| original |
Maastrichtian |
Danian |
USSR(WSL) |
Chlonova,A.F. Spores and pollen of the upper half of the Upper Cretaceous of the eastern part of the Western Siberian Lowland. |
1961 |
| details |
Maastrichtian |
|
USSR(WSL) |
Takahashi,K. Pollen and spore floras of the Upper Cretaceous and the Lower Paleocene in the Aquilapollenites Province and their Stratigaphic investigation |
1967 |
| details |
Late Cretaceous |
|
USSR(WSL) |
Tschudy,B.D. Two new fossil pollen genera from Upper Campaniam, (Cretaceous), rocks of Montana. |
1971 |
| details |
Late Paleocene |
Eocene |
China(Inner Mongolia) |
Song,Z.-C. et al. Geological age of the Caomuhao Gypsum Mine in Otog Banner, Nei Mongol with review of research on fossil Proteaceous pollen in China. |
1990 |