| details |
Westphalian D |
|
England(Gloucestershire) |
Spinner,E. Westphalian D megaspores from the Forest of Dean Coalfield, England. |
1965 |
| details |
Westphalian D |
|
England(Gloucestershire) |
Wagner,R.H. et al. The stratigraphic implications of the Westphalian D, macro and microflora of the Forest of Dean Coalfield, (Gloucestershire), England. |
1972 |
| details |
Late Westphalian B |
Westphalian D |
Poland |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Late Westphalian B |
Westphalian D |
England |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Westphalian D |
|
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 |