undet. Coleoptera
From the collection of Yale Peabody Museum. Free to download, adapt and use — no permission needed.
Geological context: Late Cretaceous, Fox Hills Fm, Trail City Mbr. Collection locality: conc., small outcrops on shoulders of spurs E and W of main gully draining SW 1/4 of sec. 24, and 9 mi W of Little Eagle, Corson County, South Dakota, USA. Collected by Karl M. Waage, Ian G. Speden, 1962. IPA.00731: South Dakota. Corson County. Grand River. conc., small outcrops on shoulders of spurs E and W of main gully draining SW 1/4 of sec. 24, and 9 mi W of Little Eagle. [85Af; 85Af]. Coll: Waage, K. M., Speden, I. G. 1962. Late Cretaceous. Maastrichtian. Fox Hills Fm. Trail City Mbr. Little Eagle Lithofacies. Protocardia-Oxytoma Assemblage Zone.; IP number 42072; lot count 2; accn=IPA.07048.
Yale Peabody Museum’s own description