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Scientists identify oldest T. rex relative

By Super Admin
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Google Oneindia News

London, November 4 (ANI): Scientists have identified the most ancient fossil relative of the predatory dinosaur Tyrannosaurus rex.

According to a report by BBC News, the new addition to T. rex's clan is known from a 30cm-long skull uncovered during excavations in Gloucestershire in the 1900s.

The well-preserved fossil is now held in London's Natural History Museum.

A British-German team has now uncovered evidence linking it to what may be the most famous dinosaur family of all.

The dinosaur, named Proceratosaurus, lived about 165 million years ago, during the middle Jurassic Period.

The two-legged, meat-eater would have measured about 3m long and weighed up to 50 or 60kg.

The palaeontologists used computed tomography (CT) techniques to generate a 3D image of the delicate skull to investigate its internal structure in meticulous detail.

"This is a unique specimen. It is the only one of its kind known in the world," Dr Angela Milner, associate keeper of palaeontology at the Natural History Museum, told BBC News.

"It was quite a surprise when our analysis showed we had the oldest known relative of T. rex," she added.

Dr Milner said that despite obvious differences between the skulls of Proceratosaurus and T.rex - such as their divergent sizes - the two shared many similarities.

"If you look at the animal (Proceratosaurus) in detail, it has the same kinds of windows in the side of the skull for increasing the jaw muscles," she told BBC News.

"It has the same kinds of teeth - particularly at the front of the jaws. They're small teeth and almost banana-shaped, which are just the kind of teeth T. rex has," she said.

"Inside the skull, which we were able to look at using CT scanning, there are lots of internal air spaces. Tyrannosaurus had those as well," she added.

Although it has attracted much interest because of its exquisite preservation, it has not been closely studied until now, thus, its link to the tyrannosaurs remained undiscovered.

"This is still one of the best-preserved dinosaur skulls found in Europe," said co-author Dr Oliver Rauhut from the Bavarian State Collection for Palaeontology and Geology in Munich.

"It is really surprising that it has received so little attention since its original description," he added. (ANI)

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