1. Tribe Afromysini Wittmann, Ariani & Lagardère, 2014
   1. Genus Afromysis Zimmer, 1916
   2. Genus Australomysis W. Tattersall, 1927
   3. Genus Bathymysis W. Tattersall, 1907
   4. Genus Ceratodoxomysis Murano, 2003
   5. Genus Dioptromysis Zimmer, 1915
   6. Genus Doxomysis Hansen, 1912
   7. Genus Hyperiimysis Nouvel, 1966
   8. Genus Iimysis Nouvel, 1966
   9. Genus Mysideis G.O. Sars, 1869
   10. Genus Neobathymysis Bravo & Murano, 1996
   11. Genus Neodoxomysis Murano, 1999
   12. Genus Nouvelia Bacescu & Vasilescu, 1973
   13. Genus Prionomysis W. Tattersall, 1922
   14. Genus Promysis Dana, 1850
   15. Genus Pseudobranchiomysis Carcedo, Fiori & Hoffmeyer, 2013
   16. Genus Pseudomysis G. O. Sars, 1879
   17. Genus Pseudoxomysis Nouvel, 1973
   18. Genus Rostromysis Panampunnayil, 1987
   19. Genus Tenagomysis Thomson, 1900
2. Tribe Leptomysini Czerniavsky, 1882
   1. Genus Antichthomysis Fenton, 1991
   2. Genus Leptomysis G.O. Sars, 1869
   3. Genus Megalopsis Panampunnayil, 1987
   4. Genus Notomysis Wittmann, 1986
   5. Genus Paraleptomysis Liu & Wang, 1983
   6. Genus Pyroleptomysis Wittmann, 1985
3. Tribe Mysidopsini Wittmann, Ariani & Lagardère, 2014
   1. Genus Americamysis Price, Heard & Stuck, 1994
   2. Genus Brasilomysis Bacescu, 1968
   3. Genus Cubanomysis Bacescu, 1968
   4. Genus Metamysidopsis W.M. Tattersall, 1951
   5. Genus Mysidopsis G.O. Sars, 1864
4. Genus Leptocaris Aurivillius, 1898 accepted as Mesopodopsis Czerniavsky, 1882
5. Genus Nysidopsis G.O. Sars, 1864 accepted as Mysidopsis G.O. Sars, 1864 (spelling mistake)
6. Genus Paramysidopsis Zimmer, 1912 accepted as Mysidopsis G.O. Sars, 1864
7. Genus Proleptomysis Wittmann, 1985 accepted as Pyroleptomysis Wittmann, 1985 (misspelling of Pyroleptomysis Wittmann, 1985)
8. Genus Thenagomysis Thomson, 1900 accepted as Tenagomysis Thomson, 1900 (spelling variation)
9. Genus Uromysis Hansen, 1910 accepted as Promysis Dana, 1850 (unaccepted > junior subjective synonym)

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