| details |
Aptian |
Albian |
USSR(WSL) |
Markova,L.G. et al. Spores and pollen of the Lower Cretaceous layers of the Turukhansk borehole. |
1960 |
| details |
Hauterivian |
|
USSR(Krasnoyarsk Kray) |
Bolkhovitina,N.A. Morphology of spores of the Schizaeaceae Family and the history of the family in the geological past. |
1959 |
| details |
Late Cretaceous |
|
USSR(Yakut ASSR) |
Bolkhovitina,N.A. Spore-pollen complexes from the Mesozoic deposits of the Vilyuy Basin and their importance for stratigraphy. |
1959 |
| details |
Early Cretaceous |
|
USSR(Yakut ASSR) |
Bolkhovitina,N.A. Spore-pollen complexes from the Mesozoic deposits of the Vilyuy Basin and their importance for stratigraphy. |
1959 |
| details |
Early Cretaceous |
|
USSR(Yakut ASSR) |
Bolkhovitina,N.A. Spore-pollen complexes from the Mesozoic deposits of the Vilyuy Basin and their importance for stratigraphy. |
1959 |
| details |
Hauterivian |
Late Cretaceous |
USSR(Koryak Okrug) |
Verbitskaya,Z.I. The spore-pollen complexes in Cretaceous deposits of the Suchan Coal Basin. |
1958 |
| details |
Early Valanginian |
Middle Valanginian |
USSR(Yakut ASSR) |
Kara-Murza,E.N. Some data on the composition of spore-pollen complexes of the marine Lower Cretaceous of the Nordvik Region. |
1958 |
| details |
Aptian |
Albian |
USSR(WSL) |
Voitsel,Z.A. et al. Aptian-Albian. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| details |
Aptian |
Albian |
USSR(WSL) |
Filippova,E.A. Aptian - Albian. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) |
1957 |
| details |
Cretaceous |
|
USSR(Siberia) |
Bolkhovitina,N.A. Atlas of spores and pollen from Jurassic and Lower Cretaceous deposits of the Vilyuysk Basin. |
1956 |
| details |
Early Albian |
Middle Albian |
USSR |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| details |
Early Hauterivian |
|
USSR |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| details |
Aptian |
|
USSR(Moscow) |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| details |
Albian |
|
USSR(Kazakh SSR) |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| original |
Albian |
Cenomanian |
USSR(Urals) |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |