MolluscaBase taxon details
original description
(of Unio mammillaris Yen, 1952 †) Yen, T.-C. (1952). Molluscan Fauna of the Morrison Formation. <em>United States Geological Survey Professional Paper.</em> 233-B: 21-51.
page(s): 36-37, pl. 4, fig. 1a-e [details] Available for editors [request]
basis of record
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): 286 [details]