Rivers of the region of the Black Sea. In Austria in Warmbad Villach and Vöslau as well as in the catchment area of the Danube near Vienna. In Slovakia in the catchment area of the Danube, as well as the catchment area of the Bulgarian part of the Danube. In Yantra river at Veliko Tarnovo and Zlatna Panega river.
Glöer P. (2019). <i>The freshwater gastropods of the West-Palaearctis</i>. Volume 1. Fresh- and brakish waters except spring and subterranean snails. Identification key, anatomy, ecology, distribution. Published by the author. 399 pp.