Rex, but it has feathers! Meet the Cryolophosaurus, the oldest known tetanuran and the only specimen from the Early Jurassic Period. This giant tetrapod dinosaur had a characteristic bizarre crest on ...

The giant tetrapod dinosaur Cryolophosaurus may initially resemble a terrifying T-rex, but this 21-foot predator was actually covered in feathers and possessed a distinctive bird-like crest. As the ...