Placerias
Placerias was, at 3.5m in length, the largest herbivore of the Late Triassic Period, whose chunky, barrel-like body may have weighed a little under a tonne. Despite its appearance, Placerias was not a dinosaur, but a type of mammal-like reptile. It was the last of the Dicynodonts, so with its extinction that whole lineage disappeared. Like other dicynodonts, Placerias had tusks which it used to dig up roots and a beak to chop up its food.
(via: BBC Nature) (image: Christian Jegou)
