| 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 |
Middle Eocene |
Early Oligocene |
Alabama |
Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. |
1980 |
| details |
Late Maastrichtian |
|
USSR(Sakhalin Oblast) |
Kalishevich,T.G. et al. Organic development at the Mesozoic-Cenozoic boundary in the Pacific Ocean zone. |
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 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 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 |
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 Oligocene |
|
USSR(Kazakh SSR) |
Panova,L.A. et al. Palynostratigraphy of Paleogene deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |