Project 4902: X. Wang, R. J. Emry, C. A. Boyd, J. J. Person, S. C. White, R. H. Tedford. 2022. An exquisitely preserved skeleton of Eoarctos vorax (nov. gen. et sp.) from Fitterer Ranch, North Dakota (early Oligocene) and systematics and phylogeny of North American early arctoids (Carnivora, Caniformia). Journal of Vertebrate Paleontology. 42 (sup1):1-123.