| details |
Middle Triassic |
|
USSR(Kazakh SSR) |
Romanovskaya,G.M. Triassic, Lower and Middle Jurassic spore and pollen complexes of Western Kazakhstan. |
1962 |
| details |
Ladinian |
Rhaetian |
USSR(Kazakh SSR) |
Bunina,M.V. Lithology and facies in the Lower Mesozoic Coal Measures of Turgai Depression |
1969 |
| details |
Middle Carboniferous |
|
USSR |
Bolkhovitina,N.A. History of Schizaeceae Family in the geological past on the basis of spore studies. |
1962 |
| details |
Middle Triassic |
|
USSR(Kazakh SSR) |
Romanovskaya,G.M. Triassic, Lower and Middle Jurassic spore and pollen assemblages of Western Kazakhstan |
1962 |
| details |
Late Triassic |
|
USSR(Kazakh SSR) |
Romanovskaya,G.M. Triassic, Lower and Middle Jurassic spore and pollen assemblages of Western Kazakhstan |
1962 |