| details |
Early Wealden |
|
Germany |
Srivastava,S.K. Microspores from the Fredericksburgh Group (Albian) of the southern United States. |
1975 |
| details |
Aptian |
|
Poland |
Waksmundzka,M. Palynological analysis of Lower Cretaceous sediments from Kujawy, (Poland). |
1981 |
| details |
Tithonian |
Berriasian |
Canada(NWT,Mackenzie) |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |