Pycnogonida Latreille, 1810
Achelia Hodge, 1864
Acheliana Arnaud, 1971
Ammothea Leach, 1814
Ammothella Verrill, 1900
Anisopus
Ascorhynchus Sars, 1878
Austroraptus Hodgson, 1907
Bathyzetes Stock, 1955
Biammothea Pushkin, 1993
Boehmia Hoek, 1881
Calypsopycnon Hedgpeth, 1948
Chonothea Nakamura & Child, 1983
Cilunculus Loman, 1908
Dromedopycnon Child, 1982
Elassorhis Child, 1982
Ephyrogymna Hedgpeth, 1943
Eurycyde Schiödte, 1857
Hedgpethius Child, 1974
Hemichela Stock, 1954
Heterofragilia Hedgpeth, 1943
Lecythorhynchus Böhm, 1879
Leonymphon Loman, 1929
Megarhethus Child, 1982
Megarhetus
Nymphonella Ohshima, 1927
Nymphopsis Haswell, 1885
Oorhynchus Hoek, 1881
Paranymphon Caullery, 1896
Pariboea Philippi, 1843
Pasithoe Goodsir, 1842
Periboea Bergroth, 1908
Proboehmia Stock, 1991
Prototrygaeus Child
Pycnofragilia Stock, 1974
Scipiolus Loman, 1908
Sericosura Fry & Hedgpeth, 1969
Tanystylum Miers, 1879
Trygaeus Dohrn, 1881