(en) Gregg F. Gunnel et Gingerich, Philip D., « Systematics and evolution of late Paleocene and early Eocene Oxyaenidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming », Contributions From the Museum of Paleontology, The University of Michigan, vol. 28, no 7, , p. 141–180 (lire en ligne, consulté le )