| original |
Hauterivian |
Cenomanian |
USSR(Urals) |
Koltsova,T.T. et al. Description of spores and pollen in Lower Cretaceous deposits of the East Sloper of the northern Urals and Transurals. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Early Cretaceous |
|
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 |
| details |
Hauterivian |
Barremian |
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 |