Coelophysis means hollow form be cause it had thousands of little holes in its head. Coelophysis lived in the late triassic period. Its fossils were found in Arizona. It weighed about 65 pounds. The length was 10 feet. Its height was 3 feet. Coelophysis was a carnivore. It liked to hunt for fish. Coelophysis had very long,long sharp nails on its claws. Coelophysis ate big and small reptiles of all kinds, swallowing bite size pieces without chewing. It lives in packs to hunt and eat its prey better. Coelophysis was very fierce. Its defenses were sticking its long claws into other dinosaurs. Coelophysis had a very long neck and tail. The world was very wet and warm when Coelophysis lived. It cared for its young.