Traits name details
original description
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): 17, figs 8, 9. [details] Available for editors 
basis of record
Bruggen, A. C. van; Van Goethem, J. L. (2001). Prolegomena for a checklist of the terrestrial mollusks of the Upemba National Park, Katanga, D.R. Congo. <em>Bulletin de l'Institut Royal des Sciences naturelles de Belgique, Biologie.</em> 71: 151–168., available online at https://biblio.naturalsciences.be/rbins-publications/bulletin-of-the-royal-belgian-institute-of-natural-sciences-biologie/bulletin-of-the-royal-belgian-institute-of-natural-sciences-biology/71-2001/biologie-2001-71_151-168.pdf page(s): 160 [details]
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