| details |
Pliocene |
Pleistocene |
USSR(Yakut ASSR) |
Sher,A.V. et al. New data on the Late Cenozoic deposits of the Kolyma Lowlands. |
1977 |
| original |
Aptian |
Albian |
USSR(Rostov) |
Tabachnikova,I.P. Description of spores and pollen in Aptian-Albian deposits of the lower reaches of the Don River Basin and the Upper Chelbasa River. (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(Yakut ASSR) |
Verbitskaya,Z.I. Characteristics of the Basic spore-pollen complexes of Mesozoic deposits. (In: The History of Upper Mesozoic Coal Accumulation in the Territory of Buryat ASSR and the Southeast Part of the Lensk Basin.) |
1963 |