| details |
Westphalian A |
|
Turkey |
Artuz,S. Amasra-Tarlaagzi Coal Region Kalin and Ara Layers, (Westphalian C), microspore investigation and correlation tests. |
1963 |
| details |
Westphalian A |
Westphalian B |
Europe |
Butterworth,M.A. Upper Carboniferous. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) |
1984 |
| details |
Namurian |
Westphalian |
Turkey |
Akgмn,F. Palynology and paleoecology of the Amsra-Bartin Basin. |
1991 |
| details |
Middle Westphalian D |
|
Kentucky |
Hower,J.C. et al. Petrology and palynology of the No.5 Block Coal Bed, Northeastern Kentucky |
1994 |
| details |
Early Morrowan |
|
Virginia |
Pierce,B.S. et al. Comparison of the petrography, palynology and paleobotany of the Little Fire Creek Coal Bed, Southwestern Virginia, USA. |
1994 |
| details |
Late Westphalian A |
|
Kentucky |
Eble,C.F. et al. Palynologic, petrographic and geochemical characteristics of the Manchester Coal Bed in eastern Kentucky. |
1995 |