Pecten beali (FOSSIL) L.G. Hertlein, 1925 †
Pecten beaveri (FOSSIL) J. de C. Sowerby, 1817 †
Chlamys behringiana A.T. von Middendorff,1849
Micronectes bellaturus (FOSSIL) Ichikawa & Maeda 1958 †
Chlamys bellicostata (FOSSIL) Wood, 1861 †
Neithea bellulus (FOSSIL) Cragin, 1893 †
Pecten bellus (FOSSIL) T.A. Conrad, 1857 †
Spathochlamys benedicti (W.H. Dall, 1898)
Pecten beringianus A.T. von Middendorff,1849
Cryptopecten bernardi (R.A. Philippi, 1851)
Rebeccapecten berryae (FOSSIL) Ward, 1992 †
Pecten besseri (FOSSIL) Andrzejowski, 1830 †
Pecten beudanti (FOSSIL) B. de Basterot, 1825 †
Pecten beudanti pluriscissus (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1921 †
Neithea biangulata (FOSSIL) Imlay, 1940 †
Chlamys biarritzensis (FOSSIL) d'Archiac, 1846 †
Chlamys biddleana (FOSSIL) Kellum, 1926 †
Aequipecten bierringi (FOSSIL) Rosenkrantz, 1934 †
Hilberia bifida (FOSSIL) (Münsterin G.A. Goldfuss, 1835 †)
Equichlamys bifrons (J.B.P.A. Lamarck, 1819)
Leptopecten bilineatus (FOSSIL) Clark, 1915 †
Paraleptopecten biolleyi (L.G. Hertlein& A.M. Strong, 1946)
Hyalopecten bittneri (FOSSIL) (Toula) †
Mimachlamys blowi (FOSSIL) Waller, 2011 †
Amusium bocasense (FOSSIL) A.A. Olsson, 1922 †
Agerchlamys boellingi (FOSSIL) Taylor & Guex, 2002 †
Chlamys bollenensis (FOSSIL) Mayer-Eymar, 1876 †
Laevichlamys boninensis (H.H. Dijkstra& A. Matsukuma, 1993)
Patinopecten bosei (FOSSIL) G.D. Hanna& L.G. Hertlein, 1927 †
Mirapecten boutetorum H.H. Dijkstra, 2011
Euvola bowdenensis (FOSSIL) W.H. Dall, 1898 †
Chlamys branneri (FOSSIL) R. Arnold, 1906 †
Palliolum breviauritum (FOSSIL) (G.P. Deshayes, 1830 †)
Boreionectes broenlundi (FOSSIL) J.P.J. Ravn, 1911 †
Camptonectes browni (FOSSIL) L.R. Cox, 1935 †