| details |
Ludlovian |
Downtonian |
Spain |
Rodriguez,R.M. Miospores of the San Pedro/Furada Formation, Upper Silurian to Lower Devonian, Cantabrian Mountains, Northwest Spain. |
1978 |
| original |
Late Silurian |
Early Devonian |
Spain |
Rodriguez,R.M. Miospores from the San Pedro Formation (Silurian-Devonian) at Corniero (Leon Province, Spain). |
1978 |
| details |
Siegenian |
|
Belgium |
Streel,M. et al. Stratigraphic studies of Lower Devonian spores from the Margin of the Dinant (Belgium) Synclinorium and their applications. |
1981 |
| details |
Ludlovian |
Gedinnian |
Spain |
Rodriguez Gonzalez,R.M. Palynology of the Upper Silurian-Lower Devonian Formations of the Cantabrica Cordillera, Northeast Spain. |
1983 |