img_2087 Posted on September 29, 2016 | 5472 × 3648 | Posted in Return to Denise Harrington: A Shark A Day, September 29, 2016 ← Previous Next → The scalloped hammerhead’s flat extended head is called a cephalofoil. Photo: Matt Ellis/NOAA Fisheries Related Trackbacks are closed, but you can post a comment.