| details |
Couvinian |
Givetian |
Belgium |
Streel,M. Study of Devonian Palymorphs from Drilling of Booischot, (Belgium). |
1964 |
| original |
Early Givetian |
|
Belgium |
Streel,M. An association of spores from the Lower Givetian of the Vesdre at Goe, Belgium. |
1964 |
| details |
Couvinian |
Givetian |
Belgium |
Streel,M. Palaeobotanic information on the Lower-Middle Devonian boundary in the Ardenno-Rhenean Geosyncline. |
1965 |
| details |
Siegenian |
Late Devonian |
Belgium |
Streel,M. Lower Devonian spores from Belgium and their stratigraphic significance |
1967 |
| details |
Givetian |
|
Canada(NWT,Mackenzie) |
Audretsch,A.P. A Middle Devonian microflora from the Great Slave Lake area, Northwest Territories, Canada. |
1967 |
| details |
Emsian |
Givetian |
W.Germany(Rhineland) |
Tiwari,R.S. et al. Palynological studies in the Lower and Middle Devonian of the Prum Syncline, Eifel (Germany). |
1975 |
| details |
Eifelian |
|
USSR(Lithuanian SSR) |
Vaitekunene,G.K. On Devonian Spore Complexes of the Kyarnavskoi Suite of Southern Prebaltic. (In: Palynologic researches in geologic studies of the Baltic Region and the Baltic Sea) |
1983 |
| details |
Eifelian |
|
USSR(Lithuanian SSR) |
Vaitekunene,G.K. On Devonian Spore Complexes of the Kyarnavskoi Suite of Southern Prebaltic. (In: Palynologic researches in geologic studies of the Baltic Region and the Baltic Sea) |
1983 |