“Bivalves from the Triassic?Jurassic Transition in Northern Spain (Asturias and Western Basque?Cantabrian Basin)”. Ameghiniana 47, no. 2 (July 9, 2010): 185–205. Accessed October 28, 2025. https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/193.