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Tetradium

This one specimen is a typical head - it is much more pointed. Then I accidently chopped a piece off and got a surprise.

From the album:

Trilobites of Minnesota Decorah/Platteville/Galena Formation

· 13 images
  • 13 images

Photo Information

  • Taken with EASTMAN KODAK COMPANY KODAK DX7590 ZOOM DIGITAL CAMERA
  • Focal Length 15.6 mm
  • Exposure Time 1/30
  • f Aperture f/3.2
  • ISO Speed 140
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