| details |
Early Siegenian |
Middle Siegenian |
W.Germany(N.Rhine) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Middle Caradocian |
Middle Ashgillian |
Baltic Sea |
Vecoli,M. et al. Quantitative evaluation of microplankton palaeobiogeography in the Ordovician-Early Silurian of the northern Trans European Suture Zone: implications for the timing of the Avalonia-Baltica collision. |
2001 |
| details |
Middle Caradocian |
Middle Ashgillian |
Germany(Rostock) |
Vecoli,M. et al. Quantitative evaluation of microplankton palaeobiogeography in the Ordovician-Early Silurian of the northern Trans European Suture Zone: implications for the timing of the Avalonia-Baltica collision. |
2001 |
| details |
Arenigian |
Llanvirnian |
France(Ardennes) |
Steemans,P. Paleogeography of the Eo-Devonian of Ardennes and Surrounding Regions |
1989 |
| details |
Arenigian |
Llandeilian |
Belgium |
Servais,T. Contribution to the stratigraphy of the Ordovician Rigenee Formation (Brabant Massif, Belgium) with a preliminary study on acritarchs. |
1991 |
| details |
Arenigian |
Llandeilian |
Belgium |
Vanguestaine,M. Advances in Cambro-Ordovician stratigraphy using acritarchs in Ardenne, Ireland, England, Wales and eastern Newfoundland. |
1986 |
| details |
Late Gedinnian |
Early Siegenian |
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Late Arenigian |
Early Llanvirnian |
Pakistan |
Quintavalle,M. et al. Lower to Middle Ordovician acritarchs and chitinozoans from northern Karakorum Mountains, Pakistan. |
2000 |
| details |
Llanvirnian |
Caradocian |
Belgium |
Martin,F. et al. Acritarchs, chitinozoans and graptolites of the Ordovician and Silurian of the Sennette Valley (Brabant Massive, Belgium) |
1979 |
| details |
Llanvirnian |
Caradocian |
Saudi Arabia |
Molyneux,S.G. et al. Palynology of a problematic lower Palaeozoic lithofacies in the central Arabian Basin, Saudi Arabia. |
2000 |
| details |
Emsian |
|
Belgium |
Vanguestaine,M. Reworked acritarchs in the Siegenian and Emsian (Lower Devonian), from Dinant Synclinorium, (Belgium). |
1979 |
| details |
Late Arenigian |
|
Belgium |
Martin,F. et al. Ordovician and Silurian acritarchs, chitinozoans, and graptolites of the Sennette Valley (Brabant Massif, Belgium). |
1979 |
| details |
Caradocian |
|
England(Shropshire) |
Turner,R.E. Reworked acritarchs from the type section of the Ordovician Caradoc series. Shropshire. |
1982 |
| details |
Llanvirnian |
|
Belgium |
Martin,F. Cambrian-Ordovician acritarchs of the Massif du Brabant, Belgium. |
1975 |
| details |
Llanvirnian |
|
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
| details |
Late Llanvirnian |
|
Wales |
Trythall,R.J.B. et al. Age and controls of Ironstone deposition (Ordovician) North Wales. |
1987 |
| details |
Llanvirnian |
|
Czechoslovakia |
VavrdovЎ,M. New genera of acritarchs from the Bohemian Ordovician. |
1986 |