| details |
Early Jurassic |
|
USSR(Kazakh SSR) |
Kovalchuk,G.M. Paleobotanical charateristics of Lower Mesozoic deposits of Alakul'sk Seam. (In: History of Lower Mesozoic Coal Accumulation in Kazakhstan: Part 2.) |
1961 |
| details |
Early Jurassic |
|
USSR(Ukrainian SSR) |
Semenova,E.V. Palynological characteristic of Jurassic deposits of the North-Western Pary of the Donetsk Basin |
1966 |
| details |
Early Jurassic |
|
USSR(Kazakh SSR) |
Ritenberg,M.I. et al. Lower Mesozoic coal accumulation in the Territory of the Maikiubensk Basin. (In: History of Lower Mesozoic Coal Accumulation in Kazakhstan: Part 1.) |
1961 |
| details |
Carnian |
Dogger |
USSR(Orenburg) |
Faddeeva,I.Z. Spore-pollen complexes of Lower Mesozoic deposits in the southern part of the Magnitogorsk Syncline. (In: History of Lower Mesozoic Coal Accumulation in Kazakhstan: Part 1.) |
1961 |
| details |
Bathonian |
|
USSR(Urals) |
Malyavkina,V.S. Spore and pollen complexes of Mesozoic deposits of the South-East of the Russian Platform (Emba and West Urals) |
1956 |
| details |
Bajocian |
Early Bathonian |
USSR(Urals) |
Malyavkina,V.S. Spore and pollen complexes of Mesozoic deposits of the South-East of the Russian Platform (Emba and West Urals) |
1956 |