| original |
Westphalian B |
|
W.Germany(N.Rhine) |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Atokan |
Desmoinesian |
Illinois |
Kosanke,R.M. Plant microfossils in correlation of Coal Beds. |
1947 |
| details |
Desmoinesian |
Virgilian |
Illinois |
Kosanke,R.M. Plant microfossils in correlation of Coal Beds. |
1947 |
| details |
Stephanian |
|
Pennsylvania |
Cross,A.T. et al. Representative microfossil floras of some Appalachian Coals |
1952 |
| details |
Desmoinesian |
|
Indiana |
Guennel,G.K. Fossil spores of the Alleghenian Coals in Indiana |
1952 |
| details |
Recent |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Late Carboniferous |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Springerian |
Missourian |
North America |
Hoffmeister,W.S. et al. Additions and corrections to "Geologic range of Paleozoic plant spores in North America". |
1955 |
| details |
Springerian |
Late Missourian |
North America |
Hoffmeister,W.S. et al. Geologic range of Paleozoic plant spores in North America |
1955 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| 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 |
Late Pottsville |
|
Indiana |
Neavel,R.C. et al. Indiana Paper Coal |
1960 |
| details |
Stephanian A |
Stephanian B |
W.Germany(Saarland) |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |
| 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 |
Pottsville |
|
Mississippi |
Cropp,F.W. Pennsylvanian spore floras from the Warrior Basin, Mississippi and Alabama |
1960 |