Study: Young T. rex survived nasty scrap with peer

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By The Associated Press

Story Published: Nov 8, 2009 at 7:13 PM MST

Story Updated: Nov 8, 2009 at 7:13 PM MST

HELENA - Talk about a rough day for a young dinosaur. A new study says an adolescent tyrannosaurus found in far southeastern Montana had its face badly bitten, probably by a fellow young dinosaur.

Joe Peterson, a paleontologist at Northern Illinois University, says the snout and skull of the Tyrannosaurus rex have deep puncture wounds consistent with the flesh-tearing teeth of a T. rex. The researchers theorize the attack may have been over a show of dominance or a territorial dispute.

Peterson says the young T. rex survived the scrap and died later for other reasons. The 21-foot skeleton of the dinosaur, nicknamed Jane, was found in 2001 in Carter County and is now at the Burpee Museum of Natural History in Rockford, Ill.

The study results are published in the latest edition of the journal Palaios.

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