| details |
Nd |
|
Nd |
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 |
|
Germany |
Potonie,R. The biology of Carboniferous spores |
1955 |
| details |
Late Carboniferous |
|
W.Germany |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Carboniferous |
|
Nd |
Potonie,R. On the paleobiology of the Carboniferous plant world. Ecological evidence of the Coal flora on the Coal Biogeny. |
1953 |
| details |
Westphalian A |
Westphalian C |
Netherlands |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Nd |
|
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Westphalian C |
|
Germany(Rhineland) |
Ibrahim,A.C. Spore forms of the Agir horizon of the Ruhr Basin. |
1933 |