Conus lemur A.A.H. Lichtenstein, 1794
Kioconus lenavati (A.J. Da Motta & D. Röckel,1982)
Conasprella lenhilli (W.P. Cargile, 1998)
Conasprella lentiginosa (L.A. Reeve, 1844)
Pionoconus leobottonii F.Jr. Lorenz, 2006
Phasmoconus leobrerai (A.J. Da Motta & P. Martin,1982)
Conus leonensis (FOSSIL) W.C. Mansfield, 1930 †
Lithoconus leopardus (P.F. Röding, 1798)
Conasprella levenensis (E. Monnier & M.J. Tenorio,2017)
Pseudolilliconus levis L. Bozzetti, 2012
Conasprelloides levistimpsoni J.K. Tucker, 2013
Darioconus leviteni J.K. Tucker, M.J. Tenorio& A. Chaney, 2011
Graphiconus lienardi (A.C. Bernardi& J.C.H. Crosse, 1861)
Conus ligatus (FOSSIL) R. Tate, 1890 †
Bermudaconus lightbourni (E.J. Petuch, 1986)
Conus limonensis (FOSSIL) A.A. Olsson, 1922 †
Profundiconus limpalaeri M.J. Tenorio & E. Monnier,2016
Eremiconus limpusi (D. Röckel & W. Korn,1990)
Lindaconus lindae (E.J. Petuch, 1987)
Conus lineatus (FOSSIL) S. Borson, 1820 †
Conus lineatus (FOSSIL) G.J. De Cristofori& G. Jan, 1832 †
Hemiconus lineatus (FOSSIL) (D.C. Solanderin G. Brander, 1766 †)
Cryptoconus lineolatus (FOSSIL) (J.B.P.A. Lamarck,1804 †)
Varioconus lineopunctatus (S.D. Kaicher, 1977)
Conus lisboae (FOSSIL) C.J. Maury, 1934 †
Calamiconus lischkeanus (H.C. Weinkauff, 1875)
Strategoconus litoglyphus (C.H. Hwassin J.G. Bruguière, 1792)
Elisaconus litteratus (C. Linnaeus, 1758)
Virgiconus lividus (C.H. Hwassin J.G. Bruguière, 1792)
Eremiconus lizardensis (J.C.H. Crosse, 1865)
Conasprella lizarum (G. Raybaudi Massilia& A.J. Da Motta, 1992)
Leptoconus locumtenens (J.F. Blumenbach, 1791)
Leptoconus locumtenens assilorenzoi (T. Cossignani & A. Assi,2016)
Leptoconus locumtenens biggii (T. Cossignani & A. Assi,2016)
Leptoconus locumtenens linae (T. Cossignani & A. Assi,2016)