Brachychampsa montana, alligator skull Quetzalcoatlus Dickinsonia lived approximately 560 -

Dickinsonia lived approximately 560 - 541 million years ago

It is thought to have drifted in the water vertically

north through Mexico

not all pathological teeth are easy to identify

sharp teeth

Brachychampsa montana, alligator skull Quetzalcoatlus Dickinsonia lived approximately 560 -This is a great Alligator skull with some postcranial elements. We decided to cast the elements and skull In Situ. The original specimen was found in a block of mudstone and the pieces were a bit jumbled. The skull was mostly intact, which is rare. This is a great replica for anyone into the reptiles of the dinosaur age. There are some teeth still in the dentition also. All elements seen are directly cast from the original specimen; there has been no