| 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 |
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 |
Early Devonian |
|
China(Kweichow) |
Kao,L. et al. Early and Middle Devonian spore assemblages from Tushan and Duyun of Kweichow and their stratigraphical significane. |
1975 |
| original |
Early Givetian |
|
Scotland(Ross/Cromarty) |
Richardson,J.B. Spores from the Middle Old Red Sandstone of Cromarty, Scotland. |
1960 |
| details |
Early Givetian |
|
Canada(Arctic) |
McGregor,D.C. et al. Devonian spores and conodonts of Melville and Bathurst Island, District of Franklin. |
1972 |
| details |
Eifelian |
Frasnian |
Northern Hemisphere |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
| details |
Eifelian |
Givetian |
Scotland |
Richardson,J.B. Spores with bifurcate processes from the Middle Old Red Sandstone of Scotland. |
1962 |
| details |
Eifelian |
Early Givetian |
Scotland(Orkney) |
Richardson,J.B. Middle Old Red Sandstone spore assemblages from the Orcadian Basin, northeast Scotland. |
1965 |
| details |
Eifelian |
Givetian |
Scotland |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Eifelian |
Frasnian |
Canada |
Richardson,J.B. The stratigraphic utilization of some Silurian and Devonian miospore species in the Northern Hemisphere. |
1974 |
| details |
Eifelian |
|
USSR(European) |
Arkhangelskaya,A.D. Spore-based zonation of the lower part of the Middle Devonian in the central and eastern European part of the USSR. |
1974 |
| details |
Eifelian |
Givetian |
Scotland(Orkney) |
Marshall,J.E.A. Rhabdosporites langii, Geminospora lemurata and Contagisporites optivus: An origin for Heterospory within the Progymnosperms |
1996 |
| details |
Emsian |
|
Canada(Gaspe Area) |
Utting,J. Palynology. (In: Analytical Investigation of the Mineralogy, Geochemistry, Palynology and reflectome try of the "Gaspe Sandstone" Series of Central Gaspe Quebec. J.L.Pittion, editor) |
1975 |
| details |
Emsian |
Eifelian |
Canada(Gaspe Area) |
McGregor,D.C. et al. Devonian spores of eastern and northern Canada. |
1966 |
| original |
Emsian |
Early Eifelian |
Canada(Gaspe Area) |
McGregor,D.C. et al. Devonian spores of eastern and northern Canada. |
1966 |