Camptosaurus Astralagus (ankle bone)

Here is for an astralagus or ankle bone from the Jurassic-age, plant-eating, Ornithopod dinosaur, Camptosaurus. It measures 3-1/4 inches by 2-1/2 inches by 1 inch and is complete. The only preparation performed has been matrix or rock removal (no restoration). It was collected at a private ranch (Big Horn Basin Ranch) in Wyoming.