| original |
Permian |
|
Australia(Queensland) |
Rigby,J.F. et al. Palynology of the Permian sequence in the Springsure Anticline, Central Queensland. |
1977 |
| original |
Early Eifelian |
Givetian |
China(Heilungkiang) |
Ouyang,S. Microfossils from the Devonian Heitai Formation of Mishan County, Heilungjiang Province. |
1984 |
| original |
Late Gedinnian |
|
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| original |
Early Lochkovian |
|
Scotland(Fife) |
Lavender,K. et al. Lower Devonian spore assemblages from the Arbuthnott Group at Canterland Den in the Midland Valley of Scotland |
2002 |