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Archaeagnostus

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Extinct genus of trilobites

Archaeagnostus
Temporal range: terminal Toyonian to early Amgaian (Nephrolenellus multinodus-zone, Ovatoryctocara granulata-zone, earliest Kounamkites-zone) PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: †Trilobita (?)
Order: †Agnostida
Family: †Peronopsidae
Genus: †Archaeagnostus
Kobayashi, 1939
Species
  • A. primigeneus Kobayashi, 1939(Type)
  • A. evansi Rasetti and Theokritoff, 1967
  • A. majiangensis Lu, 1974

Archaeagnostus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from the terminal Toyonian to early Amgaian. Species belonging to this genus have been found in Eastern North America, the Newfoundland in Canada, the Henson Gletscher Formation in Greenland, the Nekekit and Molodo Rivers in Eastern Siberia, and in Guizhou, China.

Schematic showing the relationship between Archaeagnostus (light green), other Peronopsid genera (darker green) and other families (other colors). Based on E. B. Naimark (2012). Hundred species of the genus Peronopsis Hawle et Corda, 1847. Paleontological Journal 46(9):945-1057

References

  1. Naimark, E.B. (2012). "Hundred species of the Genus Peronopsis Hawle et Corda, 1847". Paleontological Journal. 46 (9): 945–1057. Bibcode:2012PalJ...46..945N. doi:10.1134/S0031030112090018. S2CID 85130465.
Taxon identifiers
Archaeagnostus


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