Terebralia palustris caledonica F.P. Jousseaume, 1884
Tympanotonos papalis (FOSSIL) G.P. Deshayes, 1833 †
Ptychopotamides papaveraceus (FOSSIL) B. de Basterot, 1925 †
Telescopium parinense (FOSSIL) A.A. Olsson, 1928 †
Potamides patricii (FOSSIL) (Vasseur, 1881 †)
Pirenella peloritana (F.J. Cantraine, 1845)
Pyrazus pentagonatus (FOSSIL) (Schlotheim, 1829 †)
Potamides perditus (FOSSIL) J.F. Bayan, 1870 †
Harrisianella peruviana (FOSSIL) A.A. Olsson, 1929 †
Potamides philippii (FOSSIL) (Vasseur, 1881 †)
Pirenella picta (FOSSIL) (J.L.M. Defrancein B. de Basterot, 1825 †)
Pirenella picta cingulata (FOSSIL) (J.P.S. Grateloup,1840) †
Pirenella picta mitralis (FOSSIL) (K.E.I. von Eichwald,1830) †
Pirenella picta pseudotiara (FOSSIL) (A.V.M.D. D'Orbigny,1852 †)
Pirenella plicata (FOSSIL) (J.G. Bruguière, 1789 †)
Cerithideopsis pliculosa (K.T. Menke, 1829)
Cerithideopsis pliculosa veracruzensis J.C. Bequaert, 1942
Potamides polysarcus (FOSSIL) A.E.M. Cossmann& G. Pissarro, 1913 †
Diptychochilus pradellensis (FOSSIL) A.E.M. Cossmann, 1908 †
Ptychopotamides praecinctus (FOSSIL) (A.E.M. Cossmann, 1889 †)
Ptychopotamides praecinctus lamarckianus (FOSSIL) Renard, 1994 †
Potamides praepilatus (FOSSIL) Klushnikov, 1958 †
Cerithideopsilla preangerensis (FOSSIL) (Martin, 1899 †)
Pyrazus protobeninus (FOSSIL) E.W. Vredenburg, 1928 †
Tympanotonos pseudodiaboli (FOSSIL) E.W. Vredenburg, 1928 †
Pirenella pseudotiarella (FOSSIL) (Orbigny, 1852 †)
Pirenella pseudotiarella pictoides (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1922 †
Cerithideopsis pulchra (C.B. Adams, 1852)
Pirenella pupiformis T. Ozawa & D.G. Reid,2016
Cerithidea puruensis (FOSSIL) Martin, 1914 †
Pyrazus pyramidatus (FOSSIL) G.P. Deshayes, 1833 †
Cerithidea quoyii (J.B. Hombron& C.H. Jacquinot, 1848)
Tympanotonos redoniensis (FOSSIL) Van Dingenen, Ceulemans& Landau, 2016 †
Cerithidea reidi R.S. Houbrick, 1986
Cerithidea rhizophorarum A. Adams, 1855