| original |
Keuper |
Rhaetian |
USSR(Urals) |
Malyavkina,V.S. Upper Triassic, Lower and Middle Jurassic spore and pollen complexes of the western and eastern sides of the Urals. (In: Paleobotanical Symposium) |
1953 |
| original |
Rhaetian |
|
USSR(Pre-Urals) |
Malyavkina,V.S. Spore and pollen assemblages of eastern and Western Pre-Urals. |
1953 |
| details |
Keuper |
|
USSR(Urals) |
Kareva,E.A. The Upper Paleozoic and Lower Mesozoic of the Eastern Slope of the Urals and the western part of the Western Siberian Lowlands. (In: Geology and Petroleum Resources of the western parts of the Western Siberian Lowlands. S.G.Galerkina, editor) |
1959 |
| details |
Rhaetian |
|
USSR(Pre-Urals) |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |