| details |
Bartonian |
Priabonian |
California |
Frederiksen,N.O. Eocene sporomorph biostratigraphy of Southern California |
1989 |
| details |
Middle Oligocene |
Late Oligocene |
Bulgaria |
Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria |
1977 |
| details |
Middle Oligocene |
Late Oligocene |
Bulgaria |
Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria. |
1977 |
| details |
Lattorfian |
|
Belgium |
Sittler,C. et al. Stratigraphic extent, geographic distribution and ecology of two Paleogene pollen genera observed in Western Europe; Aglaoreidia and Boehlensipollis. |
1975 |