| details |
Nd |
|
Nd |
Servais,T. et al. The "messaoudensis-trifidum" acritarch assemblage (Ordovician: Tremadoc-Early Arenigian) from the subsurface of Rugen (Baltic Sea, northeast Germany). |
1997 |
| details |
Late Tremadocian |
Early Arenigian |
Turkey |
Martin,F. Recognition of the acritarch-Based "Trifidum flora" (Ordovician) in the absence of the Eponymous species |
1996 |
| details |
Tremadocian |
|
England |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Tremadocian |
Early Ashgillian |
Nd |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Tremadocian |
Early Arenigian |
E.Germany(Rostock) |
Servais,T. et al. A discussion and proposals concerning the Lower Paleozoic "Galeate" acritarch Plexus |
1995 |
| details |
Late Tremadocian |
Early Arenigian |
England(Cumberland) |
Cooper,A.H. et al. The stratigraphy, correlation, provenance and palaeogeography of the Skiddaw Group (Ordovician) in the English Lake District |
1995 |
| details |
Late Tremadocian |
Early Arenigian |
E.Germany(Rostock) |
Servais,T. The Ordovician acritarchs from Rugen, (Northeast Germany), palaeobiogeographical evidence for the attribution to eastern Avalonia. |
1994 |
| details |
Llanvirnian |
Llandeilian |
E.Germany(Rostock) |
Servais,T. et al. Acritarch dating of Ordovician sediments of the Island of Rugen (NE.Germany). |
1993 |
| details |
Late Arenigian |
|
Czechoslovakia |
VavrdovЎ,M. Acritarch assemblages in the Arenig series of the Prague Basin, Czech Republic. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
| details |
Late Tremadocian |
|
Czechoslovakia |
Fatka,O. Chitinozoans and acritarchs in Latest Tremadoc - Early Arenig sediments of the Prague Basin, Czech Republic. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
| details |
Llanvirnian |
Caradocian |
England(Cumberland) |
Millward,D. et al. Field and biostratigraphic evidence for an unconformity at the Base of the Eycott Volcanic Group in the English Lake District |
1992 |
| details |
Llanvirnian |
Caradocian |
England(Cumberland) |
Millward,D. et al. Field and biostratigraphic evidence for an unconformity at the Base of the Eycott Volcanic Group in the English Lake District |
1992 |
| details |
Arenigian |
|
Turkey |
Dean,W.T. et al. Ordovician biostratigraphic correlation in Southern Turkey. (In: Global Perspectives on Ordovician Geology. B.D. Webby and J.R. Laurie, editors) |
1992 |
| details |
Tremadocian |
Early Arenigian |
Czechoslovakia |
Fatka,O. Early Arenig acritarchs from the Lower Klabava Formation (Prague Basin, Czechoslovakia). |
1992 |
| details |
Late Tremadocian |
Early 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 |
Tremadocian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |