| details |
Late Llanvirnian |
|
E.Germany(Rostock) |
Burmann,G. Further organic microfossils from the Lower Ordovician. |
1970 |
| details |
Early Arenigian |
|
France |
Rauscher,R. Ordovician acritarchs from France. |
1974 |
| details |
Arenigian |
Llanvirnian |
Belgium |
Vanguestaine,M. New palynological information on the Lower Ordovician from the Senne Basin, Massif du Brabant, Belgium. |
1977 |
| details |
Tremadocian |
Early Wenlockian |
S.Ireland(Tipperary) |
Colthurst,J.R.J. et al. Palaeontological evidence for the age of the Lower Palaeozoic rocks of the Slievenamon Inlier, County Tipperary. |
1977 |
| details |
Tremadocian |
Early Wenlockian |
S.Ireland(Tipperary) |
Colthurst,J.R.J. et al. Palaeontological evidence for the age of the Lower Palaeozoic rocks of the Slievenamon Inlier, County Tipperary. |
1977 |
| details |
Emsian |
|
Belgium |
Vanguestaine,M. Reworked acritarchs in the Siegenian and Emsian (Lower Devonian), from Dinant Synclinorium, (Belgium). |
1979 |
| details |
Tremadocian |
|
Ireland(Isle Of Man) |
Molyneux,S.G. New evidence for the age of the Manx Group, Isle of Man. |
1979 |
| details |
Late Llandoverian |
Early Wenlockian |
Italy(Sardinia) |
Del Rio,M. et al. Silurian acritarchs of the Paleozoic succession of Domusnovas, (southwest Sardinia). |
1979 |
| details |
Arenigian |
|
Ireland |
Smith,D.G. Progress in Irish Lower Palaeozoic palynology. |
1981 |
| original |
Late Tremadocian |
Early Arenigian |
Italy(Sardinia) |
Barca,S. et al. Discovery of Lower Ordovician acritarchs in the "Postgotlandiano' sequence of southwestern Sardinia (Italy)-Age and tectonic implications |
1981 |
| details |
Middle Arenigian |
Late Arenigian |
Bulgaria |
Kalvacheva,R.K. Palynological evidence for the Early-Ordovician (Arenigian) age of ophiolites in the Botevgran District (West Balkan Mountain) Bulgaria. |
1982 |
| details |
Late Arenigian |
|
Bulgaria |
Kalvacheva,R.K. Palynology and stratigraphy of the Diavase-Phyllitoid complex in the West Balkan Mountains. |
1982 |
| details |
Tremadocian |
Arenigian |
Italy(Sardinia) |
Tongiorgi,M. et al. First datation of palynological (acritarch) of the Solanas Formation (Tremadoc, Arenig) (Meana Sardo, Central Sardinia) |
1982 |
| details |
Ludlovian |
Early Downtonian |
Libya |
Al-Ameri,T.K. Acid resistant microfossils used in the determination of Paleozoic palaeoenvironments in Libya. |
1983 |
| details |
Early Gedinnian |
|
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| original |
Early Arenigian |
|
Wales |
Molyneux,S.G. Appendix: Acritarchs and chitinozoa from the Arenig series of southwest Wales. (In: The Arenig Series in South Wales: Stratigraphy and palaeontology.) |
1987 |
| details |
Late Tremadocian |
Early Arenigian |
England(Lancashire) |
Molyneux,S.G. et al. The age of the Watch Hill Grits, (Ordovician), English Lake District; Structural and palaeogeographical implications. |
1988 |