"Lot number 2, ladies and gentlemen, a juvenile Allosaurus. A fierce and aggressive predator." —Gunnar Eversol introducing a juvenile Allosaurus to auctioneers(src) Allosaurus (meaning "different lizard") is an extinct genus of large Theropod dinosaur from Europe and North America. Allosaurus was one of the most common predator of the Late Jurassic period and among the most dangerous. Like most theropod dinosaurs, its jaws were filled with serrated teeth shaped like blades. Computer studies sugg