with strong legs and an elongated neck and tail

limbs modified into flippers

El nombre "Yutyrannus" significa "tirano de plumas" y hace referencia a su relación con los tiranosaurios

It was formally described by Buckley et al

Lythronax argestes Mammuthus with strong legs and anLythronax 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