| original |
Visean |
|
Australia(Queensland) |
Playford,G. Lower Carboniferous spores from the Ducabrook Formation, Drummond Basin, Queensland. |
1978 |
| details |
Visean |
|
Australia |
Playford,G. Palynology of the Australian Lower Carboniferous-a review |
1985 |
| details |
Visean |
|
Australia(Queensland) |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| details |
Tournaisian |
|
South Africa |
Streel,M. et al. The Devonian-Carboniferous boundary in South Africa and the age of the earliest episode of the Dwyka glaciation: New palynological result. |
1999 |