original description
Haldeman, S. S. (1841). Description of four species of <i>Cyclas</i>, three of which belong to the subgenus <i>Pisidium</i> and two species of <i>Cypris</i>. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 1(4): 53 [31 August 1841, receipt date of printing bill]., available online at http://biodiversitylibrary.org/page/1779155
page(s): 53 [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]
From editor or global species database