| original |
Chesterian |
|
Kentucky |
Hoffmeister,W.S. et al. Mississippian plant spores from the Hardinsburg Formation of Illinois and Kentucky. |
1955 |
| original |
Chesterian |
|
Illinois |
Hoffmeister,W.S. et al. Mississippian plant spores from the Hardinsburg Formation of Illinois and Kentucky. |
1955 |
| details |
Visean |
|
Spitsbergen |
Birkenmajer,K. et al. Lower Carboniferous age of the so-called Wijde Bay series in Hornsund, Vestspitsbergen |
1962 |
| details |
Early Visean |
|
Spitsbergen |
Birkenmajer,K. Devonian, Carboniferous and Permian Formation of Hornsund, Vestspitsbergen. |
1964 |
| details |
Late Devonian |
|
Libya |
Annoscia,E. et al. Bryozoa, pollen, and Macrospores from the subsurface Uppermost Devonian rocks in eastern Cyrenaica (Libya). |
1969 |