Tyrannosaurus Rex juvenile Cryodrakon gigas `Giant Dragon´) is the

gigas `Giant Dragon´) is the only species of the extinct genus Meraxes

Approximate measurements of the Argentinosaurus:

as well as other smaller predators

aproximadamente hace entre 270 y 260 millones de años

Tyrannosaurus Rex juvenile Cryodrakon gigas `Giant Dragon´) is theTyrannosaurus (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