| Subfamily | Discomyzinae
Acloque, 1897
| 1
15 | Genus
Species |
| Subfamily | Ephydrinae
Zetterstedt, 1837
| 25
706 | Genera
Species |
| Subfamily | Gymnomyzinae
Latreille, 1829
| 8
28 | Genera
Species |
| Subfamily | Hydrelliinae
Robineau-Desvoidy, 1830
| 18
853 | Genera
Species |
| Subfamily | Hydrellinae
Schiner, 1864
| 0
0 | Genera
Species |
| Subfamily | Ilytheinae
Cresson, 1943
| 0
0 | Genera
Species |
| Subfamily | Parydrinae
Wirth & Stone, 1956
| 19
471 | Genera
Species |
| Subfamily | Psilopinae
Cresson, 1925
| 48
980 | Genera
Species |
| Genus | Acanthonotiphila
Lamb, 1912 ⇒ Paratissa
| 2 | Species |
| Genus | Achaetorisa
Papp, 1980
| 2 | Species |
| Genus | Agrolimna
Cresson, 1917
| 2 | Species |
| Genus | Aquachasma
| 23 | Species |
| Genus | Athryoglossa
| 1 | Species |
| Genus | Atissina
Enderlein, 1936
| 0 | Species |
| Genus | Axista
Rondani, 1856 ⇒ Axysta
| 0 | Species |
| Genus | Beckeriella
Williston, 1897
| 14 | Species |
| Genus | Blepharisarsis
Schiner, 1868 ⇒ Blepharitarsis
| 0 | Species |
| Genus | Blepharitarsis
Macquart, 1843
| 1 | Species |
| Genus | Blepharotarsus
Agassiz, 1846 ⇒ Blepharitarsis
| 0 | Species |
| Genus | Brachyceutera
| 2 | Species |
| Genus | Calocephala
Zetterstedt, 1846 ⇒ Pelina
| 1 | Species |
| Genus | Cavatorella
Deonier, 1995
| 2 | Species |
| Genus | Centromeromyia
Frey, 1954 ⇒ Scatophila
| 1 | Species |
| Genus | Ceratocera
Agassiz, 1846 ⇒ Keratocera
| 1 | Species |
| Genus | Cerobothrium
Frey, 1958
| 4 | Species |
| Genus | Cerometopum
Cresson, 1914
| 2 | Species |
| Genus | Ceropsila
| 1 | Species |
| Genus | Chaetoapnaea
Hendel, 1930
| 0 | Species |
| Genus | Chaetoscatella
Malloch, 1934 ⇒ Scatella
| 2 | Species |
| Genus | Clasiopa
Stenhammar, 1844 ⇒ Discocerina
| 19 | Species |
| Genus | Coganolimna
Ale-Rocha & Mathis, 2015
| 0 | Species |
| Genus | Cressoniella
Mitchell, 1934 ⇒ Philygria
| 14 | Species |
| Genus | Cyphops
Jaennicke, 1867
| 1 | Species |
| Genus | Dagus
Cresson, 1935
| 9 | Species |
| Genus | Diasemocera
Bezzi, 1895
| 24 | Species |
| Genus | Dichaetopareia
Oldenberg, 1923 ⇒ Ilythea
| 2 | Species |
| Genus | Dicheta
Rondani, 1856 ⇒ Dichaeta
| 0 | Species |
| Genus | Dichoeta
Macquart, 1835 ⇒ Dichaeta
| 0 | Species |
| Genus | Diedrops
Mathis & WIrth, 1976
| 4 | Species |
| Genus | Dimocoenia
Curran, 1934 ⇒ Dimecoenia
| 0 | Species |
| Genus | Dioscocerina
Macquart, 1835
| 0 | Species |
| Genus | Discocerinella
Mercier, 1927
| 1 | Species |
| Genus | Discomyzoides
Becker, 1926 ⇒ Clanoneurum
| 1 | Species |
| Genus | Discostriata
Krivosheina, 2008
| 0 | Species |
| Genus | Domina
Hutton, 1901 ⇒ Psilopa
| 1 | Species |
| Genus | Dryxella
Krivosheina, 2013
| 1 | Species |
| Genus | Enchastes
Lamb, 1912 ⇒ Placopsidella
| 1 | Species |
| Genus | Ephidra
Rondani, 1856 ⇒ Ephydra
| 0 | Species |
| Genus | Ephygrobia
Schiner, 1862 ⇒ Psilopa
| 20 | Species |
| Genus | Epiphasis
Becker, 1907 ⇒ Allotrichoma
| 1 | Species |
| Genus | Eremomusca
Mathis, 1985
| 2 | Species |
| Genus | Eremotrichoma
Giordani Soika, 1956
| 7 | Species |
| Genus | Eupsilopa
Malloch, 1934 ⇒ Trypetomima
| 1 | Species |
| Genus | Eustigoptera
Cresson, 1930
| 0 | Species |
| Genus | Glabrinus
Rondani, 1856 ⇒ Mosillus
| 1 | Species |
| Genus | Gymnopa
Fallen, 1820 ⇒ Panemeria
| 17 | Species |
| Genus | Gymnopha
Rondani, 1856 ⇒ Gymnopa
| 0 | Species |
| Genus | Gynmopa
| 1 | Species |
| Genus | Halephydra
Wirth, 1971
| 0 | Species |
| Genus | Haplochila
Enderlein, 1922 ⇒ Ochthera
| 2 | Species |
| Genus | Hemicyclops
De Meijere, 1913 ⇒ Hecamede
| 2 | Species |
| Genus | Heringium
Enderlein, 1934 ⇒ Clanoneurum
| 1 | Species |
| Genus | Hidropota
Lioy, 1864 ⇒ Hydrellia
| 0 | Species |
| Genus | Hoploaegis
Cresson, 1944
| 1 | Species |
| Genus | Hopoloaegis
| 1 | Species |
| Genus | Hydrina
Robineau-Desvoidy, 1830 ⇒ Philygria
| 24 | Species |
| Genus | Hydropota
Rondani, 1861
| 0 | Species |
| Genus | Hydropyrus
Cresson, 1934 ⇒ Cirrula
| 1 | Species |
| Genus | Hygrella
Haliday, 1839
| 0 | Species |
| Genus | Isgamera
Giordani Soika, 1956
| 2 | Species |
| Genus | Karema
Cresson, 1929
| 2 | Species |
| Genus | Keratocera
Robineau-Desvoidy, 1830 ⇒ Notiphila
| 7 | Species |
| Genus | Leptocoenia
Mathis, 1975
| 0 | Species |
| Genus | Leptopsilepa
| 1 | Species |
| Genus | Lissodrosophila
Okada, 1966
| 1 | Species |
| Genus | Macrochyra
Robineau-Desvoidy, 1830
| 0 | Species |
| Genus | Medeterus
Meigen, 1824 ⇒ Medetera
| 111 | Species |
| Genus | Mesopsilopa
| 1 | Species |
| Genus | Mocillus
Samouelle, 1819 ⇒ Mosillus
| 0 | Species |
| Genus | Mydaezealandia
Salmon, 1937 ⇒ Ephydrella
| 1 | Species |
| Genus | Napeae
| 1 | Species |
| Genus | Napoea
Rondani, 1856
| 0 | Species |
| Genus | Neohydrellia
Malloch, 1935 ⇒ Hyadina
| 1 | Species |
| Genus | Neopsilopa
| 1 | Species |
| Genus | Neotrichoma
Mathis & Zatwarnicki, 2012 ⇒ Allotrichoma
| 0 | Species |
| Genus | Neozealides
| 3 | Species |
| Genus | Nesopsilopa
Mathis & WIrth, 1977
| 3 | Species |
| Genus | Ochtera
Fallén & Rodhe, 1810 ⇒ Ochthera
| 3 | Species |
| Genus | Ochtheroidea
Williston, 1896 ⇒ Athyroglossa
| 8 | Species |
| Genus | Orhthera
| 1 | Species |
| Genus | Oscinomima
Enderlein, 1912 ⇒ Placopsidella
| 1 | Species |
| Genus | Paranapaea
Hendel, 1930
| 0 | Species |
| Genus | Parascatella
Cresson, 1935 ⇒ Scatella
| 15 | Species |
