| Subfamily | Boreomysinae
Holt & Tattersall, 1905
| 4
69 | Genera
Species |
| Subfamily | Erythropinae
Hansen, 1910
| 44
260 | Genera
Species |
| Subfamily | Gastrosaccinae
Norman, 1892
| 11
157 | Genera
Species |
| Subfamily | Heteromysinae
Norman, 1892
| 6
10 | Genera
Species |
| Subfamily | Leptomysinae
Hansen, 1910
| 23
197 | Genera
Species |
| Subfamily | Mancomysinae
Bacescu & Iliffe, 1986
| 1
4 | Genus
Species |
| Subfamily | Mysidellinae
Czerniavsky, 1882
| 1
19 | Genus
Species |
| Subfamily | Mysinae
Haworth, 1825
| 89
1014 | Genera
Species |
| Subfamily | Rhopalophthalminae
Hansen, 1910
| 1
27 | Genus
Species |
| Subfamily | Siriellinae
Norman, 1892
| 9
158 | Genera
Species |
| Genus | Abyssomysis
Wittmann, 2020
| 1 | Species |
| Genus | Acanthocaris
Sim, 1872
| 2 | Species |
| Genus | Allienacanthomysis
| 1 | Species |
| Genus | Amphiakrops
Wittmann, 2024
| 3 | Species |
| Genus | Anchialus
Krøyer, 1861
| 0 | Species |
| Genus | Aviamysis
San Vicente & CartanyÃ, 2017
| 1 | Species |
| Genus | Bowmaniella
Bacescu, 1968 ⇒ Chlamydopleon
| 17 | Species |
| Genus | Brutomysis
Chun, 1896 ⇒ Euchaetomera
| 1 | Species |
| Genus | Caesaromysides
Colosi, 1916 ⇒ Caesaromysis
| 1 | Species |
| Genus | Callomysis
Holmes, 1894 ⇒ Archaeomysis
| 1 | Species |
| Genus | Canegieomysis
| 1 | Species |
| Genus | Chalcophthalmus
Illig, 1906 ⇒ Dactylamblyops
| 1 | Species |
| Genus | Chelamblyops
Wittmann, 2024
| 1 | Species |
| Genus | Corellamysis
San Vicente & Monniot F., 2014
| 1 | Species |
| Genus | Cynthia
Thompson, 1829
| 0 | Species |
| Genus | Desmocornea
Wittmann, 2024
| 1 | Species |
| Genus | Dohrnia
Malm, 1874
| 0 | Species |
| Genus | Enchinomysides
| 1 | Species |
| Genus | Eoamblyops
Murano, 2013
| 1 | Species |
| Genus | Euxinomysis
Czerniavsky, 1882 ⇒ Diamysis
| 2 | Species |
| Genus | Gebia
Leach, 1815 ⇒ Upogebia
| 40 | Species |
| Genus | Gnathomysis
Bonnier & Perez, 1902 ⇒ Heteromysis
| 1 | Species |
| Genus | Holmesimyss
| 1 | Species |
| Genus | Holmsiella
Ortmann, 1908 ⇒ Holmesiella
| 1 | Species |
| Genus | Inusitatiomysis
Li, 1940 ⇒ Inusitatomysis
| 3 | Species |
| Genus | Ischiomysis
Wittmann, 2013
| 3 | Species |
| Genus | Kainomatomysis
W. M. Tattersall, 1927 ⇒ Kainommatomysis
| 3 | Species |
| Genus | Kesslerella
Czerniavsky, 1882
| 5 | Species |
| Genus | Leptocaris
Aurivillius, 1898
| 0 | Species |
| Genus | Liella ♰
Cui & Huo, 1985
| 2 | Species |
| Genus | Longidentia
Daneliya, 2004
| 0 | Species |
| Genus | Macropsis
G.O.Sars, 1877
| 0 | Species |
| Genus | Mastigophthalmus
Illig, 1906 ⇒ Euchaetomera
| 1 | Species |
| Genus | Megalophthalmus
Leach, 1830
| 1 | Species |
| Genus | Mesomys
Sars, 1893
| 0 | Species |
| Genus | Mesomysis
Czerniavsky, 1882 ⇒ Mysis
| 15 | Species |
| Genus | Metamysidella
Illig, 1906
| 1 | Species |
| Genus | Michtheimysis
Norman, 1902 ⇒ Mysis
| 2 | Species |
| Genus | Muscamysis
Kou, Meland & Li, 2024
| 1 | Species |
| Genus | Mychthyops
Tattersall, 1911 ⇒ Michthyops
| 0 | Species |
| Genus | Mysidia
Dana, 1850
| 0 | Species |
| Genus | Nakazawai
Murano, 1981 ⇒ Nakazawaia
| 0 | Species |
| Genus | Nanoparamysis
Daneliya, 2004
| 0 | Species |
| Genus | Nematopus
G.O. Sars, 1863
| 1 | Species |
| Genus | Occiparamysis
Daneliya, 2004
| 0 | Species |
| Genus | Olivaemysis
Bacescu, 1979
| 0 | Species |
| Genus | Olivemysis
Bacescu, 1968
| 0 | Species |
| Genus | Onychomysis
Czerniavsky, 1882 ⇒ Mysis
| 2 | Species |
| Genus | Paranisomysis
Bacescu, 1973 ⇒ Anisomysis
| 0 | Species |
| Genus | Potamomysis
Czerniavsky, 1882 ⇒ Diamysis
| 2 | Species |
| Genus | Pseudanisomysis ♰
Murano & Fukuoka, 2003
| 0 | Species |
| Genus | Pseudobranchiomysis
Carcedo, Fiori & Hoffmeyer, 2013
| 1 | Species |
| Genus | Pseudoparamysis
Bacescu, 1940 ⇒ Paramysis
| 1 | Species |
| Genus | Schizurakrops
Wittmann, 2024
| 1 | Species |
| Genus | Serrapalpisis
Daneliya, 2004
| 0 | Species |
| Genus | Siriellerythrops
Ledoyer, 1970 ⇒ Siriella
| 1 | Species |
| Genus | Stellamblyops
Petryashov & Frutos, 2017
| 2 | Species |
| Genus | Taphropmysis
| 1 | Species |
| Genus | Tenogomysis
| 10 | Species |
| Genus | Thenagomysis
Thomson, 1900 ⇒ Tenagomysis
| 0 | Species |
| Genus | Uromysis
Hansen, 1910
| 1 | Species |
| Genus | Xenomysis
Kou, Meland & Li, 2020
| 1 | Species |
| Genus | Zangis
Gistl, 1848
| 0 | Species |
