Medusafissurella salebrosa (L.A. Reeve, 1850) Arab Emirates25 mm
Emarginula salinensis (FOSSIL) Degrange-Touzin, 1895 † France, Aquitaine8 mm
Fissurella salvatiana J.M.J. Christiaens, 1974 Cape Verde9 mm
Diodora sarasuae J. Espinosa, 1984 Bahamas
Diodora saturnalis (P.P. Carpenter, 1864) Costa Rica, Cocos Island13 mm
Diodora sayi (W.H. Dall, 1889) Florida19 mm
Emarginula scabricostata A. Adams, 1851
Emarginula scabriuscula A. Adams, 1852 Japan
Scutus scapha (J.F. Gmelin, 1791) Japan, Kochi
Emarginula schlotheimi (FOSSIL) C.L.F. von Sandberger,1859 † Germany, Rheinland-Pfalz
Fissurella schrammii P. Fischer, 1857 Aruba22 mm
Fissurella scobinellata (FOSSIL) A.E.M. Cossmann, 1883 †
Emarginula scrobiculata (FOSSIL) A. von Koenen † Ukraine
Diodora sculptilis E. Rolán & S. Gori, 2011 Sao Tomè Island
Tugali scutellaris A. Adams, 1852 Philippines, Balicasag Island23,9 mm
Octomarginula scutellata (G.P. Deshayes, 1863) Réunion17 mm
Dendrofissurella scutellum (J.F. Gmelin, 1791) South Africa, Cape33 mm
Dendrofissurella scutellum hiantula (J.B.P.A. Lamarck, 1822) South Africa, Natal13 mm
Macroschisma scutiformis G. Nevill, 1869
Diodora semilunata T. Habe, 1953 Japan, Kagoshima
Diodora serae J. Espinosa & J.A. Ortea,2011
Cranopsis serraticostata (D.G. Herbert& R.N. Kilburn, 1986)
Tauschia sexagenicostae (FOSSIL) Fischer & al., 2002 † Italy, Umbria, Perugia
Emarginella sibogae (M.M. Schepman, 1908) Réunion
Fissurella sibogae G.W. Nowell-Usticke, 1969 South Africa, Natal, Durban Bay11 mm
Emarginula sicula J.E. Gray, 1825 Turkey, Bozcaada Island14 mm
Diodora sieboldii (L.A. Reeve, 1850) Philippines, Balut Island30 mm
Puncturella similis A. Warén & P. Bouchet,2009 01°34,6'S 008°31,8'E
Hemimarginula simpla (J.M.J. Christiaens,1987)
Macroschisma sinense A. Adams, 1855 Japan, Kotoga beach20 mm
Puncturella sinensis G.B. III Sowerby, 1894 Hokkaido
Hemitoma sinensis (H.M.D. de Blainville,1825) Japan, Wakayama29,5 mm
Diodora singaporensis L.A. Reeve, 1850 Singapore20,3 mm
Emarginula sinica C.C. Lu, 1986 Xisha Islands
Monodilepas skinneri H.J. Finlay, 1928 New Zealand