| original |
Middle Pennsylvanian |
|
Illinois |
Kosanke,R.M. Pennsylvanian spores of Illinois and their use in correlation. |
1950 |
| details |
Nd |
|
Nd |
DybovЎ,S. et al. Microspores of the Upper Silesian Coal Measures. |
1957 |
| details |
Pottsville |
|
Indiana |
Guennel,G.K. Miospore analysis of the Pottsville Coals of Indiana. |
1958 |
| details |
Carboniferous |
Jurassic |
South Africa |
Leschik,G. Spores of the Karoo Sandstone of Norronaub (Southwest Africa). |
1959 |
| details |
Westphalian B |
|
Illinois |
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 |
Namurian B |
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 |
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 |
| details |
Allegheny |
|
Pennsylvania |
Frederiksen,N.O. Sporomorphs of the Brookville Seam near Brookville, Pennsylvania. |
1961 |
| details |
Late Westphalian A |
Westphalian C |
Wales(Glamorgan) |
Sullivan,H.J. Distribution of miospores through coals and shales of the Coal Measures sequence exposed in Wernddu Claypit Caerphilly, (South Wales). |
1962 |
| details |
Middle Pennsylvanian |
|
Illinois |
Alpern,B. et al. Provisional report of CIMP Group No.2 on Densosporites, (Berry), emended |
1962 |
| details |
Nd |
|
Nd |
Butterworth,M.A. et al. Densosporites Berry 1937 and related genera. |
1963 |
| details |
Pennsylvanian |
|
Illinois |
Kosanke,R.M. Applied Paleozoic palynology. (In: Palynology in Oil Exploration, Aureal T. Cross, editor) |
1964 |
| details |
Westphalian A |
|
England(Lancashire) |
Butterworth,M.A. Densosporites (Berry) Potonie and Kremp, and related genera. Report of CIMP Working Group No.2 |
1964 |
| details |
Pennsylvanian |
|
Illinois |
Butterworth,M.A. The distribution of Densospores. |
1966 |
| details |
Pennsylvanian |
|
Indiana |
Butterworth,M.A. The distribution of Densospores. |
1966 |
| details |
Missourian |
|
Oklahoma |
Upshaw,C.F. et al. Microspores from the upper part of the Coffeyville Formation (Pennsylvanian, Missourian), Tulsa County, Oklahoma. |
1967 |