| original |
Hauterivian |
Barremian |
USSR(Primorsk Kray) |
Verbitskaya,Z.I. Stratigraphical subdivision of Cretaceous sediments of Suchan Coal Basin based on palynology. |
1962 |
| details |
Nd |
|
Nd |
Krutzsch,W. Atlas of Middle and Upper Tertiary dispersed spores and pollen as well as microplankton of northern Middle Europe. 2. Spores of the a Nothocerotaceae and Lycopodiaceae. |
1963 |
| details |
Early Triassic |
|
USSR(Far East) |
Sukhov,L.G. et al. Biostratigraphy of Volcanic Formations in the western part of the Tunguska Syneclise |
1966 |
| details |
Maastrichtian |
|
USSR(Koryak Okrug) |
Korotkevich,V.D. Characteristics of spore-pollen complexes from Maastrichtian deposits of the Central Koryakstructural zone. (In: Key sections of Maestrichtian deposits of the central part of the Koryak Highlands. O.P.Dundo, editor) |
1971 |
| details |
Hauterivian |
Aptian |
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |