original |
Llandoverian |
|
Pennsylvania |
Strother,P.K. et al. Plant microfossils from Llanderovian and Wenlockian rocks of Pennsylvania. |
1979 |
details |
Llandoverian |
|
Pennsylvania |
Strother,P.K. et al. Morphology and phylogeny of Silurian spore tetrads. |
1983 |
details |
Llandoverian |
|
Brazil(Mato Grosso) |
Gray,J. et al. Silurian age fossils from the Paleozoic Parana Basin, Southern Brazil |
1985 |
details |
Llandoverian |
|
|
Gray,J. et al. Silurian age fossils from the Paleozoic Parana Basin, Southern Brazil |
1985 |
details |
Ashgillian |
|
Illinois |
Strother,P.K. An artifical classification of spore-like microfossils (Cryptospores) of Lower Paleozoic Age |
1989 |
details |
Early Gothlandian |
Pennsylvanian |
Wales(Dyfed) |
Burgess,N.D. Silurian Cryptospores and miospores from the type Llandovery area, southwest Wales. |
1991 |
details |
Early Wenlockian |
|
Scotland(Lothians) |
Wellman,C.H. et al. Terrestrial plant microfossils from Silurian Inliers of the Midland Valley of Scotland |
1993 |
details |
Early Gothlandian |
|
Pennsylvania |
Traverse,A. et al. On the Current nomenclatural status of Tetrahedaletes, (Fossiles). |
1994 |
details |
Early Gothlandian |
|
Pennsylvania |
Traverse,A. et al. On the Current nomenclatural status of Tetrahedaletes, (Fossiles). |
1994 |
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 |
Llanvirnian |
|
Saudi Arabia |
Strother,P.K. et al. New evidence for land plants from the Lower Middle Ordovician of Saudi Arabia |
1996 |
details |
Late Llandoverian |
|
China(Kweichow) |
Cai,C. et al. An Early Silurian vascular plant. |
1996 |
details |
Nd |
|
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 |