Coleoptera. : South Dakota. Dewey County. conc. 5, toe of spur trending S from Whitehorse ridge, .6 mi E of Whitehorse road, and .6 mi S of trail, and mi NW of Whitehorse. [66; 66Au]. Coll: Speden, I. G. 1962. Late Cretaceous. Maastrichtian. Fox Hills Fm. Trail City Mbr. Little Eagle Lithofacies. Protocardia-Oxytoma Assemblage Zone.;

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Keywords: animalia, arthropoda, coleoptera., hexapoda, insecta, pter, undet.