Biology:Annamitella

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Short description: Extinct genus of trilobite


Annamitella
Temporal range: Arenig[1][2]
Fossil
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Trilobita
Order:
Corynexochida
Superfamily:
Leiostegiacea
Family:
Leiostegiidae
Genus:
Annamitella

Annamitella Mansuy 1916 is a genus of trilobite, extinct marine arthropods. Annamitella lived from the Arenig to the Llandeilo age of the Ordovician Period from 478.6 to 460.9 million years ago.[3]

Distribution

The genus has been reported from:

  • Molles, San Juan and Suri Formations, Argentina
  • Nora Formation, Australia
  • Dawan, Honghuayuan, Laozai, Xiaqiaojia, Duoquanshan, Yingou, Yehli and Shihtzupu Formations, China
  • Alakul and Uzunbulak Formations, Kazakhstan

References

  1. ↑ Fortey and Shergold, Early Ordovician trilobites Nora Fm., 1984
  2. ↑ Fortey and Cocks, Palaeontological evidence bearing on global Ordovician-Silurian continental reconstructions, 2003;
  3. ↑ Finney, Global series and stages for the Ordovician System: A progress report, 2005

Wikidata ☰ Q4767897 entry



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