Buried Treasure Fossils offers incredible Cretaceous fossil shark teeth for sale that were collected in the Frankstown locality in northern Mississippi, USA. Extra large Scapanorhynchus, the Goblin shark, are included. The teeth are from the Demopolis Formation (late Cretaceous - Campanian) - approx. 80 million years in age. These teeth are wonderfully preserved and in great condition. Authenticity guaranteed. Have a look.