Terebraspira kissimmeensis (FOSSIL) E.J. Petuch, 1994 †
Fusinus kobelti (W.H. Dall, 1877)
Pseudolatirus kurodai (FOSSIL) T.A. Okutani & K. Sakurai,1964 †
Pseudolatirus kuroseanus (FOSSIL) (T.A. Okutani, 1975 †)
Terebraspira labelleensis (FOSSIL) E.J. Petuch, 1994 †
Fusinus labronicus (T.A. de M. Monterosato,1884)
Polygona lactea (Matthews-Cascon, H.C. Matthews& C. de A. Rocha, 1991)
Fusinus laetus (G.B. II Sowerby, 1880)
Clavilithes laevigatus (FOSSIL) (J.F. Gmelin, 1791 †)
Clavilithes laevigatus subuniplicatus (FOSSIL) A.W. Grabau, 1904 †
Pleuroploca laeviuscula (FOSSIL) (Sowerby, 1839 †)
Clavilithes lagunitensis (FOSSIL) A.A. Olsson, 1928 †
Glyptostyla lagunitensis (FOSSIL) A.A. Olsson, 1929 †
Clavilithes lamarcki (FOSSIL) Wrigley, 1927 †
Fusinus lamellosus (FOSSIL) S. Borson, 1821 †
Hemipolygona lamyi M.A. Snyder, 2007
Lamellilatirus lamyi W.G. Lyons & M.A. Snyder,2013
Dolicholatirus lancea (J.F. Gmelin, 1791)
Benimakia lanceolata (L.A. Reeve, 1847)
Fusinus lapparenti (FOSSIL) (Briart & Cornet, 1887 †)
Fasciolaria lastroensis (FOSSIL) C.J. Maury, 1936 †
Fusinus laticlavius Callomon & Snyder, 2017
Fusinus laticostatus (G.P. Deshayes, 1830)
Turrilatirus lautus (L.A. Reeve, 1847)
Fusinus laviniae M.A. Snyder & R. Hadorn,2006
Dolicholatirus leaensis (FOSSIL) G.F. Harris, 1897 †
Chryseofusus lecourtorum K. Fraussen& P. Stahlschmidt, 2014
Clavilithes leilanensis (FOSSIL) E.W. Vredenburg, 1923 †
Clavilithes lemarchandi (FOSSIL) A.E.M. Cossmann, 1907 †
Streptolathyrus lemchei (FOSSIL) Schnetler, 2001 †
Drilluta lemniscata (FOSSIL) N.F. Sohl, 1964 †
Anomalofusus lemniscatus (FOSSIL) N.F. Sohl, 1964 †
Fusinus leptorhynchus (C.M. Tapparone-Canefri,1875)
Latirulus lesbarritzensis P. Lozouet, 2015
Pseudolatirus leucostriatus (FOSSIL) S. Kosuge, 1979 †