| original |
Early Albian |
Middle Albian |
USSR(Kazakh SSR) |
Kotova,I.Z. Pollen of Early angiosperms from the Lower Cretaceous of the Caspian Lowland |
1979 |
| details |
Middle Albian |
|
Hungary |
JuhЎsz,M. Palynostratigraphic zonation of the Transdanubian Middle Cretaceous. |
1983 |
| details |
Early Albian |
Middle Albian |
USSR(Siberia) |
Chlonova,A.F. Fundamental stratigraphic events for the type Cretaceous angiosperm pollen. (In: Palynostratigraphy of the Mesozoic and Cainozoic of Siberia. V.S.Volkova and A.F.Khlonova, editors) |
1985 |