| details |
Chesterian |
|
Iowa |
Urban,J.B. Palynology and the Independence Shale of Iowa. |
1971 |
| details |
Westphalian A |
|
Turkey |
Urban,J.B. Palynology and the Independence Shale of Iowa. |
1971 |
| details |
Middle Visean |
|
Alaska |
Ravn,R.L. Miospores of the Kekiktuk Formation (Lower Carboniferous), Endicott Field Area, Alaska North Slope. |
1991 |
| details |
Marsdenian |
Early Langsettian |
England(Derbyshire) |
Turner,N. et al. A palynostratigraphic study of Namurian-Westphalian Deltaic Sequences of the Southern Central Pennine Basin, Derbyshire England. |
1993 |