OMAÑA, Lourdes; PONS, Jose Maria; CRUZ, Ruben. Biostratigraphy and paleoenvironment of Maastrichtian foraminiferal assemblages from a succession located NW of Tuxtla Gutiérrez, Chiapas (SE Mexico). Revista Mexicana de Ciencias Geológicas, [S. l.], v. 38, n. 1, p. 65–81, 2021. DOI: 10.22201/cgeo.20072902e.2021.1.1598. Disponível em: https://www.rmcg.unam.mx/index.php/rmcg/article/view/1598. Acesso em: 2 may. 2025.