original |
Emsian |
Givetian |
Canada(Ontario) |
Playford,G. Lower to Middle Devonian acritarchs of the Moose River Basin, Ontario. |
1977 |
original |
Emsian |
|
Belgium |
Lessuise,A. et al. Palynological observations in the Couvinian (Upper Emsian and Eifelian), of the eastern Flank of the Synclinorium of Dinnt, Belgium. |
1979 |
original |
Gedinnian |
|
France(Maine-et-Loire) |
Moreau-Benoit,A. et al. Confirmation of the Silurian and the discovery of the Lower Devonian by palynoplanktology in the slates and sands at the eastern end of the Ancenis Basin (south-east of the Armoricain Massif). |
1987 |