| details |
Kungurian |
Zechstein |
China(Shensi) |
Kaiser,H. The Permian microflora of the Cathaysia Layers of Northwestern Shensi, China. |
1976 |
| details |
Early Permian |
|
China(Shansi) |
Kaiser,H. The Permian microflora of the Cathaysia Layers of Northwestern Shensi, China. |
1976 |
| details |
Late Westphalian |
|
China(Shansi) |
Ouyang,S. et al. Upper Carboniferous spores from Shuo Xian, Northern Shanxi. (In: Papers for the 5th International Palynological Conference.) |
1980 |
| details |
Desmoinesian |
|
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |