MolluscaBase taxon details
original description
(of Ptychotrema (Parennea) mukulense Pilsbry, 1919) 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): 212, fig. 81. [details]
additional source
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): 9, fig. 1. [details] Available for editors [request]