A Picture of a Stegosaurus

Stegosaurus Facts

  • Species Type: Stegosaurus stenops
  • Type of Dinosaur: Thyreophora
  • Period: Late Jurassic
  • Diet: Foliage (herbivorous)
  • Life Span: 75 to 100 years (roughly)
  • Length: Up to 29 feet
  • Weight: 5 to 7 tons

13 Stegosaurus Facts for Kids

  1. The Stegosaurus was discovered in 1877 by Othniel Charles Marsh in Colorado.
  2. The name Stegosaurus means: Roof Lizard.
  3. The name Stegosaurus is pronounced: "STEG-uh-SAWR-us".
  4. The Stegosaurus was part of a group of dinosaurs known as thyreophorans.
  5. They lived during the Late Jurassic period about 153 to 154 million years ago.
  6. Estimates put the weight of a Stegosaurus between 5 and 7 tons.
  7. Estimates put the length of a Stegosaurus up to 29 feet.
  8. The Stegosaurus was a herbivore who ate foliage near the ground.
  9. The Stegosaurus wasn’t an easy meal for predators. The plates and spiked tail of a Stegosaurus were a excellent way to defend its against predators.
  10. The brain of a Stegosaurus was the size of a walnut.
  11. Paleontologists call the Stegosaurus's spiked tail a Thagomizer, based on a 1982 Far Side cartoon.
  12. The Stegosaurus, Tyrannosaurus Rex and Iguanodon were the inspiration used to create Godzilla.
  13. The Stegosaurus is the state dinosaur of Colorado.

Additional Resources on Stegosaurus