CLEVELAND—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 ...
Dunkleosteus is often presented as one of the most formidable predators of the Devonian seas, yet much of its biology remains uncertain. Fossil evidence consists mainly of armored head plates, leaving ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results