Dunkleosteus skull at the Cincinnati Museum of Natural History
Way before even your great-great-grandpappy was born and Ohio was ocean instead of cornfields, it was the “Age of the Fishes”.  During this Devonian (400-360 million years ago), the placoderms, giant, shark-like, armored fishes, ruled the oceans.  Among the largest and most fearsome of these were the arthrodires, . . . → Read More: Easy Big Fella