Chauvetia multilirata P.G. Oliver & E. Rolán,2008
Ptychosalpinx multirugatum (FOSSIL) (T.A. Conrad, 1841 †)
Neptunea multistriata (C.W.S. Aurivillius,1885)
Euryochetus multistriatus (FOSSIL) (G.P. Deshayes, 1835 †)
Meteuthria multituberculata (Z.J.A. De Castellanos, E. Rolán& S. Bartolotta, 1987)
Engina mundula J.C. Melvill & R. Standen,1885
Prosipho mundus E.A. Smith, 1915
Pollia munieri (FOSSIL) Vasseur, 1881 †
Lirabuccinum musculus P. Callomon & Lawless,2013
Engina muznoides K. Fraussen & Van Laethem,2013
Buccinum mysticum T. Shikama, 1963
Buccinum nakamurai J. Makiyama, 1935
Cominella nana (FOSSIL) (Finlay, 1926 †)
Ancistrolepis nanas J.T. Kuroda, 1971
Calliloncha nankaiensis T.A. Okutani & N. Iwasaki,2003
Nassicola nassa (FOSSIL) (Finlay, 1926 †)
Cominella nassoides (L.A. Reeve, 1846)
Cominella nassoides haroldi A.W.B. Powell, 1946
Cominella nassoides iredalei (H.J. Finlay, 1928)
Cominella nassoides nodicincta E.C. Von Martens, 1878
Cominella nassoides otakauica A.W.B. Powell, 1946
Pseudoliomesus nassula (W.H. Dall, 1901)
Engina natalensis J.C. Melvill, 1895
Cominella necopinata (H.J. Finlay, 1930)
Metula neptuneiformis (FOSSIL) McNeil, 1984 †
Prosipho nestaris (C.A. Fleming, 1948)
Crassicantharus nexus K. Fraussen& P. Stahlschmidt, 2015
Austrofusus ngatuturaensis (FOSSIL) J.A. Bartrum & Powell,1928 †
Clea nigricans (A. Adams, 1855)
Monostiolum nigricostatum (L.A. Reeve, 1846)
Siphonalia nigrobrunnea Y.C. Lee & C. Chen, 2010
Buccinum niponense W.H. Dall, 1907
Siphonalia nipponica (FOSSIL) K. Oyama & A. Mizuno,1958 †
Buccinum nivale H.B.S. Friele, 1882
Neptunea nivea T.A. Okutani, 1981