| details |
Monongahela |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Allegheny |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Late Pottsville |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Allegheny |
Monongahela |
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Late Pottsville |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Allegheny |
|
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Monongahela |
|
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Late Pennsylvanian |
Late Pennsylvanian |
Illinois |
Winslow,M.R. Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois. |
1959 |
| details |
Middle Pennsylvanian |
|
Kentucky |
Dimichele,W.A. et al. Lycopods of Pennsylvanian age Coals |
1979 |
| details |
Middle Pennsylvanian |
|
Indiana |
Dimichele,W.A. et al. Lycopods of Pennsylvanian age Coals |
1979 |
| details |
Middle Pennsylvanian |
|
Illinois |
Gastaldo,R.A. An ultrastructural and taxonomic study of Valvisporites auritus (Zerndt) Bhardwaj, a lycopsid megaspore from the Middle Pennsylvanian of southern Illinois. |
1981 |
| details |
Westphalian A |
|
Spain |
Bonet,M.C. et al. Carboniferous megaspores from Lacamocha, (Spain). |
1956 |
| details |
Late Moscovian |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
| details |
Westphalian A |
Stephanian |
Europe |
Brzozowska,M. et al. Remarks on stratigraphical range of some types of Carboniferous megaspores |
1958 |
| details |
Westphalian C |
Westphalian D |
Czechoslovakia |
KalibovЎ-KaiserovЎ,M. Paleontological and palynological investigation of Coal overlying beds in Masarykove Jubilejnim Coal Mine, (now the Coal Mine of Peace Defenders) Zbuchov (Plzin Coal Basin) |
1958 |
| details |
Westphalian B |
Westphalian C |
Belgium |
Pi©rart,P. Megaspores in some Wesphalien B and C Coal Beds of Limbourg Meuse Coal Mines. |
1955 |
| details |
Late Pennsylvanian |
|
Pennsylvania |
Cross,A.T. The geology of the Pittsburgh Coal: Stratigraphy, petrology, origin and composition, and geologic interpretation of mining problems. |
1952 |