| original |
Late Pottsville |
|
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| original |
Late Pottsville |
Monongahela |
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Late Pennsylvanian |
|
West Virginia |
Cross,A.T. The geology of the Pittsburgh Coal: Stratigraphy, petrology, origin and composition, and geologic interpretation of mining problems. |
1952 |
| details |
Carboniferous |
|
W.Germany(Saarland) |
Sen,J. Notes on the megaspores from the Goldenberg Col Lection of the Swedish Museum of natural history |
1957 |
| details |
Westphalian |
|
W.Germany(Saarland) |
Zerndt,J. Megaspores of the Saar Carboniferous |
1940 |
| details |
Westphalian C |
|
W.Germany(N.Rhine) |
Kremp,G.O.W. et al. Several microfossils of the Upper Carboniferous and a method of obtaining polished sections of Such Often very Hard Objects |
1952 |
| 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 |
Late Carboniferous |
|
W.Germany(N.Rhine) |
Stach,E. et al. Spores in the Flame, Gasflame and Gascoal of the Ruhr Coal. |
1931 |
| details |
Late Carboniferous |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Moscovian |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
| details |
Late Carboniferous |
|
USSR(Kazakh SSR) |
Oshurkova,M.V. Megaspores from the Upper coal strata of the Karaganda. (In: Problems on the Geology of Coal) |
1962 |
| details |
Middle Carboniferous |
|
USSR(Kazakh SSR) |
Oshurkova,M.V. Megaspores from the Carboniferous sediments of Karaganda |
1961 |
| details |
Namurian |
Westphalian |
Turkey |
Dijkstra,S.J. Megaspqres of the Turkish Carboniferous and their stratigraphical value. |
1952 |
| details |
Namurian |
Westphalian |
Turkey |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Westphalian A |
|
Spain |
Bonet,M.C. et al. Carboniferous megaspores from Lacamocha, (Spain). |
1956 |
| details |
Stephanian |
|
Spain |
Dijkstra,S.J. Spanish Carboniferous megaspores and their use in stratigraphic correlation. |
1955 |
| details |
Westphalian B |
Westphalian C |
Spain |
Dijkstra,S.J. Spanish Carboniferous megaspores and their use in stratigraphic correlation. |
1955 |