JOSE ANTONIO PENAS / SCIENCE PHOTO LIBRARY JOSE ANTONIO PENAS / SCIENCE PHOTO LIBRARY
Ceratosaurus (right) and Dacentrurus (left) dinosaurs fighting, artwork. Ceratosaurus was a carnivorous theropod. It was a bipedal predator, using its teeth and hind claws to bring down its prey. Dacentrurus was a large herbivorous stegosaur with paired triangular spikes down its spine and four pairs of spikes on the end of its tail. Both dinosaurs lived in the Late Jurassic Period (150-135 million years ago).
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