“Systematic Status of the Mid-Tertiary Neobatrachian Frog Calyptocephalella Canqueli from Patagonia (Argentina), With Comments on the Evolution of the Genush”. Ameghiniana 46, no. 1 (June 4, 2009): 113–126. Accessed December 3, 2025. https://ameghiniana.org.ar/index.php/ameghiniana/article/view/180.