Pecten pontiamnis (FOSSIL) McLearn, 1942 †
Vertipecten popofensis (FOSSIL) F.S. MacNeil, 1967 †
Pecten porphyreus J.H. Chemnitz, 1784
Vertipecten porterensis (FOSSIL) (C.S. Weaver, 1912 †)
Chlamys portoricoensis (FOSSIL) Hubbard, 1920 †
Pecten poulsoni (FOSSIL) Morton, 1834 †
Chlamys praenuncius (FOSSIL) H.F.A. von Ihering,1897 †
Amussiopecten praesignis (FOSSIL) Yokoyama, 1922 †
Leptopecten praevalidus (FOSSIL) (H.K. Jordan& L.G. Hertlein, 1926 †)
Aequipecten preglyptus (FOSSIL) A.A. Olsson, 1922 †
Palliolum prestwichi (FOSSIL) (Morris 1852) †
Lyropecten pretiosus (FOSSIL) L.G. Hertlein, 1925 †
Placopecten princepoides (FOSSIL) (E. Emmons, 1858 †)
Pseudamussium princeps (FOSSIL) (Sowerby, 1826 †)
Chlamys proavus (FOSSIL) R. Arnold, 1906 †
Pecten proeteus (FOSSIL) D'Orbigny, 1847 †
Hyalopecten profundicola (T.A. Okutani, 1962)
Patinopecten propatulus (FOSSIL) (T.A. Conrad †)
Pecten protei (FOSSIL) Münster, 1841 †
Lepidopecten proterus (FOSSIL) W.P. Woodring, 1982 †
Chlamys prototranquebaricus (FOSSIL) E.W. Vredenburg, 1928 †
Mesopeplum proximus (FOSSIL) H.F.A. von Ihering,1897 †
Pecten pseudobeudanti (FOSSIL) Deperet & F. Roman,1902 †
Chlamys pseudohastata (FOSSIL) V.N. Sinelnikova, 1975 †
Chlamys pseudolioica (FOSSIL) V.N. Sinelnikova, 1975 †
Pecten pseudosolarium (FOSSIL) Hassan, 1953 †
Pecten ptychotis (FOSSIL) F. McCoy, 1847 †
Hyalopecten pudicus (E.A. Smith, 1885)
Dhondtichlamys pulchellus (FOSSIL) (S. Nilsson, 1827 †)
Talochlamys pulleineana (R. Tate, 1887)
Talochlamys pulleiniana (FOSSIL) (R. Tate, 1887 †)
Argopecten purpuratus (J.B.P.A. Lamarck, 1819)
Talochlamys pusio (C. Linnaeus, 1758)
Talochlamys pusio distorta (E.M. Da Costa, 1778)
Pecten pyramidesensis (FOSSIL) H.F.A. von Ihering,1907 †