OMAÑA, Lourdes; LÓPEZ-CABALLERO, Iriliana; NUÑEZ-USECHE, Fernando. 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, [S. l.], v. 39, n. 1, p. 71–81, 2022. DOI: 10.22201/cgeo.20072902e.2022.1.1672. Disponível em: https://rmcg.unam.mx/index.php/rmcg/article/view/1672. Acesso em: 19 apr. 2025.