original description
Speyer, O. (1870). Die Conchylien der Casseler Tertiär-Bildungen. V. <em>Pyramidella, Odontostoma, Turbonilla, Eulima, Niso, Nerita, Sigaretus, Paludina, Bithynia, Nematura, Melanopsis, Melania</em> <em>Palaeontographica</em>. 19(2): 47-101, available online at https://www.biodiversitylibrary.org/page/33088587
page(s): 92, pl. 14, figs 14a-e [details]
From editor or global species database
Type locality Kassel (Nordshausen) ("Nordshausen bei Cassel"), Hesse, Germany; Schwalm Formation ('Melanienton'), early Rupelian, early Oligocene [details]