Carenzia acanthodes B.A. Marshall, 1991
Hadroconus altus (R.B. Watson, 1879)
Basilissa annanaformi (L.A. Reeve, 1851)
Asthelys antarctica B.A. Marshall, 1988
Seguenzia antarctica K.H.J. Thiele, 1925
Fluxinella asceta B.A. Marshall, 1991
Seguenzia balicasagensis G.T. Poppe, S.P. Tagaro& H. Dekker, 2006
Basilissopsis bassa S.F.B. de Lima, M.L. Christoffersen& Villacampa, 2014
Seguenzia beloni G.T. Poppe, S.P. Tagaro& H. Dekker, 2006
Basilissa bicarinata T. Habe, 1961
Seguenziopsis bicorona B.A. Marshall, 1983
Calliobasis bilix (C. Hedley, 1905)
Guttula blanda K.H. Barnard, 1963
Calliobasis bombax (B.C. Cotton& F.C. Godfrey, 1938)
Fluxinella brychia B.A. Marshall, 1991
Halystina caledonica B.A. Marshall, 1991
Seguenzia caliana W.H. Dall, 1919
Thelyssa callisto F.M. Bayer, 1971
Carenzia carinata (J.G. Jeffreys, 1877)
Halystina carinata B.A. Marshall, 1991
Quinnia cazioti (P. Dautzenberg, 1925)
Seguenzia certoma W.H. Dall, 1919
Seguenzia cervola W.H. Dall, 1919
Basilissopsis charcoti B.A. Marshall, 1991
Seguenzia chariessa B.A. Marshall, 1991
Seguenzia chelina B.A. Marshall, 1983
Halystes chimaera B.A. Marshall, 1988
Calliobasis chlorosa B.A. Marshall, 1983
Seguenzia compta B.A. Marshall, 1983
Oligomeria conoidea Y.I. Galkin & A.N. Golikov,1985
Halystina conoidea (FOSSIL) Helwerda, Wesselingh& S.T. Williams, 2014 †
Seguenzia conopia B.A. Marshall, 1983
Eratasthelys corona B.A. Marshall, 1991
Seguenzia costulifera M.M. Schepman, 1909
Visayaseguenzia cumingi G.T. Poppe, S.P. Tagaro& H. Dekker, 2006