| original |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Kosanke,R.M. Pennsylvanian spores of Illinois and their use in correlation. |
1950 |
| 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 |
Westphalian B |
|
W.Germany(N.Rhine) |
Teichmuller,R. The Velen strata of the Munster Carboniferous and the end of tectonic movement in the Subvariscischen For-Deep |
1954 |
| details |
Desmoinesian |
|
Oklahoma |
Morgan,J.L. Spores of Mcalester-Stigler Coal. |
1955 |
| details |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Hoffmeister,W.S. et al. Mississippian plant spores from the Hardinsburg Formation of Illinois and Kentucky. |
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 |
Middle Westphalian B |
Late 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 |
Namurian A |
Early Westphalian B |
Czechoslovakia |
DybovЎ,S. et al. Microspore-Zones of the Carboniferous of the Ostrava-Karvina Region |
1957 |
| details |
Westphalian A |
Westphalian B |
Czechoslovakia |
Jachowicz,A. Boundary between Ruda and Orzesze Beds in "Silesia" Coal Mine in view of microspore investigations, (Upper Silesia). (In: Contributions to the Geology of the Silesian and Cracovian Regions.) |
1957 |
| details |
Namurian A |
Westphalian D |
Poland |
DybovЎ,S. et al. Microspores of the Upper Silesian Coal Measures. |
1957 |
| details |
Namurian A |
Westphalian D |
Poland |
DybovЎ,S. et al. Microspore zones in Upper Silesian productive Carboniferous. |
1957 |
| details |
Westphalian D |
|
Germany(Leipzig) |
DybovЎ,S. et al. The age of the Boghead Coal from Zwickau-Lugau based on palynologic analysis. |
1957 |
| details |
Carboniferous |
|
England(Yorkshire) |
Smith,A.H.V. The sequence of microspore assemblages associated with the occurrence of Crassidurite in Coal Seams of Yorkshire. |
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 |
Stephanian |
W.Germany(Saarland) |
Bharadwaj,D.C. The palynological investigations of the Saar Coals. Part 1-Morphography of sporae dispersae. |
1957 |
| details |
Westphalian |
Stephanian |
France(Moselle) |
Bharadwaj,D.C. The palynological investigations of the Saar Coals. Part 1-Morphography of sporae dispersae. |
1957 |