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sometime during the jurasic period
Daren Crona
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∙ 11y agoTriceratops fossils date to between 68 and 65.5 million years ago, so they existed for about 2.5 million years. Considering how successful and common they were, Triceratops probably would have existed for million of years longer if it weren't for the K-T Extinction Event.
Wiki User
∙ 13y agoAn 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. That means that the T-rex existed for 2.5 million years.
Wiki User
∙ 7y agoT-Rex existed since the beginning of Cretaceous. They roamed the earth for 73 million years from 137 million years ago to 65 million years ago.
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What does the earth looks like with the T-Rex alive?
How do i know the T-rex isn't alive.
Is there a T-Rex living on earth?
No. T. rex has been extinct for over 65 million years.
What were the first dinosaurs to exist on earth?
T-rex
How did a t-rex come to earth?
late 1000
Was the t rex the biggest dinosaur ever to walk the earth?
no
Are t-rex true?
Yes, there were once Tyrannosauruses on Earth.
Where did Tyrannosaurus Rex roam?
Tyrannosaurus Rex mostly would roam near trees for cover, and would roam in the open to eat or attack.
When did the first T-Rex appeared on earth?
T-Rex is the short form on Tyrannosaurus. The first T-Rex appeared on earth during the early Cretaceous about 137 million years ago. "T-Rex" means the king of the dinosaurs. They were carnivorous and mainly eat smaller dinosaurs.
When did t rex inhabit the earth?
T-rex existed during the end of the Maastrichtian stage of the Cretaceous period. That was about 66 - 65.5 million years ago. They died out during the K-T extinction event.
What is the longer name for T Rex?
T. rex is short for Tyrannosaurus rex.
What type of organism is a T-Rex?
'Tyrannosaurus Rex' means King of the Tyrant Lizards, so that in itself gives a vague description on what sort of animal it was. T-Rex was a dinosaur that lived approximately 65 million years ago and was possibly the second largest carnivorous dinosaur to ever walk the Earth.
Who is stonger T-Rex or Spinosaurus?
T-Rex
