| original |
Valanginian |
Early Hauterivian |
USSR(Amurskaya Oblast) |
Bityutskaya,P.I. et al. The significance of the palynological method for the subdivision of the Cretaceous deposits of the North-Western part of the Pacific biogeographic area. (In: Palynology, Method and Stratigraphy) |
1973 |
| original |
Late Eocene |
|
USSR(Yamalo-Nenets) |
Lyubomirova,K.A. The palynological characteristics of the Chegansk horizon of North West Siberia. (In: Palynological Studies. Collected Articles. S.R.Samoilovich, editor) |
1976 |
| original |
Oligocene |
|
Arctic Ocean |
Koreneva,E.V. et al. Palynology studies of Sites 336, 338, 345, 346, and 348, DSDP Leg 38. |
1976 |
| original |
Late Albian |
|
USSR(Taymyr Nat.Okrug) |
Mchedlishvili,N.D. Palynological substantiation of the age of the Ognevka Suite. (In: Questions of Phytostratigraphy. S.R.Samoilovich et al, editors) |
1977 |