| details |
Carnian |
|
USSR(Urals) |
Tuzhikova,V.I. New data on spore-pollen complexes of the Ladinian Deposts of the Urals. (In: New Miospores, Foraminifera, Ostracods and conodonts of the Paleozoic and Mesozoic of the Urals. Collected Articles on the Problems of Stratigraphy.#24. N.P.Malachova and B.I.Chuvashev, editors) |
1975 |
| details |
Anisian |
|
Arctic Ocean(Barents Sea) |
Smirnova,S.B. et al. Possibilites of Triassic deposits correlations of Barents Sea and Precaspian. (In: Palynological material). (In: Stages and Zonation scale of the Boreal Mesozoic of the USSR. V.A.Solovev, editor) |
1989 |
| details |
Middle Triassic |
|
W.Germany(Niedersachsen) |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |