Type
Zone
Age range
492–489 Ma
Furongian
Stage 10
Jiangshanian
Saukiella serotina
Saukiella junia/Saukiella pyrene
Ellipsocephaloides-Idahoia
492.0491.8491.6491.4491.2491.0490.8490.6490.4490.2490.0489.8489.6489.4489.2489.0