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
- Genus Absinthomyia Fedotova, 1999
- Genus Acacidiplosis Gagné in Gagné & Marohasy, 1993
- Genus Acanthacidiplosis Fedotova, 2003
- Genus Acaroletes Kieffer, 1912
- Genus Acericecis Gagné, 1983
- Genus Acerovesiculomyia Fedotova, 2003
- Genus Acinacistyla Fedotova & Sidorenko, 2006
- Genus Acodiplosis Kieffer, 1895
- Genus Acoenonia Pritchard, 1947
- Genus Acorhynchus Rondani, 1861 accepted as Ozirhincus Rondani, 1840
- Genus Acorrhynchus Verrall in Scudder, 1882 accepted as Ozirhincus Rondani, 1840
- Genus Acroectasis Rübsaamen, 1910
- Genus Acroëctasis Rübsaamen, 1910 accepted as Acroectasis Rübsaamen, 1910
- Genus Actilasioptera Gagné in Gagné & Law, 1998 accepted as Actilasioptera Gagné, 1999
- Genus Actilasioptera Gagné, 1999
- Genus Aculeatodiplosis Fedotova & Sidorenko, 2005
- Genus Acumyia Harris, 2008
- Genus Acyrhynchus Rondani, 1861 accepted as Acorhynchus Rondani, 1861
- Genus Adelgimyza Del Guercio, 1919
- Genus Adiplosis Felt, 1908
- Genus Adsumyia Fedotova & Perkovsky, 2008 †
- Genus Aequidiplosis Fedotova & Sidorenko, 2004
- Genus Afrodiplosis Felt, 1926
- Genus Afrolasioptera Dorchin, 2007
- Genus Agevillea Hubault, 1945
- Genus Alassomyia Felt, 1925 accepted as Oligotrophus Latreille, 1804
- Genus Alatostyla Fedotova & Sidorenko, 2006
- Genus Alethediplosis Tavares, 1916
- Genus Alexomyia Felt, 1921
- Genus Allarete Pritchard, 1951
- Genus Allaretella Meyer & Spungis, 1994
- Genus Allaretina Mamaev, 1994
- Genus Allasomyia Nayar, 1944 accepted as Oligotrophus Latreille, 1804
- Genus Alliomyia Gagne, 2004
- Genus Allobremia Barnes, 1928
- Genus Allocontarinia Solinas, 1986
- Genus Allodiplosis Rübsaamen, 1910
- Genus Allodiplosis Kieffer & Jørgensen, 1910
- Genus Allomyia Felt, 1918 accepted as Oligotrophus Latreille, 1804
- Genus Allomyia Fedotova, 1991 accepted as Alliomyia Gagne, 2004
- Genus Almatamyia
- Genus Alocolpodia Fedotova & Sidorenko, 2007
- Genus Alycaulus Rübsaamen, 1916
- Genus Amaurosiphon Rübsaamen, 1910
- Genus Amblyspatha Kieffer, 1913
- Genus Amedia Jaschhof, 1997
- Genus Amediella Jaschhof in Jaschhof & Jaschhof, 2003
- Genus Ameliomyia Möhn, 1960
- Genus Amerhapha
- Genus Ametrodiplosis Rübsaamen, 1910
- Genus Ampelomyia Elsayed & Tokuda, 2019
- Genus Ampelosucta De Stefani, 1912
- Genus Amradiplosis Mani, 1947
- Genus Amraemyia Rao, 1950
- Genus Anabremia Kieffer, 1912
- Genus Anadiplosis Tavares, 1916
- Genus Anarete Haliday, 1833
- Genus Anaretella Enderlein, 1911
- Genus Anasphodiplosis Gagné, 1994
- Genus Anasphondylia Blanchard, 1939
- Genus Ancorepidosis Fedotova & Sidorenko, 2008
- Genus Ancylodiplosis Gagne, 1973
- Genus Andirodiplosis Tavares, 1920
- Genus Androdiplosis Felt, 1915
- Genus Androsacemyia Fedotova, 1992
- Genus Angeiomyia Kieffer, 1909
- Genus Angelinia Rondani, 1860 accepted as Planetella Westwood, 1840
- Genus Anisepidosis Fedotova & Sidorenko, 2005
- Genus Anisodiplosis Maia & Fernandes, 2005
- Genus Anisostephus Rübsaamen, 1917
- Genus Anjeerodiplosis Mani, 1938
- Genus Anocha Pritchard, 1948
- Genus Anodontoceras Yukawa, 1967
- Genus Ansifera Jaschhof, 2009
- Genus Antennardia Mamaev, 1993
- Genus Anthodiplosis Kieffer, 1912
- Genus Antichira Rübsaamen, 1910
- Genus Anulidiplosis Fedotova & Sidorenko, 2004
- Genus Apagodiplosis Gagne, 1973
- Genus Apamargamyia Sharma & Rao, 1978
- Genus Aphidoletes Kieffer, 1904
- Genus Aphodiplosis Gagne, 1973
- Genus Apiomyia Kieffer, 1912
- Genus Aplecus Kieffer, 1913
- Genus Aplonyx De Stefani Perez, 1908
- Genus Apodiplosis Tavares, 1922
- Genus Aposchizomyia Gagné in Gagné & Marohasy, 1993
- Genus Apriocryptus Mamaev & Berest, 1992
- Genus Apriona Kieffer, 1895 accepted as Aprionus Kieffer, 1894
- Genus Aprionus Kieffer, 1894
- Genus Arafavilla Mamaev & Mirumian, 1990
- Genus Arceuthomyia Kieffer, 1913 accepted as Oligotrophus Latreille, 1804
- Genus Arcivena Gagné, 1984
- Genus Arctepidosis Mamaev, 1990
- Genus Arenaromyia Fedotova, 1999
- Genus Aridofavilla Mamaev, 1972
- Genus Armatepidosis Fedotova & Sidorenko, 2007
- Genus Arnoldia Kieffer, 1895 accepted as Arnoldiola Strand, 1928
- Genus Arnoldiola Strand, 1928
- Genus Arrabiadaeamyia Maia, 2001
- Genus Artemisiobia Kovalev, 1967
- Genus Artemisiomyia Kovalev, 1972
- Genus Arthrocnodax Rübsaamen, 1895
- Genus Aschistonyx Rübsaamen, 1917
- Genus Asidiplosis
- Genus Asinapta Rondani, 1860 accepted as Asynapta Loew, 1850
- Genus Asiodiplosis Marikovskii, 1955 accepted as Halodiplosis Kieffer, 1912
- Genus Asphondilia Rondani, 1861 accepted as Asphondylia Loew, 1850
- Genus Asphondyla Schiner, 1856 accepted as Asphondylia Loew, 1850
- Genus Asphondylia Loew, 1850
- Genus Asphondyliidi
- Genus Asphotrophia Barnes in Williams, 1928
- Genus Asphoxenomyia Felt, 1927
- Genus Asteralobia Kovalev, 1964
- Genus Asteromyia Felt, 1910
- Genus Astictoneura Gagne, 1969
- Genus Astragalomyia Fedotova, 1993
- Genus Astrodiplosis Felt, 1913
- Genus Asycampta Mamaev & Zaitzev, 1997
- Genus Asycola Spungis, 1991
- Genus Asynapta Loew, 1850
- Genus Asyomyia
- Genus Athidiplosis Gagné & Marohasy, 1993
- Genus Atolasioptera Mohn, 1975
- Genus Atopodiplosis Gagne, 1997
- Genus Atraphaxiola Fedotova, 1986
- Genus Atrichosema Kieffer, 1904
- Genus Atylodiplosis Rübsaamen, 1910
- Genus Auritadiplosis Fedotova in Fedotova & Sidorenko, 2004
- Genus Austroacacidiplosis Kolesik in Kolesik & Adair, 2012
- Genus Austrodiplosis Brèthes, 1915
- Genus Austrolauthia Brèthes, 1915
- Genus Austrolopesia Kolesik, 1999
- Genus Autodiplosis
- Genus Avicolpodia Fedotova & Sidorenko, 2008 accepted as Stomatocolpodia Mamaev, 1990
- Genus Baccharomyia Tavares, 1917
- Genus Baeodiplosis Kieffer, 1913
- Genus Baeomyza Kieffer, 1913
- Genus Baeonotus
- Genus Bainidiplosis Mani, 1935
- Genus Baldratia Kieffer, 1897
- Genus Barnesina Pritchard, 1960
- Genus Basicondyla Parnell, 1971
- Genus Bayeria Rübsaamen, 1914
- Genus Bayeriola Gagné, 1991
- Genus Berberisomyia Kovalev, 1972 †
- Genus Berestella Fedotova & Perkovsky, 2007 †
- Genus Bernadottea Jaschhof & Jaschhof, 2018
- Genus Bertieria Kieffer, 1896
- Genus Bicornidiplosis Fedotova, 2003
- Genus Bimba
- Genus Blaesodiplosis Gagne, 1973
- Genus Blastodiplosis Kieffer, 1912
- Genus Blastomyia Kieffer, 1913
- Genus Bojalodiplosis Fedotova, 1985
- Genus Bothriochloamyia Rao & Sharma, 1977
- Genus Boucheella Rübsaamen, 1915
- Genus Bouchéella Rübsaamen, 1915 accepted as Boucheella Rübsaamen, 1915
- Genus Brachineura Rondani, 1840
- Species Brachineura alia Mamaev, 1994
- Species Brachineura apicata Mamaev, 1967
- Species Brachineura australis (Skuse, 1890)
- Species Brachineura eupatorii Felt, 1908
- Species Brachineura fuscogrisea Rondani, 1840
- Species Brachineura stylosa Mamaev, 1998
- Species Brachineura vitis Felt, 1908
- Genus Brachydiplosis Rübsaamen, 1910
- Genus Brachylasioptera Möhn, 1964
- Genus Brachyneura Agassiz, 1846 accepted as Brachineura Rondani, 1840
- Genus Brachyneura Oken, 1844 accepted as Brachineura Rondani, 1840
- Genus Brachyneurina Mamajev, 1967
- Genus Brachynevra Agassiz, 1846 accepted as Brachineura Rondani, 1840
- Genus Brassomyia Mitroshi & Fedoto, 1993
- Genus Braueriella Kieffer, 1896
- Genus Bremia Rondani, 1861
- Genus Bremiola Rübsaamen, 1916
- Genus Brephometra Strand, 1910 accepted as Meinertomyia Felt, 1911
- Genus Brethesia Maia, 2009
- Genus Brethesiamyia Maia, 2010
- Genus Brittenia Edwards, 1941
- Genus Bruggmannia Tavares, 1906
- Genus Bruggmanniella Tavares, 1909
- Genus Brugmanniella
- Genus Bryocrypta Kieffer, 1896
- Genus Bryomyia Kieffer, 1895
- Genus Buhriella Stelter, 1960
- Genus Buhromyiella Holz, 1970
- Genus Bulbepidosis Mamaev, 1990
- Genus Bungomyia Nayar, 1949
- Genus Burseramyia Möhn, 1960
- Genus Cacoplecus Kieffer, 1913
- Genus Calamomyia Gagne, 1969
- Genus Californicesa Koçak & Kemal, 2010
- Genus Calliperodiplosis Grover, 1979
- Genus Callitridiplosis Kolesik, 2000
- Genus Calmonia Tavares, 1917
- Genus Calodiplosis Tavares, 1908
- Genus Calopedila Kieffer, 1913
- Genus Calospatha Kieffer, 1913
- Genus Calyptradiplosis Fedotova in Fedotova & Sidorenko, 2004
- Genus Camillemyia Gagné, 2023
- Genus Campilomiza Rondani, 1840 accepted as Campylomyza Meigen, 1818
- Genus Camptodiplosis Kieffer, 1912
- Genus Camptomyia Kieffer, 1894
- Genus Camptoneuromyia Felt, 1908
- Genus Camptoza Enderlein, 1936 accepted as Peromyia Kieffer, 1894
- Genus Campylomyia Zetterstedt, 1842 accepted as Campylomyza Meigen, 1818
- Genus Campylomyza Meigen, 1818
- Genus Campyloneura Lengersdorf, 1939 accepted as Polyardis Pritchard, 1947
- Genus Careopalpis Marikovskii, 1961
- Genus Carinatidiplosis Fedotova & Sidorenko, 2004
- Genus Carpodiplosis Kjellander, 1945
- Genus Cartodiplosis Gagne, 1973
- Genus Caryadiplosis Gagné, 2008
- Genus Caryomyia Felt, 1909
- Genus Cassidioides
- Genus Cassidoides Mamaev, 1960
- Genus Catarete Edwards, 1929
- Genus Cathoca Bigot, 1854 accepted as Catocha Haliday, 1833
- Genus Cathocha Bigot, 1854 accepted as Catocha Haliday, 1833
- Genus Catocha Haliday, 1833
- Genus Catotricha Edwards, 1938
- Genus Cecidomia Rondani, 1840 accepted as Cecidomyia Meigen, 1803
- Genus Cecidomyella del Guercio, 1919
- Genus Cecidomyia Meigen, 1803
- Genus Cecidomyiella
- Genus Cecidomyiidi
- Genus Cecidomyza Zetterstedt in Oken, 1837 accepted as Cecidomyia Meigen, 1803
- Genus Cecidophila Rübsaamen, 1916
- Genus Cedrocrypta Kieffer, 1919
- Genus Celticecis Gagné, 1983
- Genus Cembrotia Gagné, 2013
- Genus Centrodiplosis Kieffer, 1910
- Genus Cephalaromyia Skuhravá in Skuhravá & Karimpour, 2017
- Genus Ceratomyia Felt, 1911
- Genus Ceratomyia Fedotova, 1991
- Genus Cerciplanus Garcia & Urso-Guimarães, 2020
- Genus Cervuatina Berest, 1993
- Genus Chaetodiplosis Kieffer, 1913
- Genus Chamaediplosis Gagné in Gagné & Duncan, 1990
- Genus Chanchudiplosis Grover & Madhu Bakhshi, 1978
- Genus Charidiplosis Tavares, 1918
- Genus Chastomera Skuse, 1888
- Genus Chauliodontomyia Gagne, 1969
- Genus Chelobremia Kieffer, 1912
- Genus Chiliodiplosis Möhn, 1955
- Genus Chilophaga Gagne, 1969
- Genus Choristoneura Rübsaamen, 1892 accepted as Trotteria Kieffer, 1902
- Genus Chrybaneura Gagne, 1968
- Genus Chrysodiplosis Kieffer, 1911
- Genus Cincticornia Felt, 1908
- Genus Cingola Fedotova & Sidorenko, 2006
- Genus Clarumreddera Fedotova & Perkovsky, 2011 †
- Genus Claspettomyia Grover, 1964
- Genus Cleitodiplosis Tavares, 1921
- Genus Cleodiplosis Felt, 1922
- Genus Clinodiplosis Kieffer, 1894
- Genus Clinophaena Kieffer, 1913
- Genus Clinorhiza Kieffer, 1894
- Genus Clinorhyncha Loew, 1850
- Genus Clinorhytis Kieffer, 1896
- Genus Clinorrhyncha Kertész, 1902
- Genus Clinoryncha
- Genus Clusiamyia Maia, 1997
- Genus Coccidomyia Felt, 1911
- Genus Coccodiplosis de Meyere, 1917
- Genus Coccomorpha Rübsaamen, 1899
- Genus Coccomyza Del Guercio, 1918
- Genus Coccopsilis Harris, 2004
- Genus Coccopsis Meijere, 1901
- Genus Coelodiplosis Kieffer, 1913
- Genus Cognitepidosis Fedotova & Sidorenko, 2005
- Genus Collinia Kieffer, 1912 accepted as Collula Strand, 1928
- Genus Collula Strand, 1928
- Genus Colluta Strand, 1932 accepted as Collula Strand, 1928
- Genus Colomyia Kieffer, 1892
- Genus Colpodia Winnertz, 1853
- Genus Compositola Fedotova & Sidorenko, 2006
- Genus Compsodiplosis Tavares, 1909
- Genus Conarete Pritchard, 1951
- Genus Coniophora Nijveldt, 1959
- Genus Conodiplosis Kieffer, 1913
- Genus Contarinia Rondani, 1860
- Genus Contarinomyia Fedotova, 1991
- Genus Copinolasioptera Mohn, 1975
- Genus Coprodiplosis Kieffer, 1894
- Genus Coquillettomyia Felt, 1908
- Genus Cordiamyia
- Genus Cordylodiplosis Gagne, 1973
- Genus Cordylomyia Felt, 1911
- Genus Corinthomyia Felt, 1911
- Genus Cornistyla Fedotova & Sidorenko, 2006 accepted as Brachineura Rondani, 1840
- Genus Costadiplosis Viceconte & Maia, 2009
- Genus Cotoneasteromyia Fedotova, 1991
- Genus Couridiplosis Maia, 2004
- Genus Courteia Kieffer & van Leeuwen-Reijnvaan, 1910
- Genus Craneiobia Kieffer, 1913
- Genus Crenuatus Berest, 1992
- Genus Crespinella accepted as Micromya Rondani, 1840
- Genus Crespiniella Kieffer, 1924 accepted as Micromya Rondani, 1840
- Genus Cretadicerura Azar & Nel, 2020 †
- Genus Cretocatocha Gagne, 1977
- Genus Cretocordylomyia Gagne, 1977
- Genus Cretohaplusia Arillo & Nel, 2000
- Genus Cretomiastor Gagné, 1977 †
- Genus Cretowinnertzia Gagne, 1977
- Genus Crustepidosis Fedotova & Sidorenko, 2008
- Genus Cryptobremia Kieffer, 1912
- Genus Cryptodontomyia Jaschhof & Jaschhof, 2013
- Genus Cryptolanthia
- Genus Cryptoneurus Mamaev, 1964
- Genus Cryptoxylomyia Mamaev in Mamaev & Zaitzev, 1998
- Genus Cryptoxylomyia Mamaev, 1995
- Genus Ctenodactylomyia Felt, 1915
- Genus Ctenodiplosis Kieffer, 1913
- Genus Cupressatia Gagné, 2013
- Genus Cylophora Kieffer, 1913
- Genus Cystiphora Kieffer, 1892
- Genus Cystodiplosis Kieffer, 1910
- Genus Dactylasioptera Kolesik & Veenstra-Quah, 2008
- Genus Dactylodiplosis Rübsaamen, 1916
- Genus Daedalidiplosis Fedotova & Sidorenko, 2004
- Genus Dallaiella Mamaev, 1996
- Genus Daphnephila Kieffer, 1905
- Genus Dasineura Rondani, 1840
- Genus Dasineurha
- Genus Dasyneura Oken, 1844 accepted as Dasineura Rondani, 1840
- Genus Dasyneuriola Marikovskii, 1961
- Genus Dasynevra Agassiz, 1846 accepted as Dasineura Rondani, 1840
- Genus Delodiplosis Tavares, 1908
- Genus Delphodiplosis Felt, 1915
- Genus Dendrepidosis Mamaev, 1990
- Genus Dentepidosis Mamaev, 1990
- Genus Dentifibula Felt, 1908
- Genus Desertepidosis Mamaev & Soyunov, 1989
- Genus Desertomyia Marikovskii in Marikovskii & Seitova, 1975
- Genus Desertovelum Mamaev, 1972
- Genus Diadiplosis Felt, 1911
- Genus Dialeria Tavares, 1918
- Genus Diallactes Kieffer, 1894
- Genus Diallactia Gagné, 2004
- Genus Diarthronomyia Felt, 1908
- Genus Diathronomyia Coquillett, 1910 accepted as Diarthronomyia Felt, 1908
- Genus Dibaldratia Kieffer, 1913
- Genus Dicerura Kieffer, 1898
- Genus Dichaetia
- Genus Dichelomyia Rübsaamen, 1892
- Genus Dichelonyx Rübsaamen, 1914 accepted as Rhopalomyia Rübsaamen, 1892
- Genus Dichodiplosis Rübsaamen, 1910
- Genus Dichrodiplosis Coquillett, 1910 accepted as Dicrodiplosis Kieffer, 1895
- Genus Dichrona Rübsaamen, 1899
- Genus Dicrodiplosis Kieffer, 1895
- Genus Dicroneurus Kieffer, 1895
- Genus Dictyomyia Tavares, 1919
- Genus Didactylomyia Felt, 1911
- Genus Dimocarpomyia Tokuda & Yukawa, 2008
- Genus Diomyza Meigen, 1818 accepted as Lasioptera Meigen, 1818
- Genus Diplecus Kieffer, 1913
- Genus Diplodontomyia Rao, 1951
- Genus Diplosiola Solinas, 1966
- Genus Diplosis Loew, 1850
- Genus Dirhiza Loew, 1850
- Genus Dirhyza Rondani, 1861 accepted as Dirhiza Loew, 1850
- Genus Dissimilidiplosis Fedotova & Sidorenko, 2005
- Genus Distinctamyia Proença & Maia, 2021
- Genus Divellepidosis Fedotova & Sidorenko, 2007
- Genus Dolerepidosis Fedotova & Sidorenko, 2005
- Genus Dolicholabis Tavares, 1918
- Genus Domolasioptera Mohn, 1975
- Genus Doxodiplosis Kieffer, 1912
- Genus Dracunculomyia Fedotova, 1999
- Genus Drisina Giard, 1894
- Genus Dryomyia Kieffer, 1898
- Genus Dyodiplosis Rübsaamen, 1910
- Genus Dyomiza Bigot, 1854 accepted as Diomyza Meigen, 1818
- Genus Echinella Mamaev, 1965
- Genus Edestochilus Gagne, 1969
- Genus Edestosperma Gagne, 1969
- Genus Efferatodiplosis Fedotova & Sidorenko, 2006
- Genus Effusomyia Fedotova, 2004 accepted as Pararhizomyia Mamaev, 1998
- Genus Ekmanomyia Jaschhof & Jaschhof, 2013
- Genus Elachypalpus Maia & Nava, 2011
