| details |
Riphean |
|
USSR |
Timofeev,B.V. The Precambrian microplant fossils and their significance in identification and correlation. |
1968 |
| details |
Late Precambrian |
Early Cambrian |
USSR |
Naumova,S.N. Plant microfossils of Precambrian and Lower Cambrian of Eurasia and their significance for stratigraphy. |
1974 |
| details |
Late Ordovician |
|
South Africa |
Cramer,F.H. et al. Upper Ordovician chitinozoans from the Cedarberg Formation of South Africa.Preliminary Note. |
1974 |
| details |
Early Cambrian |
|
Romania |
Iliescu,V. et al. New palynological proofs of the Cambrian age of the Tulghes Group, (East Carpathians). |
1983 |
| details |
Ordovician |
|
Poland |
Kielan-Jaworowska,Z. On two Ordovician polychaete jaw apparatuses. |
1961 |
| details |
Ordovician |
Silurian |
Poland |
Timofeev,B.V. Phytoplankton and dispersed spores of the Ordovician, Silurian and Lower Devonian of the Baltic Region, the Gory Switokrzyskie and Podolia. |
1963 |
| details |
Ordovician |
|
Nd |
Downie,C. The geological history of the microplankton. |
1967 |
| details |
Nd |
|
Nd |
Combaz,A. Algal materials and the origin of oil. |
1973 |
| details |
Nd |
|
Nd |
Wicander,R. et al. Green and Blue-Green algae. 7E-Gloeocapsomorpha. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Nd |
|
Nd |
Batten,D.J. Palynofacies and palaeoenvironmental interpretation. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Nd |
|
Nd |
Peniguel,G. et al. Microalgae -their importance in stratigraphy and petroleum exploration. |
1989 |
| details |
Nd |
|
Nd |
Servais,T. Some considerations on acritarch classification |
1996 |
| details |
Precambriam |
Cambrian |
India(Rajasthan) |
Srivastava,S.K. et al. Palynology in India -a report, Birbal Sahni Institute of paleobotany, Lucknow. |
1976 |
| details |
Ordovician |
|
India(Madhya Pradesh) |
Shrivastava,R.N. Micro-Organic remains from the Vindhyan Fm.Of India. |
1971 |
| details |
Vendian |
|
India(Jammu & Kashmir) |
Kumar,G. et al. The Precambrian-Cambrian boundary problem and its prospects, northwest Himalaya, India. |
1984 |
| details |
Late Riphean |
|
India(Jammu & Kashmir) |
Kumar,G. The Precambrian-Cambrian boundary Beds, northwest Himalaya, India, and boundary problem. (In: Proceedings, Symposium and Technical Sessions. R.S. Tiwari, editors) |
1984 |
| details |
Cambrian |
|
India |
Bharadwaj,D.C. Sporalogical dating of non-marine sedimentary rocks in India |
1972 |