| details |
Rhaetian |
Hettangian |
USSR(Kazakh SSR) |
Buvalkin,A.K. et al. Jurassic deposits of the Sugandinsk Coalfields in the Kendyktas Mountains |
1981 |
| details |
Middle Triassic |
Carnian |
USSR(Russian Platform) |
Varyukhina,L.M. Spores and pollen of the red-colored coal-bearing Permian and Triassic sediments of the northeastern part of European SSSR. |
1971 |
| original |
Late Triassic |
|
USSR(Kazakh SSR) |
Faddeeva,I.Z. Part 5. Lower Mesozoic megaspores of the Or-Ilek Region and their stratigraphic significance. (In: Palynological validation of the stratigraphic division of the Lower Mesozoic Coal-bearing deposits of Or'-Ilek Region.) |
1965 |
| details |
Early Triassic |
Middle Triassic |
USSR(Krasnodar Kray) |
Rimsha,L.A. et al. To the problem of stratigraphic position of Pre-Cretaceous series in Western Cis-Caucasian Territory. |
1975 |