| original |
Westphalian B |
|
W.Germany(N.Rhine) |
Potonie,R. et al. Spore forms in the Agir and Bismarck Seams of the Ruhr Basin. |
1932 |
| details |
Westphalian B |
|
W.Germany(N.Rhine) |
Loose,F. Spores of the Bismarck Seam, Ruhr area. |
1934 |
| details |
Westphalian B |
|
Germany |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Westphalian B |
|
W.Germany(N.Rhine) |
Knox,E.M. The spores of Lycopodium, Phylloglossum, Selaginella and Isoetes and their value in the study of microfossils of Paleozoic age. |
1950 |
| details |
Late Westphalian B |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The spore dispersae of the Rhur Carboniferous, their morphography and stratigraphy with reviews of species of other areas.Part 2 |
1956 |
| original |
Desmoinesian |
|
Oklahoma |
Davis,P.N. Palynology of the Rowe Coal (Pennsylvanian) of Oklahoma |
1961 |