Xeroleuca brulardi bergueroni (P.M. Pallary, 1918) Morocco, cap Cantin16,6 mm
Xeroleuca brulardi claveli (P.M. Pallary, 1918) Morocco, cap Cantin15 mm
Xeroleuca brulardi depressa (P.M. Pallary, 1913) Morocco, cap Cantin13 mm
Xeroleuca brulardi pyramidata J. Ahuir Galindo, 2017 Morocco, Taourirt16 mm
Xerosecta brunoti (P.M. Pallary, 1919) Morocco, cap Cantin11 mm
Paedhoplita buamica L. Tsvetkov, 1943 Russia
Discula bulverii (W. Wood, 1828) Portugal, Madeira
Discula bulweri (W. Wood, 1828) Portugal, Madeira13 mm
Cryptosaccus cabrerensis G.A. Holyoak& D.T. Holyoak, 2014 AT, SI
Trichia caelata (S.E. Studer, 1820) Switzerland
Angiomphalia caelestimontana (Y. Tzvetkov, 1940) Russia, Kirgiz
Discula calcigena (R.T. Lowe, 1831) Portugal, Madeira
Discula calcigena discina R.T. Lowe, 1852 Portugal, Madeira10,6 mm
Discula calcigena gomesiana C.de Paiva, 1866 Portugal, Madeira11 mm
Caseolus calculus (R.T. Lowe, 1854) Portugal, Madeira4,8 mm
Leptaxis caldeirarum P.M.A. Morelet& H. Drouët, 1857 Azores
Caucasocressa callosa B. Hausdorf & G. Falkner,2001 Turkey, Erzurum
Caseolus calvus (R.T. Lowe, 1831) Portugal, Madeira9,8 mm
Caseolus calvus galeatus (R.T. Lowe, 1862) Portugal, Madeira9 mm
Candidula camporoblensis S .de Fez, 1944 Spain4,1 mm
Xeropicta candaharica (L. Pfeiffer, 1846) Tashkent, Uzbekistan
Candidula candidescens A.J. Wagner, 1928 Turkey
Xeromunda candiota (L. Pfeiffer, 1849) Cyprus10,2 mm
Pyrenaearia cantabrica (J.G. Hidalgo, 1863) Spain10 mm
Pyrenaearia cantabrica covadongae A. Ortiz De Zárate, 1956 Spain10 mm
Eutheba cantiana (G. Montagu, 1803) Parco Nazionale d'Abruzzo16 mm
Helicella caperata (G. Montagu, 1803) North Carolina, Emerald Isle8 mm
Pyrenaearia carascalensis (A. Michaud, 1831) France, Pyrenees
Pyrenaearia carascalensis esserana (J.R. Bourguignat, 1887) Spain
Pyrenaearia carascalensis transfuga (P. Fagot, 1885) France, Bedous17,5 mm
Monacha carascaloides J.R. Bourguignat, 1855 Bulgaria15,8 mm
Amandana cardonae (J.G. Hidalgo, 1867) Spain9,2 mm
Leucozonella caria A.A. Schileyko, 1978 Tajikistan
Monacha carinata B. Hausdorf, 2000 Turkey
Hygromia carinatissima (FOSSIL) (Sacco, 1886) †