| details |
Barremian |
Aptian |
USSR(Magadan Oblast) |
Voevodova,E.M. Lower Cretaceous spore pollen complexes of North-East USSR-Zyrgansk and Khasynsk Coal Fields. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Barremian |
Aptian |
USSR(Siberia) |
Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. |
1971 |
| original |
Barremian |
Albian |
USSR(Magadan Oblast) |
Voevodova,E.M. Description of spores and pollen in Lower Cretaceous deposits North East USSR-Zyryansk and Khasynsk Coal Fields. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |