| details |
Emsian |
Eifelian |
Nd |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Emsian |
Eifelian |
Nd |
Chaloner,W.G. Spores and Land-Plant evolution. |
1967 |
| details |
Nd |
|
Nd |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
| original |
Early Devonian |
|
Canada(Gaspe Area) |
Scott,D.L. et al. Perforosporites, a new genus of plant spores from the Lower Devonian of eastern Canada. |
1961 |
| details |
Visean |
|
Australia(W.Australia) |
Playford,G. et al. Lower Carboniferous (Visean) spores of the Bonaparte Gulf Basin, Northwestern Australia. Part I. |
1985 |