Dinosaur

Below are some interesting facts about dinosaurs. Dinosaurs walked the earth for over 165 million years. ... The oldest known dinosaur is Eoraptor, a meat-eater that lived 228 million years ago. Most dinosaurs hatch from eggs, and they could not fly or live in water. Art by Mark Witton. For the past twenty years, Eoraptor has represented the beginning of the Age of Dinosaurs. This controversial little creature–found in the roughly 231-million-year-old rock of Argentina–has often been cited as the earliest known great.