| details |
Valanginian |
|
USSR(Chitinskaya Oblast) |
Bondarenko,N.M. et al. A list of plant spores and pollen of Valanginian deposits in some districts 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 |
|
USSR(Kazakh SSR) |
Boytsova,E.P. Lower Cretaceous spore-pollen complexes of Western Kazakhstan. (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 |
Hauterivian |
USSR(Yakut ASSR) |
Boltenhagen,E. State of knowledge of Lower Cretaceous palynology |
1966 |
| details |
Valanginian |
Hauterivian |
USSR(Siberia) |
Boltenhagen,E. State of knowledge of Lower Cretaceous palynology |
1966 |
| details |
Valanginian |
|
USSR(WSL) |
Voitsel,Z.A. et al. Cretaceous spore and pollen assemblages of Western Siberian Lowland. |
1957 |