Tyrannosaurus

Meaning:

means tyrant dinosaur

Size:

up to 12 metres long, 6 metres high

Weight:

up to 6000 kg

Diet:

flesh (carnivorous)

When:

70 million years ago (Upper Cretaceous)

Where:

North America

  • Grew at same rate as African elephants
  • Reached full size in 20 years
  • Scientists debating whether they hunted prey or scavenged on found carcasses
  • Adults probably fought each other (teeth found in skulls)
  • More than one species of Tyrannosaurus found
  • Short arms too small to reach their mouth
  • Bite force was 170 times stronger than a human’s bite
  • Could possibly only walk o r run very slowly
  • Probably walked on straight legs
  • Not the largest carnivorous dinosaur found

http://www.questacon.edu.au/terrorsaurus/triceratops.html http://www.questacon.edu.au/terrorsaurus/maiasaura.html http://www.questacon.edu.au/terrorsaurus/apatosaurus.html http://www.questacon.edu.au/terrorsaurus/stegosaurus.html http://www.questacon.edu.au/terrorsaurus/tyrannosaurus.html