original description
Bogachev, V.V. (1961). Materialy k istorii presnovodnoi fauny Evrazii. <em>Izdatel'stvo Akademii Nauk Ukrainskoi SSR, Kiev.</em> 404 p.
page(s): 299-300, pl. 42, figs 9-18 [details] Available for editors [request]
basis of record
Yakhimovich, V.L.; Nemkova, V.K.; Chepalyga, A.L. (1983). Fauna i flora pliotsena i pleystotsena (opornyy razrez Sultanayevo-Yulushevo) [Fauna and flora of the Pliocene and Pleistocene (reference section Sultanaevo-Yulushevo)]. Nauka, Moskva, 152 pp.
page(s): 65, pl. 5, figs 1-5 [details]
From editor or global species database
Type locality "Terrasy nizov'yev r. Kamy" [terraces of the lower reaches of the Kama river] (near Perm, Russia) [details]