| original |
Desmoinesian |
|
Missouri |
Jones,D.H. Palynology of the Bevier Coal of Missouri. |
1957 |
| original |
Westphalian B |
|
Canada(Nova Scotia) |
Malloy,R.E. Carboniferous plant spores of the No.40 Brine Seam, Joggins, Nova Scotia. |
1951 |
| original |
Tertiary |
|
India(Assam) |
Sen,J. Microfossils of Assam Coal-Fields-I. The Coal Seam at Laitryngew and the age of the Cherra Sandstone. |
1948 |
| original |
Middle Coal Measure |
|
England(Staffordshire) |
Millott,J.O. The microspores in the Coal-Seams of North Staffordshire.Part 1. The Millstone Grit-Ten Foot Coals. |
1939 |
| original |
Nd |
|
England(Durham) |
Raistrick,A. The correlation of Coal-Seams by microspore Content.Part 2. The Trencherbone Seam, Lancashire, and the Busty Seams, Durham |
1939 |
| original |
Nd |
|
England(Lancashire) |
Raistrick,A. The correlation of Coal-Seams by microspore Content.Part 2. The Trencherbone Seam, Lancashire, and the Busty Seams, Durham |
1939 |
| original |
Nd |
|
England(Northumberland) |
Raistrick,A. et al. The microspores of some Northumberland Coals, and their use in the correlation of coal-seams. |
1933 |
| original |
Nd |
|
England(Durham) |
Raistrick,A. et al. The microspores of some Northumberland Coals, and their use in the correlation of coal-seams. |
1933 |
| original |
Late Devonian |
|
Scotland(Orkney) |
Lang,W.H. Contributions to the study of the Old Red Sand Stone flora of Scotland. 1.On plant remains from the Fish Beds of Cromarty. 2.On a Sporangium-Bearing Branch system from the Stromnss Beds |
1925 |