Austrocypraea rumballi (FOSSIL) D. Fehse, 2003 †
Erosaria sabahensis (FOSSIL) L.R. Cox, 1948 †
Austrasiatica sakuraii (T. Habe, 1970)
Barycypraea saltoensis (FOSSIL) Clark & J.W. Durham,1946 †
Zonaria sanguinolenta (J.F. Gmelin, 1791)
Siphocypraea sarasotaensis (FOSSIL) E.J. Petuch, 1994 †
Palmadusta saulae (J.S. Gaskoin, 1843)
Palmadusta saulae manilensis L. Raybaudi Massilia,1978
Palmadusta saulae nugata T. Iredale, 1935
Palmadusta saulae nugata crakei (J.S. Gaskoin, 1843)
Austrocypraea scalena (FOSSIL) (R. Tate, 1890 †)
Afrozoila schilderi (FOSSIL) (A. Dey, 1961 †)
Lyncina schilderorum (T. Iredale, 1939)
Myakkacypraea schnireli (FOSSIL) E.J. Petuch, 2004 †
Bernaya schouveri (FOSSIL) Dolin & Aguerre, 2016 †
Archicypraea schtrocki (FOSSIL) Dolin & Aguerre, 2016 †
Mauritia scurra (J.F. Gmelin, 1791)
Mauritia scurra indica (J.F. Gmelin, 1791)
Mauritia scurra indica retifera (K.T. Menke, 1829)
Mauritia scurra indica vono W.R. Steadman & B.C. Cotton,1943
Mauritia scurra mundula F.Jr. Lorenz, 2002
Cypraea semen (FOSSIL) Cooke, 1919 †
Schilderia semidenticulata (FOSSIL) (F. Sacco, 1894 †)
Staphylaea semiplota (J.W. Mighels, 1845)
Staphylaea semiplota annae (S.R. Roberts, 1869)
Purpuradusta serrulifera (F.A. Schilder& M. Schilder, 1938)
Zonaria shirleyae (FOSSIL) L. Dolin, 1991 †
Propustularia simiensis (FOSSIL) (R.N. Nelson, 1925 †)
Pseudozonaria simonnei (FOSSIL) A. Dey, 1961 †
Monetaria simplicissima (FOSSIL) F.P. Jousseaume 1884 †
Erosaria sindiensis (FOSSIL) E.W. Vredenburg, 1925 †
Bernayia singuensis (FOSSIL) E.W. Vredenburg, 1921 †
Umbilia siphonata (FOSSIL) A.C. Chapman, 1922 †
Bernaya sixi (FOSSIL) J.M. Pacaud & A. Robert,2016 †
Neobernaya spadicea (W.J. Swainson, 1823)