| details |
Early Oligocene |
|
Spain |
Gruas-Cavagnetto,C. et al. Fossil pollen of Leguminosae-Minosoideae in the Lower Oligocene of the Ebro Basin (Spain) palaeoclimatologic and palaeogeographic implications |
1994 |
| details |
Middle Bartonian |
|
Spain |
Gruas-Cavagnetto,C. et al. A mangrove complex of the Bartonian of the Ebro Basin (NE.Spain). |
1995 |
| details |
Middle Bartonian |
|
Spain |
Gruas-Cavagnetto,C. et al. Preliminary palynological data on floristic and climatic changes during the Middle Eocene-Early Oligocene of the eastern Ebro Basin, Northeast Spain |
1996 |