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Physogaleus contortus (Shark) Tooth 1.JPG

Dpaul7

By Dpaul7

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Physogaleus contortus (Shark) Teeth
 
SITE LOCATION: Aurora, Beaufort Co., North Carolina, USA
TIME PERIOD: Miocene age (5.3-23 Million Years Ago)
Data: Physogaleus is a small genus of prehistoric shark that lived from the Eocene to Miocene epochs. Physogaleus are only known from their fossil teeth and isolated vertebra. It has teeth similar to the modern tiger shark, but smaller. Physogaleus was actually thought to be a type of tiger shark (Galeocerdo). However, due to the many smaller differences in the shark teeth, it has been moved to its own genus. Physogaleus teeth are smaller than the tiger sharks, they also do not have the heavy serrations, and are slender and can be twisted toward the crown. This indicates they probably had a diet of bony fish, similar to the living sand-tiger shark.
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Order: Carcharhiniformes
Family: Carcharhinidae
Genus: †Physogaleus
Species: †contortus

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Photo Information

  • Taken with Canon Canon PowerShot SX120 IS
  • Focal Length 6 mm
  • Exposure Time 1/60
  • f Aperture f/2.8
  • ISO Speed 80
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