| details |
Late Tertiary |
|
North America |
Leopold,E.B. Late Cenozoic palynology. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Early Pleistocene |
|
USSR(Georgian SSR) |
Shatilova,I.I. et al. Palynological assemblages of Chaudinian deposits of Western Georgia and their stratigraphic significance. |
1980 |
| details |
Nd |
|
Nd |
Vasanthy,G. et al. The evolution of angiospermid pollen characteristics: Conjectures and Queries. (In: Proceeding of the Symposium on the Vistas in Indian Palaeobotany. K.P.Jain and R.S.Tiwari, editors) |
1990 |