Cevallos-Ferriz, Sergio R.S., and Reinhard Weber. “Dicotyledonous Wood from the Upper Cretaceous (Maastrichtian) of Coahuila”. Revista Mexicana de Ciencias Geológicas 10, no. 1 (March 4, 2019): 65–70. Accessed May 11, 2025. https://www.rmcg.unam.mx/index.php/rmcg/article/view/1245.