Truncaria lindae (E.J. Petuch, 1987)
Cantharus lindae (FOSSIL) E.J. Petuch, 1994 †
Buccinulum linea (T. Martyn, 1784)
Buccinulum lineare L.A. Reeve, 1846
Engina lineata (L.A. Reeve, 1846)
Serratifusus lineatus M.G. Harasewych, 1991
Cominella lineolata (J.B.P.A. Lamarck, 1809)
Chauvetia lineolata (N. Tiberi, 1868)
Pollia lineolata (R.W. Dunker, 1844)
Metula lintea R.J.L. Guppy, 1882
Manaria lirata J.T. Kuroda & T. Habe,1961
Pisania lirocincta G.B. III Sowerby, 1910
Buccinum lischkeanum C.H.W.T. Löbbecke, 1881
Kelletia lischkei J.T. Kuroda, 1938
Buccinulum littorinoides L.A. Reeve, 1846
Engina livida (G.B. I Sowerby, 1832)
Manaria loculosa Fraussen & Stahlschmidt,2016
Aeneator loisae H.A. Rehder, 1971
Buccinulum longicolle (FOSSIL) Powell, 1929 †
Buccinum longifiliare R. Tiba, 1983
Penion longirostris (FOSSIL) (R. Tate, 1888 †)
Siphonalia longirostris R.W. Dunker, 1882
Americominella longisetosus (Z.J.A. De Castellanos& C. Fernández, 1972)
Manaria lozoueti Fraussen & Stahlschmidt,2016
Euthria lubrica (W.H. Dall, 1918)
Chauvetia luciacuestae P.G. Oliver & E. Rolán,2008
Pisania luctuosa (C.M. Tapparone-Canefri,1880)
Cantharus lulianus (FOSSIL) K. Martin, 1884 †
Searlesia lundgrenii (FOSSIL) Harmer (ex Morch & Poulsen MS) †,
Retimohnia lussae A. Kosyan & Y.I. Kantor,2016
Buccinum luteolum A. Valenciennes, 1858
Buccinum lyperium W.H. Dall, 1919
Neptunea lyrata (J.F. Gmelin, 1791)
Neptunea lyrata obralete A.N. Golikov, 1962
Neptunea lyrata turnerae A.H. Clarke, 1956