Wufeng age - Hirnantian age

International Chronostratigraphic TimescaleOrdovician of China
OrdovicianLate OrdovicianHirnantianHirnantianXiaoxita †/ShikouWufeng †443.1
KatianChientangkiangian445.2
Neichianshanian/Hanjiang449.4 *
Sandbian452.8
Middle OrdovicianDarriwilianDarriwilianGuniu †/Hulo458.2
Hunjiang †Dawan †/Daobaowan/Ningkuo466.6 *
DapingianDapingian469.4
Early OrdovicianFloianYiyangian471.3
TremadocianXinchangian477.1
Lianghekou †478.8 *
486.85