Dinosaurs
by Period

 

Period

Dinosaurs lived during the Mesozoic Era (from 248 to 66.4 million years ago). The Mesozoic Era is divided as follows:

  • The Triassic
    • Early (248 to 235 million years ago)
    • Late (235 to 208 million years ago)
  • The Jurassic
    • Early (208 to 178 million years ago)
    • Middle (178 to 157 million years ago)
    • Late (157 to 144 million years ago)
  • The Cretaceous 
    • Early (144 to 97 million years ago)
    • Late (97 to 66.4 million years ago).

 Dinosaurs first appeared in the Late Triassic Period. 

Select a period to see which dinosaurs lived at that time:

Dinosaur terms Return to the Dinosaur Database




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