“…C. chandarii Skrjabin, 1915 is now considered a synonym of C. verrucosa (Filimonova 1985, Kanev et al 1994 and C. filamentis Barker, 1915, C. gallinulae Johnston, 1928and C. pacifera Noble, 1933 were removed from the genus because of an unproper structure of the median ridge while C. johnstoni Martin, 1956 andC. nicolli Cribb, 1991 were withdrawn owing their lack of bilateral rows of ventral papillae (Bayssade-Dufour et al, 1996).…”