| details |
Siegenian |
Early Emsian |
Poland |
Turnau,E. Lower to Middle Devonian spores from the vicinity of Pionki, (central Poland). |
1986 |
| original |
Siegenian |
Middle Siegenian |
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| original |
Middle Siegenian |
Late Siegenian |
W.Germany(N.Rhine) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Early Emsian |
|
Poland |
Turnau,E. et al. Early Devonian miospores and age of the Zwolen Formation (Old Red Sandstone Facies) from Ciepielow IG-1 Borehole. |
1989 |