| original |
Wealden |
|
England(Hampshire) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Late Cretaceous |
|
Canada(Alberta) |
Srivastava,S.K. Upper Cretaceous palynology-A review |
1967 |
| details |
Late Cretaceous |
|
Canada(Alberta) |
Binda,P.L. et al. Silicified megaspores from Upper Cretaceous beds of Southern Alberta, Canada. |
1968 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Cenomanian |
Turonian |
France |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |