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Schileyko, A. A. (1991). Taxonomic status, phylogenetic relations and system of the Helicoidea sensu lato (Pulmonata). Archiv für Molluskenkunde. 120 [1989] (4/6): 187-236. Frankfurt am Main [31 August].
Schileyko, A. A. (1991). Taxonomic status, phylogenetic relations and system of the Helicoidea sensu lato (Pulmonata). Archiv für Molluskenkunde. 120 [1989] (4/6): 187-236. Frankfurt am Main [31 August].
