MolluscaBase taxon details
original description
(of Ennea (Ptychotrema) runsorana E. von Martens, 1892) Martens, E. von. (1892). Ueber die von Dr. Stuhlmann in Nordostafrika gesammelten Arten von Land- und Süsswasser-Mollusken. <em>Sitzungsberichte der Gesellschaft naturforschender Freunde zu Berlin.</em> 1892: 174-181., available online at https://www.biodiversitylibrary.org/page/8790640
page(s): 179 [details]
basis of record
Adam, W.; Bruggen, A. C. van; Van Goethem, J. L. (1993). Études sur les mollusques terrestres de l'Afrique, à partir des notes de feu le Dr William Adam. 1. <i>Ptychotrema</i> (<i>Haplonepion</i>) Pilsbry, 1919 (Gastropoda Pulmonata: Streptaxidae). <em>Bulletin de l'Institute Royal des Sciences Naturelles de Belgique, Biologie.</em> 63: 137-157., available online at https://biblio.naturalsciences.be/rbins-publications/bulletin-of-the-royal-belgian-institute-of-natural-sciences-biologie/63-1993/biologie-1993-63_137-157.pdf
page(s): 146 [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): 202 [details]