By Tetradium
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Crinoid stem fragments. I divided them into two groups based on differences in shapes of basic stems. But it look like both groups have come from the same family based on internal structures so far less variety in family tree for that section of Devonian but I'm guessing at least three species are represented in this photo. Uncommon.
Photo Information
- Taken with EASTMAN KODAK COMPANY KODAK DX7590 ZOOM DIGITAL CAMERA
- Focal Length 7.1 mm
- Exposure Time 1/25
- f Aperture f/2.9
- ISO Speed 140
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