| details |
Westphalian B |
|
Belgium |
Dijkstra,S.J. Correlation of Coal Seams by megaspores |
1955 |
| details |
Westphalian B |
|
Netherlands |
Dijkstra,S.J. Correlation of Coal Seams by megaspores |
1955 |
| details |
Westphalian B |
|
England(Yorkshire) |
Chaloner,W.G. Notes on the spores of two British Carboniferous Lycopods |
1954 |
| details |
Westphalian B |
|
Indiana |
Guennel,G.K. An interesting megaspore species found in Indiana Block Coal |
1954 |
| details |
Late Carboniferous |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Stephanian |
|
Poland |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Westphalian C |
|
W.Germany(N.Rhine) |
Kremp,G.O.W. et al. Several microfossils of the Upper Carboniferous and a method of obtaining polished sections of Such Often very Hard Objects |
1952 |
| details |
Late Pennsylvanian |
|
Pennsylvania |
Cross,A.T. The geology of the Pittsburgh Coal: Stratigraphy, petrology, origin and composition, and geologic interpretation of mining problems. |
1952 |
| details |
Late Pennsylvanian |
|
West Virginia |
Cross,A.T. The geology of the Pittsburgh Coal: Stratigraphy, petrology, origin and composition, and geologic interpretation of mining problems. |
1952 |
| details |
Late Pennsylvanian |
|
Ohio |
Cross,A.T. The geology of the Pittsburgh Coal: Stratigraphy, petrology, origin and composition, and geologic interpretation of mining problems. |
1952 |
| details |
Namurian |
Westphalian C |
W.Germany(N.Rhine) |
Kremp,G.O.W. Spore associations and microfauna horizons in the Carboniferous of the Ruhr. |
1952 |
| details |
Namurian |
Westphalian |
Turkey |
Dijkstra,S.J. Megaspqres of the Turkish Carboniferous and their stratigraphical value. |
1952 |
| details |
Carboniferous |
|
Germany |
Horst,U. From the stratigraphy to fine-stratigraphy of Middle German Brown and Hard Coals. |
1952 |
| details |
Late Permian |
|
India(Madhya Pradesh) |
Tripathi,B. A note on megaspores from Lower Gondwana Coal of Umaria Coalfield, Dist. Sahdol (Vindhya Pradesh). |
1952 |
| details |
Westphalian |
|
Netherlands |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Namurian |
Westphalian |
Turkey |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Namurian B |
Westphalian D |
Poland |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |