may have been buried under water, either in a river or from floodwaters, which would account for why it was mostly in one piece, including a nearly complete skull.
It "captures tyrannosaurs
at a key point in their evolutionary transformation," notes Lawrence Witmer, who studies the soft tissues of dinosaur heads at Ohio University, Athens.
Analyzed against a database of other tyrannosaur
skulls, the braincase shows that T.
Palaeontologists had been uncertain about the existence of long-snouted tyrannosaurs
until the "remarkably well-preserved" remains of the dinosaur - whose scientific name is Qianzhousaurus sinensis - were unearthed.
The newly found ancient predator looked very different from most other tyrannosaurs
Since the discovery, experts have created a new branch of the tyrannosaur
family for specimens with very long snouts.
Guanlong shows us how the small coelurosaurian ancestors of tyrannosaurs
took the first step that led to T-rex almost 100 million years later," said James M Clark of George Washington University.
1 The tyrannosaur
fossil found recently in Liaoning sported
were large meat-eating dinosaurs that grew to lengths of 47 feet (14.
The paleontologists who unearthed the 130-million-year-old fossils in northeastern China announced in October that their find provides the first direct evidence that tyrannosaurs
html) Los Alamos National Laboratory reported, calling the work the highest resolution scan scientists have ever taken of a tyrannosaur
One of the more thoughtful figures in the film industry, he's now written and directed the startling Tyrannosaur