MolluscaBase taxon details
original description
Mansfield, W.C. (1933). Description. In: Cook, H.J.; Mansfield, W.C. A new mollusk from the Chadron formation (Oligocene) of Nebraska. <em>Journal of the Washington Academy of Sciences.</em> 23: 266-267., available online at https://biodiversitylibrary.org/page/39917347 page(s): 267, figs 1-4 [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): 95 [details] Available for editors [request]
additional source
Watters, G.T. (2001). The Evolution of the Unionacea in North America, and Its Implications for the Worldwide Fauna. In: Bauer, G.; Wächtler, K. (eds) Ecology and Evolution of the Freshwater Mussels Unionoida. Springer, Berlin, Heidelberg, pp. 281-307 page(s): 297 [details]
From editor or global species database
Type locality "Eight miles north of Crawford, Dawes County, Nebraska", USA; Chadron Fm., Oligocene [details]
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