Pinniped Turnover in the South Pacific Ocean: New Evidence from the Plio-Pleistocene of the Atacama Desert, ChileDOI: info:10.1080/02724634.2012.710282v. 33No. 1Society of Vertebrate Paleontology216–223
Valenzuela-Toro, Ana M., Gutstein, Carolina S., Varas-Malca, Rafael M., Suarez, Mario E., and Pyenson, Nicholas D. 2013. "Pinniped Turnover in the South Pacific Ocean: New Evidence from the Plio-Pleistocene of the Atacama Desert, Chile." Journal of Vertebrate Paleontology, 33, (1) 216–223. https://doi.org/10.1080/02724634.2012.710282.