| details |
Stephanian A |
Stephanian B |
Illinois |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |
| details |
Westphalian B |
Westphalian D |
Illinois |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |
| details |
Nd |
|
Nd |
Felix,C.J. Some Neglected aspects of plant microfossil research. |
1960 |
| details |
Pottsville |
|
Mississippi |
Cropp,F.W. Pennsylvanian spore floras from the Warrior Basin, Mississippi and Alabama |
1960 |
| details |
Pottsville |
|
Alabama |
Cropp,F.W. Pennsylvanian spore floras from the Warrior Basin, Mississippi and Alabama |
1960 |
| details |
Late Devonian |
|
Europe |
Knox,E.M. Some aspects of microspore morphology. |
1959 |
| details |
Late Devonian |
|
Canada |
Knox,E.M. Some aspects of microspore morphology. |
1959 |
| details |
Pennsylvanian |
Early Permian |
USA(Appalachian Bn.) |
Cross,A.T. Plant microfossils of Latest Paleozoic age in the northern Appalachian Basin . |
1959 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Middle Desmoinesian |
|
Oklahoma |
Wilson,L.R. et al. Plant microfossils in the Cabaniss Coals of Oklahoma and Kansas |
1958 |
| details |
Middle Desmoinesian |
|
Kansas |
Wilson,L.R. et al. Plant microfossils in the Cabaniss Coals of Oklahoma and Kansas |
1958 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Stephanian B |
Stephanian C |
W.Germany(Saarland) |
Bharadwaj,D.C. The spore genera from the Upper Carboniferous Cos of the Saar and their value in stratigraphical studies. |
1956 |
| details |
Desmoinesian |
|
Oklahoma |
Morgan,J.L. Spores of Mcalester-Stigler Coal. |
1955 |
| details |
Westphalian D |
|
Netherlands |
Kuyl,O.S. et al. The application of palynology to oil geology with special reference to Western Venezuela. |
1955 |
| details |
Late Devonian |
Early Permian |
North America |
Hoffmeister,W.S. et al. Geologic range of Paleozoic plant spores in North America |
1955 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |