| details |
Downtonian |
|
Libya |
Richardson,J.B. et al. Acritarchs, miospores and correlation of the Ludlovian - Downtonian and Silurian - Devonian boundaries. |
1981 |
| details |
Late Gorstian |
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(Herefordshire) |
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 |
Ludlovian |
|
W.Germany(Bavaria) |
Pflug,H.D. et al. Palynology in metamorphic Rocks-Indication of Early land plants |
1987 |
| details |
Ludlovian |
|
W.Germany(Bavaria) |
Reitz,E. Silurian spores from a garnet-bearing Mica Schist of Spessart Crystalline Complex, northwest Bavaria. |
1987 |
| details |
Pridolian |
|
England(Shropshire) |
White,D.E. et al. The Pridoli Series in the Welsh Borderland and South-Central Wales. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Ludlovian |
Gedinnian |
Czechoslovakia |
Ivanicka,J. et al. Results of biostratigraphical study in part of Gelnica Group. |
1989 |
| details |
Ludlovian |
Gedinnian |
Czechoslovakia |
Ivanicka,J. et al. Results of biostratigraphical study in part of Gelnica Group. |
1989 |
| details |
Early Downtonian |
|
Wales(Montgomeryshire) |
Fanning,U. et al. A review of in situ, spores in Silurian land plants. (In: Pollen and Spores, Patterns of Diversification. S.Blackmore and S.H.Barnes, editors) |
1991 |
| details |
Early Downtonian |
|
England(Herefordshire) |
Fanning,U. et al. A review of in situ, spores in Silurian land plants. (In: Pollen and Spores, Patterns of Diversification. S.Blackmore and S.H.Barnes, editors) |
1991 |
| 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 |
Late Silurian |
|
W.Germany(Bavaria) |
Pflug,H.D. et al. Palynostratigraphy in Phanerozoic and Precambrian metamorphic rocks. (In: Proceedings of the 9th Alfred Wegener Conference-IGCP Project 157, M.Schidlowski, editor) |
1992 |
| details |
Pridolian |
|
England(Shropshire) |
Edwards,D. et al. Coprolites as evidence for plant-animal interaction in Siluro-Devonian terrestrial ecosystem. |
1995 |
| details |
Early Pridolian |
|
Wales(Glamorgan) |
Burgess,N.D. et al. Late Wenlock to Early Pridoli cryptospores and miospores from south and southwestern Wales, Great Britain. |
1995 |
| details |
Early Downtonian |
|
England(Herefordshire) |
Richardson,J.B. Paleozoic spores and pollen: Lower and Middle Palaeozoic record of terrestrial palynomorphs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Early Downtonian |
|
England(Worcestershire) |
Richardson,J.B. Paleozoic spores and pollen: Lower and Middle Palaeozoic record of terrestrial palynomorphs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |