| original |
Cenomanian |
Coniacian |
Wyoming |
Upshaw,C.F. Palynology of the Frontier Formation, northwestern Wind River Basin, Wyoming. |
1959 |
| details |
Aptian |
|
USSR(Turkmen SSR) |
Prosviryakova,Z.P. Sphagnumsporites simplex (Bolkhovitina), comb.nov. (In: Spore and pollen of the Jurassic and Lower Cretaceous from Central Asia. N.A. Bolkhovitina and N.I. Fokina, editors.) |
1971 |
| details |
Valanginian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. Palynological characteristic of the contiguous Upper Jurassic-Lower Cretaceous formations of the Dnepr-Donets Trough. |
1971 |
| original |
Valanginian |
Albian |
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |
| details |
Barremian |
|
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. On stratigraphical position and paleogeographical importance of the Sphagnumsporites, Raatz, genus spores |
1972 |
| details |
Late Barremian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. et al. On the stratigraphy of Lower Cretaceous sections from Bauxite concentrations on the Ukrainian Shield and in the Pre-Black Sea Basin |
1973 |
| details |
Late Aptian |
|
USSR |
Fokina,N.I. The Lower Cretaceous of the Regions of Western Central Asian Territories according to palynology. |
1976 |
| details |
Barremian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. Palynostratigraphy of the Neocomian of the Ukrain |
1985 |