“THE AMMONITE GENUS GAUDRYCERAS FROM THE SANTONIAN–CAMPANIAN OF ANTARCTICA: SYSTEMATICS AND BIOSTRATIGRAPHY”. Ameghiniana 53, no. 3 (June 6, 2016): 375–396. Accessed September 7, 2025. https://ameghiniana.org.ar/index.php/ameghiniana/article/view/2972.