| details |
Berriasian |
Early Albian |
China(Tsinghai) |
Yu,J. et al. Late Jurassic and Early Cretaceous palynological assemblages from Minhe Basin, Qinghai and Gansu Provinces. |
1982 |
| details |
Berriasian |
Early Albian |
China(Kansu) |
Yu,J. et al. Late Jurassic and Early Cretaceous palynological assemblages from Minhe Basin, Qinghai and Gansu Provinces. |
1982 |
| details |
Wealden |
|
England |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| original |
Valanginian |
|
England |
Batten,D.J. Palynology of Early Cretaceous soil Beds and associated strata. |
1973 |