| This specimen features a fossil echnoid of the species Acrocidaris nobilis from the Oxfordian stage of Switzerland. Measuring approximately 27 mm in diameter, the sea urchin is beautifully preserved within its natural matrix. |
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| | Location: | Péry-Reuchenette, Canton Bern, Jura Mountains, Switzerland | |
| Size Matrix: | about 76 x 53 x 38 mm |
| Age: | Upper Jurassic, Oxfordian , Günsbergschichten (About 161 Ma) |
