| details |
Late Neogene |
Pleistocene |
E.Germany |
Ahrens,H. et al. On the Plio/Pleistocene boundary in the German Democratic Republic |
1968 |
| details |
Early Eocene |
|
Alaska |
Ager,T.A. et al. Early Eocene sporomorph assemblage from Death Valley, Seward Peninsula, Western Alaska. |
1986 |
| 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 |
Late Pliocene |
Middle Pleistocene |
USSR(WSL) |
Adamenko,O.M. et al. Spore and pollen spectra from the deposits of Kochkovskaya and Krasnodubrovskaya Suites of Southern Part of the Ob Stppe Plateau |
1966 |