| original |
Westphalian D |
|
England(Gloucestershire) |
Spinner,E. Westphalian D megaspores from the Forest of Dean Coalfield, England. |
1965 |
| details |
Westphalian D |
|
England |
Pi©rart,P. Systematics, stratigraphic and geographic distribution of Carboniferous and Permian megaspores. |
1975 |
| details |
Late Westphalian C |
Westphalian D |
England |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| 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 |