Conus lindapowersae (Petuch & Berschauer, 2017)
Conus lineopunctatus Kaicher, 1977
Conus lischkeanus okamotoi Kuroda & Itô, 1961
Conus lischkeanus subroseus Rockel & Korn, 1992
Conus lischkeanus tropicensis Coomans & Filmer, 1985
Conus lischkeanus Weinkauff, 1875
Conus litoglyphus carpenteri Crosse, 1865
Conus litoglyphus Hwass, 1792
Conus litoglyphus lacinulatus Kiener, 1845
Conus litoglyphus seychellensis G. Nevill & H. Nevill, 1874
Conus litteratus Linnaeus, 1758
Conus lividus Hwass, 1792
Conus lizardensis Crosse, 1865
Conus lobitensis Kaicher, 1977
Conus locumtenens assilorenzoi (Cossignani & Assi, 2016)
Conus locumtenens biggii (Cossignani & Assi, 2016)
Conus locumtenens Blumenbach, 1791
Conus locumtenens linae (Cossignani & Assi, 2016)
Conus lohri Kilburn, 1972
Conus longilineus Rockel, Rolan & Monteiro, 1980
Conus longurionis Kiener, 1845
Conus lorenzi (Monnier & Limpalaer, 2012)
Conus loriae (T. Cossignani, Allary & P. G. Stimpson, 2022)
Conus loroisii huberorum da Motta, 1989
Conus loroisii Kiener, 1847
Conus lozeti Richard, 1980
Conus lucaya Petuch, 2000
Conus luciae Moolenbeek, 1986
Conus lugubris Reeve, 1849
Conus luquei Rolan 1990
Conus lusca Petuch & Berschauer, 2017
Conus luteus Sowerby, 1833
Conus lynceus Sowerby, 1857
Conus mackintoshi (Petuch, 2013)
Conus maculospira bangladeshianus da Motta, 1985
Conus maculospira Pilsbry, 1922
Conus madagascariensis Sowerby, 1858
Conus madecassinus (Bozzetti, 2012)
Conus magdalenensis Barstch, 1939
Conus magellanicus Hwass, 1792
Conus magnificus Reeve, 1843
Conus magnottei Petuch, 1987
Conus magus ambaroides Shikama, 1977
Conus magus assimilis A. Adams, 1854
Conus magus borneensis G. B. Sowerby II, 1866
Conus magus epistomioides Weinkauff, 1875
Conus magus frauenfeldi Crosse, 1865
Conus magus fulvobullatus da Motta, 1982
Conus magus L., 1758 - FAKE
Conus magus Linnaeus, 1758
Conus magus metcalfii Reeve, 1843
Conus magus raphanus Hwass, 1792
Conus magus rollandi Bernardi, 1860
Conus magus tasmaniae G. B. Sowerby II, 1866
Conus magus worcesteri Brazier, 1891
Conus mahogani Reeve, 1843
Conus maioensis Trovão, Rolán & Félix-Alves, 1990
Conus malabaricus Monnier, Limpalaer & Tenorio, 2017
Conus malacanus Hwass, 1792
Conus maldivus Hwass, 1792
Conus mappa jesusramirezi Cossignani, 2010
Conus mappa mappa Lightfoot, 1789
Conus marchionatus Hinds, 1843
Conus marckeppensi (Cossignani & Fiadeiro, 2017)
Conus marcocastellazzii (Cossignani & Fiadeiro, 2014)
Conus marcusi (Petuch, Berschauer & Poremski, 2016)
Conus mariaodeteae (Petuch & R. F. Myers, 2014)
Conus marielae Rehder & B. R. Wilson, 1975
Conus marileeae Harasewych, 2014
Conus marimaris (Tenorio, Abalde & Zardoya, 2018)
Conus marinae Petuch & Myers, 2014
Conus marmoreus binhthuanensis Thach, 2023
Conus marmoreus crosseanus Bernardi, 1861
Conus marmoreus crosseanus lineata Crosse, 1878
Conus marmoreus L., 1758 batard form
Conus marmoreus Linnaeus, 1758
Conus marmoreus pseudomarmoreus Crosse, 1875
Conus marmoreus suffusus G. B. Sowerby II, 1870
Conus martensi E.A.Smith, 1884
Conus martinianus Reeve, 1844
Conus mascarenensis (Monnier & Limpalaër, 2019)
Conus mauricioi Coltro, 2004
Conus maya (Petuch & Sargent, 2011)
Conus mayaguensis Nowell-Usticke, 1968
Conus mazei Deshayes, 1874
Conus mazzolii Petuch & Sargent, 2011
Conus mcbridei Lorenz, 2005
Conus mcgintyi Pilsbry, 1955
