| details |
Arenigian |
Llanvirnian |
France(Ardennes) |
Steemans,P. Paleogeography of the Eo-Devonian of Ardennes and Surrounding Regions |
1989 |
| details |
Late Arenigian |
|
England(Cumberland) |
Cooper,A.H. et al. The age and correlation of Skiddaw Group (Early Ordovician), sediments in the Cross Fell Inlier (Northern England) |
1990 |
| details |
Early Arenigian |
|
England(Cumberland) |
Molyneux,S.G. Advances and problems in Ordovician palynology in England and Wales |
1990 |
| details |
Early Arenigian |
|
Wales(Carmarthenshire) |
Molyneux,S.G. Advances and problems in Ordovician palynology in England and Wales |
1990 |
| details |
Early Paleozoic |
|
Bulgaria |
Kalvacheva,R.K. Review of microfossil Datings (Early Paleozoic acritarchs and Devonian Crinoids Ossicls) of Low Grade metamorphic rocks in Stara Planina Mts and Vakarel Hill |
1990 |
| 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 |
Tremadocian |
Arenigian |
England(Cumberland) |
Fortey,R.A. et al. Progress and problems in the selection of stratotypes for the B of series in the Ordovician System of the historical type area the United Kingdom. (In: Advances in Ordovician Geology. C.R.Barnes and S.H.Williams, editors) |
1991 |
| details |
Ashgillian |
|
Wales(Powys) |
Barron,H.F. Moyeria carbottii from the Ordovician of Wales, United Kingdom. |
1991 |
| details |
Caradocian |
|
Wales(Gwynedd) |
Barron,H.F. Moyeria carbottii from the Ordovician of Wales, United Kingdom. |
1991 |
| details |
Late Llandoverian |
Early Wenlockian |
S.Ireland(Tipperary) |
McCaffrey,W.D. et al. Recycled acritarchs as provenance indicators;Implications for Caledonian Terrane reconstruction |
1992 |
| details |
Late Llandoverian |
Early Wenlockian |
S.Ireland(Galway) |
McCaffrey,W.D. et al. Recycled acritarchs as provenance indicators;Implications for Caledonian Terrane reconstruction |
1992 |
| details |
Ashgillian |
|
Belgium |
Tourneur,F. et al. A preliminary study of Ashgil Carbonate Beds from the Lower Part of the Fosses Formation (Condroz, Belgium). |
1993 |
| details |
Early Llanvirnian |
|
W.Germany(Niedersachsen) |
Maletz,J. et al. Acritarchs and graptolites from the Early Llanvirn (Ordovician) of the Herscheider Schichten (Rheinisches Schiefergebirge, Germany). |
1993 |
| details |
Llanvirnian |
Llandeilian |
E.Germany(Rostock) |
Servais,T. et al. Acritarch dating of Ordovician sediments of the Island of Rugen (NE.Germany). |
1993 |
| details |
Kosovian |
|
Czechoslovakia |
Dufka,P. et al. Chitinozoans and acritarchs from the Ordovician - Silurian boundary of the Prague Basin, Czech Republic. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
| details |
Arenigian |
|
Italy(Sardinia) |
Di Milia,A. et al. Acritarch findings in Early Paleozoic, low-grade metasediments of Sardinia (Italy): A review. |
1993 |
| details |
Llanvirnian |
|
E.Germany(Rostock) |
Servais,T. The Ordovician acritarchs from Rugen, (Northeast Germany), palaeobiogeographical evidence for the attribution to eastern Avalonia. |
1994 |