| original |
Early Westphalian A |
|
England(Gloucestershire) |
Sullivan,H.J. Miospores from the Drybrook Sandstone and associated measures in the forest of Dean Basin, Gloucestershire. |
1964 |
| details |
Springerian |
|
Oklahoma |
Felix,C.J. et al. Palynology of the Springer Formation of southern Oklahoma, USA. |
1967 |
| details |
Chesterian |
|
Iowa |
Urban,J.B. Palynology and the Independence Shale of Iowa. |
1971 |
| details |
Devonian |
Middle Carboniferous |
Romania |
Maier,O.W. et al. Age of Crystalline Schist Formations of the Locva Mountains. |
1976 |
| details |
Namurian A |
Westphalian A |
Europe |
Butterworth,M.A. Upper Carboniferous. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) |
1984 |
| details |
Namurian |
|
China(Kansu) |
Zhu,H. A revised palynological Sub-Division of the Namurian of Jingyuan, Northwest China |
1993 |