| details |
Late Triassic |
|
USSR(Yakut ASSR) |
Odintsova,M.M. et al. Late Triassic deposits of South-Western Yakuts. (In: Material on the Biostratigraphy and Paleogeography of Eastern Siberia). |
1975 |
| details |
Permian |
|
USSR(Buryat ASSR) |
Misnik,Y.F. et al. The Date for the Grounds of the age of the Chachin Strata, (Eastern Trans-Baikal) |
1966 |
| original |
Jurassic |
|
USSR(WSL) |
Malyavkina,V.S. Spores and pollen from Triassic deposits of the West Siberian Lowland. |
1964 |
| details |
Early Triassic |
|
USSR(Komi ASSR) |
Chalyshev,V.I. et al. Biostratigraphy of the Triassic of the Pechorsk District. |
1966 |