MolluscaBase name details
original description
(of Ptychotrema gratum Thiele, 1933) Thiele, J. (1933). Die von Oskar Neumann in Abessinien gesammelten und einige andere afrikanische Landschnecken. Sitzungs-Berichte der Gesellschaft Naturforschender Freunde zu Berlin, 134: 280-323, pl. 1-2. Berlin.
page(s): 288, fig. 4. [details] Available for editors [request]
basis of record
Bacci, G. (1951). Elementi per una malacofauna dell'Abissinia e della Somalia. Annali del Museo Civico di Storia Naturale Giacomo Doria, 65: 1-145. Genova.
page(s): 99. [details] Available for editors [request]
additional source
Brown, K. (2023). A guide to the hunter shells. Vol. 2. The Streptaxoidea. The Enneinae, Orthogibbinae, Marconiinae, Odontartemoninae, Streptaxinae and the Diapheridae. ConchBooks, Germany.
page(s): 88 [details]