Penarosa
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Penarosa is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Middle Cambrian (Ptychagnostus atavus Zone to Ptychagnostus punctuosus Zone),[1] approximately 505 to 500 million years ago.
Quick Facts Penarosa Temporal range: Cambrian, Scientific classification ...
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Genus: | Penarosa |
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