Scientists in China have discovered the earliest ancestor of Tyrannosaurus rex. The animal, called Guanlong wucaii, was about 10 feet long, only one-quarter the size of its famous cousin. It also lived about 90 million years before T. rex.

The skeleton contains some primitive features that were lost in later, more specialized tyranosaurs. This will help scientists understand where T. rex fits in the dinosaur family tree.

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Anonymous says:

WOW! that completly blew my mind I mean like wow who even knows all of that. WOW!!!!! you people must have alot of time to do tha wich isn't a good thing. who even doesthat it is just sooooo weird.

posted on Sat, 11/10/2007 - 4:51pm

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