| details |
Westphalian B |
Westphalian C |
West Virginia |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |
| details |
Westphalian B |
Westphalian C |
W.Germany(N.Rhine) |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |
| details |
Westphalian B |
Westphalian C |
W.Germany(Saarland) |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |
| details |
Westphalian C |
|
W.Germany(Saarland) |
Bharadwaj,D.C. The spore genera from the Upper Carboniferous Cos of the Saar and their value in stratigraphical studies. |
1956 |
| details |
Recent |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Carboniferous |
Permian |
Africa |
Pi©rart,P. Stratigraphic and geographic distribution of Paleozoic megaspores. |
1962 |
| details |
Carboniferous |
Permian |
South America |
Pi©rart,P. Stratigraphic and geographic distribution of Paleozoic megaspores. |
1962 |
| details |
Early Westphalian |
|
England |
Phillips,T.L. Reproduction of Heterosporous Arborescent Lycopods in the Mississippian-Pennsylvanian of Euramerica. |
1979 |