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The world’s largest Tyrannosaurus rex discovered by Canadian paleontologists

The towering and scarred ‘Scotty’ reported by the University of Alberta paleontologists is the world’s largest Tyrannosaurus rex.
(Amanda Kelley)

That is a giant dinosaur.

Paleontologists from the University of Alberta recently reported the world’s largest Tyrannosaurus rex, the largest dinosaur skeleton ever found in Canada.

The huge dinosaur, which is 42 metres long and had a weight of 19,400 pounds, roamed prehistoric Saskatchewan 66 million years ago and was the nickname of Scotty.

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“This is the rex of rexes,” Scott Persons, lead author of the study and a postdoctoral researcher in the Department of Biological Sciences, said in a press release. “There is considerable size variation between Tyrannosaurus. Some people were lankier than others, and some were more robust. Scotty is illustrative of the robust.”

The dinosaur, which earned the nickname for the celebratory bottle of Scotch that was consumed the evening it was found, has legs that suggest it was larger than all other carnivorous dinosaurs.

According to a press release from the University of Alberta, the skeleton was first discovered in 1991, but the hard sandstone that encased the bones took more than a decade to remove, and scientists have only now been able to study Scotty fully assembled and realize how special it is.

“Scotty is the oldest T. rex known,” said Persons. “I mean, it would have had the most candles on her last birthday cake. You can get an idea of how old a dinosaur is by cutting into the bones, and the study of the growth. Scotty is all old growth.”

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Researchers estimate that Scotty was only in the beginning of the years ‘ 30, when it died.

“By Tyrannosaurus standards, he had an extraordinarily long life. And it was a violent one,” People added. “Riddled about the skeleton are pathologies of the places where scars bone records major injuries.”

A new exhibition with Scotty is set to open in May at the Royal Saskatchewan Museum.

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