Dunkleosteus, model Baryonyx It likely travelled in herds

It likely travelled in herds

Megatherium's name means "great beast

Until this point the Precambrian was thought to be completely devoid of fossils and consequently possibly of life

Because of rodent's adaptability they have become the most successful and abundant group of mammals

The similar sized Megatherium genus was from South America

Dunkleosteus, model Baryonyx It likely travelled in herdsDunkleosteus, 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 eel like tail, a scale less body, and hinged body shields.