Stylemys nebrascensis, turtle Deinonychus it is assumed that Confuciusornis

it is assumed that Confuciusornis colonized along the lake

closing off the old

made flaked stone tools

The main slab preserves a significant portion of the left leg

The discovery site was in Miocene-aged sediments about 15 million years ago

Stylemys nebrascensis, turtle Deinonychus it is assumed that ConfuciusornisStylemys (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