Newly identified dinosaur had teeth that were constantly replaced. ... Life reconstruction of Iberospinus natarioi, showing detail of muscles, and a fossil of part of the lower jaw.

Dinosaurs; Super Croc with T. Rex Teeth May Have Chowed Down on Dinosaurs. ... an almost-complete portion of the right upper jaw, a piece of the left lower jaw, ... Because of this missing record, ...

Paleontologists have long been perplexed by dinosaur fossils with missing pieces -- sets of teeth without a jaw bone, bones that are pitted and grooved, even bones that are half gone. Now a ...

80beats: Dinosaur Handprints Show It Could “Hold a Basketball,” Not Dribble 80beats: To Attract Mates, This Dino May Have Shaken a Tail Feather 80beats: Stay-at-Home Dinosaur Dads May Have Hatched ...

Alejandra Gonzalez, a restorer for the National Museum of Paleontology, is pictured with a mastodon's jawbone discovered near San Salvador in 2001. More recently, a jawbone of the prehistoric ...

A new species of flying dinosaur has been discovered - it had a 9ft wingspan, more than 100 razor-sharp teeth and dominated the skies 95 million years ago. The 14-inch long lower jaw of the ...

Just as human juveniles happen to lose their baby teeth to make way for much larger and stringer adult teeth, scientists now believe that dinosaurs may have followed a similar process as they matured.

Duck-billed dinosaurs roamed the planet in the Cretaceous period some 65 to 90 million years ago in North America, Europe and Asia. What made these specimens, called hadrosaurids, so unique were ...

The skull of a dinosaur dubbed the closest thing to a 'real-life dragon' was found near Richmond in Northern Queensland, as scientists have analysed the metre long fossil with 40 teeth.