| original |
Jurassic |
Early Cretaceous |
USSR(Omskaya Oblast) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| original |
Jurassic |
Cretaceous |
USSR(Omskaya Oblast) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| original |
Jurassic |
|
USSR(Omskaya Oblast) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| details |
Callovian |
|
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 |
Callovian |
Callovian |
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 |
Toarcian |
Bajocian |
USSR(Ukrainian SSR) |
Semenova,E.V. Spore and pollen assemblages of deposits of the Jurassic and Triassic Boundary of the Don Basin. |
1970 |