| details |
Late Cenomanian |
Early Santonian |
USSR(Siberia) |
Ilyina,V.I. et al. Microphytofossils and detail stratigraphy of marine Mesozoic and Cenozoic of Siberia. |
1994 |
| 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 |
| details |
Late Santonian |
Early Campanian |
Russia(Taymyr) |
Khomentovskii,O.V. et al. Santonian-Campanian boundary in northern Siberia |
1999 |
| details |
Aptian |
|
Russia(Primorskiy) |
Kirillova,G.L. et al. J/K Boundary in Southeastern Russia and possible analogue of the Tetori Group, Japan. |
2003 |