basis of recordBaluk, W. (1975). Lower Tortonian gastropods from Korytnica, Poland. Part I (Slimaki Dolnotortonskie z Korytnicy. Czesc 1). <em>Palaeontologia Polonica.</em> 32: 1-186; plates I-XXI., available online athttp://palaeontologia.pan.pl/Archive/1975_32.pdf[details]