| details |
Late Pliocene |
Early Pleistocene |
France(Normandie) |
Clet-Pellerin,M. et al. Stratigraphy and palynology of the Late Pliocene and Early Pleistocene: Sequences in marine and Lagunal sediments in Normandy, (France). |
1999 |
| details |
Late Oligocene |
|
China(Kwangtung) |
Yu,J.-F. et al. Spore-pollen assemblages from the No.5 Driss-Well of Maoming, in the Maoming Basin, Guangdong and its geological age. |
1983 |
| details |
Middle Miocene |
Pleistocene |
Canada(Yukon) |
White,J.M. et al. An 18 million year record of vegetation and climate change in northwestern Canada and Alaska: Tectonic and global climatic correlates. |
1997 |
| details |
Maastrichtian |
|
California |
Crepet,W.L. Advanced (constant) insect pollination mechanisms. Pattern of evolution and implications vis-a-vis angiosperm diversity. |
1984 |
| details |
Maastrichtian |
|
Brazil |
Crepet,W.L. Advanced (constant) insect pollination mechanisms. Pattern of evolution and implications vis-a-vis angiosperm diversity. |
1984 |
| details |
Early Miocene |
|
Alaska |
Foster,H.L. et al. Fossil pollen from nonmarine sedimentary rocks of the eastern Yukon-Tanana Region, East-Central Alaska. (In: Geologic studies in Alaska by the U.S. Geological Survey,1989) |
1990 |
| details |
Early Pliocene |
Middle Pliocene |
Alaska |
Ager,T.A. et al. Pliocene terrace gravels of the ancestral Yukon River near Circle Alaska; Palynology, paleobotany, paleoenvironmental reconstruction and region correlation. (In: Tertiary Quaternary Boundaries. T.A. Ager et al, editors) |
1994 |
| details |
Middle Miocene |
Pleistocene |
Alaska |
White,J.M. et al. An 18 million year record of vegetation and climate change in northwestern Canada and Alaska: Tectonic and global climatic correlates. |
1997 |