| details |
Tournaisian |
|
USSR(Yakut ASSR) |
Skripina,G.F. New data regarding the age of the Upper Layers of the Kurungury Suite in the Kempendyayi area. (In: Palynological characteristics of the Paleozoic, Mesozoic and Cenozoic deposits of Vakutia. A.I.Tomskayiya and V.F.Vozin, editors) |
1971 |
| original |
Middle Triassic |
|
USSR(WSL) |
Malyavkina,V.S. Spores and pollen from Triassic deposits of the West Siberian Lowland. |
1964 |
| details |
Middle Triassic |
|
USSR(WSL) |
Malyavkina,V.S. Spores and pollen from Triassic deposits of the West Siberian Lowland. |
1964 |
| details |
Middle Triassic |
|
USSR(Chelyabinskaya) |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |