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Meet Scotty, the new T. Rex heavyweight champion in the world

  Meet Scotty, the new T. Rex heavyweight champion of the world

A cast of Scotty and his huge Chompern.

Credit: Amanda Kelley

The most powerful Tyrannosaurus rex is a giant named Scotty, who lived on Earth some 65 million years ago and weighed 1

955 kilograms. (8,870 kilograms) or about 6.5 Volkswagen Beetle, finds a new study.

Scotty was so massive that he launched Sue, the famous T. rex at the Field Museum of Natural History in Chicago, as a heavyweight champion.

Scotty is about 880 pounds. (400kg) heavier than Sue, "which by human standards is a lot, but not so much when you're dealing with a tyrannosaur," said research scientist Scott Persons, a paleontologist at the University of Alberta. [Gory Guts: Photos of a T. Rex Autopsy]

The researchers originally found Scotty in 1991 near the town of Eastend in Saskatchewan. But it took years for the dinosaur king to be dug up and then prepared, because the rock embedded in the fossils was so "gosh damn hard," people told Live Science. This rock – heavily cemented sandstone that is rich in iron – was part of the French formation, which dates back to the late Cretaceous, about 72 million to 65 million years ago.

T. rexes lived only for the last 2 million years of the Cretaceous, or about 67 million to 65 million years ago.

  Scotty's monstrosity is evident (see paleontologist Scott Parsons).

Scotty's enormity is obvious (see paleontologist Scott Parsons for a scale).

Credit: Amanda Kelley

The researchers were so excited about the find that they celebrated it with a toast. "The only ghost available was on an old bottle of Scotch," Persons said, which inspired her to call the T. rex Scotty. However, it is unclear whether Scotty is male or female, Persons said.

After all the fossils were prepared by Scotty, the researchers found that they had about 65 percent of the skeleton, including the skull, the brain nose (the part of the skull that holds) the brain); the lower jaw; Vertebrae of the neck, back and tail; and parts of the hip, leg and shoulder.

Scotty is not the heaviest dinosaur ever recorded. This honor probably goes to the long-necked Argentinosaurus which according to some estimates could weigh up to 110 tons (100 tons). (The trick of determining the dinosaur mass is a highly controversial issue as there are different methods of calculation, in which case the scientists determined the bulk of Scotty by comparing the proportion of his bones and putting those measurements in a formula, according to Persons. 19659005] While Scotty is the heaviest T. rex in the record, that's not the longest. A T. rex named Stan, who is seen at the Black Hills Institute of Geological Research, stretches from muzzle to tail nearly 12.2 meters. In addition, the most complete known T. rex remains Sue, which is 90 percent completed.

  Scotty's impressive teeth

Scotty's impressive teeth

Credit: Amanda Kelley

But Scotty has other celebrities. For example, it was probably 30 years old, making it the longest T. rex according to a bone analysis by study co-researcher Gregory Erickson, a professor of anatomy and vertebrate paleobiology at Florida State University. Erickson did this by looking at the growth rings in the dinosaur bones (like trees, dinosaur bones put on new rings in old age).

Scotty's bones also preserved the dinosaur's dramatic injuries, all of which healed at the time the dinosaur was healed died. These included a broken jaw, broken ribs and a depressed array of vertebrae that Scotty wore during his "violent and unusually long life," the researchers write in the study.

They added that the "relative scarcity of others just as large and mature" T. rex specimens "indicate that these animals were prone to dying before they exceeded the threshold of 8.8 tonnes (8 tonnes)

Scotty will be publicly screened this May at the Royal Saskatchewan Museum in Regina, Saskatchewan The study was published online on March 21 in the journal The Anatomical Record.

Originally published on Live Science [19659024].

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