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Gastropod internal molds from the Cretaceous of New Jersey

Jeffrey P

By Jeffrey P

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Gastropod internal molds
Upper Cretaceous

right- Navesink Formation
Big Brook
Colt's Neck, NJ.

left 3 Wenonah Formation
Ramanessin Brook
Holmdel, NJ.

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Cretaceous

· 192 images
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Photo Information

  • Taken with Canon Canon PowerShot A470
  • Focal Length 6.3 mm
  • Exposure Time 1/5
  • f Aperture f/3.0
  • ISO Speed 200
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Jeffrey P

Possibly. I think the above specimens represent at least two species. It's tough to ID gastropods like this based on internal molds when you're missing shell ornamentation, etc.

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