| details |
Late Gedinnian |
Early Siegenian |
Ohio |
Wood,G.D. Spores from the Lower Devonian Holland Quarry Shale, Northwestern Ohio, USA. |
1987 |
| details |
Givetian |
|
Iowa |
Wicander,R. et al. Acritarchs, spores and chitinozoans from the Middle Devonian, (Givetian), Rapid Member of the Cedar Valley Formation, Iowa, U.S. |
1984 |
| details |
Eifelian |
Givetian |
Poland |
Turnau,E. Large spores from Eifelian and Givetian rocks from northern Poland. |
1980 |
| details |
Emsian |
Givetian |
|
Sundaram,D. et al. Palynological observations on Devonian sediments from Parana Basin, Brazil. |
1981 |
| details |
Frasnian |
|
Nd |
Streel,M. et al. Paleozoic spores and pollen; Middle and Upper Devonian miospore. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Gedinnian |
Emsian |
Czechoslovakia |
SnopkovŠ,P. The influence of epimetamorphosis on the preservation of palynomorphs in the Drnava Formation of the Gelnica Group in the Spissko-Gemerke Ore Mountains |
1984 |
| details |
Late Eifelian |
Early Givetian |
Nd |
Richardson,J.B. Stratigraphical distribution of some Devonian-Lower Carboniferous spores. |
1965 |
| original |
Middle Devonian |
|
Germany |
Richardson,J.B. Spores from the Middle Old Red Sandstone of Cromarty, Scotland. |
1960 |
| details |
Siegenian |
Frasnian |
Wales |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Siegenian |
Frasnian |
Scotland |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Siegenian |
Frasnian |
New York |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Siegenian |
Frasnian |
Pennsylvania |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Late Eifelian |
Middle Givetian |
United Kingdom |
Richardson,J.B. Stratigraphical distribution of some Devonian and Lower Carboniferous spores, (Report of Working Group No 13 B CIMP) |
1964 |
| details |
Early Frasnian |
|
Canada |
Richardson,J.B. Stratigraphical distribution of some Devonian and Lower Carboniferous spores, (Report of Working Group No 13 B CIMP) |
1964 |
| details |
Early Frasnian |
|
Africa |
Richardson,J.B. Stratigraphical distribution of some Devonian and Lower Carboniferous spores, (Report of Working Group No 13 B CIMP) |
1964 |
| details |
Middle Eifelian |
Givetian |
USSR |
Richardson,J.B. Stratigraphical distribution of some Devonian and Lower Carboniferous spores, (Report of Working Group No 13 B CIMP) |
1964 |
| details |
Early Givetian |
|
Belgium |
Richardson,J.B. Stratigraphical distribution of some Devonian and Lower Carboniferous spores, (Report of Working Group No 13 B CIMP) |
1964 |