| details |
Early Downtonian |
|
Wales(Montgomeryshire) |
Fanning,U. et al. A review of in situ, spores in Silurian land plants. (In: Pollen and Spores, Patterns of Diversification. S.Blackmore and S.H.Barnes, editors) |
1991 |
| original |
Early Downtonian |
|
Wales(Carmarthenshire) |
Richardson,J.B. et al. Upper Silurian and Lower Devonian spore assemblages from the Welsh Borderland and South Wales |
1969 |
| details |
Late Ludlovian |
Downtonian |
Wales |
Richardson,J.B. et al. Acritarchs, miospores and correlation of the Ludlovian - Downtonian and Silurian - Devonian boundaries. |
1981 |
| details |
Pridolian |
|
Wales |
Gray,J. Spores of Land-Plant type. |
1977 |
| details |
Late Gedinnian |
|
W.Germany(N.Rhine) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Pridolian |
|
Scotland |
Gray,J. Spores of Land-Plant type. |
1977 |
| details |
Late Gedinnian |
|
Romania |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Downtonian |
Early Gedinnian |
Northern Hemisphere |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
| details |
Downtonian |
|
Libya |
Richardson,J.B. et al. Acritarchs, miospores and correlation of the Ludlovian - Downtonian and Silurian - Devonian boundaries. |
1981 |
| details |
Downtonian |
|
Libya |
Richardson,J.B. et al. Silurian palynomorphs from the Tanezzuft and Acacus Formations, Tripolitania, North Africa. |
1973 |
| details |
Pridolian |
|
Libya |
Gray,J. Spores of Land-Plant type. |
1977 |
| details |
Ludlovian |
Early Lochkovian |
Libya |
Rubinstein,C.V. et al. Miospore assemblages from the Silurian - Devonian boundary, in Borehole A1-61, Ghadamis Basin, Libya. |
2002 |
| details |
Early Downtonian |
|
Ireland |
Aldridge,R.J. et al. Microfossil distribution in the Silurian of Britian and Ireland. |
1979 |
| details |
Middle Devonian |
Late Devonian |
Iran |
Kimyai,A. Devonian spores from the Hassanakdar area, Iran. |
1979 |
| details |
Frasnian |
|
Iran |
Ghavidel-Syooki,M. Biostratigraphy and paleo-biogeography of some Paleozoic rocks at Zagros and Alborz Mountains. |
1994 |
| details |
Frasnian |
|
Iran |
Ghavidel-Syooki,M. Palynostratigraphy and palaeogeography of a Palaeozoic sequence in the Hassanakdar area, Central Alborz Range, Northern Iran. |
1995 |
| details |
Early Gedinnian |
Early Siegenian |
France(Morbihan) |
Le H©riss©,A. The Lower Devonian spores of the Armorican Massif |
1981 |