Shockey, B. J., & Flynn, J. J. (2007). Morphological diversity in the postcranial skeleton of Casamayoran (?Middle to Late Eocene) notoungulata and foot posture in notoungulates. American Museum of Natural History.

Shockey, Bruce J., and John J. Flynn. Morphological Diversity in the Postcranial Skeleton of Casamayoran (?Middle to Late Eocene) Notoungulata and Foot Posture in Notoungulates. New York: American Museum of Natural History, 2007.

Shockey, Bruce J., and John J. Flynn. Morphological Diversity in the Postcranial Skeleton of Casamayoran (?Middle to Late Eocene) Notoungulata and Foot Posture in Notoungulates. American Museum of Natural History, 2007.