Coleoptera. : South Dakota. Corson County. Drepanochilus conc., exposure on W side of NW-trending spur .1 mi S of wooded gully, mi E of Grand River, and mi E of Miscol. [218; 62Dd]. Coll: Speden, I. G. 1962. Late Cretaceous. Maastrichtian. Fox Hills Fm. Trail City Mbr. Little Eagle Lithofacies. Drepanochilus Concs. Lower nicolleti Assemblage Zone.;

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