| details |
Early Tremadocian |
|
USSR(Leningrad) |
Borovko,N.G. et al. The reference section of Cambrian and Ordovician boundry sediments at North-West Russian Plate (Izhora River) |
1984 |
| details |
Aalenian |
|
France(Alsace) |
Schmitt,J.P. Stratigraphic and paleogeographic interpretation of the Jurassic microfloral of Alsace, France |
1987 |
| details |
Early Cambrian |
|
USSR(Irkutskaya Oblast) |
Faizulina,Z.K. et al. Microfossils from the Lower Cambrian deposits of the Irkutsk Amphitheatre. (In: Microfossils of the Oldest Deposits) |
1973 |
| details |
Precambriam |
|
India(Andhra Pradesh) |
Viswanathiah,M.N. et al. Microfossils from the Gandikota Quartzites of the Chatravati Group, Cuddapah Supergroup, Andhra Pradesh |
1984 |
| details |
Hettangian |
Bathonian |
USSR(Siberia) |
Ilyina,V.I. Subdivision and correlation of Jurassic deposits in Central and eastern Siberia, on the basis of palynological data |
1981 |
| details |
Tremadocian |
|
USSR(Russian Platform) |
Umnova,N.I. et al. Acritarch assemblages from the Cambrian and Early Ordovician sediments of western and northwestern Russian Platform. (In: Palynology research in Byelorussia and other Regions of the USSR) |
1971 |
| details |
Rhaetian |
|
England(Yorkshire) |
Benfield,A.C. et al. New records of the Westbury Formation (Penarth Group, Rhaetian) in North Yorkshire, England. |
1988 |
| details |
Late Namurian A |
|
China(Kansu) |
Gao,L. Namurian miospore zonation from Jingyuan, Gansu and the Middle Carboniferous boundary. |
1987 |
| details |
Valanginian |
Aptian |
Australia(Victoria) |
Backhouse,J. Late Jurassic and Early Cretaceous palynology of the Perth Basin, Western Australia |
1988 |
| details |
Silurian |
|
USSR(Baltic) |
Bagdasaryan,L.L. The significance of microphytofossils in the solving of some problems in petroleum geology. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Hettangian |
Bathonian |
USSR(Siberia) |
Ilyina,V.I. Palynological substantiation of the stratigraphic Division of the Jurassic of northern Middle Siberia |
1978 |
| details |
Late Arenigian |
Early Llanvirnian |
England(Cumberland) |
Arthurton,R.S. et al. Ordovician and Silurian. (In: Geology of the Country around Penrith.) |
1981 |
| details |
Late Cambrian |
Early Ordovician |
Romania |
Paraschiv,D. et al. On the Pre-Neogene Formations in the North-Dobrogean Promontory |
1983 |
| details |
Late Gothlandian |
Early Devonian |
USSR(Siberia) |
Medvedeva,A.M. et al. Palynological analyes in the study of fluid migration in the oilfields and gasfields of Western Siberia |
1987 |
| details |
Late Cambrian |
|
USSR(Estonian SSR) |
Volkova,N.A. et al. New data on Cambrian-Ordovician transitional Beds in the eastern part of the East Baltic. |
1981 |