| details |
Hauterivian |
Barremian |
USSR(WSL) |
Bochkarev,V.S. et al. The role of climate and environmental factors in the establishment and expansion of land plants (With and example of the Jurassic and Early Cretaceous of Western Siberia). (In: Life on Ancient Continents: Its Establishment and Expansion.) |
1981 |
| details |
Hauterivian |
Barremian |
USSR(WSL) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes of the Western Siberian Lowland. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Hauterivian |
Barremian |
USSR(WSL) |
Filippova,E.A. Hauterivian - Barremian. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) |
1957 |
| details |
Hauterivian |
Barremian |
USSR(Ukrainian SSR) |
Alekseeva,V.I. Stages of flora development during the Jurassic and Early Cretaceous in the eastern part of the northern Caspian Region, as revealed by palynological evidence |
1971 |
| details |
Hauterivian |
Barremian |
USSR(WSL) |
Purtova,S.I. On the Neocomian flora evolution in West Siberian Lowland with reference to palynological data. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Hauterivian |
Barremian |
USSR(Siberia) |
Markova,L.G. Spore and pollen assemblages of the Lower Cretaceous from Western Siberia. |
1967 |
| details |
Valanginian |
Aptian |
USSR |
Pokrovskaya,I.M. General conclusions on the composition of spore-pollen assemblages of Lower Cretaceous deposits and basic stages of development of vegetation during the Early Cretaceous Epoch on the Territory of the USSR. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Early Barremian |
Aptian |
USSR(Ukrainian SSR) |
Voronova,M.A. et al. On the stratigraphy of Lower Cretaceous sections from Bauxite concentrations on the Ukrainian Shield and in the Pre-Black Sea Basin |
1973 |
| details |
Barremian |
Aptian |
USSR(Turkmen SSR) |
Aliev,I.M. et al. On the boundary between Neocomian and Aptian in the Western Region of Middle Asia |
1963 |
| details |
Berriasian |
Aptian |
USSR(WSL) |
Rovnina,L.V. et al. Lower Cretaceous deposits. (In: Complex examination of the Jurassic and Lower Cretaceous stratigraphy of Western Siberia. L.A.Rovnina, editor) |
1978 |
| details |
Berriasian |
Aptian |
Europe |
Voronova,M.A. Floristic and paleoclimatic changes in the Southern Part of the East European Platform in Early Cretaceous times. (In: Global Biological Events in Earth History. E.Knobloch and Z.Kvacek, editors) |
1990 |
| details |
Neocomian |
Aptian |
USSR(Turkmen SSR) |
Panova,L.A. Lower Cretaceous spore-pollen complexes of Central Asia. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Neocomian |
Aptian |
USSR(Kirghiz SSR) |
Panova,L.A. Lower Cretaceous spore-pollen complexes of Central Asia. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Aptian |
Albian |
Czechoslovakia |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Aptian |
Albian |
USSR(Baltic) |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Middle Jurassic |
Albian |
USSR(Siberia) |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Valanginian |
Albian |
USSR(Yakut ASSR) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes Anabar-Kha Tanga interfluv, Khatanga and Pre-Verkhoyansk Synec Lises and Vilyuy Depression. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |