| details |
Late Valanginian |
Early Hauterivian |
USSR(Yakut ASSR) |
Kovalskaya,V.T. Palynological basis for the Creation of Lower Cretaceous deposits of the Ebelyakh River Basin (Northern Yakuts) |
1983 |
| details |
Kimmeridgian |
Volgian |
USSR(Yakut ASSR) |
Petrova,L.D. Palynological characteristics of Upper Jurassic deposits of the Vilyusk Syncline. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
| details |
Late Jurassic |
|
USSR(Yakut ASSR) |
Ilina,V.U. Palynological characteristics of Jurassic Layers of Siberia. |
1971 |
| details |
Toarcian |
|
USSR(Yakut ASSR) |
Ilyina,V.I. Biostratigraphic significance of Toarcian spore-pollen assemblage of Siberia. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Middle Toarcian |
|
USSR(Yakut ASSR) |
Ilyina,V.I. Biostratigraphic significance of Toarcian spore-pollen assemblage of Siberia. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Cenomanian |
|
Utah |
Am Ende,B.A. Depositional environments, palynology and age of the Dakota Formation, south-central Utah. (In: Stratigraphy, Depositional Environments and Sedimentary Tectonics of the Western Margin, Cretaceous Western Interior Seaway. J.D.Nations and J.G.Eaton, editors) |
1991 |
| details |
Barremian |
Albian |
Virginia |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |