| details |
Valanginian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. Palynological characteristic of the contiguous Upper Jurassic-Lower Cretaceous formations of the Dnepr-Donets Trough. |
1971 |
| details |
Valanginian |
Albian |
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |
| details |
Hauterivian |
|
USSR(Caucasus) |
Yaroshenko,O.P. Spore and pollen complexes of Mesozoic deposits of northern Caucasus and their stratigraphic significance. |
1960 |
| details |
Early Jurassic |
|
USSR(Caucasus) |
Yaroshenko,O.P. Spores and pollen complexes of Jurassic and Lower Cretaceous deposits of northern Caucasus and their stratigraphic importance |
1965 |
| details |
Early Jurassic |
|
USSR(Caucasus) |
Yaroshenko,O.P. Spores and pollen complexes of Jurassic and Lower Cretaceous deposits of northern Caucasus and their stratigraphic importance |
1965 |
| details |
Early Cretaceous |
|
USSR(Caucasus) |
Yaroshenko,O.P. Spores and pollen complexes of Jurassic and Lower Cretaceous deposits of northern Caucasus and their stratigraphic importance |
1965 |
| details |
Early Cretaceous |
|
USSR(Caucasus) |
Yaroshenko,O.P. Spores and pollen complexes of Jurassic and Lower Cretaceous deposits of northern Caucasus and their stratigraphic importance |
1965 |
| details |
Late Jurassic |
|
USSR(Turkmen SSR) |
Yuferev,R.F. et al. On Salt-bearing Formation age of the eastern Turkmenistan on sporopollen remains |
1986 |