- Genus Electroxylomyia Nel & Prokop, 2006 †
- Genus Eleniella Berest, 2001
- Genus Eltxo Arillo & Nel, 2000
- Genus Emarginatodiplosis Fedotova, 2003
- Genus Enallodiplosis Gagné, 1994
- Genus Endaphis Kieffer, 1896
- Genus Endopsylla Meijere, 1907
- Genus Enigmadiplosis Harris, 2016
- Genus Eocincticornia Felt, 1915
- Genus Eohormomyia Felt, 1915
- Genus Eomastix Jaschhof & Jaschhof, 2009
- Genus Ephedromyia
- Genus Epicalamus Sylven in Sylven, Hellqvist, Sellerholm & Tastas-Duque, 1997
- Genus Epicola Spungis, 1991
- Genus Epidiplosis Felt, 1908
- Genus Epidosis Loew, 1850
- Genus Epihormomyia Felt, 1915
- Genus Epilasioptera Möhn, 1964
- Genus Epimyia Felt, 1911
- Genus Epimyiella Mamajev, 1967
- Genus Epitoxepidosis Fedotova & Sidorenko, 2007 accepted as Divellepidosis Fedotova & Sidorenko, 2007
- Genus Epourenia Rapp, 1946
- Genus Eriophyes
- Genus Erosomyia Felt, 1911
- Genus Etsuhoa Inouye, 1959
- Genus Euasteralobia Kovalev, 1964
- Genus Eucalyptodiplosis Kolesik in Kolesik, Taylor & Kent, 2002
- Genus Eucatocha Edwards, 1938
- Genus Eudictyomyia Tavares, 1920
- Genus Eudiplosis Tavares, 1916
- Genus Eudokimyia Fedotova & Sidorenko, 2005
- Genus Eugeniamyia Maia, Mendonca & Romanowski, 1997 accepted as Maiamyia Evenhuis, 2022
- Genus Eumerosema Kieffer, 1913
- Genus Euphorbomyia Fedotova, 1994
- Genus Excrescentia Mamaev & Berest, 1991
- Genus Exiguidiplosis Fedotova & Sidorenko, 2004
- Genus Exipsofonta Fedotova, 2012
- Genus Exopsyllomyia Mamaev, 1972
- Genus Fabomyia Fedotova, 1991
- Genus Falciformidiplosis Fedotova, 2003
- Genus Faristodiplosis Fedotova & Sidorenko, 2006
- Genus Farquharsonia Collin, 1922
- Genus Faucistyla Fedotova & Sidorenko, 2007 accepted as Divellepidosis Fedotova & Sidorenko, 2007
- Genus Feltiella Rübsaamen, 1910
- Genus Feltomyia Alexander, 1936 accepted as Feltomyina Alexander, 1937
- Genus Feltomyina Alexander, 1937
- Genus Fernandesia Rodrigues & Maia, 2013
- Genus Ferovisenda
- Genus Ficiomyia Felt, 1922
- Genus Filidiplosis Fedotova, 2003
- Genus Fimbriatodiplosis Fedotova in Fedotova & Sidorenko, 2004
- Genus Fissuratidiplosis Fedotova & Sidorenko, 2004
- Genus Fitofaga Rondani, 1840 accepted as Phytophaga Rondani, 1840
- Genus Flexipidiplosis Fedotova & Sidorenko, 2009
- Genus Forbesomyia Malloch, 1914
- Genus Foveoladiplosis Fedotova in Fedotova & Sidorenko, 2004
- Genus Frauenfeldiella Rübsaamen, 1905
- Genus Frirenia Kieffer, 1894
- Genus Furcepidosis Mamaev, 1990
- Genus Furcinerva Rondani, 1846 accepted as Catocha Haliday, 1833
- Genus Furcinevra Bigot, 1854 accepted as Furcinerva Rondani, 1846
- Genus Fushuniola Fedotova & Perkovsky, 2022 †
- Genus Gagnea Jaschhof, 2001
- Genus Galatellomyia Fedotova, 2003
- Genus Galeidiplosis Fedotova & Sidorenko, 2006
- Genus Gardenforsia Jaschhof & Jaschhof, 2019
- Genus Geisenheyneria Rübsaamen, 1910
- Genus Gemmidiplosis Fedotova, 1992
- Genus Genioloca Fedotova, 2012
- Genus Genista Bigot, 1854 accepted as Lasioptera Meigen, 1818
- Genus Geocrypta Kieffer, 1913
- Genus Geodiplosis Kieffer, 1909
- Genus Geomyia Skuhravá, 2006
- Genus Gephyraulus Rübsaamen, 1915
- Genus Geraldesia Tavares, 1917
- Genus Geraniomyia Fedotova, 1991
- Genus Geromyia Coutin & Harris, 1969
- Genus Gersonomyia Nijveldt, 1965
- Genus Ghesquierinia Barnes, 1939
- Genus Giardomyia Felt, 1908
- Genus Gigantodiplosis Fedotova in Fedotova & Sidorenko, 2004
- Genus Gillotiella Kieffer, 1924
- Genus Giraudiella Rübsaamen, 1916
- Genus Gisonobasis Rübsaamen, 1916
- Genus Gladiodiplosis Kolesik, 2000
- Genus Glemparon Jaschhof & Jaschhof, 2013
- Genus Glenodiplosis Gagne, 1973
- Genus Gliaspilota Gagné, 2008
- Genus Glomepidosis Fedotova & Sidorenko, 2008
- Genus Glomerulidiplosis Fedotova, 2003
- Genus Glossostyles Jaschhof & Sikora, 2017
- Genus Gnesiodiplosis Tavares, 1917
- Genus Gobidiplosis Mamaev, 1972
- Genus Golanudiplosis Grover & Prasad, 1968
- Genus Gongrodiplosis Gagne, 1973
- Genus Gongromastix Enderlein, 1936
- Genus Gonioclema Skuse, 1888
- Genus Gratomyia Fedotova & Perkovsky, 2008 †
- Genus Grisepidosis Mamaev, 1968
- Genus Groveriella Mamaev, 1978
- Genus Groveromyia Fedotova & Perkovsky, 2012 †
- Genus Guareamyia Maia, 2007
- Genus Guarephila Tavares, 1909
- Genus Guerciobremia Barnes, 1927
- Genus Guignonia Kieffer, 1912
- Genus Gybbosidiplosis Fedotova, 2003
- Genus Gynandrobremia
- Genus Gynapteromyia
- Genus Gynodiplosis Felt, 1927
- Genus Gypsophillomyia Fedotova, 1991
- Genus Hadrobremia Kieffer, 1912
- Genus Halimodendromyia
- Genus Hallomyia Kieffer, 1912
- Genus Halocnemomyia
- Genus Halodiplosis Kieffer, 1912
- Genus Haloxylonomyia Marikovskii, 1953
- Genus Haloxylophaga Marikovskii, 1955
- Genus Halteromyia Grover, 1979
- Genus Haplopalpus Rübsaamen, 1916
- Genus Haplusia Karsch, 1877
- Genus Haplusiella Rao, 1952
- Genus Harmandia Kieffer, 1896
- Genus Harmandiola Skuhrava, 1997
- Genus Harpomyia Felt, 1916
- Genus Harrisiana Fedotova, 1992
- Genus Harrisiana Fedotova, 1993
- Genus Harrisomyia Skuhrava in Skuhrava & Skuhravy, 1986
- Genus Hasegawaia Monzen, 1955
- Genus Helicomyia Rübsaamen, 1916
- Genus Heliodiplosis Felt, 1918
- Genus Hemiasphondylia Möhn, 1960
- Genus Henria Wyatt, 1959
- Genus Herbomyia Möhn, 1955
- Genus Heterasphondylia Möhn, 1960
- Genus Heterobremia Felt, 1920
- Genus Heterocontarinia Hardy, 1960
- Genus Heterodiplosis Maia, 2010
- Genus Heterogenella Mamaev, 1963
- Genus Heteropezina Pritchard, 1960
- Genus Heteropezula Wyatt, 1967
- Genus Heterostylidiplosis Fedotova in Fedotova & Sidorenko, 2004
- Genus Hiastatus Marikovskií, 1956
- Genus Hilversidia Mamaev, 1966
- Genus Hintelmannomyia Jaschhof, 2010
- Genus Holobremia Kieffer, 1912
- Genus Holodiplosis Kieffer, 1913
- Genus Holoneura Kieffer, 1894 accepted as Holoneurus Kieffer, 1895
- Genus Holoneurus Kieffer, 1895
- Genus Homobremia Kieffer, 1912
- Genus Horidiplosis Felt, 1920
- Genus Hormomyia Loew, 1850
- Genus Hormosomyia Felt, 1919
- Genus Houardiella Kieffer, 1912
- Genus Houardodiplosis Tavares, 1925
- Genus Huradiplosis
- Genus Hybolasioptera Rübsaamen, 1915
- Genus Hygrodiplosis Kieffer, 1912
- Genus Hyperdiplosis Felt, 1908
- Genus Hypodiplosis Kieffer, 1913
- Genus Hypogeadiplosis Gagné, 2018
- Genus Hypoprodiplosis Fedotova & Sidorenko, 2004
- Genus Ilidiplosis Fedotova, 1992
- Genus Illiciomyia Tokuda, 2004
- Genus Inclinatidiplosis Fedotova & Sidorenko, 2004
- Genus Incolasioptera Mohn, 1975
- Genus Incrementistyla Fedotova & Sidorenko, 2007
- Genus Indodiplosis Felt, 1916
- Genus Insulestremia Jaschhof, 2004
- Genus Intranerviola Fedotova, 1986
- Genus Inulomyia Stelter in Stelter & Buhr, 1965
- Genus Ipomyia Colless, 1965
- Genus Ipsseptemmyia Fedotova & Perkovsky, 2019 †
- Genus Ischnonyx Rübsaamen, 1916
- Genus Isobremia Kieffer, 1912
- Genus Isocolpodia Parnell, 1971
- Genus Isodiplosis Rübsaamen, 1910
- Genus Isogynandromyia Spungis, 1981
- Genus Isolasioptera Möhn, 1964
- Genus Isosandalum Kieffer, 1913
- Genus Iteomyia Kieffer, 1913
- Genus Itonida Meigen, 1800
- Genus Izeniola Fedotova, 1985
- Genus Jaapiella Rübsaamen, 1916
- Genus Jaapiola Rübsaamen, 1914
- Genus Jamalepidosis
- Genus Janetia Kieffer, 1896
- Genus Janetiella Kieffer, 1898
- Genus Jeannellomyia Kieffer in Alluaud & Jeannel, 1913
- Genus Joanissia Felt, 1908 accepted as Joannisia Kieffer, 1894
- Genus Joannisia Kieffer, 1894
- Genus Jorgenseniella Maia, Constantino & Monteiro, 2005
- Genus Kalidiomyia Fedotova, 1984
- Genus Kalodiplosis Felt, 1915
- Genus Kaltenbachiella Rübsaamen, 1916
- Genus Kaltenbachiola Rübsaamen & Hedicke, 1938
- Genus Kamptodiplosis Felt, 1918
- Genus Karschomyia Curran, 1934 accepted as Karshomyia Felt, 1908
- Genus Karshomyia Felt, 1908
- Genus Kiefferia Mik, 1895
- Genus Kiefferiola Tavares, 1920
