| details |
Oligocene |
|
USSR(Pavlodarskaya) |
Zaklinskaya,E.D. Material on the history of the flora and vegetation of the Paleogene of northern Kazakhstan in the area of Pavlodar Pr-Irtish. |
1953 |
| details |
Miocene |
|
Argentina(Salta) |
Cuadrado,G.A. et al. Preliminary results of the palynological analysis from the Palo Pintado Formation (Miocene), Santa Province, Argentina |
1992 |
| original |
Late Pliocene |
Pleistocene |
USSR(Urals) |
Chigurayeva,A.A. et al. Compositae pollen in the Upper Poliocene and Pleistocene strata of the Volga-Ural Region |
1983 |
| details |
Early Pliocene |
Middle Pliocene |
China(Tibet) |
Cao,L. Pliocene palynological flora in Disong of Burang, Xizang, (Tibet). |
1982 |