MolluscaBase name details
original description
(of Opeas subvaricosum E. von Martens, 1897) Martens, E. von. (1897). Beschalte Weichthiere Deutsch-Ost-Afrikas. In: Möbius, K.: Deutsch-Ostafrika. 4: i-v + 1-308. Berlin [Dietrich Reimer]., available online at https://www.biodiversitylibrary.org/bibliography/12943#/summary
page(s): 126, pl. 5, figs 21, 29. [details]
basis of record
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): 196 [details]
additional source
Verdcourt, B. (2006). A revised list of the non-marine Mollusca of East Africa (Kenya, Uganda and Tanzania, excluding Malawi). B. Verdcourt, Maidenhead. Pp. 1–75.
page(s): 44 [details] Available for editors [request]