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Hypagnostus parvifrons (LINNARSSON,1869)
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Products description
A nice specimen from the Wheeler formation. H. parvifrons in known from the Wheeler and the Marjum Fm. |
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| | Location: | Millard Co., Utah, USA | |
| Size trilobite: | about 7 mm long |
| Age: | Middle Cambriun, Wheeler Fm. (about 518 Mill. Y.) |