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Publication History


The double row of bony plates on its back and the cluster of dangerous spikes on its tail made Stegosaurus one of the most distinctive and well-armed creatures that has ever walked the Earth. Other members of the Stegosauridae group have been found in Europe, Asia and Africa.

Vital Statistics

Genus Name: Stegosaurus ("roofed lizard")
Type Species: * S. armatus (Marsh, 1877)
Length: 25-30 feet (8-9 meters)
Weight: 3-5 tons
Time: 155-145 million years ago (Late Jurassic)
Place: Colorado, Utah, Wyoming
Diet: plant-eater (herbivore)

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