Type
Age
Age range
493–492 Ma
Furongian
Jiangshanian
Batyrbaian
Aksaian
Sakian
Batyrbaian
Aksaian
Sakian
493.0492.9492.9492.9492.8492.8492.7492.6492.6492.6492.5492.4492.4492.4492.3492.3492.2492.1492.1492.1492.0