| details |
Early Cenomanian |
|
Romania |
Antonescu,E. Three new types of spores in the Triassic and Cretaceous of Roumania. |
1978 |
| details |
Early Albian |
|
Spain |
Busnardo,R. et al. Vegetative intercalations in the Albian Detritus Formation of the Villares (Jaen, Andalousie). |
1964 |
| original |
Cenomanian |
|
Kansas |
Kovach,W.L. et al. Megaspores and other dispersed plant remains from the Dakota Formation (Cenomanian) of Kansas, USA. |
1988 |
| details |
Cenomanian |
|
Kansas |
Kovach,W.L. Quantitative palaeoecology of megaspores and other dispersed plant remains from the Cenomanian of Kansas, USA. |
1988 |
| original |
Barremian |
Aptian |
China(Inner Mongolia) |
Li,W. et al. Early Cretaceous megaspores from the Jalainor Group of northeast Inner Mongolia, P.R.China. |
1987 |
| details |
Anisian |
|
Poland |
Marcinkiewicz,T. Megaspore stratigraphical scheme of the Buntsandstein sediments of Poland. |
1992 |