Ondorukhaa Formation
Encyclopedia
The Ondorukhaa Formation is a geological formation in Mongolia whose strata date back to the Early Cretaceous
. Dinosaur remains are among the fossils that have been recovered from the formation.
Early Cretaceous
The Early Cretaceous or the Lower Cretaceous , is the earlier or lower of the two major divisions of the Cretaceous...
. Dinosaur remains are among the fossils that have been recovered from the formation.