| details |
Late Givetian |
|
Iowa |
Wicander,R. et al. The use of microphytoplankton and chitinozoans from interpretin transgressive/regressive cycles in the Rapid Member of the Ceda Valley Formation (Middle Devonian), Iowa. |
1997 |
| details |
Early Gedinnian |
|
New York |
Wicander,E.R. et al. Microorganisms from the Kalkberg Limestone, (Lower Devonian), of New York State. |
1974 |
| details |
Late Devonian |
|
Ohio |
Wicander,E.R. Upper Devonian-Lower Mississippian acritarchs and Prasinophycean algae from Ohio, USA. |
1974 |
| details |
Famennian |
Tournaisian |
Ohio |
Wicander,E.R. Fluctuations in a Late Devonian-Early Mississippian phytoplankton flora of Ohio, USA. |
1975 |
| 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 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 |
Precambriam |
|
USSR |
Weiss,A.F. Microfossils in the Precambrian stratigraphy of the USSR. |
1989 |
| details |
Late Riphean |
Vendian |
Antarctica |
Weber,B. Microfossils in Proterozoic sediments from the Southern Shackle range, Antarctica: A preliminary report |
1991 |
| details |
Late Wenlockian |
|
England(Shropshire) |
Washington-Evans,J. et al. The palynology of the Upper Wenlock Series (Silurian) of the Much Wenlock and Ludlow areas, Shropshire, England. |
1998 |
| details |
Hettangian |
|
N.Ireland(Antrim) |
Warrington,G. et al. Appendix 5: Palynology of the Trias and Lower Lias of the Larne Borehole. (In: The Stratigraphy of the Larne Borehole County Antrim. P.I.Manning et al, editors) |
1975 |
| details |
Cenomanian |
Turonian |
China(Anhwei) |
Wang,K. et al. Cretaceous-Tertiary palynological assemblages from Anhui |
1987 |
| details |
Nd |
|
China(E.China) |
Wang,K. et al. Palynological assemblages of crude oil from the oil fields in East China and the research of the oil source. |
1986 |
| details |
Early Cenomanian |
|
China(Inner Mongolia) |
Wan,C.-B. et al. Cretaceous nonmarine microphytoplankton from the Hongdi Depression in the Hailar Basin, northeast China. |
1997 |
| details |
Barremian |
Aptian |
China(Heilungkiang) |
Wan,C.-B. et al. Early Cretaceous dinoflagellates and other algae from Jixian, Heilongjiang. |
1995 |
| details |
Valanginian |
Early Albian |
Australia(Victoria) |
Wagstaff,B.E. et al. Palynological dating of Lower Cretaceous coastal vertebrate localities, Victoria, Australia. |
1989 |
| details |
Llanvirnian |
Llandeilian |
England(Cumberland) |
Wadge,A.J. et al. A probable Didymograptus murchisoni zone fauna from the Lake District. |
1969 |
| details |
Early Cambrian |
|
USSR(Russian Platform) |
Volkova,N.A. Acritarchs of the Northwestern Russian Platform. (In:Tommotsk age and problems of the Lower Cambrian) |
1969 |