| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Namurian B | Westphalian A | Virginia | Eble,C.F. Lower and Lower Middle Pennsylvanian coal palynofloras, southwestern Virginia. | 1996 |
| details | Stephanian | Westphalian D | Kansas | Peppers,R.A. Palynology of the Lost Branch Formation of Kansas: New insight the major floral transition at the Middle - Upper Pennsylvanian boundary. | 1997 |