This small dinosaur seems to have had long, slender legs.
The rest of the skeleton was just like any other small carnivorous dinosaur.
Scientists will probably never be certain of the largest and smallest dinosaurs to have ever existed.
"Something still had to climb into the trees earlier," he said, "and this could have been a small dinosaur."
Other predators appeared, including the two smaller dinosaurs that had visited the beach before.
When he reached it, the small dinosaur tried to butt him in the stomach.
One called it "the equivalent of finding a small dinosaur still alive on Earth."
And there were small dinosaurs as well as big ones.
His latest victim is a young boy who had the power to turn himself into a small dinosaur.
They could have come from a very small dinosaur.