| details |
Eifelian |
Givetian |
Canada(Ontario) |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Late Givetian |
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 |
| details |
Early Lochkovian |
Early Emsian |
France |
Moreau-Benoit,A. et al. New palynostratigraphical data on the Armorican Lower Devonian |
1989 |
| details |
Middle Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Givetian |
|
Poland |
Turnau,E. et al. Givetian palynostratigraphy and palynofacies: New data from the Bodzentyn Syncline (Holy Cross Mountains, Central Poland). |
1999 |