| original |
Middle Oligocene |
|
USSR(Kazakh SSR) |
Abuzyarova,R.Y. et al. Spore-pollen complex of the Region of Akmola. |
1955 |
| original |
Middle Eocene |
|
USSR(Kazakh SSR) |
Romanovskaya,G.M. et al. Short description of spores and pollen from Eocene deposits of the Turgay Basin. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR). |
1960 |
| original |
Campanian |
|
Japan(Iwate Pref.) |
Tokunaga,S. et al. Preliminary study on spore and pollen fossils from the Kuji Coalfield, Iwate Prefecture |
1968 |
| original |
Aptian |
Paleocene |
USSR(WSL) |
Gromova,N.S. et al. Short description of spores and pollen from Upper Cretaceous and Paleocene deposits of the central and southeastern regions of the Western Siberian Lowland. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR). |
1960 |