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
  • Weighed: 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 thyreophoran.
  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 to 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, its plates and spiked tail were a great for defense.
  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.

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Additional Resources on Stegosaurus