| details |
Llandoverian |
Early Wenlockian |
Iran |
Ghavidel-Syooki,M. Palynostratigraphy and Paleogeoraphy of Lower Paleozoic Strata at Kuh-e-Boghou, Southwest of Kashmar City, at Eastern Central Iran |
2003 |
| details |
Early Lochkovian |
|
Canada(Newfoundland) |
Burden,E.T. et al. Palynology and micropaleontology of the Clam Bank Formation (Lower Devonian) of Western Newfoundland, Canada. |
2002 |
| details |
Ashgillian |
Pridolian |
Canada(Nova Scotia) |
Beck,J.H. et al. Silurian spores and cryptospores from the Arisaig Group, Nova Scotia, Canada. |
2001 |
| details |
Rhuddanian |
Early Gorstian |
Saudi Arabia |
Wellman,C.H. et al. Spore assemblages from a Silurian sequence in borehole Hawiyah-151 from Saudi Arabia. |
2000 |
| details |
Middle Lochkovian |
|
Wales(Gwent) |
Wellman,C.H. et al. A new plant assmblage (microfossil and megafossil) from the Lower Old Red Sandstone of the Anglo-Welsh Basin: Its implications for the palaeoecology of early terrestrial ecosystems. |
2000 |
| details |
Late Ordovician |
Early Silurian |
Nd |
Taylor,W.A. Evolutionary hypothesis of Cryptospore producing plants based on wall ultrastructure. |
2001 |
| details |
Late Llandoverian |
Early Wenlockian |
S.Ireland(Kildare) |
Maziane-Serraj,N. et al. Ordovician and Silurian acritarch assemblages from the west Leinster and Slievenamon areas of southeast Ireland. |
2000 |
| details |
Ashgillian |
Llandoverian |
China(Zhejiang) |
Yin,L. et al. Palynomorphs from the transitional sequences between Ordovician and Silurian of northwestern Zhejiang, South China. |
2000 |
| details |
Llandoverian |
|
Nd |
Steemans,P. Spores and crytospores diversification from the Ordovician to the Lower Devonian. |
1998 |
| details |
Ashgillian |
|
Belgium |
Steemans,P. Ordovician cryptospores from the Oostduinkerke Borehole, Brabant Massif, Belgium. |
2001 |
| details |
Early Lochkovian |
|
Scotland(Fife) |
Lavender,K. et al. Lower Devonian spore assemblages from the Arbuthnott Group at Canterland Den in the Midland Valley of Scotland |
2002 |
| details |
Ludlovian |
Early Lochkovian |
Libya |
Rubinstein,C.V. et al. Miospore assemblages from the Silurian - Devonian boundary, in Borehole A1-61, Ghadamis Basin, Libya. |
2002 |
| details |
Late Ordovician |
Early Silurian |
England(Shropshire) |
Edwards,D. The role of Mid-Palaeozoic mesofossils in the detection of early bryophytes. |
2000 |
| details |
Ashgillian |
|
Ohio |
Taylor,W.A. Ultrastructure of Tetrahedraletes medinensis (Strother and Traverse) Wellmand and Richardson, from the Upper Ordovician of Southern Ohio |
1995 |
| details |
Llandoverian |
|
Pennsylvania |
Strother,P.K. A classification Schema for the Cryptospores |
1991 |
| details |
Late Ashgillian |
Early Llandoverian |
South Africa |
Gray,J. et al. Age of the Cedarberg Formation, South Africa and early land plant evolution. |
1986 |
| details |
Early Gothlandian |
|
Pennsylvania |
Johnson,N.G. et al. Plant microfossils from the Lower Silurian Tuscarora Formation of Mill Hall Pennsylvania |
1983 |