| details |
Late Westphalian B |
Early Westphalian C |
England |
Balme,B.E. et al. The stratigraphical significance of certain fossil spores in the central group of British coalfields. |
1952 |
| original |
Late Westphalian B |
Westphalian C |
England(Somerset) |
Balme,B.E. On some spore specimens from British Upper Carboniferous Coals. |
1952 |
| details |
Early Westphalian C |
|
W.Germany(Niedersachsen) |
Kremp,G.O.W. The More detailed age of some Carboniferous Coal Rubble of the Niedersachsischen Basin based on its microflora. |
1953 |
| details |
Late Carboniferous |
|
England(Staffordshire) |
Butterworth,M.A. et al. Microspore distribution in the Seams of the North Staffofdshire, Cannock Chase and North Wales Coalfields |
1954 |
| details |
Late Carboniferous |
|
Wales |
Butterworth,M.A. et al. Microspore distribution in the Seams of the North Staffofdshire, Cannock Chase and North Wales Coalfields |
1954 |
| details |
Early Westphalian D |
|
W.Germany(N.Rhine) |
Bharadwaj,D.C. et al. The spore content of the Beds of Velen, Ruhr Carboniferous. |
1955 |
| details |
Westphalian D |
|
Germany(Rhineland) |
Bharadwaj,D.C. et al. The spore content of the Velener Layers of the Ruhr Coal Measures. |
1955 |
| details |
Westphalian |
Stephanian |
France |
Alpern,B. Succinct descriptions of the principal genera and species of pollen and spores found in the Coals of Central and eastern France. |
1956 |
| details |
Early Westphalian D |
|
Germany(Rhineland) |
Bharadwaj,D.C. The spore flora of Velener Schichten (Lower Westphalian D) in the Ruhr Coal Measures. |
1957 |
| details |
Pottsville |
|
Indiana |
Guennel,G.K. Miospore analysis of the Pottsville Coals of Indiana. |
1958 |
| details |
Late Westphalian C |
|
Belgium |
Pi©rart,P. Palynology and stratigraphy of the Neeroeteren Zone, (Upper Westphalian C), in the Belgian Kempen. |
1958 |
| details |
Nd |
|
France |
Alpern,B. Contribution to the palynological and petrographic study of French Coals. |
1959 |
| details |
Westphalian B |
|
United Kingdom |
Butterworth,M.A. et al. Microspore distribution in the coalfields of Britain |
1960 |
| details |
Westphalian D |
|
France |
Alpern,B. et al. Stratigraphic distribution of some microspores of the Upper Carboniferous of France. |
1960 |
| details |
Stephanian |
|
Czechoslovakia |
Bohacova,M. Palynological investigation of the Kounov Seam in the Kladno-Rakovnik Basin |
1961 |
| details |
Late Pennsylvanian |
|
Illinois |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
| details |
Late Pennsylvanian |
|
Kentucky |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |