original |
Late Siegenian |
Early Emsian |
Canada(Gaspe Area) |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
original |
Late Siegenian |
Early Emsian |
Canada(Quebec) |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
original |
Middle Emsian |
Late Emsian |
Canada(Arctic) |
McGregor,D.C. Early Devonian spores from Central Ellesmere Isllnd, Canadian Arctic. |
1974 |
original |
Downtonian |
Siegenian |
Canada(Ontario) |
McGregor,D.C. et al. Upper Silurian? to Middle Devonian spores of the Moose River Basin, Ontario. |
1976 |
original |
Late Gedinnian |
Middle Siegenian |
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
original |
Late Gedinnian |
Emsian |
W.Germany(N.Rhine) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
original |
Gedinnian |
|
France |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |