| details |
Vendian |
|
India(Jammu & Kashmir) |
Kumar,G. et al. The Precambrian-Cambrian boundary problem and its prospects, northwest Himalaya, India. |
1984 |
| details |
Silurian |
|
Europe |
Kedves,M. The history of the paleophytogeographic regions indicated by the palynological data. |
1983 |
| details |
Silurian |
|
USSR(Orenburg) |
Ivanova,T.D. et al. To the structure of Lower Paleozoic sediments in the Orenburgskoe Priural'e. |
1979 |
| details |
Riphean |
Middle Devonian |
USSR(Nenets Nat.Okrug) |
Timofeev,B.V. Age of the ancient Suites of the Southwestern Timan Region. |
1964 |
| details |
Riphean |
|
USSR |
Timofeev,B.V. The Precambrian microplant fossils and their significance in identification and correlation. |
1968 |
| details |
Precambriam |
|
India |
Maithy,P.K. Indian Precambrian biota. (In: Proceedings, Symposium and Technical Sessions. R.S. Tiwari, editors) |
1984 |
| details |
Precambriam |
Cambrian |
India(Rajasthan) |
Srivastava,S.K. et al. Palynology in India -a report, Birbal Sahni Institute of paleobotany, Lucknow. |
1976 |
| details |
Ordovician |
|
Poland |
Kielan-Jaworowska,Z. On two Ordovician polychaete jaw apparatuses. |
1961 |
| details |
Ordovician |
Silurian |
USSR(Buryat ASSR) |
Butov,Y.P. Certain problems of Pre-Mesozoic stratigraphy of the Sayan-Baikal Mountain Area. 1: Crysis of traditional stratigraphy. |
1985 |
| details |
Ordovician |
Silurian |
Baltic |
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 |
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 |
|
USSR(Siberia) |
Timofeev,B.V. Ordovician and Silurian phytoplankton of the Siberian Platform. |
1963 |
| details |
Ordovician |
|
India(Madhya Pradesh) |
Shrivastava,R.N. Micro-Organic remains from the Vindhyan Fm.Of India. |
1971 |
| details |
Ordovician |
|
Nd |
Downie,C. The geological history of the microplankton. |
1967 |
| details |
Ordovician |
|
USSR(Estonian SSR) |
Collinson,M.E. et al. The oil-generating potential of plants from coal and coal-bearing strata through time: A review with new evidence from Carboniferous plants. (In: Coal and Coal-bearing Strata as Oil-Prone Source Rocks. A.C.Scott and A.J.Fleet, editors) |
1994 |
| 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 |