↑Lucas N. Weaver, Jordan W. Crowell, Stephen G. B. Chester and Tyler R. Lyson. 2024. Skull of A New periptychid Mammal from the lower Paleocene Denver Formation of Colorado (Corral Bluffs, El Paso County). Journal of Mammalian Evolution. 31, 16. DOI: 10.1007/s10914-024-09716-5
↑Middleton M.D. and E.W. Dewar, 2004. New mammals from the early Paleocene Littleton fauna (Denver Formation, Colorado) Bulletin of the New Mexico Museum of Natural History and Science 26:59-80.
↑Archibald, J.D., Rigby,J.K. Jr., and Robison, S.F.(1983). Systematic revision of Oxyacodon (Condylarthra, Periptychidae) and a description of O. ferronensis n. sp. Journal of Paleontology 57: 53–72.