original description
Lindholm, W. A. (1932). Mollyuski iz sredne-pliotsenovykh presnovodnykh otlozhenii yugo-zapadnoy Sibiri [Molluscs from middle Pliocene freshwater sediments of southwestern Siberia]. <em>Trudy Vsesoyuznogo geologo-razvedochnogo ob'edineniya NKTP SSSR.</em> 238: 3–50. [In Russian].
page(s): 27, pl. VI, fig. 35 a, b [details] Available for editors [request]
From editor or global species database
Type locality "r. Kizyl-Aygir (pritok r. Betekey)" [Kizyl-Aygir river (tributary of the Betekey river)] (Kazakhstan) [details]