| details |
Early Emsian |
|
Canada(Gaspe Area) |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
| details |
Early Emsian |
|
Canada(Quebec) |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
| details |
Lochkovian |
|
France(Finistere) |
Deunff,J. et al. On the presence of a rich Silurian-Devonian microplankton acritarchs spores and chitinozoans at the top of the shales and quartzites of Plougastel, Brest-Finistere Basin. |
1976 |
| details |
Emsian |
|
Canada(Quebec) |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.11.Biostratigraphy. |
1977 |
| details |
Gedinnian |
|
Bolivia |
McGregor,D.C. Late Silurian and Devonian spores from Bolivia |
1984 |