| details |
Pliocene |
Pleistocene |
Mexico |
Martnez-HernЎndez,E. et al. Palynostratigraphy of the Tepexi de Rodriguez Region, Puebla, Mexico; Chronostratigraphic implications]: |
1999 |
| details |
Early Miocene |
Pliocene |
China(Shansi) |
Wang,X.-Z. On the discovery of Late Tertiary sporo-pollen assemblage in the Brown-Coal Beds of Tianchen Region and its significance. |
1978 |
| details |
Late Pliocene |
Quaternary |
Brazil(Amazonas) |
Hammen,T.Van Der et al. Late Tertiary and Pleistocene vegetation history; 20my to 20ky. II. 3. South America. (In: Vegetation History. B.Huntley et al, editor) |
1988 |
| details |
Thanetian |
Ypresian |
China |
Li,J. et al. Paleogene arid climatic process in China. |
2000 |