- Genus Kimadiplosis Gagné in Gagné & Marohasy, 1993
- Genus Kitella Deshpande, Shaikh & Sharma, 2005
- Genus Kittada Agarwal, 1956
- Genus Kochiomyia Mamaev, 1988
- Genus Konisomyia Felt, 1914
- Genus Kovaleviola Fedotova & Perkovsky, 2008 †
- Genus Krassiloviola Fedotova & Perkovsky, 2017 †
- Genus Kronodiplosis Felt, 1918
- Genus Kronomyia Felt, 1911
- Genus Labiatomyia Fedotova, 1987
- Genus Ladopyris Jaschhof & Jaschhof, 2020
- Genus Lamellepidosis Mamaev, 1990
- Genus Lamprodiplosis Kieffer, 1912
- Genus Lanepidosis Fedotova & Sidorenko, 2008 accepted as Neurepidosis Spungis, 1987
- Genus Lanidiplosis Fedotova in Fedotova & Sidorenko, 2004
- Genus Larimyia Fedotova & Sidorenko, 2007
- Genus Lasiodiplosis Kieffer, 1912
- Genus Lasioptera Meigen, 1818
- Genus Lasiopteryx Stephens, 1829 accepted as Lasioptera Meigen, 1818
- Genus Lathryromyza Rübsaamen, 1915 accepted as Lathyromyza Rübsaamen, 1915
- Genus Lathyromyza Rübsaamen, 1915
- Genus Laubertia Rübsaamen, 1914
- Genus Lauthia Kieffer, 1912
- Genus Laxadiplosis Fedotova & Sidorenko, 2009
- Genus Lebanowinnertzia Azar & Nel, 2020 †
- Genus Ledomepidosis Fedotova & Sidorenko, 2007
- Genus Ledomyia Kieffer, 1895
- Genus Ledomyiella Meunier, 1904
- Genus Leefmansiella Kolesik & Gagné, 2020
- Genus Lepidiomyia Fedotova, 1992
- Genus Lepidobremia Kieffer, 1912
- Genus Lepidodiplosis Kieffer, 1911
- Genus Lepidodiplosis Kieffer, 1912
- Genus Lepidomyia Kieffer, 1894 accepted as Ledomyia Kieffer, 1895
- Genus Leptodiplosis Kieffer, 1894
- Genus Leptosyna Kieffer, 1894
- Genus Lestodiplosis Kieffer, 1894
- Genus Lestremia Macquart, 1826
- Genus Lestremya Rondani, 1856 accepted as Lestremia Macquart, 1826
- Genus Lianodiplosis Fedotova & Sidorenko, 2006
- Genus Libanoclinorrhytis Azar & Nel, 2020 †
- Genus Libanohilversidia Azar & Nel, 2020 †
- Genus Liebeliola Kieffer in Kieffer & Joergensen, 1910
- Genus Ligulodiplosis Fedotova & Sidorenko, 2006
- Genus Linterodiplosis Fedotova & Sidorenko, 2010
- Genus Liodiplosis Gagne in Gagne, Oda & Monteiro, 2001
- Genus Litchiomyia Yang in Yang & Luo, 1999
- Genus Lithomyza Scudder, 1877
- Genus Lobodiplosis Felt, 1908
- Genus Lobolasioptera Möhn, 1964
- Genus Lobopedosis Fedotova & Sidorenko, 2005
- Genus Lobopterombia
- Genus Lobopteromyia Felt, 1908
- Genus Loborrhizomyia Jiao, Wang & Bu, 2019
- Genus Locusepidosis Fedotova & Sidorenko, 2007
- Genus Loewiola Kieffer, 1896
- Genus Loewodiplosis Kieffer, 1912
- Genus Lopesia Rübsaamen in Tavares, 1908
- Genus Lopesiella Tavares, 1908
- Genus Lophodiplosis Gagne in Gagne, Balciunas & Burrows, 1997
- Genus Lowiola
- Genus Lowodiplosis Kieffer, 1912 accepted as Loewodiplosis Kieffer, 1912
- Genus Löwodiplosis Kieffer, 1912 accepted as Loewodiplosis Kieffer, 1912
- Genus Luisieria Tavares, 1922
- Genus Luzonomyia Felt, 1918
- Genus Lyciomyia Kieffer in Kieffer & Joergensen, 1910
- Genus Lygocecis Gagne, 1975
- Genus Macarangamyia Elsayed & Tokuda, 2018
- Genus Machaeriobia Rübsaamen, 1916
- Genus Macrodiplosis Kieffer, 1895
- Genus Macrolabis Kieffer, 1892
- Genus Macroporpa Rübsaamen, 1916
- Genus Magadiplosis Fedotova & Sidorenko, 2009
- Genus Maiamyia Evenhuis, 2022
- Genus Mamaevia Skuhrava, 1967
- Genus Mamaeviana Fedotova, 1992
- Genus Mangodiplosis Tavares, 1918
- Genus Manilkaramyia Maia, 2001
- Genus Marikovskiana Fedotova, 1993
- Genus Marikovskiana Fedotova, 1992
- Genus Marikovskidiplosis Fedotova & Sidorenko, 2009
- Genus Marilasioptera Mohn, 1975
- Genus Masakimyia Yukawa & Sunose, 1976
- Genus Massalongia Kieffer, 1897
- Genus Mayetia Kieffer, 1896 accepted as Mayetiola Kieffer, 1896
- Genus Mayetiola Kieffer, 1896
- Genus Mayteniella Maia, 2001
- Genus Megauchomyia Felt, 1928
- Genus Megaulus Rübsaamen, 1916
- Genus Megommata Barnes, 1939
- Genus Meinertomyia Felt, 1911
- Genus Mesodiplosis Kolesik, 2000
- Genus Mesospathia
- Genus Mesotrichoca Jaschhof & Jaschhof, 2008
- Genus Metadiplosis Felt, 1908
- Genus Metasphondylia Tavares, 1918
- Genus Meterdiplosis Barnes, 1927
- Genus Meunieria Rübsaamen, 1905 accepted as Meunieriella Kieffer, 1909
- Genus Meunieria Kieffer, 1904
- Genus Meunieriella Kieffer, 1909
- Genus Mexicanodiplosis Fedotova & Perkovsky, 2019 †
- Genus Miastor Meinert, 1864
- Genus Micrasiodiplosis Mamaeva, 1980
- Genus Microcerata Felt, 1908
- Genus Microcordylomyia Mamaev & Mohrig, 1975
- Genus Microdiplosis Tavares, 1908
- Genus Micromya Rondani, 1840
- Genus Micromyia Oken, 1844 accepted as Micromya Rondani, 1840
- Genus Microperrisia Kieffer, 1912
- Genus Microplecus Kieffer, 1913
- Genus Micropteromyia Mamaev, 1960
- Genus Mikaniadiplosis Gagne in Gagne, Oda & Monteiro, 2001
- Genus Mikiella Rübsaamen, 1916 accepted as Neomikiella Rübsaamen & Hedicke, 1938
- Genus Mikiola Kieffer, 1896
- Genus Mikomya Kieffer, 1912
- Genus Mimosciara Rondani, 1840 accepted as Catocha Haliday, 1833
- Genus Miombomyia Jaschhof, 2023
- Genus Mirabilidiplosis Fedotova, 2003
- Genus Misocosmus Kieffer, 1913
- Genus Misospatha Kieffer, 1913
- Genus Mitodiplosis Kieffer, 1914
- Genus Moehniella
- Genus Mohwadiplosis Rao, 1957
- Genus Molobrea Bigot, 1854 accepted as Molobraea Loew, 1850
- Genus Monardia Kieffer, 1895
- Genus Monarthropalpus Rübsaamen, 1892
- Genus Monarthropselaphus Marikovskii, 1957
- Genus Monepidosis Mamaev, 1966
- Genus Monilipennella Del Guercio, 1918
- Genus Monobremia Kieffer, 1912
- Genus Monocolpodia Mamaev, 1990
- Genus Monodicrana Loew, 1850
- Genus Monodicrania Schiner, 1868 accepted as Monodicrana Loew, 1850
- Genus Monodricana Bigot, 1854 accepted as Monodicrana Loew, 1850
- Genus Montosidiplosis Fedotova & Sidorenko, 2005
- Genus Moreschiella Del Guercio, 1918
- Genus Muirodiplosis Grover, 1965
- Genus Mycetodiplosis Kieffer, 1912
- Genus Mycocecis Edwards, 1922
- Genus Mycodiplosis Rübsaamen, 1895
- Genus Mycophila Felt, 1911
- Genus Mycopriona
- Genus Myrciamyia Maia, 1996
- Genus Myrciariamyia Maia, 1995
- Genus Myricomyia Kieffer, 1901
- Genus Nanodiplosis Kieffer, 1913
- Genus Nascensluna Fedotova & Perkovsky, 2014 †
- Genus Navasia Tavares, 1919 accepted as Rhopalomyia Rübsaamen, 1892
- Genus Navasiella Tavares, 1919
- Genus Navasodiplosis Tavares, 1920
- Genus Nebulepidosis Fedotova & Sidorenko, 2008
- Genus Necrophlebia Skuse, 1888
- Genus Neobaeomyza Brèthes, 1915
- Genus Neocatocha Felt, 1912
- Genus Neocerata Coquillett, 1900
- Genus Neocolpodia
- Genus Neodasyneuriola Marikovskii, 1958
- Genus Neohaplusia Rao, 1951
- Genus Neoisodiplosis Holz, 1970
- Genus Neolasioptera Felt, 1908
- Genus Neolestremia Mani, 1934
- Genus Neomikiella Rübsaamen & Hedicke, 1938
- Genus Neomitranthella Maia, 1996
- Genus Neomycodiplosis Holz, 1970
- Genus Neoprotoplonyx Rao, 1952
- Genus Neostenoptera Meunier, 1902
- Genus Neosynepidosis Parnell, 1971
- Genus Neotetraneuromyia Spungis, 1987
- Genus Neptunimyia Felt, 1912
- Genus Nescitodiplosis Fedotova & Sidorenko, 2009 accepted as Coquillettomyia Felt, 1908
- Genus Neurepidosis Spungis, 1987
- Genus Neurolasioptera Brèthes, 1922
- Genus Neurolyga Rondani, 1840
- Genus Neuromyia Felt, 1911
- Genus Nevrolyga Agassiz, 1846 accepted as Neurolyga Rondani, 1840
- Genus Nikandria Mamaev, 1964
- Genus Niladmirara Fedotova, 2018
- Genus Nipponodiplosis Harris, 1968
- Genus Nodalistyla Fedotova & Sidorenko, 2006
- Genus Normanbyomyia Kolesik, 2006
- Genus Nouryodiplosis Tavares, 1930
- Genus Novocalmonia Özdikmen, 2009
- Genus Obolodiplosis Felt, 1908
- Genus Obryzepidosis Fedotova & Sidorenko, 2007
- Genus Obviodiplosis Fedotova & Sidorenko, 2009 accepted as Coquillettomyia Felt, 1908
- Genus Occuloxenium Mamaev, 1973
- Genus Ochnephila Kieffer, 1914
- Genus Octodiplosis Giard, 1894
- Genus Odinadiplosis Mani, 1935
- Genus Odontodiplosis Felt, 1908
