Pseudodaphnella lemniscata (G. Nevill & H. Nevill,1869)
Taranis leptalea (A.E. Verrill, 1884)
Xanthodaphne leptalea (K.J. Bush, 1893)
Pleurotomella leptoconcha É.A.A. Locard, 1897
Gymnobela leptoglypta (P. Dautzenberg& H. Fischer, 1896)
Daphnella letourneuxiana (J.C.H. Crosse& P.H. Fischer, 1865)
Pseudodaphnella leuckarti (R.W. Dunker, 1860)
Daphnella leucolabrata (L. de Folin, 1867)
Daphnella leucophlegma (W.H. Dall, 1881)
Raphitoma leufroyi (A. Michaud, 1828)
Daphnella levicallis L.H. Poorman, 1983
Teretiopsis levicarinatus Y.I. Kantor & A.V. Sysoev,1989
Xanthodaphne levis A.V. Sysoev, 1988
Daphnella lifouana R.P.J. Hervier, 1897
Eubela limacina (W.H. Dall, 1881)
Raphitoma linearis (G. Montagu, 1803)
Pseudodaphnella lineata A.E. Fedosov& N. Puillandre, 2012
Gymnobela lineola (W.H. Dall, 1927)
Raphitoma lineolata (M.E.J. Bucquoy, P. Dautzenberg& G.F. Dollfus, 1883)
Leiosyrinx liphaima P. Bouchet & A.V. Sysoev,2001
Thatcheria liratula (FOSSIL) Powell, 1942 †
Buccinaria loochooensis (FOSSIL) F.S. MacNeil, 1960 †
Azorilla lottae (A.E. Verrill, 1885)
Daphnella louisae D. De Jong & H.E. Coomans,1988
Spiradaphne lowei (FOSSIL) McNeil, 1984 †
Awheaturris lozoueti M. Morassi & A. Bonfitto,2013
Pleurotomella lucasii (J.C. Melvill, 1904)
Pseudodaphnella lucida (E.A. Smith, 1884)
Lusitanops lusitanicus (E.R. Sykes, 1906)
Exomilus lutaria (C. Hedley, 1907)
Kermia lutea (W.H. Pease, 1860)
Daphnella lymneiformis W.P. Woodring, 1928
Hemilienardia lynx Fedosov, Stahlschmidt, Puillandre, Aznar-Cormano& Bouchet, 2017
Daphnella lyonsi J. Espinosa& R. Fernández-Garcés, 1990
Theta lyronuclea (A.H. Clarke, 1959)