Ransom, where did you get that photo???? I've known about that for many years now. That is on sacred Indian land!! Who ever took that photo will have an evil curse bestowed upon them!!!! I just hope it wasn't you!
Rutnbuck is partly correct. That's a fossil of Megasnapus, the only know creature that regularly preyed upon Tyannosaurus rex.
My people purchased that site a few years ago. We are pretty wealthy now. (Our original homeland in the swamps of Oklahoma was paved over and is now the parking lot for the Lucky Turtle Casino).
Notice the cave-like entrance in front. Our ancestors (including my great, great grandpa Chief Little Turtle) are buried there! I'll be traveling to that Shrine next year to pay my respects and participate in the annual "Celebration of the Virgin Turtlepeople". Both virgins will be there!
Ramsom, please keep the location secret.
Eel