| original |
Early Mississippian |
|
Ohio |
Winslow,M.R. Plant spores and other microfossils from Upper Devonian and Lower Mississippian rocks of Ohio |
1962 |
| details |
Late Emsian |
|
Germany(Rhineland) |
Lanninger,E.P. Spore assemblages from the Ems of the SW Eifel, (Rheinisches Schiefergebirge) |
1968 |
| details |
Middle Devonian |
Late Devonian |
Illinois |
Sandberg,C.A. et al. Comparison between conodont zonations and spore assemblages at the Devonian-Carboniferous boundary in the Western and Central United States and in Europe |
1972 |
| details |
Tournaisian |
|
W.Germany(Hesse) |
Somers,Y. et al. Upper Devonian spores at Langenaubach (Dill Syncline, RFA). Relations between spore conservation, reflective poer of Vitrinite and Diabase IItrusions. |
1978 |
| details |
Devonian |
|
Pennsylvania |
Streel,M. et al. Spores from the Devonian/Mississippian transition near the Horseshoe Curve section, Altoona, Pennsylvania, USA. |
1978 |