| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Early Albian | Middle Albian | USSR | Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. | 1953 |
| details | Cenomanian | Turonian | USSR(WSL) | Chlonova,A.F. Palynological characteristics of Cretaceous deposits at the Kya River (West Siberia). | 1976 |