details |
Middle Jurassic |
Early Tertiary |
Eurasia |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
details |
Middle Jurassic |
Early Tertiary |
North America |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
details |
Middle Jurassic |
Early Tertiary |
Australia |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
details |
Albian |
Early Cenomanian |
Atlantic Ocean |
Habib,D. Middle Cretaceous palynomorph assemblages from clays near the Horizon Beta deep-sea outcrop. |
1970 |
details |
Berriasian |
Early Valanginian |
W.Germany(Niedersachsen) |
Dжrhжfer,G. Palynology and stratigraphy of the Buckeburg Formation (Berriasian-Valanginian) in the Hilsmulde (northwest Germany). |
1977 |
details |
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 |
Aptian |
Albian |
USSR(Ukrainian SSR) |
Voronova,M.A. Early Cretaceous miospores of the Ukraine |
1984 |