Traits taxon details
original description
(of Lymnea nebrascensis J. Evans & Shumard, 1856 †) Evans, J. & Shumard, B. F. (1856). Descriptions of new fossil species from the fresh water Tertiary Formation of Nebraska, Collected by the North Pacific Railroad Expedition, under Gov. J. J. Stevens. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 7: 164-165., available online at https://www.biodiversitylibrary.org/page/26299385 page(s): 165 [details]
basis of record
Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313. page(s): 238 [details] Available for editors
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