“THE HUMERUS AND STRATIGRAPHIC RANGE OF PALAEOSPHENISCUS (AVES, SPHENISCIFORMES)”. Ameghiniana 51, no. 3 (February 19, 2014): 159–172. Accessed January 1, 2026. https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/637.