| details |
Allegheny |
Monongahela |
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| original |
Allegheny |
Monongahela |
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Kosanke,R.M. Pennsylvanian spores of Illinois and their use in correlation. |
1950 |
| details |
Desmoinesian |
|
Oklahoma |
Hoffmeister,W.S. Fossil spores and pollen as indicators of Near-Shore environment. |
1950 |
| details |
Westphalian B |
|
Canada(Nova Scotia) |
Malloy,R.E. Carboniferous plant spores of the No.40 Brine Seam, Joggins, Nova Scotia. |
1951 |
| 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 |
|
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 |
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 |
Pennsylvanian |
|
Canada(Nova Scotia) |
Wilson,L.R. The plant microfossils of the Joggins section, a progress report. |
1952 |