| original |
Early Jurassic |
|
USSR(Ukrainian SSR) |
Semenova,E.V. Spore and pollen assemblages of deposits of the Jurassic and Triassic Boundary of the Don Basin. |
1970 |
| original |
Toarcian |
|
USSR(Ukrainian SSR) |
Semenova,E.V. Spore and pollen assemblages of deposits of the Jurassic and Triassic Boundary of the Don Basin. |
1970 |
| details |
Middle Toarcian |
|
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 |
Middle Toarcian |
|
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 |
Liassic |
|
USSR(Ukrainian SSR) |
Semenova,E.V. Stratigraphy of the Upper Triassic Boundary in the North-West Part of the Don Basin. |
1979 |
| details |
Early Jurassic |
|
USSR(Ukrainian SSR) |
Voronova,M.A. et al. Stratigraphic boundaries in the Mesozoic and Paleogene of the Ukraine, based on palynology. |
1980 |
| details |
Late Triassic |
|
USSR(Ukrainian SSR) |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |