| details |
Late Triassic |
|
USSR(Komi ASSR) |
Chalyshev,V.I. et al. Tatarian and Triassic deposits of the Pechorsk Basin and age of the fold area of the northern Pre -Ural Trough. (In: Collected Articles on the Geology of the Arctic. #14, B.V.Tkachenko, editor) |
1960 |
| details |
Liassic |
|
USSR(WSL) |
Derviz,T.L. Stratigraphy of Jurassic deposits of the Middle Course of the Irtysh'ob and Chulymo-Eniseiskoi Depression. (In: Geology and Petroleum Resources of the western part of the Western Siberian Plain. S.G.Galerkina, editor) |
1959 |
| details |
Early Jurassic |
|
USSR(Yakut ASSR) |
Bolkhovitina,N.A. Spore-pollen complexes from the Mesozoic deposits of the Vilyuy Basin and their importance for stratigraphy. |
1959 |
| original |
Early Jurassic |
Middle Jurassic |
USSR(Siberia) |
Bolkhovitina,N.A. Atlas of spores and pollen from Jurassic and Lower Cretaceous deposits of the Vilyuysk Basin. |
1956 |