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Whitfieldoceras mumiaforme


Tetradium

The cut half which is a very thin shell filled with calcite minerals in a geode meaning it was complete hollow at the time of fossilization process.

From the album:

Minnesota Ordovician Decorah Cephalopods

· 17 images
  • 17 images

Photo Information

  • Taken with samsung Galaxy A54 5G
  • Focal Length 5.5 mm
  • Exposure Time 1/24
  • f Aperture f/1.8
  • ISO Speed 250
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