Olivancillaria parisiensis (FOSSIL) A.E.M. Cossmann, 1889 †
Oliva parkinsoni C. Prior, 1975
Agaronia peruviana (FOSSIL) Woods in Bosworth, 1922 †
Oliva peruviana J.B.P.A. Lamarck, 1811
Oliva peruviana castanea J. Ford in C.W. Johnson,1911
Oliva peruviana coniformis R.A. Philippi, 1848
Oliva peruviana fulgorata E.C. Von Martens, 1869
Oliva peruviana livida C.W. Johnson, 1911
Oliva peruviana subcastanea E.G. Vanatta, 1915
Amalda petterdi (R. Tate, 1893)
Oliva pica J.B.P.A. Lamarck, 1811
Oliva pichincha (FOSSIL) A.A. Olsson, 1931 †
Oliva picta L.A. Reeve, 1850
Oliva pindarina P.L. Duclos, 1835
Oliva pindarina intertincta H.F. Carpenter, 1857
Amalda pinguis T. Ninomiya, 1991
Eburna pinguis (FOSSIL) R.J.L. Guppy, 1873 †
Ancillus pinoides (FOSSIL) (Gregorio, 1880 †)
Amalda platycephala (FOSSIL) (Powell & J.A. Bartrum,1929 †)
Olivancillaria plicaria (FOSSIL) (J.B.P.A. Lamarck,1810 †)
Strephonella plicata (FOSSIL) (R.J.L. Guppy, 1896 †)
Oliva polita F.P. Marrat, 1867
Americoliva polpasta (P.L. Duclos, 1833)
Americoliva polpasta davisae (J.W. Durham, 1950)
Americoliva polpasta radix (E.J. Petuch& D.M. Sargent, 1986)
Amalda ponderi T. Ninomiya, 1991
Oliva ponderosa P.L. Duclos, 1835
Oliva poppei D.M. Sargent & E.J. Petuch,2008
Oliva porphyria (C. Linnaeus, 1758)
Oliva posti (FOSSIL) W.H. Dall, 1915 †
Oliva prestwichi (FOSSIL) C. Mayer, 1861 †
Bearizia priabonensis (FOSSIL) (Boussac, 1908 †)
Amalda pristina (FOSSIL) (Olson, 1956 †)
Agaronia propatula (T.A. Conrad, 1849)
Ancilla pruinosa F. Boyer, 2015