Penarosa
Penarosa Temporal range: Cambrian[1] | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Trilobita |
Order: | Ptychopariida |
Suborder: | Ptychopariina |
Superfamily: | Ptychoparioidea |
Family: | Nepeidae |
Genus: | Penarosa |
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.
References
- ^ a b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Retrieved 2008-01-12.
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