Neverita josephinia (A. Risso, 1826)
Falsilunatia joubini (É. Lamy, 1911)
Natica juani P.M.S. Costa & G. Pastorino,2012
Polinices judsoni (FOSSIL) (C.J. Maury, 1910 †)
Polinices jukesii (L.A. Reeve, 1855)
Natica jukyriuva L.R.L. Simone, 2014
Polinices jungi (FOSSIL) B.M. Landau, F. Da Silva& S.M. Heitz, 2016 †
Proxiuber kaawaense (FOSSIL) (J. Marwick, 1924 †)
Neverita kaitbeyensis (FOSSIL) Abbass, 1967 †
Natica kawamurai K. Sakurai, 1983
Sinum keratium W.H. Dall, 1919
Uberella keyesi (FOSSIL) J. Marwick, 1965 †
Natica koperbergae A.N. van der Bijl& R.G. Moolenbeek, 2009
Eunaticina kraussi (E.A. Smith, 1902)
Polinices kummeli (FOSSIL) N.F. Sohl, 1960 †
Mammilla kurodai (Is. Taki, 1944)
Stigmaulax kushime (T. Shikama, 1971)
Euspira labellata (FOSSIL) (J.B.P.A. Lamarck,1804 †)
Sinum lacondamini (FOSSIL) A.A. Olsson, 1964 †
Natica lacteobasis J.T. Kuroda, 1961
Polinices lacteus L. Guilding, 1834
Sinum laevigatum (J.B.P.A. Lamarck, 1822)
Eunaticina lamarckiana (C.A. Récluz, 1843)
Stigmaulax landesiana (FOSSIL) A.A. Olsson, 1964 †
Natica larvaroni P.A. Bernard, 1983
Euspira lateaperta (FOSSIL) (J. Marwick, 1924 †)
Euspira latecallosa (FOSSIL) E. Robba, Pedriali& E. Quaggiotto, 2016 †
Microlinices latiusculus L.R.L. Simone, 2014
Notocochlis laurae P.M.S. Costa & G. Pastorino,2012
Polinices lavelana (FOSSIL) F. Hodson, 1927 †
Polinices laxus (FOSSIL) (Finlay, 1926 †)
Natica leberonensis (FOSSIL) Fischer & R. Tournouer,1873 †
Polinices leptaleus (R.B. Watson, 1881)
Sinum levesquei (FOSSIL) Author unknown †
Euspira levicula (A.E. Verrill, 1880)