It’s a dinosaur tooth, and clearly one that belonged to a predator – sharp and backwards-pointing. But this particularly tooth, belonging to a small raptor called Sinornithosaurus, has a ...

consider a venomous dinosaur. That's what some scientists propose after discovering an unusual fossil in China. Sinornithosaurus was petite as dinosaurs go — think of a turkey with teeth.

One such case was the hypothesis that the feathered dinosaur Sinornithosaurus had a venomous bite, as was proposed by scientists Enpu Gong, Larry Martin, David Burnhamb and Amanda Falk several ...

Sinornithosaurus is the first confirmed venomous dinosaur, but there is evidence that venom is even older than this most recent discovery--that creatures from up to 500 million years ago could ...

There was no evidence for it, but a new study published in PNAS suggests that an entirely different kind of dinosaur might have had a venomous bite. Sinornithosaurus was one of the first feathered ...

A FEATHERED predator that lived 125 million years ago has been revealed as the first-known venomous dinosaur. Sinornithosaurus millenii, a dinosaur about the size of a turkey, had grooved fangs ...