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Brontosaurus excelsus
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Brontosaurus dino name is revived

The iconic name Brontosaurus, once used to describe a family of huge dinosaurs, has been resurrected after being killed off more than a century ago.
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Stegosaurus
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London's 'Sophie' Stegosaurus gives up body weight

Scientists have worked out the body mass of the world's most complete Stegosaurus.
London's Natural History Museum recently acquired a specimen with 80% of its skeleton intact, and finds its weight in life to have been about 1.6 tonnes.

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RE: Dinosaurs
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Mystery of dinosaur with giant arms solved

A dinosaur mystery that has baffled palaeontologists for 50 years has finally been solved.
In the 1960s, researchers unearthed two gigantic dinosaur arms. For decades, scientists have speculated about what kind of beast they belonged to.

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Paleontologists discover new species of titanosaurian dinosaur in Tanzania

Paleontologists have identified a new species of titanosaurian, a member of the large-bodied sauropods that thrived during the final period of the dinosaur age, in Tanzania.
Although many fossils of titanosaurians have been discovered around the globe, especially in South America, few have been recovered from the continent of Africa.

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'Dreadnought' dinosaur yields big bone haul

Scientists say they have 70% of the key bones needed to fully describe the creature, Dreadnoughtus schrani.
It means they can confidently estimate its great bulk - a beast that measured 26m from head to tail and weighed in at almost 60 tonnes.
Remarkably, the skeletal analysis reveals Dreadnoughtus was still growing at the time of its death.
Quite how large the dino might have become, no-one can say.

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Dreadnoughtus schrani
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At 60 tons, the newly named "Dreadnoughtus" is the most complete of the giant titanosaurs yet found.
After nine years of excavation and study, paleontologists have unveiled one of the largest creatures ever to walk the Earth. The most complete skeleton of a giant titanosaur will provide new insights into how these giants lived large.
The new dinosaur is named Dreadnoughtus schrani, a reference to the armored battleship and a tribute to the dinosaur's perceived fearlessness. Details on the dinosaur are announced Thursday in the journal Scientific Reports.

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RE: Dinosaurs
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'Bad luck' ensured that asteroid impact wiped out dinosaurs

Dinosaurs were wiped out by an asteroid impact when they were at their most vulnerable, according to a new study.
Dr Steve Brusatte, of Edinburgh University, said sea level rises and volcanic activity had made many species more susceptible to extinction.
They might have survived if the asteroid had hit the Earth a few million years later or earlier, he said, calling it "colossal bad luck".

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Laquintasaura venezuelae
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Scientists from the University of Zurich and The Natural History museum have discovered a previously unknown species of dinosaur.
Laquintasaura venezuelae, named after the country in which it was discovered, lived more than 200 million years ago.

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RE: Dinosaurs
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Dinosaurs 'neither warm nor cold blooded'

Scientists compared the growth rates of hundreds of living and extinct species, using growth rings and bone size to calculate the rates for dinosaurs.
They linked growth rate to metabolic rate, the measure of energy use that divides warm and cold blooded animals.
The study suggests that the dinosaurs fall into a middle category, in a fresh contribution to an enduring debate.

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'Biggest dinosaur ever' discovered

Fossilised bones of a dinosaur believed to be the largest creature ever to walk the Earth have been unearthed in Argentina, palaeontologists say.
Based on its huge thigh bones, it was 40m (130ft) long and 20m (65ft) tall.
Weighing in at 77 tonnes, it was as heavy as 14 African elephants, and seven tonnes heavier than the previous record holder, Argentinosaurus.

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