| details |
Late Caradocian |
Ashgillian |
China(Shansi) |
Fu,J. The Ordovician group of micropalaeoflora from Xiliangsi and Jiancaogou Formation of Zhenba Shaanxi. |
1986 |
| details |
Early Cambrian |
|
China(Inner Mongolia) |
Sun,S. The new discovery of fossil microplants in the Jianshan Formation of the Bayan Obo Group, Inner Mongolia. |
1992 |
| details |
Ordovician |
|
China(Inner Mongolia) |
Qiao,X. et al. Composite stratigraphy of the Sailinhuodong Group and ore-bearing micrite mounds in the Bayan Obo deposits, Inner Mongolia, China |
1997 |