Helicopsis gittenbergeri B. Hausdorf, 1990 Greece, Peloponnesus
Xerosecta giustii G. Manganelli& L. Favilli, 1996 Italy, Tuscany
Urticicola glabellus (J.P.R. Draparnaud, 1801) France, Haute Provence10,75 mm
Urticicola glabellus telonensis (H. Mittre, 1842) France, Toulon
Monacha glareosa B. Hausdorf, 2000 Turkey
Leucozonella globuliformis (W.A. Lindholm, 1931) Kyrgyzstan
Xerosecta globuloidea (A. Terver, 1839) Morocco, cap Cantin15 mm
Hiltrudia globulosa P. Subai, 2009 Montenegro
Hygromia golasi C.E. Prieto & A. Puente,1992 Andorra
Xerotricha gonzalezi (M.F. Azpeitia, 1925) Spain, Adra
Xeroleuca gouliminensis (P.M. Pallary, 1936) Morocco, cap Cantin14 mm
Xeroleuca gouliminensis depressa (P.M. Pallary, 1936) Morocco, cap Cantin14 mm
Geomitra grabhami T.V. Wollaston, 1878 Portugal, Madeira6,5 mm
Xerocrassa grabusana B. Hausdorf & J. Sauer,2009 Greece, Crete
Trichia graminicola G. Falkner, 1973 Germany
Ponentina grandiducta D.T. Holyoak& G.A. Holyoak, 2012 Portugal, Barcoila
Discula granostriata (A. Mousson, 1857) Canary Islands, Fuerteventura9,8 mm
Monacha granulata (J. Alder, 1830) UK, England
Ashfordia granulata (W. Turton & J.E. Gray,1840) France, Finisterre
Amandana grata (F. Haas, 1924) Spain
Monacha gregaria (E.A. Rossmässler, 1839) Sicily, Favignana island
Candidula grovesiana (M. Paulucci, 1881) Italy, Rieti8,5 mm
Cryptaxis groviana (A.E.J. Férussac, 1823) Portugal, Madeira21 mm
Xerosecta guercifiana (P.M. Pallary, 1918) Morocco, cap Cantin9 mm
Xerosecta guercifiana arbalensis P.M. Pallary, 1927 Morocco, cap Cantin
Xerosecta guercifiana outaliana (P.M. Pallary, 1920) Morocco, cap Cantin9 mm
Xeropicta guimeti (J.R. Bourguignat, 1876)
Kalitinaia gvozdevi (Soboleva, T.S. Rymzhanov& Plachov, 1995)
Xeropicta gyroides (L. Pfeiffer, 1871) Albania13 mm
Monacha haifaensis P.M. Pallary, 1939 Israel, Jerusalem13 mm
Cernuella hamilcaris (W. Kobelt, 1877) Italy, Sicily Island
Leptostictea hartungi (J.A. Albers, 1852) Portugal, Madeira7 mm
Leptostictea hartungi fictilis (R.T. Lowe, 1851) Portugal, Madeira8,7 mm
Monacha haussknechti (O. Böttger, 1886) Greece, Evia Island10 mm
Leucochroopsis helicidarum (FOSSIL) (Jooss, 1918) †