| details |
Late Jurassic |
Early Cretaceous |
USSR(Siberia) |
Grigoreva,K.N. Distribution of Schizeaceae spores in Upper Jurassic and Lower Cretaceous Stata-For example, in the northern Regions of Central Siberia |
1983 |
| details |
Late Eocene |
Middle Oligocene |
China(Shantung) |
Sung,T.C. et al. Tertiary sporo-pollen complexes of Shantung |
1964 |
| original |
Late Cretaceous |
Danian |
USSR(Kazakh SSR) |
Zaklinskaya,E.D. Stratigraphic significance of pollen grains of Gymnosperms of the Cenozoic deposits of the Pavlodar Pri-Irtish and the northern Pri-Aral. |
1957 |
| details |
Jackson |
|
USA(Gulf of Mexico) |
Frederiksen,N.O. Affinities of Late Eocene spores and pollen grains from southeastern North America. |
1977 |
| details |
Eocene |
Early Oligocene |
USSR |
Aristova,K.E. Pollen and microplankton from the Eocene-Oligocene boundary deposits in the Southern Part of the USSR |
1973 |
| details |
Early Paleocene |
|
USSR(Ukrainian SSR) |
Rotman,R.N. Some characteristic forms of angiosperm pollen in Paleocene deposits of the Ukrainian metamorphic shield. (In: Palynological Investigation of the Sedimentary deposits of the Ukrain and Adjacent Regions) |
1976 |
| details |
Early Eocene |
|
USSR(Belorussian SSR) |
Manykin,S.S. Lower Eocene deposits of Byelorussia. (In: Regional Reology of the Pre-Baltic and Byelorussia. R.Z. Ulst, editor) |
1972 |
| details |
Danian |
|
USSR(Armenian SSR) |
Zaklinskaya,E.D. et al. More information on the Danian flora. |
1968 |