| details |
Late Siegenian |
Early Emsian |
W.Germany(Rhineland) |
Volkmer,U. Micropalaeontology (palynology) and biostratigraphy of the Odenspielian strata (Siegenian / Emsian boundary zone) at the type locality at Odenspiel (Oberbergischesland) at the original locality of the Siegenian stage (Lower Devonian). |
1986 |
| 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(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(Carmarthenshire) |
Wellman,C.H. et al. The Cosheston Group (Lower Old Red Sandstone) in southwest Wales: age, correlation and palaeobotanical significance. |
1998 |
| details |
Late Carboniferous |
Early Permian |
Australia(Queensland) |
Wood,G.R. Palynostratigraphy of the Pre-Eromanga Basin sequence in GSQ Wyandra 1 and GSQ Charleville 1. |
1984 |
| original |
Early Devonian |
Middle Devonian |
China(Kansu) |
Ye,X. On the occurrence of spore assemblages from the Shujiaba Region of Tianshui County, Gansu and their stratigraphical significance |
1986 |
| details |
Cretaceous |
|
China |
Zhang,Z.L. Cretaceous sporo-pollen assemblages of South-Central China. (In: Mesozoic and Cenozoic Red Beds of South China.) |
1979 |