Verdcourt, B. (1983). A brief review of the species of Gonaxis Taylor subg. Pseudogonaxis Thiele (Pulmonata: Streptaxidae). Journal of Conchology. 31 (3): 173-178, pl. 14. London.
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Verdcourt, B.
1983
A brief review of the species of Gonaxis Taylor subg. Pseudogonaxis Thiele (Pulmonata: Streptaxidae)