Rigby led field crew which unearthed the largest Tyrannosaur specimen ever this summer

by Cynthia Day

A fossilized skeleton believed to be the largest specimen of a Tyrannosaur ever unearthed was found this summer by a field crew headed by J. Keith Rigby, a University of Notre Dame paleontologist. The fossil, which has been only partially excavated, lies in a vast dinosaur graveyard in northeastern Montana near the Fort Peck Reservoir.p.

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