Venericardia pacifera (FOSSIL) (M. Yokoyama, 1924 †)
Venericor pacifica (FOSSIL) (A.A. Olsson, 1928 †)
Venericardia pakistanica (FOSSIL) F.E. Eames, 1951 †
Cardita panda (FOSSIL) M. Yokoyama, 1928 †
Glyptoactis paraguanensis (FOSSIL) F. Hodson, 1931 †
Venericor parinensis (FOSSIL) (A.A. Olsson, 1928 †)
Cardita partschi (FOSSIL) (G.A. Goldfuss, 1837 †)
Pleuromeris parva (FOSSIL) (Lea, 1833 †)
Gujocardita parviradiatus (FOSSIL) (Ciriacks, 1963 †)
Pleuromeris paucicostata C.R. Laws, 1940
Pleuromeris pecten (FOSSIL) R. Tate, 1886 †
Cardita pectunculus (J.G. Bruguière, 1792)
Arcturellina pelseneeri (B. Prashad, 1932)
Purpurocardia penerectangularis (FOSSIL) (J.A. Bartrum & Powell,1928 †)
Cyclocardia penzhensis (FOSSIL) A.M. Popov, 1983 †
Cardita perantiqua (FOSSIL) T.A. Conrad †
Venericardia perimetra (FOSSIL) C.J. Maury, 1924 †
Pteromeris perplana (T.A. Conrad, 1841)
Purpurocardia perscrupulosa (FOSSIL) (J. Marwick, 1932 †)
Venericor peruviana (FOSSIL) (A.A. Olsson, 1928 †)
Claibornicardia pharaonum (FOSSIL) (Oppenheim 1903) †
Venericardia philotima (FOSSIL) C.J. Maury, 1924 †
Cardita pica L.A. Reeve, 1843
Venericor pilsbryi (FOSSIL) (C.C. Stewart, 1930 †)
Cyclocardia pilvoensis (FOSSIL) (Khomenko, 1934 †)
Venericardia pinnula (FOSSIL) B. de Basterot, 1825 †
Venericor planicosta (FOSSIL) (J.B.P.A. Lamarck,1801 †)
Carditamera plata (H.F.A. von Ihering,1907)
Cardita platycostata (FOSSIL) Johnston, 1880 †
Cyclocardia pliocenica (FOSSIL) A.M. Popov, 1983 †
Glans polynema (FOSSIL) R. Tate, 1886 †
Megacardita ponderosa (FOSSIL) H.H. Suter, 1913 †
Venericor potapacoensis (FOSSIL) (Clark & Martin, 1901 †)
Venericardia praecisa (FOSSIL) W.H. Dall, 1903 †
Cyclocardia praeruptensis (FOSSIL) (Slodkewitsch, 1938 †)