Ceratosaurus
Ceratosaurus was a carnivore (meat-eater) that lived in North America, Africa, and possibly Portugal, during the late Jurassic period, about 156 to 145 million years ago. Ceratosaurus can be recognized by the short horn on its snout, its massive tail, and its four-fingered hands (a primitive configuration). Ceratosaurus was first discovered by Othniel C. Marsh who choose the name which means "horned lizard", referring to the horn on the animal's nose. Marsh speculated that Ceratosaurus was a good swimmer because of its crocodile-like tail. The earliest examples of Ceratosaurus were found in Cleveland Lloyd Dinosaur Quarry in Utah and Dry Mesa Quarry in Colorado.
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