| details |
Westphalian C |
|
USSR(Moscow Basin) |
Wicher,C.A. Concerning the abortive appearance of fossil spores and their phylogenetic significance |
1934 |
| original |
Westphalian C |
|
Germany(Rhineland) |
Wicher,C.A. IV. Spore forms in the Flame Coal of the 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 |
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 |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |