| details |
Tertiary |
|
USSR(WSL) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Neocomian |
|
USSR(WSL) |
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 |
Santonian |
USSR(Yakut ASSR) |
Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy |
1968 |
| details |
Aalenian |
|
USSR(Yakut ASSR) |
Semenova,E.V. et al. Comparison of spore-pollen complexes in boundary strata of the Lower and Upper Jurassic in the Donets Basin and Yakutia. (In: Palynological Studies of Sedimentary Deposits in the Ukraine and adjacent Regions. Y.V.Teslenko, editor) |
1976 |
| details |
Turonian |
|
USSR(Yamalo-Nenets) |
Amon,E.O. et al. Upper Cretaceous biostratigraphy of the Synya River (Cis-Polar Transural) |
1985 |
| details |
Middle Bajocian |
Callovian |
W.Germany(Bavaria) |
Lund,J.J. et al. Dinoflagellate cyst stratigraphy applied to the Middle to Late Jurassic of the Regensburg-Passau area, Bavaria. |
1988 |
| details |
Liassic |
Wealden |
W.Germany(Hesse) |
Schulz,E. Study of fossil spores from Rhaetian-Liassic Layers in the central part of the German Basin. |
1967 |
| details |
Middle Eocene |
|
W.Germany(Hesse) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |