| original |
Middle Eocene |
|
W.Germany(Hesse) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |
| details |
Sparnacian |
|
Hungary |
Kedves,M. Palynologic investigations from the Dorog Basin. II. |
1961 |
| details |
Early Oligocene |
|
Hungary |
KrivЎn-Hutter,E. Stratigraphic position of the Oligocene Brown Coal Measures of the Borokas District (Dorog Basin) in the light of palynological investigations |
1964 |
| details |
Sparnacian |
|
France(Paris Basin) |
Gruas-Cavagnetto,C. Spore and pollen complexes of the Sparnacian of the Paris Basin. |
1967 |
| details |
Middle Eocene |
|
Hungary |
Kedves,M. Palynological studies on Hungarian Early Tertiary deposits. |
1969 |
| details |
Eocene |
|
Colombia |
Schuler,M. et al. Palynologic observations in the Amaga Basin (Colombia). |
1970 |
| details |
Eocene |
Oligocene |
Colombia |
de Porta,J. Stratigraphic Lexicon. Colombia:(Part Two). Tertiary and Quaternary. |
1974 |
| details |
Early Sparnacian |
Cuisian |
France(Paris Basin) |
Gruas-Cavagnetto,C. Palynological study of the Defense borehole (Paris). |
1976 |