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Here is the place to find facts and information about its size, habitat, diet and more!
Stegosaurus Fast Facts
You pronounce their name 'steg-uh-sawr-us'.
The meaning of Stegosaurus is 'roofed lizard'.
They lived in the Late Jurassic/Early Cretaciaous Period.
Stegosaurus had brains the size of ping pong balls.
Their length was up to 9 meters (30 feet)
They were 4 meters (14 feet) tall.
They weighed 2 tonnes (about an average American car).
More Dinosaur Details
Stegosaurs lived about 150 million years ago. The first fossil was discovered by Professor Othniel Marsh in 1877. The large, bony plates he found on its back reminded him of roof tiles - so the name he gave it means 'roofed lizard'.
Some of the bony plates can be very large - over 1 meter (3 feet) high. Scientist are not sure how how the plates lay - or what they were for. Some believe they were for defence, but others that they may have acted as a way of controlling temperature.