| details |
Barremian |
Aptian |
USSR(Russian Platform) |
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 |
Hauterivian |
Santonian |
USSR(Urals) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Aptian |
Cenomanian |
USSR(WSL) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Early Tertiary |
|
USSR(WSL) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Aptian |
Cenomanian |
USSR(Krasnoyarsk Kray) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Late Berriasian |
Early Valanginian |
E.Germany |
Dжring,H. The stratigraphic classification of spores from the Lower Cretaceous of northern Central Europe. |
1966 |
| details |
Early Wealden |
Early Hauterivian |
Germany |
Dжring,H. Stratigraphic distribution of the spore genera Gleicheniidites and Trubasporites in the Jurassic-Cretaceous transition |
1965 |
| original |
Late Purbeckian |
Early Valanginian |
E.Germany(Rostock) |
Dжring,H. Spore-palynologic classification of the Wealdean in Western Mecklenburg (Werlestructure). |
1965 |