| details |
Ludlovian |
|
Indiana |
Wood,G.D. Silurian Trilete spores and plant fragments from northern Indiana and their paleobotanical implications. |
1978 |
| details |
Ludlovian |
|
Indiana |
Wood,G.D. et al. Silurian, (Ludlovian), Plant Megafossils and Trilete spores from northern Indiana and their bearing on Early land plant evolution |
1977 |
| details |
Ludlovian |
|
Indiana |
Wood,G.D. Acritarchs and Trilete spores from the Mississinewa Shale of northern Indiana. |
1975 |
| details |
Telychian |
|
Canada(New Brunswick) |
Wilson,R.A. et al. Stratigraphy and tectono-sedimentary evolution of the Late Ordovician to Middle Devonian Gasp© Belt in northern New Brunswick: Evidence from the Restigouche area. |
2004 |
| details |
Chesterian |
|
Oklahoma |
Wiggins,V.D. Palynomorph fossils from the Goddard Formation (Mississippian) of Southern Oklahoma |
1962 |
| details |
Middle Wenlockian |
Late Wenlockian |
Scotland(Dumfries) |
White,D.E. et al. Biostratigraphy of Late Llandovery (Telychian) and Wenlock Turbiditic sequences in the southwest Southern Uplands, Scotland. |
1992 |
| details |
Early Pridolian |
Late Ludlovian |
England(Herefordshire) |
Wetherall,P.M. et al. Palynology, biostratigraphy, and depositional environments around the Ludlow-Pridoli boundary at Woodbury Quarry, Herefordshire, England. |
1999 |
| details |
Early Wenlockian |
|
Scotland(Lothians) |
Wellman,C.H. et al. Terrestrial plant microfossils from Silurian Inliers of the Midland Valley of Scotland |
1993 |
| details |
Late Wenlockian |
Early Ludlovian |
Scotland(Tayside) |
Wellman,C.H. A land plant microfossil assemblag of Middle Silurian age from the Stonehaven Group, Scotland. |
1993 |
| details |
Lochkovian |
|
Scotland(Strathclyde) |
Wellman,C.H. A Lower Devonian sporomorph assemblage from the Midland Valley of Scotland |
1993 |
| 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 |
Gedinnian |
|
Bolivia |
VavrdovЎ,M. et al. Affinites of Late Devonian acritarchs from the Madre de Dios Ba, northern Bolivia: Evidence for plate tectonics interaction between eastern Laurentia and Western Gondwana. (In: Commision Internationale de microflore du Paleozoique (CIMP) Acritarch Subcommision: O.Fatka and T.Servais, editors) |
1996 |
| details |
Early Devonian |
|
USSR(Lithuanian SSR) |
Vaitekunene,G.K. Spores. Lower Devonian of Lithunia. (In: Devon i Karbon Pribaltiki. V.S.Sorokin et al, editors) |
1981 |
| details |
Wenlockian |
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 |
Nd |
|
Nd |
Strother,P.K. A classification Schema for the Cryptospores |
1991 |
| details |
Gedinnian |
Siegenian |
Belgium |
Steemans,P. Stratigraphical study of the spores in the Gedinnian - Siegenian Transition Beds at Nonceveux and Spa, (Belgium). |
1981 |