Annamitella Explained

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.^[1]

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

Notes and References

1. Finney, Global series and stages for the Ordovician System: A progress report, 2005