| details |
Late Pliocene |
|
California |
Axelrod,D.I. et al. Late Pliocene floras East of the Sierra Nevada |
1960 |
| details |
Middle Oligocene |
|
USSR(Ukrainian SSR) |
Shchekina,N.A. Results of spore And-pollen investigation of the Middle Maikop deposits of the South of the Ukraine |
1969 |
| details |
Middle Miocene |
Late Pliocene |
North Sea |
Kuhlmann,G. High resolution stratigraphy and paleoenvironmental changes in the southern North Sea during the Neogene : An integrated study of Late Cenozoic marine deposits from the northern part of the Dutch offshore area |
2004 |