details |
Early Devonian |
Middle Devonian |
England(Oxfordshire) |
Chaloner,W.G. Early Devonian spores from a borehole in Southern England. |
1963 |
details |
Emsian |
Eifelian |
Canada |
Richardson,J.B. Report of Subgroup 13B on Devonian and Lower Carboniferous. |
1962 |
details |
Givetian |
Famennian |
Africa |
Richardson,J.B. Report of Subgroup 13B on Devonian and Lower Carboniferous. |
1962 |
details |
Givetian |
|
Scotland |
Richardson,J.B. Report of Subgroup 13B on Devonian and Lower Carboniferous. |
1962 |
details |
Eifelian |
|
USSR |
Richardson,J.B. Report of Subgroup 13B on Devonian and Lower Carboniferous. |
1962 |
original |
Early Devonian |
|
Canada(Gaspe Area) |
McGregor,D.C. Spores with Proximal Radial pattern from the Devonian of Canada |
1961 |
original |
Early Devonian |
|
Canada(Quebec) |
McGregor,D.C. Spores with Proximal Radial pattern from the Devonian of Canada |
1961 |
original |
Early Devonian |
Middle Devonian |
Canada(Ontario) |
McGregor,D.C. Spores with Proximal Radial pattern from the Devonian of Canada |
1961 |
original |
Early Devonian |
|
Canada(Ontario) |
McGregor,D.C. Spores with Proximal Radial pattern from the Devonian of Canada |
1961 |
original |
Early Devonian |
|
Canada(New Brunswick) |
McGregor,D.C. Spores with Proximal Radial pattern from the Devonian of Canada |
1961 |