Traits taxon details
original description
Yen, T.-C. (1944). Notes on Fresh-Water Mollusks of Idaho Formation at Hammett, Idaho. <em>Journal of Paleontology.</em> 18(1): 101-108. page(s): 105, fig. 6 [details] Available for editors 
additional source
Taylor, D. W. (1966). Summary of North American Blancan nonmarine mollusks. <em>Malacologia.</em> 4(1): 1-172, pls 1−8., available online at https://www.biodiversitylibrary.org/page/13147234 page(s): 122 [details]
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