Pustulatirus mediamericanus (L.G. Hertlein& A.M. Strong, 1951)
Graphidula melanopsis (FOSSIL) (T.A. Conrad, 1860 †)
Peristernia melanorhynca (C.M. Tapparone-Canefri,1882)
Latirus meli L. Bozzetti, 2014
Streptolathyrus mellevillei (FOSSIL) (A.E.M. Cossmann, 1889 †)
Turrilatirus melvilli (M.M. Schepman, 1911)
Fusinus meredithae (FOSSIL) Tenison Woods, 1875 †
Hesperaptyxis meridionalis (FOSSIL) Callomon & Snyder, 2017 †
Euthriofusus mesozoicus (FOSSIL) B. Wade, 1917 †
Dolicholatirus metae (FOSSIL) E.J. Petuch, 1994 †
Fusinus meteoris S. Gofas, 2000
Fusinus meunieri (FOSSIL) C.J. Maury, 1912 †
Fusinus meyeri (R.W. Dunker, 1869)
Heilprinia miamiensis (FOSSIL) E.J. Petuch, 1994 †
Fusinus michaelrogersi D.R. Goodwin, 2001
Pleuroploca michelottiana (FOSSIL) (J.P.S. Grateloup,1847 †)
Leucozonia micronema (FOSSIL) R. Tate, 1888 †
Remera microstriata (FOSSIL) L.W. Stephenson, 1941 †
Fusinus midwayensis S. Kosuge, 1979
Mariafusus migrans (FOSSIL) (T.A. Conrad, 1843 †)
Streptochetus millardi (FOSSIL) (M. Rouault, 1849 †)
Dolicholatirus minusculus L. Bozzetti, 2007
Latirus minutisquamosus (L.A. Reeve, 1848)
Fusus miocosmius (FOSSIL) A.A. Olsson, 1922 †
Latirus mississippiensis (FOSSIL) (T.A. Conrad, 1848 †)
Fusinus mithras (FOSSIL) P.O. Jung, 1965 †
Fusinus mitranus (FOSSIL) P.O. Jung, 1965 †
Pornosis modica (FOSSIL) N.F. Sohl, 1964 †
Fusinus mohrioides (FOSSIL) C.J. Maury, 1912 †
Latirus mollis (G.B. III Sowerby, 1913)
Ollaphon molorthus (C. Hedley & W.L. May,1908)
Peristernia moltenii L. Bozzetti, 2014
Fasciolaria monocingulata (FOSSIL) W.H. Dall, 1890 †
Granulifusus monsecourorum R. Hadorn & K. Fraussen,2005
Latirus moorei (FOSSIL) W.M. Gabb, 1860 †