Mesomiltha portlandica (FOSSIL) (Sowerby, 1836 †)
Codakia portoricana W.H. Dall, 1901
Cardiolucina postalveatus (FOSSIL) Gardner, 1943 †
Parvilucina posteocurta (FOSSIL) D.T. Dockery, 1982 †
Cardiolucina praetermissa (FOSSIL) N.H. Ludbrook, 1983 †
Ctena prechiquita (FOSSIL) Fischer, 1986 †
Divaricella prevaricata (FOSSIL) R.J.L. Guppy, 1896 †
Jagonoma prevosti (FOSSIL) (G.P. Deshayes, 1857 †)
Illionia prisca (FOSSIL) (Hisinger, 1837 †)
Myrtina pristiphora (W.H. Dall & C.T. Simpson,1901)
Loripes proavius (FOSSIL) L. Waagen, 1881 †
Luciniola problematica (FOSSIL) (Terquem, 1855 †)
Gonimyrtea producta (FOSSIL) Berezovsky, 2010 †
Gonimyrtea profunda Glover & J.D. Taylor,2016
Pillucina profusa Glover & J.D. Taylor,2016
Lucina projecta (FOSSIL) R. Tate, 1886 †
Divaricella proletaria (FOSSIL) Pilsbry & Johnson 1917 †
Cavilinga prolongata (Carpenter, 1857)
Lucinoma promaucana (FOSSIL) (R.A. Philippi, 1877 †)
Gonimyrtea prona (FOSSIL) (G.P. Deshayes, 1857 †)
Lucinisca protista (FOSSIL) W.P. Woodring, 1982 †
Saxolucina proxima (FOSSIL) (G.P. Deshayes, 1857 †)
Saxolucina proxima secunda (FOSSIL) (G.P. Deshayes, 1857 †)
Saxolucina proxima sparnacen (FOSSIL) (G.P. Deshayes, 1857 †)
Parvilucina prunus (FOSSIL) W.H. Dall, 1903 †
Myrtea pseudocorbis (M. Nicklés, 1952)
Bourdotia pulchella (FOSSIL) (A.E.R. Agassiz, 1845 †)
Liralucina pulchella (H. Lynge, 1909)
Mesomiltha pulchra (FOSSIL) (C.A. von Zittel& Goubert, 1861 †)
Codakia punctata (C. Linnaeus, 1758)
Parvilucina pusilla (FOSSIL) (G.P. Deshayes, 1857 †)
Pillucina pusilla Glover & J.D. Taylor,2016
Sinbadiella pygmaea (FOSSIL) Hautmann & A. Nützel,2005 †
Megaxinus quadrangularis R. von Cosel & P. Bouchet,2008
Epicodakia quadrata (G.F. Angas, 1877)