| original |
Early Frasnian |
|
France(Boulonnais) |
Taugourdeau-Lantz,J. On the Lower Frasnian microflora of Beaulieu (Boulonnais). |
1960 |
| details |
Frasnian |
|
France(Boulonnais) |
Taugourdeau-Lantz,J. First information of the Tasmanaceae of France |
1968 |
| details |
Frasnian |
|
France |
Taugourdeau-Lantz,J. The Tasmanaceae, fossil cysts of the Prasinophyceae. |
1979 |
| details |
Middle Frasnian |
|
France |
Taugourdeau-Lantz,J. The observation of Tasmanites with the Scanning Electron Microscope-Nature and Hypothesis |
1979 |
| details |
Middle Frasnian |
|
France(Boulonnais) |
Le H©riss©,A. et al. Acritarches and Prasinophyte (Late Givetian-Middle Frasnian) of Ferques (Boulonnais, France). (In: The Devonian of Ferques Lower Boulonnais, (Northern France). D.Brice, editor) |
1988 |