| 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 |
Early Devonian |
|
USSR(Siberia) |
Timofeev,B.V. Ordovician and Silurian phytoplankton of the Siberian Platform. |
1963 |
| details |
Ordovician |
|
USSR(Siberia) |
Timofeev,B.V. Ordovician and Silurian phytoplankton of the Siberian Platform. |
1963 |
| details |
Cambrian |
|
Australia(S.Australia) |
Timofeev,B.V. On the age of sedimentary-Metamorphic Beds of the eastern Antarctic and Southern Australia (A Micro paleontologic analysis) (Astract) |
1962 |
| details |
Late Precambrian |
|
Antarctica |
Timofeev,B.V. On the age of sedimentary-Metamorphic Beds of the eastern Antarctic and Southern Australia (A Micro paleontologic analysis) (Astract) |
1962 |
| details |
Ordovician |
|
Poland |
Kielan-Jaworowska,Z. On two Ordovician polychaete jaw apparatuses. |
1961 |
| details |
Liassic |
|
W.Germany(Niedersachsen) |
M¤dler,K.A. New microbotanical studies on the Posidonian Shale. |
1958 |
| original |
Early Silurian |
|
USSR(Moscow Basin) |
Zalessky,M.D. On marine sapropelite of Silurian age, formed by blue-green alga. |
1917 |