| details |
Aptian |
|
USSR(Kursk) |
Bolkhovitina,N.A. Spore and pollen assemblage of the Aptian and Albian from the Central Russian Platform. |
1951 |
| original |
Early Albian |
Middle Albian |
USSR |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| details |
Cretaceous |
|
USSR(Urals) |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| details |
Aptian |
|
USSR(Stalingrad) |
Asatkina,E.F. et al. A list of plant, spore and pollen of the Aptian deposits of some districts of the USSR. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Aptian |
|
USSR(Moscow) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes of the Russian Platform and the Crimea. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Albian |
Cenomanian |
USSR(Kazakh SSR) |
Boytsova,E.P. Lower Cretaceous spore-pollen complexes of Western Kazakhstan. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Albian |
|
Spain |
Menendez-Amor,J. A spore-pollen study of the Una Lignites, (Cuenca). |
1970 |
| details |
Aptian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |
| details |
Cretaceous |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |