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Tetradium

Platteville formation Lambeophyllum profundum. Outer laver are gone. Uncommon to rare.

From the album:

Corals of Decorah Minnesota

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Photo Information

  • Taken with EASTMAN KODAK COMPANY KODAK DX7590 ZOOM DIGITAL CAMERA
  • Focal Length 15.6 mm
  • Exposure Time 1/25
  • f Aperture f/3.2
  • ISO Speed 140

Recommended Comments

Just a few days ago found more. Turn out they tend to fossilize beneath the brachiopod hash in upper Platteville formation. 

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