| details |
Westphalian A |
|
Spain |
Bonet,M.C. et al. Carboniferous megaspores from Lacamocha, (Spain). |
1956 |
| 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 |
Late Pottsville |
|
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Late Pottsville |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Nd |
|
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Allegheny |
|
USA(Appalachian Bn.) |
Abbott,M.L. Lycopod fructifications from the Upper Freeport (No.7) Coal in southeastern Ohio. |
1963 |
| details |
Nd |
|
Nd |
Loboziak,S. The micro and megaspores of the western part of the Bassin Houiller of northern France, stratigraphic applicationsin the study of several boreholes. |
1969 |
| details |
Namurian B |
|
Netherlands |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Westphalian D |
|
Turkey |
Dijkstra,S.J. Megaspqres of the Turkish Carboniferous and their stratigraphical value. |
1952 |
| details |
Stephanian |
|
Spain |
Dijkstra,S.J. Spanish Carboniferous megaspores and their use in stratigraphic correlation. |
1955 |
| details |
Westphalian D |
|
Spain |
Dijkstra,S.J. Spanish Carboniferous megaspores and their use in stratigraphic correlation. |
1955 |
| original |
Stephanian |
|
Poland |
Zerndt,J. Megaspores of a Seam at Libiaz (Stephanian). |
1930 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores of the Zwickau and Lugau-Oelsnitz Carboniferous. |
1932 |
| details |
Late Carboniferous |
|
W.Germany(N.Rhine) |
Stach,E. et al. Spores in the Flame, Gasflame and Gascoal of the Ruhr Coal. |
1931 |
| details |
Early Pennsylvanian |
|
Indiana |
Wood,J.M. The morphology and relationships of Sigillarian fructifications from the Lower Pennsylvanian of Indiana. |
1957 |
| details |
Middle Carboniferous |
|
USSR(Kazakh SSR) |
Oshurkova,M.V. Megaspores from the Carboniferous sediments of Karaganda |
1961 |