Falsilunatia futa (FOSSIL) C. Nielsen, 2003 †
Euspira fyfei (FOSSIL) (J. Marwick, 1924 †)
Sinum gabbi (FOSSIL) J. Brown & H.A. Pilsbry,1913 †
Sinum gabrielensis (FOSSIL) Clark & J.W. Durham,1946 †
Microlinices gaiophanis L.R.L. Simone, 2014
Polinices galapagosus (C.A. Récluz, 1844)
Natica gallomeridionalis (FOSSIL) A.E.M. Cossmann, 1923 †
Sinum gatunense (FOSSIL) F. Toula, 1909 †
Amauropsis georgiana (H. Strebel, 1908)
Polinices gesteri (FOSSIL) R.E. Dickerson, 1916 †
Euspira gianoi (FOSSIL) E. Robba, Pedriali& E. Quaggiotto, 2016 †
Euspira giuntellii (FOSSIL) E. Robba, Pedriali& E. Quaggiotto, 2016 †
Euspira glaucinoides (FOSSIL) (Sowerby, 1812 †)
Neverita globosa (FOSSIL) W.M. Gabb, 1869 †
Magnatica globosa (FOSSIL) Abbass, 1967 †
Gyrodes globosus (FOSSIL) Delpey, 1941 †
Amauropsis godfroyi (FOSSIL) (É. Lamy, 1910 †)
Euspira gottschei (FOSSIL) (F. Kautsky, 1925 †)
Natica gracilis (FOSSIL) C.A. Récluz, 1850 †
Polinella gradisuturalis (FOSSIL) (J. Marwick, 1932 †)
Natica grayi R.A. Philippi, 1852
Sinum grayi G.P. Deshayes, 1843
Gyrodes greeni (FOSSIL) C.E. Murphy & P.U. Rodda,1960 †
Euspira grossularia (I. Marche-Marchad, 1957)
Polinices grunerianus (R.A. Philippi, 1852)
Payraudeautia gruveli (P. Dautzenberg, 1910)
Payraudeautia gruveli paucipunctata P. Dautzenberg, 1910
Notocochlis gualteriana (C.A. Récluz, 1844)
Euspira guamblinensis (FOSSIL) D. Frassinetti& Covacevich, 1995 †
Notocochlis guesti (M.G. Harasewych& K.R. Jensen, 1984)
Euspira guilleminii (B.C.M. Payraudeau, 1826)
Stigmaulax guppiana (FOSSIL) F. Toula, 1909 †
Stigmaulax guppiana toulana (FOSSIL) J. Gardner, 1937 †
Amauropsis guppyi (FOSSIL) W.M. Gabb, 1873 †
Tahunacca haasti (FOSSIL) (J. Marwick, 1924 †)