Amusium mortoni (FOSSIL) E. Ravenel, 1844 †
Talochlamys multicolor (J.C. Melvill & R. Standen,1907)
Pecten multicostatus (FOSSIL) S. Nilsson, 1827 †
Talochlamys multilamellata (FOSSIL) A.G. Beu & T.A. Darragh,2001 †
Laevichlamys multisqualida H.H. Dijkstra, 1994
Laevichlamys multisquamata (R.W. Dunker, 1864)
Talochlamys multistriata (G.S. Poli, 1795)
Mizuhopecten murayamai (FOSSIL) (Yokoyama 1926) †
Annachlamys murrayana (FOSSIL) (R. Tate, 1886 †)
Lindapecten muscosus (Wood, 1828)
Delectopecten musorstomi J. Poutiers, 1981
Mizuhopecten nakatombetsuensis (FOSSIL) (Akiyama, 1962 †)
Leochlamys namigataensis (FOSSIL) H. Ozaki, 1956 †
Austrochlamys natans (R.A. Philippi, 1845)
Pecten nearchi (FOSSIL) E.W. Vredenburg, 1928 †
Adamussium necopinatum (FOSSIL) Quilty & al., 2016 †
Chesapecten nefrens (FOSSIL) Ward & Blackwlder, 1975 †
Hyalopecten neoceanicus (W.H. Dall, 1908)
Pecten nerei (FOSSIL) Münster, 1841 †
Argopecten nerterus (FOSSIL) W.P. Woodring, 1982 †
Delectopecten neuquenensis (FOSSIL) del Rio & al., 2008 †
Vertipecten nevadanus (FOSSIL) (W.H. Dall, 1909 †)
Chlamys nicholsi (FOSSIL) Gardner, 1926 †
Aequipecten nicklesi H.H. Dijkstra, 1998
Pecten nigromagnus (FOSSIL) (F. Sacco, 1897 †)
Pecten nilssoni (FOSSIL) G.A. Goldfuss, 1836 †
Chlamys nisataiensis (FOSSIL) Y. Otuka, 1935 †
Nodipecten nodosus (C. Linnaeus, 1758)
Nodipecten nodosus gabonensis (K. Nicolay, 1981)
Bractechlamys nodulifera (Sowerby, 1842)
Argopecten noronhensis (E.A. Smith, 1885)
Pecten novaezelandiae L.A. Reeve, 1852
Pecten novaezelandiae rakiura L.A. Reeve, 1852
Argopecten nucleus (I. von Born, 1778)
Pecten nugenti (FOSSIL) J. Brown, 1913 †