| details |
Permian |
Triassic |
Alaska |
Witmer,R.J. et al. Biostratigraphic correlation of selected test wells of National Petroleum Reserve in Alaska |
1981 |
| details |
Middle Devonian |
Late Devonian |
Canada(Arctic) |
Kerr,J.W. Geology of Bathurst Island Group and Byam Martin Island, Arctic Canada. |
1974 |
| details |
Westphalian A |
|
Turkey |
Agrali,B. Palynological studies and age determinations of some Coal intervals in Amasra Carboniferous Basin, Turkey |
1969 |
| details |
Scythian |
|
Canada(Arctic) |
Ford,J.H. Palynology of Triassic and Jurassic Field samples, cores and cuttings from the Sverdrup Basin of Arctic Canada |
1979 |
| details |
Smithian |
|
Canada(Arctic) |
Ford,J.H. Palynology of 75 Mesozoic Field samples from the Sverdrup Basin of Arctic Canada |
1980 |
| details |
Desmoinesian |
|
Oklahoma |
Bordeau,K.V. Palynology of the Drywood Coal (Pennsylvanian) of Oklahoma. |
1964 |
| details |
Early Carboniferous |
|
Denmark |
Bertelsen,F. A Lower Carbiferous microflora from the Orslev No. 1 borehole, Island of Falster, Denmark. |
1972 |