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, Timber Lake Mbr. Collection locality: concs., just below top of big Sphenodiscus Layer, top of first prominent spur .2 mi NW of S part loc. C0088, and 2 mi SW of Green Grass, Dewey County, South Dakota, USA. Collected by Ian G. Speden, 1962. IPA.00775: South Dakota. Dewey County. Moreau River. concs., just below top of big Sphenodiscus Layer, top of first prominent spur .2 mi NW of S part loc. C0088, and 2 mi SW of Green Grass. [227; 88-89b]. Coll: Speden, I. G. 1962. Late Cretaceous. Maastrichtian. Fox Hills Fm. Timber Lake Mbr. abyssinus-mandanensis Biofacies.; IP number 42066; lot count 2; accn=IPA.07048.
Yale Peabody Museum’s own description
