Pirate Gold Coins Treasures of the Jurassic. Pirate Gold Coins Treasures of the Jurassic presents this Spectacular Cave Bear Jaw of museum quality! The Cave Bear (Ursus spelaeus) was wondering the earth between 300,000-100,000 Years Old during the Pleistocene Era.These bears stood in excess of 3 meteres tall when they stood on their hind legs, making it easy to understand why our ancestors revered them. Most of these fossils were found in caves. The item "CAVE BEAR JAW SKELETON AUTHENTIC DINOSAUR BONES FOSSIL PIRATE GOLD COINS TREASUR" is in sale since Thursday, February 7, 2019. This item is in the category "Collectibles\Animals\Prehistoric & Dinosaurs". The seller is "pirategoldcoins" and is located in La Jolla, California. This item can be shipped worldwide.