| details |
Priabonian |
|
Greece |
Zagorchev,I.S. Pre-Priabonian Palaeogene Formations in Southwestern Bulgaria a northern Greece: stratigraphy and tectonic implications |
1998 |
| details |
Priabonian |
|
Bulgaria |
Palamarev,E. et al. Study of Bulgarian Tertiary flora palaeoecological and other biostratigraphic aspects in comparison with other Europen flora |
1998 |
| details |
Early Oligocene |
|
Bulgaria |
Palamarev,E. et al. Fossil flora from Paleogene sediments in the northern area of the Mesta Graben in the Western Rhodopes. II. Analysis and stratigraphic importance of the flora. |
2000 |