Bandel, K. (1991). Gastropods from brackish and fresh water of the Jurassic-Cretaceous transition (a systematic reevaluation). <em>Berliner Geowissenschaftliche Abhandlungen, ser. A.</em> 134: 9−55, pls. 1−7.
page(s): 35, pl. 7, figs 11-13 [details]
From editor or global species database
Type locality Biel/Bienne (Biel section) ("Bienne in the Swiss Jura"), Bern, Switzerland; late Berriasian, early Cretaceous [details]