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Tyrannosaurus Rex: Dinosaur Quick Facts


Meaning – Tyrannosaurus rex means “tyrant lizard king”
Named By – Henry Fairfield Osborn
When Named – 1905

What did the Tyrannosaurus Rex eat?

Carnivore (meat-eater) – T. rex ate large dinosaurs, like Triceratops

How big was the Tyrannosaurus Rex?

Length – 40 feet long
Height – 15 to 20 feet tall
Weight – 5 to 7 tons

When did the Tyrannosaurus Rex live?

Late Cretaceous period, about 85-65 million years ago

Where did the Tyrannosaurus Rex live?

Fossil have been found in MontanaTexasUtah, and Wyoming in the United States, Alberta and Saskatchewan Canada, and east Asia Mongolia.

Where have fossils from the Tyrannosaurus Rex been found?

What was Found – About 30 incomplete T. rex fossils have been found. One T. rex footprint has been found, in an undisclosed location in New Mexico, USA. Fossilized T.rex dung has also been found.
Who Found the Fossils – The first T. rex was first found by Barnum Brown in 1902.
Where – The first T. rex was found in Hell Creek, Montana, USA, North America.

What is the classification of the Tyrannosaurus Rex?

Kingdom Animalia
Phylum Chordata
Class Archosauria
Order Saurischia
Suborder Theropoda
Infraorder Coelurosauria
Superfamily Maniraptoriformes
Family Tyrannosauroidea
Genus Tyrannosaurus
Species T. rex

Interesting facts about the Tyrannosaurus Rex

Tyrannosaurus rex’s arms were only about 3 feet long, and it had 2-fingered hands.
T. rex had cone-shaped, serrated teeth that were continually replaced.