| original |
Westphalian B |
|
Canada(Nova Scotia) |
Nicholeris,N. A plant microfossil investigation of three Nova Scotian Coal Seams |
1951 |
| 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 |
Early Permian |
|
China(Shansi) |
Ouyang,S. A preliminary report on sporae dispersae from the Lower Shihhotze series of Hoku District northwest Shansi |
1964 |
| original |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of four Allegheny Coals, northern Appalachian Coal Field. |
1967 |
| original |
Late Triassic |
Late Jurassic |
China(Shansi) |
Liu,Z.-S. et al. Triassic and Jurassic sporo-pollen assemblages from some localities of Shaanxi and Gansu, North-West China. |
1981 |
| original |
Late Triassic |
Late Jurassic |
China(Kansu) |
Liu,Z.-S. et al. Triassic and Jurassic sporo-pollen assemblages from some localities of Shaanxi and Gansu, North-West China. |
1981 |