| details |
Late Givetian |
Middle Frasnian |
Canada(Arctic) |
Whiteley,M.J. Givetian and Frasnian spores from the Key Point Well, Parry Islands, Arctic Canada. |
1980 |
| details |
Middle Wenlockian |
Late Wenlockian |
Scotland(Dumfries) |
White,D.E. et al. Biostratigraphy of Late Llandovery (Telychian) and Wenlock Turbiditic sequences in the southwest Southern Uplands, Scotland. |
1992 |
| details |
Lochkovian |
|
Scotland(Strathclyde) |
Wellman,C.H. A Lower Devonian sporomorph assemblage from the Midland Valley of Scotland |
1993 |
| details |
Lochkovian |
|
Scotland(Strathclyde) |
Wellman,C.H. Palynology of the "Lower Old Red Sandstone" at Glencoe, Scotland. |
1994 |
| 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(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(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 |
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(Carmarthenshire) |
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(Carmarthenshire) |
Wellman,C.H. et al. The Cosheston Group (Lower Old Red Sandstone) in southwest Wales: age, correlation and palaeobotanical significance. |
1998 |
| details |
Late Devonian |
Early Mississippian |
Pennsylvania |
Warg,J.B. et al. A palynological study of shales and coals of a Devonian-Mississippian transition zone, Central Pennsylvania. |
1973 |
| details |
Late Famennian |
|
China(Hunan) |
Wang,G. et al. The Devonian-Carboniferous boundary of Benthonic facies in Central Hunan |
1987 |
| details |
Aptian |
Albian |
China(Heilungkiang) |
Wan,C. et al. The sporopollen assemblage of the Early Cretaceous in Jixi Basin, Heilongjiang Province. |
2000 |
| original |
Siegenian |
Visean |
Poland |
Visarion,A. et al. On the Devonian - Lower Carboniferous age of the slightly metamorphosed Formation of the Moniom Nappe, (Banat). |
1985 |