| details |
Middle Siegenian |
Late Siegenian |
Wales(Powys) |
Edwards,D. et al. Locality B8, Brecon Beacons Quarry, (Storey Arms), Powys. (In: A Field Guide to Selected Outcrop Area of the Devonian of Scotland, the Welsh Borderland and South Wales. P.F.Friend and B.P.L.Williams, editors) |
1978 |
| details |
Middle Siegenian |
Late Siegenian |
Wales(Powys) |
Edwards,D. et al. Locality B9, Hoel Senni Quarry, Powys. (In: A Field Guide to Selected Outcrop Area of the Devonian of Scotland, the Welsh Borderland and South Wales. P.F.Friend and B.P.L.Williams, editors) |
1978 |
| details |
Middle Siegenian |
Late Siegenian |
Wales(Pembrokeshire) |
Allen,J.R.L. et al. Field Meeting: The facies of the Lower Old Red Sandstone, North of Milford Haven, Southwest Dyfed, Wales. |
1981 |
| 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 |
| 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 |
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 |
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 |
Downtonian |
Dittonian |
Wales(Carmarthenshire) |
Richardson,J.B. et al. Upper Silurian and Lower Devonian spore assemblages from the Welsh Borderland and South Wales |
1969 |
| details |
Late Gedinnian |
Siegenian |
Wales(Carmarthenshire) |
Wellman,C.H. et al. The Cosheston Group (Lower Old Red Sandstone) in southwest Wales: age, correlation and palaeobotanical significance. |
1998 |
| details |
Siegenian |
|
Wales |
Richard,G. Composition and stratigraphic significance of dispersed-miospore assemblages from the Lower Devonian Cosheston Group, southwest Wales. |
1984 |
| details |
Early Siegenian |
Middle Siegenian |
Wales |
Thomas,R.G. Locality B16, Muscle Bridge Quarry, Neyland, southwest Pyfed. (In: A Field Guide to Selected Outcrop Area of the Devonian of Scotland, the Welsh Borderland and South Wales. P.F.Friend and B.P.L.Williams, editors) |
1978 |
| details |
Downtonian |
Siegenian |
Wales |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Downtonian |
Siegenian |
Wales |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Pridolian |
Gedinnian |
Wales |
Gray,J. Spores of Land-Plant type. |
1977 |
| details |
Pridolian |
Gedinnian |
Wales |
Gray,J. Spores of Land-Plant type. |
1977 |
| details |
Early Emsian |
|
W.Germany(Rhineland) |
Moreau-Benoit,A. et al. Palynological datation the beds enclosing the plomb-zinc mineralization in the Weiss and Luderich Mines, (Lower Devonian, Bergishes Land, Rhine Schist Massif). |
1985 |
| details |
Middle Siegenian |
Late Siegenian |
W.Germany(Rhineland) |
Volkmer,U. Spore stratigraphy of the Lower Devonian, (Siegenian - Emsian) within the Southern Bergisches Land (Rhenish Massif). |
1985 |