| details |
Barremian |
Aptian |
USSR(Pre-Caucasus) |
Fokina,N.I. et al. The significance of quantitative indices for the age determination of species, (eg. Lower Cretaceous spore and pollen assemblages from the eastern Pre-Caucasus). (In: Methods of Interpretation of Palynological Data. E.P.Boitsova, editor) |
1977 |
| details |
Neocomian |
Albian |
USSR(Uzbek SSR) |
Barkhatnaya,I.N. et al. Cretaceous spore and pollen assemblages;Central Turkmenskaya. (In: Spore and pollen of the Jurassic and Lower Cretaceous from Central Asia. N.A. Bolkhovitina and N.I. Fokina, editors.) |
1971 |
| details |
Late Jurassic |
Valanginian |
USSR(WSL) |
Barkhatnaya,I.N. et al. Cretaceous spore and pollen assemblages;Central Turkmenskaya. (In: Spore and pollen of the Jurassic and Lower Cretaceous from Central Asia. N.A. Bolkhovitina and N.I. Fokina, editors.) |
1971 |