Sphyrna zygaena

Fossil Hammerhead Shark Teeth Middle Miocene-Oligocene - Appx 10-30 million years old Uncommon and very collectible teeth from one of two species of Hammerhead Sharks - either S. zygaena (majority) or S. lewini. Teeth average between 1/2"-5/8" in length, are all complete (some perfect, some with very minor wear) and come from the Southeastern USA.