| original |
Siegenian |
Givetian |
Canada(Ontario) |
Playford,G. Lower to Middle Devonian acritarchs of the Moose River Basin, Ontario. |
1977 |
| details |
Gedinnian |
Siegenian |
France(Manche) |
Moreau-Benoit,A. et al. Lower Devonian schists and limestones of Nehou in the Barneville Section, (Northeastern Armoricain Massif). Sedimentology, palynology, planktology, stratigraphy. |
1982 |
| details |
Late Siegenian |
Early Eifelian |
Canada(Ontario) |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Late Eifelian |
Middle Givetian |
Canada(Ontario) |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Frasnian |
|
W.Germany(N.Rhine) |
Amirie,G.H.B. Phytoplankton of the Frasnian of Bergisch Syncline of the North Rhineland |
1984 |