Allosaurus fragilis, claw of hand Kentrosaurus The antiarch�s (most commonly represented

The antiarch�s (most commonly represented by Bothriolepis)

with many small serrated teeth

The latter seem to have changed little in structure and appearance since then

Crocodiles are the only surviving members of the Superorder Archosauria which included dinosaurs and pterasaurs

Ida is the third species of primate to be discovered at the Messel quarries and belongs to the family adapiforms

Allosaurus fragilis, claw of hand Kentrosaurus The antiarch�s (most commonly representedAllosaurus(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 about 10. 5 m long. The type species is A. fragilis. This replica claw is 7 inches long around the curve. Shipping Included