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You are here News Science Most complete tyrannosaur fossil in Southwest excavated in Utah

Most complete tyrannosaur fossil in Southwest excavated in Utah

Tyrabbisaur foccil found in UtahPaleontologists have completed the excavation of a 76 million-year-old tyrannosaur fossil in southern Utah. With approximately 75 percent of the dinosaur's bones preserved, the fossil is the most complete tyrannosaur skeleton recovered from the American Southwest.

The fossil took a total of five weeks -- and roughly 2,000 to 3,000 people-hours -- to excavate, three weeks in May and two weeks in October.

"By the end of the second week, we had exposed enough to show that nearly all of the skeleton was still in the rock," Randall Irmis, an associate professor of geology and geophysics at the University of Utah, told UPI.

Irmis is also the curator of paleontology at the Natural History Museum of Utah, where the fossil is now housed. In the lab, scientists will begin removing the rest of the rock from the fossilized bones.



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