Annamitella

Annamitella
Temporal range: Arenig[1][2]
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Clade: Artiopoda
Class: Trilobita
Order: Corynexochida
Family: Leiostegiidae
Genus:
Mansuy, 1916

Annamitella 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