MolluscaBase taxon details
original description
Heard W. (1965). Recent Eupera (Pelecypoda: Sphaeriidae) in the United States. <em>The American Midland Naturalist.</em> 74(2): 309–317.
page(s): 309 [details]
basis of record
Mackie, G. L. (2007). Biology of freshwater corbiculid and sphaeriid clams of North America. <em>Ohio Biological Survey Bulletin New Series.</em> 15 (3: i-ix): 1-436. [details]
additional source
InvertEBase. (2015). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase project (invertebase.org). [details]