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. 1, face on W side of SSE-trending ridge, 450 ft N of loc C0242, and at SW corner of Long's Ridge, and 7.5 mi W of Whitehorse, Dewey County, South Dakota, USA. Collected by Ian G. Speden, 1962. IPA.01073: South Dakota. Dewey County. conc. 1, face on W side of SSE-trending ridge, 450 ft N of loc C0242, and at SW corner of Long's Ridge, and 7.5 mi W of Whitehorse. [243; 104Bj]. Coll: Speden, I. G. 1962. Late Cretaceous. Maastrichtian. Fox Hills Fm. Trail City Mbr. Little Eagle Lithofacies. Lower nicolleti Assemblage Zone.; IP number 42080; lot count 2; accn=IPA.07048.
Yale Peabody Museum’s own description