| original |
Early Eocene |
|
Arkansas |
Jones,E.L. Plant microfossils of the Laminated sediments of the Lower Eocene Wilcox Group in South-Central Arkansas. |
1961 |
| original |
Cretaceous |
Tertiary |
China(Kiangsu) |
Song,Z.-C. et al. Cretaceous-Tertiary palynological assemblages from Jiangsu. |
1981 |
| original |
Hauterivian |
Barremian |
China(Ningsia Hui) |
Liu,Z.-S. Early Cretacous sporo-pollen assemblages from Liupanshan of Ningxia and their bearing on Paleo-Vegetation and Paleo-Climatology |
1983 |
| original |
Cenomanian |
Eocene |
China(Szechwan) |
Zhang,Y. et al. Late Cretaceous and Early Tertiary Spores and pollen from the Western Tarim Basin, southern Xinjiang, China. |
1991 |