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
- Genus Aagaardia Sæther, 2000
- Genus Abiskomyia Edwards, 1937
- Genus Ablabesmyia Johannsen, 1905
- Genus Acalcarella Shilova, 1955
- Genus Acamptocladius Brundin, 1956
- Genus Acinoretracus Epler, Harrison & Hare, 1999
- Genus Acricotopus Kieffer, 1921
- Genus Acutiforcipia Seredszus & Wichard in Wichard, Gröhn & Seredszus, 2009 † accepted as Acutiforcipia Ashe & O'Connor, 2019 †
- Genus Acutiforcipia Ashe & O'Connor, 2019 †
- Genus Adactylocladius Sæther, 1968
- Genus Adiamesa Kieffer, 1906
- Genus Aedokritus
- Genus Aenne Ansorge, 1999
- Genus Afrochlus Freeman, 1964
- Genus Afrozavrelia Harrison, 2004
- Genus Alaskacladius Namayandeh, Hudson, Ghaderi, Vasquez & Ram, 2023
- Genus Allochironomus Kieffer, 1921
- Genus Allocladius Kieffer, 1913
- Genus Allometriocnemus Freeman, 1961
- Genus Allotrissocladius Freeman, 1964
- Genus Alotanypus Roback, 1971
- Genus Amblycladius Kieffer, 1923
- Genus Amnihayesomyia Niitsuma, 2007
- Genus Amphismittia Kawai, Okamoto & Imabayashi, 2002
- Genus Anaphrotenia Brundin, 1983
- Genus Anatopynia Johannsen, 1905
- Genus Anceus Roback, 1963 accepted as Axarus Roback, 1980
- Genus Ancylocladius Sublette & Wirth, 1972
- Genus Andamanus Maheshwari & Maheshwari, 2001
- Genus Antillocladius Sæther, 1981
- Genus Anuncotendipes Cranston, 1999
- Genus Anzacladius Cranston, 2009
- Genus Apedilum Townes, 1945
- Genus Apelopia Roback, 1971 †
- Genus Aphrotenia Brundin, 1966
- Genus Aphroteniella Brundin, 1966
- Genus Apometriocnemus Sæther, 1984
- Genus Aponteus Roback, 1971
- Genus Apsectrotanypus Fittkau, 1962
- Genus Araucania Brundin, 1966 accepted as Reissmesa Ashe, 2000
- Genus Araucanopsis Cranston & Krosch, 2015 accepted as Podonomopsis Brundin, 1966
- Genus Archaeochlus Brundin, 1966
- Genus Archistempellina Gilka & Zakrzewska, 2013 †
- Genus Arctodiamesa Makarchenko, 1983
- Genus Arctomyia Lundström, 1915
- Genus Arctopelopia Fittkau, 1962
- Genus Arctosmittia Zelentzov, 2006
- Genus Asachironomus Kikuchi & Sasa, 1990
- Genus Asclerina Reiss, 1968
- Genus Asheum Sublette & Sublette, 1983
- Genus Atelopodella Sæther, 1982
- Genus Atopipedilum Yamamoto, Yamamoto & Hirowatari, 2016 accepted as Polypedilum Kieffer, 1913
- Genus Australopelopia Cranston, 2000
- Genus Austrobrilla
- Genus Austrobrillia Freeman, 1961
- Genus Austrochlus Cranston in Cranston, Edward & Cook, 2002
- Genus Austrocladius Freeman, 1961
- Genus Axarus Roback, 1980
- Genus Baeoctenus Sæther, 1976
- Genus Baeotendipes Kieffer, 1913
- Genus Barbadocladius Cranston & Krosch, 2011
- Genus Bavarismittia Sæther, 1995
- Genus Beardius Reiss & Sublette, 1985
- Genus Beckidia Sæther, 1979
- Genus Beckiella Sæther, 1977 accepted as Beckidia Sæther, 1979
- Genus Belgica Jacobs, 1900
- Genus Benthalia
- Genus Bernhardia Datta & Chaudhuri, 1992
- Genus Bethbilbekia Fittkau & Murray, 1988
- Genus Bilyjomyia Niitsuma & Watson, 2009
- Genus Bisaiyusurika
- Genus Biwatendipes Tokunaga, 1965
- Genus Boreochlus Edwards, 1938
- Genus Boreoheptagyia Brundin, 1966
- Genus Boreosmittia Tuiskunen in Tuiskunen & Lindeberg, 1986
- Genus Botryocladius Cranston & Edward, 1999
- Genus Branchiurus Viviani, 1805
- Genus Brillia Kieffer, 1913
- Genus Brundinia Roback, 1978 accepted as Brundiniella Roback, 1978
- Genus Brundiniella Roback, 1978
- Genus Brunieria Kieffer, 1921
- Genus Bryophaenocladius Thienemann, 1934
- Genus Buchonomyia Fittkau, 1955
- Genus Burmeisteria Weyenbergh, 1886
- Genus Caladomyia Sawedal, 1981
- Genus Calochironomus Kieffer, 1921
- Genus Calopsectra Kieffer, 1909
- Genus Calotanypus Roback, 1971
- Genus Campontia Johnston, 1828
- Genus Camportia Wiegmann, 1835 accepted as Campontia Johnston, 1828
- Genus Camposia Reiss, 1972
- Genus Camposimyia Reiss, 1981
- Genus Camptochironomus Kieffer, 1914
- Genus Camptocladius Wulp, 1874 accepted as Thalassosmittia Strenzke & Remmert, 1957
- Genus Cantomyia
- Genus Cantopelopia Roback, 1971
- Genus Carbochironomus Reiss & Kirschbaum, 1990
- Genus Cardiocladius Kieffer, 1912
- Genus Carteria Kieffer, 1921 accepted as Kiefferulus Goetghebuer, 1922
- Genus Carteronica Strand, 1928 accepted as Kiefferulus Goetghebuer, 1922
- Genus Cataliptus Bezzi, 1916
- Genus Catalipus
- Genus Caulochironomus Heyn, 1993
- Genus Cedrimyia Namayandeh & Hudson, 2022
- Genus Cerobregma Sæther & Sundal, 1999
- Genus Chaetocladius Kieffer, 1911
- Genus Chaetolabis Townes, 1945
- Genus Charadromyia Terry, 1913
- Genus Chasmatonotoides Doitteau & Nel, 2007 †
- Genus Chasmatonotus Loew, 1864
- Genus Cheironomus Wollaston, 1858 accepted as Chironomus Meigen, 1803
- Genus Chernovskiia Sæther, 1977
- Genus Chilenomyia Brundin, 1983
- Genus Chioronomus Wiedemann, 1817 accepted as Chironomus Meigen, 1803
- Genus Chirocladius Picado, 1914
- Genus Chironocesa Koçak & Kemal, 2008
- Genus Chironomus Meigen, 1803
- Genus Chironozorina Koçak & Kemal, 2008 accepted as Cryptochironomus Kieffer, 1918
- Genus Chrysopelopia Harrison, 1978
- Genus Cladopelma Kieffer, 1921
- Genus Cladotanytarsus Kieffer, 1922
- Genus Cladpelma
- Genus Claudiotendipes Andersen, Fonseca Mendes & Pinho, 2017
- Genus Clinochironomus Kieffer, 1921
- Genus Clinocladius Sublette, 1970
- Genus Clinotanypus Kieffer, 1913
- Genus Clinotanytarsus Kieffer, 1923
- Genus Cluneo Schiner, 1856 accepted as Clunio Haliday, 1855
- Genus Clunio Haliday, 1855
- Genus Coelopynia Freeman, 1961
- Genus Coelotanypus Kieffer, 1913
- Genus Coffmania Hazra & Chaudhuri, 2000
- Genus Collartiella Goetghebuer, 1936 accepted as Collartomyia Goetghebuer, 1948
- Genus Collartomyia Goetghebuer, 1948
- Genus Colosmittia Andersen & Sæther, 1993
- Genus Compontia Johnson in Theobald, 1892 accepted as Campontia Johnston, 1828
- Genus Compteromesa Sæther, 1981
- Genus Compterosmittia Sæther, 1981
- Genus Conchapelopia Fittkau, 1957
- Genus Conochironomus Freeman, 1961
- Genus Conocladius Kieffer, 1910
- Genus Constempellina Brundin, 1947
- Genus Cordiella Coffman & Roback, 1984 accepted as Lopescladius Oliveira, 1967
- Genus Corinonevra Bigot, 1854 accepted as Corynoneura Winnertz, 1846
- Genus Corneliola Gilka & Zakrzewska, 2013 †
- Genus Coronapelopia Cranston & Krosch, 2021
- Genus Corynocera Zetterstedt, 1837
- Genus Corynoneura Winnertz, 1846
- Genus Corynoneurella Brundin, 1949
- Genus Corytibacladius Oliveira, Messias & Santos
- Genus Cretadiamesa Veltz, Azar & Nel, 2007 †
- Genus Cretaenne Azar, Veltz & Nel, 2008 †
- Genus Cretapelopia Veltz, Azar & Nel, 2007 †
- Genus Cretodiamesa Kalugina, 1976 †
- Genus Cricotopiella Meunier, 1916
- Genus Cricotopus van der Wulp, 1874
- Genus Crymaleomyia Ashe & O'Connor, 2000
- Genus Cryptochironomus Kieffer, 1918
- Genus Cryptocladopelma Lenz, 1941 accepted as Cryptocladopelma Townes, 1945
- Genus Cryptocladopelma Townes, 1945 accepted as Cladopelma Kieffer, 1921
- Genus Cryptotendipes Beck & Beck, 1969
- Genus Cryptotendipes Lenz, 1941 accepted as Cryptotendipes Beck & Beck, 1969
- Genus Curvaria
- Genus Cyphomella Sæther, 1977
- Genus Dactylocladius Kieffer, 1906
- Genus Daitoyusurika Sasa & Suzuki, 2001
- Genus Demeijerea Kruseman, 1933
- Genus Demicryptochironomus Lenz, 1941
- Genus Denopelopia Roback & Rutter, 1988
- Genus Derotanypus Roback, 1971
- Genus Diamesa Meigen, 1830
- Genus Dicrotendipes Kieffer in Alluaud & Jeannel, 1913
- Genus Didiamesa Kieffer, 1924
- Genus Didimiriforceps
- Genus Diplocladius Kieffer, 1908
- Genus Diplomesa Pagast, 1947
- Genus Diplosmittia Sæther, 1981
- Genus Ditanytarsus Kieffer, 1922
- Genus Djalmabastica Fittkau, 1968
- Genus Djalmabatista
- Genus Doithrix Sæther & Sublette, 1983
- Genus Dolichocladius Kieffer, 1911
- Genus Dolichopelma Kieffer, 1918
- Genus Doloplastus Skuse, 1889
- Genus Doncricotopus Sæther, 1981
- Genus Dratnalia Sæther & Halvorsen, 1981
- Genus Dryadontanytarsus
- Genus Dryadotanytarsus Andersen, 1943 †
- Genus Dungeyella Jarzembowski, Azar & Nel, 2008 †
- Genus Echinocladius Cranston, 2000
- Genus Edwardsidia Sæther, 1990
- Genus Einfeldia Kieffer, 1924
- Genus Electroneura Amaral, Silva & Baranov, 2024 †
- Genus Electrotenia Kalugina, 1980
- Genus Elpiscladius Harrison & Cranston, 2007
- Genus Endochironomus Kieffer, 1921 accepted as Endochironomus Lenz, 1922
- Genus Endochironomus Lenz, 1922
- Genus Endotendipes Lenz, 1955
- Genus Endotribelos Grodhaus, 1987
- Genus Eomicromimus Giłka, Zakrzewska & Andersen in Zakrzewska et al., 2023 †
- Genus Eoprocladius Szadziewski, Sontag & Dominiak, 2018 †
- Genus Eoriethia Giłka, Zakrzewska & Andersen in Zakrzewska et al., 2023 †
- Genus Epiocladius
- Genus Epoicocladius Sulc & Zavrel, 1924
- Genus Epotanytarsus Matsumura, 1917
- Genus Eraniella Namayandeh, Ghaderi, Ghobari & Mohammadi, 2021
- Genus Eretmoptera Kellogg, 1900
- Genus Eudactylocladius Thienemann, 1935
- Genus Eukiefferiella Thienemann, 1926
- Genus Euorthocladius Thienemann, 1935
- Genus Eurycnemus Wulp, 1874
- Genus Euryhapsis Oliver, 1981
- Genus Eusmittia Freeman, 1962
- Genus Eutanypus Coquillett in Jordan, 1899
- Genus Eutanytarsus Bause, 1914
- Genus Eutrichocladius Gouin, 1943
- Genus Fissimentum Cranston & Nolte, 1996
- Genus Fittkauimyia Karunakaran, 1969
- Genus Fleuria Kieffer, 1924
- Genus Flexicrus Seredszus & Wichard in Wichard, Gröhn & Seredszus, 2009 †
- Genus Fournieria Kieffer, 1924
- Genus Freemaniella Sæther, 1976 †
- Genus Friederia Sæther & Andersen, 1998
- Genus Fushunitendipes Hong, 1981
- Genus Galapagomyia Johnson, 1924
- Genus Georthocladius Strenzke, 1941
- Genus Gilkania Lukashevich, 2020 †
- Genus Gillotia Kieffer, 1921
- Genus Glushkovella Kalugina, 1993
- Genus Glyptotendipes Kieffer, 1913
- Genus Goeldichironomus Fittkau, 1965
- Genus Goetghebueria Kieffer, 1921
- Genus Graceus Goetghebuer, 1928
- Genus Gravatamberus Mendes & Andersen, 2008
- Genus Gressittius Sublette & Wirth, 1980
- Genus Gripekovenia Kieffer, 1918
- Genus Guassutanypus Roque & Trivinho-Strixino, 2003
- Genus Gujaratomyia Giłka & Zakrzewska, 2016 †
- Genus Gurvanomyia Kalugina, 1986
- Genus Guttipelopia Fittkau, 1962
- Genus Guvanomyia
- Genus Gymnometriocnemis
- Genus Gymnometriocnemus Goetghebuer, 1932 accepted as Gymnometriocnemus Edward, 1932
- Genus Gymnometriocnemus Edward, 1932
- Genus Gynnidocladius Sublette & Wirth, 1980
- Genus Gynocladius Mendes, Sæther & Andrade-Morraye, 2005
- Genus Habrobaenus Sæther, 1977
- Genus Haematotanypus Azar, Veltz & Nel, 2008 †
- Genus Hahayusurika Sasa & Suzuki, 1997
- Genus Halirytus Eaton, 1875 accepted as Telmatogeton Schiner, 1866
- Genus Halliella Kieffer, 1911
- Genus Halocladius Hirvenoja, 1973
- Genus Halotanytarsus
- Genus Hanochironomus Ree, 1992
- Genus Hanocladius Wang & Sæther, 2002
- Genus Harnischia Kieffer, 1921
- Genus Harrisius Freeman, 1959
- Genus Harrisonina Freeman, 1956
- Genus Hayesomyia Murray & Fittkau, 1985
- Genus Heleniella Gouin, 1943
- Genus Helopelopia Roback, 1971
- Genus Henrardia Goetghebuer, 1936
- Genus Heplagyia
- Genus Heptagia Edwards, 1928 accepted as Heptagyia Philippi, 1865
- Genus Heptagyia Philippi, 1865
- Genus Heterotanytarsus Spärck, 1923
- Genus Heterotrissocladius Spärk, 1923
- Genus Hevelius Sublette & Wirth, 1980
- Genus Hexatanytarsus Kieffer, 1921
- Genus Heynotendipes Spies & Sæther, 2004 accepted as Glyptotendipes Kieffer, 1913
- Genus Himatendipes Tokunaga, 1959
- Genus Hintelmanniella Baranov & Haug in Baranov et al., 2022 †
- Genus Hirosimayusurika Sasa, Shimomura & Matsuo, 1991
- Genus Holotanypus Roback, 1982
- Genus Holtedahlia Kieffer, 1922
- Genus Hudsonimyia
- Genus Hulstaertiella Goetghebuer, 1936
- Genus Hulstaertulus Goetghebuer, 1948
- Genus Hydrobaenus Fries, 1830
- Genus Hydrosmittia Ferrington & Sæther, 2011
- Genus Hyporhygma Reiss, 1982
- Genus Ichthyocladius Fittkau, 1974
- Genus Ikiprimus Sasa & Suzuki, 1999
- Genus Ikisecundus Sasa & Suzuki, 1999
- Genus Imparipecten Freeman, 1961
- Genus Indoaxarus Maheshwari & Maheshwari, 2001
- Genus Indocladius Chaudhuri & Bhattacharyay, 1989
- Genus Indoclavitarsus Santokh, Singh & Kulshrestha, undated
- Genus Inermipupa Langton & Cobo, 1997
- Genus Insulanus Sublette, 1967 † accepted as Xestochironomus Sublette & Wirth, 1972
- Genus Ionthosmittia Sæther & Andersen, 1995
- Genus Irisobrillia Oliver, 1985
- Genus Irmakia Reiss, 1988 accepted as Demicryptochironomus Lenz, 1941
- Genus Isocladius Kieffer, 1909
- Genus Isoplastus Skuse, 1889
- Genus Isoplasus
- Genus Isoplatus
- Genus Jentzschiella Meunier, 1899
- Genus Jurochlus Kalugina in Kalugina & Kovalev, 1985
- Genus Juropelopia Evenhuis, 1994 †
- Genus Jururumberus Mendes & Andersen, 2013
- Genus Kaluginia Makarchenko, 1987
- Genus Kamelopelopia Harrison, 1978
- Genus Kaniwhaniwhanus Boothroyd, 1999
- Genus Karelia Roback, 1971
- Genus Kiefferophyes Freeman, 1961
- Genus Kiefferulus Goetghebuer, 1922
- Genus Kimius Ree, 1981
- Genus Kloosia Kruseman, 1933
- Genus Knepperia Kieffer, 1908
- Genus Krenopelopia Fittkau, 1962
- Genus Krenopsectra Reiss, 1969
- Genus Krenosmittia Thienemann & Krüger, 1939
- Genus Kribibius
- Genus Kribiobius Kieffer, 1921
- Genus Kribiocallis Kieffer, 1921
- Genus Kribiocharis Kieffer, 1921
- Genus Kribiocladius Kieffer, 1923
- Genus Kribiocosmus Kieffer, 1921
- Genus Kribiocryptus Kieffer, 1921
- Genus Kribiodorum Kieffer, 1921
- Genus Kribiodosis Kieffer, 1921
- Genus Kribiodoxa Kieffer, 1921
- Genus Kribiomimus Kieffer, 1921
- Genus Kribiomyia Kieffer, 1921
- Genus Kribionympha Kieffer, 1921
- Genus Kribiopelma Kieffer, 1921
- Genus Kribiothauma Kieffer, 1921
- Genus Kribioxenus auct., non Kieffer, 1921
- Genus Kurobebrillia Sasa & Ogata, 1999
- Genus Kuschelius Sublette & Wirth, 1980
- Genus Kuzinia Shilova, 2001
- Genus Labrundinia Fittkau, 1962
- Genus Langtonius Lukashevich & Przhiboro, 2018 †
- Genus Lappodiamesa Serra-Tosio, 1969
- Genus Lappokiefferiella Tuiskunen in Tuiskunen & Lindeberg, 1986
- Genus Lapposmittia Thienemann, 1939
- Genus Larsia Fittkau, 1962
- Genus Lasiodiamesa Kieffer, 1924
- Genus Laurotanypus de Oliveira, da Conceicao Messias & da Silva-Vasconcelos, 1992
- Genus Lauterbornia Kieffer, 1911
- Genus Lauterborniella Bause, 1914
- Genus Lebanorthocladius Veltz, Azar & Nel, 2007 †
- Genus Lenzia Kieffer, 1922
- Genus Lenziella Kieffer, 1922
- Genus Lenziola Kieffer, 1925
- Genus Lepidopelopia Harrison, 1970
- Genus Lepidopodus Freeman, 1958
- Genus Leptochironomus Pagast, 1931 accepted as Leptochironomus Lenz, 1941
- Genus Leptochironomus Lenz, 1941
- Genus Lerheimia Andersen & Sæther, 1993
- Genus Libanochlites Brundin, 1976 †
- Genus Libanodiamesa Veltz, Azar & Nel, 2007 †
- Genus Libanopelopia Veltz, Azar & Nel, 2007 †
- Genus Limaya Brundin, 1966
- Genus Limnochironomus Kieffer, 1920
- Genus Limnophyes Eaton, 1875
- Genus Linacerus Garrett, 1928
- Genus Lindebergia Tuiskunen, 1984
- Genus Linevitshia Makarchenko, 1987
- Genus Lipiniella Shilova, 1961
- Genus Lipurometriocnemus Sæther, 1981
- Genus Lithotanytarsus Thienemann, 1934
- Genus Litocladius Mendes, Andersen & Sæther, 2004
- Genus Ljungneria Brundin, 1964
- Genus Lobochironomus Ryser, Wulker & Scholl, 1985
- Genus Lobodiamesa Pagast, 1947
- Genus Lobomyia Niitsuma, 2007
- Genus Lobosmittia Sæther & Andersen, 1993
- Genus Lopescladius Oliveira, 1967
- Genus Lordella Sæther & Sublette, 1983
- Genus Lunditendipes Harrison, 2000
- Genus Lundstroemia Kieffer, 1921
- Genus Lundstroemiella Kieffer, 1923
- Genus Lundstroemiola Kieffer, 1924
- Genus Lunstroemia
- Genus Lymnophyes
- Genus Lyrocladius Mendes & Andersen, 2008
- Genus Macropelopia Thienemann in Thienemann & Kieffer, 1916
- Genus Mailonia Kalugina in Kalugina & Kovalev, 1985
- Genus Manlayamyia Kalugina, 1980
- Genus Manoa
- Genus Maoridiamesa Pagast, 1947
- Genus Mapucheptagyia Willassen
- Genus Maricladius Sublette, 1970
- Genus Maryella Sublette & Wirth, 1980
- Genus Maurius Lehmann, 1981
- Genus Maximberus Andersen & Mendes, 2012
- Genus Mecaorus Sublette & Wirth, 1980
- Genus Megacentron Freeman, 1961
- Genus Meropelopia Roback, 1971
- Genus Merotanypus Roback, 1971
- Genus Mesoacentron Giłka, Zakrzewska, Lukashevich & Cranston, 2021 †
- Genus Mesocricotopus Brundin, 1956
- Genus Mesopelopia Kalugina in Kalugina & Kovalev, 1985
- Genus Mesopelopia Roback, 1971
- Genus Mesopsectrocladius Laville, 1972 †
- Genus Mesorthocladius Sæther, 2005 accepted as Orthocladius Wulp, 1874
- Genus Mesosmittia Brundin, 1956
- Genus Metapelopia da Silva, Neubern de Oliveira & Trivinho-Strixino, 2014
- Genus Metriocnemus Van der Wulp, 1874
- Genus Miambera Andersen & Mendes, 2012
- Genus Micotendipes
- Genus Microchironomus Kieffer, 1921
- Genus Microcricotopus Thienemann & Harnisch, 1932 accepted as Microcricotopus Goetghebuer, 1944
- Genus Microcricotopus Goetghebuer, 1944 accepted as Nanocladius Kieffer in Alluaud & Jeannel, 1913
- Genus Microlenzia Kieffer, 1925
- Genus Micropelopia Thienemann & Zavrel, 1916
- Genus Micropsectra Kieffer, 1909
- Genus Microtendipes Kieffer, 1915
- Genus Microzetia Séguy, 1965
- Genus Miscellanea Zorina, 2000
- Genus Mogsonomus Kalugina in Kalugina & Kovalev, 1985
- Genus Molleriella Sæther & Ekrem, 1999
- Genus Mongolchironomus Sasa & Suzuki, 1997
- Genus Mongolcladius Sasa & Suzuki, 1997
- Genus Mongolyusurika Sasa & Suzuki, 1997
- Genus Monodiamesa Kieffer, 1921
- Genus Monopelopia Fittkau, 1962
- Genus Monotanytarsus Kieffer, 1921
- Genus Murraycladius Ashe & O'Connor, 2007
- Genus Myanmaro Giłka, Makarchenko, Pankowski & Zakrzewska, 2019 †
- Genus Myanmaro Giłka, Makarchenko, Pankowski & Zakrzewska, 2019 †
- Genus Naelotanypus Roback, 1982
- Genus Nakataia Sublette & Wirth, 1980
- Genus Nandeva Wiedenbrug, Reiss & Fittkau, 1998
- Genus Nanocladius Kieffer in Alluaud & Jeannel, 1913
- Genus Naonella Booth, 1994
- Genus Nasuticladius Freeman, 1961
- Genus Natarsia Fittkau, 1962
- Genus Natvigia Kieffer, 1922
- Genus Neelamia Soponis, 1987
- Genus Neobrillia Kawai, 1991
- Genus Neoceratopogon Malloch, 1915 accepted as Alluaudomyia Kieffer, 1913
- Genus Neopodonomus Chaudhuri & Ghosh, 1981
- Genus Neostempellina Reiss, 1984
- Genus Neozavrelia Goetghebuer & Thienemann, 1941
- Genus Nepalia Kieffer, 1911
- Genus Nesiocladius Sublette & Wirth, 1980
- Genus Nidnurbia Sawedal, 1982
- Genus Nilodorum Kieffer, 1921
- Genus Nilodosis Kieffer, 1921
- Genus Nilomyia Kieffer, 1921
- Genus Nilotanypus Kieffer, 1923
- Genus Nilothauma Kieffer, 1921
- Genus Nimbocera Reiss, 1972
- Genus Ninelia Makarchenko & Makarchenko, 2004
- Genus Nomochirus Collado, 1926 †
- Genus Nonella
- Genus Nostococladius Ashe & Murray, 1980
- Genus Nothorthocladius Yamamoto, Yamamoto & Tang, 2018 accepted as Orthocladius Wulp, 1874
- Genus Notocladius Harrison, 1997
- Genus Ochlus Enderlein, 1912
- Genus Odontocladius Albu, 1974 accepted as Odontocladius Tatole, 1993
- Genus Odontocladius Tatole, 1993 accepted as Bryophaenocladius Thienemann, 1934
- Genus Odontomesa Pagast, 1947
- Genus Oeklandia Kieffer, 1922
- Genus Okayamayusurika Sasa, 1989
- Genus Okinawayusurika Sasa & Hasegawa, 1988
- Genus Olecryptotendipes Zorina, 2007
- Genus Oleia Andersen & Mendes, 2007
- Genus Oliveria Sæther, 1976 accepted as Oliveridia Sæther, 1980
- Genus Oliveridia Sæther, 1980
- Genus Omisus Townes, 1945
- Genus Onconeura Andersen & Sæther, 2005
- Genus Ophryophorus Freeman, 1959
- Genus Oropuella Fasbender, 2020
- Genus Orthocladius Wulp, 1874
- Genus Orthosmittia Goetghebuer, 1943
- Genus Ortroya Kieffer, 1921
- Genus Ortroyia Kieffer, 1921 accepted as Ortroya Kieffer, 1921
- Genus Orusa Lin, 1980
- Genus Oryctochlus Kalugina in Kalugina & Kovalev, 1985
- Genus Oschia Sæther, 1983
- Genus Oshia accepted as Oschia Sæther, 1983
- Genus Oukuriella Epler, 1986
- Genus Pachycladius Kieffer, 1923
- Genus Pachydiamesa Oliver, 1959
- Genus Pagastia Oliver, 1959
- Genus Pagastiella Brundin, 1949
- Genus Paicheleria Azar & Nel, 2010 †
- Genus Palaeoboreochlus Baranov & Andersen, 2014 †
- Genus Palaeocentron Giłka, Zakrzewska, Lukashevich & Cranston, 2021 †
- Genus Palatovia Makarchenko & Semenchenko, 2020
- Genus Pamirocesa Koçak & Kemal, 2008
- Genus Paraboreochlus
