| original |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Azolla from the Upper Cretaceous Edmonton Formation, Alberta, Canada. |
1968 |
| details |
Late Cretaceous |
|
Canada |
Hall,F.W. Notes on fossil Salviniaceae. |
1969 |
| details |
Cretaceous |
|
Nd |
Jain,R.K. Pre-Tertiary records of Salviniaceae. |
1971 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Cenomanian |
Early Maastrichtian |
India(Bengal) |
Juyal,N.P. et al. Palynostratigraphy and paleoenvironment analysis of the Mesozoic - Cenozoic succession of the wells Bhavadevarapalli, Bobbarlanka and Peddapalem in Krishna Delta. |
1996 |