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Cyrtospirifer extensus

Cyrtospirifer extensus

SKU: DBR 5.3
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This brachiopod has a very long hingeline, accounting for almost a third of the width of the sample. Both sulcus and ribs are to be seen, but this sample is a very flattened, at it is preserved in slate. In life it would have looked like the cyrospirifer preserved in calcite, DBR 5.0 From the Delabole slate quarry, Cornwall, where they are known as Delabole butterflies.

Size: 80 x 20mm