The porbeagle, Lamna nasus, is a pelagic predatory shark of the family Lamnidae. The porbeagle is considered vulnerable to extinction, and the European Union has proposed listing the porbeagle under the United Nations Convention on International Trade in Endangered Species (CITES). This is a very impressive shark skull from a very sought after shark species Priced due to rarity and condition and a personal favourite. skull size is 8.5 wide and around 14.5 in length .