Dunkleosteus, armored fish jaw Iguanodon The head was small with

The head was small with a beak at the tip of the jaws

while the broad

These three species

It had short arms with three clawed fingers on each hand

Martino and the very dedicated Dave Phillips

Dunkleosteus, armored fish jaw Iguanodon The head was small withThis specimen is from the Devonian of the Cleveland Shale of Ohio. Dunkleosteus, the biggest member of the family Dinichthyidae ("terrible fishes"), was a heavily armored primitive fish from the late Devonian period, about 360 million years ago. This top predator was up to 11. 5 ft (3. 5 m) long and had large, scissor like cutting jaws with serrated, razor sharp bones, but no teeth. Its skull was was over 2 feet (65 cm) long. It had a jointed neck, an