| details |
Late Eocene |
|
USSR(Ukrainian SSR) |
Andreeva-Grigorovich,A.S. et al. The regional stratigraphical scheme of the Paleogene deposits, Ukrainian Carpathians. |
1985 |
| details |
Middle Eocene |
|
USSR(Ukrainian SSR) |
Andreeva-Grigorovich,A.S. et al. On the boundary of Eocene and Oligocene of the Scale zone of the Ukrainian Carpathians according to paleofloristic data. |
1985 |
| details |
Early Berriasian |
|
USSR(Siberia) |
Rovnina,L.V. et al. Microphytofossils of boundary deposits of Jurassic and Cretacous in Western Siberia. (In: Jurassic - Cretaceous Boundary. V.V.Menner, editor) |
1990 |
| original |
Valanginian |
|
USSR(Sverdlovskaya) |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| original |
Nd |
|
Nd |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| details |
Valanginian |
|
USSR(Far East) |
Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. |
1971 |
| details |
Valanginian |
|
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 |
Aptian |
|
USSR(Kazakh SSR) |
Shvetsova,E.M. Spore and pollen assemblages of the Lower Cretaceous deposits of the eastern Ustyurt. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |