| original |
Landenian |
|
Belgium |
Roche,E. New species of spores and pollen of the Upper Landenian of Belgium (Borehole of Kallo). |
1968 |
| details |
Landenian |
|
Belgium |
Roche,E. Palynologic study of the sediments from the Continental Montian and Upper Landenian in Hainaut |
1969 |
| details |
Late Landenian |
|
Belgium |
Roche,E. Study of the sporomorphs from the Landenian of Belgium and some French Sparnacian deposits. |
1973 |
| details |
Late Sparnacian |
|
France(Paris Basin) |
Gruas-Cavagnetto,C. Palynological study of the Defense borehole (Paris). |
1976 |