Curtitoma georgossiani Merkuljev, 2017
Bela gervillei (FOSSIL) (G.P. Deshayes †)
Oenopota gervillii (FOSSIL) G.P. Deshayes, 1862 †
Eucithara gevahi B.S. Singer, 2012
Brachycythara gibba (FOSSIL) (R.J.L. Guppy, 1896 †)
Eucithara gibbosa (L.A. Reeve, 1846)
Obesotoma gigantea (O.A.L. Mörch, 1869)
Obesotoma gigas (T.A. Verkrüzen, 1875)
Oenopota gilpini (T.A. Verkrüzen, 1878)
Bela ginnania (A. Risso, 1826)
Mangelia gisna P. Bartsch, 1915
Oenopota glacialis (K.H.J. Thiele, 1912)
Eucithara glareosa (A.A. Gould, 1860)
Propebela golikovi (I.P. Bogdanov, 1985)
Propebela goryachevi I.P. Bogdanov, 1989
Mangelia gouetensis (FOSSIL) A.E.M. Cossmann, 1898 †
Fusiguraleus gracilentus (FOSSIL) (H.H. Suter, 1917 †)
Fusiguraleus gracilicostatus (FOSSIL) (A.G. Beu, 1979 †)
Eucithara gracilis (L.A. Reeve, 1846)
Benthomangelia gracilispira (A.W.B. Powell, 1969)
Eucithara gradata (G. Nevill & H. Nevill,1875)
Pseudorhaphitoma granilirata (E.A. Smith, 1888)
Mangelia granitica W.H. Dall, 1919
Heterocithara granolirata (A.W.B. Powell, 1944)
Kurtzia granulatissima (O.A.L. Mörch, 1860)
Fusiguraleus granulatus (FOSSIL) (A.W.B. Powell, 1942 †)
Oenopota graphica (É.A.A. Locard, 1897)
Eucithara grata (E.A. Smith, 1884)
Oenopota greenlandica (L.A. Reeve, 1846)
Benthomangelia grippi (FOSSIL) Anderson, 1964 †
Mangelia grisea (F. Nordsieck, 1977)
Eucithara gruveli (P. Dautzenberg, 1932)
Agathotoma guadalupensis Espinosa & Ortea, 2017
Pyrgocythara guarani (A.V.M.D. D'Orbigny,1841)
Eucithara guentheri (G.B. III Sowerby, 1893)