| details |
Jurassic |
|
USSR(Siberia) |
Semenova,E.V. Spore and pollen assemblages of deposits of the Jurassic and Triassic Boundary of the Don Basin. |
1970 |
| details |
Hettangian |
Aalenian |
USSR(Siberia) |
Ilyina,V.I. Palynological substantiation of the stratigraphic Division of the Jurassic of northern Middle Siberia |
1978 |
| details |
Early Triassic |
|
USSR(Ukrainian SSR) |
Grausman,V.V. et al. Paleontological characteristics of the Lower Triassic deposits of the North-West Part of the Vilyi Synecline. (In: Stages and Zonation scale of the Boreal Mesozoic of the USSR. V.A.Solovev, editor) |
1989 |
| details |
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 |
Bathonian |
|
USSR(European) |
Dobrutskaya,N.A. Jurassic and Early Cretaceous spore-pollen assemblages of the northern part of the Russian Platform and their importace for stratigraphic and paleofloristic definition. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Barremian |
Aptian |
USSR(Far East) |
Shugaevskaya,O.V. et al. Spores and pollen from the coal sequence of the Bureyan Basin with reference to their stratigraphic significance. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |