| details |
Arenigian |
|
Czechoslovakia |
Loeblich,A.R.,Jr. et al. Some new and revised organic-walled phytoplankton microfossil genera. |
1976 |
| details |
Late Ordovician |
|
Indiana |
Colbath,G.K. Organic-walled microphytoplankton from the Eden Shale, (Upper Ordovician), Indiana, USA. |
1979 |
| details |
Arenigian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Arenigian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Tremadocian |
Early Arenigian |
England(Lancashire) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Arenigian |
|
Austria |
Reitz,E. et al. Palynological evidence for Lower Ordovician rocks (Tremadoc and Arenig) in the northern Greywacke zone (Eastern Alps) |
1992 |
| details |
Arenigian |
|
Austria |
Reitz,E. et al. Palynological evidence for Lower Ordovician rocks (Tremadoc and Arenig) in the northern Greywacke zone (Eastern Alps) |
1992 |
| details |
Llanvirnian |
Llandeilian |
E.Germany(Rostock) |
Servais,T. et al. Acritarch dating of Ordovician sediments of the Island of Rugen (NE.Germany). |
1993 |
| details |
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 |
Arenigian |
|
Italy(Sardinia) |
Di Milia,A. et al. Acritarch findings in Early Paleozoic, low-grade metasediments of Sardinia (Italy): A review. |
1993 |
| 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 |
Arenigian |
|
Pakistan |
Tongiorgi,M. et al. Palynological dating (Arenig) of the sedimentary sequence overlying the Ishkarwaz Granite (Upper Yarkhun Valley, Chitral, Pakistan). |
1994 |
| 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 |
|
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 |
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 |
Turkey |
Martin,F. Recognition of the acritarch-Based "Trifidum flora" (Ordovician) in the absence of the Eponymous species |
1996 |