This is a rather large and beautiful specimen of a trilobite of the species Ogygiocarella angustissima from the Didymograptus artus biozone of Wales. That corresponds to the Hope Shales of England.The Trilobite itself is about 74 mm long.
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Location: | Pencerring Stream ,Builth Wells Wales, U.K | ||
| Size of Matrix: | about 173 x 79 mm | ||
| Age: | Ordovician, Llanvirn, Llandeilo stage (Darriwilian) Didymograptus artus-Biozone (about 455 Mill. Years) | ||