| details |
Toarcian |
|
USSR(Ukrainian SSR) |
Semenova,E.V. Stratigraphy of the Upper Triassic Boundary in the North-West Part of the Don Basin. |
1979 |
| details |
Valanginian |
Aptian |
USSR(Ukrainian SSR) |
Voronova,M.A. Early Cretaceous miospores of the Ukraine |
1984 |
| details |
Valanginian |
Barremian |
USSR(Khabarovsk Kray) |
Shugaevskaya,O.V. et al. Upper Mesozoic spore and pollen assemblages of southern Far East and their significance for stratigraphy. |
1974 |
| details |
Valanginian |
Cenomanian |
USSR(Primorsk Kray) |
Shugaevskaya,O.V. et al. Upper Mesozoic spore and pollen assemblages of southern Far East and their significance for stratigraphy. |
1974 |
| details |
Volgian |
Barremian |
USSR(Khabarovsk Kray) |
Shugaevskaya,O.V. et al. Upper Mesozoic spore and pollen assemblages of southern Far East and their significance for stratigraphy. |
1974 |