Megalodon - 9mm Tungsten Dome RingMegalodon 9mm Tungsten Dome Ring 9mm Tungsten Dome ring with a Megalodon and Blue Jade inlay with a blue glow. This is 100% real and guaranteed authentic this is a species of shark that lived approximately 23 to 2. 6 million years ago, from the Early Miocene to the end of the Pliocene periods. Peoples jaws will drop when they see this ring! The Megalodon was the largest predator that ever existed. Reaching lengths of up to 60 feet and an estimated