Researchers named the newfound Allosaurus after paleontologist James Madsen Jr., shown here assembling a composite skeleton of an Allosaurus from the Cleveland-Lloyd Dinosaur Quarry in Utah.

A rare Allosaurus dinosaur skeleton could be yours – for £500,000 The 9ft-long, near-complete juvenile Allosaurus is the first predatory dinosaur skeleton to be sold in Britain Alexandra Sims ...

25 November 2015 PA The skeleton of the 9ft-long (2.7m) juvenile Allosaurus was expected to fetch between £300,000 and £500,000 ...

French auctioneer Alexandre Giquello next to an Allosaurus skeleton at the Drouot auction house in Paris on Friday. More than 150 million years old, the rare skeleton of an Allosaurus, one of the ...

An “exceptionally rare” dinosaur skeleton expected to fetch up to £500,000 at auction failed to sell after bidding stopped short of its reserve price. The near-complete juvenile Allosaurus ...

Colorado ranch where Allosaurus fossils were discovered by 12-year-old in 1979 is listed on the market for the first time in half a century for $15.5 MILLION Three Springs Ranch in northwest ...

A new species of carnivorous dinosaur, called Allosaurus jimmadseni, has been described in a new paper published in the open-access scientific journal PeerJ.

Detail of a Jurassic age (161-145 million years) dinosaur skeleton of an Allosaurus Jimmadseni, found in Wyoming, U.S. (Francois Mori/The Associated Press) ...

The Ballad of Big Al 'Big Al' is the name given to a real Allosaurus fragilis skeleton. But Big Al wasn't big at all - he wasn't even fully grown.

His skeleton shows that life dealt him some heavy blows. This is not unusual for a predator like Allosaurus. Many skeletons show healed injuries but it was only the start for Big Al.