| details |
Late Jurassic |
Early Cretaceous |
USSR(Siberia) |
Bolkhovitina,N.A. Atlas of spores and pollen from Jurassic and Lower Cretaceous deposits of the Vilyuysk Basin. |
1956 |
| details |
Early Cretaceous |
|
USSR(Yakut ASSR) |
Bolkhovitina,N.A. Spore-pollen complexes from the Mesozoic deposits of the Vilyuy Basin and their importance for stratigraphy. |
1959 |
| details |
Neocomian |
Albian |
USSR(Yakut ASSR) |
Verbitskaya,Z.I. Characteristics of the Basic spore-pollen complexes of Mesozoic deposits. (In: The History of Upper Mesozoic Coal Accumulation in the Territory of Buryat ASSR and the Southeast Part of the Lensk Basin.) |
1963 |
| details |
Aalenian |
Bajocian |
USSR(Kara-Kalpak ASSR) |
Dikenshteyn,G.K. et al. A major discontinuity at the boundary between Jurassic and Cretaceous Periods in Central Kara Kum |
1964 |
| details |
Early Callovian |
|
USSR(Uzbek SSR) |
Barkhatnaya,I.N. et al. Spore-pollen characteristics of Jurassic deposits, Western Uzbekistan. (In: Fossil Spores and Pollen of Plants and their Significance for their Stratigraphic Subdivivision of Oil and Gas Bearing Series of Precambrian, Paleozoic and Mesozoic rocks in the European and Central Asian Regions of the USSR. S.V.Semikhatovoi, V.P.Grichuka, and K.A.Bolkhovitina, editors) |
1967 |
| details |
Neocomian |
|
USSR(Yakut ASSR) |
Fradkina,A.F. Spore-pollen complexes of the Mesozoic of Western Yakutiya (Vilyuysk Syneclise and Priverkhoyansk Depression). (In: Palynological characteristics of the Paleozoic, Mesozoic and Cenozoic deposits of Vakutia. A.I.Tomskayiya and V.F.Vozin, editors) |
1967 |
| details |
Middle Jurassic |
Late Jurassic |
USSR(Urals) |
Papulov,G.N. et al. Paleofloral Provinces of the eastern Slope of the Urals during Upper Jurassic. (In: Biostratigraphic and Paleobiofacies Studies their Practical Significance. I.E.Zanina, editor) |
1970 |