Coralliophila sofiae (A. Aradas & L. Benoit,1876) Italy, Messina38 mm
Coralliophila sokkohensis (FOSSIL) (K. Martin, 1916 †) Indonesia, Java
Chicoreus solangeae (L. Bozzetti, 2014) Madagascar, Tulear36,1 mm
Lataxiena solenosteiroides R. Houart, K. Fraussen& J.P. Barbier, 2013 India, Madras
Nassa solida (FOSSIL) Harmer ex S.V. Wood MS † UK, Cornwall
Siphonochelus solus P. Vella, 1961 New Zealand, North Island
Coralliophila solutistoma J.T. Kuroda& T. Shikama in T. Shikama, 1966 Spain, Adra29 mm
Murex somalicus M. Parth, 1990 Somalia, Ras Hafun130 mm
Naquetia sondeiana (FOSSIL) (K. Martin, 1895 †) Indonesia, Java
Acanthotrophon sorenseni (L.G. Hertlein& A.M. Strong, 1951) Gulf of California
Ocenebra sowerbyi (FOSSIL) (O.G. Michelotti,1841 †) Italy, Tuscany
Abyssotrophon soyoae (T.A. Okutani, 1959) Japan, Tosa Bay
Trophonopsis sparacioi C. Smriglio, P. Mariottini& A. Di Giulio, 2015 Italy, Tyrrhenian Sea5,6 mm
Phyllocoma speciosa (G.F. Angas, 1871) Australia, Woolgoolga
Phyllocoma speciosa eburnea (W.F. Petterd, 1884) South Australia
Ricinella speciosa (R.W. Dunker, 1867) Tuamotu
Vasula speciosa (A. Valenciennes, 1832) Ecuador41 mm
Murex spectabilis W.F. Ponder & E.H. Vokes,1988 Philippines, Manila Bay110,3 mm
Pazinotus spectabilis R. Houart, 1991 New Caledonia21,4 mm
Chicoreus spectrum (L.A. Reeve, 1846) Brazil, Pernambuco127 mm
Urosalpinx sperata (A.E.M. Cossmann, 1921) South Africa, Algoa Bay26,2 mm
Murex spicatus W.F. Ponder & E.H. Vokes,1988 Okinawa
Murexsul spiculus (R. Houart, 1987) Coral Sea10,2 mm
Leptotrophon spinacutus (R. Houart, 1986) New Caledonia9,5 mm
Babelomurex spinaerosae (T. Shikama, 1970) China, Zhejiang37 mm
Murex spinastreptos R. Houart, 2010 Arafura Sea49 mm
Promurex spinicosta (FOSSIL) (H.G. Bronn, 1831 †) France, Aquitaine
Siphonochelus spinirectus (FOSSIL) E.H. Vokes, 1989 † Dominican Republic
Morula spinosa (H. Adams & A. Adams,1853) Philippines, Bohol Island22 mm
Babelomurex spinosus (Y. Hirase, 1908) China, Zhejiang30,6 mm
Dermomurex spinosus Garrigues & Lamy, 2017
Conchatalos spinula R. Houart & V. Héros,2008 Fiji Islands6,7 mm
Flexopteron spinulosa (FOSSIL) (G.P. Deshayes, 1865 †) France, Paris Basin27 mm
Acanthinucella spirata (H.M.D. de Blainville,1832) California, Newport31 mm
Siratus springeri (H.R. Bullis, 1964) Guyana52 mm