Coleoptera. : South Dakota. Corson County. section H, SW-facing bluffs at W end of divide, W of trail, and about 1 mi E of Grand River, and 6 mi SE of Bullhead. [62; 62Hb]. Coll: Speden, I. G. 1962. Late Cretaceous. Maastrichtian. Fox Hills Fm. Trail City Mbr. Little Eagle Lithofacies. Lower nicolleti Assemblage Zone.;

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