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Didymograptus murchisoni (Beck in. Murchison, 1839)
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Products description
| This is a good example of the graptolite specues Didymograptus murchisoni. Graptolites are very imported index fossils in the zoneation of the British Ordovician. | |||
Location: | Abereiddy Bay, Pembrokeshire, South Wales,UK | ||
| Size of plate: | about 114 x 53 mm | ||
| Age: | Ordovician, Llanvirn, Hope shales, Didymograptus murchisoni -Biozone (about 470 mill. y.o.) | ||