| details |
Early Oligocene |
|
Russia(Caucasus) |
Zaporozhets,N.I. Lower Oligocene palynology and phytoplankton of the northern Caucasus |
1993 |
| details |
Early Oligocene |
|
Russia(Caucasus) |
Zaporozhets,N.I. Lower Oligocene palynology and phytoplankton of the northern Caucasus |
1993 |
| details |
Valanginian |
|
Alaska(North Slope) |
Mickey,M.B. et al. Biostratigraphy report 129 outcrop samples Western Delong Mountains (Tingmerkpuk), North Slope, Alaska. |
2000 |
| details |
Valanginian |
|
Alaska(North Slope) |
Mickey,M.B. et al. Biostratigraphy report 129 outcrop samples Western Delong Mountains (Tingmerkpuk), North Slope, Alaska. |
2000 |
| details |
|
|
|
Sluijs,A. et al. From greenhouse to icehouse; organic-walled dinoflagellate cysts as paleoenvironmental indicators in the Paleogene |
2005 |