| details |
Cretaceous |
|
North America |
Bergad,R.D. Some species of Cretaceous Balmeisporites and a Monolete megaspore |
1973 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Late Cretaceous |
|
Canada(Alberta) |
Batten,D.J. et al. Occurrence of dispersed seed cuticles and similar microfossils in mainly Cretaceous successions of the northern hemisphere. |
1995 |
| details |
Late Cretaceous |
|
Canada(Saskatchewan) |
Batten,D.J. et al. Occurrence of dispersed seed cuticles and similar microfossils in mainly Cretaceous successions of the northern hemisphere. |
1995 |
| details |
Cenomanian |
|
Arizona |
Agasie,J.M. et al. Upper Cretaceous palynomorphs from the Dakota Sandstone of northeastern Arizona. |
1967 |