Wagner, Robert Herman, y Enrique Martínez-García. «Floral Remains from the Highest Valdeón Formation, a Marine Stephanian Unit South of the Picos De Europa, and Comparisons With Eastern Asturias, NW Spain». Spanish Journal of Palaeontology, vol. 13, n.º 1, marzo de 2022, pp. 93-106, doi:10.7203/sjp.24038.