original description
(of Contradens rzhanikovae Tolstikova, 1971 †) Tolstikova, N.V. (1971). Novyye vidy paleoenovykh unionid Zaysanskoy vpadiny [New species of Paleogene unionids of the Zaisan depression]. <em>Paleontologicheskiy Zhurnal.</em> 1971(4): 8-16.
page(s): 12-13, pl. 2, figs 18-20 [details] Available for editors [request]
From editor or global species database
New combination Combination established herein, for consistency with genus level synonymy. [details]