original description
(of Unio metallicus Say, 1831) Say, T. (1831). New terrestrial and fluviatile shells of North America. (cont.). The Disseminator (2nd Series), 1(29): no pagination, 15 January 1831 [details]
original description
(of Unio cuprinus I. Lea, 1831) Lea, I. (1831). Observations on the naïades, and descriptions of new species of that and other families. <em>Transactions of the American Philosophical Society.</em> (NS) 4: 63-121, plates 3-18., available online at http://biodiversitylibrary.org/page/24786630
page(s): 94, pl. 12, fig. 24 [details]
basis of record
Graf, D.; Cummings, K. (2019). Musselp database: The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves). , available online at http://mussel-project.uwsp.edu/ [details]
From editor or global species database
Distribution Mexico [details]