original description
Tolstikova, N.V. (1974). Paleogenovyye presnovodnyye mollyuski zaysanskoy vpadiny i ikh paleolimnologicheskoye znacheniye [Paleogene freshwater mollusks of the Zaysan depression and their paleolimnological importance]. In: Martinson, G.G.; Kyansep-Romashkina, N.P. (eds) Problemy issledovaniya drevnikh ozer Yevrazii. Nauka, Leningrad, pp. 70-95.
page(s): 90-91, pl. 8, figs 5, 6 [details]
From editor or global species database
Spelling Species name may be considered a noun in apposition (Lat. pumilus = dwarf) and thus does not need to agree in gender with the genus name. [details]