| original |
Early Albian |
Middle Albian |
USSR |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| original |
Cretaceous |
|
USSR(Urals) |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| details |
Late Jurassic |
Early Cretaceous |
USSR(Ukrainian SSR) |
Lomayeva,E.T. Spores and pollen of Pre Upper Cretaceous sediments occurring in the Zhitomir area |
1961 |
| details |
Cenomanian |
|
USSR(Caucasus) |
Filina,N.I. Palynological characteristics of Cenomanian deposits of some regions of the southeastern Caucasus, Mangushlak and the Aral Region. (In: Mesozoic Oil and Gas bearing Regions of Central Asia. Biostratigraphy and Paleogeography. M.M.Aliev, editor) |
1967 |
| details |
Albian |
|
Spain |
Menendez-Amor,J. A spore-pollen study of the Una Lignites, (Cuenca). |
1970 |