original description
Locard, A. (1893). Monographie des mollusques tertiaires terrestres et fluviatiles de la Suisse. Deuxième partie. <em>Mémoires de la Société Paléontologique Suisse.</em> 19, 131-275.
page(s): 239, pl. 11, fig. 19, pl. 12, fig. 20 [details]
basis of record
Modell, H. (1935). Najaden des nordalpinen Oligocaens. <em>Archiv für Molluskenkunde.</em> 67: 127-135., available online at https://www.zobodat.at/pdf/Archiv-fuer-Molluskenkunde_67_0127-0135.pdf
page(s): 135 [details] Available for editors [request]
additional source
Baumberger, E. (1931). Zur Tektonik und Altersbestimmung der Molasse am schweizerischen Alpennordrand. <em>Eclogae geologicae Helvetiae.</em> 24(2): 205–222.
page(s): 213 [details]
From editor or global species database
Authority Authority attributed to Mayer-Eymar based on a collection label. [details]