| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Desmoinesian |
|
Iowa |
Wilson,L.R. Florinites pelucidus and Endosporites ornatus, with observations on their morphology. |
1960 |
| details |
Nd |
|
Nd |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Stephanian B |
|
France(Tarn) |
Doubinger,J. A comparative palynological study of Coal Measures and sterile layers in some Stephanian Basins. |
1967 |
| details |
Late Westphalian B |
Early Westphalian D |
West Virginia |
Eble,C.F. et al. Palynologic and petrographic characteristics of two Middle Pennsylvanian Coal Beds and a probable modern Analogue. (In: Modern and Ancient Coal Forming Environments. J.C.Cobb and C.B.Cecil, editors) |
1993 |