Omaña, Lourdes, Iriliana López-Caballero, and Fernando Nuñez-Useche. “A Late Aptian Planktic Foraminiferal Assemblage and Pyrite Framboids from the ‘Otates Horizon’, Cerro Boludo, Hidalgo, Mexico: Paleoecological and Paleoenvironmental Implications”. Revista Mexicana de Ciencias Geológicas 39, no. 1 (March 30, 2022): 71–81. Accessed November 21, 2024. https://rmcg.geociencias.unam.mx/index.php/rmcg/article/view/1672.