| details |
Downtonian |
|
Africa |
Kevan,P.G. et al. Interrelationships of Early terrestrial Arthropods and plants |
1975 |
| details |
Tarannon |
|
Libya |
Boureau,E. et al. Are there vascular plants in the Silurian. |
1973 |
| details |
Dittonian |
|
England(Shropshire) |
Edwards,D. et al. Lower Devonian (Dittonian) plants from the Welsh Borderland. |
1974 |
| details |
Wenlockian |
|
England |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Gedinnian |
|
England |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Wenlockian |
|
Wales |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Gedinnian |
|
Wales |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Ludlovian |
|
France |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Ludlovian |
|
Spain |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Emsian |
|
Canada |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Emsian |
|
Belgium |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Emsian |
|
Germany |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Early Llandoverian |
|
Libya |
Deunff,J. et al. Cambrian to Ordovician palynology and stratigraphy (Northwest Libya). |
1975 |
| details |
Ludlovian |
|
USSR(Estonian SSR) |
Aristova,K.E. et al. Microfossils of stratigraphic type sections from the Upper Silurian of Estonia. |
1976 |
| details |
Middle Gothlandian |
|
S.Ireland(Mayo) |
Smith,D.B. Wenlock plant spores and Tetrads from County Mayo Ireland |
1975 |
| details |
Liassic |
|
Afghanistan |
Ashraf,A.R. The Rhaetian-Jurassic flora of Iran and Afghanistan. 3. The microflora of the Rhaetian to Lower Cretaceous deposits of northern Afghanistan. |
1977 |
| details |
Ludlovian |
|
Indiana |
Wood,G.D. et al. Silurian, (Ludlovian), Plant Megafossils and Trilete spores from northern Indiana and their bearing on Early land plant evolution |
1977 |