Matsumoto, R., and S. E. Evans. “Choristoderes and the Freshwater Assemblages of Laurasia”. Journal of Iberian Geology 36, no. 2 (December 10, 2010): 253–274. Accessed November 21, 2024. https://revistas.ucm.es/index.php/JIGE/article/view/JIGE1010220253A.