American Museum of Natural History & Shockey, B. J. (2009). Paleontology and geochronology of the Deseadan(late Oligocene) of Moquegua, Peru. American Museum of Natural History.

American Museum of Natural History and Bruce J. Shockey. Paleontology and Geochronology of the Deseadan(late Oligocene) of Moquegua, Peru. New York: American Museum of Natural History, 2009.

American Museum of Natural History and Bruce J. Shockey. Paleontology and Geochronology of the Deseadan(late Oligocene) of Moquegua, Peru. American Museum of Natural History, 2009.