At first, small dinos scampered along on small legs. But it wasn't long before long-necked sauropods began to tower over the landscape. It's no wonder dinos ruled Earth back in the Triassic period. But what about other fierce creatures roaming the land and lurking under the waves? Many of those animals were not dinos. Become a paleontologist of the Triassic as you explore colorful illustrations and fabulous fossil photos to take a trip back in time and discover who was and was not a dino.