original description
Popova, S.M. (1981). Kaynozoyskaya kontinental'naya malakofauna yuga Sibiri i sopredel'nykh territoriy [The Cenozoic continental malacofauna of Southern Siberia and adjacent territories]. Nauka, Moskva, 188 pp.
page(s): 98, pl. 36, fig. 4 [details] Available for editors [request]
From editor or global species database
Fossil range Age range uncertain - Popova (1981) listed the species from the Tankhoy Formation, which is assigned very different age ranges in the literature, spanning either the Oligocene to Miocene or the Miocene to lower Pliocene. [details]