Mold and Cast Trilobite Fossil

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Mold and cast of a trilobite (Diacalymene ouzregui) fossil in a siltstone concretion. Central Morocco, Ktaoua Formation. Lower Ordovician Period, 505-438 million years old.
Mold and cast of a trilobite (Diacalymene ouzregui) fossil in a siltstone concretion. Central Morocco, Ktaoua Formation. Lower Ordovician Period, 505-438 million years old.
Filename: GLM2001.jpg
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