| original |
Early Oligocene |
|
USSR(WSL) |
Ushakova,M.V. et al. Lower Oligocene. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| original |
Late Oligocene |
|
USSR(WSL) |
Filippova,E.A. Late Oligocene. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) |
1957 |
| original |
Miocene |
|
USSR(WSL) |
Filippova,E.A. Miocene. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) |
1957 |
| details |
Late Lutetian |
|
Hungary |
KrivЎn-Hutter,E. Palynological study of the clay lens of plant remains in the sandy, nonfossiliferous complex of the "Upper Lutetian" of Labtlan. |
1957 |
| details |
Early Paleogene |
Danian |
USSR(WSL) |
Chlonova,A.F. Isolation of guide species for the determination of age of sediments by spore-pollen analysis. |
1957 |
| details |
Eocene |
|
USSR(Turkmen SSR) |
Abuzyarova,R.Y. Spore-pollen complexes of Eocene deposits of Turkenia, (Badkhiz). |
1956 |
| details |
Early Cretaceous |
|
USSR(Kazakh SSR) |
Barbashinova,V.N. Spore and pollen complexes of Mesozoic Layers of the northern part of the Turgayskaya Basin |
1956 |
| original |
Tertiary |
|
USSR(Caucasus) |
Gladkova,A.N. Flora of Maikop deposits of northern Caucasus from data of spore-pollen analysis. (In: Palaeobotanical Symposium) |
1953 |