| details |
Early Barremian |
|
USSR(Dagestan ASSR) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes of the Pre-Caucasus, northern Caucasus and Trans-Caucasia. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Albian |
|
USSR(Dagestan ASSR) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes of the Pre-Caucasus, northern Caucasus and Trans-Caucasia. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Late Cretaceous |
Paleocene |
USSR(Belorussian SSR) |
Menner,V.V. The spore-pollen analysis method of direct correlation of strata of diverse facies. Chapter 2: Biostratigraphic principles of correlation of marine, lagoon and continental formations. |
1962 |
| details |
Cretaceous |
|
USSR |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |