CalciteEchinosphaerites.jpg
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Summary
| Description |
English:
Calcite crystals inside a test of the cystoid
Echinosphaerites aurantium
(Middle Ordovician, Estonia).
|
| Date | |
| Source | Own work |
| Author | Mark A. Wilson (Department of Geology, The College of Wooster). [1] |
Licensing
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