Cetaceans are a group of marine mammals that includes whales

and are more developed on the hind legs than on the front legs

It was a shark that was wider than it was long

Snout-to-tail length 100 mm

Lythronax argestes Variant:Unprimed Cetaceans are a group ofLythronax argestes was a carnivorous theropod dinosaur of the Tyrannosauridae group that lived during the Late Cretaceous , in the early middle Campanian (approximately 8079 million years ago) . Its remains come from the Wahweap Formation , in what is now southern Utah (United States) , within the ancient island continent of Laramidia , and its discovery has been key to understanding the origin and early diversification of tyrannosaurids in North