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. <em>In: Bauer, G.; Wächtler, K. (eds) Ecology and evolution of the freshwater mussels Unionoida. Springer, Berlin, Heidelberg.</em> pp. 281-307. page(s): 286 [details] Available for editors [request]
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