100_8974
By Tetradium
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Overexposure light when taking picture so blue appear to be the best for me so far. Rare Decorah Formation Ordovician Twin Cities Minnesota. Deceptrix planodorsata is what I figures this bivalve is. Kind of reminds me of certain modern nut clam species.
Photo Information
- Taken with EASTMAN KODAK COMPANY KODAK DX7590 ZOOM DIGITAL CAMERA
- Focal Length 6.3 mm
- Exposure Time 1/20
- f Aperture f/2.8
- ISO Speed 140
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