| details |
Westphalian B |
|
England(Leicestershire) |
Scott,A.C. et al. Megaspores and Coal Facies: An example from the Westphalian B, Leicestershire. |
1980 |
| details |
Westphalian B |
|
England(Yorkshire) |
Bartram,K.M. Studies on the ecology of British Carboniferous coal swamps. |
1983 |
| details |
Westphalian B |
Westphalian D |
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 B |
Westphalian D |
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 D |
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 D |
Kentucky |
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 |
Kentucky |
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) |
Grebe,H. The spore flora of the Seams Agir, Erda and Hagen 2 (Zb), from the Drillings Prosper 4 and 5. |
1966 |
| details |
Tournaisian |
|
Nd |
Pettitt,J.M. Heterospory and the Rise of the seed Habit. |
1969 |
| details |
Stephanian 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 |
Stephanian A |
Stephanian B |
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 |
Stephanian A |
Stephanian B |
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 |
Stephanian A |
|
France(Lorraine) |
Lachkar,G. et al. Distribution of megaspores in the Westphalian D and Lower Stephanian of the Coal Basin of Lorraine |
1965 |
| details |
Stephanian |
|
France |
Pi©rart,P. Megaspores of the French Stephanian |
1965 |
| details |
Recent |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Permian |
|
China |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Pennsylvanian |
|
Pennsylvania |
Ferm,J.C. Megaspores of the Middle (?) Kittanning Coal in Beaver County, Pennsylvania. |
1950 |