| original |
Middle Albian |
|
Canada(Alberta) |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |
| details |
Aptian |
Albian |
Canada(NWT) |
Sweet,A.R. Jurassic and Cretaceous megaspores. |
1979 |
| details |
Wealden |
|
India(Kutch) |
Banerji,J. et al. Mesozoic megaspores from the Kachchh mainland Basin, India. |
1984 |
| details |
Neocomian |
|
India(Gujarat) |
Banerji,J. et al. The fossil floras of Krachchh.2. Mesozoic megaspores. |
1984 |
| 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 |
Aptian |
Albian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Middle Albian |
|
Canada(Alberta) |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |