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Asthenopsis

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Asthenopsis
Temporal range: Cambrian[1]
Fossil
Scientific classification
Kingdom:
Phylum:
Class:
Family:
Ptychopariidae
Genus:
Asthenopsis

Whitehouse, 1939

Asthenopsis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period,[1] which lasted from approximately 542 to 488 million years ago.

References

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  1. ^ a b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Archived from the original on September 5, 2006. Retrieved 2008-01-12.