| details |
Induan |
Middle Triassic |
USSR(Russian Platform) |
Varyukhina,L.M. Spores and pollen of the red-colored coal-bearing Permian and Triassic sediments of the northeastern part of European SSSR. |
1971 |
| details |
Late Triassic |
|
USSR(Komi ASSR) |
Varyukhina,L.M. et al. Palynological complexes of Triassic deposits of the Tyman-Pechora Province and their correlation. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
| details |
Nd |
|
Nd |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |
| details |
Early Keuper |
Middle Keuper |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |