original |
Famennian |
|
Belgium |
Becker,G. et al. Palynology and ostracode distribution in the Upper Devonian and Basal Dinantian of Belgium and their dependence on sedimentary Acies. |
1974 |
original |
Late Famennian |
|
Nd |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
original |
Nd |
|
Pennsylvania |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
original |
Late Famennian |
|
Canada(New Brunswick) |
McGregor,D.C. et al. Implications of spore evidence for Late Devonian age of the Piskahegan Group, Southwestern New Brunswick. |
1988 |
original |
Nd |
|
Nd |
Turnau,E. Two new Devonian spore genera from Euramerica and their stratigraphic and geographic distribution |
2002 |