Medusafissurella salebrosa (L.A. Reeve, 1850)
Emarginula salinensis (FOSSIL) Degrange-Touzin, 1895 †
Fissurella salvatiana J.M.J. Christiaens, 1974
Diodora sarasuae J. Espinosa, 1984
Diodora saturnalis (P.P. Carpenter, 1864)
Diodora sayi (W.H. Dall, 1889)
Emarginula scabricostata A. Adams, 1851
Emarginula scabriuscula A. Adams, 1852
Scutus scapha (J.F. Gmelin, 1791)
Emarginula schlotheimi (FOSSIL) C.L.F. von Sandberger,1859 †
Fissurella schrammii P. Fischer, 1857
Fissurella scobinellata (FOSSIL) A.E.M. Cossmann, 1883 †
Emarginula scrobiculata (FOSSIL) A. von Koenen †
Diodora sculptilis E. Rolán & S. Gori, 2011
Tugali scutellaris A. Adams, 1852
Octomarginula scutellata (G.P. Deshayes, 1863)
Dendrofissurella scutellum (J.F. Gmelin, 1791)
Dendrofissurella scutellum hiantula (J.B.P.A. Lamarck, 1822)
Macroschisma scutiformis G. Nevill, 1869
Diodora semilunata T. Habe, 1953
Diodora serae J. Espinosa & J.A. Ortea,2011
Cranopsis serraticostata (D.G. Herbert& R.N. Kilburn, 1986)
Tauschia sexagenicostae (FOSSIL) Fischer & al., 2002 †
Emarginella sibogae (M.M. Schepman, 1908)
Fissurella sibogae G.W. Nowell-Usticke, 1969
Emarginula sicula J.E. Gray, 1825
Diodora sieboldii (L.A. Reeve, 1850)
Puncturella similis A. Warén & P. Bouchet,2009
Hemimarginula simpla (J.M.J. Christiaens,1987)
Macroschisma sinense A. Adams, 1855
Puncturella sinensis G.B. III Sowerby, 1894
Hemitoma sinensis (H.M.D. de Blainville,1825)
Diodora singaporensis L.A. Reeve, 1850
Emarginula sinica C.C. Lu, 1986
Monodilepas skinneri H.J. Finlay, 1928