| Megastrophia concava Philhedra crenistriata Silica Shale Milan, Michigan Size: The brachiopod is about 5.9 X 4.7 X 2.3 cm. Price: $20 US ID number: d1231 | 
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| Megastrophia concava Philhedra crenistriata Silica Shale Milan, Michigan Size: The brachiopod is about 5.9 X 4.7 X 2.3 cm. Price: $20 US ID number: d1231 |
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