The study of A. Schileyko in this group, published in parts 8-11 of his monograph between 2002 and 2003, did not discuss the system that Hausdorf had proposed [REF].
Moreover, after these groups, in the same infraorder Limacoinei, Schileyko listed six more superfamilies: Camaenoidea, Xanthonychoidea, Helicoidea, Polygyroidea, Hygromioidea and Arionoidea [REF].