Psammacoma korobkovi (FOSSIL) A.I. Kafanov, 2001 †
Elliptotellina kouriatchyi (FOSSIL) Furon 1948 †
Macoma kovatschensis (FOSSIL) V.N. Sinelnikova, 1991 †
Alaona krabi M. Huber, A. Langleit& K. Kreipl, 2015
Angulinides kusabi M. Huber, A. Langleit& K. Kreipl, 2015
Tellina laceridens (S.C.T. Hanley, 1844)
Semelangulus lacrimadugongi S. Kato & Ohsuga, 2007
Tellina laevigata (C. Linnaeus, 1758)
Macoma lama P. Bartsch, 1929
Homalina lamarckii (FOSSIL) (G.P. Deshayes, 1824 †)
Serratina lamellosa (A. Issel, 1869)
Tellina lamellosa (FOSSIL) G.P. Deshayes, 1825 †
Gastrana laminosa (FOSSIL) Sowerby, 1827 †
Scissula lampra (FOSSIL) W.H. Dall, 1900 †
Abranda lamprelli B.K. Raines & M. Huber,2012
Macoma lamproleuca (H.A. Pilsbry & H.N. Lowe,1932)
Tellina lanceolata J.F. Gmelin, 1791
Tellina languida E.A. Smith, 1885
Moerella laperousea B.K. Raines & M. Huber,2012
Fragilia laudunensis (FOSSIL) G.P. Deshayes, 1857 †
Tellina leana (FOSSIL) †
Phyllodina lebecki (FOSSIL) Anderson & G.D. Hanna,1925 †
Cadella lechriogramma (J.C. Melvill, 1892)
Tampaella leei M. Huber, A. Langleit& K. Kreipl, 2015
Macoma lenis (FOSSIL) T.A. Conrad, 1843 †
Macoma leognanensis (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1910 †
Phyllodina lepidota (FOSSIL) W.H. Dall, 1900 †
Phyllodina leptalea (FOSSIL) Gardner, 1947 †
Abranda letourneuxi M. Huber, A. Langleit& K. Kreipl, 2015
Tellina levesquei (FOSSIL) A.V.M.D. D'Orbigny,1850 †
Macoma levior G.B. Sowerby, 1904
Tellina liliana T. Iredale, 1915
Sylvanus lilium (S.C.T. Hanley, 1844)
Macoma limula W.H. Dall, 1895
Moerella lincolnensis (FOSSIL) C.S. Weaver, 1916 †