original |
Westphalian |
|
China(Ningsia Hui) |
Yang,J. et al. The megaspores from the Yanghugou Formation in the Western Ordos Basin and its stratigraphical significance |
1987 |
details |
Pennsylvanian |
|
Alaska |
Witmer,R.J. et al. Biostratigraphic correlation of selected test wells of National Petroleum Reserve in Alaska |
1981 |
details |
Late Pennsylvanian |
|
Illinois |
Willard,D.A. et al. Paleobotany and palynology of the Bristol Hill Coal Member (Bond Formation) and Friendsville Coal Member (Mattoon Formation) of the Illinois Basin (Upper Pennsylvanian) |
1994 |
details |
Early Virgilian |
|
New Mexico |
Willard,D.A. Early Virgilian palynofloras from the Kinney Quarry, Manzanita Mountains, New Mexico. (In: Geology and paleontology of the Kinney Brick Quarry, Late Pennsylvanian, Central New Mexico) |
1992 |
details |
Desmoinesian |
|
Indiana |
Willard,D.A. et al. Paleoecology of the Springfield Coal Member (Desmoinesian, Illinois Basin) near the Leslie Cemetery Paleochannel, southwestern Indiana. |
1995 |
details |
Late Carboniferous |
Early Permian |
USSR |
Wagner,R.H. Consideration of the Carboniferous-Permian boundary |
1980 |
details |
Autunian |
|
W.Germany(Saarland) |
Visscher,H. et al. Palynological assemblages from "Saxonian" deposits of the Saar-Nahe Basin (Germany) and the Dome De Barrot (France). An approach to chronostratigraphy. |
1974 |
details |
Early Pennsylvanian |
|
Michigan |
Venkatachala,B.S. et al. Pollen and spores from the Pre-Verne Cyclical Formation of the Saginaw Group, Grande Ledge, Michigan, USA. |
1971 |
details |
Gzelian |
|
W.Germany(Bavaria) |
Veld,H. et al. Aspects of Permian palaeobotany and palynology XIII. On the Stephanian age of a Rotliegend deposit near Weiden, Oberpfalz, Germany. |
1992 |
details |
Early Tournaisian |
|
Pennsylvania |
Traverse,A. Plant microfossils help date rocks of questionable age. |
1974 |
details |
Early Mississippian |
|
Pennsylvania |
Traverse,A. Plant microfossils help date rocks of questionable age. |
1974 |
original |
Late Visean |
Early Permian |
USSR(Ukrainian SSR) |
Teteryuk,V.K. et al. Spores and pollen of the Donets Basin Carboniferous and Lower Permian. (In: General Problems of the Carboniferous Stratigraphy) |
1978 |
details |
Middle Carboniferous |
|
USSR(Ukrainian SSR) |
Teteryuk,V.K. Spore and pollen analysis in biostratigraphy. (In: Palynological studies of sedimentary deposits in the Ukraine and Surrounding Regions. V.V. Permyakov and I.A.Frolova, editors) |
1976 |
details |
Nd |
|
Nd |
Taylor,T.N. Toward an understanding of the reproductive biology of fossil plants. |
1977 |
details |
Nd |
|
Nd |
Taylor,T.N. Toward an understanding of the reproductive biology of fossil plants. |
1977 |
details |
Nd |
|
Nd |
Taylor,T.N. Toward an understanding of the reproductive biology of fossil plants. |
1977 |
original |
Pennsylvanian |
|
Nd |
Taylor,T.N. Fossil ubisch bodies. |
1976 |