Amphicyclotus palenquensis (H.A. Pilsbry, 1935) Chiapas, Mexico
Poteria pallescens C.B. Adams, 1852 Jamaica
Aperostoma palmeri (P. Bartsch& J.P.E. Morrison, 1942) Tamaulipas, Mexico
Neocyclotus panamensis S.I. Da Costa, 1904 Panama, Chiriqui Bay
Amphicyclotus parvus F.G. Thompson, 1963 El Salvador
Xenocyclus patulus F.G. Thompson, 1969 Mexico, Colima
Amphicyclotus paulsonorum F.G. Thompson, 1969 Chiapas, Mexico
Crocidopoma perdistinctum (J. Gundlach, 1858) Cuba
Neocyclotus perezi (J.G. Hidalgo, 1866) Ecuador20 mm
Incerticyclus perpallidus (C.B. Adams, 1851) Jamaica
Amphicyclotus perplexus C. de la Torre, P. Bartsch& J.P.E. Morrison, 1942 Guadeloupe
Rugicyclotus perplexus (P. Bartsch, 1942) Guadeloupe
Aperostoma peruense C. de la Torre, P. Bartsch& J.P.E. Morrison, 1942 Peru45 mm
Aperostoma peruvianus (S.I. Da Costa, 1906)
Dicrista petersi (G.A. Solem, 1956) Mexico, Michoacan
Incidostoma pittieri (E.C. Von Martens, 1900) Costa Rica
Aperostoma pizarroi P. Bartsch& J.P.E. Morrison, 1942
Poteria plana P. Bartsch, 1942 Jamaica
Ostodes plicatus (A.A. Gould, 1847) Samoa
Amphicyclotus ponderosus (L. Pfeiffer, 1851) Guatemala
Aperostoma popayanum (H.C. Lea, 1839) Colombia22 mm
Incidostoma portobellense C. de la Torre, P. Bartsch& J.P.E. Morrison, 1942 Panama33 mm
Barbacyclus princeps (H.A. Pilsbry, 1935) Costa Rica
Neocyclotus prominulus (A.V.M.D. D'Orbigny,1852) Brazil, Sao Paulo9 mm
Aperostoma pulchellum C. de la Torre, P. Bartsch& J.P.E. Morrison, 1942 Brazil16 mm
Neocyclotus quitensis (L. Pfeiffer, 1852) Ecuador27,7 mm
Aperostoma redfieldi C. de la Torre, P. Bartsch& J.P.E. Morrison, 1942 Brazil20,3 mm
Cycladamsia rubra (E. Chitty, 1857) Jamaica
Cycladamsia rudisplanusque (E. Chitty, 1857) Jamaica
Amphicyclotus rufescens (G.B. Sowerby, 1843)
Austrocyclotus rugatus (R.J.L. Guppy, 1864) Tobago
Dicrista rugosa F.G. Thompson, 1969 Mexico, Colima
Poteria santaguitensis H.B. Baker, 1923
Ostodes savaii W.J. Clench, 1949 Samoa
Poteria savannensis P. Bartsch, 1942 Jamaica