Antillophos lucubratonis K. Fraussen & G.T. Poppe,2005
Cyllene lugubris A. Adams & L.A. Reeve,1850
Nassarius luteolus (E.A. Smith, 1879)
Phrontis luteostoma (W.J. Broderip& G.B. I Sowerby, 1829)
Monoptygma lymneoides (FOSSIL) (T.A. Conrad, 1833 †)
Phos lyraecostatus (FOSSIL) J.E. Tenison-Woods,1876 †
Nassarius maccauslandi W.O. Cernohorsky, 1984
Nassarius macilentus (FOSSIL) (T.L. Casey, 1903 †)
Nassarius macrocephalus (M.M. Schepman, 1911)
Nassarius macrodon (FOSSIL) (H.G. Bronn, 1831 †)
Nassarius madiunensis (FOSSIL) (K. Martin, 1895 †)
Nassarius madurensis H.H. Kool, 2013
Nassaria magnifica C.E. Lischke, 1871
Nassaria magnifica kirai T. Habe, 1961
Nassaria magnifica lischkei (J.T. Kurodain J. Makiyama, 1927)
Nassaria magnifica okinavia (FOSSIL) (F.S. MacNeil, 1960 †)
Nassaria magnifica shimajiriensis (FOSSIL) F.S. MacNeil, 1960 †
Antillophos makiyamai (J.T. Kuroda, 1961)
Nassarius mammilliferus (J.C. Melvill, 1897)
Nassarius mancietensis (FOSSIL) M.A. Peyrot, 1924 †
Nassarius mandirensis (FOSSIL) C.H. Oostingh, 1939 †
Nassarius mangkalihatensis (FOSSIL) C. Beets, 1941 †
Pallacera maracaibensis (FOSSIL) (N.E. Weisbord, 1929 †)
Nassarius margaritifer (R.W. Dunker, 1847)
Nassarius marmoreus (A. Adams, 1852)
Nassarius martae (FOSSIL) F. Van Dingenen, L. Ceulemans& al., 2015 †
Ilyanassa marthae (FOSSIL) A.A. Olsson, 1967 †
Nassarius martinelli (FOSSIL) C. Gili, 1992 †
Nassarius martinezi H.H. Kool & J. Galindo,2014
Bullia martinii J.E. Gray, 1843
Bulliopsis marylandica (FOSSIL) T.A. Conrad, 1862 †
Ilyanassa marylandica (FOSSIL) (Martin, 1904 †)
Bullia mauritiana J.E. Gray, 1839
Nassarius mayeri (FOSSIL) (L.M.D. Bellardi, 1882 †)
Nassarius megalocallus W. Adam & J. Knudsen,1984