| details |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of the Middle Kittanning Coal in Ohio |
1966 |
| details |
Allegheny |
|
Pennsylvania |
Gray,L.R. Palynology of the Middle Kittanning Coal in Ohio |
1966 |
| details |
Westphalian |
|
W.Germany(N.Rhine) |
Mittapalli,R. Comparative sporological and petrographic examinations of the Zollverein Beds 1-5 of the Brassert, Auguste Victoria and Schlagel and Eisenmines |
1966 |
| details |
Westphalian A |
|
Poland |
Jachowicz,A. Palynological investigations of the Upper Carboni Ferous in the Polish Part of the Upper Silesia Coal Basin |
1967 |
| details |
Middle Pennsylvanian |
|
Kentucky |
Gray,L.R. et al. Palynology of the Schultztown Coal in Western Kentucky. |
1967 |
| details |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of four Allegheny Coals, northern Appalachian Coal Field. |
1967 |
| details |
Middle Aptian |
Late Aptian |
Austria |
Corna,O. Palynological study and nannofossils. (In: Study of the Lower Cretaceous of the Vienna Woods. Grun et al) |
1972 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |