Naesiotus canaliferus P.H. Reibisch, 1892 Galapagos
Drymaeus canarius L. Pfeiffer, 1867 Peru
Drymaeus cantatus (L.A. Reeve, 1848) Colombia, Bogotà
Drymaeus caraibaeorum (J.B.P.A. Lamarck, 1822) Antilles
Bostryx carandaitiensis (H.B. Preston, 1907) Bolivia32,1 mm
Bostryx carinatus A.S.H. Breure, 1978 Peru
Bulimus carinatus (J.G. Bruguière, 1789)
Naesiotus carlucioi (H.E.B. Rezende& P.D. Lanzieri, 1963) Brazil, Goias25,2 mm
Cortana carvalhoi (FOSSIL) R.B. Salvador& L.R.L. Simone, 2013 † Brazil, Rio de Janeiro
Drymaeus castaneostrigatus S.I. Da Costa, 1906 Peru20,4 mm
Bulimulus castelnaui (L. Pfeiffer, 1857)
Drymaeus castrensis (L. Pfeiffer, 1847) South America
Mesembrinus castus (L. Pfeiffer, 1847) Guatemala19 mm
Bostryx catamarcanus J.J. Parodíz, 1956 Argentina
Neopetraeus catamarcanus (L. Pfeiffer, 1858) Peru
Neopetraeus catamarcanus orientalis A.S.H. Breure, 1978 Peru48,4 mm
Drymaeus catamayensis K. Miller, 1879 Ecuador
Drymaeus catenae F. Haas, 1952 Peru
Naesiotus catlowiae L. Pfeiffer, 1853 Ecuador21,5 mm
Drymaeus caucaensis S.I. Da Costa, 1898 Colombia34,8 mm
Naesiotus cavagnaroi A.G. Smith, 1972 Galapagos25,4 mm
Drymaeus celendinensis W.K. Weyrauch, 1956 Peru, Cajamarca
Naesiotus centralis A. Doering, 1879 Argentina
Rabdotus ceralboensis G.D. Hanna, 1923 Mexico, Baja California Sur, La Paz
Bostryx ceratacme L. Pfeiffer, 1855 Ecuador, Quito18 mm
Bostryx ceroplasta H.A. Pilsbry, 1896 Peru
Naesiotus cerrateae (W.K. Weyrauch, 1967) Peru, Ancash
Drymaeus cerussatus (L.A. Reeve, 1849) South America
Bostryx chacoensis H.B. Preston, 1907 Bolivia30,1 mm
Bostryx chagualensis H.A. Pilsbry, 1932 Peru, Chagual15 mm
Rabdotus chamberlini G.D. Hanna, 1923 Mexico, Baja California Sur, La Paz
Mesembrinus championi E.C. Von Martens, 1893 Guatemala27 mm
Drymaeus chanchamayensis J.G. Hidalgo, 1870 Peru
Scutalus chango Araya & Breure, 2017
Bulimulus chemitzioides (E. Forbes, 1850) Galapagos