| details |
Westphalian |
Stephanian |
France |
Alpern,B. Succinct descriptions of the principal genera and species of pollen and spores found in the Coals of Central and eastern France. |
1956 |
| details |
Late Westphalian B |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The sporae dispersae of the Ruhr Carboniferous, their morphography and stratigraphy with reviews of species of other areas. Part 1. |
1955 |
| details |
Namurian A |
|
Poland |
Horst,U. The sporae dispersae of the Namurian from Western Upper Silesia and Mahrisch-Ostrau. Stratigraphic comparison of these areas spore diagnosis. |
1955 |
| details |
Westphalian A |
|
Poland |
Horst,U. The sporae dispersae of the Namurian from Western Upper Silesia and Mahrisch-Ostrau. Stratigraphic comparison of these areas spore diagnosis. |
1955 |
| details |
Namurian A |
|
E.Germany |
Horst,U. The sporae dispersae of the Namurian from Western Upper Silesia and Mahrisch-Ostrau. Stratigraphic comparison of these areas spore diagnosis. |
1955 |
| details |
Pennsylvanian |
|
Canada(Nova Scotia) |
Wilson,L.R. The plant microfossils of the Joggins section, a progress report. |
1952 |
| details |
Westphalian B |
|
Canada(Nova Scotia) |
Nicholeris,N. A plant microfossil investigation of three Nova Scotian Coal Seams |
1951 |
| details |
Paleozoic |
|
Nd |
Knox,E.M. The spores of Lycopodium, Phylloglossum, Selaginella and Isoetes and their value in the study of microfossils of Paleozoic age. |
1950 |
| details |
Westphalian B |
|
Germany |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |