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