Helix carpalima J.F. Mabille, 1889
Theba cartaxiensis (F. Roman, 1907)
Iberus carthaginiensis (E.A. Rossmässler, 1854)
Iberus carthelaginiensis (E.A. Rossmässler, 1854)
Helix carthusiana O.F. Müller, 1774
Helix cavata (A. Mousson, 1854)
Dupotetia cavelliana P.M. Pallary, 1926
Erctella cephalaeditana (R. Giannuzzi-Savelli, I. Sparacio& N. Oliva, 1986)
Tyrrhenaria ceratina (R.J. Shuttleworth, 1843)
Levantina ceratomma (L. Pfeiffer, 1856)
Mesodontopsis chaixii (FOSSIL) (A. Michaud, 1855 †)
Arianta chamaeleon L. Pfeiffer, 1842
Arianta chamaeleon carnica (P. Ehrmann, 1910)
Arianta chamaeleon tullina (P. Ehrmann, 1910)
Helix cheikliensis A. Zilch, 1952
Helix cherrieri P. Dautzenberg & H. Fischer,1908
Josephinella choristochila (O. Böttger, 1886)
Theba chudeaui (J. Germain, 1908)
Theba chudeaui valverdei J. Ahuir Galindo, 2017
Helix ciliciana W. Kobelt, 1904
Levantina cilicica W. Kobelt, 1895
Helix cincta O.F. Müller, 1774
Helix cincta anatolica W. Kobelt, 1891
Cingulifera cingulatum (S.E. Studer, 1820)
Cingulifera cingulatum anauniense (F.E. De Betta, 1852)
Cingulifera cingulatum anconae (C. Gentiluomo, 1868)
Cingulifera cingulatum apuanum (A. Issel, 1866)
Cingulifera cingulatum asperulum (P. Ehrmann, 1910)
Cingulifera cingulatum baldense (E.A. Rossmässler, 1839)
Cingulifera cingulatum bizona (E.A. Rossmässler, 1842)
Cingulifera cingulatum carrarensis (P. von Ströbel, 1852)
Cingulifera cingulatum colubrina (G.J. De Cristofori& G. Jan, 1832)
Cingulifera cingulatum frigidissimum (M. Paulucci, 1881)
Cingulifera cingulatum frigidosum C. Pollonera, 1890
Cingulifera cingulatum frigidum (G.J. De Cristofori& G. Jan, 1832)