| details |
Pridolian |
|
Libya |
Gray,J. Spores of Land-Plant type. |
1977 |
| details |
Gedinnian |
|
Scotland |
Gray,J. Spores of Land-Plant type. |
1977 |
| details |
Gedinnian |
|
Wales |
Gray,J. Spores of Land-Plant type. |
1977 |
| details |
Middle Frasnian |
Late Frasnian |
Canada(Arctic) |
Kerr,J.W. Geology of Bathurst Island Group and Byam Martin Island, Arctic Canada. |
1974 |
| details |
Silurian |
|
Libya |
Richardson,J.B. et al. Silurian palynomorphs from the Tanezzuft and Acacus Formations, Tripolitania, North Africa. |
1973 |
| details |
Late Famennian |
|
Canada(Yukon) |
Norford,B.S. et al. Biostratigraphic determinations of fossils from the subsurface of the Yukon Territory and the Districts of MacKenzie Andfranklin |
1970 |
| details |
Gedinnian |
Givetian |
Wales |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Gedinnian |
Givetian |
Scotland |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Gedinnian |
Givetian |
New York |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Gedinnian |
Givetian |
Pennsylvania |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Gedinnian |
|
Wales |
Mortimer,M.G. Some Lower Devonian microfloras from Southern Britain. |
1967 |