What is Stegosaurus?
Stegosaurus is an iconic dinosaur that lived for about 10 million years during the Late Jurassic period, from about 155 to 145 million years ago. Stegosaurus was a large armored quadriped herbivore with distinctive kite-shaped plates atop a heavily arched back and a spiked tail. The plates and spikes have been the subject of much speculation. It is thought that the plates helped with thermoregulation while the spiked tail was for defense. Altogether, Stegosaurus had 17 plates and four tail spikes.
