| details |
Cenomanian |
Senonian |
Czechoslovakia |
Knobloch,E. Megaspores from the Cretaceous of Middle Europe |
1984 |
| details |
Cretaceous |
|
W.Germany(Bavaria) |
Knobloch,E. Megaspores from the Cretaceous of Middle Europe |
1984 |
| details |
Valanginian |
|
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Valanginian |
|
Netherlands |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Wealden |
|
Netherlands |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Valanginian |
|
England |
Hughes,N.F. Paleontological evidence for the age of the English Wealden. |
1958 |