original description
Schneider, S.; Böhme, M.; Prieto, J. (2013). Unionidae (Bivalvia; Palaeoheterodonta) from the Palaeogene of northern Vietnam: exploring the origins of the modern East Asian freshwater bivalve fauna. <em>Journal of Systematic Palaeontology.</em> 11(3): 337-357., available online at https://doi.org/10.1080/14772019.2012.665085
page(s): 345-347, fig. 6 [details]
From editor or global species database
Type locality Na Duong coalmine, Lang Son Province, northern Vietnam; Na Duong and Rinh Chua formations, Palaeogene [details]