| 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 |
|
England(Somerset) |
Balme,B.E. On some spore specimens from British Upper Carboniferous Coals. |
1952 |
| 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 |
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 |
Westphalian A |
Westphalian B |
W.Germany(N.Rhine) |
Potonie,R. et al. The spore dispersae of the Rhur Carboniferous, their morphography and stratigraphy with reviews of species of other areas.Part 2 |
1956 |
| details |
Stephanian |
|
France(Jura) |
Alpern,B. A trial correlation by palynology of the Stephanian Coal Beds cored by four Drillings in the Lons-le-Saunier (Jura) Region. |
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 C |
Early Westphalian D |
France(Lorraine) |
Alpern,B. Preliminary palynological study of the Carboniferous Basin of Lorraine.Application to the correlation of the Beds. |
1960 |
| details |
Stephanian B |
|
France |
Alpern,B. et al. Stratigraphic distribution of some microspores of the Upper Carboniferous of France. |
1960 |
| details |
Westphalian D |
|
France |
Alpern,B. et al. Stratigraphic distribution of some microspores of the Upper Carboniferous of France. |
1960 |
| details |
Early Autunian |
|
France(Saone-et-Loire) |
Doubinger,J. Sporologic associations (Microspores) of some Stephanian and Autunian deposits |
1960 |
| details |
Westphalian C |
|
W.Germany(Saarland) |
Barth,G. et al. Microspores of the roof-shales of the Blucher Coal Seams, (Dechen Group / Saarland). |
1961 |
| details |
Stephanian |
|
Czechoslovakia |
Bohacova,M. Palynological investigation of the Kounov Seam in the Kladno-Rakovnik Basin |
1961 |
| details |
Pottsville |
|
Ohio |
Chaloner,W.G. A Sporangiostrobus with Densosporites microspores |
1962 |