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Toothhound
Anacoracidae

Squalicorax pristodontus

Large crow shark
Cretaceousuncommon

The biggest of the crow sharks. Broader, more triangular, and noticeably larger than S. kaupi. Latest Cretaceous — the genus made it almost to the K-Pg extinction.

Typical size
0.6–1.5″
Trophy size
1.75″+
Age range
99–66 Ma
Body length

How to ID it in the field

  • Broader and more triangular than S. kaupi — almost like a small meg outline
  • Coarse serrations the whole way around
  • Distal heel is rounded rather than sharply hooked
  • Anything over 1" in NJ creeks deserves a careful look
Quick reference
Shape
serrated leaf
Serrations
coarse
Cusplets
none
Root
asymmetric
Color
Glossy black to dark brown

Sample reference images

Use these visual references to compare angle, wear, and silhouette before making a final ID.

Large crow shark (Squalicorax pristodontus) sample clean view
Clean view
Large crow shark (Squalicorax pristodontus) sample worn view
Worn view
Large crow shark (Squalicorax pristodontus) sample fragment view
Fragment view
Large crow shark (Squalicorax pristodontus) sample lateral view
Lateral view
Large crow shark (Squalicorax pristodontus) sample root view
Root view

Often confused with

Best locations