| details |
Ludlovian |
|
Indiana |
Wood,G.D. Silurian Trilete spores and plant fragments from northern Indiana and their paleobotanical implications. |
1978 |
| details |
Ludlovian |
|
Indiana |
Wood,G.D. et al. Silurian, (Ludlovian), Plant Megafossils and Trilete spores from northern Indiana and their bearing on Early land plant evolution |
1977 |
| details |
Ludlovian |
|
Indiana |
Wood,G.D. Acritarchs and Trilete spores from the Mississinewa Shale of northern Indiana. |
1975 |
| details |
Nd |
|
Nd |
Williams,D.M. et al. Implications of the new microfloral evidence from the Clew Bay complex for Silurian relationships in the Western Irish Caledonides. |
1996 |
| details |
Ashgillian |
Early Llandoverian |
Czechoslovakia |
VavrdovЎ,M. New acritarchs and miospores from the Late Ordovician of Hlasna Treban, Czechoslovakia. |
1989 |
| details |
Gedinnian |
Siegenian |
Belgium |
Steemans,P. Stratigraphical study of the spores in the Gedinnian - Siegenian Transition Beds at Nonceveux and Spa, (Belgium). |
1981 |
| details |
Gedinnian |
Siegenian |
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Nd |
|
Nd |
Steemans,P. et al. Ordovician and Silurian cryptospores and miospores from southeastern Turkey. |
1996 |
| details |
Ashgillian |
|
Belgium |
Steemans,P. Ordovician cryptospores from the Oostduinkerke Borehole, Brabant Massif, Belgium. |
2001 |
| details |
Late Siegenian |
|
W.Germany(Rhineland) |
Schweitzer,H.J. The Lower Devonian flora of the Rhineland: Part 1. |
1983 |
| details |
Early Lochkovian |
|
USSR(Russian Platform) |
Rzhonsnitskaya,M.A. Biostratigraphic scheme of the Devonian of the Russian Platform. (In: Devonian of the World: Paleontology, Paleoecology and Biostratigraphy. N.J.McMillan et al, editors) |
1988 |
| details |
Late Ludlovian |
Early Pridolian |
Libya |
Rubinstein,C.V. et al. Miospore assemblages from the Silurian - Devonian boundary, in Borehole A1-61, Ghadamis Basin, Libya. |
2002 |
| details |
Ludlovian |
Dittonian |
Spain |
Rodriguez,R.M. Miospores of the San Pedro/Furada Formation, Upper Silurian to Lower Devonian, Cantabrian Mountains, Northwest Spain. |
1978 |
| details |
Nd |
|
Nd |
Richardson,J.B. et al. Acritarchs, miospores and correlation of the Ludlovian - Downtonian and Silurian - Devonian boundaries. |
1981 |
| details |
Homerian |
Early Downtonian |
Northern Hemisphere |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
| details |
Late Homerian |
Early Downtonian |
Northern Hemisphere |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
| details |
Nd |
|
Libya |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |