N. D. Pyenson, C. S. Gutstein, J. F. Parham, J. P. Le Roux, C. C. Chavarría, H. Little, A. Metallo, V. Rossi, A. M. Valenzuela-Toro, J. Velez-Juarbe, C. M. Santelli, D. R. Rogers, M. A. Cozzuol and M. E. Suárez. 2014. Repeated mass strandings of Miocene marine mammals from Atacama Region of Chile point to sudden death at sea. Proceedings of the Royal Society B 281(1781):20133316 [M. Uhen/M. Uhen/M. Uhen]