“A New Porcupine (Rodentia, Hystricognathi, Erethizontidae) from the Early and Middle Miocene of Patagonia”. Ameghiniana 40, no. 3 (April 21, 2013): 483–494. Accessed September 25, 2025. https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/975.