| original |
Early Emsian |
|
Canada(Gaspe Area) |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
| original |
Early Emsian |
|
Canada(Quebec) |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
| original |
Late Gedinnian |
Siegenian |
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| original |
Nd |
|
Nd |
Steemans,P. Silurian and Lower Emsian spores in Saudi Arabia. (In: Palaeozoic Palynostratigraphy of the Kingdom of Saudi Arabia. B.Owens et al, editors) |
1995 |