Monacha hemitricha P. Hesse, 1914
Archaica heptapotamica (W.A. Lindholm, 1927)
Xerocrassa heraklea B. Hausdorf & J. Sauer,2009
Trochoidea hesperidum (P.M.A. Morelet, 1880)
Metafruticicola hikmeti V. Hüdec, 1971
Xerosecta hillyeriana (M. Paulucci, 1882)
Trochoidea hipponensis (P.M.A. Morelet, 1857)
Suboestophora hispanica (G.P.L.K. Gude, 1910)
Trichia hispida (C. Linnaeus, 1758)
Candidula hola (J.R. Bourguignat, 1887)
Kokotschashvilia holotricha (O. Böttger, 1884)
Helicella homadensis (J. Rutlant Basset, 1874)
Monachoides homalospira (FOSSIL) (A.E. Reuss, 1861 †)
Amandana homeyeri (W.L.H. Dohrn& D.F. Heynemann, 1862)
Xeropicta homoleuca (Š. Brusina, 1870)
Moreletina horripila (P.M.A. Morelet& H. Drouët, 1857)
Helicella huidobroi M.F. Azpeitia, 1925
Cernuella hydruntina (W. Kobelt, 1883)
Narina hypophaea (W.A. Lindholm, 1927)
Xerosecta iae (P.M. Pallary, 1896)
Caucasocressa ibera B. Hausdorf, 2003
Helicella iberica (J.P. Rambur, 1869)
Xerosecta icmalea P.M. Pallary
Monacha ignorata (O. Böttger, 1905)
Xeropicta ilanae L. Forcart, 1981
Nanaja illuminata A.A. Schileyko, 1978
Helicopsis imperialis J. Ahuir Galindo, 1992
Perforatella incarnata (O.F. Müller, 1774)
Portugala inchoata (P.M.A. Morelet, 1845)
Caseolus innominatus (J.E. Gray, 1825)
Caseolus innominatus compactus (R.T. Lowe, 1831)
Helicopsis instabilis (B. Zieglerin E.A. Rossmässler, 1835)
Leucozonella intermedia K.K. Uvalieva, 1995
Helicella interpres (C.A. Westerlund, 1879)
Candidula intersecta (J.L.M. Poiret, 1801)