| details |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Knox,E.M. The spores of Lycopodium, Phylloglossum, Selaginella and Isoetes and their value in the study of microfossils of Paleozoic age. |
1950 |
| details |
Late Carboniferous |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Missourian |
|
Illinois |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| 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 D |
|
Poland |
DybovЎ,S. et al. Microspores of the Upper Silesian Coal Measures. |
1957 |
| details |
Westphalian D |
|
Poland |
DybovЎ,S. et al. Microspore zones in Upper Silesian productive Carboniferous. |
1957 |
| details |
Stephanian B |
Stephanian C |
France(Aveyron) |
Doubinger,J. Presence of Monocolpate pollen in a Coal of the Decazeville Basin (Aveyron) |
1957 |
| details |
Cretaceous |
|
Czechoslovakia |
Havlena,V. Plant spores of the Carboniferous Cannel Coal Pebbles from the Carpathian Cretaceous. |
1957 |
| details |
Carboniferous |
|
Czechoslovakia |
Havlena,V. Plant spores of the Carboniferous Cannel Coal Pebbles from the Carpathian Cretaceous. |
1957 |
| details |
Westphalian D |
|
Poland |
Jachowicz,A. Stratigraphical problems in the Upper Silesian productive Carboniferous in view of microspore investigations |
1958 |
| 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 |
Carboniferous |
Jurassic |
South Africa |
Leschik,G. Spores of the Karoo Sandstone of Norronaub (Southwest Africa). |
1959 |
| details |
Nd |
|
Nd |
Alpern,B. Contribution to the palynological and petrographic study of French Coals. |
1959 |
| details |
Middle Stephanian |
|
France(Lot-et-Garonne) |
Doubinger,J. Palynological study of the Stephanian of Saint-Perdoux (Lot) |
1959 |
| details |
Westphalian D |
|
Poland |
Jachowicz,A. Notes on the microflora of the Upper Libiaz Beds (Upper Silesian Coal Basin) |
1960 |
| details |
Westphalian D |
|
Poland |
DybovЎ,S. et al. Microsporic correlation of the Synclinal Group Deposits in the Upper Silesian Basin, with the Coal Measures Groups of the Illinois, (USA). (In: Contributions to the Geology of the Silesian and Cracovian Regions. Volume 6. |
1960 |
| details |
Westphalian D |
|
United Kingdom |
Butterworth,M.A. et al. Microspore distribution in the coalfields of Britain |
1960 |