Jsowerbya sexdentatus (FOSSIL) (Sowerby, 1823 †)
Chicoreus sextoni (FOSSIL) E.H. Vokes, 1990 †
Trophonella shackletoni (C. Hedley, 1911)
Bizetiella shaskyi G.E. Radwin & D'Attilio,1972
Murexiella shaskyi D'Attilio & B.W. Myers,1988
Murexiella shilohensis (FOSSIL) (A. Heilprin, 1887 †)
Coralliophila shimajiriensis (FOSSIL) F.S. MacNeil, 1960 †
Nipponotrophon shingoi (R. Tiba, 1981)
Babelomurex shingomarumai (S. Kosuge, 1981)
Chicoreus shirleyae E.H. Vokes, 1966
Pagodula siberutensis (K.H.J. Thiele, 1925)
Pazinotus sibogae (M.M. Schepman, 1911)
Dermomurex silicatus (FOSSIL) Darragh, 2017 †
Hexaplex silvaticus (FOSSIL) K.V.W. Palmer, 1937 †
Trophonopsis similidroueti (R. Houart, 1989)
Orania simonetae R. Houart, 1995
Enatimene simplex (C. Hedley, 1903)
Pterynotus sindiensis (FOSSIL) (E.W. Vredenburg, 1928 †)
Jaton sinespina G.J. Vermeij & R. Houart,1996
Murex singaporensis A. Adams, 1853
Purpura singuensis (FOSSIL) E.W. Vredenburg, 1921 †
Monstrotyphis singularis R. Houart, 2002
Typhina siphon (FOSSIL) W.P. Woodring, 1928 †
Pilsbrytyphis siphonifera (FOSSIL) (W.H. Dall, 1915 †)
Mancinella siro (J.T. Kuroda, 1931)
Urosalpinx sismondai (FOSSIL) (O.G. Michelotti, 1847 †)
Nassa situla (L.A. Reeve, 1846)
Murexsul skoglundae (B.W. Myers, C.M. Hertz& D'Attilio, 1993)
Zacatrophon skoglundae R. Houart, 2010
Ecphora smithae (FOSSIL) E.J. Petuch, 1988 †
Pazinotus smithi (M.M. Schepman, 1911)
Neothais smithi (J.W. Brazier, 1889)
Vokesimurex sobrinus (A. Adams, 1863)
Nassa socialis (FOSSIL) F.W. Hutton, 1886 †
Lindapterys soderiae A. Callea, Volpi, Martignoni& Borri, 2001