Diminovula aboriginea (C.N. Cate, 1973)
Cymbovula acicularis (J.B.P.A. Lamarck, 1811)
Simnialena acuminata (G.B. II Sowerby in A. Adams& L.A. Reeve, 1848)
Transovula acuminata (FOSSIL) (Melleville, 1843) †
Pseudosimnia adriatica (G.B. I Sowerby, 1828)
Pseudosimnia adriatica iberica C.N. Cate, 1973
Habuprionovolva aenigma (M. Azuma & C.N. Cate,1971)
Cypraedia aillana (FOSSIL) J.M. Pacaud & Ledon,2012 †
Diminovula alabaster (L.A. Reeve, 1865)
Archivolva alexbrownii F.Jr. Lorenz, 2012
Cyphoma alleneae C.N. Cate, 1973
Cuspivolva allynsmithi (C.N. Cate, 1978)
Pellasimnia angasi (L.A. Reeve, 1865)
Pellasimnia annabelae F.Jr. Lorenz & D. Fehse,2009
Margovula anulata (D. Fehse, 2001)
Simnia aperta (G.B. II Sowerby, 1849)
Cypraedia aplisiopsis (FOSSIL) (Gregorio, 1880 †)
Cypraeopsis aquensis (FOSSIL) Schilder 1936 †
Simnia arcuata (L.A. Reeve, 1865)
Calcarovula arthritica F.Jr. Lorenz & D. Fehse,2009
Cyphoma arturi D. Fehse, 2007
Primovula astra Y. Omi & T. Iino, 2005
Phenacovolva aurantia (G.B. III Sowerby, 1889)
Diminovula aurantiomacula C.N. Cate& M. Azuma in C.N. Cate, 1973
Cyphoma aureocinctum (W.H. Dall, 1889)
Crenavolva aureola (D. Fehse, 2002)
Simnia avena (G.B. II Sowerby, 1832)
Dentiovula azumai (C.N. Cate, 1970)
Cymbovula bahamensis (C.N. Cate, 1973)
Crenavolva baltea (C.N. Cate, 1973)
Simnia barbarensis W.H. Dall, 1892
Phenacovolva barbieri F.Jr. Lorenz & D. Fehse,2009
Simnia bartschi (C.N. Cate, 1973)
Habuprionovolva basilia (C.N. Cate, 1978)
Cymbovula bebae F. Fernandes & E. Rolán,1995