| Class: | Reptile |
| Origin: | western North America and in Mongolia |
| Size: | 40 feet (12.4 m) long and about 15 to 20 feet (4.6 to 6 m) tall |
| Weight: | 5 to 7 tons |
| Diet: | meat-eater |
| Lifespan: | estimated 30 years |
| Series: |  |
Tyrannosaurus Rex means 'Tyrant Lizard'.
The largest T-Rex tooth found is 12 inches (30 cm) long.
A T-Rex could sprint an estimated 20 mph (32 kph).
T-Rex arms were only 3 feet long, very small relative to its body
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