| original |
Early Stephanian |
|
France(Lorraine) |
Venkatachala,B.S. et al. Sporological study of the coals from Falkenberg (Faulquemont) Colliery, Lothringen (Lorrain) France. |
1964 |
| details |
Middle Namurian |
|
England(Northumberland) |
Butterworth,M.A. et al. Namurian and Basal Westphalian A miospore assemblage from the Featherstone area, Northern England. |
1982 |
| details |
Middle Namurian |
Early Westphalian A |
Nd |
Butterworth,M.A. et al. Namurian and Basal Westphalian A miospore assemblage from the Featherstone area, Northern England. |
1982 |
| details |
Namurian A |
|
Europe |
Butterworth,M.A. Upper Carboniferous. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) |
1984 |
| details |
Namurian A |
|
Europe |
Butterworth,M.A. Upper Carboniferous. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) |
1984 |