| original |
Late Devonian |
Early Mississippian |
Ohio |
Winslow,M.R. Plant spores and other microfossils from Upper Devonian and Lower Mississippian rocks of Ohio |
1962 |
| details |
Late Devonian |
|
Ohio |
Owens,B. Recognition of the Devonian-Carboniferous boundary by palynological methods. |
1966 |
| details |
Early Mississippian |
|
Ohio |
Owens,B. Recognition of the Devonian-Carboniferous boundary by palynological methods. |
1966 |
| details |
Late Devonian |
|
Ohio |
Owens,B. Recognition of the Devonian-Carboniferous boundary by palynological methods. (In: Colloqium on the Stratigraphy of the Carboniferous, Compte Rendus, 8th Reunion CIMP. M.Streel and R.H.Wagner, editors) |
1970 |