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Onymagnostus seminula (WHITEHOUSE, 1939)
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Products description
Here is a very rare agnostid trilobite from the Chisholm Formation of Utah. |
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| | Location: | House Range, Utah, USA | |
| Size: | about 4 mm long |
| Age: | Mid. Cambrian, Chisholm Fm. (ca. 515 Mill. Jahre) (about 515 Mill. Jahre) |