original |
Gedinnian |
Siegenian |
Belgium |
Steemans,P. Stratigraphical study of the spores in the Gedinnian - Siegenian Transition Beds at Nonceveux and Spa, (Belgium). |
1981 |
original |
Gedinnian |
Emsian |
Belgium |
Streel,M. et al. Stratigraphic studies of Lower Devonian spores from the Margin of the Dinant (Belgium) Synclinorium and their applications. |
1981 |
original |
Late Gedinnian |
|
Belgium |
Steemans,P. et al. The Gedinnian micro and macro flora of La Gileppe, Vesdre Syncline, Belgium |
1984 |
original |
Late Gedinnian |
Siegenian |
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
original |
Late Gedinnian |
Siegenian |
W.Germany(N.Rhine) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
original |
Late Gedinnian |
|
Romania |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |