Turtle Shells [test] Great Plains Cenozoic Fossi

Description

After dominating the Mesozoic, most reptile groups were extinct by the close of the Era. A few, such as the turtles, did persist into the Cenozoic. Background:http://cenozoicera08.blogspot.com/2016/11/the-cenozoic-era-is-most-recent-of.html?spref=pi