| details |
Middle Pennsylvanian |
|
Illinois |
Kosanke,R.M. Pennsylvanian spores of Illinois and their use in correlation. |
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 |
Westphalian C |
|
W.Germany(N.Rhine) |
Kremp,G.O.W. Spore associations and microfauna horizons in the Carboniferous of the Ruhr. |
1952 |
| details |
Westphalian C |
|
Canada(Nova Scotia) |
Somers,G. A preliminary study of the spores from the Phalen Seam in the New Waterford District, Sydney Coal-Field, Nova Scotia. |
1952 |
| details |
Westphalian C |
|
Canada(Nova Scotia) |
Somers,G. A preliminary study of the spores from the Phalen Seam in the New Waterford District, Sydney Coal-Field, Nova Scotia. |
1952 |
| details |
Westphalian C |
|
Canada(Nova Scotia) |
Somers,G. A preliminary study of the spores from the Phalen Seam in the New Waterford District, Sydney Coal-Field, Nova Scotia. |
1952 |
| details |
Westphalian C |
|
Canada(Nova Scotia) |
Somers,G. A preliminary study of the spores from the Phalen Seam in the New Waterford District, Sydney Coal-Field, Nova Scotia. |
1952 |
| details |
Pennsylvanian |
|
Canada(Nova Scotia) |
Wilson,L.R. The plant microfossils of the Joggins section, a progress report. |
1952 |
| details |
Pennsylvanian |
|
Canada(Nova Scotia) |
Wilson,L.R. The plant microfossils of the Joggins section, a progress report. |
1952 |
| details |
Pennsylvanian |
|
Canada(Nova Scotia) |
Wilson,L.R. The plant microfossils of the Joggins section, a progress report. |
1952 |
| details |
Pennsylvanian |
|
Canada(Nova Scotia) |
Wilson,L.R. The plant microfossils of the Joggins section, a progress report. |
1952 |
| details |
Late Cretaceous |
|
Canada(Alberta) |
Radforth,N.W. et al. The classification of recently discovered Cretaceous plant microfossils of potential importance to the stratigrphy of Western Canada. |
1953 |
| details |
Artinskian |
|
South Africa |
Rilett,M.H. Plant microfossils from the coal seams near Dannhauser, Natal. |
1954 |
| details |
Desmoinesian |
|
Oklahoma |
Morgan,J.L. Spores of Mcalester-Stigler Coal. |
1955 |
| details |
Desmoinesian |
|
Oklahoma |
Morgan,J.L. Spores of Mcalester-Stigler Coal. |
1955 |
| details |
Desmoinesian |
|
Oklahoma |
Morgan,J.L. Spores of Mcalester-Stigler Coal. |
1955 |
| details |
Desmoinesian |
|
Oklahoma |
Morgan,J.L. Spores of Mcalester-Stigler Coal. |
1955 |