MolluscaBase name details
original description
Hanna, G. D. (1922). Fossil freshwater mollusks from Oregon, contained in the Condon Museum of the University of Oregon. <em>University of Oregon Publication.</em> 1(12): 1-22., available online at https://www.biodiversitylibrary.org/page/20825593
page(s): 8, pl. 4, figs 9-10 [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): 256 [details] Available for editors [request]