| original |
Early Namurian |
Middle Namurian |
England(Northumberland) |
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 |
| original |
Permian |
|
China(N.China) |
Gao,L. et al. Spores and pollen. Carboniferous and Permian spores and pollen. (In: Paleontological Atlas of North China.III.Micropaleontological Volume.) |
1984 |
| details |
Late Carboniferous |
Permian |
China(N.China) |
Gao,L. et al. Spores and pollen. Carboniferous and Permian spores and pollen. (In: Paleontological Atlas of North China.III.Micropaleontological Volume.) |
1984 |