| details |
Late Gedinnian |
Siegenian |
W.Germany(N.Rhine) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Late Siegenian |
|
W.Germany(N.Rhine) |
Volkmer,U. Palynology of the Odenspiel Beds at the Siegenian type Region (Bergisches Land/ Siegerland) of the Lower Devonian |
1988 |
| 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(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(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(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(Gwent) |
Wellman,C.H. et al. The Cosheston Group (Lower Old Red Sandstone) in southwest Wales: age, correlation and palaeobotanical significance. |
1998 |
| details |
Middle Frasnian |
Late Frasnian |
West Virginia |
Curry,R.P. Miospores from the Upper Devonian (Frasnian) Greenland Gap Group, Allegheny Front, Maryland, West Virginia and Virginia, USA. |
1975 |