details |
Permian |
|
USSR |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
details |
Kungurian |
Kazanian |
USSR(Urals) |
Samoilovich,S.R. Pollen and spores of Permian deposits of Cherdyn and Aktyubinsk in the Lower Urals. (In: Palaeobotanical Symposium) |
1953 |
original |
Kazanian |
|
USSR(Urals) |
Samoilovich,S.R. Pollen and spores of Permian deposits of Cherdyn and Aktyubinsk in the Lower Urals. (In: Palaeobotanical Symposium) |
1953 |
original |
Kazanian |
Kazanian |
USSR(Urals) |
Samoilovich,S.R. Pollen and spores of Permian deposits of Cherdyn and Aktyubinsk in the Lower Urals. (In: Palaeobotanical Symposium) |
1953 |