| details |
Westphalian A |
|
Spain |
Bonet,M.C. et al. Carboniferous megaspores from Lacamocha, (Spain). |
1956 |
| details |
Westphalian A |
|
England(Gloucestershire) |
Spinner,E. The occurrence and distribution of megaspores in Drybrook Sandstone and associated Measures of the Forest of Dean Basin, Gloucestershire, England |
1984 |
| details |
Westphalian A |
Westphalian B |
Michigan |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Westphalian A |
Westphalian B |
England |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Westphalian A |
|
Turkey |
Artuz,S. Spore studies of the Alimolla, Sulu and Buyuk Coal Seams in the Zonguldak Basins. |
1959 |
| 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 |
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 |
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 |
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 |
Carboniferous |
|
France |
Sen,J. Notes on the spores of four Carboniferous Lycopods |
1958 |
| details |
Carboniferous |
|
W.Germany(Saarland) |
Sen,J. Notes on the spores of four Carboniferous Lycopods |
1958 |
| details |
Westphalian A |
Westphalian B |
Scotland(Ayr) |
Sen,J. The megaspores of the Ayrshire Coalfield and their stratigraphic value. |
1964 |
| details |
Late Devonian |
|
Arctic Ocean |
Sen,J. On the megaspores described by Nathorst from the Upper Devonian of Bear Island. |
1958 |
| 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 |
Pleistocene |
|
Michigan |
Arnold,C.A. Re-examination of Triletes superbus, Triletes rotatus and Triletes mamillarius of Bartlett. |
1961 |
| details |
Late Pottsville |
Early Allegheny |
Michigan |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |