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 |
Bathonian |
|
USSR(Uzbek SSR) |
Nikishova,V.M. et al. Stratigraphy of Jurassic deposits of the Narin Basin (Northern Fergana). (In: Biostratigraphy and Paleogeography of Meso-Cainozoic deposits in oil and gas regions of South East USSR. M.M.Aliev, editor) |
1964 |
details |
Aptian |
|
USSR(Ukrainian SSR) |
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(Ukrainian SSR) |
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 |
|
USSR(Dagestan ASSR) |
Boytsova,E.P. et al. List of plant, spore and pollen of the Albian 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 |