Asthenopsis | |
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Fossil
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Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
Family: | Ptychopariidae
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Genus: | Asthenopsis Whitehouse, 1939
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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.