| original |
Campanian |
Montian |
Utah |
May,F.E. A survey of palynomorphs from several coal-bearing horizons of Utah. |
1972 |
| original |
Early Tertiary |
|
China(Hupei) |
Anonymous Early Tertiary spores and pollen grains from the Coastal Region of Bohai. |
1978 |
| original |
Late Oligocene |
|
China(Liaoning) |
Ke et al. Early Tertiary spores and pollen grains from the Coastal Region of Bohai |
1978 |
| original |
Middle Eocene |
Late Oligocene |
China(Hopei) |
Sung,T.C. et al. Early Tertiary spores and pollen grains from the Coastal Region of Bohai. |
1978 |
| original |
Cretaceous |
Tertiary |
China(Kiangsu) |
Song,Z.-C. et al. Cretaceous-Tertiary palynological assemblages from Jiangsu. |
1981 |