| details |
Early Devonian |
|
Saudi Arabia |
Bahafzallah,A. et al. Stratigraphy and facies of the Devonian Jauf Formation, Saudi Arabia. |
1981 |
| details |
Early Devonian |
Middle Devonian |
China(Kansu) |
Ye,X. On the occurrence of spore assemblages from the Shujiaba Region of Tianshui County, Gansu and their stratigraphical significance |
1986 |
| details |
Early Devonian |
Middle Devonian |
China(Kansu) |
Ye,X. On the occurrence of spore assemblages from the Shujiaba Region of Tianshui County, Gansu and their stratigraphical significance |
1986 |
| details |
Devonian |
|
Iowa |
Urban,J.B. A study of the morphology of the spore genus Ancyrospora Richardson |
1969 |
| details |
Devonian |
|
Missouri |
Urban,J.B. A study of the morphology of the spore genus Ancyrospora Richardson |
1969 |
| details |
Couvinian |
Famennian |
Belgium |
Streel,M. Study of Devonian Palymorphs from Drilling of Booischot, (Belgium). |
1964 |
| details |
Couvinian |
Givetian |
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 |
Couvinian |
Givetian |
Belgium |
Streel,M. Palaeobotanic information on the Lower-Middle Devonian boundary in the Ardenno-Rhenean Geosyncline. |
1965 |