Euspira levis (E.A. Smith, 1896)
Natica levistriata (FOSSIL) A.J. Jukes-Browne, 1877 †
Neverita lewisii (A.A. Gould, 1847)
Globisinum limata (FOSSIL) (R. Tate, 1893 †)
Natica limbata d'Orbigny, 1837
Polinices limi H.A. Pilsbry, 1931
Natica limpida E.A. Smith, 1884
Neverita limula (FOSSIL) T.A. Conrad, 1833 †
Tanea lineata (P.F. Röding, 1798)
Naticarius lineozonus (F.P. Jousseaume, 1874)
Eunaticina linneana (C.A. Récluz, 1843)
Euspira litorina (W.H. Dall, 1908)
Natica littonana (FOSSIL) J.W. Hall, 1856 †
Natica livida L. Pfeiffer, 1840
Polinices lobatus (FOSSIL) J. Marwick, 1924 †
Euspira lorioli (FOSSIL) G.P. Deshayes, 1864 †
Natica luculenta (C.A. Récluz, 1843)
Natica luculenta (FOSSIL) T. Iredale, 1929 †
Natica lunaia (FOSSIL) S.S. Berry, 1964 †
Natica lunaris (S.S. Berry, 1964)
Euspira macilenta (R.A. Philippi, 1844)
Polinices mackayi (FOSSIL) J. Marwick, 1931 †
Amauropsis macra (FOSSIL) Böhm, 1895 †
Natica macrochiensis J.F. Gmelin, 1791
Sinum maculatum T. Say, 1831
Uberella maesta (FOSSIL) (J. Marwick, 1924 †)
Neverita maga (FOSSIL) (A. De Gregorio, 1880 †)
Tanea magnifluctuata (J.T. Kuroda, 1961)
Amauropsona major (FOSSIL) (P. Marshall, 1917 †)
Gyrodes major (FOSSIL) B. Wade, 1926 †
Natica malabarica C.A. Récluz, 1850
Mammilla mammata (P.F. Röding, 1798)
Polinices mammilla (C. Linnaeus, 1758)
Polinices mammilla ponderosa R.A. Philippi, 1849
Polinices mammilla pyriformis C.A. Récluz, 1844