Trochoidea carinatoglobosa (F. Haas, 1934) Cyprus10 mm
Actinella carinofausta H.W. Waldén, 1983 Portugal, Madeira
Amandana caroli (W.L.H. Dohrn& D.F. Heynemann, 1862) Baleares8,8 mm
Amandana caroli espartariensis (F. Schröder, 1984) Baleares10,1 mm
Amandana caroli formenterensis F. Schröder, 1984 Spain, Formentera10 mm
Prostenomphalia carpathica A.A. Baidashnikov, 1985 Ukraine
Candidula carrapateirensis G.A. Holyoak& D.T. Holyoak, 2014 Portugal, Faro
Monacha cartusiana (O.F. Müller, 1774) Italy, Udine19 mm
Cernuella caruanae W. Kobelt, 1888 Malta16 mm
Helicotricha carusoi F.L. Giusti, G. Manganelli& J.V. Crisci, 1992 Sicily, Eolie islands
Leucozonella caryodes (C.A. Westerlund, 1896) Kyrgyzstan14 mm
Xerosecta castriesi (P.M. Pallary, 1904) Morocco, cap Cantin12 mm
Candidula castriota L. Soós, 1924 Albania
Kokotschashvilia caucasicola (W.A. Lindholm, 1913) Armenia11,1 mm
Trochoidea cauta (C.A. Westerlund, 1879)
Candidula cavannae M. Paulucci, 1881 Italy, Abruzzo
Helicopsis cereoflava E.A. Bielz, 1851 Poland
Xeromagna cespitum (J.P.R. Draparnaud, 1801) Spain, Jaen21 mm
Xeromagna cespitum arigonis (A. Schmidt, 1853) Spain, Jaen23,2 mm
Xeroleuca chabertiana T. Kira, 1955 Morocco, cap Cantin17 mm
Helicella chadiana (P.M. Pallary, 1898) Morocco, cap Cantin9,4 mm
Nanaja chatkalica A.G. Kuznetsov, 1996 Uzbekistan
Discula cheiranthicola (R.T. Lowe, 1831) Portugal, Madeira
Discula cheiranticola (R.T. Lowe, 1831) Portugal, Madeira7 mm
Xerosecta cherifiana (P.M. Pallary, 1898) Morocco, cap Cantin9 mm
Amandana chiae (P. Fagot, 1886) Andorra
Trichia chnoodia (J.R. Bourguignat, 1864) Algeria
Abchasohela christophori (O.W. Von Rosen, 1911) Caucasus
Leptaxis chrysomela (L. Pfeiffer, 1848) Portugal, Madeira12 mm
Ciliella ciliata (J.D.W. Hartmann, 1821) Italy, Brescia
Hygromia cinctella (J.P.R. Draparnaud, 1801) France, Marne
Cernuella cisalpina (E.A. Rossmässler, 1837) Italy, Padova9,7 mm
Metatheba ciscaucasica B. Hausdorf, 2000 Caucasus
Amandana cisternasi (J.G. Hidalgo, 1883) Spain, Ibiza10 mm
Amandana cisternasi calasaladae (S.G.A. Jaeckel, 1952) Baleares