| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Early Asbian | England(Durham) | Johnson,G.A.L. et al. Carboniferous biostratigraphy of the Rookhope Borehole, County Durham. | 1996 | |
| details | Namurian B | Namurian C | Virginia | Eble,C.F. Lower and Lower Middle Pennsylvanian coal palynofloras, southwestern Virginia. | 1996 |