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 ...
Advanced CT imaging of rare Devonian lungfish fossils in Australia and China is revealing unexpected anatomical details.
About 360 million years ago, the shallow sea above present-day Cleveland was home to a fearsome apex predator: Dunkleosteus terrelli. This 14-foot armored fish ruled the Late Devonian seas with ...
The Devonian is a geologic period of the Paleozoic Era spanning approximately 419 to 359 million years ago, defined chronostratigraphically by its base at the first appearance of the conodont Ireviken ...