Helix hessei M. von Kimakowicz, 1883
Alabastrina hieroglyphica (A. Michaud, 1833)
Josephinella hirta (K.T. Menke, 1830)
Iberellus hispanicus (E.A. Rossmässler, 1838)
Liburnica hoffmanni (E.A. Rossmässler, 1836)
Causa holosericum (S.E. Studer, 1820)
Rossmaessleria homadensis (J. Rutllant, 1974)
Rossmaessleria homadensis intermedia J. Ahuir Galindo, 1990
Helix homerica E.C. Von Martens, 1889
Cepaea hortensis (O.F. Müller, 1774)
Cepaea hortensis baudonia A. Moquin-Tandon
Cepaea hortensis fuscolabiata C. Kreglinger, 1870
Cepaea hortensis lilacina J.W. Taylor
Cepaea hortensis lutea (Y.L. Picard, 1834)
Palaeotachea hortulana (FOSSIL) (Thomä, 1845) †
Thiessea hymetti (A. Mousson, 1854)
Atlasica illirensis (P.M. Pallary, 1936)
Faustina illyrica (G. Stabile, 1864)
Faustina illyrica tiesenhauseni (P.V. Gredler, 1889)
Theba impugnata A. Mousson, 1857
Hemicycla incisogranulata (A. Mousson, 1872)
Eremina inexpectata F. Llabador, 1960
Faustina inflata (W. Kobelt, 1876)
Agalactochilus inflexus (FOSSIL) (Zieten, 1832) †
Dinarica insignis (FOSSIL) (von Zieten, 1832) †
Liburnica insolita (E.A. Rossmässler, 1838)
Liburnica insolita praetexta (L. Pfeiffer, 1848)
Caucasotachea intercedens (O. von Retowski, 1889)
Atlasica interica (P.M. Pallary, 1923)
Kosicia intermedia (C. Pfeiffer, 1828)
Codringtonia intusplicata (L. Pfeiffer, 1881)
Codringtonia intusplicata arcadica (W. Kobelt, 1902)
Hemicycla inutilis (A. Mousson, 1872)
Hemicycla invernicata (A. Mousson, 1872)
Eremina irregularis (A.E.J. Férussac, 1821)