New Tyrannosaurus could have been T. rex's ancestor : compar

This exciting find was discovered among fossils previously labelled as T. rex.

Related Keywords

United States , New Mexico , Las Cruces , Albuquerque , New Mexico Museum Of Natural History , Elephant Butte , America , Sergei Krasinski , Anthony Fiorello , Nick Longrich , Mexico Museum Of Natural History , New Mexico Museum , Natural History , Late Cretaceous , North America ,