| details |
Westphalian |
Stephanian |
England |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Westphalian |
|
England(Gloucestershire) |
Spinner,E. The occurrence and distribution of megaspores in Drybrook Sandstone and associated Measures of the Forest of Dean Basin, Gloucestershire, England |
1984 |
| details |
Asbian |
|
England(Gloucestershire) |
Cleal,C.J. Plant macrofossils from the Edgehills Sandstone, Forest of Dean |
1986 |
| 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 |
Westphalian B |
|
W.Germany(Rhineland) |
Moller,G.W. Microfloristic and micropetrographic investigation from the Middle Alsdorfer Beds, (Layer 10-17) of the Emil Mayrisch Ravine in Aachener Coal Seam. (In: The Geology of Northwestern German Coal Beds.) |
1966 |
| details |
Duckmantian |
|
England(Yorkshire) |
Cottnam,C.F. et al. Diversity of exine structure in Upper Carboniferous (Westphalian) selaginellalean megaspores. |
2000 |