Top 15 Craziest Extinct of Animals

Dunkleosteus “terrible fish”

There is always a bigger fish… Or at least this was one of the problems shark has 400 million years ago when the Dunkleosteus was still alive. It measured up to 11.5 ft long and had huge jaws with scissor-like cutting serrated, razor-sharp bones instead of teeth. Its skull was was over 2 feet long . It used to attack and eat sharks