Haustrum lacunosum (J.G. Bruguière, 1789)
Timbellus laetificus (FOSSIL) (Finlay, 1930 †)
Babelomurex laevicostatus (S. Kosuge, 1981)
Chesatrophon laevis (FOSSIL) (Martin, 1904 †)
Favartia lafayettei J. Espinosa & J.A. Ortea,2017
Nassa lagunitensis (FOSSIL) (Woods, 1922 †)
Favartia laletania (FOSSIL) Goret,Ledon & Pons, 2013 †
Leptoconchus lamarckii G.P. Deshayes, 1863
Terefundus lamelliferus (FOSSIL) P.A. Maxwell, 1988 †
Nucella lamellosa (J.F. Gmelin, 1791)
Nucella lamellosa cymica W.H. Dall, 1915
Nucella lamellosa hormica W.H. Dall, 1915
Nucella lamellosa neptunea W.H. Dall, 1915
Nucella lamellosa sitkana W.H. Dall, 1915
Vokesinotus lamellosus (FOSSIL) (E. Emmons, 1858 †)
Gemixystus laminatus (W.F. Petterd, 1884)
Typhinellus laminatus R. Houart & V. Héros,2015
Siratus lamyi D. Merle & B. Garrigues,2008
Typhinellus lamyi B. Garrigues & D. Merle,2014
Enatimene lanceolatus R. Houart, 2004
Haustellum langleitae R. Houart, 1993
Chicomurex lani R. Houart,Moe & C. Chen, 2014
Scabrotrophon lani R. Houart & W.K.C. Sun,2004
Nucella lapillus (C. Linnaeus, 1758)
Nucella lapillus bizonalis (J.B.P.A. Lamarck, 1822)
Nucella lapillus castanea P. Dautzenberg, 1882
Nucella lapillus imbricata (C. Linnaeus, 1758)
Nucella lapillus incrassatus (FOSSIL) (Sowerby, 1825) †
Favartia lappa (W.J. Broderip, 1833)
Chicoreus laqueatus (G.B. II Sowerby, 1841)
Neothais lassa (FOSSIL) J. Marwick, 1948 †
Ocinebrina lassaignei (FOSSIL) (B. de Basterot, 1825 †)
Zeatrophon lassus (FOSSIL) (J. Marwick, 1928 †)
Mancinella lata (J.T. Kuroda, 1931)
Magilus latens L. Bozzetti, 2011