| details |
Olenikian |
|
USSR(Komi ASSR) |
Yaroshenko,O.P. et al. New species of Lower Triassic spores from the Pechora Syneclise |
1989 |
| details |
Induan |
Anisian |
USSR(Moscow Basin) |
Romanovskaya,G.M. et al. Palynostratigraphy of Triassic deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |
| details |
Early Triassic |
|
USSR(Ukrainian SSR) |
Yaroshenko,O.P. et al. Miospores and Lower triassic stratigraphy of the Pechora Syneclise. |
1991 |
| details |
Induan |
Ladinian |
Barents Sea |
Mиrk,A. et al. Triassic rocks in Svalblard, the Arctic Soviet Islands and the Barents Shelf: Bearing on their correlations. (In: Arctic Geology and Petroleum Potential. T.O.Vorren et al, editors) |
1993 |