Dendroconus loczyi (FOSSIL) Erünal-Erentöz, 1958 †
Darioconus lohri (R.N. Kilburn, 1972)
Lindaconus lombardii (FOSSIL) J.R. Hendricks, 2015 †
Africonus longilineus (D. Röckel, E. Rolán& A. Monteiro, 1980)
Conus longisperatus (FOSSIL) C.J. Maury, 1934 †
Conus longitudinalis (FOSSIL) Pilsbry & Johnson, 1917 †
Fusiconus longurionis (L.C. Kiener, 1847)
Conus loochooensis (FOSSIL) F.S. MacNeil, 1960 †
Conus loomisi (FOSSIL) Dall & Ochsner, 1928 †
Conasprella lorenzi E. Monnier & L. Limpalaër,2012
Profundiconus loyaltiensis D. Röckel & R.G. Moolenbeek,1995
Malagasyconus lozeti (G. Richard, 1980)
Textilia lucasi L. Bozzetti, 2010
Textilia lucasi albina L. Bozzetti, 2011
Purpuriconus lucaya (E.J. Petuch, 2000)
Kurodaconus luciae (R.G. Moolenbeek, 1986)
Conasprella lucida (W. Wood, 1828)
Africonus lugubris (L.A. Reeve, 1849)
Africonus luquei (E. Rolán & H. Trovão,1990)
Conasprella lusca (E.J. Petuch, D.P. Berschauer& Poremski, 2017)
Isoconus luteus (G.B. I Sowerby, 1833)
Conus lyelli (FOSSIL) J.R. Hendricks, 2015 †
Graphiconus lynceus (G.B. II Sowerby, 1858)
Conilithes lyratus (FOSSIL) (P. Marshall, 1918 †)
Conus maaboensis (FOSSIL) Icke & Martin, 1907 †
Cryptoconus macnairyensis (FOSSIL) B. Wade, 1917 †
Conus macneili (FOSSIL) Kanno,O'hara & Caagusan, 1982 †
Conus macrocentrus (FOSSIL) Bayan, 1873 †
Conus maculosus (FOSSIL) J.P.S. Grateloup, 1835 †
Conus maculosus notabilis (FOSSIL) M.A. Peyrot, 1930 †
Darioconus madagascariensis (G.B. II Sowerby, 1858)
Graphiconus madecassinus (L. Bozzetti, 2012)
Conus madurensis (FOSSIL) Martin, 1906 †
Dendroconus maga (FOSSIL) E.H. Vokes, 1938 †
Purpuriconus magellanicus (C.H. Hwassin J.G. Bruguière, 1792)