“Palynomorph assemblages of the Cuayuca Formation (Paleogene), Puebla, southern Mexico. Part 1: trilete spores, monolete spores and gymnosperm pollen” (2013) Ameghiniana, 42(3), pp. 567–578. Available at: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/925 (Accessed: 16 September 2025).