Biology's Russell Engelman discusses Dunkleosteus' bone blades

A prehistoric sea monster wielded bone blades to terrorize the ocean 360 million years ago

Discover Magazine: Russell Engelman, graduate student in biology at the College of Arts and Sciences, talked about the anatomy of Cleveland's prehistoric sea monster. "Since the 1930s, there have been significant advances in our understanding of arthrodire anatomy, particularly from well-preserved fossils from Australia," he said.