Here’s how it works. Paleontologists have discovered the skeleton and radioactive skull of a previously unknown species of Allosaurus. The fearsome two-legged dinosaur sported 80 sharp teeth and ...

The museum’s fossil specimen of Allosaurus fragilis is perched like a nesting bird guarding a clutch of fossilized eggs. Credit: USNM V 4734, Department of Paleobiology, Smithsonian Institution. Photo ...

A rare skeleton of a dinosaur that last walked the Earth 155 million years ago could fetch up to £500,000 at auction. The 9ft-long and near-complete juvenile Allosaurus is the first predatory ...

The Ballad of Big Al is the story of an Allosaurus, a large carnivorous dinosaur ... in the Morrison Formation of North America. The skeleton was unusually well preserved - over 95% of his ...

A pair of fighting dinosaur skeletons — an allosaurus and a stegosaurus ... Sue, a Tyrannosaurus rex skeleton found in 1990, was sold at auction in 1997 for $8.36 million to Chicago's ...

Image caption, The skeleton of the 9ft-long (2.7m) juvenile Allosaurus was expected to fetch between £300,000 and £500,000 A near-complete skeleton of one of the largest predatory dinosaurs to ...