| original |
Late Wenlockian |
|
Wales(Glamorgan) |
Burgess,N.D. et al. Classification of Uppermost Ordovician to Lower Devonian tubula and filamentous macerals from the Anglo-Welsh Basin. |
1991 |
| details |
Wenlockian |
Gedinnian |
Wales(Glamorgan) |
Burgess,N.D. et al. Classification of Uppermost Ordovician to Lower Devonian tubula and filamentous macerals from the Anglo-Welsh Basin. |
1991 |
| details |
Early Wenlockian |
Lochkovian |
Scotland(Stirling) |
Wellman,C.H. "Phytodebris" from Scottish Silurian and Lower Devonian continental deposits. |
1995 |
| details |
Wenlockian |
|
Wales |
Edwards,D. et al. Miscellaneous. 13F: Older plant macerals (excluding spores). (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| 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 |