| original |
Early Triassic |
|
USSR(WSL) |
Malyavkina,V.S. Spores and pollen from Triassic deposits of the West Siberian Lowland. |
1964 |
| details |
Early Triassic |
|
USSR(Kazakh SSR) |
Avrov,P.Y. et al. Stratigraphy and oil potential of Lower Triassic deposits of the eastern fringe of the Precaspian Depression. |
1966 |
| details |
Werfenian |
Anisian |
Romania |
Oniceanu,M. et al. The palynological contributions of the study of the crystallophylliens and sedimentary formation of zone between Bistricioara-Valea Seaca-Baraseu Valley (Harghita Country, East Carpathians). |
1977 |
| details |
Early Triassic |
|
USSR(Chelyabinskaya) |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |