Name: T-Rex Timeline
Uploaded: 2019-01-01
Duration: 14 min 23 s
Description: The Tyrannosaurus Rex is known as the king of the dinosaurs, but how did its reign begin? Meet Moros Intrepidus, a 180 lb., deer-sized ancestor to the T-Rex. Learn how the latest in paleontology can now link this small dinosaur to the 19,000-pound Scotty, the largest T-Rex ever discovered.

The Tyrannosaurus Rex is known as the king of the dinosaurs, but how did its reign begin? Meet Moros Intrepidus, a 180 lb., deer-sized ancestor to the T-Rex. Learn how the latest in paleontology can now link this small dinosaur to the 19,000-pound Scotty, the largest T-Rex ever discovered.

See how paleontologists connect tiny Moros intrepidus to Scotty, the largest T. rex ever discovered. This episode traces a 70-million-year gap in the North American tyrannosaur record, revealing how new fossils and fresh analysis are reshaping one of prehistory's most iconic family trees. Sign up to watch the science behind the rise of a king.

From a deer-sized hunter to a giant predator, the tyrant lineage emerges.

T-Rex Timeline

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From a deer-sized hunter to a giant predator, the tyrant lineage emerges.

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From a deer-sized hunter to a giant predator, the tyrant lineage emerges.

Love T-Rex Timeline? It’s just the start.

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Pick the plan that’s right for you.

Frequently asked questions