Spinosaurus had a morphology adapted to a semi-aquatic lifestyle

while its sharp bill is ready to catch its prey

Hypsilophodon foxii was a relatively small dinosaur

It was a shark that was wider than it was long

durante el Maastrichtiense del Cretácico Superior

Lythronax argestes Variant:Unprimed Spinosaurus had a morphology adaptedLythronax 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