| details |
Late Eocene |
Middle Oligocene |
USSR(WSL) |
Boytsova,E.P. Fossil pollen of the Quercus species and its importance for the subdivision of the Paleogene deposits of the of the Western Siberian Lowland and western Kazakhstan. (In: On the Methods in Paleopalynological Studies.) |
1966 |
| details |
Late Eocene |
Middle Oligocene |
USSR(WSL) |
Boytsova,E.P. Fossil pollen of the Quercus species and its importance for the subdivision of the Paleogene deposits of the of the Western Siberian Lowland and western Kazakhstan. (In: On the Methods in Paleopalynological Studies.) |
1966 |
| original |
Late Oligocene |
Miocene |
USSR(WSL) |
Filippova,E.A. Late Oligocene - Miocene. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) |
1957 |
| details |
Early Cretaceous |
Tertiary |
Canada(Ontario) |
Rouse,G.E. The Disclosure and paleobotanical evaluation of plant microfossils from selected Cretaceous Coal-bearing strata of Canada |
1956 |
| original |
Cenomanian |
Turonian |
USSR(WSL) |
Ivanova,E.A. et al. Cenomanian. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| original |
Cenomanian |
Turonian |
USSR(WSL) |
Ivanova,E.A. et al. Cenomanian. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| original |
Cenomanian |
Turonian |
USSR(WSL) |
Ivanova,E.A. et al. Cenomanian. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| original |
Cenomanian |
Turonian |
USSR(WSL) |
Ivanova,E.A. et al. Cenomanian. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| original |
Cenomanian |
Turonian |
USSR(WSL) |
Ivanova,E.A. et al. Cenomanian. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| original |
Cenomanian |
Turonian |
USSR(WSL) |
Ivanova,E.A. et al. Cenomanian. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| original |
Cenomanian |
Turonian |
USSR(WSL) |
Filippova,E.A. Cenomanian - Turonian. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) |
1957 |
| details |
Cenomanian |
Turonian |
Japan(Hokkaido I.) |
Miki,A. Spores and pollen flora from the Middle Yezo Group in northern Hokkaido, Japan. |
1973 |