Cerion lewisi W.J. Clench, 1961
Cerion liliorum W.J. Clench, 1938
Cerion longidens H.A. Pilsbry, 1902
Cerion longissimus (J.F. Gmelin, 1791)
Cerion macrodon C.G. Aguayo & M.L. Jaume,1951
Cerion madama M.I. Sánchez Roig, 1951
Cerion maisianum H.A. Pilsbry, 1902
Cerion major H.H. Beck, 1837
Cerion manatiense C.G. Aguayo & M.L. Jaume,1951
Cerion marielinum H.A. Pilsbry, 1927
Cerion marielinum dominicanum W.J. Clench & C.G. Aguayo,1951
Cerion maritimum (L. Pfeiffer, 1839)
Cerion maritimum sublaevigatum L. Pfeiffer in H.A. Pilsbry& E.G. Vanatta, 1895
Cerion marmoratum L. Pfeiffer, 1847
Cerion martinianus H.C. Küster, 1844
Cerion maynardi H.A. Pilsbry & E.G. Vanatta,1895
Cerion melanostoma W.J. Clench, 1934
Cerion microdon H.A. Pilsbry & E.G. Vanatta,1896
Cerion microstomum (L. Pfeiffer, 1854)
Cerion migueleti M.I. Sánchez Roig, 1951
Cerion miguelinum A. Gonzalez Guillén, 2008
Cerion milleri (L. Pfeiffer, 1867)
Cerion minae C. de la Torre & Bermúdez
Cerion minor H.C. Küster, 1847
Cerion miramarae M.I. Sánchez Roig, 1951
Cerion mixta (C.J. Maynard & W.F. Clapp,1921)
Cerion monaense W.J. Clench, 1951
Cerion mortuorium C. de la Torre, 1953
Cerion multicosta (H.C. Küster, 1845)
Cerion multistriatum (H.C. Küster, 1845)
Cerion mumia (J.G. Bruguière, 1792)
Cerion mumia chrysalis (A.E.J. Férussacin H.H. Beck, 1837)
Cerion mumia gigantea M.I. Sánchez Roig, 1951
Cerion mumia hondanum H.A. Pilsbry, 1902
Cerion mumia magister H.A. Pilsbry & E.G. Vanatta,1896