 1951
- Genus Spanochaeta Stein, 1919
- Genus Spathipheromyia Bigot, 1884
- Genus Sphenomyia Aldrich, 1919
- Genus Sphora Robineau-Desvoidy, 1830 accepted as Musca Linnaeus, 1758
- Genus Spilaria Schnabl, 1911
- Genus Spilogaster Macquart, 1835
- Genus Spilogona Schnabl, 1911
- Genus Spitogaster Lioy, 1864 accepted as Spilogaster Macquart, 1835
- Genus Stagnia Robineau-Desvoidy, 1830 accepted as Phaonia Robineau-Desvoidy, 1830
- Genus Steinella Malloch, 1921
- Genus Stenomitra Enderlein, 1934
- Genus Stomopogon Malloch, 1930
- Genus Stomoxis Schaeffer, 1766 accepted as Stomoxys Geoffroy, 1762
- Genus Stomoxys Geoffroy, 1762
- Genus Stomoxys Fabricius, 1775 accepted as Stomoxys Geoffroy, 1762
- Genus Stygeromyia Austen, 1907
- Genus Stygia Robineau-Desvoidy in Blainville et al., 1826
- Genus Subphaonia Ringdahl, 1934
- Genus Sumapazomyia Fogaça, Couri, Pérez & De Carvalho, 2019
- Genus Syllegoptera Rondani, 1856 accepted as Eginia Robineau-Desvoidy, 1830
- Genus Syllegopterula Pokorny, 1893
- Genus Syllimnophora Speiser, 1923
- Genus Syngamoptera Schnabl, 1902
- Genus Synthesiomyia Brauer & Bergenstamm, 1893
- Genus Tamilomyia van Emden, 1965
- Genus Tapantiomyia Michelsen, 2017
- Genus Teleutochaeta Stein, 1911
- Genus Tertiuseginia Ôuchi, 1938
- Genus Tetrachaeta Stein, 1898 accepted as Tetramerinx Berg, 1898
- Genus Tetramerinx Berg, 1898
- Species Tetramerinx brevicornis Malloch, 1917
- Species Tetramerinx californiensis Malloch, 1918 accepted as Tetramerinx rufitibia Stein, 1911
- Species Tetramerinx cordyluroides Stein, 1898
- Species Tetramerinx femorata Malloch, 1913
- Species Tetramerinx geniculata Macquart, 1851
- Species Tetramerinx longispina Malloch, 1923
- Species Tetramerinx nigripes Stein, 1911
- Species Tetramerinx parvimaculatus Stein, 1920
- Species Tetramerinx rufitibia Stein, 1911
- Genus Thaumasiochaeta Stein, 1911
- Genus Thricophticus Rondani, 1866 accepted as Tricophthicus Rondani, 1861
- Genus Thricops Rondani, 1856
- Genus Tracheomyia Rodhain & Bequaert, 1916
- Genus Trennia Robineau-Desvoidy, 1830 accepted as Phaonia Robineau-Desvoidy, 1830
- Genus Trichomorellia Stein, 1919
- Genus Trichophthicus Wulp, 1896 accepted as Thricops Rondani, 1856
- Genus Trichophticus Rondani, 1871 accepted as Tricophthicus Rondani, 1861
- Genus Trichops Rondani, 1866 accepted as Thricops Rondani, 1856
- Genus Trichopticoides Ringdahl, 1931
- Genus Trichopticus Bezzi & Stein in Becker, 1907 accepted as Thricops Rondani, 1856
- Genus Trichoptocpodes
- Genus Tricophthicus Rondani, 1861 accepted as Thricops Rondani, 1856
- Genus Tricops Bezzi & Stein in Becker, 1907 accepted as Thricops Rondani, 1856
- Genus Tricops Rondani, 1856 accepted as Thricops Rondani, 1856
- Genus Triennia Walker, 1849
- Genus Trupheopygus Malloch, 1921
- Genus Vetodesia Portschinsky, 1882 accepted as Helina Robineau-Desvoidy, 1830
- Genus Villeneuvia Schnabl & Dziedzicki, 1912
- Genus Viviparomusca Townsend, 1915 accepted as Musca Linnaeus, 1758
- Genus Weyerellia Zielke, 1971
- Genus Wiedemannia Meigen, 1838
- Genus Winnertzia Schiner, 1861 accepted as Neowinnertzia Townsend, 1912
- Genus Xenocoenosia Malloch, 1920
- Genus Xenolispa Malloch, 1922
- Genus Xenomorellia Malloch, 1923
- Genus Xenomydaea Malloch, 1920
- Genus Xenomyia Malloch, 1921
- Genus Xenosia Malloch, 1921
- Genus Xenosina Malloch, 1925
- Genus Xenotachina Malloch, 1921
- Genus Xenothoracochaeta Malloch, 1921
- Genus Xestomyia Stein, 1907
- Genus Yetodesia Rondani, 1861 accepted as Aricia Robineau-Desvoidy, 1830
- Genus Ziminellia Nihei & de Carvalho, 2007 †
- 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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