| details |
Desmoinesian |
|
Iowa |
Hoskins,J.H. et al. Studies in the Trigonocarpales.Part 2. Pachytesta vera, a new species from the Desmoinesian Series of Iowa. |
1946 |
| details |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Kosanke,R.M. Pennsylvanian spores of Illinois and their use in correlation. |
1950 |
| details |
Morrowan |
|
Oklahoma |
Hoffmeister,W.S. Fossil spores and pollen as indicators of Near-Shore environment. |
1950 |
| details |
Morrowan |
|
Oklahoma |
Hoffmeister,W.S. Fossil spores and pollen as indicators of Near-Shore environment. |
1950 |
| details |
Atokan |
|
Oklahoma |
Hoffmeister,W.S. Fossil spores and pollen as indicators of Near-Shore environment. |
1950 |
| details |
Desmoinesian |
|
Oklahoma |
Hoffmeister,W.S. Fossil spores and pollen as indicators of Near-Shore environment. |
1950 |
| details |
Early Pennsylvanian |
|
Oklahoma |
Hoffmeister,W.S. Fossil spores and pollen as indicators of Near-Shore environment. |
1950 |
| details |
Early Pennsylvanian |
|
Oklahoma |
Hoffmeister,W.S. Fossil spores and pollen as indicators of Near-Shore environment. |
1950 |
| details |
Pennsylvanian |
|
Canada(Nova Scotia) |
Somers,G. A preliminary study of the fossil spore content of the Lower Jubilee Seam of the Sydney Coalfield, Nova Scotia. |
1952 |
| details |
Pennsylvanian |
|
Canada(Nova Scotia) |
Wilson,L.R. The plant microfossils of the Joggins section, a progress report. |
1952 |
| original |
Kazanian |
|
USSR(Urals) |
Samoilovich,S.R. Pollen and spores of Permian deposits of Cherdyn and Aktyubinsk in the Lower Urals. (In: Palaeobotanical Symposium) |
1953 |
| 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 |
Middle Westphalian B |
|
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 |
Zechstein |
|
Austria |
Klaus,W. On the spore diagnosis of the German Zechstein Salt and the Alpine Saltdomes. |
1953 |
| details |
Westphalian D |
|
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 |
Early Westphalian D |
|
W.Germany(N.Rhine) |
Bharadwaj,D.C. et al. The spore content of the Beds of Velen, Ruhr Carboniferous. |
1955 |
| details |
Desmoinesian |
|
Oklahoma |
Morgan,J.L. Spores of Mcalester-Stigler Coal. |
1955 |