Isaeidae Dana, 1853
Gammaropsis abyssalis Stephensen, 1944
Gammaropsis aculeata Mateus & Mateus, 1986
Gammaropsis afra Stebbing, 1888
Gammaropsis alamoana J. L. Barnard, 1970
Gammaropsis amchitkensis (Conlan, 1983)
Gammaropsis angustimana (Conlan, 1983)
Gammaropsis anomala (Chevreux, 1926)
Gammaropsis arawakia Thomas & Barnard, 1989
Gammaropsis atlantica Stebbing, 1888
Gammaropsis avera (Reid, 1951)
Gammaropsis barnardi Kudrjaschov & Tzvetkova, 1975
Gammaropsis (Gammaropsis) bennetti Thurston, 1974
Gammaropsis bispinimanus Bate, 1862
Gammaropsis (Segamphopus) blaisus (K.H. Barnard, 1932)
Gammaropsis chelifera (Chevreux, 1901)
Gammaropsis chiltoni (Thomson, 1897)
Gammaropsis chionoecetophila (Conlan, 1983)
Gammaropsis concava (Shoemaker, 1916)
Gammaropsis cornuta (Norman, 1869)
Gammaropsis crassipes (Haswell, 1880)
Gammaropsis crenulata Krapp-Schickel & Myers, 1979
Gammaropsis (Gammaropsis) ctenura (Schellenberg, 1931)
Gammaropsis dentata Chevreux, 1900
Gammaropsis dentatus Chevreux, 1900
Gammaropsis denticulata Ledoyer, 1979
Gammaropsis dentifer (Haswell, 1879)
Gammaropsis (Paranaenia) dentifera (Haswell, 1879)
Gammaropsis (Gammaropsis) deseadensis Alonso, 1981
Gammaropsis digitata (Schellenberg, 1938)
Gammaropsis dilatata Ledoyer, 1979
Gammaropsis dubia (Shoemaker, 1942)
Gammaropsis effrena (J. L. Barnard, 1964)
Gammaropsis ellisi Conlan, 1983
Gammaropsis emancipata Krapp-Schickel & Myers, 1979
Gammaropsis esturinus Asari, 1998
Gammaropsis (Gammaropsis) exsertipes Stebbing, 1888
Gammaropsis (Gammaropsis) georgiana (Schellenberg, 1931)
Gammaropsis gurvitzi (Bulycheva, 1952)
Gammaropsis haswelli (Thomson, 1897)
Gammaropsis hephaestus Myers, 2009
Gammaropsis hirsutimana (Reid, 1951)
Gammaropsis holmesi (Stebbing, 1908)
Gammaropsis inaequistylis (Shoemaker, 1930)
Gammaropsis incideris Lyons & Myers, 1991
Gammaropsis incognita Moore, 1988
Gammaropsis inhaca Griffiths, 1973
Gammaropsis insignis (Chilton, 1925)
Gammaropsis japonica (Nagata, 1961)
Gammaropsis kaumaka J. L. Barnard, 1970
Gammaropsis (Gammaropsis) kergueleni (Schellenberg, 1926)
Gammaropsis kermadeci (Stebbing, 1888)
Gammaropsis lacinia Myers, 1995
Gammaropsis laevipalmata Ren, 1992
Gammaropsis latipalma Ledoyer, 1979
Gammaropsis legoliath Hughes & Lowry, 2006
Gammaropsis lindahli (Hansen, 1887)
Gammaropsis liuruiyui Ren, 1992
Gammaropsis lobata (Chevreux, 1920)
Gammaropsis longicantha (Mateus & Mateus, 1966)
Gammaropsis longicarpa Reid, 1951
Gammaropsis (Gammaropsis) longicornis Walker, 1906
Gammaropsis longimana (Chilton, 1884)
Gammaropsis longipropodi Hirayama, 1984
Gammaropsis (Gammaropsis) longitarsus (Schellenberg, 1931)
Gammaropsis lophomeria (K.H. Barnard, 1937)
Gammaropsis maculata Johnston, 1928
Gammaropsis maculatus (Johnston, 1828)
Gammaropsis mamola (J. L. Barnard, 1962)
Gammaropsis martesia (J. L. Barnard, 1964)
Gammaropsis mauritiensis Ledoyer, 1978
Gammaropsis melanops G. O. Sars, 1882
Gammaropsis minuta (Chevreux, 1926)
Gammaropsis miri G. Vinogradov, 1994
Gammaropsis mondlanei Ortiz, 1990
Gammaropsis (Gammaropsis) monodi (Schellenberg, 1931)
Gammaropsis nantis Hirayama, 1984
Gammaropsis nitida (Stimpson, 1853)
Gammaropsis ocellata Conlan, 1994
Gammaropsis ociosa (J. L. Barnard, 1962)
Gammaropsis ostroumowi Sowinski, 1898
Gammaropsis pali J. L. Barnard, 1970
Gammaropsis palmata (Stebbing & Robertson, 1891)
Gammaropsis palmoides (K.H. Barnard, 1932)
Gammaropsis persetosa (Chilton, 1921)
Gammaropsis persetosus (Chilton, 1921)
Gammaropsis pistoris Krapp-Schickell & Myers, 2006
Gammaropsis pokipoki J. L. Barnard, 1970
Gammaropsis pseudodenticulata Ledoyer, 1979
Gammaropsis pseudostroumowi Ledoyer, 1977
Gammaropsis (Gammaropsis) purpurescens (K.H. Barnard, 1932)
Gammaropsis (Gammaropsis) remipes (K.H. Barnard, 1932)
Gammaropsis scissimana (K.H. Barnard, 1926)
Gammaropsis semichelatus (Barnard, 1957)
Gammaropsis serratus (Schellenberg, 1925)
Gammaropsis (Gammaropsis) serricrus (K.H. Barnard, 1932)
Gammaropsis setifera (Schellenberg, 1938)
Gammaropsis setosa (Conlan, 1983)
Gammaropsis shoemakeri Conlan, 1983
Gammaropsis siara Myers, 1995
Gammaropsis sophiae (Boeck, 1861)
Gammaropsis spinosa (Shoemaker, 1942)
Gammaropsis (Pseudeurystheus) sublitoralis (Schellenberg, 1931)
Gammaropsis sutherlandi Nelson, 1980
Gammaropsis tawahi J.L. Barnard, 1972
Gammaropsis thompsoni (A. O. Walker, 1898)
Gammaropsis thomsoni Stebbing, 1888
Gammaropsis togoensis (Schellenberg, 1925)
Gammaropsis tonichi (J.L. Barnard, 1969)
Gammaropsis (Gammaropsis) triodon (Schellenberg, 1926)
Gammaropsis trispinosus Ren, 2006
Gammaropsis (Paranaenia) typica (Chilton, 1884)
Gammaropsis ulrici Krapp-Schickel & Myers, 1979
Gammaropsis (Segamphopus) utinomii (Nagata, 1961)
Gammaropsis (Gammaropsis) valdiviae (Schellenberg, 1926)