details |
Middle Siegenian |
Late Siegenian |
W.Germany(Rhineland) |
Volkmer,U. Spore stratigraphy of the Lower Devonian, (Siegenian - Emsian) within the Southern Bergisches Land (Rhenish Massif). |
1985 |
details |
Late Emsian |
Early Eifelian |
Canada(Gaspe Area) |
McGregor,D.C. et al. Intra-Devonian series boundaries in Canada |
1985 |
details |
Early Frasnian |
|
Canada(Gaspe Area) |
McGregor,D.C. et al. Intra-Devonian series boundaries in Canada |
1985 |
details |
Emsian |
Eifelian |
USSR(Russian Platform) |
Arkhangelskaya,A.D. Discussion on the Boarder Deposits of the Yarsov Region and its correlation with the Middle Devonia of the Russian Platform. (In: Middle Devonian of the USSR; Its Boundaries and Stage Subdivision. M.A. Kamaletdinova and M.A.Kzhonskitskaya, editors) |
1985 |
details |
Eifelian |
Early Frasnian |
Northern Hemisphere |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
details |
Nd |
|
Scotland(Ross/Cromarty) |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
details |
Early Devonian |
Middle Devonian |
China(Kansu) |
Ye,X. On the occurrence of spore assemblages from the Shujiaba Region of Tianshui County, Gansu and their stratigraphical significance |
1986 |
details |
Early Devonian |
Middle Devonian |
China(Kansu) |
Ye,X. On the occurrence of spore assemblages from the Shujiaba Region of Tianshui County, Gansu and their stratigraphical significance |
1986 |
details |
Late Siegenian |
Early Emsian |
W.Germany(Rhineland) |
Volkmer,U. Micropalaeontology (palynology) and biostratigraphy of the Odenspielian strata (Siegenian / Emsian boundary zone) at the type locality at Odenspiel (Oberbergischesland) at the original locality of the Siegenian stage (Lower Devonian). |
1986 |
details |
Late Siegenian |
Early Emsian |
W.Germany(Rhineland) |
Volkmer,U. Micropalaeontology (palynology) and biostratigraphy of the Odenspielian strata (Siegenian / Emsian boundary zone) at the type locality at Odenspiel (Oberbergischesland) at the original locality of the Siegenian stage (Lower Devonian). |
1986 |
details |
Late Eifelian |
|
Poland |
Turnau,E. et al. Size distribution in some Middle Devonian dispersed spores and its bearing on the problem of the evolution of Heterospory |
1987 |
details |
Middle Givetian |
|
Europe |
Streel,M. et al. Spore stratigraphy and correlation with faunas and floras in the type marine Devonian of the Ardenne-Rhenish Regions |
1987 |
details |
Emsian |
Eifelian |
Georgia |
Ravn,R.L. et al. Devonian miospores and reworked acritarchs from southeastern Georgia, USA. |
1988 |
details |
Late Eifelian |
|
Scotland(Shetland) |
Marshall,J.E.A. Devonian miospores from Papa Stour, Shetland. |
1988 |
details |
Givetian |
|
China(Kwangsi) |
Gao,L. Archaeoperisaccus in China; its stratigraphic and palaeogeographic significance |
1988 |
details |
Late Siegenian |
|
W.Germany(N.Rhine) |
Volkmer,U. Palynology of the Odenspiel Beds at the Siegenian type Region (Bergisches Land/ Siegerland) of the Lower Devonian |
1988 |
details |
Late Devonian |
|
Arabian Pen.States |
Al-Laboun,A.A. et al. The Devonian of the Arabian Peninsula. (In: Devonian of the World: Regional Synthesis. N.J.McMillian et al, editors) |
1988 |