| details |
Autunian |
|
Spain |
Arche,A. et al. The Permian of the Iberian Chain and on the Borders of the Central system. |
1983 |
| details |
Autunian |
|
Spain |
Virgili,C. et al. The Autunian of Central Spain. (In: Biostratigraphy. P.K.Sutherland and W.L.Manger, editors) |
1984 |
| details |
Middle Westphalian D |
|
Kentucky |
Hower,J.C. et al. Petrology and palynology of the No.5 Block Coal Bed, Northeastern Kentucky |
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 |
| details |
Late Westphalian A |
|
Kentucky |
Hower,J.C. et al. Geochemical and palynological indicators of the paleoecology of River Gem Coal Bed, Whitley County, Kentucky |
1996 |
| details |
Westphalian A |
Westphalian B |
Virginia |
Eble,C.F. Lower and Lower Middle Pennsylvanian coal palynofloras, southwestern Virginia. |
1996 |