Alexornis is a genus of enantiornithine birds from the Bocana Roja Formation of Baja California, Mexico. This geological formation has been dated to the late Cretaceous period, and more specifically to the Campanian age, about 73 mya.
The Alexornis genus of birds is found within the Bocana Roja Formation in Baja California, Mexico. This geological site dates back to the late Cretaceous period, with a specific time frame during the Campanian age, roughly 73 million years ago.