details |
Westphalian C |
|
Germany(Rhineland) |
Ibrahim,A.C. Spore forms of the Agir horizon of the Ruhr Basin. |
1933 |
details |
Westphalian B |
|
W.Germany(N.Rhine) |
Loose,F. Spores of the Bismarck Seam, Ruhr area. |
1934 |
details |
Nd |
|
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
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 |
|
W.Germany(N.Rhine) |
Bharadwaj,D.C. The spore flora of Velener Schichten (Lower Westphalian D) in the Ruhr Coal Measures. |
1957 |
details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |