Trophonopsis polycyma J.T. Kuroda, 1953
Ocenebra polymorpha (FOSSIL) (G.B. Brocchi, 1814 †)
Ocenebra polymorpha pliosubobtusa (FOSSIL) (F. Sacco, 1904 †)
Haustellum polynematicus (FOSSIL) J. Brown & H.A. Pilsbry,1911 †
Murex polynematicus (FOSSIL) Brouwn & H.A. Pilsbry,1911 †
Vokesimurex polynematicus (FOSSIL) (J. Brown & H.A. Pilsbry,1911 †)
Gemixystus polyphillius (J.E. Tenison-Woods,1879)
Gemixystus polyphyllia (FOSSIL) (Woods, 1879 †)
Phyllonotus pomatus (FOSSIL) E.H. Vokes, 1989 †
Phyllonotus pomiformis (FOSSIL) K.E.I. von Eichwald,1853 †
Phyllonotus pomum (J.F. Gmelin, 1791)
Phyllonotus pomum mexicanus (S.A.A. Petit De La Saussaye, 1852)
Aspella ponderi G.E. Radwin & D'Attilio,1976
Favartia ponderi B.W. Myers & D'Attilio,1989
Murex pondicherriensis (FOSSIL) E. Forbes, 1846 †
Nucellopsis ponsi (FOSSIL) (D. Merle, 1999 †)
Favartia poormani (G.E. Radwin & D'Attilio,1976)
Flexopteron poppei (R. Houart, 1993)
Morula porphyrostoma (L.A. Reeve, 1846)
Dermomurex portelli (FOSSIL) E.H. Vokes, 1992 †
Pterynotus posti (FOSSIL) W.H. Dall, 1896 †
Roperia poulsoni (P.P. Carpenter, 1864)
Nucella praecedens (FOSSIL) (L.M.D. Bellardi, 1882 †)
Nucella praecingulata S.H. Haughton, 1932
Morula praecipua H.A. Rehder, 1980
Murexsul praegressus (FOSSIL) Finlay, 1930 †
Phyllonotus praepauxillus (FOSSIL) C.J. Maury, 1917 †
Pygmaepterys pratulum (FOSSIL) E.H. Vokes & D'Attilio,1980 †
Cymia preangerensis (FOSSIL) Martin, 1899 †
Typhina precursor (FOSSIL) A.M. Keen & G.B. Campbell,1964 †
Murexsul pregenitor (FOSSIL) C.R. Laws, 1935 †
Eupleura prenitida E.H. Vokes, 1989
Paziella primanova (R. Houart, 1985)
Poirieria primigena (FOSSIL) Finlay, 1930 †
Plicopurpura primitiva (FOSSIL) B.M. Landau& G.J. Vermeij, 2010 †