original |
Bathonian |
Early Callovian |
Baltic |
Baltakyte-Vienozinsklene,A. New forms of pollen and spores found in the deposits of the Middle Jurassic in Southern Baltic area |
1958 |
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 |