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The Cerro del Pueblo Formation is a geological formation in Coahuila, Mexico, whose strata date back to the latest Campanian of the Late Cretaceous, just before the Campanian-Maastrichtian boundary. Dinosaur remains are among the fossils that have been recovered from the formation. [ 1 ]
Mojica, Jairo; Villarroel, Carlos (1984), "Contribución al conocimiento de las unidades paleozoicas del área de Floresta (Cordillera Oriental Colombiana; Departamento de Boyacá) y en especial al de la Formación Cuche" (PDF), Geología Colombiana, 13: 55–80
The Rosablanca Formation (Spanish: Formación Rosablanca, Kir) is a geological formation of the Altiplano Cundiboyacense, Eastern Ranges of the Colombian Andes and the Middle Magdalena Basin.
The oldest true caviid, Prodolichotis pridiana is known from the Villavieja and La Victoria Formations of La Venta, Colombia. Sister taxa of these caviids first appeared in the Colloncuran; Guiomys unica and Microcardiodon williensis, found in the Collón Curá Formation. [15]
Rinderknecht, Andrés (2011), Estudio sobre los roedores gigantes del Uruguay, Departamento de San José (Mioceno tardío-Pliocene) y sus implicancias para la sistemática y taxonomía de la familia Dinomyidae (Mammalia, Rodentia) (PDF), Universidad de la República, pp. 1–101
Mininco Formation (Spanish: Formación Mininco) is a geological formation composed of sediments that deposited during the Pliocene in central Chile.Near Angol the formation reaches thicknesses of up to 300 m.
The Cerro Azul Formation (Spanish: Formación Cerro Azul), also described as Epecuén Formation, is a geological formation of Late Miocene (Tortonian, or Huayquerian in the SALMA classification) age in the Colorado Basin of the Buenos Aires and La Pampa Provinces in northeastern Argentina.
The Arcabuco Formation (Spanish: Formación Arcabuco, Jar, JKa) is a geological formation of the Altiplano Cundiboyacense, Eastern Ranges of the Colombian Andes.The formation consists of thick beds of light-coloured quartzitic sandstones and conglomerates with occasional shales and dates to the Late Jurassic and Early Cretaceous periods; Tithonian to Berriasian epochs.