Traits taxon details
original description
(of Carinifex brevispira Yen, 1946 †) Yen, T.-C. (1946). Late Tertiary Fresh-Water Mollusks from Southeastern Idaho. <em>Journal of Paleontology.</em> 20(5): 485-494. page(s): 492, pl. 76, figs 18a-b [details] Available for editors 
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