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New to shark teeth, ID Help?


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Hi folks. I've had some of these for a while and have tried to ID them using the resources referenced by the forum. Did not want to post without trying to see what I could ID first. Appreciate the help! Also unsure of the ages if anyone knows. 



Guesses for Image 1 from left to right. Locality, Myrtle Beach, SC

Row 1: Tiger? (It is thicker than the rest); Great White; Auriculatus?; Requiem?; Sand Tiger

Row 2: Sand Tiger; Bull?; Lemon; Short-fin Mako?; White Shark?; Mako?




Guesses for Image 2 from left to right. Locality: Potomac River, VA

Row 1: Requiem Shark?; Snaggle?; Big Lemon?

Row 2: Hammerhead; ??; Mako; Lemon?



If I stare at the small ones too long they all start to look like lemon shark teeth. A friend told me the tooth in photo one, row one right next to the penny is a baby meg, but I think it's too small. 

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  • Image 1, Row 1 (left to right):
    • Galeocerdo sp. (tiger shark)
    • Carcharodon carcharias (great white shark)
    • Sand tiger
    • Carcharhinus sp. (requiem shark)
    • Sand tiger
  • Image 1, Row 2 (left to right):
    • Sand tiger
    • Carcharhinus sp.
    • Carcharhinus sp. lower tooth or Negaprion sp. (lemon shark)
    • Carcharhinus sp.
    • Carcharhinus sp. lower tooth or Negaprion sp.
    • C. carcharias (worn serrations makes this a great white rather than it's predecessor, C. hastalis)
  • Image 2, Row 1 (left to right):
    • Carcharhinus sp.
    • Hemipristis serra (snaggletooth shark) lower tooth
    • Carcharodon hastalis (extinct white shark)
  • Image 2, Row 2 (left to right):
    • I believe these are all Carcharhinus sp., though it's possible the second tooth is a broken Negaprion sp.
Edited by bthemoose
  • I found this Informative 1
  • I Agree 1
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1 minute ago, Rock-Guy-17 said:

Thank you, appreciate the IDs. Gotta keep looking for that Mako I guess! Cheers


Many people call teeth from C. hastalis "makos," though they're actually ancestral great white sharks (not makos). They used to be categorized in the mako genus Isurus (i.e., as Isurus hastalis), but have since been reclassified as Carcharodon.

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Good stuff, I guess that explains why the person I was with ID'd that one as a Mako. Still learning the scientific names vs common names.

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