original description(ofUnio letsoni Whitfield, 1907 †)Whitfield, R.P. (1907). Remarks on and descriptions of new fossil Unionidae from the Laramie clays of Montana. <em>Bulletin of the American Museum of Natural History.</em> 23(26): 623-628., available online athttp://digitallibrary.amnh.org/handle/2246/650 page(s): 627, pl. 42, figs 1-4 [details]
This service is powered by LifeWatch Belgium Learn more»