original description
Ludwig, R. (1865). Fossile Conchylien aus den tertiären Süsswasser- und Meerwasser-Ablagerungen in Kurhessen, Grossherzogtum Hessen und der Bayer'schen Rhön. <em>Palaeontographica.</em> 14: 40-97., available online at https://www.biodiversitylibrary.org/page/12204687
page(s): 69-70, pl. 20, figs 13-14 [details]
From editor or global species database
Type locality Großalmerode ("Grossalmerode"), Hesse, Germany; Schwalm Formation ('Melanienton'), early Rupelian, early Oligocene [details]