| details |
Westphalian D |
|
England(Gloucestershire) |
Spinner,E. Westphalian D megaspores from the Forest of Dean Coalfield, England. |
1965 |
| details |
Stephanian |
|
France |
Pi©rart,P. Megaspores of the French Stephanian |
1965 |
| details |
Stephanian |
|
France(Saone-et-Loire) |
Pi©rart,P. Megaspores of the French Stephanian (Blanzy, Decazeville and Autun). |
1962 |
| details |
Stephanian |
|
France(Aveyron) |
Pi©rart,P. Megaspores of the French Stephanian (Blanzy, Decazeville and Autun). |
1962 |
| details |
Carboniferous |
|
W.Germany(N.Rhine) |
Potonie,R. Hypothesising a spore stratigraphy in bituminous coal layers. (In: Handbook of the Microscope in Technology. H.Freund) |
1958 |
| details |
Late Westphalian B |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The spore dispersae of the Rhur Carboniferous, their morphography and stratigraphy with reviews of species of other areas.Part 2 |
1956 |