A new genus and species of hadrosaur (duck-billed) dinosaur — the oldest duck-billed dinosaur known from North America — has been named by scientists who expect the discovery to shed new light on dinosaur evolution.
A new genus and species of hadrosaur (duck-billed) dinosaur — the oldest duck-billed dinosaur known from North America — has been named by scientists who expect the discovery to shed new light on dinosaur evolution.