1001
Space
Earth
Nature
Evolution
Fossils and Prehistoric Life
Simple Animals
Insects and Spiders
Fish
Amphibians
Reptiles
Birds
Sea Mammals
Land Mammals
Plant Kingdom
How Plants Live
Unusual Plants
Ecology
Conservation
Animal Behaviour
Pets and Farm Animals
History
Human World
Science and Technology
Back Home
How long did dinosaurs rule the earth?
Dinosaurs first appeared on earth about 200 million years ago. They became the dominant life-forms, until their sudden extinction at the end of the Cretaceous Period about 65 million years ago.
Related Image
A diagram detailing Earth's history
 
Previous:
Back
Book:
1001
Section:
Nature
Chapter:
Dinosaurs