| details |
Gzelian |
|
USSR(Urals) |
Faddeeva,I.Z. Palynological characteristics of the Carboniferous-Permian Beds in the stratotype area (South Urals). (In: Biostratigraphy of Carboniferous and Permian boundary deposits. S.V.Meyen, editor) |
1980 |
| details |
Kungurian |
|
USSR(Orenburg) |
Markina,N.N. Pollen and spores of Lower Permian Halogen Formations of western and northern border zones of the PreCaspian Basin and their stratigraphic significance. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
| details |
Early Cretaceous |
|
China(Honan) |
Qian,S.-H. et al. Early Cretaceous sporo-pollen assemblages from Southern Henan, China |
1986 |