details |
Aptian |
|
USSR |
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 |
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 |
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 |
Valanginian |
Aptian |
E.Germany |
Dжring,H. The stratigraphic classification of spores from the Lower Cretaceous of northern Central Europe. |
1966 |
details |
Valanginian |
Aptian |
Germany |
Dжring,H. Spore-stratigraphic comparison between the Wealdean of northern Germany and of Southern England |
1966 |
details |
Middle Valanginian |
Early Hauterivian |
Germany |
Dжring,H. Stratigraphic distribution of the spore genera Gleicheniidites and Trubasporites in the Jurassic-Cretaceous transition |
1965 |
details |
Middle Eocene |
|
W.Germany(Hesse) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |
details |
Late Aptian |
|
USSR(Caucasus) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |