SciELO - Scientific Electronic Library Online

vol.61 número2Presencia de un segundo género de ictiosaurios (Reptilia: Ichthyosauria) en el Golfo de México durante el Jurásico TardíoProtoblobicephala mexicana, un nuevo género y especie de delfín fósil del Plioceno (Cetacea; Odontoceti; Delphinidae) del Golfo de California, México índice de autoresíndice de materiabúsqueda de artículos
Home Pagelista alfabética de revistas  

Boletín de la Sociedad Geológica Mexicana

versión On-line ISSN 1405-3322


RIVERA-SYLVA, Héctor E. et al. Preliminary Report on a Late Cretaceous Vertebrate Fossil Assemblage in Northwestern Coahuila, Mexico. Bol. Soc. Geol. Mex [online]. 2009, vol.61, n.2, pp. 239-244. ISSN 1405-3322.

A new vertebrate fossil assemblage of Late Cretaceous age is reported here. This discovery represents the results of the 2007 and 2008 field seasons in the locality known as "Las Jicoteas" situated in the municipality of Ocampo, in northwestern Coahuila, Mexico. The stratigraphic sequence where this fossil fauna occurs can be correlated to the Lower Member of the continental Aguj a Formation that outcrops in the neighbouring Big Bend region of Texas. This new fauna bears the first record of a nodosaur for Mexico, and, also additional dinosaur remains attributed to the families Tyrannosauridae and Hadrosauridae are recorded. Associated fossil taxa include lepisosteid fishes, turtles and crocodile remains. The palaeocological conditions inferred by this new faunal assemblage suggest a paralic system with prodelta, marshes, lagoons, and nearshore marine deposits.

Palabras llave : Late Cretaceous; Coahuila; Mexico; Fossil vertebrates; Dinosaurs.

        · resumen en Español     · texto en Inglés     · Inglés ( pdf )


Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License