| details |
Late Holkerian |
Brigantian |
British Isles |
Riley,N.J. Dinantian (Lower Carboniferous) biostratigraphy and chronostratigraphy in British Isles |
1993 |
| details |
Namurian |
|
British Isles |
Owens,B. et al. Miospore correlation of the Carboniferous deposits of Europe and China. |
1989 |
| details |
Late Chesterian |
Springerian |
Arkansas |
Sullivan,H.J. et al. The Mississippian-Pennsylvanian boundary and its correlation with Europe |
1971 |
| details |
Middle Visean |
|
Alaska |
Ravn,R.L. Miospores of the Kekiktuk Formation (Lower Carboniferous), Endicott Field Area, Alaska North Slope. |
1991 |