- Genus Odontokeros Garcia, Lamas & Urso-Guimarães, 2020
- Genus Oelandyla Jaschhof & Jaschhof, 2020
- Genus Ogdodiplosis Fedotova in Fedotova & Sidorenko, 2004
- Genus Okriomyia Kolesik, 1998
- Genus Oleisicoccus
- Genus Olesicoccus Borgmeier, 1931
- Genus Oligarces Meinert, 1865
- Genus Oligotrophus Latreille, 1804
- Genus Oligoxenomyia Felt, 1927
- Genus Ollaediplosis Fedotova & Sidorenko, 2004
- Genus Olpodiplosis Gagne, 1973
- Genus Onodiplosis Felt, 1916
- Genus Operirus Berest, 1992
- Genus Ophelmodiplosis Kolesik in Kolesik, Brown, Purcell & Taylor, 2012
- Genus Opinatodiplosis Fedotova in Fedotova & Sidorenko, 2004
- Genus Oribremia Kieffer, 1913
- Genus Orodiplosis Fedotova & Sidorenko, 2010
- Genus Orseolia Kieffer & Massalongo, 1902
- Genus Orseoliella Kieffer, 1912
- Genus Orthodiplosis Kieffer, 1913
- Genus Ouradiplosis Felt, 1915
- Genus Ovillidiplosis Fedotova & Sidorenko, 2010
- Genus Oxasphondylia Felt, 1915
- Genus Oxycephalomyia Tokuda & Yukawa in Tokuda, Nohara, Yukawa, Usuba & Yukinari, 2004
- Genus Oxyrhynchus Agassiz, 1845 accepted as Ozirhincus Rondani, 1840
- Genus Oxyrhyncus Rondani, 1856 accepted as Ozirhincus Rondani, 1840
- Genus Oxyrincus Lioy, 1864 accepted as Ozirhincus Rondani, 1840
- Genus Oxyrrhynchus Walker, 1856 accepted as Ozirhincus Rondani, 1840
- Genus Oziorhincus Schiner, 1868 accepted as Ozirhincus Rondani, 1840
- Genus Oziorhyncus Kertész, 1902 accepted as Ozirhincus Rondani, 1840
- Genus Ozirchyncus Kertész in Becker-Kertész, 1903 accepted as Ozirhincus Rondani, 1840
- Genus Ozirhinchus Kieffer, 1901 accepted as Ozirhincus Rondani, 1840
- Genus Ozirhincus Rondani, 1840
- Genus Ozirhynchus Walker, 1856 accepted as Ozirhincus Rondani, 1840
- Genus Ozirhyncus Rondani, 1846 accepted as Ozirhincus Rondani, 1840
- Genus Ozobia Kieffer, 1913
- Genus Ozyrhinchus Rondani, 1861 accepted as Ozirhincus Rondani, 1840
- Genus Ozyrhynchus Neave, 1940 accepted as Ozirhincus Rondani, 1840
- Genus Pachydiplosis Kieffer, 1913
- Genus Pachylabis Panelius, 1965
- Genus Palaeocolpodia Meunier, 1904
- Genus Palaeospaniocera Meunier, 1901
- Genus Pallidepidosis Mamaev & Zaitzev, 1996
- Genus Palmatodiplosis Fedotova in Fedotova & Sidorenko, 2004
- Genus Paneliusia Jaschhof & Jaschhof, 2013
- Genus Panteliola Kieffer, 1913
- Genus Paracolpodia Parnell, 1971
- Genus Paradiplosis Felt, 1908
- Genus Paragephyraulus Solinas, 1982
- Genus Parallelodiplosis Rübsaamen, 1910
- Genus Parametasphondylia Maia & Santos, 2007
- Genus Pararete Pritchard, 1951
- Genus Pararhizomyia Mamaev, 1998
- Genus Parasphondylia Kieffer, 1913
- Genus Parasynapta Panelius, 1965
- Genus Paratetraneuromyia Spungis, 1987
- Genus Parawinnertzia Curran, 1934 accepted as Parwinnertzia Felt, 1920
- Genus Parazalepidota Maia, 2001
- Genus Parepidosis Kieffer, 1912
- Genus Parkiamyia Maia & Fernandes, 2006
- Genus Parvovirga Jaschhof & Jaschhof, 2013
- Genus Parwinnertzia Felt, 1920
- Genus Paulliniamyia Maia, 2001
- Genus Paurodyla Jaschhof & Jaschhof, 2013
- Genus Pectinodiplosis Felt, 1918
- Genus Pekinomyia Jiao & Kolesik, 2020
- Genus Pelodiplosis Möhn, 1955
- Genus Peracecis Gagné, 2013
- Genus Perasphondylia Möhn, 1960
- Genus Pernettyella Kieffer in Kieffer & Herbst, 1909
- Genus Pero Meinert, 1870 accepted as Meinertomyia Felt, 1911
- Genus Perodiplosis Kieffer, 1913
- Genus Peromiastor Kieffer, 1913
- Genus Peromyia Kieffer, 1894
- Genus Perrisia Rondani, 1846 accepted as Dasineura Rondani, 1840
- Genus Petiolocecidium Straus, 1977
- Genus Pezomyia Kieffer, 1913 accepted as Monardia Kieffer, 1895
- Genus Phaenepidosis Kieffer, 1913
- Genus Phaenobremia Kieffer, 1912
- Genus Phaenolauthia Kieffer, 1912
- Genus Phagodiplosis Blanchard, 1938
- Genus Phegomyia Kieffer, 1913
- Genus Philadelphella Kovalev, 1964
- Genus Phillophaga Lioy, 1864 accepted as Phyllophaga Rondani, 1856
- Genus Phlomidiomyia Skuhravá, 2011
- Genus Phlyctidobia Kieffer, 1912
- Genus Phonodiplosis Möhn, 1955
- Genus Phyllocecidium Straus, 1977
- Genus Phyllodiplosis Kieffer, 1912
- Genus Phyllophaga Rondani, 1856 accepted as Asphondylia Loew, 1850
- Genus Physalidicola Brèthes, 1917
- Genus Phytofaga Rondani, 1843 accepted as Phytophaga Rondani, 1840
- Genus Phytophaga Rondani, 1840 accepted as Cecidomyia Meigen, 1803
- Genus Piceacecis Gagné in Gagné & Graney, 2014
- Genus Picrodiplosis Möhn, 1955
- Genus Pilodiplosis Gagne, 1973
- Genus Pinyonia Gagne, 1970
- Genus Pipaldiplosis Mani, 1942
- Genus Piranea Janezic, 1990
- Genus Pisoniamyia Möhn, 1960
- Genus Pisphondylia Möhn, 1960
- Genus Pitydiplosis Gagne, 1973
- Genus Placochela Rübsaamen, 1916
- Genus Plagiodiplosis Kieffer, 1913
- Genus Plakidasia Fedotova, 2021
- Genus Planetella Westwood, 1840
- Genus Planetes Walker, 1836
- Genus Planodiplosis Kieffer, 1911
- Genus Platydiplosis Gagne, 1973
- Genus Plecophorus Kieffer, 1913
- Genus Plectadiplosis Fedotova & Sidorenko, 2010
- Genus Plectrodiplosis Gagne, 1973
- Genus Plemeliella Seitner, 1908
- Genus Plesiolauthia Mamajev, 1967
- Genus Plutodiplosis Kieffer, 1912
- Genus Polyardis Pritchard, 1947
- Genus Polygonomyia Fedotova, 1991
- Genus Polynomyia Fedotova, 2001
- Genus Polystepha Kieffer, 1897
- Genus Poomyia Rübsaamen, 1910
- Genus Popovineura Fedotova & Perkovsky, 2014 †
- Genus Porianus Mamaev, 1998
- Genus Poricondyla Schiner, 1864 accepted as Porricondyla Rondani, 1840
- Genus Poridiplosis Fedotova & Sidorenko, 2006
- Genus Porrhocondyla Agassiz, 1846 accepted as Porricondyla Rondani, 1840
- Genus Porricondyla Rondani, 1840
- Genus Porrycondyla Walker, 1874 accepted as Porricondyla Rondani, 1840
- Genus Potentillomyia Fedotova, 1990
- Genus Primadiplosis Maia, 2011
- Genus Primavera Gagne, 2002
- Genus Primofavilla Mamaev, 1972
- Genus Prionella Kieffer, 1894 accepted as Campylomyza Meigen, 1818
- Genus Prionellus Kieffer, 1895
- Genus Prionota Kieffer, 1895 accepted as Prionellus Kieffer, 1895
- Genus Pritchardaea Özdikmen, 2009
- Genus Proacoenonia Nel & Prokop, 2006 †
- Genus Proasphondylia Felt, 1915
- Genus Procontarinia Kieffer & Cecconi, 1906
- Genus Procystiphora Felt, 1915
- Genus Prodiplosis Felt, 1908
- Genus Profeltiella Kieffer, 1912
- Genus Prolasioptera Kieffer, 1913
- Genus Promikiola Kieffer & Herbst, 1911
- Genus Prorenata Fedotova, 2013
- Genus Prorsodiplosis Fedotova & Sidorenko, 2009
- Genus Prosaprionus Kieffer, 1913
- Genus Prosepidosis Kieffer, 1912
- Genus Protaplonyx Felt, 1916
- Genus Proterodiplosis Wyatt, 1963
- Genus Prowinnertzia Kieffer, 1911
- Genus Pruthidiplosis Mani, 1934
- Genus Psadaria Enderlein in Skottsberg, 1940
- Genus Psectrosema Kieffer, 1905
- Genus Psephodiplosis Kolesik, 2018
- Genus Pseudanarete Kieffer, 1906
- Genus Pseudasphondylia Monzen, 1955
- Genus Pseudendaphis Barnes, 1955
- Genus Pseudepidosis Mamaev, 1966
- Genus Pseudhormomyia Kieffer, 1898
- Genus Pseudocamptomyia Parnell, 1971
- Genus Pseudohormomyia
- Genus Pseudokochiomyia Fedotova, 1984
- Genus Pseudomikiola Brèthes, 1917
- Genus Pseudomonardia Jaschhof in Jaschhof & Jaschhof, 2003
- Genus Pseudoperomyia Jaschhof & Hippa, 1999
- Genus Pterepidosis Mamaev, 1990
- Genus Pteridomyia Jaschhof in Jaschhof & Jaschhof, 2003
- Genus Pumilomyia Stefani, 1917
- Genus Punarnavomyia Mani, 1953
- Genus Pupascleromyia Fedotova, 2001
- Genus Putoniella Kieffer, 1896
- Genus Quadridiplosis Fedotova, 2003
- Genus Rabdophaga Westwood, 1847 accepted as Rhabdophaga Westwood, 1847
- Genus Rabindrodiplosis Grover, 1964
- Genus Radicaliola Fedotova, 1993
- Genus Radulella Del Guercio, 1918
- Genus Ramineura Fedotova & Sidorenko, 2006 accepted as Brachineura Rondani, 1840
- Genus Raodiplosis Felt, 1920
- Genus Recessepidosis Fedotova & Sidorenko, 2008
- Genus Resseliella Seitner, 1906
- Genus Retinodiplosis Kieffer, 1912
- Genus Rhabdophaga Westwood, 1847
- Genus Rhipidoxylomyia Mamaev, 1964
- Genus Rhizocecis Gagné, 2013
- Genus Rhizomyia Kieffer, 1898
- Genus Rhoasphondylia Möhn, 1960
- Genus Rhopalomyia Rübsaamen, 1892
- Genus Rhopalomyia Williston, 1895 accepted as Willistoniella Mik, 1895
- Genus Riveraella Kieffer & Herbst, 1911
- Genus Rochadiplosis Tavares, 1917
- Genus Rondaniella Rübsaamen, 1916
- Genus Rondaniella Del Guercio, 1918
- Genus Rondaniola Rübsaamen & Hedicke, 1938
- Genus Rosomyia Fedotova, 1987
- Genus Rostellatyla Jaschhof & Jaschhof, 2013
- Genus Rostratyla Jaschhof & Jaschhof, 2013
- Genus Rotadiplosis Fedotova & Sidorenko, 2009
- Genus Rovnobrachineura Fedotova & Perkovsky, 2014 †
- Genus Rovnodidactylomyia Fedotova & Perkovsky, 2011 †
- Genus Rubsaamenia Kieffer, 1894
- Genus Rübsaamenia Kieffer, 1894 accepted as Rubsaamenia Kieffer, 1894
- Genus Ruidadiplosis Fedotova & Sidorenko, 2009
- Genus Ruschiola Dorchin, 2022
- Genus Sackenomyia Felt, 1908
- Genus Sagittidiplosis Fedotova & Sidorenko, 2004
- Genus Salsolomyia Tavares, 1919
- Genus Salvalasioptera Mohn, 1975
- Genus Samaradiplosis Fedotova & Sidorenko, 2005
- Genus Sauricesa Koçak & Kemal, 2010 accepted as Alliomyia Gagne, 2004
- Genus Scheueria Kieffer, 1909
- Genus Schismatodiplosis Rübsaamen, 1916
- Genus Schistoneurus Mamaev, 1964
- Genus Schizandrobia Kovalev, 1964
- Genus Schizeneura
- Genus Schizobremia Felt, 1926
- Genus Schizomyia Kieffer, 1889
- Genus Schmidtiella Rübsaamen, 1914 accepted as Oligotrophus Latreille, 1804
- Genus Schueziella Möhn, 1961
- Genus Sciasphondylia Möhn, 1960
- Genus Sclerepidosis Mamaev, 1990
- Genus Scopodiplosis Felt, 1915
- Genus Scorzoneromyia Fedotova, 1991
- Genus Semperanta Fedotova, 2012
- Genus Semudobia Kieffer, 1913
- Genus Sensepidosis Mamaev, 1990
- Genus Sequoiomyia
- Genus Seriphidomyia Fedotova, 2000
- Genus Serratomyia Grover, 1965
- Genus Serratyla Jaschhof & Jaschhof, 2013
- Genus Setodiplosis Fedotova & Sidorenko, 2006
- Genus Seychellepidosis Spungis, 2007
- Genus Sharmadiplosis Fedotova & Sidorenko, 2009
- Genus Shevchenkia Fedotova & Sidorenko, 2005
- Genus Shikotanodiplosis Fedotova, 2013
- Genus Sicituradastra Fedotova & Sidorenko, 2009
- Genus Sidorenkomyia Fedotova, 2004
- Genus Silvestria Shinji, 1944 accepted as Silvestriola Skuhrava, 1997
- Genus Silvestrina Kieffer, 1912 accepted as Silvestriola Skuhrava, 1997
- Genus Silvestriola Skuhrava, 1997
- Genus Silvestris
- Genus Sissudiplosis Mani, 1942
- Genus Sitodiplosis Kieffer, 1913
- Genus Skuhraviana Mamaev, 1963
- Genus Skusemyia Kolesik, 1995
- Genus Skusepidosis Fedotova, 2021 accepted as Divellepidosis Fedotova & Sidorenko, 2007
- Genus Smilasioptera Mohn, 1975
- Genus Soligenistyla Fedotova & Sidorenko, 2007 accepted as Divellepidosis Fedotova & Sidorenko, 2007
- Genus Solntsevia
- Genus Sophoromyia Fedotova, 1984
- Genus Spaniocera Winnertz, 1853
- Genus Spanolepis Gagné, 2021
- Genus Spartiomyia Kieffer, 1913
- Genus Spatholobomyia Rao, 1952 accepted as Heliodiplosis Felt, 1918
- Genus Speromeliora Fedotova, 2013
- Genus Sphaeramyia Maia, 2007
- Genus Sphaerodiplosis Rübsaamen, 1916
- Genus Spiculatidiplosis Fedotova, 2003
- Genus Spilodiplosis Kovalev & Mamaev, 1966
- Genus Spiraeanthomyia Fedotova, 1989
- Genus Spirodiplosis Fedotova & Sidorenko, 2006
- Genus Spiromyia Fedotova, 1991
- Genus Spirorhynchomyia Fedotova, 1992
- Genus Spungisiola Fedotova & Perkovsky, 2008 †
- Genus Spungisomyia Mamaev & Zaitzev, 1996
- Genus Spurgia Gagné, 1990
- Genus Stabiliola Fedotova & Sidorenko, 2006
- Genus Stackelbergiella Marikovskii, 1958
- Genus Stefaniella Kieffer, 1898
- Genus Stefaniola Kieffer, 1913
- Genus Stelechodiplosis Möhn, 1955
- Genus Stenodiplosis Reuter, 1895
- Genus Stenohypodiplosis Fedotova & Sidorenko, 2005
- Genus Stenoptera Meunier, 1902 accepted as Neostenoptera Meunier, 1902
- Genus Stenospatha Kieffer, 1913
- Genus Stephaniella accepted as Stefaniella Kieffer, 1898
- Genus Stephodiplosis Tavares, 1908
- Genus Stephomyia Tavares, 1916
- Genus Stictobremia Kieffer, 1912
- Genus Stictodiplosis Kieffer, 1894
- Genus Stomatocolpodia Mamaev, 1990
- Genus Stomatosema Kieffer, 1904
- Genus Streptodiplosis Felt, 1916
- Genus Strobilodiplosis Möhn, 1955
- Genus Strobilotia Gagné, 2013
- Genus Strobliella Kieffer, 1898
- Genus Stroblophila Kieffer, 1912
- Genus Styracodiplosis Tavares, 1925 accepted as Styraxdiplosis Tavares, 1915
- Genus Styracodiplosis Tavares, 1918 accepted as Styraxdiplosis Tavares, 1915
- Genus Styraxdiplosis Tavares, 1915
- Genus Suaediola Dorchin, 2019
- Genus Subaprionus Mamaev, 1998
- Genus Svenartia Jaschhof & Jaschhof, 2013
- Genus Sylvenomyia Mamaev & Zaitzev, 1998
- Genus Synaptella Kieffer, 1913
- Genus Synarthrella Kieffer, 1913
- Genus Syndiplosis Rübsaamen, 1910
- Genus Synepidosis Mamaev, 1964
- Genus Syrenomyia Fedotova, 1991
- Genus Tanaodiplosis Gagne, 1973
- Genus Tantumaura Fedotova, 2012
- Genus Tavolgomyia Fedotova, 1991
- Genus Taxodiomyia Gagne, 1968
- Genus Taxomyia Rübsaamen, 1912
- Genus Tekomyia Möhn, 1960
- Genus Tenepidosis Fedotova & Sidorenko, 2005
- Genus Termitomastus Silvestri, 1901
- Genus Tessaradiplosis Baylac, 1988
- Genus Tetradiplosis Kieffer, 1910
- Genus Tetraneuromyia
- Genus Tetrasphondylia Kieffer, 1913
- Genus Thaumacecidomyia Yang, 1998
- Genus Thaumadiplosis Gagne, 1973
- Genus Theatodiplosis Tavares, 1922
- Genus Thecodiplosis Kieffer, 1895
- Genus Therodiplosis Kieffer, 1912
- Genus Thomasia Rübsaamen, 1910 accepted as Thomasiniana Strand, 1917
- Genus Thomasiella Rübsaamen, 1915
- Genus Thomasiniana Strand, 1917
- Genus Thorodiplosis Felt, 1921
- Genus Thripsobremia Barnes, 1930
- Genus Thurauia Rübsaamen, 1899
- Genus Tinconaria Gagne, 1967
- Genus Tingidoletes Gagne, 2008
- Genus Tjanshaniella
- Genus Tjanshaniomyia
- Genus Tokiwadiplosis Simbolon & Yukawa, 1992
- Genus Tollereadastra Fedotova & Sidorenko, 2009
- Genus Tonsidiplosis Fedotova & Sidorenko, 2005
- Genus Toxomyia Felt, 1911
- Genus Transversalidiplosis Fedotova, 2003
- Genus Tremaepidosis Fedotova, 2021 accepted as Divellepidosis Fedotova & Sidorenko, 2007
- Genus Tribremia Kieffer, 1912
- Genus Tricampylomyza Kieffer, 1919
- Genus Trichelospatha Kieffer, 1913
- Genus Trichepidosis Mamaev, 1990
- Genus Tricholaba Rübsaamen, 1917
- Genus Trichoperrisia Kieffer, 1913
- Genus Trichopteromyia Williston, 1896
- Genus Trichotoca Jaschhof & Jaschhof, 2008
- Genus Trichoxylomyia Mamaev, 1964
- Genus Tricontarinia Kieffer, 1910
- Genus Trigonodiplosis Rübsaamen, 1917
- Genus Trigonomyia Kolesik, 1996
- Genus Trilobia Del Guercio, 1919
- Genus Trilobiella Del Guercio, 1919
- Genus Trilobomyia Marikovskii, 1956
- Genus Trilobophora
- Genus Triommata Barnes, 1931
- Genus Triommatomyia Mamaev, 1961
- Genus Trishormomya Kieffer, 1912
- Genus Trishormomyia Felt, 1925
- Genus Trisopsis Kieffer, 1912
- Genus Trissodiplosis Kieffer, 1913
- Genus Tristephana
- Genus Tristephanus Kieffer, 1913
- Genus Tritozyga Loew, 1862
- Genus Trogodiplosis Gagné, 1985
- Genus Tropidiplosis Gagne, 1973
- Genus Trotteria Kieffer, 1902
- Genus Tuguridiplosis Fedotova & Sidorenko, 2005
- Genus Turkmenomyia Marikovskii, 1957 accepted as Kochiomyia Mamaev, 1988
- Genus Tutkowskia Fedotova & Perkovsky, 2008 †
- Genus Tyloceramyia Markovskii, 1956
- Genus Uberivera Fedotova, 2012
- Genus Ubinomyia Mamaev, 1990 accepted as Desertepidosis Mamaev & Soyunov, 1989
- Genus Udumbaria Crover, 1963
- Genus Ugolyakomyia Fedotova & Perkovsky, 2020 †
- Genus Uleella Rübsaamen, 1908
- Genus Uleia Rübsaamen, 1905
- Genus Ulmomyia Mamaev, 1960
- Genus Uncinulella Del Guercio, 1919
- Genus Undadiplosis Fedotova in Fedotova & Sidorenko, 2004
