original description(ofUnio eximius I. Lea, 1856)Lea I. (1856). Descriptions of twenty-five new species of exotic uniones. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 8(2): 92-95 [after 29 April; before 18 June]., available online athttp://biodiversitylibrary.org/page/1935146 page(s): 93 [details]
basis of recordGraf, D.; Cummings, K. (2019). Musselp database: The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves). , available online athttp://mussel-project.uwsp.edu/[details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Distribution Xi (Pearl) River in China south through the Mekong iin Thailand, Cambodia, and Laos [details] Type locality "Siam" - Thailand (without precise location) [details]
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