| details |
Namurian |
|
Turkey |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Westphalian A |
Westphalian B |
Turkey |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Namurian |
Bashkirian |
USSR(Ukrainian SSR) |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
| details |
Namurian |
Westphalian C |
W.Germany(N.Rhine) |
Kremp,G.O.W. Spore associations and microfauna horizons in the Carboniferous of the Ruhr. |
1952 |
| details |
Westphalian C |
|
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 |
Westphalian |
|
W.Germany(Saarland) |
Zerndt,J. Megaspores of the Saar Carboniferous |
1940 |
| details |
Late Pottsville |
|
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |