Zoila mulderi (FOSSIL) R. Tate, 1892 †
Siphocypraea mulepenensis (FOSSIL) E.J. Petuch, 1991 †
Gisortia murchisoni (FOSSIL) (d'Archaic & Haime,1854 †)
Cypraea murisimilis (FOSSIL) K. Martin, 1879 †
Notoluponia murraviana (FOSSIL) (R. Tate, 1890 † †)
Muracypraea mus (C. Linnaeus, 1758)
Muracypraea mus bicornis (G.B. III Sowerby, 1870)
Muracypraea mus donmoorei E.J. Petuch, 1979
Muracypraea mus tristensis E.J. Petuch, 1987
Muracypraea mus tuberculata (J.E. Gray, 1828)
Palmulacypraea musumea (J.T. Kuroda & T. Habe,1961)
Palmulacypraea musumea lacrimula (F.Jr. Lorenz, 2002)
Palmulacypraea musumea pseudokatsuae unknown
Myakkacypraea myakka (FOSSIL) E.J. Petuch, 2004 †
Bistolida nanostraca F.Jr. Lorenz & M. Chiapponi,2012
Cypraea nasuta (FOSSIL) Sowerby, 1839 †
Erosaria nebrites (J.C. Melvill, 1888)
Erosaria nebrites oblonga J.C. Melvill, 1888
Erosaria nebrites subalba J.C. Melvill, 1888
Propustularia neugeboreni (FOSSIL) (R. Hoernes & Aulinger,1879 †)
Cypraea neuvillei (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1922 †
Pseudozonaria nigropunctata (Gray, 1828)
Lyncina nivosa (W.J. Broderip, 1827)
Cypraea noueli (FOSSIL) C.J. Maury, 1917 †
Cypraeorbis noveli (FOSSIL) C.J. Maury, 1917 †
Cypraea nuciformis (FOSSIL) L.W. Stephenson, 1941 †
Nucleolaria nucleus (C. Linnaeus, 1758)
Nucleolaria nucleus gemmosa (G. Perry, 1811)
Nucleolaria nucleus madagascariensis (J.F. Gmelin, 1791)
Nucleolaria nucleus sturanyi (F.A. Schilder& M. Schilder, 1938)
Cypraeorbis nuculoides (FOSSIL) T.H. Aldrich, 1903 †
Erronea nymphae (J.C. Jay, 1850)
Monetaria obvelata (J.B.P.A. Lamarck, 1810)
Monetaria obvelata nubilis G.R. Sulliotti, 1924
Erosaria ocellata (C. Linnaeus, 1758)