Xerosecta isabelae J. Ahuir Galindo, 2014
Urticicola isarica (É.A.A. Locard, 1882)
Helicella itala (C. Linnaeus, 1758)
Xerotricha jamuzensis (E. Gittenberger& M.Y. Manga, 1977)
Xerosecta jaylei (A. Paladilhe, 1875)
Suboestophora jeresae (A. Ortiz De Zárate,1962)
Mengoana jeschaui (W. Kobelt, 1878)
Amandana jimenensis (A. Puente & J. Arrébola,1996)
Caucasocressa joannis (L.L.G. de Mortillet,1854)
Cernuella jonica (A. Mousson, 1854)
Tyrrheniellina josephi (F.L. Giusti& G. Manganelli, 1989)
Helicella juglans E. Gittenberger, 1991
Serratorotula juliformis (R.T. Lowe, 1852)
Xerosecta kabylianai (E.O. Debeaux)
Noneulota khakassica A.A. Schileyko & M. Horsak,2007
Paedhoplita kirgisensis I.M. Likharev& E.S. Rammelmeyer, 1952
Metafruticicola kizildagensis B.A. Gümüs & E. Neubert,2012
Leucochroopsis kleinii (FOSSIL) (Klein, 1846) †
Monachoides kosovoensis A.J. de Winter& W.J.M. Maassen, 1992
Kovacsia kovacsi (A. Varga & I. Pintér,1972)
Xeropicta krynickii (Andrzeiewskyin I. Krynicki, 1833)
Hygromia kudiensis T.D.A. Cockerell, 1924
Hiltrudia kusmici (S. Clessin, 1887)
Paratheba kuznetsovi B. Hausdorf, 2000
Xerocrassa kydonia B. Hausdorf & J. Sauer,2009
Archaica labianix A.A. Schileyko, 1978
Archaica labianix minor A.A. Schileyko, 1978
Actinella laciniosa R.T. Lowe, 1852
Paedhoplita laminata W.A. Lindholm, 1927
Cernuella lampedusae (W. Kobelt, 1890)
Xerotricha lancerottensis (P.B. Webb & S. Berthelot,1833)
Xerocrassa langloisiana (J.R. Bourguignat, 1853)
Xerocrassa langloisiana hierocontina (C.A. Westerlund, 1889)
Ganula lanuginosa (S.A. de Boissy, 1835)
Circassina lasistana B. Hausdorf, 2001