| details |
Early Triassic |
|
USSR(Kazakh SSR) |
Serebryanskaya,M.A. Spore and pollen complexes in Lower Triassic deposits of Usturt, Southern Mangyshlak, Buzachi Peninsula and their stratigraphic importance. |
1981 |
| details |
Early Triassic |
|
USSR(Kazakh SSR) |
Serebryanskaya,M.A. Lower Triassic assemblages of miospores in the Near-Sea zone of the Urals-Volga Interstream area |
1984 |
| details |
Ladinian |
Carnian |
England(Lincolnshire) |
Smith,E.G. et al. The age and relationships of the Triassic rocks assigned to the lower part of the Keuper in north Nottinghamshire, north-west Lincolnshire and north Yorkshire. |
1971 |