- Genus Paraborniella Freeman, 1961
- Genus Parachaetocladius Wülker, 1959
- Genus Parachaetocladius Freeman, 1964
- Genus Parachasmatonotus Doitteau & Nel, 2007 †
- Genus Parachironomus Lenz, 1921
- Genus Paracladius Hirvenoja, 1973
- Genus Paracladopelma Harnisch, 1923
- Genus Paraclunio Kieffer, 1911
- Genus Paracricotopus Thienemann & Harnisch, 1932 accepted as Paracricotopus Brundin, 1956
- Genus Paracricotopus Brundin, 1956
- Genus Paradoxocladius Harrison, 2000
- Genus Paraheptagyia Brundin, 1966
- Genus Parakiefferiella Thienemann, 1936
- Genus Paralarsia Cranston & Krosch, 2021
- Genus Paralauterborniella Lenz, 1941
- Genus Paralimnophyes Brundin, 1956
- Genus Paramerina Fittkau, 1962
- Genus Parametriocnemus Goetghebuer, 1932
- Genus Paranilothauma Soponis, 1987
- Genus Parapelopia Roback, 1971
- Genus Parapentaneura Stur, Fittkau & da Silva Serrano, 2006
- Genus Paraphaenocladius Thienemann, 1924
- Genus Paraphrotenia Brundin, 1966
- Genus Parapotthastia Serra-Tosio, 1969
- Genus Parapotthasttia
- Genus Parapsectra Reiss, 1969
- Genus Parapsectrocladius Cranston, 2000
- Genus Parartrichocladius
- Genus Paraskusella Cranston, 2018
- Genus Parasmittia Strenzke, 1950
- Genus Parastempellina Brundin, 1947
- Genus Paratanypus Garrett, 1925
- Genus Paratanytarsus Bause, 1914
- Genus Paratendipes Kieffer, 1911
- Genus Paratrichocladius Thienemann, 1942 † accepted as Paracladius Hirvenoja, 1973
- Genus Paratrichocladius Santos Abreu, 1918
- Genus Paratrissocladius Zavrel, 1937
- Genus Parochlus Enderlein, 1912
- Genus Parorthocladius Thienemann, 1935
- Genus Parvitergum Freeman, 1961
- Genus Paucispinigera Freeman, 1959
- Genus Paulfreemania Cranston & Krosch, 2011
- Genus Pebapomberus Mendes & Anderson, 2012
- Genus Pedionomus Sublette, 1964
- Genus Pelomus Reiss, 1989
- Genus Pelopia Meigen, 1800
- Genus Pentaneura Philippi, 1865
- Genus Pentaneurella Fittkau & Murray, 1983
- Genus Pentapedilum Kieffer, 1913
- Genus Petalocladius Sublette & Wirth, 1972
- Genus Petalopholeus Borkent, 1984
- Genus Phaenocladius Kieffer in Thienemann, 1921
- Genus Phaenopelma Kieffer, 1921
- Genus Phaenopsectra Kieffer, 1921
- Genus Phycoidella Sæther, 1971
- Genus Physoneura Ferrington & Sæther, 1995
- Genus Phytochironomus Kieffer, 1921
- Genus Phytotendipes Goetghebuer, 1934 accepted as Phytotendipes Goetghebuer, 1937
- Genus Phytotendipes Goetghebuer, 1937 accepted as Glyptotendipes Kieffer, 1913
- Genus Pirara Boothroyd & Cranston, 1995
- Genus Platycladius Sublette, 1970
- Genus Platysmittia Sæther, 1982
- Genus Plecopteracoluthus Steffan, 1965
- Genus Plhudsonia Sæther, 1982
- Genus Ploegia Doitteau & Nel, 2007 †
- Genus Podochlus Brundin, 1966
- Genus Podonomius Kalugina in Kalugina & Kovalev, 1985
- Genus Podonomopsis Brundin, 1966
- Genus Podonomus Philippi, 1865
- Genus Pogonocladius Brundin, 1956
- Genus Polypedilum Kieffer, 1913
- Genus Pontomyia Edwards, 1926
- Genus Potthastia Kieffer, 1922
- Genus Poxyaibamberus Andersen & Dantas, 2024
- Genus Probolum Andersen & Sæther, 2010 accepted as Polypedilum Kieffer, 1913
- Genus Prochironomus Kieffer, 1909
- Genus Procladius Skuse, 1889
- Genus Prodiamesa Kieffer, 1906
- Genus Prolipiniella Doitteau & Nel, 2007 †
- Genus Propsilocerus Kieffer, 1923
- Genus Prorietha
- Genus Proriethia Kieffer, 1921
- Genus Prosmittia Brundin, 1956
- Genus Protanypus Kieffer, 1906
- Genus Protanytarsus Kieffer, 1921
- Genus Protenthes Johannsen, 1907
- Genus Protiethia
- Genus Protobelgica Séguy, 1965
- Genus Psamathiomya
- Genus Psammathiomyia Deby, 1899
- Genus Psammocladius Hirvenoja, 1973
- Genus Psectrocladius Kieffer, 1906
- Genus Psectrotanypus Kieffer, 1909
- Genus Pseudhydrobaenus Brèthes, 1913
- Genus Pseudobezzia Malloch, 1915 accepted as Bezzia Kieffer, 1899
- Genus Pseudobrillia Niitsuma, 1991
- Genus Pseudochasmatonotus Doitteau & Nel, 2007 †
- Genus Pseudochironomus Malloch, 1915
- Genus Pseudocricotopus Nishida, 1987
- Genus Pseudodiamesa Goetghebuer in Lindner, 1939
