Dilophosaurus is a moderately sized ceratosaur with a four-fingered hand and a curious notch in its upper jaw.

Its most outstanding characteristic was a pair of semi-circular plates that grew on top of its head. They are quite thin and were probably used for signalling or display.

Dino Facts

  • Pronounced: die-LOF-oh-SAWR-us
  • Means: double-crested lizard
  • Size: 20 ft (6 m)
  • Where: North America (Arizona), Asia (China)
  • When: Early Jurassic
  • Diet: Carnivorous