At 50 feet long and weighing up to 7 tons, Spinosaurus is the largest known carnivorous dinosaur, equipped with a distinctive sail-like structure on its back.
Dreadnoughtus were found in southern Patagonia, Argentina and has an estimated length of 26 meters (85 feet) in length and weighed about 59 metric tons (65 tons). Sauroposeidon is quite popular ...