- Genus Pseudokiefferiella Laurence, 1951 accepted as Pseudorthocladius Goetghebuer, 1943
- Genus Pseudorthocladius Goetghebuer, 1932 accepted as Pseudorthocladius Goetghebuer, 1943
- Genus Pseudorthocladius Goetghebuer, 1943
- Genus Pseudorthocladius Edwards, 1932 accepted as Mesosmittia Brundin, 1956
- Genus Pseudosmittia Goetghebuer, 1932 accepted as Pseudosmittia Edwards, 1932
- Genus Pseudosmittia Edwards, 1932
- Genus Psilochironomus Sublette, 1966
- Genus Psilocricotopus Sæther, 1985
- Genus Psilodiamesa Kieffer, 1918
- Genus Psilometriocnemus Sæther, 1969
- Genus Psilotanypus Kieffer, 1906 accepted as Procladius Skuse, 1889
- Genus Pterosis Sublette & Wirth, 1980
- Genus Qiniella Wang & Sæther, 1998
- Genus Radotanypus Fittkau & Murray, 1985
- Genus Raphidocladius Sæther, 1983
- Genus Reissia Brundin, 1981
- Genus Reissmesa Ashe, 2000
- Genus Reomyia Roback, 1987
- Genus Rhagosmittia Ferrington & Saether, 2006
- Genus Rheochlus Brundin, 1966
- Genus Rheocricotopus Thienemann & Harnisch, 1932 accepted as Rheocricotopus Brundin, 1956
- Genus Rheocricotopus Brundin, 1956
- Genus Rheomus Laville & Reiss, 1988
- Genus Rheopelopia Fittkau, 1962
- Genus Rheorthocladius Thienemann, 1935
- Genus Rheosmittia Brundin in Cranston & Saether, 1986
- Genus Rheosmittia Brundin, 1956 accepted as Rheosmittia Brundin in Cranston & Saether, 1986
- Genus Rheotanytarsus Bause & Thienemann, 1914
- Genus Rhinocladius Edwards, 1931
- Genus Rhopalocladius Kieffer, 1911
- Genus Riethia Kieffer, 1917
- Genus Robackia Sæther, 1977
- Genus Rosenia Kieffer, 1921
- Genus Saetheria Jackson, 1977
- Genus Saetheriella Halvorsen, 1982
- Genus Saetherocladius Andersen & Mendes, 2007
- Genus Saetherocryptus Andersen & Mendes, 2007
- Genus Saetherolabis Andersen & Mendes, 2007
- Genus Saetheromyia Niitsuma, 2007
- Genus Saetherops Andersen & Mendes, 2007
- Genus Sartaia Roback, 1983
- Genus Sasacricotopus Kobayashi & Sæther, 1999
- Genus Sasayusurika Makarchenko, 1993
- Genus Saunderia Sublette, 1967 accepted as Thalassosmittia Strenzke & Remmert, 1957
- Genus Schadinia
- Genus Schineriella Murray & Fittkau, 1988
- Genus Scopelodromus Chevrel, 1903
- Genus Semiocladius Sublette & Wirth, 1980
- Genus Sendelia Duisburg, 1868
- Genus Seppia Ekrem & Sæther, 2000
- Genus Sergentia Kieffer, 1922
- Genus Sergentina
- Genus Setukoyusurika Sasa & Suzuki, 2000
- Genus Shangomyia Sæther & Wang, 1993
- Genus Shilovia Makartshenko in Makarchenko, 1989
- Genus Shinanoyasurika Sasa & Hirabayashi, 1991
- Genus Shinanoyusurika
- Genus Shinlustia Kalugina, 1986
- Genus Sigmoitendipes Andersen, Fonseca Mendes & Pinho, 2017
- Genus Sinoryctochlus Zhang, 1991
- Genus Siolimyia Fittkau, 1968
- Genus Skusella Freeman, 1961
- Genus Skutzia Reiss, 1985
- Genus Smittia Holmgren, 1869
- Genus Spaniotoma Philippi, 1865
- Genus Spinorthocladius Doitteau & Nel, 2007 †
- Genus Stackelbergina Shilova & Zelentsov, 1978
- Genus Stelechomyia Reiss, 1982
- Genus Stempellina Bause, 1914
- Genus Stempellinella Brundin, 1947
- Genus Stenochironomus Kieffer, 1919
- Genus Stenocladius Kieffer, 1918
- Genus Stictochironomus Kieffer, 1919
- Genus Stictocladius Edwards, 1931
- Genus Stictotendipes Lenz, 1937
- Genus Stilocladius Rossaro, 1979
- Genus Stygocladius Moubayed-Breil, Ashe & Langton, 2012
- Genus Stylotanytarsus Kieffer, 1921
- Genus Sublettea Roback, 1975
- Genus Sublettiella Sæther, 1983
- Genus Sumatendipes Kikuchi & Sasa, 1990
- Genus Symbiocladius Kieffer, 1925
- Genus Symposiocladius Cranston, 1982 accepted as Orthocladius Wulp, 1874
- Genus Sympotthastia Pagast, 1947
- Genus Syncricotopus Brundin, 1956 accepted as Paratrichocladius Santos Abreu, 1918
- Genus Syndiamesa Kieffer, 1918
- Genus Synendotendipes Grodhaus, 1987
- Genus Synorthocladius Thienemann, 1935
- Genus Synpsilocerus Kieffer, 1923
- Genus Syntanytarsus Bause & Thienemann, 1914
- Genus Tanipus Rondani, 1856 accepted as Tanypus Meigen, 1803
- Genus Tanypodites
- Genus Tanypus Meigen, 1803
- Genus Tanytarsus van der Wulp, 1874
