| details |
Middle Siegenian |
Late Siegenian |
Wales(Powys) |
Edwards,D. et al. Locality B9, Hoel Senni Quarry, Powys. (In: A Field Guide to Selected Outcrop Area of the Devonian of Scotland, the Welsh Borderland and South Wales. P.F.Friend and B.P.L.Williams, editors) |
1978 |
| details |
Wenlockian |
|
Wales |
Boureau,E. et al. Are there vascular plants in the Silurian. |
1973 |
| details |
Pridolian |
|
Wales |
Edwards,D. et al. In situ, pollen and spores in plant evolution. 14A -Review of in situ, spores in early land plants. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Silurian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. Some information on Phanerozoic pollen and spores with an Equatorial Otorochkoi. (In: Palynology and Paleogeography) |
1983 |
| details |
Devonian |
|
Texas |
Jenkins,W.A.M. Palynology and Silurian-Lower Devonian (Hunton) stratigraphy in the subsurface of Oklahoma and the Texas Panhandle |
1971 |
| details |
Early Gothlandian |
|
Tennessee |
Wood,G.D. Biostratigraphic and paleoecologic significance of acritarchs from the Waldron Formation, (Lower Silurian), midcontinent, United States |
1984 |
| 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 |
Ludlovian |
|
Saudi Arabia |
Al-Hajri,S. et al. Age and palaeoenvironment of the Sharawra Member (Silurian of North-Western Saudi Arabia) |
1998 |
| details |
Gedinnian |
Coblenzian |
Romania |
Raileanu,G. et al. Study of the Devonian in the Drilling at Mangalia. |
1964 |
| details |
Gedinnian |
|
Romania |
Beju,D. Zoning and correlation of the Paleozoic of the Moesian Platform on the basis of palynoprotistological assemblages.1. |
1972 |
| details |
Middle Gothlandian |
|
Pennsylvania |
Strother,P.K. et al. Plant remains in Silurian rocks of Pennsylvania. |
1977 |
| details |
Late Gedinnian |
Early Siegenian |
Ohio |
Wood,G.D. Spores from the Lower Devonian Holland Quarry Shale, Northwestern Ohio, USA. |
1987 |
| original |
Devonian |
|
Nd |
Gensel,P.G. Devonian in situ, spores: A survey and discussion. |
1980 |
| details |
Pridolian |
Gedinnian |
Nd |
Taylor,T.N. The origin of land plants |
1982 |
| details |
Early Paleozoic |
|
Nd |
Richardson,J.B. Lower Palaeozoic sporomorphs: Their stratigraphical distribution and possible affinites. (In: Evolution and Environment in the Late Silurian and Early Devonian. W.G.Chaloner and J.D. Lawson, editors) |
1985 |
| details |
Silurian |
|
Nd |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Silurian |
|
Nd |
Chaloner,W.G. Spores and Land-Plant evolution. |
1967 |