Cirsotrema pilsbryi (J.T.L. McGinty, 1940)
Gregorioiscala pimentai Lima & M.L. Christoffersen,2014
Epitonium platypleurum (J.C. Verco, 1906)
Cirsotrema plexis W.H. Dall, 1925
Opalia plicata (FOSSIL) (J.B.P.A. Lamarck,1804 †)
Opalia plicata marginostoma (FOSSIL) A.A. Baudon, 1856 †
Punctiscala plicosa (FOSSIL) (R.A. Philippi, 1844 †)
Amaea plini M.E.A. de Boury
Epitonium polacia (W.H. Dall, 1889)
Opalia politesae (FOSSIL) G. Schmelz & R. Portell,2007 †
Epitonium politum (G.B. II Sowerby, 1844)
Periapta polygyrella (P. Fischerin É.A.A. Locard, 1897)
Amaea pompholyx (W.H. Dall, 1890)
Boreoscala ponderosa E.F. Garcia, 2003
Striaticostatum pondi (FOSSIL) (L.W. Stephenson, 1941 †)
Epitonium porrectum (R.B. Hinds, 1843)
Turriscala powelli (FOSSIL) J. Marwick, 1931 †
Epitonium praeclarum A. Adams, 1861
Cirsotrema preyoungi (FOSSIL) Iqbal, 1980 †
Acirsa prisca (FOSSIL) (H.H. Suter, 1917 †)
Epitonium profundum T. Nakayama, 2000
Cirsotrema propelyratum (FOSSIL) J. Marwick, 1928 †
Epitonium proximum (K.H.J. Thiele, 1925)
Opalia prunicola (FOSSIL) Martin, 1904 †
Opalia pseudoescalaris (J.C. Melvill & R. Standen,1901)
Scalina pseudoleroyi (FOSSIL) C.J. Maury, 1925 †
Epifungium pseudolochi E. Gittenberger& A. Gittenberger, 2005
Epitonium pseudonanum P. Bouchet & A. Warén,1986
Epifungium pseudotwilae E. Gittenberger& A. Gittenberger, 2005
Epitonium psomion R.N. Kilburn, 1985
Epitonium pteroen R.N. Kilburn, 1977
Epitonium pulchellum (Ant. Bivona-Bernardi,1832)
Epitonium pulcherrimum (G.B. II Sowerby, 1844)
Cirsotrema pumicea (FOSSIL) (G.B. Brocchi, 1814 †)
Opalia pumilio (O.A.L. Mörch, 1875)