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Phyllograptus archaios Braithwaite, 1976
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Products description
| Here is a quite rare Phyllograptus archaios from the Fillmore formation of Utah. Graptolites are imported index fossils for the correlation of the Ordovician. | |||
Location: | Ibex, Millard Co., Utah, USA | ||
| Size of Graptolite: | about 18 mm long | ||
| Age: | Lower Ordovician, Llanvirn, Pogonip Group, Fillmore Formation (about 470 mill. y.o.) | ||