| details |
Early Llandoverian |
|
New York |
Miller,M.A. et al. Palynomorphs from the Silurian Medina Group (Lower Llandovery), of the Naigara Gorge, Lewiston, New York, USA. |
1980 |
| details |
Early Llandoverian |
|
Canada(Ontario) |
Eley,B.E. et al. Palynomorphs from the Manitoulin Formation (Early Llandovery) of Southern Ontario |
1988 |
| details |
Early Llandoverian |
|
Wales(Carmarthenshire) |
Richardson,J.B. et al. Sporomorphs and plant megafossils. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Early Llandoverian |
Middle Llandoverian |
Saudi Arabia |
Stump,T.E. et al. The stratigraphy, depositional environments and periods of deformation of the Wajid outcrop Belt, southwestern Saudi Arabia |
1995 |
| details |
Early Gothlandian |
Rhuddanian |
Libya |
Hill,P.J. et al. Silurian palynomorphs. (In: Palynology of Northeast Libya. B.Thusu and B.Owens, editors) |
1985 |
| details |
Early Gothlandian |
|
Pennsylvania |
Johnson,N.G. et al. Plant microfossils from the Lower Silurian Tuscarora Formation of Mill Hall Pennsylvania |
1983 |
| details |
Early Gothlandian |
|
Pennsylvania |
Traverse,A. et al. On the Current nomenclatural status of Tetrahedaletes, (Fossiles). |
1994 |
| details |
Early Gothlandian |
Pennsylvanian |
Wales(Dyfed) |
Burgess,N.D. Silurian Cryptospores and miospores from the type Llandovery area, southwest Wales. |
1991 |
| details |
Early Gedinnian |
|
England |
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 |
Caradocian |
Llandoverian |
Australia(W.Australia) |
Foster,C.B. et al. Late Ordovician - Early Silurian age for the Mallowa Salt of the Carribuddy Group, Canning Basin, Western Australia, based on occurences of Tetrahedraletes medinensis Strother and Traverse. |
1991 |
| details |
Caradocian |
Early Pridolian |
Turkey |
Steemans,P. et al. Ordovician and Silurian cryptospores and miospores from southeastern Turkey. |
1996 |
| details |
Caradocian |
Early Pridolian |
Nd |
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 |
Ashgillian |
Early Llandoverian |
Czechoslovakia |
VavrdovЎ,M. New acritarchs and miospores from the Late Ordovician of Hlasna Treban, Czechoslovakia. |
1989 |
| details |
Ashgillian |
Rhuddanian |
Nd |
Richardson,J.B. et al. Sporomorphs and plant megafossils. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Ashgillian |
Early Silurian |
Saudi Arabia |
Steemans,P. Silurian and Lower Emsian spores in Saudi Arabia. (In: Palaeozoic Palynostratigraphy of the Kingdom of Saudi Arabia. B.Owens et al, editors) |
1995 |
| details |
Ashgillian |
Middle Llandoverian |
North America |
Gray,J. Land plant spores and Ordovician-Silurian boundary. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Ashgillian |
Late Llandoverian |
USA(Appalachian Bn.) |
Gray,J. Land plant spores and Ordovician-Silurian boundary. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |