| details |
Late Gedinnian |
Siegenian |
Wales(Dyfed) |
Wellman,C.H. et al. The Cosheston Group (Lower Old Red Sandstone) in southwest Wales: age, correlation and palaeobotanical significance. |
1998 |
| details |
Late Gedinnian |
Siegenian |
Wales(Glamorgan) |
Wellman,C.H. et al. The Cosheston Group (Lower Old Red Sandstone) in southwest Wales: age, correlation and palaeobotanical significance. |
1998 |
| details |
Middle Lochkovian |
|
Wales(Gwent) |
Wellman,C.H. et al. A new plant assmblage (microfossil and megafossil) from the Lower Old Red Sandstone of the Anglo-Welsh Basin: Its implications for the palaeoecology of early terrestrial ecosystems. |
2000 |
| details |
Late Gedinnian |
Siegenian |
Wales(Gwent) |
Wellman,C.H. et al. The Cosheston Group (Lower Old Red Sandstone) in southwest Wales: age, correlation and palaeobotanical significance. |
1998 |
| details |
Early Downtonian |
|
Wales(Montgomeryshire) |
Fanning,U. et al. A review of in situ, spores in Silurian land plants. (In: Pollen and Spores, Patterns of Diversification. S.Blackmore and S.H.Barnes, editors) |
1991 |