Eryops (pronounced EAR-ee-ops) (meaning "long eye" or "drawn-out eye" in Greek) was a common
Later about two dozen specimens were formally referred to the species
Because of rodent's adaptability they have become the most successful and abundant group of mammals
The evidence has mostly been based on that of Turkana Boy discovered in 1984
Based on tracks and bone specimens it appears that Brachiosaurus only had a small Thumb claw on the forefoot
Eoraptor Skull, model T-Rex Eryops (pronounced EAR-ee-ops) (meaning "longCLASSIFICATION Eoraptor was a saurischian ("lizard hipped") dinosaur, a very primitive theropod, and a member of the infraorder Herrerasauria (which includes Herrerasaurus, Staurikosaurus, Saltopus, and other very early dinosaurs). The type species is Eoraptor lunensis (named by Paul Sereno, Forster, Rogers and Monetta in 1993). WHEN EORAPTOR LIVED Eoraptor lived during the late Triassic period, roughly 228 million years ago. It is one of the oldest