T. rex, Triceratops, Titanosaur-What's the Difference? 

What are the different types of dinosaurs found in the dinosaur family tree? What makes these ancient reptiles different from the lizards and snakes we see today? And what features do they share with the living dinosaurs-birds?
#paleontology #dinosaur #evolution
Sure, a Stegosaurus looks different from a T.rex, but how does a paleontologist figure out how to classify them? In this video, Macauley Curator Roger Benson from the Division of Paleontology at the American Museum of Natural History introduces the three major groups of dinosaurs-the ornithischians, the sauropodomorphs, and the theropods-and the differences between a dinosaur and a modern lizard. He also names a few ancient animals that aren’t dinosaurs at all-some of them may surprise you!