Tyrannosaurus rex scaly skin WASN'T covered in feathers. Unlike its fluffy ancestors, Tyrannosaurus rex lost all its feathers because it was too warm. According to controversial new fossil evidence, the dinosaur instead had scaly skin, much like a reptile. Researchers believe T- rex may have lost its feathers due to its large size and because it no longer needed insulation. The study seems to rescue the giant lizard's reputation as a fearsome killer with a rough- and- tough hide - although not all scientists are convinced. Scroll down for video Researchers studied skin patches of the neck, pelvis and tail of a T. Houston Museum of Natural Science, as well as samples from four other members of the extended tyrannosaurid family. WHAT DID THEY FIND?
The team concluded that 'extensive feather coverings' in tyrannosaurids - which lived much earlier - were already lost in the common forefather of T. Late Cretaceous began.
The data provides 'compelling evidence' of an entirely scaly covering for T. Royal Society journal Biology Letters.
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This suggested, in turn, 'that most (if not all) large- bodied tyrannosaurids were scaly and, if partly feathered, these were limited to the dorsum (back),' they wrote. The study begged the question of why - after T. Rex's ancestors evolved feathers from an even more ancient scaly forebear - the giant tyrannosaurs reverted back to scales.
Paleontologists believe the first birds appeared 1. For the new study, an international team of scientists led by the University of New England tracked down museum samples of skin from T. These included skin patches of the neck, pelvis and tail of a T. Baker, Montana which is now at the Houston Museum of Natural Science, as well as samples from four other members of the extended tyrannosaurid family. That group roamed the planet during the Late Cretaceous, which extended from 9. Earth and wiped out all land- dwelling dinos. The team concluded that 'extensive feather coverings' in tyrannosaurids - which lived much earlier - were already lost in the common forefather of T.
Late Cretaceous began. The data provides 'compelling evidence' of an entirely scaly covering for T. Royal Society journal Biology Letters.'Our discovery of fossilised scaly skin similar to that of modern reptiles on the bodies of a wide variety of tyrannosaur species (including T. The data provides 'compelling evidence' of an entirely scaly covering for T. Royal Society journal Biology Letters NOT EVERYONE IS CONVINCED Some researchers say they are not convinced by the results of the study. Dr Steve Brusatte of the University of Edinburgh told the BBC he wouldn't be surprised if T. But I don't think we can assume that T.
It takes inconceivable good luck to preserve feathers in fossils. Just because we don't see them doesn't mean they weren't there. So I don't think we need to throw out the image of a big fluffy T. Watch The Last Letter Online. This suggested, in turn, 'that most (if not all) large- bodied tyrannosaurids were scaly and, if partly feathered, these were limited to the dorsum (back),' they wrote. The study begged the question of why - after T.
Rex's ancestors evolved feathers from an even more ancient scaly forebear - the giant tyrannosaurs reverted back to scales. Palaeontologists believe the first birds appeared 1. Researchers studied skin patches of the neck, pelvis and tail of a T. Baker, Montana which is now at the Houston Museum of Natural Science. The first dino feathers were simple hollow shafts, which evolved over time into something resembling their modern shape, engineered for flight. Some researchers say they are not convinced by the results of the study. Dr Steve Brusatte of the University of Edinburgh told the BBC he wouldn't be surprised if T. But I don't think we can assume that T. It takes inconceivable good luck to preserve feathers in fossils.
Just because we don't see them doesn't mean they weren't there. So I don't think we need to throw out the image of a big fluffy T.
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