| details |
Cambrian |
Ordovician |
Colombia |
Forero-Suarez,A. The basement of the eastern Cordillera, Colombia; An allochthonous terrane in northwestern South America. |
1990 |
| details |
Late Ordovician |
|
USSR(Kaliningrad) |
Pa?keviciene,L. Middle Ordovician acritarchs from Lithuania and Kaliningrad District |
1993 |
| details |
Precambriam |
|
China |
Xing,Y. et al. Evolution of the terminal Precambrian Biotas and its geological significance |
1990 |
| details |
Late Riphean |
|
China(Anhwei) |
Sun,W. Discussions on the age of the Liulaobei Formation |
1987 |
| details |
Devonian |
Carboniferous |
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Devonian |
Permian |
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Early Carboniferous |
|
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Devonian |
|
USSR(Urals) |
Kulkova,I.A. The Eocene climatic optimum of northern Asia. (In: Climates of the Earth in the Geological Past. A.A.Velichko and A.L.Chepalyga, editors) |
1987 |
| details |
Blackriveran |
Rocklandian |
Canada(Ontario) |
Bunner,W.D. et al. A new species of Dicommopalla (Acritarcha) from the Middle Ordovician Simcoe Group of Southern Ontario, Canada. |
1989 |
| details |
Early Triassic |
|
China(Hupei) |
Lu,G. et al. The Triassic of Hubei. |
1982 |
| details |
Ordovician |
Silurian |
China(Tibet) |
Xing,Y. A discovery of micropalaeophyta, chitinozoa and scolecodonts from Ordovician and Silurian in Keping, Xinjiang. |
1986 |
| details |
Middle Bathonian |
Late Bathonian |
USSR(Mangyshlak ASSR) |
Timoshina,N.A. et al. Palynological data on the separation and correlation of Jurassic deposits of North-West Ust-Urt. (In: Palynological Investigations of Paleozoic and Mesozoic deposits of Northern USSR and Caspian Sea Region. N.A. Timoshina, editor) |
1985 |
| details |
Late Riphean |
Vendian |
USSR(Siberia) |
Sokolov,B.S. On the significance of microfossils of vegetation nature. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Frasnian |
|
W.Germany(Rhineland) |
Sandberg,C.A. et al. Comparison between conodont zonations and spore assemblages at the Devonian-Carboniferous boundary in the Western and Central United States and in Europe |
1972 |
| details |
Oxfordian |
|
USSR(Kazakh SSR) |
Dolitskaya,I.V. et al. Correlation of Jurassic and Cretaceous sediments of the Buzachi Peninsula and North-Western Ustyurt |
1979 |
| details |
Berriasian |
Valanginian |
USSR(Kazakh SSR) |
Dolitskaya,I.V. et al. Correlation of Jurassic and Cretaceous sediments of the Buzachi Peninsula and North-Western Ustyurt |
1979 |
| details |
Devonian |
|
Brazil(Pernambuco) |
Brito,I.M. Short note on the Devonian microfossils of Pernambuco |
1965 |