Common name: Anteosaurus Species: Anteosaurus Magnitoxis Time period: Permian Temperament: Aggressive  Diet: Carnivore   DOSSIER HERE: Couldn't get the file small enough while still legible, sorry!   Wild Already the largest predators of the Permian period, these massive synapsids appear to have further grown to match the mighty Tyrannosaurus in size. Anteosaurus at first seemed uniquely immune to the corrupting influence of Element, and they indiscriminat