Dinosaur teeth discovered by a now retired quarryman have revealed a community of prehistoric predators that lived around 135 million years ago in an "exciting" discovery. Paleontologists examined ...

Discovered teeth of (a) spinosaur, (b) tyrannosaur, (c) dromaeosaur, (d) possible tyrannosaur, (e) indeterminate tyrannoraptoran - the group containing tyrannosaurs and dromaeosaurs (Velociraptor ...