| original |
Virgilian |
|
Kansas |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| 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 |
Late Baigendzhinian |
Early Tatarian |
Antarctica |
Playford,G. Proterozoic and Paleozoic palynology of Antarctica; a review. (In: Its Role in the Reconstruction of Gondwanaland. T.N. Taylor and E.L. Taylor, editors) |
1990 |
| original |
Guadalupian |
|
Oklahoma |
Morgan,B.E. Palynology of a portion of the El Reno Group (Permian) of Southwest Oklahoma. |
1967 |
| original |
Early Permian |
|
Kansas |
Taggart,R.E. et al. Palynology of the conifer macrofossil horizon from the Hamilton Quarry, Kansas. (In: Regional and paleontology of Upper Paleozoic Hamilton Quarry area in Southeastern Kansas. G.Mapes and R.H Mapes, editors) |
1988 |