| details |
Llanvirnian |
|
Wales(Gwynedd) |
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 |
Early Ordovician |
|
USSR(Kazakh SSR) |
Danilevich,A.M. et al. Vertebrate Microremains in the Red Mosassoid rocks of northern Kazakhstan |
1990 |
| details |
Middle Cambrian |
Tremadocian |
Canada(Newfoundland) |
Parsons,M.G. et al. The biostratigraphic potential of Middle Cambrian to Tremadocian acritarchs; Modification of existing zonal schemes based on material from conception and Trinity Bays, Newfoundland and St.John, New Brunswick. |
1990 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Tremadocian |
Early Arenigian |
Estonia |
Paalits,I. Biostratigraphy: Acritarchs |
1990 |
| details |
Llanvirnian |
|
Saudi Arabia |
McClure,H.A. Chitinozoan and acritarch assemblages stratigraphy and biogeography of the Early Palaeozoic of Northw West Arabia |
1988 |
| details |
Late Cambrian |
Early Tremadocian |
Canada(Newfoundland) |
Parsons,M.G. et al. Three new assemblages of acritarchs from Late Upper Cambrian to Early Tremadocian rocks of Random Island, Trinity Bay, Eastern Newfoundland. |
1986 |
| details |
Ordovician |
|
Brazil(Amazonas) |
de Quadros,L.P. et al. Ordovician acritarchae in the Alto Amazonas Sub-Basin, Brazil. |
1986 |
| details |
Arenigian |
Llanvirnian |
Brazil(Amazonas) |
de Quadros,L.P. Occurence of Ordovician microfossils (Acritarchae) in the Alto Amazon Sub Basin, Brazil. |
1986 |
| details |
Ordovician |
|
USSR(Russian Platform) |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Late Tremadocian |
|
China(Yunnan) |
Fang,X. Ordovician micropaleoplants in Kunming-Luguan Region, Yunnan Province and their stratigraphical significance. |
1985 |
| details |
Late Vendian |
Early Cambrian |
India(Karnataka) |
Viswanathiah,M.N. et al. Vendian Cambrian boundary in the Kaladgi Group of rocks of Karnataka, South India. |
1984 |
| details |
Cambrian |
Tremadocian |
Italy |
Sassi,F.P. et al. Acritarch dating of Phyllites in the Agordo area (South-Alpine Basement of the eastern Alps, Italy). |
1984 |
| details |
Arenigian |
Ashgillian |
Saudi Arabia |
Fauconnier,D. Palynological study of Formations of Tertiary Upper Cretaceous, Devonian, Silurian, and Ordovician intersected in 11 boreholes in Northwestern of Royaume, Saudi Arabia (RS.1717) |
1984 |
| details |
Tremadocian |
|
Spain |
Fombella Blanco,M.A. Chitinizoa of the Tremadocian Oville Formation, Leon Province. |
1983 |
| details |
Tremadocian |
|
Argentina |
Bultynck,P. et al. Lower Ordovician conodonts and acritarchs and Lower Silurian acritarchs of the northern part of the Argentinian Cordillera. |
1982 |
| details |
Tremadocian |
|
Norway |
Welsch,M. A newly discovered acritarch sequence from the Middle Cambrian to Tremadoc Continental Margin deposits of the Digermul Peninsula, Finnmark, northern Norway. |
1982 |