the.com/allosaurus
the apex predator that ruled Jurassic plains 80 million years before T. rex was born
Jaw mechanicsGaped over 90 degrees like a hatchet
Skull strengthWeak bite, used head as a swinging axe
Famous fossilBig Al died young, riddled with infections
Hunting styleLikely ambushed sauropods many times its size
Name meaningDifferent lizard, for its unusual vertebrae