details |
Early Givetian |
|
Scotland(Ross/Cromarty) |
Richardson,J.B. Spores from the Middle Old Red Sandstone of Cromarty, Scotland. |
1960 |
details |
Middle Devonian |
|
Germany |
Richardson,J.B. Spores from the Middle Old Red Sandstone of Cromarty, Scotland. |
1960 |
details |
Frasnian |
|
Canada |
Richardson,J.B. Report of Subgroup 13B on Devonian and Lower Carboniferous. |
1962 |
details |
Frasnian |
|
Africa |
Richardson,J.B. Report of Subgroup 13B on Devonian and Lower Carboniferous. |
1962 |
details |
Eifelian |
Givetian |
Scotland |
Richardson,J.B. Report of Subgroup 13B on Devonian and Lower Carboniferous. |
1962 |
details |
Middle Devonian |
Late Devonian |
Illinois |
Guennel,G.K. Devonian spores in a Middle Silurian Reef. |
1963 |
details |
Couvinian |
Givetian |
Belgium |
Streel,M. Study of Devonian Palymorphs from Drilling of Booischot, (Belgium). |
1964 |
details |
Early Givetian |
|
Belgium |
Streel,M. An association of spores from the Lower Givetian of the Vesdre at Goe, Belgium. |
1964 |
details |
Givetian |
|
Belgium |
PiĀ©rart,P. Megaspores and miospores disclosed in the Givetian of Roncquieres, (Brabant, Belgium). |
1964 |
original |
Late Eifelian |
Givetian |
Scotland(Orkney) |
Richardson,J.B. Middle Old Red Sandstone spore assemblages from the Orcadian Basin, northeast Scotland. |
1965 |
details |
Couvinian |
Givetian |
Belgium |
Streel,M. Palaeobotanic information on the Lower-Middle Devonian boundary in the Ardenno-Rhenean Geosyncline. |
1965 |
details |
Emsian |
Eifelian |
Canada(Gaspe Area) |
McGregor,D.C. et al. Devonian spores of eastern and northern Canada. |
1966 |
details |
Givetian |
|
Canada(NWT,Franklin) |
McGregor,D.C. et al. Devonian spores of eastern and northern Canada. |
1966 |
details |
Devonian |
|
USSR(European) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
details |
Devonian |
|
Illinois |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
details |
Frasnian |
|
New York |
Bonamo,P.M. et al. Tetraxylopteris, Schmidtii. Its fertile Parts and its relationships within the Aneurophytales. |
1967 |
details |
Givetian |
|
Iowa |
Sanders,R.B. Devonian spores of the Cedar Valley Coal of Iowa, USA. |
1967 |