| details |
Late Liassic |
|
USSR(WSL) |
Rovnina,L.V. New data on the range of Lower Jurassic deposits of the eastern part of western Siberia. (In: Voprosy biostratigrafii i Paleogeografii Neftegazonosnykh Oblastei SSSR.) |
1977 |
| details |
Late Liassic |
|
USSR(WSL) |
Rovnina,L.V. et al. Jurassic deposits. (In: Complex examination of the Jurassic and Lower Cretaceous stratigraphy of Western Siberia. L.A.Rovnina, editor) |
1978 |
| details |
Ladinian |
Carnian |
USSR(Urals) |
Tuzhikova,V.I. Lithology and stratigraphy of the Lower Mesozoic deposits of the Urals. (In: The history of the Lower Mesozoic accumulation of Coals in the Urals) |
1973 |