Diminovula aboriginea (C.N. Cate, 1973) Western Australia9,1 mm
Cymbovula acicularis (J.B.P.A. Lamarck, 1811) Florida10,8 mm
Simnialena acuminata (G.B. II Sowerby in A. Adams& L.A. Reeve, 1848) Ecuador8 mm
Transovula acuminata (FOSSIL) (Melleville, 1843) †
Pseudosimnia adriatica (G.B. I Sowerby, 1828) Italy, Gulf of Naples25 mm
Pseudosimnia adriatica iberica C.N. Cate, 1973 Spain, Malaga21,2 mm
Habuprionovolva aenigma (M. Azuma & C.N. Cate,1971) Japan, Wakayama5,3 mm
Cypraedia aillana (FOSSIL) J.M. Pacaud & Ledon,2012 †
Diminovula alabaster (L.A. Reeve, 1865) Philippines, Olango Island13,9 mm
Archivolva alexbrownii F.Jr. Lorenz, 2012 Red Sea
Cyphoma alleneae C.N. Cate, 1973 Florida29,6 mm
Cuspivolva allynsmithi (C.N. Cate, 1978) Japan9,9 mm
Pellasimnia angasi (L.A. Reeve, 1865) Philippines, Olango Island36 mm
Pellasimnia annabelae F.Jr. Lorenz & D. Fehse,2009 Indonesia, Bali29 mm
Margovula anulata (D. Fehse, 2001) Philippines, Siquijor20,2 mm
Simnia aperta (G.B. II Sowerby, 1849) Greece, Crete Island13 mm
Cypraedia aplisiopsis (FOSSIL) (Gregorio, 1880 †) Italy, Veneto
Cypraeopsis aquensis (FOSSIL) Schilder 1936 †
Simnia arcuata (L.A. Reeve, 1865) California, Santa Barbara18,5 mm
Calcarovula arthritica F.Jr. Lorenz & D. Fehse,2009 Fiji Islands26,8 mm
Cyphoma arturi D. Fehse, 2007 Mexico West19,1 mm
Primovula astra Y. Omi & T. Iino, 2005 Philippines, Palawan Island7,5 mm
Phenacovolva aurantia (G.B. III Sowerby, 1889) South Africa, Jeffreys Bay21,2 mm
Diminovula aurantiomacula C.N. Cate& M. Azuma in C.N. Cate, 1973 Australia, Shoal Point12 mm
Cyphoma aureocinctum (W.H. Dall, 1889) Cape Verde26,1 mm
Crenavolva aureola (D. Fehse, 2002) Philippines, Bohol Island9 mm
Simnia avena (G.B. II Sowerby, 1832) Panama16 mm
Dentiovula azumai (C.N. Cate, 1970) Philippines, Balicasag Island8,8 mm
Cymbovula bahamensis (C.N. Cate, 1973) Bahamas17 mm
Crenavolva baltea (C.N. Cate, 1973) India, Cuddalore
Simnia barbarensis W.H. Dall, 1892 California, Point Conception21,1 mm
Phenacovolva barbieri F.Jr. Lorenz & D. Fehse,2009 Philippines, Visayan Sea31,1 mm
Simnia bartschi (C.N. Cate, 1973) Puerto Rico
Habuprionovolva basilia (C.N. Cate, 1978) Philippines, Aliguay Island7 mm
Cymbovula bebae F. Fernandes & E. Rolán,1995 Angola6,5 mm