La Bocana Roja Formation is a geological formation in Baja California, Mexico whose strata date back to the Late Cretaceous, although the precise age is unclear.[1][2] Dinosaur remains are among the fossils that have been recovered from the formation.[3]
^Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 574-588. ISBN0-520-24209-2.