| details |
Eocene |
|
Colorado |
Krutzsch,W. Atlas of Middle and Upper Tertiary dispersed spores and pollen as well as microplankton of northern Middle Europe 6. Coniferae pollen (Saccites and Inaperturates) |
1971 |
| details |
Lutetian |
Bartonian |
California |
Frederiksen,N.O. et al. Middle Eocene palynomorphs from San Diego, California;Part I:Introduction, spores and Gymnosperm pollen. |
1983 |
| details |
Early Oligocene |
|
Czechoslovakia(Morovia) |
Petercakova,M. et al. Upper Eocene and Lower Oligocene sporomorphs of the Oravska Vrchovina highland |
1983 |