| details |
|
|
Ohio |
Winslow,M.R. Plant spores and other microfossils from Upper Devonian and Lower Mississippian rocks of Ohio |
1962 |
| details |
Famennian |
|
Belgium |
Streel,M. Study of Devonian Palymorphs from Drilling of Booischot, (Belgium). |
1964 |
| details |
Couvinian |
Givetian |
Belgium |
Streel,M. Palaeobotanic information on the Lower-Middle Devonian boundary in the Ardenno-Rhenean Geosyncline. |
1965 |
| details |
Early Mississippian |
|
Ohio |
Owens,B. Recognition of the Devonian-Carboniferous boundary by palynological methods. |
1966 |
| details |
Late Devonian |
Early Mississippian |
Ohio |
Owens,B. et al. Hymenozonotriletes lepidophytus Kedo, its distribution and significance in relation to the Devonian-Carboniferous boundary. |
1967 |
| details |
Middle Devonian |
|
Belgium |
Streel,M. Paleobotanic information on the boundary of the Lower Devonian and Middle Devonian in the Ardenno-Rhenan Geosyncline. |
1967 |
| details |
Early Tournaisian |
|
Belgium |
KalibovЎ-KaiserovЎ,M. New concepts in Carboniferous palynology |
1971 |