Praerosaria amoenacea (FOSSIL) L. Dolin & P. Lozouet,2004 †
Cypraeovula amphithales (J.C. Melvill, 1888) South Africa33 mm
Cypraeovula amphithales iutsuina L. Raybaudi Massilia,1995 South Africa
Cypraeovula amphithales perdentata G. Raybaudi Massilia,1995 South Africa
Notoluponia ampla (FOSSIL) (Johnson 1899 †)
Austrocypraea ampullacia (FOSSIL) (R. Tate, 1890 †) Australia, Victoria14 mm
Lyncina amygdalina (FOSSIL) (G.P. Deshayes, 1835 †) France, Gan
Zonarina amygdalum (FOSSIL) (G.B. Brocchi 1814 †)
Archicypraea ancillaria (FOSSIL) L. Dolin & J.M. Pacaud,2009 †
Schilderia andegavensis (FOSSIL) J.L.M. Defrance, 1826 † France, Loire
Muracypraea andersoni (FOSSIL) (W.M. Ingram, 1947 †)
Palmadusta androyensis M. Blöcher& F.Jr. Lorenz, 1999 Madagascar, Fort Dauphin17,9 mm
Palmadusta androyensis consanguinea M. Blöcher& F.Jr. Lorenz, 1999 Madagascar, Fort Dauphin20 mm
Palmadusta androyensis consanguinea vespertilio L. Bozzetti, 2014 Madagascar, Lavanono15 mm
Palmadusta androyensis ipacoyana L. Bozzetti, 2006 Madagascar, Lavanono18 mm
Cribrarula angelae F. Moretzsohn & M. Beals,2009 Exmouth, West Australia
Erronea angioyorum G. Biraghi, 1978 India, Pamban33 mm
Cypraea angliae (FOSSIL) Wood, 1848 † UK, England, Norfolk
Zonaria angolensis N.H. Odhner, 1923 Angola, Farol das Lagostas36 mm
Cypraea anguillana (FOSSIL) Cooke, 1919 †
Notocypraea angustata (J.F. Gmelin, 1791) Australia, Port Macdonnell32 mm
Umbilia angustior (FOSSIL) (G.B. Pritchard, 1896 †) Tasmania
Muracypraea angustirima (FOSSIL) (E.M. Spieker, 1922 †) Peru
Bernaya angystoma (FOSSIL) (G.P. Deshayes, 1835 †) France, Paris Basin
Conocypraea anhaltina (FOSSIL) (Giebel, 1864 †) France, Paris Basin
Pseudozonaria annettae (W.H. Dall, 1909) Madagascar44 mm
Pseudozonaria annettae aequinoctialis (F.A. Schilder, 1933) Panama44,1 mm
Monetaria annulus (C. Linnaeus, 1758) Philippines, Camotes Island27,5 mm
Monetaria annulus alboguttata L. Bozzetti, 2015 Philippines, Olango Island21,2 mm
Monetaria annulus camelorum (A. de Rochebrune, 1884) South Africa, Natal, Durban Bay22 mm
Monetaria annulus noumensis (É. Marie, 1869) New Caledonia27,7 mm
Monetaria annulus sublitorea F.Jr. Lorenz, 1997 Samoa13 mm
Subepona antiqua (FOSSIL) (J.B.P.A. Lamarck,1810 †)
Loxacypraea apalachicolae (FOSSIL) W.M. Ingram, 1948 †
Fossacypraea apiceproducta (FOSSIL) (A.E.M. Cossmann& M.A. Peyrot, 1923 †) France, Aquitaine