The Paleontology of Gran Barranca. Evolution and Environmental Change through the Middle Cenozoic of Patagonia. Richard H. Madden, Alfredo A. Carlini, MarĂ­a Guiomar Vucetich, Richard F. Kay, editors. Cambridge University Press, New York, 2010 (ISBN 978-0-. (2011). Ameghiniana, 47(4), 534. https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/435