A dinosaur fossil discovered in Mongolia boasts the largest ever complete claw, but the herbivorous species only used it to ...

No alternative hypothesis has been offered to explain the multiple similarities between birds and theropods, however, and there is scant evidence to support a link to any of the other animals that ...

with every descendant smaller than its ancestor,” study author Michael Lee of the South Australian Museum in Adelaide told the BBC. Tinier theropods may have found it easier to adapt to different ...

A one-sheet summary of the main investigations and conclusions of the study. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by ...

The fossils of theropods, a group of dinosaurs characterized by three toes and claws on each limb, included the first evidence of carcharodontosaurs in Australia. Carcharodontosaurs were a ...

During this time, Gondwanan began breaking up. As the continent broke apart, dinosaur evolution changed and diverged with it. In South America, for example, theropods like carcharodontosaurs dominated ...

This dino's combination of sleek speed and versatility made it deadly. Unlike larger, bulkier theropods, Ceratosaurus had a long tail, powerful legs and a relatively slender frame, making it a ...

Both dinosaurs are theropods - a group characterised by hollow bones and three toes with claws on each limb - and lived during tghe Cretaceous Period, which ran from 125 to 66million years ago.