This collectible dinosaur fossil skull is a real possibility for the existence of reptile snakes. The intricate details of the skull provide evidence for the evolution of these fascinating creatures. The fossil is from the category of vertebrates, specifically amphibian, reptile, and dinosaur. Found in United States MI. The skull is a unique piece that will make a great addition to any collection of fossils and minerals. It is perfect for those who are interested in the prehistoric era and want to own a piece of history. The skull is a rare find and is sure to be a conversation starter.