| Genus | Parathyroglossa
Hendel, 1931 ⇒ Athyroglossa
| 1 | Species |
| Genus | Parephydra
Coquillett, 1902 ⇒ Atissa
| 1 | Species |
| Genus | Parhydra
| 0 | Species |
| Genus | Parhydroptera
Becker in Lindner, 1926 ⇒ Parydroptera
| 0 | Species |
| Genus | Pegophila
Rondani, 1856 ⇒ Notiphila
| 1 | Species |
| Genus | Pelex
Cresson, 1925 ⇒ Ceropsilopa
| 1 | Species |
| Genus | Pelignus
Cresson, 1926 ⇒ Schema
| 3 | Species |
| Genus | Peltopsilopa
Hendel, 1914
| 4 | Species |
| Genus | Phaiosterna
Cresson, 1916 ⇒ Paralimna
| 1 | Species |
| Genus | Philippinocesa
Kocak & Kemal, 2010
| 0 | Species |
| Genus | Philygra
| 1 | Species |
| Genus | Philygriola
Hendel, 1917 ⇒ Nostima
| 1 | Species |
| Genus | Physemops
Cresson, 1934
| 6 | Species |
| Genus | Plagiops ♰
Townsend, 1911 ⇒ Chetogena
| 4 | Species |
| Genus | Plagiopsis
Cresson, 1934 ⇒ Aphria
| 5 | Species |
| Genus | Poecilostenia
Bezzi, 1908
| 2 | Species |
| Genus | Poecilothorax
Pleske, 1922 ⇒ Paralimna
| 1 | Species |
| Genus | Pogonephydra
Hendel, 1917 ⇒ Cirrula
| 1 | Species |
| Genus | Pseudoedenops
Seguy, 1951
| 1 | Species |
| Genus | Pseudohecamede
Hendel, 1936 ⇒ Allotrichoma
| 4 | Species |
| Genus | Pseudopelina
Miyagi, 1977
| 1 | Species |
| Genus | Psilephydra
Hendel, 1914
| 10 | Species |
| Genus | Psilopoidea
Cresson, 1939
| 1 | Species |
| Genus | Psiloposoma
Frey, 1958
| 1 | Species |
| Genus | Reymontopa
Zatwarnicki, 2016
| 0 | Species |
| Genus | Rhinchopsilopa
| 3 | Species |
| Genus | Rhychopsilopa
| 1 | Species |
| Genus | Rhynchopsilopa
Hendel, 1913
| 26 | Species |
| Genus | Risa
Becker, 1907
| 7 | Species |
| Genus | Saphaea
Robineau-Desvoidy, 1830
| 1 | Species |
| Genus | Scotimyza
Macquart, 1835
| 1 | Species |
| Genus | Scotomyza
Agassiz, 1846
| 0 | Species |
| Genus | Sinops
Zhang, Yang & Mathis, 2005
| 4 | Species |
| Genus | Sklodowskopa
Zatwarnicki, 2016
| 0 | Species |
| Genus | Soikia
Canzoneri & Meneghini, 1969 ⇒ Hecamede
| 1 | Species |
| Genus | Stenochthera
Hendel, 1930 ⇒ Ochthera
| 3 | Species |
| Genus | Stictoscatella
Collin, 1930
| 0 | Species |
| Genus | Strandillus
Duda, 1942 ⇒ Chlorichaeta
| 1 | Species |
| Genus | Strandiscocera
Duda, 1942
| 1 | Species |
| Genus | Synhoplos
Lamb, 1917 ⇒ Scatella
| 3 | Species |
| Genus | Teicomyza
Rondani, 1856 ⇒ Scatella
| 0 | Species |
| Genus | Tetramerogastra
Hendel, 1914
| 1 | Species |
| Genus | Thiomyia
Wirth, 1954 ⇒ Paracoenia
| 1 | Species |
| Genus | Tichomyza
Agassiz, 1846 ⇒ Scatella
| 0 | Species |
| Genus | Trimerogaster
| 2 | Species |
| Genus | Trypetomina
Cresson, 1929 ⇒ Trypetomima
| 0 | Species |
| Genus | Tunisia
Becker, 1907 ⇒ Homalometopus
| 1 | Species |
