original description
(of Unio bituberculosus E. von Martens, 1874 †) Martens, E. von. (1874). Fossile Süsswasser-Conchylien aus Sibirien. II. <em>Zeitschrift der Deutschen Geologischen Gesellschaft.</em> 26: 741-751, pl. 20., available online at https://www.biodiversitylibrary.org/page/44031902
page(s): 747-748, pl. 20, figs 8-10 [details]
basis of record
Zykin V.S. (2012). Stratigrafiya i evolyutsiya prirodnoy sredy i klimata v pozdnem kaynozoye yuga Zapadnoy Sibiri [Stratigraphy and evolution of environments and climate during late Cenozoic in the southern West Siberia]. <em>Novosibirsk: GEO.</em> Geo, Novosibirsk, 488 pp.
page(s): 74, fig. 3.3 (3) [details] Available for editors [request]
From editor or global species database
Type locality Russia, Omsk Regions, vicinity of Omsk City [details]