“FAVRELLA R. DOUVILLE, 1909 (AMMONITINA, CRETACICO INFERIOR): EDAD Y DISTRIBUCION”. Ameghiniana 7, no. 2 (August 16, 2013): 119–138. Accessed October 12, 2025. https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/1300.