| original |
Early Tremadocian |
|
China(Kirin) |
Yin,L.-M. Acritarchs. (In: Aspects of Cambrian-Ordovician boundary in Dayangcha, China. J.-Y.Chen, editor) |
1986 |
| details |
Late Llandoverian |
|
China(Zhejiang) |
Yin,L. et al. Palynomorphs from the transitional sequences between Ordovician and Silurian of northwestern Zhejiang, South China. |
2000 |
| details |
Early Cambrian |
|
Baltic |
Yankauskas,T.V. Revision of the age of the "Cambro-Ordoviciennes" formations of the Baltic Region by micropaleontological analysis. (Acritarchs and chitinozoes) |
1976 |
| details |
Late Llandoverian |
|
Lithuania |
Yankauskas,T.V. et al. Upper Llandoverian and Lower Wenlockian acritarch assemblages from the Ledai-179 boring in Lithuania. |
2004 |
| details |
Senecan |
Chautauquan |
New York |
Wood,G.D. Palynology and paleobotany of the Jave and Lowermost Canadaway Formations, Upper Devonian, (Senecan/Chautauquan ), New York State. |
1978 |
| details |
Middle Llandoverian |
|
Paraguay |
Wood,G.D. et al. Distinctive Silurian chitinozoans from the Itacurubi Group (Bargas Pena Shale), Chaco Basin, Paraguay. |
1991 |
| details |
Late Emsian |
Early Eifelian |
Bolivia |
Wood,G.D. The Gondwanan acritarch Bimerga bensonii, gen.et sp.nov.: Paleogeographic and biostratigraphic importance in the Devonian Malvinokaffric Realm |
1995 |
| details |
Givetian |
Frasnian |
Bolivia |
Wood,G.D. The acritarch Proteolobus wallii, gen.et sp.nov., from the Devonian Iquiri Formation of Bolivia: A possible coenobial alga. |
1997 |
| details |
Early Gedinnian |
|
New York |
Wicander,E.R. et al. Microorganisms from the Kalkberg Limestone, (Lower Devonian), of New York State. |
1974 |
| details |
Telychian |
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 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 Tremadocian |
|
Norway |
Welsch,M. The acritarchs of the Upper Digermul Group, Middle Cambrian to Tremadoc, Eastern Finnmark, Northern Norway. |
1986 |
| original |
Middle Cambrian |
Late Cambrian |
Norway |
Welsch,M. The acritarchs of the Upper Digermul Group, Middle Cambrian to Tremadoc, Eastern Finnmark, Northern Norway. |
1986 |
| details |
Early Tremadocian |
|
Norway |
Welsch,M. Palynological investigation (acritarchs) in Cambrian and Tremadocian sediments of Eastern Finnmark (Norway). |
1986 |
| details |
Early Tremadocian |
|
Norway |
Welsch,M. Palynological investigation (acritarchs) in Cambrian and Tremadocian sediments of Eastern Finnmark (Norway). |
1986 |
| details |
Early Cambrian |
|
Poland |
Wazynska,H. Preliminary microfloristic examinations of the Sinian and Cambrian deposits from the Bialowieza area |
1967 |