MolluscaBase taxon details
original description
(of Ennea bequaerti Dautzenberg & Germain, 1914) Dautzenberg, P. & Germain, L. (1914). Récoltes malacologiques du Dr. J. Bequaert dans le Congo Belge. <em>Revue Zoologique Africaine.</em> 4(1): 1-73, plates I-IV., available online at https://www.biodiversitylibrary.org/page/11472300
page(s): 5, pl. 3, fig. 14. [details]
original description
(of Ptychotrema (Ennea) bequaerti thysvillense 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): 208, fig. 76. [details]
basis of record
Adam, W.; Bruggen, A. C. van; Van Goethem, J. L. (1994). Études sur les mollusques terrestres de l'Afrique, à partir des notes de feu le Dr William Adam. 2. <i>Ptychotrema</i> (<i>Ennea</i>) H. & A. Adams, 1855 (Gastropoda Pulmonata: Streptaxidae). <em>Bulletin de l'Institute Royal des Sciences Naturelles de Belgique, Biologie.</em> 64: 71-97., available online at https://biblio.naturalsciences.be/rbins-publications/bulletin-of-the-royal-belgian-institute-of-natural-sciences-biologie/64-1994/biologie-1994-64_71-97.pdf
page(s): 74 [details]