Xenacanthus Prehistoric Shark, Lakes Entrance, Victoria, Australia

As in all fossil sharks, Xenacanthus is mainly known because of fossilised teeth and spines.
Lakes Entrance
Lakes Entrance is a tourist resort and fishing port in eastern Victoria, Australia. It is situated approximately 320 kilometres (200 mi) east of Melbourne, near a managed, artificial channel connecting the Gippsland Lakes to the Bass Strait. At the 2006 census, Lakes Entrance had a population of 4,094.