Villa, Elisa, Oscar Merino-Tomé, y Jaime Martín-Llaneza. «Fusulines from the Central Asturian Coal? Eld (Pennsylvanian, Cantabrian Zone, Spain) and Their Signi? Cance for Biostratigraphic Correlation». Spanish Journal of Palaeontology 33, no. 1 (octubre 31, 2018): 231–260. Accedido diciembre 18, 2024. https://turia.uv.es/index.php/sjpalaeontology/article/view/13252.