original description
Schlickum, W.R.; Strauch, F. (1975). Zur Systematik westeuropäischer neogener Zonitidae. <em>Archiv für Molluskenkunde.</em> 106: 39-45.
page(s): 43, pl. 3, fig. 7 [details]
From editor or global species database
Type locality Open-cast mine Frechen near Kerpen, Germany [details]