| details |
Middle Triassic |
|
USSR(Chelyabinskaya) |
Tuzhikova,V.I. On the dating of the deposits of the Turinsk phytostratigraphy horizon, Turinsk and Bitkuyevskaya Suites of the Suhoyaksk Region Chelyabinsk Basin. (In: New data on the Triassic stratigraphy of the Paleo-Urals. V.I. Tuzikova and G.N. Papulov, editors) |
1980 |
| details |
Early Triassic |
|
USSR(Astrachan) |
Lipatova,V.V. et al. New paleontologic Proof of the presence of Middle Triassic in the Caspian Basin |
1972 |
| details |
Keuper |
|
USSR |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |
| details |
Keuper |
|
Poland |
Orlowska-Zwolinska,T. On several stratigraphically important species of sporomorphs occurring in the Keuper of Poland. |
1971 |
| details |
Nd |
|
Nd |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |