| details |
Early Cretaceous |
|
India |
Maheshwari,H.K. et al. Megaspore biostratigraphy of the Gondwana. (In: Concepts, limits and extension of the Indian Gondwana. B.S.Venkatachala and H.K.Maheshwari, editors) |
1988 |
| details |
Late Turonian |
Coniacian |
Greenland |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Late Cretaceous |
|
Greenland |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
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 |
Late Cretaceous |
|
Canada(Alberta) |
Speelman,J.D. et al. Megaspore paleoecology |
1980 |
| details |
Middle Cenomanian |
Late Cenomanian |
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |