original description
Lea, I. (1852). Descriptions of new species of the family Unionidae. <em>Transactions of the American Philosophical Society.</em> (NS) 10(2): 253-294, plates 12-29 [1 June 1852, teste Scudder (1885: 57)]., available online at http://biodiversitylibrary.org/page/4529783
page(s): 254, pl. 12, fig. 1 [details]
basis of record
Bieler, R. (2021). Isaac Lea's (1792-1886) substitutions and other modifications of his own names of molluscan species. <em>Malacologia.</em> 64(1): 1-56.
page(s): 17 [details] Available for editors [request]
basis of record
Graf, D. & Cummings, K. (2007). Review of the systematics and global diversity of freshwater mussel species (Bivalvia: Unionoida). <em>Journal of Molluscan Studies.</em> 73(4): 291-314. [details]
From editor or global species database
Spelling Lea (1867) acted as First Reviser and fixed U. sordidus as the correct original spelling [details]