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Coelophysis Confuciusornis Effigia Oviraptor Postosuchus Protoceratops
Pterosaurs Redondasaurus Seismosaurus Tarbosaurus Tarchia Velociraptor

Coelophysis

ImageName means: Hollow form
Height: 4 ft (1.2 m)
Length: 9 ft (2.7 m)
Weight: 100 lbs (45.5 kg)

Coelophysis is one of the most primitive carnivorous dinosaurs and lived during the Late Triassic (230-200 mya). Hundreds of skeletons of Coelophysis have been discovered at Ghost Ranch, New Mexico--one of the largest fossil deposits ever discovered. Coelophysis adults, young adults, and juveniles were all quickly buried together in a flash flood. The large range of ages gives scientists clues about how early dinosaurs grew. The large accumulation of Coelophysis also suggests that they lived and maybe even hunted in large packs. Coelophysis is a coelophysid, a group that is found all around the world. Coelophysis was lightly built and measured 6-10 feet in length. Many small, pointed teeth indicate that Coelophysis was a carnivore. During the Late Triassic, Coelophysis was not the dominant predator, but more likely the prey of rauisuchians such as Postosuchus or a phytosaur such as Smilosuchus. However, the shape and characteristics of the skeleton of Coelophysis will later be characteristic of some of the largest predators ever to walk the Earth.

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