triassic period jurassic period cretaceous period dinosaurs of north america
TRANSCRIPT
Triassic Period
Jurassic Period
Cretaceous Period
Dinosaurs of North America
Plant Eaters
* Anchisaurus
Lived in eastern USA
*Massospondylys
Lived in Arizona
Meat Eaters
* Coelophysis
Lived in western USA
* Dilophosaurs
Lived in Arizona
*Triassic Period
248 to 206 Million Years Ago
Plant Eaters
*Stegosaurs
Lived in western USA
*Diplodocus
Lived in western USA
Meat Eaters
*Allosaurus
Lived in western USA
*TorvosaurusLived in Colorado and Wyoming
*Jurassic Period
206-145 Million Years Ago
Plant Eaters
* Iguandon Lived in western USA
*Ankylosaurus Lived in western North America
Meat Eaters
*Troodon Lived in western North America
*Tyrannosaurus Rex Lived in western North America
*Cretaceous Period
144 to 65 Million Years Ago