Austrocypraea rumballi (FOSSIL) D. Fehse, 2003 † South Australia, Adelaide
Erosaria sabahensis (FOSSIL) L.R. Cox, 1948 † Malaysia, Sabah
Austrasiatica sakuraii (T. Habe, 1970) Philippines, Aliguay Island51 mm
Barycypraea saltoensis (FOSSIL) Clark & J.W. Durham,1946 † Colombia, Bolivar
Zonaria sanguinolenta (J.F. Gmelin, 1791) Senegal, Goree Bay24 mm
Siphocypraea sarasotaensis (FOSSIL) E.J. Petuch, 1994 † Florida, Sarasota County40 mm
Palmadusta saulae (J.S. Gaskoin, 1843) Philippines, Davao31,4 mm
Palmadusta saulae manilensis L. Raybaudi Massilia,1978 Philippines, Bantayan Island24 mm
Palmadusta saulae nugata T. Iredale, 1935 Australia, Hervey Bay26 mm
Palmadusta saulae nugata crakei (J.S. Gaskoin, 1843) Exmouth, West Australia21 mm
Austrocypraea scalena (FOSSIL) (R. Tate, 1890 †) Australia, Victoria34 mm
Afrozoila schilderi (FOSSIL) (A. Dey, 1961 †) India, Kerala, Kollam
Lyncina schilderorum (T. Iredale, 1939) Tuamotu32 mm
Myakkacypraea schnireli (FOSSIL) E.J. Petuch, 2004 † USA, Florida, Sarasota
Bernaya schouveri (FOSSIL) Dolin & Aguerre, 2016 †
Archicypraea schtrocki (FOSSIL) Dolin & Aguerre, 2016 †
Mauritia scurra (J.F. Gmelin, 1791) Taiwan38,5 mm
Mauritia scurra indica (J.F. Gmelin, 1791) Philippines, Samar Island48 mm
Mauritia scurra indica retifera (K.T. Menke, 1829) Eastern Indian Ocean
Mauritia scurra indica vono W.R. Steadman& B.C. Cotton, 1943 Papeete Tahiti Island
Mauritia scurra mundula F.Jr. Lorenz, 2002 French Polynesia, Tahiti30,9 mm
Cypraea semen (FOSSIL) Cooke, 1919 † Cuba
Schilderia semidenticulata (FOSSIL) (F. Sacco, 1894 †) Poland, Holy Cross Mountains
Staphylaea semiplota (J.W. Mighels, 1845) Zanzibar Island19 mm
Staphylaea semiplota annae (S.R. Roberts, 1869) Hawaii, Oahu19 mm
Purpuradusta serrulifera (F.A. Schilder& M. Schilder, 1938) French Polynesia, Topatii8,4 mm
Zonaria shirleyae (FOSSIL) L. Dolin, 1991 †
Propustularia simiensis (FOSSIL) (R.N. Nelson, 1925 †) Mexico, Baja California
Pseudozonaria simonnei (FOSSIL) A. Dey, 1961 †
Monetaria simplicissima (FOSSIL) F.P. Jousseaume 1884 †
Erosaria sindiensis (FOSSIL) E.W. Vredenburg, 1925 † Pakistan
Bernayia singuensis (FOSSIL) E.W. Vredenburg, 1921 † Myanmar, Mandalay, Myingyan
Umbilia siphonata (FOSSIL) A.C. Chapman, 1922 † Australia, Victoria
Bernaya sixi (FOSSIL) J.M. Pacaud& A. Robert, 2016 † France, Paris Basin
Neobernaya spadicea (W.J. Swainson, 1823) California, San Diego County57 mm