If Triceratops had a metalhead cousin, this dinosaur would be it

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About 67 million years ago, two dinosaurs faced off in a confrontation in what is now Montana before being buried together in a single grave.

It is unclear which dinosaur won the battle. Triceratops horridus and Tyrannosaurus rex each died from battle scars.

The Triceratops fossil first emerged when it eroded from the rock of the Hell Creek Formation in 2006. The T. rex fossil was then seen overlapping.

When commercial paleontologist Mark Eatman found the ...