| details |
Cretaceous |
|
Nd |
de Jekhowsky,B. Biologic Degredation of fossil pollen grains and spores. |
1963 |
| details |
Nd |
|
Nd |
Rueda-Gaxiola,J. A new systematic morphological classification for fossil pollen and spores. Nomenclature and parataxonomy. |
1969 |
| details |
Santonian |
Early Tertiary |
Japan |
Takahashi,K. Problems of distribution and variation of pollen and spore assemblages in the Upper Cretaceous and Paleogene. |
1973 |
| details |
Santonian |
Early Tertiary |
USSR(Siberia) |
Takahashi,K. Problems of distribution and variation of pollen and spore assemblages in the Upper Cretaceous and Paleogene. |
1973 |
| details |
Santonian |
Early Tertiary |
North America |
Takahashi,K. Problems of distribution and variation of pollen and spore assemblages in the Upper Cretaceous and Paleogene. |
1973 |