| details |
Toarcian |
Early Cretaceous |
USSR(Siberia) |
Sarjeant,W.A.S. et al. Jurassic palynomorphs of the Circum-Pacific Region. (In: The Jurassic of the Circum-Pacific. G.E.G Westermann, editor) |
1992 |
| details |
Early Toarcian |
|
USSR(Siberia) |
Ilyina,V.I. Jurassic palynology of Siberia |
1985 |
| details |
Late Cenomanian |
Coniacian |
USSR(Siberia) |
Ilyina,V.I. et al. Microphytofossils and detail stratigraphy of marine Mesozoic and Cenozoic of Siberia. |
1994 |
| details |
Albian |
Turonian |
USSR(WSL) |
Chlonova,A.F. Palynological characteristics of Cretaceous deposits at the Kya River (West Siberia). |
1976 |
| details |
Hauterivian |
|
Russia(Siberia) |
Beizel,A.L. et al. New geological data and zoning of the Neocomian key section on Yatriya River (Polar Transuralia) according to Belemnites, dinocysts and palynomorphs |
1997 |