Miltha avitensis (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1921 †
Phacoides axinoides (FOSSIL) (Dufour, 1881 †)
Callucina balcombica (FOSSIL) A.E.M. Cossmann, 1912 †
Barbierella barbieri (FOSSIL) (G.P. Deshayes, 1858 †)
Divalinga bardwelli (T. Iredale, 1936)
Lepidolucina belepia E.A. Glover & D.W. Taylor,2007
Lucina beliziana J. Gibson-Smith& W. Gibson-Smith, 1982
Ctena bella (T.A. Conrad, 1837)
Miltha bellardiana (FOSSIL) (C. Mayer, 1864 †)
Mesomiltha bellona (FOSSIL) (A.V.M.D. D'Orbigny,1850 †)
Lucinoma bengalensis (E.A. Smith, 1894)
Lucina benoisti A.E.M. Cossmann, 1900
Callucina bermudensis (W.H. Dall, 1901)
Lucina bernayi (FOSSIL) A.E.M. Cossmann, 1887 †
Pegophysema bialata (H.A. Pilsbry, 1895)
Lucina bicristata (FOSSIL) A.E.M. Cossmann, 1887 †
Here bipartita (FOSSIL) (J.L.M. Defrance, 1823 †)
Lucinoma blakeana (K.J. Bush, 1893)
Cavilinga blanda (W.H. Dall, 1901)
Pegophysema blanquita (D.W. Taylor & E.A. Glover,2005)
Lucinisca bocasensis (FOSSIL) A.A. Olsson, 1922 †
Myrtina boholensis Glover & J.D. Taylor,2016
Here bolivarensis (FOSSIL) Anderson, 1928 †
Lucina bombifrons (FOSSIL) L. Waagen, 1881 †
Monitilora bonneti (A.E.M. Cossmann, 1923)
Lucinoma borealis (C. Linnaeus, 1767)
Lucinoma borealis praecedens (FOSSIL) (A. von Koenen, 1868 †)
Bourdotia boschorum H. Dekker & J. Goud, 1994
Notomyrtea botanica (C. Hedley, 1918)
Phacoides bourgaulti (FOSSIL) (Dufour, 1881 †)
Lucina bowdenensis (FOSSIL) W.P. Woodring, 1925 †
Myrtea bractea C. Hedley, 1911
Easmithia bractea Glover & J.D. Taylor,2016
Loripes brasilianus (A.V.M.D. D'Orbigny,1842)
Lucina brevifulcrata (FOSSIL) A.E.M. Cossmann, 1887 †