Maiasaura Transverse Process (multiple views)

This piece of fossil dinosaur bone has been identified as a transverse process -- one of the projections on the side of a vertebra that forms the point of articulation for one of the ribs. It has further been identified as belonging to a Maiasaura, a type of duck-billed dinosaur of the Cretaceous. It was found in the Two Medicine Formation, at Dupuyer, Montana.

Done