Dunkleosteus terrelli : Placoderm Fish
Age: Late Devonian
Placoderms
Peak Period: Devonian
Likely Prey: Sharks, fishes, cephalopods
Crunch! Placoderms attacked their prey with razor sharp bony jaws. They were the biggest fishes in the ocean. Placoderms were among the first vertebrates (animals with backbones) to have jaws, a powerful new tool for a hungry predator.
From the Smithsonian Museum of Natural History, Washington, DC.
