Trigonotodus serratus

These teeth are from the giant Thresher sharks Alopias grandis, Giant serrated Trigonotodus alteri, and the cusped Trigonotodus alteri. These Giant Alopias shark teeth are very rare and are of very quite difficult to locate. Found in the Colleton, Beaufort, or Dorchester Co., SC. Oligocene or early Miocene in age.