| original |
Tournaisian |
Namurian |
Spitsbergen |
Bharadwaj,D.C. et al. Spore assemblage out of a Lower Carboniferous shale from Spitzbergen. |
1961 |
| details |
Tournaisian |
|
England |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Nd |
|
Spitsbergen |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Visean |
|
Arctic Ocean |
Kaiser,H. The Upper Devonian flora of Bear Island. 3. Microflora of the Uppermost Upper Devonian and Lower Carboniferous. |
1970 |
| details |
Late Famennian |
|
Canada(Nova Scotia) |
Martel,A.T. et al. Stratigraphic significance of Upper Devonian and Lower Carboniferous miospores from the type area of the Horton Group, Nova Scotia. |
1993 |