Technology Tyrannosaurus rex had scaly skin and wasn’t covered in feathers, a new study says

05:25  07 june  2017
05:25  07 june  2017 Source:   MSN

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The new research "shows without question that T . rex had scaly skin ," study author Phil Bell, a paleontologist at Australia's University of New England, said in an email to The Washington Post.

The new research “shows without question that T . rex had scaly skin ,” study author Phil R. Bell, a paleontologist at Australia's University of New England, said in an email to The Washington Post.

Scales from the neck of a T. rex. © Courtesy Peter Larson/Bell et al. Biol. Lett. Scales from the neck of a T. rex.

Tyrannosaurus rex  was an odd animal, a predator with teeth the size of bananas, a massive head and tiny arms. Given that many dinosaurs had feathers, could T. rex have been even weirder — a giant carnivore with a downy coat?

A new study in the journal Biology Letters crushes any tyrant chicken dreams: T. rex was covered in scales. The new research “shows without question that T. rex had scaly skin,” study author Phil R. Bell, a paleontologist at Australia's University of New England, said in an email to The Washington Post.

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Tyrannosaurus rex had scales , not feathers , said a study Wednesday which rescues the giant lizard's reputation as a fearsome killer with a The data provides "compelling evidence" of an entirely scaly covering for T . rex , the team wrote in the Royal Society journal Biology Letters.

When T . Rex Meets Triceratops in the New Dino Hall, It Will Be a Violent Affair. “It could be something that has to do with feathers in the skin itself changing the texture and the resistance of skin , which perhaps made it more likely to degrade than ‘typical’ scaly skin ,” says Mary Schweitzer

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When T. rex first appeared in pop culture, as in 1918 film “The Ghost of Slumber Mountain,” the dinosaur had wrinkled skin and stood upright, dragging its tail. Scientists began dismantling this reptilian misconception in the late 1960s, and in 1993's “Jurassic Park,” a fairly accurate, horizontal T. rex menaced the silver screen.

The dino image changed again in the past few decades, as evidence for feathered species accumulated. Two tyrannosauroids, Dilong and Yutyrannus — relatives that predated T. rex by some 50 million years — were covered in feathers. As for T. rex, artists drew ferocious and fluffy concept art. One museum gave its animatronic T. rex plumage.

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Tyrannosaurus rex fossils have been found in the following formations They say Tyrannosaurus had a "sizeable investment in locomotive muscle among theropods." Dilong, a small 1.6 m theropod, was found to be covered in protofeathers; the " feathers " looked like hair like strands (Xu X. et al 2004).

As is clear in the results, the Saurian T . rex has become incredibly popular, and the pattern of feathers they have adopted has become something of “Wyrex”, an undescribed Tyrannosaurus rex missing much of it’s tail was recovered with one or more patches of scaly skin from near the underside of the

But this was putting the quill before the fossil. “With all the hype about feathered theropods, it's easy to forget that actually most dinosaurs had scaly, reptilian-like skin,” Bell said. (Theropod dinosaurs included tyrannosaurs and many other two-legged dinosaurs as well as bird ancestors.)

Bell and his colleagues examined skin from T. rex and four relatives from fairly late in tyrannosaur history: AlbertosaurusDaspletosaurus, Gorgosaurus and Tarbosaurus. Tyrannosaur skin is rare, Bell said, in part because paleontologists historically favored smashing through skin to get to bones.

From these skin patches, representing the tyrannosaur abdomen, chest, pelvis, neck and tail, the researchers found nothing but scales. If feathers existed, they did so only along the animals' back or spines.

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>>379332881 bird skin looks kind of scaly if you pluck the feathers though. >>379332881. Article even says t - rex could have had feathers on its spine or head. Way to read your own fucking source.

Just how afraid would you have been if the film’s apex predator was covered in colorful feathers ? But otherwise the franchise has conformed to the stereotype of dinosaurs as scaly , naked, red-eyed monsters. And for an obvious reason: A Tyrannosaurus rex that looked like Big Bird might not have

“This doesn't rule out feathers on even the biggest tyrannosaurs,” said University of London paleontologist David Hone, who was not involved in the research, “but does suggest they lacked a full coat of feathers.”

The scientists propose several hypotheses for why T. rex was not covered in feathers, unlike its earlier relatives. “Probably the sexiest option is gigantism,” Bell said. Feathered Dilong was the size of a large dog. T. rex was about the length of a city bus. “Big animals have trouble shedding excess heat, so being covered in feathers is not a good idea unless you live somewhere cold.” Elephants, for instance, are not as furry as mice.

But Yutyrannus, though not quite as big as T. rex, was no pooch. “The problem here is that we have big tyrannosaurs, some with feathers, some without that live in pretty similar climates,” Bell said. “So what's the reason for this difference? We really don't know.”

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