| details |
Aptian |
|
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 |
Early Jurassic |
|
USSR(Caucasus) |
Yaroshenko,O.P. Spores and pollen complexes of Jurassic and Lower Cretaceous deposits of northern Caucasus and their stratigraphic importance |
1965 |
| details |
Early Cretaceous |
|
USSR(Caucasus) |
Yaroshenko,O.P. Spores and pollen complexes of Jurassic and Lower Cretaceous deposits of northern Caucasus and their stratigraphic importance |
1965 |
| details |
Aptian |
Albian |
USSR(Caucasus) |
Edemskaya,A.L. The spore-pollen complexes originated in the Aptian and Albian deposits in the eastern part of northern Caucasus |
1960 |
| details |
Bathonian |
Callovian |
USSR(Baltic) |
Venozhinskene,A.I. Palynological investigations of the Jurassic deposits in the South Baltic area |
1960 |
| details |
Hauterivian |
|
USSR |
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 |
| original |
Early Albian |
Cenomanian |
USSR |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| details |
Albian |
|
USSR |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| details |
Nd |
|
Nd |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |
| details |
Albian |
|
Alaska(North Slope) |
Stanley,E.A. Cretaceous pollen and spore assemblages from northern Alaska. |
1967 |