| original |
Early Jurassic |
Middle Jurassic |
USSR(Urals) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| original |
Early Jurassic |
Middle Jurassic |
USSR(Aktyubinskaya) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| details |
Bajocian |
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 |
Liassic |
|
USSR |
Pokrovskaya,I.M. Pollen analysis |
1958 |