original description
Mayer-Eymar, C. (1901). Interessante neue Gastropoden aus dem Untertertiär Egyptens. <em>Vierteljahrsschrift der Naturforschenden Gesellschaft in Zürich.</em> 46: 22-33., available online at https://www.biodiversitylibrary.org/page/9594817
page(s): 28, pl. 1, fig. 5a, b [details]
From editor or global species database
Type locality Madīnat as Sādis min Uktūbar (c. 20 km W of the Pyramid of Giza), Al Jizah, Egypt; early Rupelian, early Oligocene [details]