| details |
Namurian A |
|
Scotland(Fife) |
Alpern,B. et al. Provisional report of CIMP Group No.2 on Densosporites, (Berry), emended |
1962 |
| details |
Namurian A |
|
Scotland(Fife) |
Butterworth,M.A. et al. Densosporites Berry 1937 and related genera. |
1963 |
| details |
Namurian A |
|
Scotland |
Butterworth,M.A. Densosporites (Berry) Potonie and Kremp, and related genera. Report of CIMP Working Group No.2 |
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 |
Namurian A |
Namurian C |
Europe |
Butterworth,M.A. Upper Carboniferous. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) |
1984 |