The species has jaws that reached more than 0.4 inches (1 centimeter) in length --- the largest jaws ever recorded in its kind.
According to the researchers who discovered it, the specimen is so bizarre that they cannot pinpoint how they should classify it.
Unlike the living sperm whale, which has no functional teeth, the ancient Livyatan melvillei, with its 36 cm. teeth feeds on other whales and bigger predators.
One of the top predators of their ecoystem during their time - The fossil of the extinct species called Cynarctus wangi was described as a hyena-like canine with massive jaws capable of crushing bone
Using paleoclimate data, researchers reconstructed what ancient environments would have been like in the Cantabrian Region during the Pleistocen Epoch. This allows researchers to better understand how modern species have evolved over time.