These footprints appeared to date back to the Early Cretaceous when the continent was attached to Antarctica and hinted that the large and carnivorous theropod dinosaurs lived in the polar region.

With a massive body, sharp teeth, and jaws so powerful they could crush a car, this famous carnivore dominated the forested river valleys in western North America during the late Cretaceous period ...

One of the trackways was made by a Megalosaurus, a carnivorous dinosaur that walked on two legs, according to the university. Megalosaurus had large, clawed feet, with three toes on each foot.