| details |
Early Triassic |
Middle Triassic |
USSR(Komi ASSR) |
Chalyshev,V.I. et al. Biostratigraphy of the Triassic of the Pechorsk District. |
1966 |
| details |
Valanginian |
Hauterivian |
USSR(Sverdlovskaya) |
Kara-Murza,E.N. Spores and pollen of Mesozoic deposits of the northern Eniseydk Lensk Region. |
1954 |
| details |
Early Triassic |
|
USSR(Siberia) |
Odintsova,M.M. Spore-pollen complexes from the Tuffaceous deposits of the central part of the Siberian Platform and the Nearshore marine beds of the Indsk Layers of northern Pri-Verkhoyask. |
1969 |
| details |
Carnian |
|
USSR(Taymyr Nat.Okrug) |
Kara-Murza,E.N. Palynological basis of stratigraphical subdivision of the Mesozoic deposits of the Khatanga Depression. |
1960 |