| details |
Badenian |
Pannonian |
Hungary |
Nagy,E. A comprehensive study of Neogene sporomorphs in Hungary |
1992 |
| details |
Aptian |
Albian |
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 |
Aptian |
Early Albian |
USSR(Trans-Urals) |
Boytsova,E.P. Lower Cretaceous spore-pollen complexes of the Central Asia Trans-Urals. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| original |
Aptian |
|
USSR(Moscow) |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |