By Tetradium
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Not especially preserved top layer of Oepikina inquassa. Oepikina inquassa is very highly variable in shapes and mainly only found in Decorah formation, thought I suspects also exists in Platteville. Tend to be larger than Oepikina minnesotensis.
From the album:
Brachiopods of Platteville/Decorah Twin Cities Minnesota
· 48 images- 48 images
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Photo Information
- Taken with EASTMAN KODAK COMPANY KODAK DX7590 ZOOM DIGITAL CAMERA
- Focal Length 11.1 mm
- Exposure Time 1/40
- f Aperture f/3.2
- ISO Speed 140
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