Twelve non-dinosaur rulers show Earth’s old power: armored fish, giant insects, sky titans, sea kings, and saber teeth across ...
About 360 million years ago, a huge armored fish patrolled a shallow sea that once covered what is now Cleveland. This animal, known as Dunkleosteus terrelli, has long held a place among the most ...
Roughly 360 million years ago, a shallow sea covered what is now Cleveland, Ohio. In its depths lurked Dunkleosteus terrelli, a 14-foot armored fish armed not with teeth, but with sharpened bone ...