Gyrodes robustus (FOSSIL) Waring, 1917 †
Natica rocquignyi E. Fischer-Piette, 1942
Euspira roei (FOSSIL) Cox, 1930 †
Amauropsis rossiana E.A. Smith, 1907
Cochlis rossii (FOSSIL) (P. Oppenheim, , 1901 †)
Natica rostalina (FOSSIL) B.W. Jenkins, 1864 †
Natica rouxi (M. Nicklés, 1952)
Natica royi M. Pin, 1992
Natica rubromaculata E.A. Smith, 1872
Polinices rufomarginata J.T. Kuroda
Natica rugosissima E. Forbes, 1846
Tectonatica rukuzenensis R. Tiba, 1985
Tectonatica rupeliana (FOSSIL) E. Robba, Pedriali& E. Quaggiotto, 2016 †
Cryptonatica russa (A.A. Gould, 1859)
Natica ryalli F. Fernandes & E. Rolán,1992
Natica sacyi (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1921 †
Euspira sagamiensis J.T. Kuroda & T. Habe,1971
Polinices sagamiensis H.A. Pilsbry, 1904
Euspira saginata (FOSSIL) Böhm, 1895 †
Tanea sagittata (K.T. Menke, 1843)
Tectonatica sagraiana (A.V.M.D. D'Orbigny,1842)
Natica saitoi J.T. Kuroda & T. Habe,1971
Cochlis sallomacensis (FOSSIL) (R. Tournouer, 1873 †)
Neverita samanensis (FOSSIL) A.A. Olsson, 1928 †
Amauropsis sanctaecrucis (FOSSIL) Laube, 1868 †
Natica sanctaehelenae E.A. Smith, 1890
Sinum sanctijohannis H.A. Pilsbry & H.N. Lowe,1932
Natica sandwichensis (W.H. Dall, 1895)
Polinices santacrucensis (FOSSIL) H.F.A. von Ihering,1907 †
Polinices saulae (FOSSIL) Perrilliat, 2013 †
Euspira sayana G.B. Campbell, 1993
Natica scalata (FOSSIL) Leymerie, 1878 †
Pliconacca scalpta (FOSSIL) (J. Marwick, 1924 †)
Natica scethra W.H. Dall, 1908
Natica schepmani K.H.J. Thiele, 1925