Dinosaur time gap

Did T. rex and Smilodon live at the same time?

No. Tyrannosaurus (Late Cretaceous) and Smilodon (Pleistocene) are separated by 66 million years.

Smilodon to you: 0.0117 million years.

More time separated them than separates Smilodon from you.

Tyrannosaurus

Late Cretaceous · 72–66 million years ago

Named by Osborn, 1905

Fossils from United States, Canada, Russia, 2 more

Silhouette by Fred Wierum

Smilodon

Pleistocene · 0.129 million years ago until about 11,700 years ago

Named by Lund, 1841

Fossils from United States, Argentina, Brazil, 11 more

Smilodon is not a dinosaur.

Silhouette by Ivan Iofrida

Dig from T. rex down to Smilodon →

Between T. rex and Smilodon

Fun Facts

  • Smilodon spans 0.1 million years of rock.
  • Smilodon is known from 130 fossil sites.
  • Smilodon is not a dinosaur.
  • Tyrannosaurus is known from 87 fossil sites.
  • Lambeosaurus and Tyrannosaurus could have met.

Did they live at the same time?

Every animal you can pick →