Dinosaur time gap

Did Apatosaurus and Parasaurolophus live at the same time?

No. Apatosaurus (Late Jurassic) and Parasaurolophus (Late Cretaceous) are separated by 60 million years.

Parasaurolophus to you: 72 million years.

Apatosaurus

Late Jurassic · 155–143 million years ago

Named by Marsh, 1877

Fossils from United States

Silhouette by Elihu Guzmán Arroyo

Parasaurolophus

Late Cretaceous · 84–72 million years ago

Named by Parks, 1922

Fossils from United States, Canada

Silhouette by Richard Rich

Dig from Apatosaurus down to Parasaurolophus →

Between Apatosaurus and Parasaurolophus

  • Barilium Early Cretaceous · 137–133 million years ago
  • Valdosaurus Early Cretaceous · 133–121 million years ago
  • Iguanodon Early Cretaceous · 126–121 million years ago
  • Microraptor Early Cretaceous · 121–113 million years ago
  • Limaysaurus Early Cretaceous · 113–110 million years ago
  • Tenontosaurus Early Cretaceous · 113–101 million years ago
  • Deltadromeus Late Cretaceous · 101–94 million years ago
  • Segnosaurus Late Cretaceous · 101–84 million years ago

Fun Facts

  • Every Apatosaurus fossil here comes from the United States.
  • Parasaurolophus spans 11 million years of rock.
  • Daspletosaurus and Parasaurolophus could have met.
  • Apatosaurus and Diplodocus could have met.

Did they live at the same time?

Every animal you can pick →