| original |
Chesterian |
Springerian |
Utah |
Schemel,M.P. Carboniferous plant spores from Daggett County, Utah |
1950 |
| original |
Early Mississippian |
|
Ohio |
Winslow,M.R. Plant spores and other microfossils from Upper Devonian and Lower Mississippian rocks of Ohio |
1962 |
| original |
Desmoinesian |
|
Oklahoma |
Bordeau,K.V. Palynology of the Drywood Coal (Pennsylvanian) of Oklahoma. |
1964 |
| original |
Wolfcampian |
|
Texas |
Tschudy,R.H. et al. Early Permian Vesiculate pollen from Texas, USA. |
1966 |
| original |
Namurian |
|
Chile |
de Jersey,N.J. Carboniferous spores from Southern Queensland. |
1966 |
| original |
Early Carboniferous |
|
Czechoslovakia |
KalibovЎ,M. Miospores of the Turmae Zonales (Bennie and Kidston), R.Potonie, 1956, Monoletes, Ibrahim,1933, and Saccites, Erdtman,1947, in Lower Carboniferous of eastern Bohemia. |
1971 |
| original |
Norian |
|
Canada(Arctic) |
Suneby,L.B. et al. Palynological zonation of the Heiberg Formation (Triassic-Jurassic) eastern Sverdrup Basin, Arctic Canada. |
1988 |