Sunday, 12 April 2015

Tyrannosaur Skull Bears Scars of Fierce Dino Battle

by Laura Geggel, Staff Writer | April 09, 2015 10:25am ET

Some 75 million years ago, a towering tyrannosaur may have lit into one of its own species, ripping into its skull and leaving behind jagged scars and deep punctures that have only recently seen the light of day.

The beastly tale comes from paleontologists examining the marred skull of the possible dinosaur victim, which itself was a teenage tyrannosaur. Even so, scientists not involved in this study warrant caution in such interpretations, noting the difficulty of pinning ancient crimes on any one genus without more evidence.

Researchers originally discovered the dinosaur skull in 1994 in Dinosaur Provincial Park in Alberta, Canada. An analysis showed the bones belonged to Daspletosaurus, a genus of tyrannosaur — a group of carnivorous, bipedal dinosaurs with deep jaws and short arms that includes the notorious Tyrannosaurus rex.

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