Longitud 124 mm

This crest is believed to have been used for visual display during courtship and territory defense

from plains to forest areas

Utahraptor was between 5 and 6 meters long

Silesaurus opoliensis is believed to have been quadrupedal and probably spent most of its time on land

Tyrannosaurus rex Dorudon Longitud 124 mmTyrannosaurus (T. rex "Tyrant Lizard") was one of the largest and most ferocious dinosaurs to exist on Earth during the Late Cretaceous Maastrichtian period, approximately 68 to 66 million years ago in what is now North America. The T Rex is a carnivorous dinosaur, which could measure up to 12 meters long and weigh around 7 tons. It had a large nasal opening, a short, strong snout, and a jaw with more than 50 razor sharp teeth, which could measure up