| details |
Devonian |
Permian |
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Permian |
|
USSR(Tatar ASSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Permian |
|
USSR(Permsk Nat.Okrug) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Ufimian |
|
USSR(Leningrad) |
Faddeeva,I.Z. Palynostratigraphy of Permian deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |
| details |
Permian |
|
USSR(Krasnoyarsk Kray) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Permian |
|
USSR(Kalinin) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Kazanian |
|
USSR(Arkhangelsk Oblast) |
Molin,V.A. Kazanian Stage |
1969 |