Troodon Claw sarcosuchus Prehistoric Bison first appeared in

Prehistoric Bison first appeared in South Asia during the Pleistocene

Base dimensions are usually around 2"x2"- 3"x3"

Tyrannosaurus rex lived 66 million years ago in the North American Cretaceous period

At over 20 feet long

Troodon Claw sarcosuchus Prehistoric Bison first appeared inAuthentic Troodontid claw from the Judith River Formation in Montana, USA. Real fossil with zero restoration. Beautiful piece of the most cunning of dinosaurs. Troodon was a small predator from Late Cretaceous North America, about 75 million years ago. Closely related to raptorid dinosaurs, it shares a similar body plan with grasping hands, a feather coating, large eyes, and sickle killing claws on both feet. Possibly the smartest dinosaur, Troodon