Lucina katherinepalmerae N.E. Weisbord, 1964
Lucinoma kazani C. Salas & Woodside, 2002
Phacoides kedrovensis (FOSSIL) Pronina, 1969 †
Callucina keenae (A.L. Chavan, 1971)
Lucina kellumi (FOSSIL) Imlay, 1940 †
Lucina kemedjingensis (FOSSIL) Martin, 1916 †
Epicodakia kennethi (T. Iredale, 1936)
Sphaera koeneni (FOSSIL) (Behrendsen †)
Pegophysema kora (D.W. Taylor & E.A. Glover,2005)
Solelucina koumacia E.A. Glover & Taylor,2007
Linga kovatchevi (FOSSIL) Karagyuleva, 1964 †
Nipponothracia kuhnpassetensis (FOSSIL) (Kelly & al. 2000) †
Elliptiolucina labeyriei R. von Cosel & P. Bouchet,2008
Pseudolucinisca lacteola (R. Tate, 1897)
Loripes lacteus (C. Linnaeus, 1758)
Loripes lacteus elatus É.A.A. Locard, 1890
Parvidontia laevis E.A. Glover & Taylor,2007
Fimbria lajoyei (FOSSIL) d'Archiac, 1843 †
Lucinoma lamellata (E.A. Smith, 1881)
Prophetilora lamellicardo (FOSSIL) (Cossmann 1908) †
Lucinoma lamelligera K.H.J. Thiele& S.G.A. Jaeckel, 1931
Fimbria lamellosa (FOSSIL) (J.B.P.A. Lamarck,1806 †)
Myrtea lamellosa (G.B. I Sowerby, 1833)
Pteromyrtea laminata (FOSSIL) (F.W. Hutton, 1885 †)
Cardiolucina lamothei (P. Dautzenberg, 1912)
Cavilinga lampra (W.H. Dall, 1901)
Indoaustriella lamprelli E.A. Glover, D.W. Taylor& G.C. Williams, 2008
Saxolucina lamyi (FOSSIL) R. Abrard, 1942 †
Callucinella latebrosa (FOSSIL) (G.P. Deshayes, 1857 †)
Parvilucina latens J.D. Taylor & Glover,2016
Liralucina lathetikosa Glover & J.D. Taylor,2016
Fimbria laticostata (FOSSIL) (Münster, 1841 †)
Schafhaeutlia laubei (FOSSIL) (Bittner, 1895 †)
Sphaeriola leedae (FOSSIL) J. Marwick, 1953 †
Lucina lefevrei (FOSSIL) A.E.M. Cossmann, 1887 †