| original |
Wealden |
|
England(Hampshire) |
Dijkstra,S.J. Wealden megaspores and their stratigraphical value. |
1951 |
| details |
Wealden |
|
Netherlands |
M¤dler,K.A. Azolla of the Quaternary and Tertiary and its significance for the taxonomy of older spores |
1954 |
| details |
Wealden |
|
England(Hampshire) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| 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 |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |