| original |
Namurian |
Early Westphalian |
England(Staffordshire) |
Neves,R. Upper Carboniferous plant spore assemblages from the Gastrioceras Subcrenatum horizon, North Staffordshire. |
1958 |
| details |
Namurian |
|
England |
Ramsbottom,W.H.C. et al. Palaeontological characterisation of the Namurian of the stratotype area. (A report of the Namurian Working Group). |
1979 |
| details |
Namurian A |
Namurian C |
Europe |
Butterworth,M.A. Upper Carboniferous. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) |
1984 |