| original |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores of the Polish Coal Basin. Part 2. the Marginal Group. |
1937 |
| details |
Permian |
|
Turkey |
Yahsiman,K. et al. Permian megaspores from Hazru (Diyarbakir). |
1959 |
| details |
Westphalian B |
Westphalian C |
Germany |
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 |
Late Carboniferous |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Stephanian |
|
Poland |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Visean |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
| details |
Early Namurian |
|
Poland |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
| details |
Namurian A |
|
Germany |
Horst,U. Phase-contrast photography, a new aid for microscopic coal research. |
1950 |
| details |
Late Morrowan |
|
Oklahoma |
Felix,C.J. et al. An American occurrence of Spencerisporites. |
1959 |
| details |
Late Morrowan |
|
Texas |
Felix,C.J. et al. An American occurrence of Spencerisporites. |
1959 |
| details |
Namurian A |
Namurian B |
Poland |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Dinantian |
|
Poland |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Allegheny |
|
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Allegheny |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |