original |
Chesterian |
Springerian |
Utah |
Schemel,M.P. Carboniferous plant spores from Daggett County, Utah |
1950 |
original |
Early Westphalian D |
|
Germany(Rhineland) |
Bharadwaj,D.C. The spore flora of Velener Schichten (Lower Westphalian D) in the Ruhr Coal Measures. |
1957 |
original |
Desmoinesian |
|
Missouri |
Habib,D. Palynological correlation of the Bevier and Wheeler Coals. |
1960 |
original |
Pennsylvanian |
|
Oklahoma |
Ruffin,J.H. Palynology of the Tebo Coal (Pennsylvanian) of Oklahoma |
1961 |
original |
Middle Pennsylvanian |
|
Oklahoma |
Gibson,L.B. Palynology and paleoecology of the Iron post Coal (Pennsylvanian), of Oklahoma |
1961 |
original |
Stephanian |
|
Czechoslovakia |
KalibovЎ,M. A study of spores in the Kounov Seam of the Frantisek Pit in Lhota Pod Dzbanem in the Kladno-Rakovnik Basin. |
1962 |
original |
Late Devonian |
|
Missouri |
Gupta,S. Palynology of Grassy Creek and Saverton Shales of Missouri. |
1965 |
original |
Early Mississippian |
|
Ohio |
Owens,B. Recognition of the Devonian-Carboniferous boundary by palynological methods. |
1966 |
original |
Stephanian B |
Stephanian C |
USA |
Clendening,J.A. Sporological evidence on the geological age of the Dunkard strata in the Appalachian Basin. |
1970 |
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 |
Virgilian |
Gearyan |
Kansas |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |