| details |
Aptian |
Turonian |
USSR(WSL) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Hauterivian |
Barremian |
USSR(Siberia) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Senonian |
Miocene |
USSR(Siberia) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Neocomian |
Aptian |
USSR(Ukrainian SSR) |
Bolkhovitina,N.A. Connection of Gleicheniaceae and Schizaeaceae fern with paleofloristic Regions of the Jurassic Period and Cretaceous Epoch in Euasia by palynological data. |
1971 |
| details |
Neocomian |
|
USSR(WSL) |
Bolkhovitina,N.A. Connection of Gleicheniaceae and Schizaeaceae fern with paleofloristic Regions of the Jurassic Period and Cretaceous Epoch in Euasia by palynological data. |
1971 |
| details |
Hauterivian |
Aptian |
USSR(Kazakh SSR) |
Bolkhovitina,N.A. Connection of Gleicheniaceae and Schizaeaceae fern with paleofloristic Regions of the Jurassic Period and Cretaceous Epoch in Euasia by palynological data. |
1971 |
| details |
Hauterivian |
Aptian |
USSR(Primorsk Kray) |
Bolkhovitina,N.A. Connection of Gleicheniaceae and Schizaeaceae fern with paleofloristic Regions of the Jurassic Period and Cretaceous Epoch in Euasia by palynological data. |
1971 |
| details |
Hauterivian |
Aptian |
USSR(Pre-Urals) |
Bolkhovitina,N.A. Connection of Gleicheniaceae and Schizaeaceae fern with paleofloristic Regions of the Jurassic Period and Cretaceous Epoch in Euasia by palynological data. |
1971 |
| details |
Albian |
|
France(Normandie) |
Bignot,G. et al. The Gault Sandstone (Albian), of Port d'Antifer |
1994 |
| details |
Aptian |
|
USSR(Turkmen SSR) |
Barkhatnaya,I.N. et al. Cretaceous spore and pollen assemblages;Central Turkmenskaya. (In: Spore and pollen of the Jurassic and Lower Cretaceous from Central Asia. N.A. Bolkhovitina and N.I. Fokina, editors.) |
1971 |
| details |
Late Aptian |
Early Albian |
USSR(Kazakh SSR) |
Alekseeva,V.I. et al. On paleontological substantiation of the Border between Aptian and Albian deposits at the East of the North Fore-Caspian area |
1974 |