| details |
Early Valanginian |
|
E.Germany(Rostock) |
Srivastava,S.K. Microspores from the Fredericksburgh Group (Albian) of the southern United States. |
1975 |
| original |
Kimmeridgian |
Hauterivian |
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 |
| details |
Early Albian |
|
USSR(Kazakh SSR) |
Smirnova,S.B. et al. Mezo-Cenozoic palynostratigraphy of the Central Caspian. |
1986 |
| details |
Early Albian |
|
USSR(Caspian Sea) |
Smirnova,S.B. et al. Mezo-Cenozoic palynostratigraphy of the Central Caspian. |
1986 |