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Tyrannosaurus ( Osborn, 1905; il cui nome significa lucertola tirannica [1] ), spesso abbreviato in T. rex (diminutivo scientifico) o colloquialmente T-Rex, è un genere estinto di dinosauro teropode tyrannosauride vissuto nel Cretaceo superiore, in quello che oggi è il Nordamerica, che a quell'epoca era un continente isolato nominato Laramidia.
Tyrannosaur arms are short when compared to other known predators. Horner argues that the arms were too short to make the necessary gripping force to hold on to prey.
tyrannosaur, any of a group of predatory dinosaurs that lived from the late Jurassic Period (about 150 million years ago) to the end of the Cretaceous Period (about 65 million years ago), at which time they reached their greatest dominance.
The hadrosaur remains are scattered and bear many marks from tyrannosaur teeth, indicating that the Daspletosaurus were feeding on the hadrosaurs at the time of death. The cause of death is unknown. Currie speculates that the daspletosaurs formed a pack , although this cannot be stated with certainty. [61]
18 apr 2024 · Cretaceous Period. Tyrannosaurus. On the Web: Australian Museum - Dinosaur - Tyrannosaurus rex (Apr. 17, 2024) Tyrannosaurus rex, ( Tyrannosaurus rex ), species of predatory dinosaurs that lived during the end of the Cretaceous Period (about 66 million years ago) known from fossils found in the United States and Canada dating to ...
2 apr 2014 · With a massive body, sharp teeth, and jaws so powerful they could crush a car, this famous carnivore dominated the forested river valleys in western North America during the late Cretaceous period...
The tiny arms. Almost everything about Tyrannosaurus rex indicates the enormous power of one of the largest theropod dinosaurs that ever existed. The first skeleton of Tyrannosaurus rex was discovered in 1902 in Hell Creek, Montana, by the Museum's famous fossil hunter Barnum Brown.
