| original |
Early Ludlovian |
Middle Ludlovian |
Wales(Carmarthenshire) |
Richardson,J.B. et al. Upper Silurian and Lower Devonian spore assemblages from the Welsh Borderland and South Wales |
1969 |
| details |
Late Ludlovian |
Gedinnian |
Spain |
Cramer,F.H. et al. Robledo and Arroyacas Formation, (Arroyo de Las Arroyacas, Province of Palencia, Spain) palynologically dated as Late Silurian. |
1977 |
| details |
Ludlovian |
Gedinnian |
Libya |
Tekbali,A.O. et al. Silurian spores, acritarchs and chitinozoans from the Bani Walid Borehole of the Ghadamis Basin, Northwest Libya. (In: The Geology of Libya. M.J.Salem et al, editors) |
1991 |
| details |
Gedinnian |
Emsian |
Czechoslovakia(Slovensko) |
Ilavsky,J. et al. Lydites of Gelnica Groups in the surrounding area of Smolnik, (eastern part of Slovenske Rudohorieore Mountains, West Carpathians). |
1985 |
| details |
Early Eltonian |
Early Bringewoodian |
England |
Aldridge,R.J. et al. Microfossil distribution in the Silurian of Britian and Ireland. |
1979 |
| details |
Early Eltonian |
Early Bringewoodian |
Ireland |
Aldridge,R.J. et al. Microfossil distribution in the Silurian of Britian and Ireland. |
1979 |
| details |
Downtonian |
|
England |
Aldridge,R.J. et al. Microfossil distribution in the Silurian of Britian and Ireland. |
1979 |
| details |
Downtonian |
|
Ireland |
Aldridge,R.J. et al. Microfossil distribution in the Silurian of Britian and Ireland. |
1979 |
| details |
Gorstian |
|
Northern Hemisphere |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
| details |
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 |
|
England(Shropshire) |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
| details |
Nd |
|
England(Worcestershire) |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
| details |
Nd |
|
England(Herefordshire) |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
| details |
Gedinnian |
|
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Late Gedinnian |
|
Romania |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Late Gedinnian |
|
Belgium |
Steemans,P. et al. The Gedinnian micro and macro flora of La Gileppe, Vesdre Syncline, Belgium |
1984 |
| details |
Pridolian |
|
W.Germany(Bavaria) |
Pflug,H.D. et al. Palynology in metamorphic Rocks-Indication of Early land plants |
1987 |