Stylemys nebrascensis, turtle Dimorphodon Another interesting feature of Bothriolepis

Another interesting feature of Bothriolepis is that both eyes located on top it its skull

This specimen of Eldonia is from the lower Devonian of Alnif

sturdy legs

Pachycephalosaurus grew to be about 15 feet long and may have weighed roughly 950 pounds

Cephalopods are the most highly developed of the mollusks

Stylemys nebrascensis, turtle Dimorphodon Another interesting feature of BothriolepisStylemys (which means "pillar mouse") nebrascensis was the first fossil genus of dry land tortoise, which belonged to the order Testudines, to be discovered in the United States. It was first described by Dr. Joseph Leidy in 1851. Stylemys was common in the prehistoric Badlands of South Dakota and Nebraska. They lived in the temperate to subtropical areas of North America, Asia and Europe. Stylemys ranged from the late Eocene to early Oligocene. The