G. Delvene and R. . Araujo, “Early Cretaceous non-marine bivalves from the Cameros and Basque-Cantabrian basins of Spain”, JIGE, vol. 35, no. 1, pp. 19–34, Mar. 2009, Accessed: Feb. 02, 2026. Available: https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0909120019A