Traits name details
original description
(of Unio eomargaron T. D. A. Cockerell, 1915 †) Cockerell, T. D. A. (1915). New species of <i>Unio</i> from the Tertiary rocks of Wyoming. <em>Bulletin of the American Museum of Natural History.</em> 34(4): 121-126., available online at http://digitallibrary.amnh.org/handle/2246/1766 page(s): 123-124, textfig. 2 [details]
basis of record
Modell, H. (1957). Die fossilen Najaden Nordamerikas. Ein Klassifizierungsversuch. <em>Archiv für Molluskenkunde.</em> 86(4/6): 183-200. page(s): 188 [details] Available for editors 
status source
Hartman, J.H.; Roth, B. (1998). Late Paleocene and Early Eocene Nonmarine Molluscan Faunal Change in the Bighorn Basin, Northwestern Wyoming and South-Central Montana. In: Aubrey, M.-P.; Lucas, S.G.; Berggren, W.A. (eds) Late Paleocene–Early Eocene Biotic and Climatic Events in the Marine and Terrestrial Records. Columbia University Press, pp. 323-379. [details]
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