Sinum perinflatum (FOSSIL) (F. Sacco, 1890 †)
Natica perlineata W.H. Dall, 1889
Natica permunda (FOSSIL) T.A. Conrad, 1854 †
Gennaeosinum perobliquum (P. Dautzenberg& H. Fischer, 1906)
Sinum perovato (FOSSIL) T.A. Conrad, 1866 †
Sinum perrini (FOSSIL) R. Arnold, 1907 †
Euspira perspecta (FOSSIL) R.P. Whitfield, 1935 †
Euspira perspecta texana (FOSSIL) Garvie, 2013 †
Globisinum perspectiva (FOSSIL) (R. Tate, 1893 †)
Natica perspectiva (FOSSIL) B. Rogers, 1839 †
Sinum perspectivum T. Say, 1831
Polinices perspicuus (C.A. Récluz, 1850)
Natica peruviana (FOSSIL) A.A. Olsson, 1928 †
Polinices peselephanti (J.H.F. Link, 1807)
Gennaeosinum petitianus (C.A. Récluz in J.C. Chenu,1843)
Glossaulax petiveriana (C.A. Récluz, 1843)
Euspira phaeocephala (P. Dautzenberg& H. Fischer, 1896)
Naticarius philippinensis (R.B. Watson, 1881)
Maxwellinatica phillipi (FOSSIL) A.G. Beu & Marshall,2011 †
Euspira piccolii (FOSSIL) E. Robba, Pedriali& E. Quaggiotto, 2016 †
Tanea picta (C.A. Récluz, 1844)
Natica pidanceti (FOSSIL) Coquand †
Polinices pijiguayensis (FOSSIL) Clark & J.W. Durham,1946 †
Euspira pila (H.A. Pilsbry, 1911)
Natica pipoca L.R.L. Simone, 2014
Friginatica pisum C. Hedley, 1916
Tanea pittensis (FOSSIL) (J. Marwick, 1928 †)
Cryptonatica pittsburgensis (FOSSIL) Moore, 1976 †
Magnatica planispira (FOSSIL) (H.H. Suter, 1917 †)
Taniella planisuturalis (FOSSIL) (J. Marwick, 1924 †)
Sinum planulatum (C.A. Récluz, 1843)
Natica platabasis (FOSSIL) Gardner, 1947 †
Proxiuber platamodes (FOSSIL) Finlay & J. Marwick,1937 †
Naticarius plicatella (FOSSIL) T.A. Conrad, 1863 †
Cochlis plicatula (FOSSIL) (H.G. Bronn, 1831 †)