| 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 |
Valanginian |
Aptian |
USSR(Far East) |
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 |
Bolkhovitina,N.A. Distribution of Schizaeaceous spores in Jurassic and Lower Cretaceous deposits of Eurasia. |
1971 |
| details |
Wealden |
Aptian |
E.Germany |
Bolkhovitina,N.A. Distribution of Schizaeaceous spores in Jurassic and Lower Cretaceous deposits of Eurasia. |
1971 |
| details |
Neocomian |
Aptian |
USSR(Ukrainian SSR) |
Bolkhovitina,N.A. Distribution of Schizaeaceous spores in Jurassic and Lower Cretaceous deposits of Eurasia. |
1971 |
| details |
Hauterivian |
Aptian |
USSR(Far East) |
Bolkhovitina,N.A. Distribution of Schizaeaceous spores in Jurassic and Lower Cretaceous deposits of Eurasia. |
1971 |
| details |
Hauterivian |
Barremian |
Mongolian Republic |
Bolkhovitina,N.A. Distribution of Schizaeaceous spores in Jurassic and Lower Cretaceous deposits of Eurasia. |
1971 |
| details |
Hauterivian |
Barremian |
USSR(Yakut ASSR) |
Bolkhovitina,N.A. Distribution of Schizaeaceous spores in Jurassic and Lower Cretaceous deposits of Eurasia. |
1971 |
| original |
Aptian |
Albian |
South Dakota |
Cahoon,E.J. Lower Cretaceous pollen and spores from the Southern Black Hills |
1965 |
| details |
Middle Albian |
Late Albian |
Canada(Saskatchewan) |
Pocock,S.A.J. Pollen and spores of Chlamydospermidae and Schizaeaceae from Upper Manville strata of the Saskatoon area of Saskatchwan. |
1964 |
| details |
Middle Hauterivian |
|
USSR(Kazakh SSR) |
Pocock,S.A.J. Pollen and spores of Chlamydospermidae and Schizaeaceae from Upper Manville strata of the Saskatoon area of Saskatchwan. |
1964 |