| details |
Late Jurassic |
Oligocene |
USSR(Ukrainian SSR) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Late Jurassic |
Oligocene |
USSR(Kazakh SSR) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Aptian |
|
USSR(Pre-Urals) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Aptian |
Oligocene |
USSR(WSL) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Middle Senonian |
Early Tertiary |
W.Germany |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| 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 |
Hauterivian |
Barremian |
USSR(Siberia) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Aptian |
|
USSR(Moscow) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Aptian |
|
USSR(Urals) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Aptian |
Turonian |
USSR(WSL) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Late Cretaceous |
|
USSR(Kazakh SSR) |
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 |
Late Jurassic |
Oligocene |
USSR(Russian Platform) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
|
|
USSR |
Bolkhovitina,N.A. The fossil spores of the ferns of the Family Gleicheniaceae (Taxonomy and distribution). (In: The Importance of Palynological Analysis for the Stratigraphic and Paleofloristic Investigations. M.I. Nejshtadt, editor. Papers for the Second International Palynology Conference., Utrecht,1966) |
1966 |
| details |
Aptian |
Albian |
Portugal |
Bolkhovitina,N.A. Distribution of the ferns of the Family Gleicheniaceae in the Past. |
1966 |