| details |
Late Downtonian |
Early Dittonian |
France(Mayenne) |
d'Erceville,M.A. The spores of Silurian - Devonian Formations of St.Pierre-sur-Erve, (Massif Armoricain). |
1979 |
| details |
Devonian |
|
China |
Kao,L.-D. et al. Devonian continental sedimentary south China, formations of south China. |
1978 |
| details |
Llandoverian |
|
Virginia |
Pratt,L.M. et al. Evidence of non-vascular land plants from the Early Silurian (Llandoverian) of Virginia, USA. |
1978 |
| details |
Late Ordovician |
Early Gothlandian |
USSR(Yaroslav) |
Aristova,K.E. et al. Upper Ordovician and Silurian of the Moscow Syneclise |
1977 |
| details |
Early Emsian |
|
Scotland(Caithness) |
Collins,A.G. et al. The age of two Old Red Sandstone sequences in southern Caithness. |
1977 |
| details |
Ludlovian |
|
Wales(Denbighshire) |
Swanson,V. et al. Acritarchs and chitinozoa from the Whitcliffian (Silurian) Dinas Bran Beds of Llangollen, Clwyd, North Wales. |
1977 |
| details |
Pridolian |
|
Libya |
Gray,J. Spores of Land-Plant type. |
1977 |
| details |
Late Llandoverian |
|
Canada(Quebec) |
Achab,A. Acritarchs from the Awantjish Formation (Upper Llandoverian) in the Val Brillant Borehold, Matapedia Valley, Quebec. |
1976 |
| details |
Silurian |
Devonian |
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 |
Pridolian |
Gedinnian |
France(Manche) |
Rauscher,R. et al. Microfossils (Acritarches, chitinozoans, and spores) of beds next to the Silurian-Devonian boundary on the Cotentin Penninsula (Normandy). |
1975 |
| details |
Early Llandoverian |
|
Libya |
Deunff,J. et al. Cambrian to Ordovician palynology and stratigraphy (Northwest Libya). |
1975 |
| details |
Silurian |
|
Romania |
Givulescu,R. Fossil flora of Roumania. Second Supplement, Second Part. |
1974 |
| details |
Downtonian |
Givetian |
Africa(Sahara) |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Siegenian |
|
England |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Siegenian |
|
Wales |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Gedinnian |
|
Scotland |
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 |