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Extinct genus of trilobites From Wikipedia, the free encyclopedia
Ningkianolithus is an extinct genus of trilobites in the family Trinucleidae. The genus lived during the early part of the Arenig stage of the Ordovician Period,[1] a faunal stage which lasted from approximately 478 to 471 million years ago.[1]
Ningkianolithus Temporal range: Late Arenig | |
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | †Trilobita |
Order: | †Asaphida |
Family: | †Trinucleidae |
Genus: | †Ningkianolithus Lu, 1954 |
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