Lienardia gaidei brachyspira (R.P.J. Hervier, 1896)
Etremopa gainesii (H.A. Pilsbry, 1895)
Lienardia giliberti (S.M. Souverbie, 1874)
Etrema glabriplicatum (G.B. III Sowerby, 1913)
Thetidos globulosa (R.P.J. Hervier, 1897)
Clathurella glumacea (R.B. Hinds, 1843)
Glyphostoma golfoyaquensis C.J. Maury, 1917
Lienardia goubini (R.P.J. Hervier, 1896)
Paraclathurella gracilenta (L.A. Reeve, 1843)
Comarmondia gracilis (G. Montagu, 1803)
Lienardia gracilis C. Hedley, 1922
Turrella gracilis C.F. Laseron, 1954
Lienardia grainesi (FOSSIL) (H.A. Pilsbry †)
Clathurella grandiclathrata E.A. Smith, 1884
Lienardia grandiradula A.E. Fedosov, 2011
Clathurella granularis (E.A. Smith, 1888)
Glyphostoma granulifera (M.M. Schepman, 1913)
Turrella granulosissima (J.E. Tenison-Woods,1879)
Clathromangelia granum (R.A. Philippi, 1844)
Glyphostoma gratula (W.H. Dall, 1881)
Lienardia gravelyi R. Winckworth, 1940
Lienardia grayi (L.A. Reeve, 1845)
Glyphostoma guppyi W.P. Woodring, 1928
Pleurotomoides gypsina (W.H. Dall, 1895)
Nannodiella hannoverana (FOSSIL) (F. Kautsky, 1925 †)
Etremopsis haroldi (FOSSIL) A.W.B. Powell, 1942 †
Glyphostoma harrisi (FOSSIL) C.J. Maury, 1910 †
Etrema hedleyi (W.R.B. Oliver, 1915)
Glyphostoma hervieri P. Dautzenberg, 1932
Crockerella hesione (W.H. Dall, 1919)
Etrema huberti (G.B. III Sowerby, 1893)
Nannodiella hukuiensis (S. Nomura & H. Niino,1940)
Lienardia idiomorpha (R.P.J. Hervier, 1897)
Glyphostoma immaculata W.H. Dall, 1908
Lienardia immaculata (E.A. Smith, 1876)