Cerithium markusreuteri (FOSSIL) M. Harzhauser, 2007 †
Cerithium marosticum T.A. de M. Monterosato,1911
Cerithium matukense (R.B. Watson, 1880)
Cerithium mediolaeve H.F. Carpenter, 1857
Proclava meisense (FOSSIL) J. Makiyama †
Rhinoclavis melanoides (FOSSIL) (J.B.P.A. Lamarck,1804 †)
Argyropeza melvilli M.M. Schepman, 1909
Cerithium meneghinii (FOSSIL) O.G. Michelotti, 1861 †
Cerithium meneguzzoi (FOSSIL) A. Fuchs, 1870 †
Cerithium menkei P.P. Carpenter, 1857
Proclava meranginana (FOSSIL) (Martin, 1922 †)
Pseudoaluco mesopotamicus (FOSSIL) M. Harzhauser, Hosgör& J.M. Pacaud, 2013 †
Bittium mexicanum P. Bartsch, 1911
Cerithium michelottii (FOSSIL) R. Hoernes, 1856 †
Cerithium microlineatum (FOSSIL) W.M. Gabb, 1873 †
Levicerithium micronema (FOSSIL) (F.B. Meek †)
Bittium midwayense S. Kosuge, 1979
Cerithium minor (FOSSIL) C. Moore, 1866 †
Cerithium minutum P.M.T. de Serres, 1828
Bittium misellissimum (FOSSIL) M. Yokoyama, 1926 †
Uchauxia mogharense (FOSSIL) J.H.F. Douvillé, 1916 †
Alabina monicensis P. Bartsch, 1911
Cerithium monthiersi (FOSSIL) Vasseur, 1881 †
Cerithium morgani (FOSSIL) Vasseur, 1881 †
Fastigiella morgani (FOSSIL) A.E.M. Cossmann & G. Pissarro †,
Nudivagus morrisi (FOSSIL) H.L. Abbas, 1973 †
Cerithium multiforme (FOSSIL) Hislop, 1859 †
Cerithium multivariculosum (FOSSIL) A.E.M. Cossmann, 1923 †
Cerithium munitum G.B. II Sowerby, 1855
Lirobittium munitum (P.P. Carpenter, 1864)
Lirobittium munitum munitoide P. Bartsch, 1911
Cerithium muscarum T. Say, 1832
Bittium naganumanum (M. Yokoyama, 1925)
Cerithium nananumanum J. Yokoyama, 1861
Bittium nanum (C. Mayer, 1864)