| original |
Late Jurassic |
Early Cretaceous |
USSR(Buryat ASSR) |
Sedova,M.A. Description of spores and pollen in Neocomian Deposits of the Vitimsk Plateau and Transbaikal. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Hauterivian |
Barremian |
USSR(Buryat ASSR) |
Sedova,M.A. Neocomian spore-pollen complexes in the Vitimsk Plateau and Trans-Baikal. (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 |
|
USSR(Chitinskaya Oblast) |
Boytsova,E.P. et al. A list of plant, spore and pollen of the Barremian 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 |