| 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 |
Early Westphalian B |
|
England(Shropshire) |
Turner,N. et al. Palynological evidence for the age of the Coal Measures of the Titterstone Clee Coalfield, Shropshire, England. |
1990 |
| details |
Westphalian A |
Westphalian D |
Nd |
Scott,A.C. et al. Paleozoic spores and pollen. Chapter 18G Palaeozoic megaspores. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Duckmantian |
|
England(Yorkshire) |
Cottnam,C.F. et al. Diversity of exine structure in Upper Carboniferous (Westphalian) selaginellalean megaspores. |
2000 |