| details |
Cambrian |
Tremadocian |
USSR(Estonian SSR) |
Volkova,N.A. The age of the Ulgazek Series at the Cambrian - Ordovician contact in Estonia. |
1982 |
| details |
Ordovician |
Silurian |
France(Lot-et-Garonne) |
Baudelot,S. et al. Paleozoic basins hidden under the Aquitaine: Micropaleontological study of core collected during petroleum investigations. (In: Program of deep geology of France first phase of investigation-1983-1984) |
1984 |
| details |
Cambrian |
Ordovician |
India(Madhya Pradesh) |
Navale,V. et al. Precambrian of India-Possible source of evidence for early life. |
1985 |
| details |
Cambrian |
Ordovician |
India(Madhya Pradesh) |
Venkatachala,B.S. Precambrian palynology;a review. (In: Proceedings of Colloquium on Paleontological Studies in Southern Region. M.V.A. Sastry et al editors) |
1979 |
| details |
Early Cambrian |
Middle Cambrian |
Canada(Newfoundland) |
Martin,F. et al. Late Early Cambrian and Early Middle Cambrian acritarchs from Manuels River, Eastern Newfoundland. |
1983 |
| details |
Early Cambrian |
Middle Cambrian |
S.Ireland(Offaly) |
Brмck,P.M. et al. The Lower Palaeozoic stratigraphy of the northern part of the Leinster Massif |
1974 |
| details |
Early Cambrian |
Middle Cambrian |
Canada(Quebec) |
Lavoie,D. et al. Stratigraphic framework for the Cambrian-Ordovician rift and passive margin successions from southern Quebec to western Newfoundland. |
2003 |
| details |
Late Cambrian |
Llanvirnian |
France(Lot-et-Garonne) |
Baudelot,S. et al. Paleozoic basins hidden under the Aquitaine: Micropaleontological study of core collected during petroleum investigations. (In: Program of deep geology of France first phase of investigation-1983-1984) |
1984 |
| details |
Middle Riphean |
Early Cambrian |
India(Karnataka) |
Viswanathiah,M.N. et al. Acritarchs and other associated microfossils of the Lodapur Formation, Kaladgi Group (Precambrian-Cambrian), South India. |
1979 |
| details |
Early Llandoverian |
|
New York |
Miller,M.A. et al. Palynomorphs from the Silurian Medina Group (Lower Llandovery), of the Naigara Gorge, Lewiston, New York, USA. |
1980 |
| details |
Middle Cambrian |
|
Ireland |
Smith,D.G. Progress in Irish Lower Palaeozoic palynology. |
1981 |
| details |
Acadian |
|
Czechoslovakia |
VavrdovЎ,M. Phytoplankton communities of Cambrian and Ordovician age of Central Bohemia |
1982 |
| details |
Late Cambrian |
|
USSR(Baltic) |
Volkova,N.A. Acritarchs of the Middle and Upper Cambrian on the Northwestern East European Platform. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
| details |
Middle Riphean |
|
India(Karnataka) |
Viswanathiah,M.N. et al. Microfossils of the stromatolites of Lokapur Region, Karnataka. (In: Stromatolites, Characteristics and Utility) |
1980 |
| original |
Atdabanian |
|
Canada(NWT,Mackenzie) |
Baudet,D. et al. Palynology of the Uppermost Proterozoic and Lowermost Cambrian Formations, Central MacKenzie Mountains, Northwest Canada. |
1989 |
| original |
Arenigian |
|
Italy(Sardinia) |
Albani,R. Ordovician, (Arenigian) acritarchs from the Solanas Sandstone Formation, Central Sardinia, Italy. |
1989 |
| details |
Precambriam |
|
India(Rajasthan) |
Mathur,S.M. Geochronology and biostratigraphy of the Vindhyan Supergroup. |
1987 |