Late JurassicDiet CarnivoreTemperament Aggressive Wild Smaller but faster than Tyrannosaurus, larger but slower than Carnotaurus, Allosaurus therotribus is the island's resident pack-hunting theropod. While most aggressive theropods are relatively solitary creatures, Allosaurus lives in groups of 3. One...
Chris Dodds from Charleston, WV, USA/Wikimedia Commons/CC BY 2.0 Saurophaganax(Greek for "greatest lizard eater") was a 40-foot-long, two-ton theropod dinosaur that lived alongside the slightly smaller, one-ton Allosaurus in late Jurassic North America. Pending further fossil discoveries, paleo...