| details |
Pliensbachian |
Middle Toarcian |
USSR(Yakut ASSR) |
Kovalskaya,V.T. Palyno-Assemblages from Argillaceous Beds, Disclosed in boreholes at Kempendyayi and the Mouth of the Markha River.Central Yakutsk). |
1978 |
| details |
Aptian |
Cenomanian |
USSR(Yakut ASSR) |
Pavlov,V.V. Some aspects of the dependence of spore-pollen assemblages on lithological composition. |
1959 |
| details |
Valanginian |
|
USSR(Yakut ASSR) |
Pokrovskaya,I.M. Lower Cretaceous spore-pollen complexes Anabar-Kha Tanga interfluv, Khatanga and Pre-Verkhoyansk Synec Lises and Vilyuy Depression. (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 Jurassic |
|
USSR(Yakut ASSR) |
Bobrov,A.K. The geological make-up of Yakuts ASSR and its oil gas potential. (In: Geological Symposium #5) |
1960 |
| details |
Tithonian |
|
USSR(Yakut ASSR) |
Vakhrameev,V.A. et al. Paleobotanical data and the Border Line between Jurassic and Cretaceous Systems. |
1973 |
| details |
Late Valanginian |
Hauterivian |
USSR(Yakut ASSR) |
Kara-Murza,E.N. Some data on the composition of spore-pollen complexes of the marine Lower Cretaceous of the Nordvik Region. |
1958 |