TQ5 0LL Tel: 01803853966 Mobile: 07561327000 http://www.eternalcrystalsandminerals.com/our-shop/fossils/#cc-m-product-5552243562 40 MOSASAURUS FOSSIL DINOSAUR TEETH Mosasaurs had a double-hinged jaw and flexible skull (much like that of a snake ), which enabled them to gulp down their prey almost whole, a snakelike habit which helped identify the unmasticated gut contents fossilized within mosasaur skeletons.