Quetzalcoatlus, giant pterosaur skull sculpture #9 Dilophosaurus They first appeared in North

They first appeared in North America from the Lower Oligocene to the end of the Oligocene

Hold this tooth in your hand and know the terror its prey must have felt some 5 million years ago

Tarbosaurus was a large bipedal predator

from the Greek edaphos ("ground"

Quetzalcoatlus, giant pterosaur skull sculpture #9 Dilophosaurus They first appeared in NorthQuetzalcoatlus (pronounced KET sal koh AHT lus) was a giant pterosaur from the late Cretaceous period, and the largest flying animal ever. Quetzalcoatlus wingspan was just under 36 feet wide (10. 96 m). It had hollow bones, was lightly built, and had a small body. Even though it was very big, it probably weighed only about 300 pounds (135 kg). It had toothless jaws and a long, thin beak. The neck was 10 feet (3 m) long. The legs were over 7 feet (2. 1