| 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 |
| details |
Late Landenian |
|
USSR(Orenburg) |
Tuzhikova,V.I. New data on spore-pollen complexes in Landinian deposits of the Urals. (In: New Miospores, Foraminifera, Ostracods and conodonts of the Paleozoic and Mesozoic of the Urals. Collected Articles on the Problems of Stratigraphy.#24. N.P.Malachova and B.I.Chuvashev, editors) |
1975 |
| details |
Ladinian |
|
USSR(Urals) |
Tuzhikova,V.I. New data on spore-pollen complexes of the Ladinian Deposts of the Urals. (In: New Miospores, Foraminifera, Ostracods and conodonts of the Paleozoic and Mesozoic of the Urals. Collected Articles on the Problems of Stratigraphy.#24. N.P.Malachova and B.I.Chuvashev, editors) |
1975 |
| 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 |
Devonian |
Visean |
Brazil(Maranhao) |
Loboziak,S. et al. Middle Devonian to Lower Carbnoniferous miospore stratigraphy in the Central Parnaiba Basin (Brazil) |
1992 |