By Tetradium
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Batostoma fragile Decorah Shale Ordovician Twin Cities Minnesota. When comparing all bryozoan fossils from Ordovician this one stands out as having the largest zoarium. (fossil terms for the pores). Its also the largest branching bryozoan I had found in terms of masses. One thing I have noticed with this is compare to "Batostoma minnesotense" It tend to be ,more lumpy and more flexible into forms, even at times mistook for Prasopora conoidea if not for its larger zoariums.
Photo Information
- Taken with EASTMAN KODAK COMPANY KODAK DX7590 ZOOM DIGITAL CAMERA
- Focal Length 6.3 mm
- Exposure Time 1/8
- f Aperture f/2.8
- ISO Speed 140
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