original description
Maderni, U.N.; Martinson, G.G. (1969). O novykh paleogenovykh presnovodnykh mollyuskakh Turgayskogo progiba [On new Paleogene freshwater molluscs of the Turgay Depression]. In: Barkhatova, N.N. (Ed.) Kontinental'nyye obrazovaniya vostochnykh rayonov Sredney Azii i Kazakhstana. Nauka, Leningrad, pp. 119-131.
page(s): 123-124, pl. I, fig. 3, 4, 5, 6a, 6б, 7, 9 [details] Available for editors [request]
From editor or global species database
Type locality "Turgayskiy progib, verkhneye Pritobol'ye, rayon pos. Grishinskiy i vostochnoye poberezh'ye oz. Sorkol'" [Turgay Depression, upper course of the Tobol River basin, area of the village Grishenka and the eastern coast of Lake Sorköl] (Kazakhstan) [details]