| details |
Aptian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. et al. Stratigraphic subdivision of the Cretaceous deposits in the Middle Ingul River Region |
1972 |
| details |
Aptian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. et al. Stratigraphic subdivision of the Cretaceous deposits in the Middle Ingul River Region |
1972 |
| details |
Late Cretaceous |
|
India(Pondicherry) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Albian |
|
USSR(Kazakh SSR) |
Kruchinina,N.V. et al. Palynostratigraphyof Cretaceous deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |