Abelisaurus was a medium-sized, bipedal carnivore, measuring approximately 21–30 feet (6.5–9 meters) in length and weighing around 1.5–3 tons, that lived in South America during the Late Cretaceous (roughly 70–80 million years ago). Known from a single, partially complete, 33-inch skull found in Argentina, it was a predator with a deep head, rou...Read more