MolluscaBase taxon details
original description
(of Ptychotrema nyangweense tchibindanum [sic]) Pilsbry, H. A. & Cockerell, T. D. A. (1933). African Mollusca, chiefly from the Belgian Congo. <em>Proceedings of the Zoological Society of London.</em> 1933: 365–375., available online at https://doi.org/10.1111/j.1096-3642.1933.tb01599.x page(s): 369, pl. 2, fig. 5 [details] Available for editors [request]
original description
(of Ptychotrema (Parennea) nyangweense tshibindanum Pilsbry & T. D. A. Cockerell, 1933) Pilsbry, H. A. & Cockerell, T. D. A. (1933). African Mollusca, chiefly from the Belgian Congo. <em>Proceedings of the Zoological Society of London.</em> 1933: 365–375., available online at https://doi.org/10.1111/j.1096-3642.1933.tb01599.x page(s): 369, pl. 2, figs 5, 5a. [details] Available for editors [request]
basis of record
Adam, W.; Van Goethem, J. L. (1978). Revision du sous-genre Parennea Pilsbry du genre Ptychotrema Mörch (Mollusca-Pulmonata-Streptaxidae). <em>Études du Continent Africain.</em> 5: 1-79. page(s): 19, figs 11-14. [details] Available for editors [request]
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