Imagine a beast dwarfing even the largest cetacean alive today – that was the Livyatan. This colossal lamniform roamed the prehistoric oceans approximately 23 to 3.6 million years ago. Its jaws were armed https://prehistoricoceandocument256906.activoblog.com/1206886/the-livyatan-melvillei-the-leviathan-of-the-deep