| original |
Early Mississippian |
|
Ohio |
Winslow,M.R. Plant spores and other microfossils from Upper Devonian and Lower Mississippian rocks of Ohio |
1962 |
| details |
Late Namurian |
|
Romania |
Potonie,R. Synopsis of the genera of the sporae dispersae.Part 7 |
1975 |
| details |
Late Devonian |
|
Ohio |
Potonie,R. Synopsis of the genera of the sporae dispersae.Part 7 |
1975 |
| details |
Frasnian |
|
China(Szechwan) |
Lu,L. Upper Devonian (Frasnian) sporo-pollen assemblage from the Damaidi area of Dukou, Sichuan Province. |
1981 |
| details |
Tournaisian |
|
Ohio |
Molyneux,S.G. et al. Preliminary accounts of Late Devonian palynomorph assemblages from the Bedford Shale and Berea Sandstone Formations of Central Ohio, USA. |
1984 |