TCHEGLIAKOVA, Nanejda; MOJICA, Jairo. THE SENONIAN OF THE BARRERA DE GIRARDOT-GUATAQUÍ, UPPER MAGDALENA VALLEY, COLOMBIA: STRATIGRAPHIC LIMITS AND THE ESTABLISHMENT OF A MICROPALEONTOLOGICAL ZONATION. Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, Bogotá, Colombia, v. 25, n. 94, p. 37–75, 2024. DOI: 10.18257/raccefyn.25(94).2001.2712. Disponível em: https://raccefyn.co/index.php/raccefyn/article/view/2712. Acesso em: 18 aug. 2024.