Helicopsis gittenbergeri B. Hausdorf, 1990
Xerosecta giustii G. Manganelli & L. Favilli,1996
Urticicola glabellus (J.P.R. Draparnaud, 1801)
Urticicola glabellus telonensis (H. Mittre, 1842)
Monacha glareosa B. Hausdorf, 2000
Leucozonella globuliformis (W.A. Lindholm, 1931)
Xerosecta globuloidea (A. Terver, 1839)
Hiltrudia globulosa P. Subai, 2009
Hygromia golasi C.E. Prieto & A. Puente,1992
Xerotricha gonzalezi (M.F. Azpeitia, 1925)
Xeroleuca gouliminensis (P.M. Pallary, 1936)
Xeroleuca gouliminensis depressa (P.M. Pallary, 1936)
Geomitra grabhami T.V. Wollaston, 1878
Xerocrassa grabusana B. Hausdorf & J. Sauer,2009
Trichia graminicola G. Falkner, 1973
Ponentina grandiducta D.T. Holyoak & G.A. Holyoak,2012
Discula granostriata (A. Mousson, 1857)
Monacha granulata (J. Alder, 1830)
Ashfordia granulata (W. Turton & J.E. Gray,1840)
Amandana grata (F. Haas, 1924)
Monacha gregaria (E.A. Rossmässler, 1839)
Candidula grovesiana (M. Paulucci, 1881)
Cryptaxis groviana (A.E.J. Férussac, 1823)
Xerosecta guercifiana (P.M. Pallary, 1918)
Xerosecta guercifiana arbalensis P.M. Pallary, 1927
Xerosecta guercifiana outaliana (P.M. Pallary, 1920)
Xeropicta guimeti (J.R. Bourguignat, 1876)
Kalitinaia gvozdevi (Soboleva, T.S. Rymzhanov& Plachov, 1995)
Xeropicta gyroides (L. Pfeiffer, 1871)
Monacha haifaensis P.M. Pallary, 1939
Cernuella hamilcaris (W. Kobelt, 1877)
Leptostictea hartungi (J.A. Albers, 1852)
Leptostictea hartungi fictilis (R.T. Lowe, 1851)
Monacha haussknechti (O. Böttger, 1886)
Leucochroopsis helicidarum (FOSSIL) (Jooss, 1918) †