Traits taxon details
original description
(of Pompholopsis utahensis Yen, 1947 †) Yen, T.-C. (1947). Pliocene Fresh-Water Mollusks from Northern Utah. <em>Journal of Paleontology.</em> 21(3): 268-277. page(s): 275, pl. 43, fig. 15 [details] Available for editors 
original description
(of Pompholopsis planospiralis Yen, 1947 †) Yen, T.-C. (1947). Pliocene Fresh-Water Mollusks from Northern Utah. <em>Journal of Paleontology.</em> 21(3): 268-277. page(s): 275, pl. 43, figs 16a-c [details] Available for editors 
basis of record
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): 125 [details]
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