| details |
Turonian |
|
USSR(Siberia) |
Zakharov,V.A. et al. Cretaceous System. (In: The Phanerozoic of Siberia (Mesozoic-Cenozoic). Volume 2. I.S.Tsitovich, editor) |
1984 |
| details |
Olenikian |
|
USSR(Komi ASSR) |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |
| details |
Late Coniacian |
|
USSR(Nakhichevan ASSR) |
Aliev,R.A. et al. The first Palynocomplexes from the Upper Cretaceous in the Nakhichevan ASSR. |
1988 |
| 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 |
Late Santonian |
|
Russia(Taymyr) |
Khomentovskii,O.V. et al. Santonian-Campanian boundary in northern Siberia |
1999 |