| details |
Early Visean |
Middle Visean |
China |
Gao,L. Carboniferous spore assemblages in China. (In: Biostratigraphy. P.K.Sutherland and W.L.Manger, editors) |
1984 |
| details |
Namurian |
|
China(Kansu) |
Zhu,H. A revised palynological Sub-Division of the Namurian of Jingyuan, Northwest China |
1993 |
| details |
Springerian |
|
Oklahoma |
Felix,C.J. et al. Palynology of the Springer Formation of southern Oklahoma, USA. |
1967 |
| details |
Early Visean |
Middle Visean |
China(Kansu) |
Gao,L. Lower Carboniferous miospore zonation of Chouniugou Formation from Jingyuan, Gansu. |
1988 |
| details |
Nd |
|
Nd |
Sullivan,H.J. Progress report of CIMP Working Group No.7 on genus Tripartites |
1962 |