Stylemys nebrascensis, turtle Dimorphodon Location: White River Formation

Location: White River Formation

powerful tail that propelled them through the water

They are also quite common in the late Eocene and early Oligocene White River badlands of eastern Wyoming

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

sturdy legs

Stylemys nebrascensis, turtle Dimorphodon Location: White River FormationStylemys (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