| original |
Visean |
|
Wales(Caernarvonshire) |
Hibbert,F.A. et al. Miospores from the Lower Carboniferous Basement Beds in the Menai Straits of Caenarvonshire, North Wales. |
1969 |
| details |
Mississippian |
|
Tennessee |
Horowitz,A. et al. Carboniferous paleontological zonation and intercontinental correlation of the Fowler No.1 Traders core, Scott County, Enneeess, USA. |
1979 |
| details |
Asbian |
|
England(Northumberland) |
Gueinn,K.J. Miospore assemblages. (In: Geology of the Country around Bellingham: Memoir for 1 to 50,000 Geological Sheet 13: D.V.Frost and D.W.Holliday, editors) |
1980 |