| details |
Emsian |
Eifelian |
Maine |
Andrews,H.N. et al. Early Devonian flora of the Trout Valley Formation of northern maine. |
1977 |
| details |
Late Gedinnian |
|
Wales |
Richardson,J.B. et al. A new spore assemblage to correlate between the Breconian (British Isles) and the Gedinnian (Belgium). |
1982 |
| details |
Late Gedinnian |
|
Belgium |
Richardson,J.B. et al. A new spore assemblage to correlate between the Breconian (British Isles) and the Gedinnian (Belgium). |
1982 |
| details |
Early Devonian |
|
China(Yunnan) |
Kenrick,P. et al. An early, non-calcified, dasycladalean alga from the Lower Devonian of Yunnan Province, China. |
1998 |