Ammotheidae Dohrn, 1881
Ammothea acheliata Child, 1998
Ammothea adunca Child, 1994
Ammothea alaskensis
Ammothea allopodes Fry, W.G. & J.W Hedgpeth, 1969
Ammothea antipodensis Clark, W.C., 1972
Ammothea armentis Child, C.A., 1994
Ammothea assimilis Haswell, 1884
Ammothea australiensis Flynn, T.T., 1919
Ammothea bentartica Munilla-León, T., 2001
Ammothea bicorniculata Stiboy-Risch, C., 1992
Ammothea bigibbosa Munilla & Ramos, 2005
Ammothea brevicauda Loman, 1904
Ammothea calmani Gordon, I., 1932
Ammothea carolinensis Leach, W.E., 1814
Ammothea clausi Pfeffer, G., 1889
Ammothea cuspidata Hodgson, 1910
Ammothea depolaris Stock, J.H., 1966
Ammothea dorsiplicata (Hilton, W.A., 1942)
Ammothea gibbosa (Möbius, K., 1902)
Ammothea gigantea Gordon, I., 1932
Ammothea glacialis (Hodgson, T.V., 1907)
Ammothea gordonae Child, C.A., 1994
Ammothea gracilipes
Ammothea hedgpethi (Utinomi, H., 1959)
Ammothea hesperidensis Munilla, 2000
Ammothea hilgendorfi (Böhm, R., 1879)
Ammothea insularis Child, C.A., 1992
Ammothea latifrons
Ammothea longicollis Haswell, 1884
Ammothea longispina Gordon, I., 1932
Ammothea magniceps Thomson, G.M., 1884
Ammothea makara Clark, W.C., 1977
Ammothea meridionalis Hodgson, T.V., 1915
Ammothea minor (Hodgson, T.V., 1907)
Ammothea nana Loman, 1908
Ammothea ovatoides Stock, J.H., 1973
Ammothea pribilofensis
Ammothea profunda Losina-Losinsky, L.K., 1961
Ammothea sexarticulata Munilla, 1990
Ammothea sextarticulata Munilla-León, T., 1989
Ammothea spicula Nakamura, K. & C.A. Child., 1983
Ammothea spinosa (Hodgson, T.V., 1907)
Ammothea striata (Möbius, K., 1902)
Ammothea stylirostris Gordon, I., 1932
Ammothea tetrapora Gordon, I., 1932
Ammothea tibialis Munilla-León, T., 2002
Ammothea uru Clark, W.C., 1977
Ammothea victoriae Cano & López-González, 2007
Leionymphon glaciale Hodgson, 1907
Leionymphon spinosum Hodgson, 1907