| details |
Valanginian |
|
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 |
Valanginian |
Barremian |
USSR(WSL) |
Golbert,A.V. et al. Paleolandscapes of West Siberia in Jurassic, Cretaceous, and Paleogene. |
1968 |
| details |
Volgian |
|
USSR(Siberia) |
Vakhrameev,V.A. et al. Paleobotanical data and the Jurassic-Cretaceous boundary. |
1975 |
| details |
Volgian |
|
USSR(Taymyr Nat.Okrug) |
Vakhrameev,V.A. et al. Paleobotanical data and the Jurassic-Cretaceous boundary. |
1975 |
| details |
Westphalian A |
|
USSR(Ukrainian SSR) |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Westphalian B |
Westphalian C |
USSR(Ukrainian SSR) |
Egorov,A.I. et al. Coniferous pollen grains from the Middle Carboniferous of the Donetz Basin. |
1967 |