A figure from the study showing teeth from a megaraptor dinosaur from various view points. The black tooth preserves most of the tooth crow. The tan tooth is missing the crown apex and base.
Fossilised remains - including fossil bones and teeth - are known as body fossils. Fossilised shells are also body fossils. Other fossilised signs of a plant or animal are called trace fossils.
A badger-like mammal was sinking its teeth into the ribs ... The fight scene, preserved in a fossil discovered in China, suggests that small mammals preyed on the dinosaurs that ruled Earth ...
The researchers at the University of Portsmouth say their discovery of 1,200 dinosaur teeth "proves beyond reasonable ... Spinosaurus fossils were found in large numbers at the site of an ancient ...
The creature, Khinjaria acuta, was about 26ft (8m) long - the same as an orca - and had "dagger-like" teeth. Researchers said the species would have lived alongside dinosaurs such as Tyrannosaurus ...