| details |
Valanginian |
Aptian |
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |
| original |
Cenomanian |
Turonian |
USSR(WSL) |
Chlonova,A.F. The composition in species of spores and pollen in the deposits of the Upper Cretaceous of the Chulym-Yenisyei Lowlands. |
1960 |
| original |
Paleocene |
Danian |
USSR(WSL) |
Chlonova,A.F. The composition in species of spores and pollen in the deposits of the Upper Cretaceous of the Chulym-Yenisyei Lowlands. |
1960 |
| details |
Paleocene |
Danian |
USSR(WSL) |
Xu,Y. et al. Spores and pollen (Jurassic). (In: Mesozoic Stratigraphy and Palaeontology of the Shan-Gan-Ning Basin.) |
1980 |
| details |
Late Cretaceous |
|
USSR(Yakut ASSR) |
Bolkhovitina,N.A. Spore-pollen complexes from the Mesozoic deposits of the Vilyuy Basin and their importance for stratigraphy. |
1959 |