Unlabeled inarticulate brachiopods. Common in Decorah formation and middle Platteville Formation. I had an interesting discussion with another person recently - turn out only inarticulate brachiopods tend to keep their shells - the other extreme lookalike which is non coiled limpet like Monoplacophora tend to be preserved as molds like true gastropods.
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 6.3 mm
- Exposure Time 1/30
- f Aperture f/2.8
- ISO Speed 80
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