| details |
Gedinnian |
|
Wales(Pembrokeshire) |
Chaloner,W.G. The Rise of the first land plants |
1970 |
| 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 |
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 |
Dittonian |
|
Wales(Carmarthenshire) |
Richardson,J.B. et al. Upper Silurian and Lower Devonian spore assemblages from the Welsh Borderland and South Wales |
1969 |
| details |
Early Gedinnian |
|
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 |
Early Siegenian |
Middle Siegenian |
Wales |
Richardson,J.B. et al. Palynology, zonation, and provenance of the Upper Red Marl Group and the Senni Beds, (Lower and Middle Siegenian), Brecknockshire, middle-south Wales. |
1980 |
| details |
Gedinnian |
|
Wales |
Richardson,J.B. et al. Acritarchs, miospores and correlation of the Ludlovian - Downtonian and Silurian - Devonian boundaries. |
1981 |
| details |
Downtonian |
Siegenian |
Wales |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Dittonian |
|
Wales |
Owens,B. et al. Some recent advances in Devonian palynology. A review. Report of CIMP Working Group No.13B. |
1972 |
| details |
Early Devonian |
|
Wales |
Kevan,P.G. et al. Interrelationships of Early terrestrial Arthropods and plants |
1975 |
| details |
Gedinnian |
Siegenian |
Wales |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Early Gedinnian |
|
Wales |
Potonie,R. Synopsis of the genera of the sporae dispersae.Part 7 |
1975 |
| details |
Gedinnian |
|
Wales |
Gray,J. Spores of Land-Plant type. |
1977 |
| details |
Early Gedinnian |
|
Wales |
Gerrienne,P. et al. A biostratigraphic method based on a quantification of the characters of Devonian Tracheophytes |
1994 |