Acteon semicingulatus W.H. Dall, 1927
Acteon semilaevis (FOSSIL) A.E. Ortmann, 1900 †
Acteon semisculptus E.A. Smith, 1890
Acteon semispiralis (FOSSIL) P. Marshall, 1917 †
Acteon senegalensis (S.A.A. Petit De La Saussaye, 1851)
Japonactaeon sieboldii (L.A. Reeve, 1842)
Pirsila simpla (FOSSIL) L.W. Stephenson, 1953 †
Tornatellaea simulata (FOSSIL) D.C. Solander †
Pupa sinica G.Y. Lin, 1989
Colostracon sinuatum (FOSSIL) (C.E. Hamlin, 1884 †)
Tornatellaea sinzovi (FOSSIL) Blagovetshenskiy, 2017 †
Pupa solidula (C. Linnaeus, 1758)
Pupa solidula fumata (L.A. Reeve, 1865)
Acteon soyoae T. Habe, 1961
Acteon sphaericula G.P. Deshayes 1864
Acteon splendidulus O.A.L. Mörch, 1875
Crenilabium starboroughense (FOSSIL) (L. C. King, 1934 †)
Pupa striatella (FOSSIL) (J.P.S. Grateloup,1828 †)
Pupa strigosa (A.A. Gould, 1859)
Acteon subaldrichi (FOSSIL) McNeil, 1984 †
Acteon subincisus T.A. Okutani, 1968
Acteon subinflatus (FOSSIL) A.V.M.D. D'Orbigny,1850 †
Tornatellaea subovalis (FOSSIL) (P. Marshall, 1917 †)
Acteon subroseus T. Iredale, 1936
Nucleopsis subvaricata (FOSSIL) (T.A. Conrad, 1860 †)
Pupa sulcata (J.F. Gmelin, 1791)
Pupa suturalis Adams, 1855
Pirsila tensa (FOSSIL) L.W. Stephenson, 1953 †
Acteon tenuiplicatus (FOSSIL) Briart & Cornet, 1870 †
Acteon teramachii T. Habe, 1950
Crenilabium terebelloides (FOSSIL) (R.A. Philippi, 1843 †)
Pupa tessellata (L.A. Reeve, 1842)
Acteon textilis (FOSSIL) R.J.L. Guppy, 1873 †
Ongleya tholispira (FOSSIL) Finlay & J. Marwick,1937 †
Acteon tornatilis (C. Linnaeus, 1758)