AdvertisementNewly Discovered Dinosaur Was Top Carnivorous Predator In ArgentinaApril 10, 2021Alejandra Marquez JansefacebookEmailAn artist's impression of the Cretaceous Period meat-eating dinosaur Llukalkan aliocranianus that lived about 80 million years ago in the Patagonia region of Argentina is seen in this handout photo. (Jorge Blanco/Journal of Vertebrate Paleontology via Reuters)