| details |
Maestrichtian |
|
Mongolian Republic |
Krassilov,V.A. et al. Maastrichtian aquatic plants from Mongolia. |
1995 |
| details |
Cenomanian |
Santonian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| original |
Coniacian |
Santonian |
Czechoslovakia |
Knobloch,E. Megaspores from the Cretaceous of Middle Europe |
1984 |
| details |
Cenomanian |
|
Czechoslovakia |
Knobloch,E. Flora of the Peruc Formation (Cenomanian) Current research and problems |
1987 |
| details |
Cenomanian |
Coniacian |
Czechoslovakia |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |