Cingulifera cingulatum gobanzi G.R. von Frauenfeld, 1867 Austria23 mm
Cingulifera cingulatum hermesianum (N. Pini, 1874) Italy North
Cingulifera cingulatum infernale P. Hesse, 1931 Italy South
Cingulifera cingulatum insubricum (G.J. De Cristofori& G. Jan, 1832) Italy North
Cingulifera cingulatum liguricum (W. Kobelt, 1876) France, Alpes Maritimes
Cingulifera cingulatum medoacense (G.B. Adami, 1886) Italy North
Cingulifera cingulatum nicatis (O.G. Costa, 1836) Italy South
Cingulifera cingulatum nicolisianum (G.B. Adami, 1886) Italy
Cingulifera cingulatum philippii (W. Kobelt, 1905) Italy South
Cingulifera cingulatum preslii (E.A. Rossmässler, 1836) Italy, Varese
Cingulifera cingulatum sentinense (C. Piersanti, 1933) Italy South
Cingulifera cingulatum tigrinum (G.J. De Cristofori& G. Jan, 1832) Italy North22 mm
Chilostoma cingulella E.A. Rossmässler, 1837 Slovakia16 mm
Codringtonia codringtoni (J.E. Gray, 1834) Greece40 mm
Vidovicia coerulans (C. Pfeiffer, 1828) Croatia20 mm
Helix cognata A.E.J. Férussac, 1821
Helicigona comephora (J.R. Bourguignat, 1857) Greece, S Pelopónisos
Helix commixtus R.T. Lowe, 1854 Portugal, Madeira
Iberellus companyonii (E.A. Rossmässler, 1839) Baleares14 mm
Iberellus companyonii minoricensis (H. Mittre, 1842) Baleares16,5 mm
Helix compar R.T. Lowe, 1831 Portugal, Madeira
Josephinella comythophora (J.R. Bourguignat, 1857) Aegine, Attiki, Greece
Helix concisa A.E.J. Férussac, 1823 Indonesia, Timor
Megalotachea concudensis (FOSSIL) (Jodot, 1958) †
Josephinella conemenosi (O. Böttger, 1885) Greece
Helix confusa L. Benoit, 1857 Italy, Palermo
Otala connoleyi (P.M. Pallary, 1926) Morocco, cap Cantin43 mm
Hemicycla consobrina (A.E.J. Férussac, 1821) Canary Islands19 mm
Hemicycla consobrina modesta (A.E.J. Férussac, 1821) Canary Islands, Tenerife19,3 mm
Hemicycla consobrina retrodens (A. Mousson, 1872) Canary Islands19 mm
Helix consors R.T. Lowe, 1831 Portugal, Madeira
Otala constantinae (E. Forbes, 1837)
Palaeotachea convexitesta (FOSSIL) (Jooss, 1912) †
Pseudotachea coquandi (P.M.A. Morelet, 1880) Morocco, cap Cantin25,71 mm
Pseudotachea coquandi albina (P.M. Pallary, 1904) Morocco, cap Cantin22 mm