| details |
Early Cretaceous |
|
China(Hopei) |
Hong,Y. et al. Late Mesozoic stratigraphy and Palaeontology in Xishan of Beijing. |
1982 |
| details |
Aptian |
Early Albian |
Turkey |
Sinanoglu,E. et al. Aptian-Albian palynostratigraphy of southeast Turkey and its place in the Lower Cretaceous floral provinces. |
1980 |
| details |
Aptian |
|
South Africa |
McLachlan,I.R. et al. Preliminary palynological results |
1978 |
| original |
Cenomanian |
|
Mississippi |
Phillips,P.P. et al. A study of the Lower and Middle Cretaceous spores and pollen from the southeastern United States. 6. Spores. |
1971 |