| 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 |
Jackson |
|
USA(Gulf of Mexico) |
Frederiksen,N.O. Affinities of Late Eocene spores and pollen grains from southeastern North America. |
1977 |
| details |
Middle Eocene |
Early Oligocene |
Mississippi |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |
| details |
Late Eocene |
Middle Oligocene |
China(Shantung) |
Sung,T.C. et al. Tertiary sporo-pollen complexes of Shantung |
1964 |
| details |
Late Triassic |
Late Jurassic |
China(Shansi) |
Liu,Z.-S. et al. Triassic and Jurassic sporo-pollen assemblages from some localities of Shaanxi and Gansu, North-West China. |
1981 |
| details |
Late Triassic |
Late Jurassic |
China(Kansu) |
Liu,Z.-S. et al. Triassic and Jurassic sporo-pollen assemblages from some localities of Shaanxi and Gansu, North-West China. |
1981 |
| details |
Late Neogene |
|
China |
Chen,L. et al. Cenozoic spore-pollen. (In: Palaeontological Atlas of Southwest China, Volume of Microfossils. Edited by Chengdu Institute of Geology and Mineral Resources.) |
1983 |
| details |
Middle Eocene |
Early Oligocene |
Alabama |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |