original description
Cox, L. R. (1933). A lower Tertiary siliceous rock from the Anglo-Egyptian Sudan. <em>Bulletin de l'Institut d'Égypte.</em> 15 (2): 315-348.
page(s): 328-329, pl. 3, figs 1, 2 [details] Available for editors [request]
additional source
Harzhauser, M.; Neubauer, T. A.; Bussert, R.; Eisawi, A. A. (2017). Ampullariid gastropods from the Palaeogene Hudi Chert Formation (Republic of the Sudan). <em>Journal of African Earth Sciences.</em> 129: 338-345., available online at https://doi.org/10.1016/j.jafrearsci.2017.01.024
page(s): 340 [details] Available for editors [request]
From editor or global species database
Type locality Hudi (railway station, c. 30 km east-north-east of Atbara), Sudan [details]