| original |
Artinskian |
|
South Africa |
Rilett,M.H. Plant microfossils from the coal seams near Dannhauser, Natal. |
1954 |
| original |
Sakmarian |
Artinskian |
India(Madhya Pradesh) |
Datta,A.K. Note on the Palaeontology of the sedimentary rocks in the Jhagrakhand area, Madhya Pradesh |
1957 |
| original |
Late Pennsylvanian |
|
Illinois |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
| original |
Late Pennsylvanian |
|
Kentucky |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
| original |
Conemaugh |
Monongahela |
Kentucky |
Peppers,R.A. Spores in strata of Late Pennsylvanian cyclothems in the Illinois Basin. |
1964 |
| original |
Conemaugh |
Monongahela |
Illinois |
Peppers,R.A. Spores in strata of Late Pennsylvanian cyclothems in the Illinois Basin. |
1964 |
| original |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of four Allegheny Coals, northern Appalachian Coal Field. |
1967 |
| original |
Early Cretaceous |
|
China(SW.China) |
Bai,Y. et al. Mesozoic spore-pollen. (In: Palaeontological Atlas of Southwest China, Volume of Microfossils. Edited by Chengdu Institute of Geology and Mineral Resources.) |
1983 |