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Class: Sauropsida
The fangs of Machairodus
This is real fossil dinosaur bone from the Cretaceous of South Dakota
Watch deep sea crinoids attached to sponge at 1200 feet off the coast of Roatán an island in the Caribbean
are interpreted as body fossils of unknown affinities rather than trace fossils
Allosaurus foot with base (Replica) Alamosaurus Class: SauropsidaAllosaurus (pronounced Al oh SAWR us) Allosaurus, meaning "different lizard," was a huge, meat eating dinosaur from the late Jurassic period, about 154 million to 144 million years ago. It was a theropod that lived in what is now the western United States. It was up to 40 feet long and weighed up to 4. 5 tons. The skull was nearly 3 feet long and filled with dozens of serrated razor sharp teeth. It was about 10 feet tall at the hip and had 3 clawed