Trigonotodus alteri   (So. Carolina)          

Out of stock

A very rare, High Quality Trigonotodus alteri shark tooth, an extinct Giant Thresher, from So. Carolina. Nice tan color. Excellent preservation, but there are a couple condition issues.  These teeth are rarely found and seen. A rare collectors' tooth in high quality condition. Try finding one of these teeth! Authenticity guaranteed.    

SC840           SIZE: 1-7/16"

Posting 10 SC Giant Thresher shark teeth in September 2020.   Link to Giant Thresher sharks. 


Alopias grandis is one of the three Giant Thresher sharks that appeared and went extinct in the Miocene. These Giant Thresher sharks include – 

  • Alopias grandis -  Giant Thresher with non-serrate teeth 
  • Trigonotodus alteri - Giant Thresher with non-serrate teeth which have side cusps
  • Alopias palatasi - Giant Thresher with serrated teeth

Alopias grandis teeth finds are generally believed to be limited to Maryland, Virginia, No. Carolina, and So. Carolina. Supposedly, there is also a Sharktooth Hill example or two.

Trigonotodus alteri - Appears to be the rarest of the the Giant Thresher species.

These were large sharks and believed to be the size of a Great White shark.

Exceptionally rare species, and try finding one in any color. The Giant Thresher is a rare tooth from the Miocene epoch to find! An incredibly challenging tooth to find at this site. 

These Giant Alopias shark teeth are very rareand are of very quite difficult to locate. Found in the Colleton, Beaufort, or Dorchester Co., SC. Oligocene or early Miocene in age.