original description(ofLymneus pinguis Say, 1825)Say, T. (1825). Descriptions of some new species of fresh water and land shells of the United States. Journal of the Academy of Natural Sciences of Philadelphia, 5(1): 119-131, available online athttp://biodiversitylibrary.org/page/24657165 page(s): 123 [details]
basis of recordTryon, G. W. (1865). Catalogue of the species of <i>Limnaea</i> inhabiting the United States. <em>American Journal of Conchology.</em> 1: 247-258., available online athttps://biodiversitylibrary.org/page/16084774 page(s): 253 [details]
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