Archelon ("ruling tortoise") is an impressive species of giant tortoise that inhabited Earth during the Cretaceous period

Orcinus citoniensis

It had four limbs modified into fins

The Pachyrhinosaurus was a herbivore

reminding us of its role as one of the greatest predators to have existed in Earth's history

Gorgosaurus libratus Variant:Unprimed Archelon ("ruling tortoise") is anGorgosaurus is a genus of theropod dinosaur that lived during the Late Cretaceous period, approximately 76 to 70 million years ago. It belonged to the Tyrannosauridae family, the same family as the famous Tyrannosaurus rex. This carnivorous dinosaur lived in what is now North America, specifically in what is now Canada and the United States. Physically, Gorgosaurus shared many characteristics with other tyrannosaurids. It had a large, robust skull,