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When did T Rex live on Earth?

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The new bone came from a dinosaur that lived earlier in the Cretaceous period (around 110 million years ago)than the T. Rex (who lived around 70 million years ago). During this time the continents gradually went from a single supercontinent towards something like we have today. read more

An individual T-rex had a lifespan of just under 30 years. The T-rex species appeared about 68 million years ago (mya) and lasted until 65.5 mya. read more

Measurements of Sue suggest T. rex was one of the largest carnivorous dinosaurs to ever live, coming in at up to 13 feet (4 meters) tall at the hips (the beast's highest point since it did not stand erect) and 40 feet (12.3 m) long. read more

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Further Research

Tyrannosaurus Rex: The King of Dinosaurs
www.exploringlifesmysteries.com

When Did the Dinosaurs Live?
www.factmonster.com