and his weight ranged from 45 to 70 kilograms

`Different Lizard´) was the most common predatory theropod of the Kimmeridgian and Titionian Ages of the Late Jurassic and also the most dangerous

Pachycephalosaurus (P

although it may also have been a scavenger due to its size and strength

Although its exact function is unknown

Tyrannosaurus Rex juvenile Allosaurus and his weight ranged fromTyrannosaurus (T. rex "Tyrant Lizard") was one of the largest and fiercest dinosaurs that existed on Earth during the Maastrichtian period of the Late Cretaceous, approximately 68 to 66 million years ago in what is now North America. The T Rex is a carnivorous dinosaur that 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