Spinosaurus egypticus was an early Cretaceous Period Dinosaur that was a huge Theropod Carnivore. He had an enormous sail on his back like a Giant Sailfish that paleontologist believe was used as a heat regulator. If you saw Jurassic Park 3, the Spinosaurus was the star of that movie. This claw is in fantastic condition and has less than 5% restoration. At Fossil Auctions these claws normally sell between $ 3,000.00 and $ 8,500.00, depending on size and condition. This hand claw is about as good as has been found and it will only good investment item.