Lanistes oliveri P.D. Montfort, 1810
Asolene ormophora (P.M.A. Morelet, 1857)
Lanistes ovatus (G.A. Olivier, 1804)
Lanistes ovatus congoensis H.A. Pilsbry & C.E. Beecher,1929
Pomacea oviformis (G.P. Deshayes, 1830)
Lanistes ovum F.H. Troschel, 1845
Pomacea pallens (R.A. Philippi, 1849)
Pomacea palmeri (W.B. Marshall, 1930)
Pomacea paludosa (T. Say, 1829)
Lanistes palustris (P.M.A. Morelet, 1864)
Pomacea papyracea (J.B. von Spixin J.A. Wagner, 1827)
Pomacea pattersoni (K.J. Boss & J.J. Parodíz,1977)
Pomacea patula (L.A. Reeve, 1856)
Pomacea pealeana (I. Lea, 1838)
Pomacea peristomata (A.V.M.D. D'Orbigny,1835)
Pomacea pernambucensis L.A. Reeve, 1856
Pila pesmei (L.J. Morlet, 1889)
Pila pesmei erythrochila P. Dautzenberg & H. Fischer,1905
Asolene petiti (J.C.H. Crosse, 1891)
Lanistes pfeifferi (J.R. Bourguignat, 1879)
Pomacea physoides L.A. Reeve, 1856
Pomacea picta (L.A. Reeve, 1856)
Lanistes pilsbryi B. Walker, 1925
Marisa planogyra H.A. Pilsbry, 1933
Pomacea planorbula (R.A. Philippi, 1852)
Asolene platae (W.G. Maton, 1811)
Pomacea poeyana (H.A. Pilsbry, 1927)
Pila polita G.P. Deshayes, 1830
Pomacea pomatia (E.C. Von Martens, 1857)
Pomacea pomum (R.A. Philippi, 1851)
Ampullaria ponti (FOSSIL) G.A. Goldfuss, 1844 †
Pomacea producta L.A. Reeve, 1856
Pomacea prourceus K.J. Boss & J.J. Parodíz,1977
Pomacea prunella L.H. Hupé, 1857
Lanistes pseudoceratodes (W.A. Wenz, 1928)