| details |
Volgian |
Valanginian |
USSR(Khabarovsk Kray) |
Shugaevskaya,O.V. et al. Upper Mesozoic spore and pollen assemblages of southern Far East and their significance for stratigraphy. |
1974 |
| original |
Volgian |
Valanginian |
USSR(Amurskaya Oblast) |
Shugaevskaya,O.V. et al. Spores with Lacunae from the Bureinskiy Depression. |
1974 |
| details |
Volgian |
Valanginian |
USSR(Far East) |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Early Callovian |
|
Russia(Primorskiy) |
Kirillova,G.L. et al. J/K Boundary in Southeastern Russia and possible analogue of the Tetori Group, Japan. |
2003 |