Quelle est la différence entre un tyrannosaure et un T-rex ?

Quelle est la différence entre un tyrannosaure et un T-rex ?

Le 'roi des dinosaures' a évolué à partir d'un groupe plus important de tyrannosaures qui étaient plus petits et plus rapides. Alors que le T. Rex est apparu il y a environ 68 millions d'années, ses ancêtres tyrannosaures étaient 100 millions d'années plus vieux que cela.

Quel etait la durée de vie d'un T-rex ?

30 ans Tyrannosaure/Espérance de vie Les Tyrannosaurus rex devaient vivre jusqu'à 25 ou 30 ans, alors que les dinosaures de type Brontosaure, herbivores de 30 tonnes, devaient atteindre l'âge de 80 ans.

Quel a été le premier dinosaure découvert ?

Par exemple, les premiers fossiles de dinosaure sont connus depuis des millénaires par les chinois, mais ils pensaient que c'étaient des os de dragons. Ce fut le géologue anglais Gideon Mantell qui en 1822 découvrit les os d'un dinosaure qu'il appela Iguanodon.

How much do you know about the Tyrannosaurus?

• Read on to learn about the Tyrannosaurus. While no one has seen this species in person, scientists have a decent estimation of the overall appearance of Tyrannosaurus. Based on fossilized specimens, the scientists estimate that T-rex stood approximately 12 ft. tall at the hip, and grew about 40 ft. long.

Where can I see a preserved Tyrannosaurus rex?

• A preserved Tyrannosaurus rex skull on display at Berlin's Natural History Museum. Please be respectful of copyright. Unauthorized use is prohibited. Named the “king of the tyrant lizards,” T. rex was built to rule. Find out how these dinosaurs lived, what made them so vicious, and what we’re still learning about them today.

How old was sue the Tyrannosaurus rex when she died?

• A study of this specimen's fossilized bones showed that Sue reached full size at age 19 and died at the age of 28, the longest estimated life of any tyrannosaur known. Another Tyrannosaurus, nicknamed Stan (BHI 3033), in honor of amateur paleontologist Stan Sacrison, was recovered from the Hell Creek Formation in 1992.

What is a Tyrannosaurus rex?

• Tyrannosaurus rex was one of the most ferocious predators to ever walk the Earth. 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, 68 million years ago.