The Paleontology of Gran Barranca. Evolution and Environmental Change through the Middle Cenozoic of Patagonia. Richard H. Madden, Alfredo A. Carlini, María Guiomar Vucetich, Richard F. Kay, Editors. Cambridge University Press, New York, 2010 (ISBN 978-0-. AMGH 2011, 47 (4), 534.