Asolene pulchella (H.E. Anton, 1838)
Pomacea pulchra J.E. Gray, 1834
Pomacea puntaplaya (A. Cousin, 1887)
Pomacea purpurascens (R.J.L. Guppy, 1864)
Lanistes purpureus (I.H. Jonas, 1839)
Ampullaria pygmaea C.A. Récluz, 1851
Meladomus pyramidalis A. Letourneuxin J.R. Bourguignat, 1879
Pomacea quinindensis (K. Miller, 1879)
Pomacea reyeri A. Cousin, 1887
Pomacea rufilineata (L.A. Reeve, 1856)
Lanistes sanagaensis W.J. Clench, 1929
Ampullaria sanctaecrucis (FOSSIL) Wissmann, 1841 †
Pila saxea (L.A. Reeve, 1856)
Pomacea scalaris (A.V.M.D. D'Orbigny,1835)
Pila scutata (A. Mousson, 1848)
Pomacea semitecta (A. Mousson, 1873)
Pomacea semperi (W. Kobelt, 1914)
Ampullaria sigaretina (FOSSIL) (J.B.P.A. Lamarck,1804 †)
Ampullaria sigaretina berthelini (FOSSIL) A.E.M. Cossmann, 1892 †
Ampullaria simplicula J.F. Mabille, 1889
Pomacea sinamarina (J.G. Bruguière, 1792)
Lanistes sinistrosus (Lea, 1838)
Lanistes sodaensis (FOSSIL) Abbass, 1967 †
Lanistes solidus E.A. Smith, 1877
Pomacea sordida (W.J. Swainson, 1823)
Pomacea spirata (L. Deville & L.H. Hupé,1850)
Asolene spixii (A.V.M.D. D'Orbigny,1838)
Lanistes stuhlmanni (E.C. Von Martens, 1897)
Ampullaria subscutata A. Mousson, 1882
Pomacea superba (W.B. Marshall, 1926)
Pomacea swainsoni (R.A. Philippi, 1852)
Pomacea tenuissima (F.P. Jousseaume, 1894)
Carnevalea thaytinitiensis (FOSSIL) (E. Neubert& D. Van Damme, 2012 †)
Pila theobaldi S.C.T. Hanley, 1875
Lanistes tricarinatus (FOSSIL) E. Neubert & D. Van Damme,2012 †