| details |
Late Triassic |
|
USSR(Yakut ASSR) |
Pervuninskaya,N.A. Palynological characteristics of deposits of the Chajdkh Suite and the Lower (?) Lias of the Anabar -Khatanga Interfluve. (In: Collected Papers on paleontology and biostratigraphy) |
1958 |
| details |
Rhaetian |
Aptian |
USSR(Yakut ASSR) |
Verbitskaya,Z.I. Characteristics of the Basic spore-pollen complexes of Mesozoic deposits. (In: The History of Upper Mesozoic Coal Accumulation in the Territory of Buryat ASSR and the Southeast Part of the Lensk Basin.) |
1963 |
| details |
Middle Triassic |
|
USSR(Far East) |
Sukhov,L.G. et al. Biostratigraphy of Volcanic Formations in the western part of the Tunguska Syneclise |
1966 |