Send us Fan Mail Matt and palaeontologist guest Ben Francischelli chat all about the extinct super predator Livyatan. A 3 million year old giant Sperm Whale that roamed the oceans and likely preyed upon animals like the Megalodon Shark. With huge 40cm teeth, Livyatan was perhaps one of the biggest predators to ever live! Ben talks us through what its like to look for the fossils of a Livyatan and the inferences we can make from these ancient fossils. Check out Ben's work on his Instagra...