T. J. Meehan, Robert W. Wilson. New viverravids from the Torrejonian (Middle Paleocene) of Kutz Canyon, New Mexico and the oldest skull of the order Carnivora. „Journal of Paleontology”. 76 (6), s. 1091–1101, 2002. DOI: 10.1666/0022-3360(2002)076%3C1091:NVFTTM%3E2.0.CO;2. (ang.).