- Genus Tapajos Trivinho-Strixino, da Silva & de Oliveira, 2013
- Genus Tavastia Saether, 1992
- Genus Tavastia Tuiskunen, 1985
- Genus Telmatogeton Schiner, 1866
- Genus Telmatopelopia Fittkau, 1962
- Genus Telopelopia Roback, 1971
- Genus Tempisquitoneura Epler in Epler & de la Rosa, 1995
- Genus Tendipes Meigen, 1800 accepted as Chironomus Meigen, 1803
- Genus Tendipopsis Hong & Wang, 1990
- Genus Tethymyia Wirth, 1949
- Genus Thalassomya Schiner, 1856
- Genus Thalassomyia Schiner, 1856
- Genus Thalassosmittia Strenzke & Remmert, 1957
- Genus Thienemannia Kieffer, 1909
- Genus Thienemanniella Kieffer, 1911
- Genus Thienemannimyia Fittkau, 1957
- Genus Thienemanniola Kieffer, 1921
- Genus Thienimanniella
- Genus Tinactum Lin, 1980
- Genus Tobachironomus Kikuchi & Sasa, 1990
- Genus Tokunagaia Sæther, 1973
- Genus Tokunagayusurika Sasa, 1978
- Genus Tokyobrillia Kobayashi & Sasa, 1991
- Genus Tonnoirocladius Cranston, 2007
- Genus Tophocladius Kalugina in Kalugina & Kovalev, 1985
- Genus Tosayusurika Sasa, Suzuki & Sakai, 1998
- Genus Townsia Sublette, 1966
- Genus Toyamayusurika Sasa & Kawai, 1987
- Genus Tribelos Townes, 1945
- Genus Trichochilus Sæther, 1985
- Genus Trichocladius Kieffer, 1906
- Genus Trichodiamesa Goetghebuer, 1926
- Genus Trichosmittia Yamamoto, 1999
- Genus Trichotanypus Kieffer, 1906
- Genus Trichotendipes Guha, Das, Chaudhuri & Choudhuri, 1985
- Species Trichotendipes insulus Guha & Chaudhuri, 1985
- Genus Trichotendipes Heyn, 1993 accepted as Glyptotendipes Kieffer, 1913
- Genus Trichotomesa Hrabe, 1940 accepted as Pseudodiamesa Goetghebuer in Lindner, 1939
- Genus Tripedilum Kieffer, 1921
- Genus Tripelma Kieffer, 1913
- Genus Tripodura Townes, 1945
- Genus Trissocladius Kieffer, 1908
- Genus Trissopelopia Kieffer, 1923
- Genus Tritanytarsus Kieffer, 1921
- Genus Trondia Ferrington & Saether, 2006
- Genus Tsudayusurika Sasa, 1985
- Genus Tusimayusurika Sasa & Suzuki, 1999
- Genus Tvetenia Kieffer, 1922
- Genus Ubatubaneura Wiedenbrug & Trivinho-Strixino, 2009
- Genus Uirassubrillia Mendes, Andersen & Pinho, 2013
- Genus Ulaia Kalugina in Kalugina & Kovalev, 1985
- Genus Ulaimailia Kalugina in Kalugina & Kovalev, 1985
- Genus Ulaimailonia Kalugina in Kalugina & Kovalev, 1985
- Genus Ulaimailoniella Kalugina in Kalugina & Kovalev, 1985
- Genus Unniella Sæther, 1982
- Genus Uralia Lipina, 1939
- Genus Uresipedilum Oyewo & Sæther, 1998 accepted as Polypedilum Kieffer, 1913
- Genus Uresipedilum Sasa & Okazawa, 1991 accepted as Uresipedilum Oyewo & Sæther, 1998
- Genus Uresipedilum Sasa in Sasa & Kikuchi, 1995 accepted as Uresipedilum Oyewo & Sæther, 1998
- Genus Usambaromyia Andersen & Sæther, 1994
- Genus Viduata Lin, 1980
- Genus Virgatanytarsus Pinder, 1982
- Genus Vivacricotopus Schnell & Sæther, 1988
- Genus Wadelius Veltz, Azar & Nel, 2007 †
- Genus Wirthiella Sublette, 1960
- Genus Wuelkerella Suárez & Sublette, 2012
- Genus Wulpiella Kieffer, 1899
- Genus Xenochironomus Kieffer, 1921
- Genus Xenopelopia Fittkau, 1962
- Genus Xenotanytarsus Kieffer, 1921
- Genus Xestochironomus Sublette & Wirth, 1972
- Genus Xestotendipes Harrison, 2000
- Genus Xiaomyia Sæther & Wang, 1993
- Genus Xylochironomus Cranston, 2006
- Genus Xylotopus Oliver, 1982
- Genus Yaeprimus Sasa & Suzuki, 2000
- Genus Yaequartus Sasa & Suzuki, 2000
- Genus Yaequintus Sasa & Suzuki, 2000
- Genus Yaesecundus Sasa & Suzuki, 2000
- Genus Yaetanytarsus Sasa, 1990
- Genus Yaetertius Sasa & Suzuki, 2000
- Genus Yaethauma Yamamoto, Yamamoto & Tang, 2018
- Genus Yama Sublette & Martin, 1980
- Genus Yuasaiella Tokunaga, 1938
- Genus Zalutschia Lipina, 1939
- Genus Zavrelia Kieffer in Bause, 1914
- Genus Zavreliella Kieffer, 1920
- Genus Zavrelimyia Fittkau, 1962
- Genus Zelandochlus Brundin, 1966
- Genus Zelentsoviella Krasheninnikov, 2019
- Genus Zhouomyia Sæther & Wang, 1993
- Genus Ziadeus Azar & Nel, 2010 †
- Genus Zuluchironomus Harrison, 2000
- 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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