Traits taxon details
basis of record
Connolly, M. (1925). The non-marine Mollusca of Portuguese East Africa. Transactions of the Royal Society of South Africa, 12 (3): 105-220, pl. 4-8. Cape Town. [March]. page(s): 120 [details]
additional source
Pilsbry, H. A. (1919). A review of the land mollusks of the Belgian Congo chiefly based on the collections of the American Museum Congo Expedition, 1909-1915. <em>Bulletin of the American Museum of Natural History.</em> 40: 1-370, pls I-XXIII. page(s): 218 [details] 
additional source
Zilch, A. (1983). Die Typen und Typoide des Natur-Museums Senckenberg, 71: Mollusca: Streptaxacea (2): Haplotrematidae, Systrophiidae, Rhytididae, Streptaxidae (Nachträge zu Teil 24). <em>Archiv für Molluskenkunde.</em> 113 (1/6): 117–149; 231–233, Taf. 11–13. page(s): 135 [details] Available for editors 
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