| original |
Aalenian |
Bajocian |
USSR(Ukrainian SSR) |
Semenova,E.V. Spore and pollen assemblages of deposits of the Jurassic and Triassic Boundary of the Don Basin. |
1970 |
| details |
Aalenian |
|
USSR(Ukrainian SSR) |
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 |
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 |
Bajocian |
Bathonian |
USSR(Ukrainian SSR) |
Voronova,M.A. et al. Stratigraphic boundaries in the Mesozoic and Paleogene of the Ukraine, based on palynology. |
1980 |
| details |
Late Bajocian |
|
USSR(Ukrainian SSR) |
Yanovskaya,G.G. Some guide fossils and new spore species in Jurassic and Lower Cretaceous deposits of the Dniester-Prut Interfluve. (In: Systematics and evolution of ancient flora in the Ukraine.Y.V.Teslenko, editor) |
1982 |
| details |
Early Bathonian |
|
USSR(Moldavian SSR) |
Yanovskaya,G.G. Some guide fossils and new spore species in Jurassic and Lower Cretaceous deposits of the Dniester-Prut Interfluve. (In: Systematics and evolution of ancient flora in the Ukraine.Y.V.Teslenko, editor) |
1982 |