- Genus Undoneura Fedotova & Sidorenko, 2006
- Genus Unicornella Jaschhof & Sikora in Sikora et al., 2020
- Genus Urosema Kieffer, 1913
- Genus Ussuridiplosis Fedotova in Fedotova & Sidorenko, 2004
- Genus Ustinepidosis Fedotova & Sidorenko, 2005
- Genus Vaccinidiplosis Gagne in Gagne & Payne, 1994
- Genus Vanchidiplosis Nayar, 1949
- Genus Vasiliola Fedotova, 2004
- Genus Velafacera Fedotova & Perkovsky, 2008 †
- Genus Ventosagloria Fedotova & Perkovsky, 2008 †
- Genus Verbasciola Fedotova, 2004
- Genus Versusfacera Fedotova & Sidorenko, 2009
- Genus Vesperomyia Marikovskii, 1958
- Genus Vicemyia Fedotova & Perkovsky, 2007 †
- Genus Viceversa Fedotova, 2012
- Genus Vitisiella Fedotova & Kovalev in Fedotova, 2003
- Genus Vladimiretskiana Fedotova & Perkovsky, 2024 †
- Genus Volnococcopsis Fedotova & Perkovsky, 2008 †
- Genus Volsatiola Fedotova & Sidorenko, 2006
- Genus Vulcanardia Mamaev, 1993
- Genus Wachtliella Rübsaamen, 1915
- Genus Walshomyia Felt, 1908
- Genus Warramyia Jaschhof, 2010
- Genus Wasmanniella Kieffer, 1898
- Genus Wheeleriola Jaschhof & Jaschhof, 2020
- Genus Wichmanniella Möhn, 1955
- Genus Winnertzia Rondani, 1861
- Genus Winnertziola Kieffer, 1912
- Genus Wohllebenia Jaschhof, 2024
- Genus Wyatella Mamaev, 1966 † accepted as Wyattella Mamaev, 1966
- Genus Wyattella Mamaev, 1966
- Genus Xenasphondylia Felt, 1915
- Genus Xenhormomyia Felt, 1920
- Genus Xenodiplosis Felt, 1911
- Genus Xerephedromyia Mamaev, 1972
- Genus Xiphodiplosis Felt, 1915
- Genus Xipholasioptera Gagne in Gagne & Boldt, 1995
- Genus Xylodiplosis Kieffer, 1895
- Genus Xyloperrisia Kieffer, 1913
- Genus Xylopriona Kieffer, 1913
- Genus Youngomyia Felt, 1908
- Genus Yposatoea Rondani, 1856 accepted as Catocha Haliday, 1833
- Genus Yukawamyia
- Genus Yukawyx Fedotova, 2001
- Genus Zadbimyia Jaschhof & Jaschhof, 2014
- Genus Zaitzeviola Fedotova & Sidorenko, 2008
- Genus Zalepidota Rübsaamen, 1908
- Genus Zatsepinomyia Mamaev & Zaitzev, 1997
- Genus Zephyrepidosis Fedotova & Sidorenko, 2008
- Genus Zeuxidiplosis Kieffer, 1905
- Genus Zygiobia Kieffer, 1913
- Family Celyphidae Bigot, 1852
- Family Ceratopogonidae Newman, 1834
- Family Chamaemyiidae Hendel, 1910
- Family Chaoboridae Edwards, 1932
- Family Chimeromyiidae Grimaldi & Cumming, 2009 †
- Family Chironomidae Macquart, 1838
- Family Chironomoidea incertae sedis
- Family Chloropidae Rondani, 1856
- Family Christelenkidae Roháček, 2023 †
- Family Chyromyidae Hendel, 1916
- Family Circumphallidae Papp, 2011
- Family Clusiidae Hendel, 1916
- Family Clusiomitidae Roháček & Hoffeins, 2021 †
- Family Coelopidae Hendel, 1910
- Family Coenomyiidae
- Family Conopidae Latreille, 1802
- Family Cordyluridae
- Family Corethrellidae Edwards, 1932
- Family Cratomyiidae Mazzarolo & Amorim, 2000 † accepted as Zhangsolvidae Nagatomi & Yang, 1998 †
- Family Crosaphididae Kovalev, 1983 †
- Family Cryptochaetidae accepted as Cryptochetidae Brues & Melander, 1932
- Family Cryptochetidae Brues & Melander, 1932
- Family Ctenostylidae Bigot, 1882
- Family Culicidae Meigen, 1818
- Family Curtonotidae Enderlein, 1914
- Family Cuterebridae Brauer, 1887
- Family Cylindrotomidae Schiner, 1863
- Family Cypselosomatidae Hendel, 1931
- Family Deuterophlebiidae Edwards, 1922
- Family Dexiidae Sharp, 1887
- Family Deximorpha Brauer & Bergenstamm, 1889 accepted as Tachinidae Bigot, 1853
- Family Diadocidiidae Winnertz, 1863
- Family Diastatidae Hendel, 1917
- Family Dictyodipteridae Rohdendorf, 1961 †
- Family Diopsidae Billberg, 1820
- Family Diplopolyneuridae Rohdendorf, 1962 † accepted as Pediciidae Osten Sacken, 1860
- Family Diptera (awaiting allocation)
- Family Ditomyiidae Kylin, 1919
- Family Dixamimidae † accepted as Chaoboridae Edwards, 1932
- Family Dixidae Schiffner, 1868
- Family Dolichopodidae Latreille, 1809
- Family Drosophilidae Rondani, 1856
- Family Dryomyzidae Schiner, 1864
- Family Dyspolyneuridae Rohdendorf, 1961 †
- Family Elliidae Krzeminska, Blagoderov & Krezmiñski, 1993 †
- Family Empididae Latreille, 1804
- Family Eoditomyiidae Ansorge, 1996 †
- Family Eolimnobiidae Rohdendorf, 1962 †
- Family Eomyiidae Rohdendorf, 1962 †
- Family Eophlebomyiidae Cockerell, 1925 †
- Family Eopleciidae Rohdendorf, 1946 †
- Family Eopolyneuridae Rohdendorf, 1962 †
- Family Eoptychopteridae Handlirsch, 1906 † accepted as Ptychopteridae Osten Sacken, 1862
- Family Eostratiomyiidae Rohdendorf, 1962 †
- Family Ephydridae Zetterstedt, 1837
- Family Eremochaetidae Ussatchov, 1968 †
- Family Eremoneura (awaiting allocation)
- Family Eucaudomyiidae Grimaldi, 2016 †
- Family Eurychoromyiidae endel, 1910 accepted as Lauxaniidae Macquart, 1835
- Family Evocoidae Yeates, Irwin & Wiegmann, 2006
- Family Fanniidae Schnabl & Dziedzicki, 1911
- Family Fergusoninidae Hennig, 1958
- Family Fungivoritidae Rohdendorf, 1946 †
- Family Galliidae Lukashevich & Mostovski, 2023 †
- Family Gasterophilidae Girschner, 1896
- Family Geomyzidae Fallén, 1823 accepted as Opomyzidae Fallén, 1820
- Family Glossinidae Theobald, 1903
- Family Gobryidae McAlpine, 1997
- Family Gracilitipulidae Hong & Wang, 1990 † accepted as Pediciidae Osten Sacken, 1860
- Family Grauvogeliidae Krzemiński, Krzemińska & Papier, 1994 †
- Family Helcomyzidae Hendel, 1924
- Family Heleomyzidae Westwood, 1840
- Family Helomyzidae accepted as Heleomyzidae Westwood, 1840
- Family Helosciomyzidae Steyskal, 1965
- Family Hennigmatidae Shcherbakov, 1995 †
- Family Hesperinidae Walker, 1848
- Family Heterocheilidae McAlpine, 1991
- Family Heteropezidae Schiner, 1868
- Family Hilarimorphidae Williston, 1896
- Family Hippoboscidae Samouelle, 1819
- Family Hippoboscoidea incertae sedis †
- Family Hoffeinsmyiidae Michelsen, 2009 †
- Family Homalocnemiidae Collin, 1928
- Family Huttoninidae Steyskal, 1965
- Family Hybotidae Meigen, 1820
- Family Hyperoscelididae Hardy & Nagatomi, 1960
- Family Hyperpolyneuridae Rohdendorf, 1961 †
- Family Hypodermatidae Rondani, 1856
- Family Inbiomyiidae Buck, 2006
- Family Ironomyiidae McAlpine & Martin, 1966
- Family Iteaphilidae Wahlberg & Johanson, 2018
- Family Kaluginamyiidae Lukashevich, Pepinelli & Currie, 2020 †
- Family Keroplatidae Rondani, 1856
- Family Kovalevisargidae Mostovski, 1997 †
- Family Lauxaniidae Macquart, 1835
- Family Leptidae Burmeister, 1837 accepted as Rhagionidae Latreille, 1802
- Family Lestremiidae accepted as Cecidomyiidae Newman, 1835
- Family Limnorhyphidae Hong, 1983 † accepted as Perissommatidae Colless, 1962
- Family Limoniidae Speiser, 1909
- Family Lonchaeidae Loew, 1861
- Family Lonchopteridae Macquart, 1835
- Family Luanpingitidae Zhang, 1986 †
- Family Lygistorrhinidae Edwards, 1925
- Family Macroceridae Rondani, 1856
- Family Marginidae McAlpine, 1991
- Family Megamerinidae Hendel, 1913
- Family Mesophantasmatidae Rohdendorf, 1962 †
- Family Mesosciophilidae Rohdendorf, 1946 †
- Family Mesothaumaleidae † accepted as Thaumaleidae Bezzi, 1913
- Family Micropezidae Blanchard, 1840
- Family Microphoridae Collin, 1960 accepted as Dolichopodidae Latreille, 1809
- Family Milichiidae Schiner, 1862
- Family Mormotomyiidae Austen, 1936
- Family Muscidae Latreille, 1802
- Family Musidoromimidae Rohdendorf, 1962 †
- Family Mycetobiidae accepted as Anisopodidae Knab, 1912
- Family Mycetophilidae Newman, 1834
- Family Mydaidae accepted as Mydidae Latreille, 1809
- Family Mydidae Latreille, 1809
- Family Mystacinobiidae Holloway, 1976
- Family Mysteromyiidae Grimaldi, 2016 †
- Family Mythicomyiidae Melander, 1902
- Family Nadipteridae Lukashevich, 1995 †
- Family Nannodastiidae Papp, 1980
- Family Natalimyzidae Barraclough & McAlpine, 2006
- Family Nemestrinidae Griffith & Pidgeon, 1832
- Family Neminidae McAlpine, 1983
- Family Neriidae Westwood, 1840
- Family Neurochaetidae McAlpine, 1978
- Family Nothybidae Frey, 1927
- Family Nycteribiidae Samouelle, 1819
- Family Nymphomyiidae Tokunaga, 1932
- Family Ocoidae accepted as Evocoidae Yeates, Irwin & Wiegmann, 2006
- Family Odiniidae Hendel, 1920
- Family Oestridae Leach, 1815
- Family Oligophryneidae Rohdendorf, 1962 † accepted as Anisopodidae Knab, 1912
- Family Oligophrynidae Rohdendorf, 1962 † accepted as Anisopodidae Knab, 1912
- Family Opetiidae Rondani, 1856
- Family Opomyzidae Fallén, 1820
- Family Oreoleptidae Zloty, Sinclair & Pritchard, 2005
- Family Orientisargidae Zhang, 2012 †
- Family Ortalidae Fallén, 1810 accepted as Ulidiidae Macquart, 1835
- Family Otitidae Aldrich, 1932 accepted as Ulidiidae Macquart, 1835
- Family Pachyneuridae Schiner, 1864
- Family Palaeolimnobiidae Zhang, Zhang, Liu & Shangguan, 1986 † accepted as Pediciidae Osten Sacken, 1860
- Family Palaeophoridae Rohdendorf, 1951 †
- Family Palaeopleciidae Rohdendorf, 1962 †
- Family Palaeostratiomyiidae Rohdendorf, 1938 † accepted as Rhagionidae Latreille, 1802
- Family Pallopteridae Loew, 1862
- Family Panthophthalmidae accepted as Pantophthalmidae Bigot, 1882
- Family Pantophthalmidae Bigot, 1882
- Family Parapleciidae Hong, 1983 † accepted as Paraxymyiidae Rohdendorf, 1946 †
- Family Paratendipedidae Hong & Wang, 1990 † accepted as Serendipidae Evenhuis, 1994 †
- Family Paraxymyiidae Rohdendorf, 1946 †
- Family Pediciidae Osten Sacken, 1860
- Family Pelecorhynchidae Enderlein, 1922
- Family Periscelidae accepted as Periscelididae Oldenberg, 1914
- Family Periscelididae Oldenberg, 1914
- Family Perissomatidae Colless, 1962 accepted as Perissommatidae Colless, 1962
- Family Perissommatidae Colless, 1962
- Family Phaeomyiidae Verbeke, 1950
- Family Phasiidae Robineau-Desvoidy, 1830 accepted as Tabanidae Latreille, 1802
- Family Phlebotomidae accepted as Psychodidae Newman, 1834
- Family Phoridae Curtis, 1833
- Family Phragmoligoneuridae Rohdendorf, 1962 † accepted as Protopleciidae Rohdendorf, 1946 †
- Family Piophilidae Macquart, 1835
- Family Pipunculidae Walker, 1834
- Family Platypezidae Fallén, 1815
- Family Platystomatidae Schiner, 1862
- Family Pleciidae Duda, 1930 accepted as Bibionidae Fleming, 1821
- Family Pleciodictyidae Rohdendorf, 1962 † accepted as Protopleciidae Rohdendorf, 1946 †
- Family Pleciofungivoridae Rohdendorf, 1946 †
- Family Pleciomimidae Rohdendorf, 1946 † accepted as Antefungivoridae Rohdendorf, 1938 †
- Family Polleniidae Brauer & Bergenstamm, 1889
- Family Procramptonomyiidae Kovalev, 1985 †
- Family Proneottiophilidae Hennig, 1969 †
- Family Protapioceridae Ren, 1998 †
- Family Protempididae Ussatchov, 1968 †
- Family Protendipedidae Rohdendorf, 1962 †
- Family Protobibionidae Rohdendorf, 1946 †
- Family Protobrachyceridae Rohdendorf, 1962 †
- Family Protobrachycerontidae † accepted as Protobrachyceridae Rohdendorf, 1962 †
- Family Protoligoneuridae Rohdendorf, 1962 † accepted as Protopleciidae Rohdendorf, 1946 †
- Family Protomphralidae Rohdendorf, 1962 †
- Family Protopleciidae Rohdendorf, 1946 †
- Family Protorhyphidae Handlirsch, 1906 †
- Family Protoscatopsidae Rohdendorf, 1946 †
- Family Pseudopomyzidae McAlpine, 1966
- Family Psilidae Macquart, 1835
- Family Psychodidae Newman, 1834
- Family Psychodoidea incertae sedis
- Family Ptychopteridae Osten Sacken, 1862
- Family Pyrgotidae Schiner, 1868
- Family Rangomaramidae Jaschhof & Didham, 2002
- Family Rhaetomyiidae Rohdendorf, 1962 †
- Family Rhagionemestriidae Ussatchov, 1968 †
- Family Rhagionempididae Rohdendorf, 1951 †
- Family Rhagionidae Latreille, 1802
- Family Rhiniidae Brauer & Bergenstamm, 1889
- Family Rhinophoridae Robineau-Desvoidy, 1863
- Family Rhinotoridae Williston, 1896 accepted as Heleomyzidae Westwood, 1840
- Family Rhopalomeridae accepted as Ropalomeridae Schiner, 1868
- Family Rhyphidae Newman, 1834 accepted as Anisopodidae Knab, 1912
- Family Richardidae accepted as Richardiidae Loew, 1868
- Family Richardiidae Loew, 1868
- Family Ropalomeridae Schiner, 1868
- Family Sapromyzidae accepted as Lauxaniidae Macquart, 1835
- Family Sarcophagidae Macquart, 1834
- Family Scathophagidae Cresson, 1918
- Family Scatophagidae Robineau-Desvoidy, 1830 accepted as Scathophagidae Cresson, 1918
- Family Scatopsidae Newman, 1834
- Family Scenopinidae Fallén, 1817
- Family Sciadoceridae Schmitz, 1929
- Family Sciaridae Billberg, 1820
- Family Sciaroidea incertae sedis
- Family Sciomyzidae Fallén, 1820
- Family Sepsidae Walker, 1833
- Family Serendipidae Evenhuis, 1994 †
- Family Siberhyphidae †
- Family Simuliidae Newman, 1834
- Family Sinotendipedidae † accepted as Anisopodidae Knab, 1912
- Family Somatiidae Hendel, 1935
- Family Spaniidae Rondani, 1856 accepted as Rhagionidae Latreille, 1802
- Family Sphaeoroceridae accepted as Sphaeroceridae Macquart, 1835
- Family Sphaeroceridae Macquart, 1835
- Family Stenomicridae Papp, 1984 accepted as Periscelididae Oldenberg, 1914
- Family Stratiomyidae Latreille, 1802
- Family Streblidae Kolenati, 1863
- Family Stronglyophthalmyiidae accepted as Strongylophthalmyiidae Hendel, 1917
- Family Strongylophthalmyiidae Hendel, 1917
- Family Synneuridae Enderlein, 1936 accepted as Canthyloscelidae Shannon, 1927
- Family Syringogastridae Prado, 1969
- Family Syrphidae Latreille, 1802
- Family Tabanidae Latreille, 1802
- Family Tachinidae Bigot, 1853
- Family Tachiniscidae Kertész, 1903
- Family Tanyderidae Osten Sacken, 1880
- Family Tanyderophryneidae Rohdendorf, 1962 † accepted as Chaoboridae Edwards, 1932
- Family Tanypezidae Rondani, 1856
- Family Tephritidae Newman, 1834
- Family Teratomyzidae Colless & McAlpine, 1970
- Family Tethepomyiidae Grimaldi & Arillo, 2008 †
- Family Tethinidae accepted as Canacidae Jones, 1906
- Family Thaumaleidae Bezzi, 1913
- Family Therevidae Newman, 1834
- Family Tillyardipteridae Lukashevich & Shcherbakov, 1999 †
- Family Tipulidae Leach, 1815
- Family Tipulodictyidae Rohdendorf, 1962 †
- Family Tipulopleciidae Rohdendorf, 1962 †
- Family Trichoceridae Rondani, 1841
- Family Trixoscelidae Hendel, 1916 accepted as Heleomyzidae Westwood, 1840
- Family Trypetidae Loew, 1861 accepted as Tephritidae Newman, 1834
- Family Ulidiidae Macquart, 1835
- Family Ulurumyiidae Michelsen & Pape, 2017
- Family Uranorhagionidae Zhang, Yang & Ren, 2010 †
- Family Valeseguyidae Amorim & Grimaldi, 2006
- Family Vermileonidae Williston, 1886
- Family Vladipteridae Shcherbakov, 1995 †
- Family Vosilidae Vršanský & Ren in Vršanský, Ren & Shih, 2010 †
- Family Xenasteiidae Hardy, 1980
- Family Xylomidae accepted as Xylomyidae Verrall, 1901
- Family Xylomyidae Verrall, 1901
- Family Xylophagidae Fallén, 1810
- Family Yantaromyiidae Barták, 2020 †
- Family Zhangobiidae Evenhuis, 1994 † accepted as Pediciidae Osten Sacken, 1860
- Family Zhangsolvidae Nagatomi & Yang, 1998 †
- Genus Apystomimus Mostovski, 1999 †
- Genus Aschizomyia Grimaldi, 2018 †
- Order Embiodea
- Order Endopterygota incertae sedis
- Order Eoblattida †
- Order Ephemeroptera
- Order Eugeroptera †
- Order Geraroptera †
- Order Geroptera †
- Order Glosselytrodea †
- Order Grylloblattodea
- Order Hemiptera
- Order Homoptera accepted as Hemiptera
- Order Hymenoptera
- Order Hypoperlida †
- Order Insecta (awaiting allocation)
- Order Insecta incertae sedis
- Order Isoptera accepted as Blattodea
- Order Kukaloptera †
- Order Lepidoptera
- Order Lophioneurida †
- Order Mallophaga
- Order Mantodea
- Order Mantophasmatodea
- Order Mecoptera
- Order Mecopterida incertae sedis
- Order Megaloptera
- Order Megasecoptera †
- Order Miomoptera †
- Order Neoptera incertae sedis
- Order Neuroptera
- Order 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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