Tyrannosaurus rex Dinosaur Facts

Dinosaur Jungle

Dinosaur Crosswords

Dinosaur Facts
   Amazing Dinosaurs
   Family Tree
   Life Span
   Living Dinosaurs?
      Triassic Period
      Jurassic Period
      Cretaceous Period
      African Dinosaurs
      Antarctic Dinosaurs
      Asian Dinosaurs
      Australian Dinosaurs
      European Dinosaurs
      Indian Dinosaurs
      N. American Dinosaurs
      S. American Dinosaurs

Dinosaur Jokes

Dinosaur Museums
   Australia Dinosaur Museums
   Canada Dinosaur Museums
   UK Dinosaur Museums
   USA Dinosaur Museums

Dinosaur Names

Dinosaur Pictures

Dinosaur Scientists
   Charles Darwin
   Mary Anning
   Sir Richard Owen
   More Dinosaur Scientists

Dinosaur Types
   Tyrannosaurus Rex
   More Dinosaur Types

Dinosaur Word Search

Other Prehistoric Animals
   Mammal-like Reptiles
   Meganeura Monyi
   Sea Scorpions
   Spiny Sharks
   More Prehistoric Animals

Dinosaur Links
   Dinosaur Coloring
   Dinosaur Hangman
   Dinosaurs News
   Dinosaurs Parks

Education - Math Downloads
   Fun With Figures
   Making Math More Fun
   Math Bingo
   Math Riddle Book
   Download Math eBooks

Education - Reading Downloads
   Child Learning Reading
   Dolch Sight Words
   Phonics Bingo
   Robot Reading Games
   Sight Word Bingo

Education - Science Downloads
   24 Hour Science Projects
   Super Science Fair Projects
   Download Science eBooks


Dinosaur Jungle   >   Dinosaur Names   >   Tyrannosaurus rex
Dinosaur Jungle   >   Dinosaur Types   >   Tyrannosaurus rex


Tyrannosaurus rex

dinosaur picture Tyrannosaurus rex

Click here for more Tyrannosaurus rex Pictures

Scientific Classification
  Kingdom Animalia
  Phylum Chordata
  Class Sauropsida
  Superorder Dinosauria
  Order Saurischia
  Suborder Theropoda
  (unranked) Coelurosauria
  Superfamily Tyrannosauroidea
  Family Tyrannosauridae
  Genus Tyrannosaurus
  Species Tyrannosaurus rex
Tyrannosaurus rex was a large Theropod dinosaur. The animal was a carnivore (meat-eater), and lived in North America and Asia during late Cretaceous period, about 67 to 65 million years ago. It was one of the last dinosaurs, and probably went extinct during the the Cretaceous-Tertiary mass extinction.

An average Tyrannosaurus was about about 39 feet (11.9 meters) long, up to 20 feet (6.1 meters) tall, and weighed around 7 tons. Until the mid-1990s, it was generally thought that Tyrannosaurus was the largest land predator ever. Then, scientists discovered Giganotosaurus which lived was a 45 feet (13.8 meter) long carnivore that lived in Argentina about 100 million years ago. New research, first published in 2006, now suggests that Spinosaurus may have been even larger still: upto 51 feet (17 meters) long.

Since the 1960s, some scientists have argued that Tyrannosaurus was not a fearsome predator, but a slow-moving scavenger, that fed on carcasses killed by other carnivores. However, other scientists argue that the possibility of binocular vision (Tyrannosaurus rex has two forward facing eyes), and the relatively large areas of the brain associated with sight and smell, suggest it must have been an active predator.

Tyrannosaurus rex arm bones:
Tyrannosaurus rex arm bones

The name Tyrannosaurus rex was chosen by Henry Fairfield Osborn in 1905, and like most scientific names of animals is derived from Ancient Greek. "Tyrannosaurus" means "tyrant lizard", "rex" means "king", and hence in combination "Tyrannosaurus rex" means "tyrant king lizard".

Tyrannosaurus rex skull:
Tyrannosaurus rex skull


Tyrannosaurus rex Timeline:

Tyrannosaurus rex was a carnivore (meat-eater) that lived from 67 to 65 million years ago

Tyrannosaurus rex was a carnivore (meat-eater) that lived from 67 to 65 million years ago

Related Information & Resources

Related Web Sites See Also

Tyrannosaurus rex Facts

Here is a summary of some of the key facts about Tyrannosaurus rex:
  1. Tyrannosaurus rex was a species of dinosaur.

  2. "Tyrannosaurus rex" means "tyrant lizard king". This name was chosen by Henry Fairfield Osborn in 1905.

  3. Tyrannosaurus rex was a member of the Saurischia ("lizard-hipped") order of dinosaurs. What this means, is that although Tyrannosaurus rex was not closely related to lizards, it did have similarly shaped pelvic bones.

  4. Tyrannosaurus rex was a Theropod - a member of a group of related bipedal dinosaurs that included the ancestors of birds (although Tyrannosaurus rex was not itself an ancestor of birds).

  5. Tyrannosaurus rex lived between about 67 million years ago and 65 million years ago, during the late Cretaceous period.

  6. Tyrannosaurus rex was one of the dinosaurs which died out during the Cretaceous-Tertiary mass extinction at the end of the Mesozoic Era.

  7. Tyrannosaurus rex lived in North America and Asia.

  8. Tyrannosaurus rex was a carnivore (meat-eater).

  9. Some scientists think that Tyrannosaurus rex was probably a scavenger, but others think it was an active predator.

  10. Tyrannosaurus rex was about 39 feet (11.9 meters) long, and about 20 feet (6.1 meters) tall.

  11. Tyrannosaurus rex weighed about 7 tons.

24 Hour Science Projects

Discuss This Page

Please feel free to post your comments:

Linking to This Page

We do hope that you find this site useful. We welcome people linking to this website or citing us.

The URL of this web page, is:

If you want to link to this web page from your own web site, you can use the following HTML code:

You are also very welcome to tell your friends about us on Facebook:
Making Math More Fun - Math Games Package


DinosaurJungle.com is
Copyright © 2006-2015, Answers 2000 Limited

Disclosure: Our company's websites' content (including this website's content) includes advertisements for our own company's websites, products, and services, and for other organization's websites, products, and services. In the case of links to other organization's websites, our company may receive a payment, (1) if you purchase products or services, or (2) if you sign-up for third party offers, after following links from this website. Unless specifically otherwise stated, information about other organization's products and services, is based on information provided by that organization, the product/service vendor, and/or publicly available information - and should not be taken to mean that we have used the product/service in question. Additionally, our company's websites contain some adverts which we are paid to display, but whose content is not selected by us, such as Google AdSense ads. For more detailed information, please see Advertising/Endorsements Disclosures

Our sites use cookies, some of which may already be set on your computer. Use of our site constitutes consent for this. For details, please see Privacy.

Contact Us   Privacy   Terms Of Use   Advertising/Endorsements Disclosures