Mercuria sarahae (A. Paladilhe, 1869)
Islamia sarda (FOSSIL) D. Esu, 1984 †
Hauffenia sarmatica (FOSSIL) (Papp, 1954 †)
Staja sarmatica (FOSSIL) (E. Jekelius, 1944 †)
Bythiospeum sarriansense H. Girardi, 2009
Pyrgula sasykensis (FOSSIL) Roshka, 1973 †
Notogillia sathon F.G. Thompson, 1969
Pyrgulopsis sathos R. Hershler, 1998
Lanzaiopsis savinica J. Bole, 1989
Fluviopupa savuione S. Zielske & M. Haase,2014
Belgrandiella saxatilis (P. de Reyniés, 1844)
Pyrgulopsis saxatilis R. Hershler, 1998
Bythiospeum saxigenum (D. Geyer, 1905)
Goniochilus scalariaeformis (FOSSIL) (A. Fuchs, 1870 †)
Marstonia scalariformis (A.J.C. Wolf, 1869)
Saganoa scalaris J.T. Kuroda & T. Habe,1958
Valvatamnicola schahimardanica (Z.I. Izzatullaev, 1984)
Belgrandiella schleschi (L. Kušcer, 1932)
Saxurinator schlickumi H. Schütt, 1960
Dianella schlickumi H. Schütt, 1962
Tanousia schlickumi (FOSSIL) H. Schütt, 1976 †
Hydrobia schlosseri (FOSSIL) Royo Gómez, 1928 †
Sadleriana schmidtii (K.T. Menke, 1849)
Balkanospeum schniebsae (D.G. Georgiev, 2011)
Nicolaia schniebsae Glöer, Bößneck, Walther& Neiber, 2016
Pyrgula schorygini B.M. Logvinenko& Y.I. Starobogatov, 1968
Pseudamnicola schottleri (FOSSIL) (W.A. Wenz, 1922 †)
Hydrobia schoutedeni (J.C. Bequaert& W.J. Clench, 1936)
Milesiana schuelei (H.D. Boeters, 1981)
Falsipyrgula schuetti M.Z. Yildirim, 1999
Goniochilus schwabenaui (FOSSIL) (A. Fuchs, 1870 †)
Prososthenia schwartzi (FOSSIL) M. von Neumayr, 1869 †
Pseudamnicola sciaccaensis P. Glöer & J. Beckmann,2007
Micromelania scobina (FOSSIL) Š. Brusina, 1897 †
Orygoceras scolecostomum (FOSSIL) Š. Brusina, 1902 †