| details |
Early Eltonian |
Downtonian |
England(Shropshire) |
Lister,T.R. et al. The stratigraphic distribution of the acritarchs in the Ludlow succession at Ludlow. |
1974 |
| details |
Early Famennian |
|
Germany(Rhineland) |
Jux,U. Phytoplankton from the Middle Upper Devonian (Nehdinian) of the Southwestern Bergisches Land, Rhenish Schiefergebirge. |
1975 |
| details |
Late Famennian |
|
Iran |
Coquel,R. et al. Palynology of the Upper Devonian and Lower Carboniferous in the eastern Elburz (Northeast Iran). |
1977 |
| details |
Senecan |
Chautauquan |
New York |
Wood,G.D. Palynology and paleobotany of the Jave and Lowermost Canadaway Formations, Upper Devonian, (Senecan/Chautauquan ), New York State. |
1978 |
| details |
Late Givetian |
Early 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 |
Late Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |