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.
How do i know the T-rex isn't alive.
No. T. rex has been extinct for over 65 million years.
T-rex
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Yes, there were once Tyrannosauruses 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.
T. rex is short for Tyrannosaurus 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.
T-Rex
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