Darriwilian
Age
- Base: 467.3 Ma (GTS 2012), 468.1 (GTS 2004)
- Top: 458.4 Ma (GTS 2012), 460.9 (GTS 2004)
- Duration: 8.9 Ma (GTS 2012), 7.2 (GTS 2004)
Global stratotype section and point (GSSP)
- Locality: Huangnitang section, Changshan, Zhejiang Province, SE China (28.8539°N, 118.4897°E)
- Boundary level: base of Bed AEP 184
- Correlation events: Graptolite FAD Undulograptus austrodentatus
- Status: Ratified 1997, Episodes 20/3, p. 158-166, 1997
GSSP for the Darriwilian Stage in Huangnitang section, Zhejiang, SE China. Prof. Chen Xu pointing to the boundary level. Photo by Olle Hints.